Coupler adjusting device and highway-railway dual-purpose tractor applying same

Abstract

The utility model discloses a car coupler adjusting device and a highway-railway dual-purpose tractor applying the same, which comprise a car coupler body, a coupler head fixing piece, a car coupler lifting rod, a car coupler guide plate, a telescopic cylinder, a first sliding chute plate and a second sliding chute plate, the coupler head fixing piece is fixed on the car coupler guide plate and embraces the car coupler body, and the telescopic cylinder is fixed on the car coupler guide plate. The car coupler lifting rod is fixed on the car coupler guide plate and is in bolted connection with the car coupler body through a chain, when a hook is pulled, the car coupler lifting rod is pried to release the limit of a coupler knuckle of the car coupler body, and the first sliding groove plate and the second sliding groove plate are installed on a car body to be assembled through bolts. The car coupler guide plate is assembled between the first sliding groove plate and the second sliding groove plate so that the car coupler guide plate can only move up and down. The car coupler device is reasonable in structural design, one car coupler device can be suitable for different traction heights, and the adjusting mode is convenient, fast and efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rail-road dual-purpose towing vehicle equipment technical field, especially a car hook adjusting device and the rail-road dual-purpose towing vehicle of application of this device. BACKGROUND

[0002] At present, the track traffic tools on the market are various, so the car hook devices equipped with them are not completely unified in structure type, connection requirements and connection height. In order to meet the requirements of traction rescue under different conditions, the existing market mainly develops rail-road dual-purpose towing vehicles for a specific type of track traffic tool for traction rescue, which leads to narrow application range and insufficient universality of the rail-road dual-purpose towing vehicles.

[0003] Chinese patent 202010909873.X discloses a car hook adjusting device, which mainly realizes the up-down adjustment of the car hook by setting a rotatable screw rod in the device. The structure is simple and effective. However, when adjusting the height of the car hook, it is necessary to manually hold the hook and force it in the vertical direction of the screw rod, and the self-weight of the car hook is dozens of kilograms, which is time-consuming and laborious. Therefore, we propose a car hook adjusting device and a rail-road dual-purpose towing vehicle using the device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problems in the prior art and provides a car hook adjusting device and a rail-road dual-purpose towing vehicle using the device, which can meet the requirements of different traction heights for a car hook device and has a convenient and efficient adjusting mode.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A car hook adjusting device, comprising a car hook body, a hook head fixing piece, a car hook lifting rod, a car hook guide plate, an extension cylinder, a first sliding groove plate and a second sliding groove plate, the hook head fixing piece is fixed on the car hook guide plate and holds the car hook body, the car hook lifting rod is fixed on the car hook guide plate and is connected with the car hook body through a chain, when towing the hook, the car hook lifting rod can be prised to release the limitation of the tongue of the car hook body, the first sliding groove plate and the second sliding groove plate are installed on the car body to be assembled through bolts, the car hook guide plate is assembled between the first sliding groove plate and the second sliding groove plate, so that the car hook guide plate can only move up and down.

[0007] Preferably, the hook head fixing piece comprises an upper fixing plate and a lower fixing plate, the upper fixing plate and the lower fixing plate each have a hole through which the pin column of the car hook body can pass, the upper fixing plate and the lower fixing plate hold the car hook body, the upper fixing plate and the lower fixing plate are connected through bolts, and the tail parts of the upper fixing plate and the lower fixing plate are respectively fixed on the car hook guide plate through bolts.

[0008] Preferably, the hook head fixing member is assembled with the hook body, and the inner cavity is left with space on the left and right sides of the hook body, which can be used for the left and right swinging of the hook body.

[0009] Preferably, the hook lifting rod comprises a shaped elbow pipe and a fixing seat, the shaped elbow pipe is protruded in the middle and is connected with the hook body through a chain, and the fixing seat is connected on the hook guide plate through bolts.

[0010] Preferably, the hook guide plate comprises a top plate, a connecting support and a sliding plate, a lifting ring is welded on the upper surface of each end of the top plate, a group of connecting supports are welded on the lower surface of each end of the top plate, the middle of the top plate is welded with the sliding plate, slopes are processed on the two sides of the sliding plate, two rows of threaded holes are processed in the middle of the sliding plate, and the tail of each of the upper fixing plate and the lower fixing plate is connected with the sliding plate through bolts.

[0011] Preferably, the first sliding groove plate and the second sliding groove plate are symmetrically arranged on the left and right sides, slopes matched with the slopes of the sliding plate are processed on the first sliding groove plate and the second sliding groove plate, fixing supports are welded on the lower ends of the first sliding groove plate and the second sliding groove plate, the cylinder body of the telescopic cylinder is hinged with the fixing supports, the push rod of the telescopic cylinder is hinged with the connecting supports on the hook guide plate, and the telescopic cylinder can be driven by hydraulic pressure or electricity.

[0012] A rail-road dual-purpose tractor, wherein the tractor comprises the hook adjusting device.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] The hook adjusting device can install different types of hooks on the rail-road dual-purpose tractor, can drive the push rod of the telescopic cylinder to extend or retract through hydraulic pressure or electricity, thereby driving the hook to move up and down, and can adapt to different heights of the towed rail transit vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the rail-road dual-purpose tractor using the hook adjusting device is provided for the utility model.

[0016] Figure 2 A front view plane structure schematic view of the rail-road dual-purpose tractor using the hook adjusting device is provided for the utility model.

[0017] Figure 3 A side view plane structure schematic view of the rail-road dual-purpose tractor using the hook adjusting device is provided for the utility model.

[0018] Figure 4The utility model provides a kind of car hook adjusting device and the overhead plane structure schematic diagram of the truck-train dual-purpose tractor applying this device.

[0019] Figure 5 For Figure 4 The section structure schematic diagram at A-A in middle;

[0020] Figure 6 The schematic diagram of hook head fixing seat structure;

[0021] Figure 7 The schematic diagram of car hook guide plate;

[0022] Figure 8 It is the schematic diagram of first sliding groove plate, second sliding groove plate.

[0023] In the drawing: 1, car hook body;2, hook head fixing part;201, upper fixed plate;202, lower fixed plate;3, car hook lifting rod;301, shaped elbow;302, fixed seat;4, car hook guide plate;401, top plate;402, connecting support;403, sliding plate;5, telescopic cylinder;6, first sliding groove plate;7, second sliding groove plate. Specific embodiments

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Refer to Figures 1-8 A kind of car hook adjusting device and the truck-train dual-purpose tractor applying this device, including car hook body 1, hook head fixing part 2, car hook lifting rod 3, car hook guide plate 4, telescopic cylinder 5, first sliding groove plate 6 and second sliding groove plate 7, wherein, car hook body 1 is the railway traction standard car hook configured to truck-train dual-purpose tractor, model is configured according to actual demand, hook head fixing part 2 is fixed on car hook guide plate 4 and is combined and holds car hook body 1, specifically, refer to the description Figure 6The hook head fixing member 2 comprises an upper fixing plate 201 and a lower fixing plate 202, both of which are in U-shaped arrangement, and both of the upper fixing plate 201 and the lower fixing plate 202 have holes through which the pin column of the coupler body 1 can pass, the upper fixing plate 201 and the lower fixing plate 202 embrace the coupler body 1, the pin column of the coupler body 1 passes through the holes in the upper fixing plate 201 and the lower fixing plate 202, and the coupler body 1 can be limited between the upper fixing plate 201 and the lower fixing plate 202, the upper fixing plate 201 and the lower fixing plate 202 are connected by bolts, so that the upper fixing plate 201 and the lower fixing plate 202 are stably enclosed together, the tail of each of the upper fixing plate 201 and the lower fixing plate 202 is fixed on the coupler guide plate 4 by bolts, so that the hook head fixing member 2 and the coupler guide plate 4 form an integral whole, and after the hook head fixing member 2 is assembled with the coupler body 1, the inner cavity has space left on the left and right sides of the coupler body 1, which can be used for swinging of the coupler body 1;

[0026] The coupler lifting rod 3 is fixed on the coupler guide plate 4 and is connected between the coupler body 1 by a chain, as shown in Figure 1 The coupler lifting rod 3 comprises a shaped elbow pipe 301 and a fixing seat 302, the middle part of the shaped elbow pipe 301 is protrudingly arranged and is connected between the coupler body 1 by a chain, and the fixing seat 302 is connected on the coupler guide plate 4 by bolts, when the coupler is pulled, the coupler lifting rod 3 can be lifted to release the limitation of the coupler body 1;

[0027] The first sliding groove plate 6 and the second sliding groove plate 7 are installed on the vehicle body to be assembled by bolts, and the coupler guide plate 4 is assembled between the first sliding groove plate 6 and the second sliding groove plate 7, so that the coupler guide plate 4 can only move up and down, as shown in Figure 1 and Figure 7 The coupler guide plate 4 comprises a top plate 401, a connecting support 402 and a sliding plate 403, one lifting lifting ring is welded on the upper surface of each end of the top plate 401, a group of connecting supports 402 are welded on the lower surface of each end of the top plate 401, the middle part of the top plate 401 is welded with the sliding plate 403, slopes are processed on both sides of the sliding plate 403, and two rows of threaded holes are processed in the middle of the sliding plate 403, the tail of each of the upper fixing plate 201 and the lower fixing plate 202 is connected with the sliding plate 403 by bolts, so as to fix the upper fixing plate 201 and the lower fixing plate 202 on the sliding plate 403;

[0028] The first sliding groove plate 6 and the second sliding groove plate 7 are symmetrically arranged left and right, and the first sliding groove plate 6 and the second sliding groove plate 7 are machined with inclined surfaces matched with the slope of the sliding plate 403, which can limit the sliding plate 403 in the first sliding groove plate 6 and the second sliding groove plate 7, and the distance that the sliding plate 403 can move up and down relative to the first sliding groove plate 6 and the second sliding groove plate 7 is less than the distance that the telescopic cylinder 5 can extend, so that the sliding plate 403 will not be pulled out of the first sliding groove plate 6 and the second sliding groove plate 7, and the lower end of the first sliding groove plate 6 and the second sliding groove plate 7 is welded with a fixed support, the cylinder body of the telescopic cylinder 5 is hinged with the fixed support, the push rod of the telescopic cylinder 5 is hinged with the connecting support 402 on the coupler guide plate 4, the telescopic cylinder 5 can be driven by hydraulic pressure or electricity, and the push rod of the telescopic cylinder 5 can be extended and retracted, so as to drive the top plate 401 and the sliding plate 403 to slide up and down through the connecting support 402, so that the coupler body 1 can move up and down relative to the vehicle body to adjust the height.

[0029] The utility model can be described by the following operation mode to explain its function principle:

[0030] In the utility model, the first sliding groove plate 6 and the second sliding groove plate 7 are assembled with the vehicle body integrally, the coupler body 1, the hook head fixing part 2 and the coupler guide plate 4 are assembled integrally, are connected through the telescopic cylinder 5 and are matched with the slope and limit, so that the coupler body 1 can be adjusted in the height of the continuous hitch relative to the vehicle body, specifically, when the push rod of the telescopic cylinder 5 is controlled to extend, drives the coupler guide plate 4 to move upwards, thereby realizing the upward movement of the coupler body 1, and the downward movement of the coupler body 1 can be realized when the push rod of the telescopic cylinder 5 is controlled to retract.

[0031] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A coupler adjusting device comprising a coupler body (1), a coupler head fixing member (2), a coupler lifting rod (3), a coupler guide plate (4), a telescopic cylinder (5), a first sliding groove plate (6) and a second sliding groove plate (7), characterized in that, The hook head fixing part (2) is fixed on the vehicle hook guide plate (4) and embraces the vehicle hook body (1), the vehicle hook lifting rod (3) is fixed on the vehicle hook guide plate (4) and is connected with the vehicle hook body (1) through a chain, when towing the hook, the vehicle hook lifting rod (3) can be lifted to release the limitation of the tongue of the vehicle hook body (1), the first sliding groove plate (6) and the second sliding groove plate (7) are bolted on the vehicle body to be assembled, the vehicle hook guide plate (4) is assembled between the first sliding groove plate (6) and the second sliding groove plate (7), so that the vehicle hook guide plate (4) can only move up and down.

2. A vehicle coupling adjustment device according to claim 1, characterised in that The hook head fixing part (2) comprises an upper fixing plate (201) and a lower fixing plate (202), the upper fixing plate (201) and the lower fixing plate (202) are provided with holes through which the pin column of the vehicle hook body (1) can pass, the upper fixing plate (201) and the lower fixing plate (202) embrace the vehicle hook body (1), the upper fixing plate (201) and the lower fixing plate (202) are connected through bolts, and the tail portions of the upper fixing plate (201) and the lower fixing plate (202) are fixed on the vehicle hook guide plate (4) through bolts.

3. A vehicle coupling adjustment device according to claim 2, characterised in that After the hook head fixing part (2) is assembled with the vehicle hook body (1), the inner cavity and the vehicle hook body (1) have space left and right, so that the vehicle hook body (1) can swing left and right.

4. A vehicle coupling adjustment device according to claim 1, characterised in that The vehicle hook lifting rod (3) comprises a shaped elbow pipe (301) and a fixing seat (302), the middle portion of the shaped elbow pipe (301) is protrudingly arranged and connected with the vehicle hook body (1) through a chain, and the fixing seat (302) is connected on the vehicle hook guide plate (4) through bolts.

5. A vehicle coupling adjustment device according to claim 2, wherein The vehicle hook guide plate (4) comprises a top plate (401), a connecting support (402) and a sliding plate (403), one lifting ring is welded on the upper surface of each end of the top plate (401), a group of connecting supports (402) are welded on the lower surface of each end of the top plate (401), the middle portion of the top plate (401) is welded with the sliding plate (403), slopes are formed on the two sides of the sliding plate (403), two rows of threaded holes are formed in the middle of the sliding plate (403), and the tail portions of the upper fixing plate (201) and the lower fixing plate (202) are connected with the sliding plate (403) through bolts.

6. A vehicle coupling adjustment device according to claim 5, characterised in that The first sliding groove plate (6) and the second sliding groove plate (7) are symmetrically arranged left and right, the first sliding groove plate (6) and the second sliding groove plate (7) are machined with inclined surfaces matched with the slopes of the sliding plate (403), fixing supports are welded on the lower ends of the first sliding groove plate (6) and the second sliding groove plate (7), the cylinder body of the telescopic cylinder (5) is hinged with the fixing supports, the push rod of the telescopic cylinder (5) is hinged with the connecting supports (402) on the vehicle hook guide plate (4), and the telescopic cylinder (5) can be driven by hydraulic pressure or electricity.

7. A road-rail tractor, characterised in that The towing vehicle comprises the hook adjusting device in any one of claims 1-6.

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