Wheel set walking trolley with self-adaptive adjustment of wheel supports

Abstract

The utility model discloses a wheel set walking trolley with self-adaptive adjusting wheel supports, which comprises two groups of side plates, each group of side plates comprises two side plates, wheel shafts are fixedly arranged at two ends of each group of side plates, rollers are rotatably arranged on the wheel shafts through bearings, the rollers are arranged between the two side plates, the wheel supports are fixedly arranged on the wheel shafts, and the wheel supports are fixedly arranged on the wheel shafts. A wheel groove corresponding to a wheel is formed in the upper surface of the wheel support, at least one elastic clamp is arranged on the wheel support, and a self-adaptive elastic clamp with a torsion spring is installed on the side face of the wheel support, so that the wheel set walking trolley can be suitable for wheels with different wheel diameters, and universality is greatly improved; different wheel set walking trolleys do not need to be prepared during railway rescue, the railway rescue cost is reduced, meanwhile, for wheels with different wheel diameters, a worker does not need to hold a wheel support handle by hand to operate a wheel support through self-adaptive adjustment of the elastic clamp, potential safety hazards are eliminated, and operation safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway rescue technical field, concretely is a wheel set self -adaptation adjustment's wheel set running trolley. BACKGROUND

[0002] When the wheel set of railway vehicle encounters a fault, the fault wheel set running trolley is used as a specially designed emergency rescue device. When problems such as wheel tread damage or gear jamming occur, the trolley can temporarily replace the faulty wheel set, carry the faulty vehicle, and allow it to continue driving under speed limit conditions, thereby ensuring the safety and continuity of transportation. The existing wheel set running trolley needs to be held by hand during rescue, and the handle of the wheel set is aligned with the descending faulty wheel set. This operation method violates the "Special Emergency Plan for Vehicle Accidents in Operation Headquarters", has safety hazards, and the wheel set position is fixed. When performing railway rescue on wheels of different diameters, different wheel set running trolleys need to be prepared, which has low universality and increases the rescue cost. Therefore, we propose a wheel set self-adaptive adjustment wheel set running trolley. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a wheel set self-adaptive adjustment wheel set running trolley. The wheel set running trolley can be applied to wheels of different diameters, greatly improving the universality, reducing the need to prepare different wheel set running trolleys during railway rescue, and reducing the cost of railway rescue. The problems in the background art can be effectively solved.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wheel set self-adaptive adjustment wheel set running trolley, comprising two groups of side plates, each group of side plates comprising two, and each group of side plates being fixedly provided with an axle at both ends, a roller being rotatably provided on the axle through a bearing, the roller being arranged between the two side plates, a wheel set being fixedly provided on the axle, a wheel groove corresponding to the wheel being formed on the upper surface of the wheel set, at least one elastic clamp being arranged on the wheel set, the elastic clamp comprising a fixed part and a movable part, the fixed part being mounted on the side surface of the wheel set through a fixing bolt, the movable part being rotatably arranged on the fixed part through a pin shaft, a torsional spring being sleeved on the pin shaft, the torsional spring being arranged on the inner side of the fixed part and the movable part, and the movable part being pressed against the upper side of the side plate when the wheel is supported by the wheel set.

[0005] As a preferred technical scheme of the utility model, the two groups of side plates are connected by a connecting piece, the connecting piece comprising a connecting shaft and two adjusting nuts arranged at both ends of the connecting shaft, the adjusting nuts being mounted on the axle, and external threads being arranged at both ends of the connecting shaft, the adjusting nuts being threadedly connected at both ends of the connecting shaft.

[0006] As a preferred technical scheme of the utility model, the adjusting nut comprises a nut and a fixed block, a clamping groove matched with the axle end is arranged on the side surface of the fixed block, pin shaft holes are arranged on the clamping groove and the axle end, the fixed pin is inserted into the pin shaft holes on the clamping groove and the axle after the clamping groove is clamped to the axle end, and the nut is arranged on the side surface of the fixed block away from the axle.

[0007] As a preferred technical scheme of the utility model, the wheel support handle is arranged above the elastic clamp.

[0008] As a preferred technical scheme of the utility model, the two side arm ends of the wheel support are provided with semicircular holes corresponding to the axle, the side arm ends are provided with fixed plates through fixed bolts, the side surface of the fixed plate is also provided with a semicircular hole, and the side arm ends of the wheel support and the fixed plate are arranged on the outer side of the axle through the two semicircular holes, and the side arm is arranged between the roller and the side plate.

[0009] Compared with the prior art, the utility model has the beneficial effects that: the self-adapting elastic clamp with the torsion spring is arranged on the side surface of the wheel support, the elastic clamp has an initial position, corresponds to the maximum wheel diameter 840mm of the wheel, and the wheel support cannot press the elastic clamp under its own gravity; when the wheel diameter is less than 840mm (the minimum wheel diameter is 770mm), the elastic clamp is pressed to change the angle of the wheel support under the gravity of the wheel, the stable state is reached when the wheel groove arc surface of the wheel support is opposite to the tread arc surface, and the angle cannot change any more, so that the wheel walking trolley can be applied to the wheels with different diameters, the universality is greatly improved, different wheel walking trolleys are not needed when the railway rescue is carried out, the railway rescue cost is reduced, the self-adapting adjustment of the elastic clamp is used for the wheels with different diameters, the wheel support handle does not need to be held by the staff to operate the wheel support, the safety hazard is eliminated, and the operation safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a structural schematic view of the utility model;

[0011] Figure 2 It is a partial structural schematic view of the utility model;

[0012] Figure 3 It is a structural schematic view of the utility model after the wheel is installed;

[0013] Figure 4 It is a side view structural schematic view of the utility model; Figure 3

[0014] Figure 5 It is an installation schematic view of the utility model wheel with the wheel diameter 840mm;

[0015] Figure 6 ​The utility model discloses a wheel diameter 770mm's installation schematic drawing.

[0016] In the drawing: 1 side plate, 2 roller, 3 wheel support, 4 wheel support handle, 5 elastic clamp, 6 wheel axle, 7 adjusting nut, 8 fixed pin, 9 connecting shaft, 10 fixed plate, 11 wheel groove, 12 wheel. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to 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. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of the utility model protection.

[0018] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a wheel support self-adapting adjustment wheel pair running trolley, including two groups of side plates 1, each group of side plates 1 includes two, i. e. four side plates in total, wheel axle 6 is fixedly arranged at both ends of each group of side plates 1, roller 2 is rotatably arranged on wheel axle 6 by bearing, roller 2 is arranged between two side plates 1, wheel support 3 is fixedly arranged on wheel axle 6, wheel groove 11 corresponding with wheel 12 is formed in the upper surface of wheel support 3, four rollers 2 and four wheel supports 3 are arranged on two groups of side plates 1, two wheels of wheel 12 are respectively supported between two wheel supports 3 on one group of side plates 1, for lifting the wheel that appears fault, and make fault vehicle can continue to travel under speed limit condition, to guarantee the safety and continuity of transportation.

[0019] One or two elastic clamps 5 are arranged on wheel support 3, when one elastic clamp 5 is arranged, it is arranged at outside so as to facilitate staff to observe and overhaul elastic clamp 5, when two elastic clamps 5 are arranged, it is symmetrically arranged at both sides of wheel support 3.

[0020] Elastic clamp 5 includes fixed part and movable part, fixed part is installed on the side surface of wheel support 3 by fixed bolt, movable part is rotatably arranged on fixed part by pin shaft, and torsion spring is sleeved on pin shaft, torsion spring is arranged at the inboard of fixed part and movable part, movable part is pressed on the upside of side plate 1 when wheel support 3 lifts wheel 12, elastic clamp 5 has an initial position, corresponding with the maximum wheel diameter 840mm (such as Figure 4 ) of wheel pair, wheel support 3 cannot press elastic clamp 5 under its own gravity;When wheel diameter is less than 840mm (such as Figure 5As shown in the figure, under the gravity of the wheel 12, the angle of the wheel holder 3 is changed by pressing the elastic clamp 5, and when the wheel groove 11 of the wheel holder 3 is aligned with the tread arc, the stable state is reached, and the angle will not change again. The faulty wheel set applies gravity to the wheel set trolley wheel shaft 6 through the wheel holder 3, and the elastic clamp 5 only bears the force of the torsional spring and will not be damaged. The wheel set trolley can be applied to wheels of different diameters, greatly improving the universality, and reducing the cost of railway rescue. At the same time, for wheels of different diameters, the elastic clamp 5 can be adjusted automatically, and the staff does not need to hold the wheel holder handle to operate the wheel holder 3, eliminating the safety hazard and improving the operation safety.

[0021] In the preferred technical solution, the two groups of side plates 1 are connected by a connecting piece, which includes a connecting shaft 9 and two adjusting nuts 7 arranged at both ends of the connecting shaft 9. The adjusting nuts 7 are installed on the wheel shaft 6, and the connecting shaft 9 is provided with external threads at both ends. The adjusting nuts 7 are threadedly connected to both ends of the connecting shaft 9. The wheel set trolley can be assembled on the rescue site. Before the wheel set trolley is transported to the rescue site, the connecting shaft 9 can be removed to disassemble the two groups of side plates 1, thereby reducing the occupied space and facilitating transportation.

[0022] In the further preferred technical solution, the adjusting nut 7 includes a nut and a fixing block. The nut is arranged on the side surface of the fixing block away from the wheel shaft 6. The side surface of the fixing block is provided with a clamping groove matched with the end of the wheel shaft 6. The clamping groove and the end of the wheel shaft 6 are both provided with pin holes. After the fixing block is clamped to the end of the wheel shaft 6 through the clamping groove, the fixing pin 8 is inserted into the pin holes of the clamping groove and the wheel shaft 6. The wheel shaft 6 and the adjusting nut 7 are installed through the fixing pin 8. The fixing and dismounting are convenient, the operation is simple, and the work efficiency is improved.

[0023] In the preferred technical solution, the two side arms of the wheel holder 3 are provided with semicircular holes corresponding to the wheel shaft 6. The side arms are provided with a fixing plate 10 through fixing bolts. The side surface of the fixing plate 10 is also provided with a semicircular hole. The side arms of the wheel holder 3 and the fixing plate 10 are installed on the outside of the wheel shaft 6 through the two semicircular holes. The side arms are arranged between the rollers 2 and the side plates 1. The wheel holder 3 and the fixing plate 10 are rotatably arranged on the wheel shaft 6 through the fixing bolts, so as to support wheels 12 of different diameters. The wheel holder 3 and the fixing plate 10 can be conveniently dismounted, so as to facilitate maintenance, repair, replacement of parts, etc.

[0024] Optionally, the wheel holder 3 is provided with a wheel holder handle 4 arranged above the elastic clamp 5. When necessary, the wheel holder 3 can be operated through the wheel holder handle 4. In addition, the wheel holder handle 4 can also play the role of auxiliary fixing of the elastic clamp 5.

[0025] The specific structure, material and working principle of the non-disclosed part in the utility model are not described in detail. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wheel pair traveling trolley with adaptive wheel support adjustment, characterized by: The invention comprises two sets of side plates (1), each set of side plates (1) comprises two, and each set of side plates (1) is fixedly provided with a wheel axle (6) at both ends, a roller (2) is rotatably provided on the wheel axle (6) through a bearing, the roller (2) is arranged between the two side plates (1), a wheel support (3) is fixedly provided on the wheel axle (6), a wheel groove (11) corresponding to the wheel (12) is opened on the upper surface of the wheel support (3), at least one elastic clip (5) is provided on the wheel support (3), the elastic clip (5) comprises a fixed part and a movable part, the fixed part is mounted on the side surface of the wheel support (3) through a fixing bolt, the movable part is rotatably provided on the fixed part through a pin shaft, and a torsion spring is sleeved on the pin shaft, the torsion spring is arranged on the inner side of the fixed part and the movable part, and when the wheel (12) is lifted by the wheel support (3), the movable part is pressed against the upper side of the side plate (1).

2. The wheel support adaptively adjustable wheelset trolley according to claim 1, characterized in that: The two sets of side plates (1) are connected by a connecting piece, which includes a connecting shaft (9) and two adjusting nuts (7) arranged at both ends of the connecting shaft (9). The adjusting nuts (7) are installed on the wheel axle (6). Both ends of the connecting shaft (9) are provided with external threads, and the adjusting nuts (7) are threadedly connected to both ends of the connecting shaft (9).

3. The wheel pair traveling trolley with adaptive wheel support adjustment according to claim 2, characterized in that: The adjusting nut (7) comprises a nut and a fixing block, wherein a slot matching the end of the wheel axle (6) is provided on the side surface of the fixing block, and pin holes are provided on the slot and the end of the wheel axle (6). After the fixing block is connected to the end of the wheel axle (6) through the slot, the fixing pin (8) is inserted into the slot and the pin holes of the wheel axle (6). The nut is provided on a side surface of the fixing block away from the wheel axle (6).

4. The wheel support adaptively adjustable wheelset trolley according to claim 1, characterized in that: A wheel support handle (4) is provided on the wheel support (3), and the wheel support handle (4) is arranged above the elastic clip (5).

5. The wheel support adaptively adjustable wheelset trolley according to claim 1, characterized in that: The two side arm ends of the wheel support (3) are provided with semicircular holes corresponding to the wheel axle (6), the side arm ends are mounted with fixing plates (10) via fixing bolts, and the side surface of the fixing plate (10) is also provided with semicircular holes. The side arm ends of the wheel support (3) and the fixing plate (10) are mounted on the outside of the wheel axle (6) via the two semicircular holes, and the side arms are arranged between the roller (2) and the side plate (1).

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