CN221116768U - Transitional coupler lifting platform for locomotive rescue of motor train unit - Google Patents

Abstract

The utility model belongs to the technical field of lifting devices, and particularly relates to a transition coupler lifting platform for locomotive rescue of a motor train unit, which comprises a cab apron and a lifting device, wherein the lifting device is arranged on the cab apron and comprises a suspension arm, a winch, a rocking handle, a steel wire rope, a lifting hook and a ratchet mechanism, the suspension arm comprises a fixed arm and a rotating arm, a groove and a handle are arranged on the cab apron, a support and a travelling mechanism are also arranged on the support, the length of the cab apron is greater than the distance between tracks, an opening is arranged on the groove, a sleeve is arranged on the support in the direction perpendicular to the tracks, and the sleeve is positioned on the central line of the cab apron and the support and is positioned right above the tracks along the extending direction of the tracks. The utility model has the beneficial effects that: the transition coupler is convenient to carry and install, safe and stable, and labor and fault processing time are saved.

Description

Transitional coupler lifting platform for locomotive rescue of motor train unit

Technical Field

The utility model relates to the technical field of lifting devices, in particular to a transition coupler lifting platform for a locomotive of a motor train unit during rescue.

Background

When the motor train unit fails and can not run continuously, the motor train unit is needed to realize rescue operation, because the motor train unit and the rescue locomotive can not be directly linked, and for facilitating rescue and return of the motor train unit, a transition coupler is arranged in the motor train units at the two ends of the motor train unit, so that the transition coupler is needed to be installed, the rescue locomotive is needed to pull the motor train unit, but because the transition coupler has larger self mass, partial mechanic can not realize quick installation due to the problems of height and strength, and when the motor train unit is operated by a single person, the transition coupler is directly thrown up and down, the sleeper plate on a high-speed railway has larger hardness, and the coupler is easy to be damaged; or a plurality of mechanic cooperation realizes the installation, no matter it is the gathering manpower, carries the process of installation to transition coupling, has all prolonged the trouble handling time from a certain extent, consumes the manpower.

Disclosure of utility model

The utility model aims at the problems in the prior art, and the transition coupler lifting platform is designed in a targeted manner when the motor train unit and the locomotive are in rescue, so that the transition coupler is convenient to carry, and labor and fault handling time are saved.

In order to achieve the above purpose, the utility model provides a transition coupler lifting platform for a locomotive of a motor train unit during rescue, comprising: the device comprises a cab apron, a lifting device and a support, wherein the lifting device is arranged on the cab apron through the support, and the length of the cab apron is longer than the distance between tracks; the ferry plate is provided with a groove; the hoisting device comprises a suspension arm, a winch, a rocking handle, a steel wire rope and a lifting hook, wherein the suspension arm is arranged on a cab apron, the winch is arranged on the suspension arm, the rocking handle is arranged on the outer side of the winch, one end of the steel wire rope is tied on the winch, and the other end of the steel wire rope is connected with the lifting hook; the suspension arm is provided with a ratchet mechanism.

According to the technical scheme, the hoisting device is arranged on the transition plate through the support, the hoisting device realizes hoisting of the transition coupler, labor and time are saved, the transition plate is lapped on the surface of the steel rail, the flatness of the hoisting device during operation is improved, the vertical height of the transition coupler during hooking is reduced, and meanwhile, a vehicle-mounted engineer with insufficient height conditions can conveniently operate and install the transition coupler by means of the transition plate; the support is arranged on the cab apron and plays a role in supporting the lifting device, the bottom surface of the support is more flat and is attached to the cab apron, welding and fixing are convenient to implement, and the working plane of the lifting device is flat during operation and is not easy to incline and unbalance; the length of the cab apron is longer than the distance between the tracks, the cab apron can be directly erected on the tracks, and the cab apron is supported due to the higher flatness of the tracks, so that the cab apron is not easy to overturn in the operation process, and the safety is improved; the transition plate is provided with a groove, and the transition coupler is placed in the groove in the process of taking out and conveying the transition coupler from the head of the transition coupler driven vehicle to a position needing to be installed, and when the transition coupler moves, the transition coupler can be limited by the groove, so that the sliding of the transition plate with higher surface smoothness is prevented; the hoisting device is used for realizing hoisting of the transition coupler, the winch is arranged on the boom, the rocking handle is arranged on the outer side of the winch, the steel wire rope is connected with the lifting hook through the winch, the rocking handle is manually rotated, the winch connected with the rocking handle also rotates along with the winch, the steel wire rope is tightened and wound on the winch and the shaft where the winch is located, and the lifting of the lifting hook is realized by winding and unwinding the steel wire rope, so that the hoisting of the transition coupler is realized, and the labor and the fault processing time are saved; ratchet sets up on the davit, ratchet includes gear, ratchet and pawl, installs gear and capstan winch on same transmission shaft, ratchet and pawl hinge on the davit, through rotating the rocking handle that sets up in the capstan winch outside, the gear will pass through the tooth interlock as the action wheel and drive the ratchet and forward feed, the capstan winch rotates and makes wire rope tighten up, thereby the lifting hook realizes lifting by crane to transition coupling, the conveying is more stable, the pawl sets up at the davit inner wall, braking the ratchet, prevent that the load from disappearing back and producing the gyration, cause the quick-witted decline of transition coupling, avoid causing the damage and causing the injury to the mechanic to transition coupling.

Further, the groove is provided with an opening, and a plurality of groups of protrusions are arranged in the groove.

By adopting the technical scheme, the grooves are provided with the holes, the ropes penetrate through the holes at the two ends, so that the transitional coupler is fixed, the rail of the motor train unit is mostly a rugged road surface, and the transitional coupler is prevented from falling due to deflection of the cab apron in the conveying process; the recess is interior to have multiunit arch, when the bad weather such as appearance sleet day need implement the installation to the transition coupling, and the mechanic can stand and operate in the recess, sets up the arch, increases the friction of sole and recess, prevents to appear that the sole skids and causes personnel to be injured, also increases the frictional force with between the transition coupling.

Further, the support is provided with a sleeve, and the sleeve is positioned on the central line of the cab apron and the support in the direction vertical to the track and is positioned right above the track in the direction parallel to the extending direction of the track.

By adopting the technical scheme, the sleeve matched with the cross section of the suspension arm is arranged on the support and is sleeved with the suspension arm, so that the lifting device is convenient to detach, store and transport before and after use, and the sleeve is positioned on the central line of the cab apron and the support, so that the cab apron is prevented from being overturned when the lifting device works; the hoisting device is parallel to the extending direction of the track, is positioned right above the track, and can reduce the deformation of the cab apron by means of the supporting effect provided by the track when the mass loaded by the hoisting device during operation is overlarge, so that the operation surface is more stable.

Further, the suspension arm comprises a fixed arm and a rotating arm hinged with the fixed arm, and the fixed arm and the rotating arm respectively consist of hollow arms with a plurality of cross sections matched.

By adopting the technical scheme, the suspension arm comprises the fixed arm and the rotating arm hinged with the fixed arm, when the suspension arm is not used, the rotating arm can be folded, the occupied space is reduced, the fixed arm and the rotating arm are respectively formed by sleeving a plurality of hollow arms with matched cross sections, the positioning pin penetrates through the through holes on the hollow arms, the length of the suspension arm is fixed, the height and the lifting range of the suspension arm are adjusted, and the purpose of lifting the transition coupler in a larger range is achieved; the material intensity that the davit adopted is great, is satisfying the condition of maximum jack-up load, and the hollow arm realizes the lightweight demand, convenient transport and storage.

Furthermore, the cab apron is also provided with a travelling mechanism and a handle.

By adopting the technical scheme, the traveling mechanism is arranged, so that the whole lifting platform and the transition coupler can be moved more conveniently, the carrying pressure is reduced, and the moving time is saved; one end of the cab apron is provided with a handle, so that a mechanic can conveniently drag the cab apron to move, and labor is saved.

Further, the running gear includes wheel and stopper, the stopper is installed on the wheel.

By adopting the technical scheme, the wheels are arranged on the cab apron, the brakes are arranged on the wheels, the wheels are more flexible, the whole lifting platform is driven to move, the carrying pressure is reduced, the fault handling time is saved, the wheels are fixed by the arrangement of the brakes, and when the lifting device lifts, the transition coupler is prevented from shaking due to sudden movement, so that the load offset is easy to influence the operation of the lifting device.

In summary, the utility model has the following advantages and beneficial technical effects:

1. The hoisting device is arranged on the cab apron, the winch is driven to tighten the steel wire rope through the rotation of the rocking handle, and the lifting hook connected with the steel wire rope is lifted along with the steel wire rope, so that the transition coupler is hoisted mechanically, and labor and time are saved; when a mechanic lifts by operating the rocking handle, the ratchet mechanism enables the transmission to be more stable, and pawls in the ratchet mechanism can be clamped into the tooth backs of the ratchet wheels along with the withdrawal of the force of the mechanic, so that the ratchet wheels are prevented from reversing, and the transition coupler is prevented from suddenly falling back to cause injury to personnel.

2. The support is arranged on the cab apron, compared with the bottom surface of the suspension arm in the lifting device, the bottom surface of the support is smoother, unbalance is not easy to occur during operation, and the support is more convenient to realize welding fixation with the cab apron; the support is provided with the sleeve which is sleeved with the suspension arm, so that the lifting device is more convenient to detach, store and transport before and after use; the sleeve is arranged on the center line of the cab apron and the support in the direction perpendicular to the track, so that the cab apron is prevented from being overturned due to different loads at two ends when the hoisting device works; in the direction of the parallel track, the support force provided by the track to the cab apron is positioned right above the track, so that deformation of the cab apron caused by overlarge hoisting quality is reduced, and the operation is more stable.

3. The transition plate is provided with the groove, and the transition coupler is placed in the groove in the moving process of the transition coupler, so that the limitation on the transition coupler is increased, the transition coupler is prevented from sliding down due to the fact that the surface smoothness of the transition plate is too high and the transition plate is inclined, and the fault handling time is saved in the other sense; the grooves are provided with holes, so that the ropes can pass through the holes at the two ends to further fix the transition coupler; the bulge is additionally arranged in the groove, when a mechanical operator needs to deal with faults in severe weather, the friction between the sole and the groove can be increased, personnel injury caused by slipping is prevented, and the friction between the sole and the transitional coupler is also increased.

4. The davit is a plurality of cross section matched with hollow arms, is sleeve-type between adjacent promptly and cup joints, fixes adjacent hollow arm through the locating pin that passes the through-hole, can realize quick adjustment to the length of davit, and the material intensity that the davit adopted is great, can satisfy under the condition of maximum lifting load, and hollow arm satisfies the lightweight demand, more convenient transport and storage.

5. The cab apron is also provided with the travelling mechanism and the handle, the travelling mechanism is arranged, the carrying pressure is reduced, the fault handling time is saved, and the handle is convenient for a mechanic to drag the cab apron to move.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an isometric view of the present utility model;

fig. 2 is a front view of the hoisting device 2 of the utility model;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

Fig. 4 is an isometric view of the cab apron 1 of the present utility model;

fig. 5 is a front view of the cab apron 1 of the present utility model.

The reference numerals in the drawings are:

1. a ferry plate; 2. a lifting device; 201. a suspension arm; 202. a winch; 203. a rocking handle; 204. a wire rope; 205. a lifting hook; 206. a ratchet mechanism;

3. A support; 4. a sleeve; 5. a groove; 6. a walking mechanism; 601. a wheel; 602. a brake;

7. A handle; 8. And (5) opening holes.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5:

1-2, the embodiment discloses a transition coupler lifting platform for a locomotive of a motor train unit during rescue, which comprises: the lifting device comprises a cab apron 1, a lifting device 2 and a support 3, wherein the support 3 is welded on the cab apron 1, the lifting device 2 is arranged on the cab apron 1 through the support 3, the length of the cab apron 1 is larger than the distance between tracks, a groove 5 is formed in the upper surface of the cab apron 1, the lifting device 2 comprises a suspension arm 201, a winch 202, a rocking handle 203, a wire rope 204 and a lifting hook 205, the suspension arm 201 is arranged on the cab apron 1, the winch 202 is arranged in a cavity of the suspension arm 201, the rocking handle 203 is welded on the outer side of the winch 202, one end of the wire rope 204 is connected to the winch 202, the other end of the wire rope is connected with the lifting hook 205 along the suspension arm 201, a ratchet mechanism 206 is arranged on the suspension arm 201, the ratchet mechanism 206 comprises a gear, a ratchet and a pawl, the gear is arranged on the same transmission shaft as the winch 202, the ratchet and the pawl are hinged on the inner wall of the cavity of the suspension arm 201, the gear is coaxially driven with the winch 202, the gear is meshed with the ratchet teeth, the pawl is clamped on the back of the gear teeth, openings 8 are formed in the side faces perpendicular to the track direction symmetry, protrusions are arranged in the groove 5, a sleeve 4 is arranged on the support 3, one end of the sleeve 4 is welded on the support, the other end of the sleeve 3 is arranged on the lifting device, the sleeve 4 is connected with the lifting device 2 in the direction perpendicular to the track, and the direction of the track 3 is perpendicular to the direction of the track, and the direction of the extension of the lifting device is perpendicular to the track, and is located on the direction of the track and is perpendicular to the direction of the track and can be parallel to the direction on the direction along and the direction and perpendicular to and on the direction and 3.

As shown in fig. 3, the boom 201 includes a fixed arm and a rotating arm hinged to the fixed arm, the fixed arm is vertically disposed on the cab apron 1, the rotating arm is hinged to the fixed arm, the fixed arm and the rotating arm are respectively composed of a plurality of hollow arms with matched cross sections, and the adjacent hollow arms are fixed by positioning pins.

As shown in fig. 4, the cab apron 1 is further provided with a travelling mechanism 6, one end of the cab apron 1 is hinged with a handle 7, is vertical to the side surface of the ground, and is closer to the support 3.

As shown in fig. 5, the travelling mechanism 6 comprises wheels 601 and brakes 602, universal wheels are arranged at four corners of the bottom of the cab apron 1, and the brakes 602 are arranged on the wheels 601.

The working principle of the transition coupler lifting platform in the rescue of the motor train unit locomotive is as follows:

1. The hoisting platform comprises a cab apron 1, a hoisting device 2 and a support 3, wherein the hoisting device 2 is arranged on the cab apron 1 through the support 3, the cab apron 1 is lapped on the surface of a steel rail, the hoisting device 2, the support 3, a transition coupler and a mechanic are supported, the flatness of the hoisting device 2 during operation is improved, the vertical height of the transition coupler during hanging is reduced, meanwhile, a vehicle mechanic can conveniently operate and install the hoisting device 2 on the cab apron 1, the hoisting device 2 is used for realizing hoisting of the transition coupler, the hoisting device 2 is arranged on the cab apron 1 through the support 3, and compared with the hoisting device 2 which is directly arranged on the cab apron 1, the bottom surface of the support 3 is more flat and is attached to the cab apron 1, so that the stability of the hoisting device 2 during operation is improved, the inclination unbalance is not easy to occur, and the welding fixation is convenient to implement; the length of the cab apron 1 is longer than the distance between the tracks, the cab apron 1 is erected on the track where the train runs, and because the track is high in flatness, overturning is not easy to occur, meanwhile, a supporting effect is provided for the cab apron 1, deformation of the cab apron 1 caused by excessive loading weight of the lifting device 2 is reduced, and running on a stable working surface is realized; the transition plate 1 is provided with the groove 5, and the transition plate is placed in the groove 5 during the transportation process of the transition coupler, and the groove 5 can limit the transition coupler so as to prevent the surface of the transition plate 1 from slipping due to too smooth surface; the hoisting device 2 comprises a suspension arm 201, a winch 202, a rocking handle 203, a steel wire rope 204 and a lifting hook 205, wherein the suspension arm 201 is arranged on a cab apron 1, the winch 202 is arranged on the suspension arm 201, one end of the rocking handle 203 is fixedly connected to the outer side of the winch 202, one end of the steel wire rope 204 is wound on the winch 202, the other end of the steel wire rope is connected with the lifting hook 205 in a tied mode along the suspension arm 201, the winch 202 is driven by rotating the rocking handle 203, meanwhile, the steel wire rope 204 is tightened and wound on the winch 202 and a shaft where the winch 202 is located, and the lifting hook 205 connected with the other end of the steel wire rope 204 drives a transition coupler to realize hoisting; the suspension arm 201 is provided with a ratchet mechanism 206, the ratchet mechanism 206 is formed by matching a gear, a ratchet and a pawl, the gear and the winch 202 are arranged on the same shaft to realize coaxial transmission, the ratchet is hinged on the inner side of a cavity of the suspension arm 201, the winch 202 fixedly connected with the rocking handle 203 rotates by rotating the rocking handle 203, a tightening wire rope 204 drives a lifting hook 205 to realize lifting of a transitional coupler, the winch 202 rotates and simultaneously drives the coaxial gear to rotate, the ratchet is used as a driven wheel, and the ratchet is meshed with the gear to rotate through teeth to synchronously realize rotation, so that stable feeding is realized; in addition, when the mechanic removes the pulling force, the mechanic will rotate the ratchet mechanism 206 under the gravity influence of the transition coupler, and the ratchet is matched with the pawl installed in the cavity of the boom 201, so that the pawl is blocked into the back of the ratchet to prevent the ratchet from reversing, and the injury of personnel or the damage of the coupler caused by the sudden drop of the transition coupler is avoided.

2. The grooves 5 are provided with holes 8, ropes penetrate through the holes 8 at the two ends to fix the transition coupler arranged in the grooves 5, and when moving on a rugged track, the transition coupler is prevented from falling due to the inclination of the cab apron 1; the groove 5 is internally provided with a bulge, when extremely severe weather such as rain and snow occurs, an engineer can stand in the groove 5 to mount the transition coupler, the bulge is arranged, the friction force between the sole and the groove 5 is increased, and the friction force between the groove 5 and the transition coupler is also increased.

3. The support 3 is provided with the sleeve 4, the sleeve 4 is matched with the cross section of the suspension arm 201, the sleeve 4 is fixed through the locking assembly after being sleeved with the suspension arm 201, and after the lifting operation of the lifting device 2 is carried out, the lifting device 2 is convenient to detach, store and transport; the sleeve 4 is positioned on the central line of the cab apron 1 and the support 3 in the direction vertical to the track, is parallel to the extending direction of the track, is positioned right above the track, and is positioned right above the track in the direction parallel to the track, so that the cab apron 1 is prevented from overturning due to different loads at two ends of the lifting device 2, and the deformation of the cab apron 1 is reduced when the excessive mass is loaded by means of the supporting force provided by the track, so that the working surface is more stable.

4. The suspension arm 201 comprises a fixed arm and a rotating arm hinged with the fixed arm, the fixed arm is vertically arranged and connected with the cab apron 1, the rotating arm can be hinged to rotate around the fixed arm and is used for lifting a transitional coupler, the rotating arm can be rotated and folded after the operation of the lifting device 2 is completed, the occupied space is reduced, the fixed arm and the rotating arm are respectively formed by sleeving a plurality of hollow arms with matched cross sections, adjacent arms are fixed through holes of the hollow arms by positioning pins, the length and lifting range of the suspension arm 201 are adjusted, and meanwhile, the hollow arms meet light-weight requirements and are convenient to detach and carry.

5. The cab apron 1 is also provided with the travelling mechanism 6, so that the movement of the whole lifting platform and the transition coupler is more convenient to realize, the carrying pressure is reduced, and the fault processing time is saved; one end of the cab apron 1 is provided with a handle 7, a mechanic does not need to carry the cab apron 1, and the cab apron 1 is moved through the handle 7, so that labor is saved.

6. The travelling mechanism 6 comprises wheels 601 and a brake 602, the brake 602 is arranged on the wheels 601, the wheels 601 realize flexible movement of the whole lifting platform, the brake 602 brakes the wheels 601, and deflection of a transition coupler caused by sudden movement of the wheels 601 is avoided.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (6)

1. The utility model provides a transition coupling hoisting platform when EMUs locomotive rescue which characterized in that: the device comprises a cab apron (1), a lifting device (2) and a support (3), wherein the lifting device (2) is arranged on the cab apron (1) through the support (3), and the length of the cab apron (1) is longer than the distance between tracks;

A groove (5) is formed in the cab apron (1);

The lifting device (2) comprises a suspension arm (201), a winch (202), a rocking handle (203), a steel wire rope (204) and a lifting hook (205), wherein the suspension arm (201) is arranged on a cab apron (1), the winch (202) is arranged on the suspension arm (201), the rocking handle (203) is arranged on the outer side of the winch (202), one end of the steel wire rope (204) is tied on the winch (202), and the other end of the steel wire rope is connected with the lifting hook (205);

A ratchet mechanism (206) is arranged on the suspension arm (201).

2. The transition coupler lifting platform for locomotive rescue of a motor train unit according to claim 1, wherein: the groove (5) is provided with an opening (8), and a plurality of groups of bulges are arranged in the groove (5).

3. The transition coupler lifting platform for locomotive rescue of a motor train unit according to any one of claims 1 or 2, wherein: the support (3) is provided with a sleeve (4), and the sleeve (4) is positioned on the center line of the cab apron (1) and the support (3) in the direction perpendicular to the track; in the direction of extension of the parallel tracks, is located directly above the tracks.

4. The transition coupler lift platform for locomotive rescue of a motor train unit of claim 3, wherein: the suspension arm (201) comprises a fixed arm and a rotating arm hinged with the fixed arm, wherein the fixed arm and the rotating arm are respectively composed of a plurality of hollow arms with matched cross sections.

5. The transition coupler lifting platform for locomotive rescue of a motor train unit according to claim 4, wherein: the cab apron (1) is also provided with a travelling mechanism (6) and a handle (7).

6. The transition coupler lift platform for locomotive rescue of a motor train unit of claim 5, wherein: the running gear (6) comprises wheels (601) and a brake (602), wherein the brake (602) is mounted on the wheels (601).