CN219576450U

CN219576450U - Overhead contact system overhauls operation car in tunnel

Info

Publication number: CN219576450U
Application number: CN202320240338.9U
Authority: CN
Inventors: 胡聪; 胡开; 周鹏; 杜生洋; 何利江
Original assignee: China Railway 11th Bureau Group Co Ltd; China Railway 11th Bureau Group Electric Engineering Co Ltd
Current assignee: China Railway 11th Bureau Group Co Ltd; China Railway 11th Bureau Group Electric Engineering Co Ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-08-22
Anticipated expiration: 2033-02-13

Abstract

The utility model relates to the technical field of tunnel overhaul equipment, in particular to a tunnel inner contact network overhaul operation vehicle which comprises a chassis, wherein a cross frame is arranged on the inner side of the chassis, concave wheels are fixed at four corners of the lower side of the chassis, connecting rods A are fixed on the outer sides of the four corners of the cross frame, the connecting rods A are fixedly connected with the inner side of the chassis, supporting rods A are fixed on the upper sides of the connecting rods A, three foot frames A are arranged on the upper sides of the cross frame, the foot frames A are connected with the uppermost connecting rods B through buckles, a protection structure is arranged on the upper sides of the foot frames A, auxiliary platform structures are arranged on the left side and the right side of the supporting rods A far away from the chassis, and a protection device is arranged between the cross frame and the foot frames A. Can hang the safety belt on the link when foot rest A upside, can hang the safety belt on hanging the strip when foot rest B for the safety belt can hang lowly, lets personnel work at the overhead of maintenance car safer, has reduced the emergence of incident, has improved the security of maintenance work.

Description

Overhead contact system overhauls operation car in tunnel

Technical Field

The utility model relates to the technical field of tunnel overhaul equipment, in particular to an overhaul operation vehicle for an overhead contact system in a tunnel.

Background

The tunnel refers to an engineering building buried in a ground layer, which is a form of human use underground space, and is defined as a "tunnel with a cross-sectional area greater than 2 square meters constructed in a certain use, under the ground, in any method, according to a specified shape and size" in 1970 by the international economic cooperation and development organization, and can be classified into traffic tunnels, hydraulic tunnels, municipal tunnels, mine tunnels, military tunnels, and the like.

The overhead contact system is a high-voltage power transmission line which is erected along the upper part of a steel rail in a zigzag shape and is used for current collection of a pantograph. The overhead contact system is a main framework of railway electrification engineering, and is a special type power transmission line which is erected along the overhead of a railway line and supplies power to an electric locomotive. The device consists of a contact suspension, a supporting device, a positioning device, a support and a foundation. The contact suspension is divided into a simple contact suspension and a chain-shaped contact suspension according to different structures, wherein the simple contact suspension is in a suspension form of directly fixing on a support device of a support column by a contact line, and the chain-shaped suspension is suspended on a carrier cable by a hanger. The carrier cable is hung on the supporting device of the strut, so that the suspension point of the contact line is increased under the condition of not increasing the strut, and the distance between the contact line and the rail surface in the whole span is kept consistent by adjusting the length of the hanger.

The overhead contact line maintenance operation vehicle is also named as a special ladder vehicle for overhead contact line maintenance and a special quick-assembly maintenance frame vehicle for railway rails, is widely used for fault problem treatment of overhead contact lines such as guide rails, tunnels, subways, railways, electrification and the like, emergency treatment of circuit appliances and common maintenance problems, and is formed by combining an aluminum alloy scaffold on the bottom and the upper surface of the overhead contact line maintenance operation vehicle and throwing frames on two sides of the overhead contact line maintenance operation vehicle, and is formed by combining an insulating rail clamp provided with an anti-toppling device on the bottom and insulating casters.

When using the maintenance car to overhaul, personnel belong to the overhead work, have the risk of falling, and current maintenance car, its top platform does not have the guardrail protection generally, and the maintenance car is whole unable normal use safety belt (high hanging low usefulness), has certain security risk. Therefore, the contact net overhauling operation vehicle in the tunnel is provided for solving the problems.

Disclosure of Invention

The utility model aims to solve the defects that in the prior art, when an overhaul vehicle is used for overhaul, personnel belong to high-altitude operation and fall risk exists, the uppermost platform of the existing overhaul vehicle is usually not protected by a guardrail, safety belts (high hanging and low use) cannot be normally used by the whole overhaul vehicle, and certain safety risk exists, and provides an overhaul operation vehicle for an overhead contact system in a tunnel.

The technical scheme for solving the technical problems is as follows:

the utility model provides a contact net overhauls operation car in tunnel, includes the chassis, the chassis inboard is equipped with crossing frame, downside four corners department is fixed with sunken wheel and downside left and right sides both ends are fixed with the guide block, crossing frame four corners outside is fixed with connecting rod A, connecting rod A links to each other with the inboard is fixed in chassis, connecting rod A upside is fixed with bracing piece A, the chassis upside is equipped with a plurality of connecting rod B, ladder, fixed link to each other between ladder and the connecting rod B and between connecting rod B and the bracing piece A, crossing frame upside is equipped with tripod A and is connected through the buckle between tripod A and the upside connecting rod B, tripod A upside is equipped with protective structure, supporting rod A keeps away from chassis left and right sides and is equipped with auxiliary platform structure, be equipped with protection device between crossing frame and the tripod A.

Preferably, the left and right ends of the upper side of the chassis are provided with oblique reinforcing rods, the oblique reinforcing rods are fixedly connected with the supporting rods A and the connecting rods B, the left and right ends of the inner side of the chassis are fixedly provided with two auxiliary rods, and the auxiliary rods are fixedly connected with the cross frame support.

Preferably, the protection structure comprises a plurality of transverse rails and a plurality of vertical rails, a movable door is arranged on the upper side of the ladder, a support rod B is rotated on the right side of the movable door, the support rod B is fixedly connected with the support rod B, the transverse rails are fixedly connected with the support rod A and the support rod B, and the vertical rails are fixedly connected with the support rod B and the transverse rails.

Preferably, the auxiliary platform structure includes four foot rest B, bracing piece A is kept away from chassis left and right sides and is fixed with bracing piece C, bracing piece C upside is fixed with L type bracing piece, and the downside is fixed with the diagonal bracing piece, fixed continuous between L type bracing piece, diagonal bracing piece and the bracing piece A, foot rest B is connected through the buckle with bracing piece C, the ladder left and right sides is equipped with two connecting rods C, fixed continuous between connecting rod C and the bracing piece C.

Preferably, a mounting hole is formed in one side of the support rod C, an electric telescopic rod is fixed to the inner side of the mounting hole, and a pulley is fixed to the shaft end of the electric telescopic rod.

Preferably, the protection device comprises two hanging strips, a through hole is formed in the middle of the foot rest A, a central column is arranged on the inner side of the through hole, the central column is fixedly connected with the cross frame, a plurality of limiting rods are fixedly arranged on the outer side of the central column, the hanging strips, the limiting rods and the supporting rods A are fixedly connected, a hanging ring is fixedly arranged at the upper end of the outer side of the central column, a supporting ring is fixedly arranged on the lower side of the hanging ring, and the supporting ring is fixedly connected with the outer side of the central column.

The utility model provides a tunnel inner contact net overhauling operation vehicle, which has the beneficial effects that:

1. through setting up horizontal railing, perpendicular railing string, center post, gag lever post, link, holding ring for the maintenance car can normal use safety belt, and increased the protection, personnel's safety when having improved the maintenance has reduced the probability of occurrence of incident.

2. Through setting up bracing piece C, electric telescopic handle, pulley for when the maintenance car removes on the track, both sides can contact the track inner wall, make the maintenance car remove more stably, improve the security of maintenance car.

Drawings

Fig. 1 is a schematic diagram of a front perspective structure of an overhead contact system maintenance vehicle in a tunnel according to the present utility model;

fig. 2 is a schematic view of a partial enlarged perspective structure of a region a in fig. 1 according to the present utility model;

FIG. 3 is a schematic view of a partially enlarged perspective structure of the area B in FIG. 1 according to the present utility model;

fig. 4 is a schematic view of a partially enlarged perspective structure of a region C in fig. 1 according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a chassis; 2. a cross frame; 3. a concave wheel; 4. a guide block; 5. a connecting rod A; 6. a support rod A; 7. a connecting rod B; 8. a ladder; 9. a foot rest A; 10. an oblique reinforcing rod; 11. a transverse railing; 12. vertical railing; 13. a movable door; 14. a support rod B; 15. an electric telescopic rod; 16. a pulley; 17. hanging strips; 18. a center column; 19. a limit rod; 20. hanging rings; 21. a support ring; 22. an auxiliary lever; 23. a foot rest B; 24. a support rod C; 25. an L-shaped support rod; 26. a diagonal support bar; 27. and (3) connecting a rod C.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Embodiments of the utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It will be appreciated that spatially relative terms such as "under …," "under …," "below," "under …," "over …," "above," and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "under …" and "under …" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

Referring to fig. 1-4, a tunnel inner contact net overhauls operation car, including chassis 1, chassis 1 inboard is equipped with cross frame 2, downside four corners department is fixed with sunken wheel 3 and downside left and right sides both ends are fixed with guide block 4, chassis 1 inboard left and right sides both ends are fixed with two auxiliary rod 22, auxiliary rod 22 links to each other with cross frame 2 support is fixed, cross frame 2 four corners outside is fixed with connecting rod A5, connecting rod A5 links to each other with chassis 1 inboard is fixed, sunken wheel 3 is used for contacting the inside rail of track and moves with the maintenance car in the upside, guide block 4 is used for blocking on the rail, play direction and stable effect, the maintenance car is whole can be pushed by the manual work or connect the tractor and remove, it is more convenient that whole use, auxiliary rod 22 has improved the stability of maintenance car whole bottom simultaneously.

The bracing piece A6 is fixed with to connecting rod A5 upside, chassis 1 upside is equipped with a plurality of connecting rod B7, ladder 8, fixed link to each other between ladder 8 and the connecting rod B7 and fixed link to each other between connecting rod B7 and the bracing piece A6, both ends are equipped with oblique stiffener 10 about chassis 1 upside, fixed link to each other between oblique stiffener 10 and bracing piece A6, connecting rod B7, cross frame 2 upside is equipped with tripod A9 and is connected through the buckle between tripod A9 and the uppermost connecting rod B7, oblique stiffener 10 has improved the holistic stability of maintenance car, life and security have been improved.

The foot rest A9 upside is equipped with protective structure, protective structure includes a plurality of horizontal railing 11, a plurality of perpendicular railing 12, ladder 8 upside is equipped with dodge gate 13, dodge gate 13 right side rotates has bracing piece B14, fixed link to each other between bracing piece B14 and the connecting rod B7, fixed link to each other between horizontal railing 11 and bracing piece A6, bracing piece B14, perpendicular railing 12 links to each other with fixed between connecting rod B7 and the horizontal railing 11, form the platform protection that the foot rest A9 formed through horizontal railing 11, perpendicular railing 12 and dodge gate 13, improve the security of maintenance car.

The chassis 1 left and right sides is kept away from to bracing piece A6 is equipped with auxiliary platform structure, auxiliary platform structure includes four foot rest B23, the chassis 1 left and right sides is kept away from to bracing piece A6 is fixed with bracing piece C24, bracing piece C24 upside is fixed with L type bracing piece 25, the downside is fixed with diagonal bracing piece 26, fixed link to each other between L type bracing piece 25, diagonal bracing piece 26 and the bracing piece A6, foot rest B23 is connected through the buckle with bracing piece C24, ladder 8 left and right sides is equipped with two connecting rods C27, fixed link to each other between connecting rod C27 and the bracing piece C24, bracing piece C24 one side is equipped with the mounting hole, the mounting hole inboard is fixed with electric telescopic handle 15, electric telescopic handle 15 axle head is fixed with pulley 16, make pulley 16 contact track inner wall through electric telescopic handle 15, improve the holding power for the maintenance car, simultaneously pulley 16 can let the maintenance car remove and can not receive great resistance, make the maintenance car more stable when moving, the security of maintenance car has been improved.

The protection device is arranged between the cross frame 2 and the foot rest A9 and comprises two hanging strips 17, the middle foot rest A9 is provided with a through hole, the inner side of the through hole is provided with a central column 18, the central column 18 is fixedly connected with the cross frame 2, a plurality of limiting rods 19 are fixedly arranged on the outer side of the central column 18, the hanging strips 17, the limiting rods 19 and the supporting rods A6 are fixedly connected, hanging rings 20 are fixedly arranged at the upper end of the outer side of the central column 18, supporting rings 21 are fixedly connected with the outer side of the central column 18, a safety belt can be hung on the hanging rings 20 when the upper side of the foot rest A9, and the safety belt can be hung on the hanging strips 17 when the foot rest B23, so that the safety belt can be hung high and low, personnel can work at high altitude on a maintenance vehicle, the occurrence of safety accidents is reduced, and the safety of maintenance work is improved.

It should be noted that:

the recessed wheel 3, the ladder 8, the electric telescopic rod 15 and the pulley 16 according to the present utility model are all of the prior art, wherein the specific functions and usage thereof are not described in detail, wherein:

the electric telescopic rod 15, namely a called electric lifting rod, is a method for converting the rotary motion of a motor into linear motion, and is a multi-section lifting rod which is long in stroke and is a linear actuator which drives a push rod to operate by using a direct current circuit.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a contact net overhauls operation car in tunnel, includes chassis (1), its characterized in that, chassis (1) inboard is equipped with cross frame (2), downside four corners department is fixed with sunken wheel (3) and downside left and right sides both ends are fixed with guide block (4), cross frame (2) four corners outside is fixed with connecting rod A (5), connecting rod A (5) and chassis (1) inboard are fixed to link to each other, connecting rod A (5) upside is fixed with bracing piece A (6), chassis (1) upside is equipped with a plurality of connecting rod B (7), ladder (8), fixed link to each other between ladder (8) and connecting rod B (7) and bracing piece A (6) between fixed link to each other, cross frame (2) upside is equipped with three foot rest A (9) and foot rest A (9) are connected through the buckle between the connecting rod B (7) of the topside, foot rest A (9) upside is equipped with protective structure, chassis (1) left and right sides are kept away from to bracing piece A (6) are equipped with auxiliary platform structure, be equipped with protection device between cross frame (2) and foot rest (9).

2. The tunnel inner contact net overhauling operation vehicle according to claim 1, wherein the left end and the right end of the upper side of the chassis (1) are provided with oblique reinforcing rods (10), the oblique reinforcing rods (10) are fixedly connected with the supporting rods A (6) and the connecting rods B (7), two auxiliary rods (22) are fixedly arranged at the left end and the right end of the inner side of the chassis (1), and the auxiliary rods (22) are fixedly connected with the cross frame (2) support.

3. The tunnel inner contact net overhauling operation vehicle according to claim 1, wherein the protection structure comprises a plurality of transverse rails (11) and a plurality of vertical rails (12), a movable door (13) is arranged on the upper side of the ladder (8), a support rod B (14) is rotated on the right side of the movable door (13), the support rod B (14) is fixedly connected with the connecting rod B (7), the transverse rails (11) are fixedly connected with the support rod A (6) and the support rod B (14), and the vertical rails (12) are fixedly connected with the connecting rod B (7) and the transverse rails (11).

4. The tunnel inner contact net overhauling operation vehicle according to claim 1, wherein the auxiliary platform structure comprises four foot frames B (23), the left side and the right side of the supporting rod A (6) away from the chassis (1) are fixedly provided with supporting rods C (24), the upper side of the supporting rod C (24) is fixedly provided with L-shaped supporting rods (25), the lower side of the supporting rod C is fixedly provided with inclined supporting rods (26), the L-shaped supporting rods (25), the inclined supporting rods (26) and the supporting rod A (6) are fixedly connected, the foot frames B (23) are connected with the supporting rods C (24) through buckles, the left side and the right side of the ladder (8) are provided with two connecting rods C (27), and the connecting rods C (27) are fixedly connected with the supporting rods C (24).

5. The in-tunnel contact net overhaul operation vehicle according to claim 4, wherein a mounting hole is formed in one side of the supporting rod C (24), an electric telescopic rod (15) is fixed to the inner side of the mounting hole, and a pulley (16) is fixed to the shaft end of the electric telescopic rod (15).

6. The tunnel inner contact net overhauling operation vehicle according to claim 1, wherein the protection device comprises two hanging strips (17), a through hole is formed in the middle of the foot rest A (9), a central column (18) is arranged on the inner side of the through hole, the central column (18) is fixedly connected with the cross frame (2), a plurality of limiting rods (19) are fixedly connected with the outer side of the central column (18), hanging strips (17) and limiting rods (19) are fixedly connected with the supporting rods A (6), a hanging ring (20) is fixedly arranged at the upper end of the outer side of the central column (18), a supporting ring (21) is fixedly connected with the lower side of the hanging ring (20), and the supporting ring (21) is fixedly connected with the outer side of the central column (18).