Two-way cement mixing pile machine

11-11-2009 дата публикации
Номер:
CN0101575851A
Принадлежит: Hebei University of Technology
Контакты:
Номер заявки: 06-10-20099171
Дата заявки: 08-06-2009

[1]

Technical Field

[2]

The present invention relates to the mechanical field of civil engineering equipment, in particular to a two-way cement soil mixing pile machine.

[3]

Background Art

[4]

The current used in the field of civil engineering two-way cement soil mixing pile machine, including a control box, and the power box connection of drill pipe and is connected with the drill rod and drill bit rotation of the three parts, the power box is placed in the drill rod on the frame at the upper end of the pile, bidirectional rotary operating the outer drilling rods. The outer drilling rods is dependent on rotation of the two motors and two sets of the transmission system are respectively to drive, that is to say a motor and the transmission system is responsible for driving the inner drill pipe is rotated in one direction, another motor and a transmission system is responsible for the drill to rotate the other direction. For example, Chinese Patent "two-way cement soil mixing pile machine (200410065861.4)" discloses that is typical of this kind of apparatus. Obviously, the device uses two motor and two sets of driving system for driving the outer drilling rods respectively rotating operation, the structure is complicated, large volume, multi-power consumption, the waste of energy, is not convenient to install, debug; meanwhile, the equipment requires the use of a motor lubricating, be installed lubricating oil pump, causing the manufacturing cost and the operating cost is high.

[5]

Content of the invention

[6]

To the deficiency of the prior art, the aim of the invention is to solve the technical problem that: provides a two-way cement soil mixing pile machine. The pile only a single driving motor and transmission system (inner) drilling rod rotating operation, the two-way rotating relative to the inner and the outer drilling rods, to achieve bi-directional cement soil mixing of the pile, has the advantages of simple structure, low energy consumption, low cost, low operating cost, convenient to use, is suitable for industrial application, and the like.

[7]

The invention for solving the technical problems the technical scheme is:to design a two-way cement soil mixing pile machine, includes installing in the pile of the upper part of the frame box, inside and outside of the power box is connected with the drill rod and the two-way rotary drill bit of the drill rods are connected to the three parts, which is characterized in that the power box and only include a motor and a transmission system, said transmission system includes a speed reducer, coupling, and mud joint; box body minute the upper layer and the lower layer, the upper layer of the speed reducer is mounted in the box body, the input end of the speed reducer is vertically installed with the motor; the mud joint are mounted on the box body, the output shaft of the mud joint and the lower end of the drill rod is connected with the upper end surface of; the speed reducer and the output of the mud joint between the upper end of the mounting coupling;

[8]

The inner drill rod concentrically sleeved within the outer drill rod, the upper end face of the outer drilling rod and fixed at the bottom of said box body, can not rotate, the lower end face of the outer drilling rod with the two-way rotary drill bit is fixedly connected with the housing cover; the lower end of the drill rod and is connected with the upper end surface of the drill bit;

[9]

The structure of the two-way rotary drill bit is as follows: the upper end of the gland is of the casing and is connected with the lower end of the drill rod, the gland fixed to the shell at the lower end of the shell, the shell is provided with a bearing on the inner side of the gland, the gland housing is connected with the casing at the outer side of the ;, is fixed on the upper part of the drill bit with the bevel gear, a bevel gear on the gear body and the shell of the upper bearing is mounted between, and engaged with the intermediate wheel awl tooth face ; intermediate wheel mounted on the horizontal shaft, the two ends of the horizontal axis is fixed in the middle part of the casing, is provided with a diameter larger than the middle of the through hole of the drill bit, the inner drill bit from the through hole vertically passing through the; awl tooth facestates the idle wheel of the part and, at the same time the lower bevel gear meshed with the lower part of the drill bit, and the lower bevel gear between the gear body and the shell is provided with the lower bearing, the upper bevel gear, to the intermediate wheel with three bevel gear and a bevel gear transmission of ordinary gear train; the lower bevel gear on the lower end surface of the upper end face of the connector is connected, the inner drill bit inside the connecting body is arranged between the inner bearing, connecting with the outside of the outer bearing is mounted between the shell; the lower end face of the connecting body and is connected with the upper end surface of the drill bit, the lower end of the outer of the drill bit out of the case through the sealing cover, the sealing cover is installed in the lower end face of the shell; the outer shell part are evenly distributed radially on the drill bit is welded with a 2 or 2 or more short blade; the length of the inner drill bit with the outer is longer than the length of the drill bit, and the drill bit is longer than in the lower end of the part of the welding is uniformly distributed radially on a 2 or 2 a long blade of the above; the short blade and the long vertical flush with the outer end of the blade.

[10]

With the prior art two-way cement mixing pile of the double-motor (power) driving system, the invention supplies a two-way cement soil mixing pile machine adopting the single-motor (power) single-rod rotary drive system, the structure is greatly simplified, in particular, the present invention has changed the traditional driller, rotate at the same time the old mode of the drill, the drill rod only play a role of supporting the non-rotating, single-rod rotation of the drill pipe within, and through the bevel gear train transmission shunt the technical line, the inner, outer drill bit rotating in opposite directions, is a two-way cement mixing pile a new breakthrough in concept and mode, the structure is also one of the innovation. The design of the structure of the present invention adopts the single-motor single-rod rotary drive system, the energy consumption is greatly reduced, the structure is greatly simplified, at the same time, because the outer drill rod only play a supporting role is not rotated, thus reducing the friction of the drilling mud with the borehole wall, further reducing the power demand, the energy is greatly saved.

[11]

Description of drawings

[12]

Figure 1 is a structure diagram of the invention two-way cement soil mixing pile machine a two-way embodiment of the rotary drill bit;

[13]

Figure 2 is a control box a structure diagram of the invention two-way cement soil mixing pile machine one embodiment;

[14]

Figure 3 is a schematic diagram of the invention two-way cement soil mixing pile machine one embodiment;

[15]

Figure 4 is a horizontal axis between the inner drill bit structure with a schematic diagram of the invention two-way cement soil mixing pile machine one embodiment.

[16]

Specific embodiment:

[17]

The embodiment of the combination and further description of this invention.

[18]

Design of this invention is two-way cement soil mixing pile machine (hereinafter referred to as the pile driver, see Figure 1-3), including the wire rope hanging in the frame 3 of the upper part of the power box 2, and the power box 2 is connected to the inner drill pipe 101 and the outer drill rod 102 and the drill pipe 101 and the outer drill rod 102 is connected with the rotation of the drill bit 1 of three parts, which is characterized in that the power box 2 only includes a motor 205 and a set of transmission system, said transmission system includes a speed reducer 204, coupling 202, slurry joint 201 and housing 203 ; box 203 is divided into upper and lower two layers of, speed reducer 204 mounted on the box body 203 of the upper, speed reducer 204 vertical mounting the input end of the motor 205 ; mud joint 201 is installed in the box body 203 of the lower, mud joint 201 with the output shaft of the lower end of the drill pipe 101 is connected with the upper end surface of; the speed reducer 204 and the output of the mud joint 201 is installed between the upper end of the coupling 202;

[19]

The inner drill pipe 101 concentrically sleeved the outer drill rod 102 within, outer drill rod 102 with the upper end face of the box body 203 is fixed of the bottom plate, can not rotate, the outer drill rod 102 and the lower end face of the two-way rotary drill bit 1 of the housing gland 104 is fixedly connected, can not rotate; the inner drilling rod 101 with the mud the upper end face of the joint 201 is connected with the output shaft of the lower end of, the inner drill pipe 101 with the lower end face of the inner drill bit 103 is connected with the upper end surface of;

[20]

The two-way rotary drill bit 1 is structured as follows: the housing gland 104 and the upper end of the drill rod 102 is connected with the lower end of the, shell gland 104 with the lower end of the housing 105 is fixed, when the work, the outer drill pipe 102 only move upward and downward, and can not rotate to rotate; a gland housing 104 is provided with a bearing on the inner side of the 106, housing gland 104 and the outside of shell 105 is connected with the; drill bit, 103 is fixed on the upper part of an upper bevel gear 107, the upper bevel gear 107 and the gear body 105 is installed between the upper bearing 106, awl tooth face part and the intermediate wheel meshing; with the intermediate horizontal shaft 108 the upper, horizontal axis 108 is fixed on the shell the two ends of the 105 the middle part, is provided with a diameter larger than the middle of the inner drill bit 103 through hole, the inner drill bit 103 from the through hole to pass vertically through (see Figure 4); at the same time the part awl tooth facestates the idle wheel of the drill bit with the sleeve 103 at the lower part of bevel gear 111 engaged, and the lower bevel gear 111 and the gear body 105 is installed between the lower bearing 112 ; because the outer drill rod 102 and the housing 105 is fixed, when in work does not rotate, therefore the upper bevel gear 107, the intermediate wheel and the lower bevel gear 111 form three bevel gear transmission of ordinary gear train; the lower bevel gear 111 is connected with the lower end face of the connector 114 is connected with the upper end surface of the, connector 114 with the inner side of the inner drill bit 103 inner bearing is installed between the 115, connector 114 and the shell outside of the 105 outer bearing is mounted between 113, can ensure the connector 114 and the inner drill bit 103 smoothly relative rotational movement between the; connector 114 and the lower end face of the outer drill bit 118 is connected with the upper end surface of, the outer drill bit 118 passes through the lower end of the sealing cover 116 is extended out of the casing 105, the sealing cover 116 seal is mounted in the housing 105 of the lower end face, the sealing cover 116 also does not rotate; the shell 105 partial outside drill bit 118 are welded are radially and evenly distributed on 2 or 2 or more short blade 119 ; the inner drill bit 103 is longer than the length of the concentric sleeved outside drill bit 118 length, and the lower end part of the longer than the inner drill bit 103 are welded are radially and evenly distributed on 2 or 2 of a long blade more than 121 ; the short blade 119 with the long blade 121 is perpendicular to the external port of the (see Figure 1).

[21]

The invention is furthermore characterized in that, the inner drill bit 103 is longer than the length of the concentric sleeved outside drill bit 118 length of 0.3-0.8 meters. The invention the short blade 197 and the long blade 121 design number more than 3 time, can be welded on the accumulator, are evenly distributed on the drill bit 118 and the inner drill bit 103 different axial cross-section, for example, 4 or 6 when the knife blade, arrangements in 2 or 2 to the cross section of the rectangular, each layer is cloth welding 2 or 3 (see Figure 1) of the blade; and, for example, 6 or 9 when the knife blade, in the 3 or 3 to the cross section of the rectangular, each layer is cloth welding 2 or 3 blades.

[22]

The invention the gear are all bevel gear, a bevel gear tooth can be straight, helical or other not mentioned tooth.

[23]

In order to make the idle wheel stable transmission, avoiding the bit 103 with respect to a horizontal axis 108 (in particular starting) in the interference that may occur, further features of the invention is, in the inner drill bit 103 of the two sides of the horizontal shaft 108 is symmetrically provided with two intermediate wheel, in other words left idle wheel 110 and right idle wheel 109, and left idle wheel 110 and right idle wheel 109 with or is respectively connected with the upper bevel gear 107 and a lower bevel gear 111 are engaged. Because the outer drill rod 102 and the housing 105 is fixed, when in work does not rotate, therefore the upper bevel gear 107, right idle wheel 109, left idle wheel 110 and the lower bevel gear 111 four bevel gear will form stable of ordinary gear train of the transmission.

[24]

In order to improve the sealing effect, the invention relates to a sealing cover 116 is provided with two or two layers of sealing ring 117. In order to prevent slurry from entering the said transmission system, the increase, the friction force between the outer drill bit, further features of the invention that the outer drill bit 118 with the lower end of the inner drill bit 103 provided with a sealing element between the 120.

[25]

Pile of this invention and process is the working principle of the: motor 205 in the power through the speed reducer 204, coupling 202 and mud joint 201, is transmitted to the inner drill pipe 101, the inner drill pipe 101 drives the inner drill bit 103 to rotate, realizing the inner drill bit one direction of rotating drill stirring work. Due to the inner drill bit 103 and the upper bevel gear 107 is fixedly connected to, the inner drill bit 103 can drive the upper bevel gear 107 to rotate in the same direction, with the upper bevel gear 107 is meshed with the one of the intermediate wheel, or at the same time through the right intermediate wheel 109 and left idle wheel 110 of the two intermediate wheel, the power transferred to the lower bevel gear 111, and the lower bevel gear 111 with the direction of rotation of bevel gear 107 on the contrary; and then the lower bevel gear 111 will this reverse motion power through the connector 114 is transmitted to the outer drill bit 118, the outer drill bit 118 with the completion of the inner drill bit 103 to another direction opposite to the rotating drill stirring work.

[26]

Pile of this invention used for soil cement bi-directional pile construction, because only the one motor and a set of transmission system can realize outside drill bit 118 and the inner drill bit 103 of the two-way rotating drill stirring work, provide what might be called the two-way cement mixing pile utilizing single power. At the same time, the gear box of the pile of this invention or the driving system below the design of the drill rod, the drill pipe is of work 102 and the housing 105 is not rotating, only the inner drilling rod 101 rotary motion, which can also be referred to as single-rod rotary bi-directional cement soil mixing pile machine.

[27]

Pile of this invention that the gear box (transmission system) of the internal and external drill bit with traditional made into a whole, known as the two-way rotary drill bit, mounted on the inside and outside the lower end of the drill rod, use of bevel gear transmission structure characteristics and the kinematic principle, realize the transmission of power and routes, the driving force of the single motor through the speed reducer is directly transmitted to the inner drill pipe, the drill pipe rotation outside the drill rod in the supporting structure, the inner, the outer drill bit bidirectional rotary working, forming the technical innovation of the invention, opens up a "two-way cement soil mixing pile machine" the form of the new transmission structure. Obviously, the invention is simple in structure, save energy consumption, reduce the cost, installation, operation and convenient uygur raises.

[28]

The present invention not yet mentioned is suitable for the existing technology.



[1]

The invention relates to a two-way cement mixing pile machine which comprises a power supply box, an internal drill rod and an external drill rod and a two-way rotary drill bit. The two-way cement mixing pile machine is characterized in that: the power supply box only comprises an electric motor and a set of drive system which consists of a speed reducer, a coupler, a mud joint and a box body; the internal drill rod is sleeved in the external drill rod with one core; the upper end face of the external drill rod is fixed with the bottom plate of the box body and can not rotate and the lower end surface is fixedly connected with the pressure cover of the shell body of the two-way rotary drill bit. The lower end surface of the internal drill rod is connected with the upper end surface of the internal drill bit. The upper part of the internal drill bit is fixedly sleeved with an upper bevel gear meshed with an intermediate wheel. The intermediate wheel is arranged on the horizontal shaft which is fixed on the central part of the shell body. The internal drill bit vertically passes through the through hole in the middle of the horizontal shaft. The intermediate wheel is simultaneously meshed with the lower bevel gear sleeved with the lower part of the internal drill bit. The upper bevel gear, the intermediate wheel and the lower bevel gear form the fixed axis gear train drive. Two or more blades are welded and arranged in the radial directions of the internal drill bit and the external drill bit.



1, a two-way cement soil mixing pile machine, includes installing in the pile of the upper part of the frame box, inside and outside of the power box is connected with the drill rod and the two-way rotary drill bit of the drill rods are connected to the three parts, which is characterized in that the power box and only include a motor and a transmission system, said transmission system includes a speed reducer, coupling, and mud joint; box body minute the upper layer and the lower layer, the upper layer of the speed reducer is mounted in the box body, the input end of the speed reducer is vertically installed with the motor; mud a connector is arranged on the lower of the box body, the output shaft of the mud joint and the lower end of the drill rod is connected with the upper end surface of; the speed reducer and the output of the mud joint between the upper end of the mounting coupling;

The inner drill rod concentrically sleeved within the outer drill rod, the upper end face of the outer drilling rod and fixed at the bottom of said box body, can not rotate, the lower end face of the outer drilling rod with the two-way rotary drill bit is fixedly connected with the housing cover; the lower end of the drill rod and is connected with the upper end surface of the drill bit;

The structure of the two-way rotary drill bit is as follows: the upper end of the gland is of the casing and is connected with the lower end of the drill rod, the gland fixed to the shell at the lower end of the shell, the shell is provided with a bearing on the inner side of the gland, the gland housing is connected with the casing at the outer side of the ;, is fixed on the upper part of the drill bit with the bevel gear, a bevel gear on the gear body and the shell of the upper bearing is mounted between, and engaged with the intermediate wheel awl tooth face ; intermediate wheel mounted on the horizontal shaft, the two ends of the horizontal axis is fixed in the middle part of the casing, is provided with a diameter larger than the middle of the through hole of the drill bit, the inner drill bit from the through hole vertically passing through the; awl tooth facestates the idle wheel of the part and, at the same time the lower bevel gear meshed with the lower part of the drill bit, and the lower bevel gear between the gear body and the shell is provided with the lower bearing, the upper bevel gear, to the intermediate wheel with three bevel gear and a bevel gear transmission of ordinary gear train; the lower bevel gear on the lower end surface of the upper end face of the connector is connected, the inner drill bit inside the connecting body is arranged between the inner bearing, connecting with the outside of the outer bearing is mounted between the shell; the lower end face of the connecting body and is connected with the upper end surface of the drill bit, the lower end of the outer of the drill bit out of the case through the sealing cover, the sealing cover is installed in the lower end face of the shell; the outer shell part are evenly distributed radially on the drill bit is welded with a 2 or 2 or more short blade; the length of the inner drill bit with the outer is longer than the length of the drill bit, and the drill bit is longer than in the lower end of the part of the welding is uniformly distributed radially on a 2 or 2 a long blade of the above; the short blade and the long vertical flush with the outer end of the blade.

2, two-way cement soil mixing pile machine according to Claim 1, characterized in that the two sides of the center shaft are symmetrically mounted to the horizontal shaft is provided with two bridge bevel gear, and the two bridge and the bevel gears are meshed with the bevel gear and a lower bevel gear.

3, two-way cement soil mixing pile machine according to Claim 1, is characterized in that the outer bit of the short blade is welded on 4 or 6 a, and welded on the outer drill bit are uniformly distributed in the axial direction of the two cross-section; the inner drill bit is longer than the length of the drill bit with the length of the of 0.3-0.8 m, the inner drill bit of the long blade is welded on the 4 or 6 a, welding, and the drill bit are uniformly distributed in the axial direction of the two cross-section.

4. Two-way cement soil mixing pile machine as in Claim 1, 2 or Claim 3, characterized in that the sealing cover is provided with two sealing rings.

5. Two-way cement soil mixing pile machine as in Claim 1, 2 or Claim 3, is characterized in that the exterior of the drill bit with the drill bit is mounted between the lower end of a sealing member.