Wheel scotch block for securing automobiles

Double-deck container flat car

The invention discloses a double-deck container flat car, which comprises a car coupler buffer device, a semi-trailer bearing seat, a car body, a bogie, a braking device and a container fixing and locking mechanism, wherein the car body comprises a large underframe and a traction device; the cross section and the vertical section of the large underframe are of an all-steel welding concave structure, and an upper port of the concave structure forms a well-mouth shaped structure of the large underframe; the large underframe comprises side walls and a concave bottom; underframe bearing seats aresymmetrically arranged in the middle and at two ends of the large underframe, and the bearing seats are connected with the side walls and the concave bottom. The concave bottom well type structure furthest utilizes line limits and designs a car bottom bearing surface to an allowable minimum value; the bottom of the whole car, the traction device and an upside beam form the concave bottom structure; ...

Railway transport vehicle

The invention discloses a railway transport vehicle, which comprises a vehicle body, a pneumatic manual braking device, a coupler buffer device and a bogie. The vehicle body comprises a chassis and side walls and end walls which are vertical to the chassis, wherein an insulating layer is arranged below the floor of the chassis; and the optimized chassis has a reasonable structure of an integral stress frame so as to reduce the dead weight of the steel structure of the vehicle body and make the vehicle have higher bearing capability, particularly centralized bearing capability on the premise of not reducing rigidity. An insulating layer device is arranged in the chassis so as to effectively reduce the influence of heat conduction of high temperature cargo on the parts of the vehicle and guarantee the using reliability of the vehicle. Meanwhile, a frame of the insulating layer is welded with the floor on the upper layer into one whole so as to improve the impact resistance of the floor, optimize ...

Universal gondola car

The invention belongs to general-purpose open wagons, belonging to the transportation vehicles, in particular to the rail conveying vehicles. The invention comprises a body, a braking device, a bogie and a coupler and draft gear device. The body comprises a chassis and a side wall and an end wall which are arranged to be vertical to the chassis; and doors are arranged on the side wall. The body forms a proper integral stressing frame structure to reduce the self-weight of the body steel structure without reducing the rigid so as to lead the wagon to get higher bearing capability. Two couples of split folding doors are arranged on each side of the body and the door is provided with better closing performance and higher reliability and safety. The side wall appears as a split-style side wall and the discharging can be simultaneously carried out on two sides of the body so as to enhance the loading and discharging speed. The body is provided with a full-steel welded structure and the main ...

Wear-resistant pad of carriage connecting device

The invention provides a wear-resistant pad of a carriage connecting device. The wear-resistant pad with high compression resistance and high wear resistance is additionally arranged on a worn surface of the carriage connecting device. Compared with the prior art, the wear-resistant pad can protect a car coupler knuckle and a ball bearing bush body from wear and ensure that the tensile strength of the coupler knuckle and the ball bearing bush is constant throughout, and further has the advantages of rapid and convenient maintenance and replacement, low cost, safe running, and the like.

Method for automatically scanning voice frequency adaptive to user and mobile phone hearing aid using same

The invention relates to a method for automatically scanning a voice frequency adaptive to a user, which is used for automatically scanning the voice frequency in a mobile phone hearing aid. The method comprises the following steps of: generating a sound signal by a preset initial frequency through an audio and digital signal processor; judging whether a confirmation signal of a user is received through a keyboard within the preset time; if so, storing the frequency of the current sound signal; and otherwise, regenerating a next sound signal, and rejudging whether the confirmation signal of the user is received. In the method, by generating the sound signal progressively increasing with the frequency, the user determines which frequency is the suitable target frequency, finds the own sound frequency, and uses the frequency when starting the mobile phone hearing aid, so that the user can receive optimal speech intelligibility to achieve user comfort level effect. In addition, the invention ...

Universal gondola car

The invention belongs to general-purpose open wagons, belonging to the transportation vehicles, in particular to the rail conveying vehicles. The invention comprises a body, a braking device, a bogie and a coupler and draft gear device. The body comprises a chassis and a side wall and an end wall which are arranged to be vertical to the chassis; and doors are arranged on the side wall. The body forms a proper integral stressing frame structure to reduce the self-weight of the body steel structure without reducing the rigid so as to lead the wagon to get higher bearing capability. Two couples of split folding doors are arranged on each side of the body and the door is provided with better closing performance and higher reliability and safety. The side wall appears as a split-style side wall and the discharging can be simultaneously carried out on two sides of the body so as to enhance the loading and discharging speed. The body is provided with a full-steel welded structure and the main ...

Special gondola vehicle with a shallow concave bottom for coal transportation

A special gondola vehicle with a shallow concave bottom for coal transportation belongs to the transportation facilities, in particular to a railway truck gondola vehicle. The gondola vehicle comprises a vehicle body, a vehicle coupler buffer device, a braking device and a bogie. The vehicle body comprises a chassis, a side wall and an end wall. The key technique is that the chassis comprises a centre sill, a sleeper beam, a lower side beam and an end beam, two downwards concave shallow concave bottoms are arranged between the two sides of the centre sill and between the lower side beam and the sleeper beam in the middle of the side wall, the depths of the shallow concave bottoms are aligned with the lower plane of the centre sill, the side wall comprises a side wall board and a side post, the two ends of the side wall are end door panels which are inwards concave with respect to the side wall board to form stages, so as to form the end door plate with a concave structure. The invention ...

Wheel scotch block for securing automobiles

A wheel stopper for fixing the automobile belongs to the railway truck fittings. The invention is matched with a railway piggyback vehicle for application, used for fixing and restricting the vehicle wheel arranged on the railway piggyback flat vehicle. The invention includes a wheel stopper body, a bottom seat and a handle rod; the invention is characterized in that the shell of the wheel stopper body is internally provided with a drive shaft which is sequentially provided with a key wheel, a clutch, a ratchet wheel and a small gear; the shell of the wheel stopper body is internally provided with a driven shaft in parallel with the drive shaft; the driven shaft is provided with a large gear; the large gear is engaged with the small gear; the shell of the wheel stopper body is internally provided with a ratchet tongue by a supporter; the bottom seat is provided with a rack engaged with the large gear. The wheel stopper is suitable for piggyback transportation, can implement stepless adjusting ...

Railway goods train hook safety hook-chain mechanism

Mobile communication device with hearing-aid function and method thereof for realizing hearing-aid of earphone

The invention relates to a mobile communication device with a hearing-aid function, which comprises a shell and an earphone, wherein the shell is internally provided with an audio digital signal processor, a memory, a central processor and an audio power amplifier; the earphone is internally provided with a microphone and a receiver; the microphone in the earphone is used for inputting an audio signal to the mobile communication device; and the audio signal is subjected to voice processing such as noise reduction, frequency conversion, and the like in the mobile communication device, and then the processed signal is output to a user with poor hearing through the receiver to assist the user to hear. The invention combines the mobile communication device and a hearing-aid into a whole and ensures that the user with the poor hearing can simply realize hearing-aid through the mobile communication device without additionally adding an independent hearing-aid, which brings convenience to the ...

Trailers on flatcar-container transporting special car

Mobile phone, interface converter thereof and method for outputting VGA signal

The invention discloses a mobile phone, an interface convertor and a method for outputting a VGA signal. The mobile phone is additionally provided with a video and VGA coder, a VGA matching circuit and a VGA signal outputting interface; a digital tricolor signal output by a central processor of the mobile phone is processed by the video and VGA coder and the VGA matching circuit into the VGA signal; the VGA signal is sent to a display device connected with the interface convertor through the VGA signal outputting interface and the interface convertor externally connected with the mobile phone so as to realize the output of the VGA signal by the mobile phone; contents displayed in the mobile phone can be put in externally-connected display equipment and are displayed; a user only needs to carry the mobile phone and the interface convertor without carrying a heavy notebook computer and can conveniently demonstrate on a projector and other equipment with a standard VGA interface for clients ...

Boarding car

A dormitory van relates to a rest place for constructors during the construction of railway, in particular to a railway van used for the rest of constructors. The railway van comprises a van body, a braking device and a coupler and draft gear. The key technology is that: the van body comprises an underframe and end girders arranged at two ends of the underframe; two sides of the underframe are provided with lateral walls and end walls; a van roof is arranged above the lateral walls and the end walls; and the lateral walls, the end walls and the van roof form a closed carriage. The middle partof the carriage is a bedroom, two ends of the carriage are toilets, two ends of the van body are provided with boarding ladders, and the underside of the van body is provided with a steering frame. The bedroom is provided with upper and lower layers of sleepers and windows. The doorways of the toilets are provided with commodes, and one of the doorways of the toilets is provided with an electrical water ...

Railway goods train hook safety hook-chain mechanism

Special gondola vehicle with a shallow concave bottom for coal transportation

A special gondola vehicle with a shallow concave bottom for coal transportation belongs to the transportation facilities, in particular to a railway truck gondola vehicle. The gondola vehicle comprises a vehicle body, a vehicle coupler buffer device, a braking device and a bogie. The vehicle body comprises a chassis, a side wall and an end wall. The key technique is that the chassis comprises a centre sill, a sleeper beam, a lower side beam and an end beam, two downwards concave shallow concave bottoms are arranged between the two sides of the centre sill and between the lower side beam and the sleeper beam in the middle of the side wall, the depths of the shallow concave bottoms are aligned with the lower plane of the centre sill, the side wall comprises a side wall board and a side post,the two ends of the side wall are end door panels which are inwards concave with respect to the side wall board to form stages, so as to form the end door plate with a concave structure. The invention ...

Automobile wheel stopping device

A vehicle wheel stopper belonging to railway freight car accessories is used with a railway piggyback car to fix and restrict vehicle wheels on the piggyback car. The wheel stopper is provided with a guide groove on the wheel stopper body, wherein the guide groove is built in a lock shaft, a handle is arranged on the lock shaft, a locking spring covers the lock shaft with one end fixed onto the wheel stopper body and the other end fixed onto the handle, and a guide rail groove perpendicular to the guide groove is arranged on the wheel stopper. A wheel stopper guide rail which is embedded in the guide rail groove is welded on the floor of the car body, and locking holes are arranged on the guide rail and the guide rail groove of the wheel stopper. The wheel stopper has the advantages of no need of a plurality of positioning holes arranged on the floor of the car body, simplified piggyback car manufacture process, reduced cost, distinctive improvement on the stress operating condition and ...

Boarding car

A dormitory van relates to a rest place for constructors during the construction of railway, in particular to a railway van used for the rest of constructors. The railway van comprises a van body, a braking device and a coupler and draft gear. The key technology is that: the van body comprises an underframe and end girders arranged at two ends of the underframe; two sides of the underframe are provided with lateral walls and end walls; a van roof is arranged above the lateral walls and the end walls; and the lateral walls, the end walls and the van roof form a closed carriage. The middle part of the carriage is a bedroom, two ends of the carriage are toilets, two ends of the van body are provided with boarding ladders, and the underside of the van body is provided with a steering frame. The bedroom is provided with upper and lower layers of sleepers and windows. The doorways of the toilets are provided with commodes, and one of the doorways of the toilets is provided with an electrical ...

Car-door locking and fixing mechanism for railway freight car

The invention relates to a locking and fixing mechanism of a railway wagon door, which comprises an upper door lock mechanism which is positioned on a right door, a lower door lock mechanism which is positioned on a side beam, a guide device and a handle support base which are positioned on the right door, a bolt device which is arranged on a door post and a door stop which is arranged on a left door. The upper door lock mechanism is arranged on the right door through a hole on the guide device, a handle is positioned in the handle support base, and an upper lock pin is arranged in the hole which is composed of the door stop, thereby locking the door together with the lower door lock mechanism. As the lower door lock structure is an eccentric block iron mechanism and the upper door lock structure is an eccentric straight rod pressing mechanism, when in locking of the door, the upper and the lower door lock mechanisms are acted simultaneously, thereby achieving the purpose of safely locking ...

Spherical joint car coupler of railway wagon

The invention relates to a coupling device of a railway vehicle wagon, in particular to a spherical joint car coupler of a railway wagon, comprising an insertion end and a supporting end. The key technology is that the insertion end is provided with an insertion end body, one end of the insertion end body is provided with a cylindrical through hole, a spherical shaft is installed in the cylindrical through hole, a bearing bush with a spherical inner cavity is installed between the spherical shaft and the inner wall of the cylindrical through hole and is provided with a steel body, and the inner spherical surface of the steel body is adhered with a self-lubricating watt which is matched with the spherical surface of the spherical shaft; and the supporting end is provided with a supporting end body which is provided with a left side wall, a right side wall and a bottom wall, and the left side wall, the right side wall and the bottom wall form the spherical inner cavity, and the spherical ...

Mobile communication device with hearing aid function and method for realizing hearing aid call by using same

The invention relates to a mobile communication device with a hearing aid function, which comprises a mobile phone communication module, a central processing unit, an audio and digital signal processor, an audio power amplifier and a horn, wherein the mobile phone communication module is used for establishing a call connection and receiving digital audio signals; the central processing unit is connected with the mobile phone communication module, and used for processing the received digital audio signals; the audio and digital signal processor is used for converting the processed digital audio signals into analog audio signals; the audio power amplifier is connected with the audio and digital signal processor, and is used for amplifying the analog audio signals; and the horn is connected with the audio power amplifier, and is used for outputting the amplified audio signals. In the invention, the mobile communication device is integrated with a hearing aid into a whole, a person with dysacousia ...