CN-117341744-B - Rail maintenance trolley

CN117341744BCN 117341744 BCN117341744 BCN 117341744BCN-117341744-B

Abstract

The invention provides a track maintenance trolley which comprises a frame, a front wheel module, a rear wheel module and a driving mechanism, wherein the front wheel module comprises a front wheel frame, a front wheel pair arranged on the front wheel frame, a braking mechanism and at least one first quick-release device, the braking mechanism is in braking fit with the front wheel pair, the rear wheel module comprises a rear wheel frame, a rear wheel pair arranged on the rear wheel frame, a driving mechanism and at least one second quick-release device, the driving mechanism is in driving fit with the rear wheel pair, and any one of the first quick-release device and the second quick-release device is detachably connected with the frame. According to the track maintenance trolley, the front wheel module and the rear wheel module are detachably connected with the frame through the quick-release device, so that the problem that maintenance operation cannot be completed in a limited maintenance window period due to the limitation of the self travelling speed of the track maintenance trolley is solved, and the problem that the track maintenance trolley is inconvenient to carry due to the fact that the weight and the size of the track maintenance trolley are large during operation is solved.

Inventors

ZHANG YAXIONG
ZONG BIN
WU HUICHAO
ZHANG HAITAO
DENG ZHIBIN
TANG XUNFA
WANG LIBING
Qiao Zongyuan
CHEN JIANGZHOU

Assignees

中国铁建重工集团股份有限公司

Dates

Publication Date: 20260505
Application Date: 20231017

Claims (7)

1. A track maintenance trolley, comprising: a frame; The front wheel module comprises a front wheel frame, a front wheel pair arranged on the front wheel frame, a braking mechanism and at least one first quick-release device, wherein the braking mechanism is in braking fit with the front wheel pair; the rear wheel module comprises a rear wheel frame, a rear wheel pair arranged on the rear wheel frame, a driving mechanism and at least one second quick-release device, wherein the driving mechanism is in driving fit with the rear wheel; Any one of the first quick release device and the second quick release device is configured to be detachably connected with the frame; The frame is provided with a plurality of assembly holes, Any one of the first quick release device and the second quick release device comprises: The limiting assembly is provided with a limiting part and a connecting part, the connecting part penetrates through the assembly hole, and the limiting part is abutted with the part of the frame, which is positioned at one axial end of the assembly hole; The anti-falling piece is provided with a limit matching part and a connection matching part, the connection matching part is connected with the connection part, and the limit matching part is abutted with the part of the frame, which is positioned at the other axial end of the assembly hole; the spacing subassembly includes: The fixed seat comprises a seat body and a connecting column, wherein the seat body is fixedly connected with the corresponding front wheel frame or rear wheel frame, and the connecting column is positioned at one side of the seat body along the thickness direction; the connecting bush is sleeved on the connecting column, the connecting bush is suitable for being embedded in the assembly hole, the connecting bush and the connecting column jointly form the connecting part, and the seat body forms the limiting part; The limiting assembly further comprises a vibration reduction pad, wherein the vibration reduction pad is sleeved outside the connecting column and is positioned between the seat body and the connecting bushing; The connecting bush and the vibration damping pad are rubber parts.
2. The track maintenance trolley of claim 1 wherein the connection post has a connection hole extending axially along the connection post, the connection mating portion is a post insert, and the connection mating portion is threadedly mated with the connection hole.
3. The track maintenance trolley according to claim 1 or 2, wherein the front wheel frame is provided with first front mounting seats at both ends in a longitudinal direction thereof, respectively, the first front mounting seats include first front mounting portions and second front mounting portions at both sides in a height direction thereof, respectively, The front wheel pair comprises a front wheel shaft and front rollers, wherein the front rollers are arranged at two ends of the front wheel shaft along the axial direction of the front wheel shaft, second front mounting seats which are in one-to-one correspondence with the first front mounting seats are arranged on the front wheel shaft, and the second front mounting seats are connected with the first front mounting parts through bolts; The first quick release device is fixedly arranged on the second front installation part.
4. The track maintenance trolley of claim 1 or 2, wherein the braking mechanism comprises: the brake handle is movably arranged on the front wheel frame and extends out of the upper side of the frame; a brake pedal lever movably provided to the front wheel frame and extending from an upper side of the frame; The brake branching rod is arranged on one side of the front wheel frame along the front-rear direction; the brake discs are arranged on a plurality of wheel shafts of the front wheel pair at intervals; a brake caliper detachably clamped with the brake disc; And the brake calipers are connected with any one of the brake branching rod, the brake handle, the brake branching rod, the brake pedal rod and the brake branching rod through the brake pulling wire.
5. The track maintenance trolley according to claim 1 or 2, characterized in that, The two ends of the rear wheel frame along the length direction of the rear wheel frame are respectively provided with a first rear mounting seat, the first rear mounting seat comprises a first rear mounting part and a second rear mounting part which are respectively positioned at the two sides of the rear wheel frame along the height direction, The rear wheel pair comprises a rear wheel shaft and rear rollers, wherein the rear rollers are arranged at two ends of the rear wheel shaft along the axial direction of the rear wheel shaft, second rear mounting seats which are in one-to-one correspondence with the first rear mounting seats are arranged on the rear wheel shaft, and the second rear mounting seats are connected with the first rear mounting parts through bolts; the second quick release device is fixedly arranged on the second rear mounting part.
6. The track maintenance trolley according to claim 1 or 2, characterized in that, The rear wheel frame is also provided with a first rear connecting seat and a second rear connecting seat, The driving mechanism comprises a driving piece and a driving controller, the driving controller is electrically connected with the driving piece, and the driving piece is in transmission connection with the rear wheel; the driving piece is arranged on the first rear connecting seat, and the driving controller is arranged on the second rear connecting seat.
7. The track maintenance trolley according to claim 1 or 2, wherein any one of the front wheel frame and the rear wheel frame is provided with a plurality of lightening holes, a plurality of the lightening holes being arranged at intervals, the lightening holes being further used for routing; And/or, any one of the front wheel frame and the rear wheel frame is an alloy piece.

Description

Rail maintenance trolley Technical Field The invention relates to the technical field of rail detection, in particular to a rail maintenance trolley. Background Along with the increase of the running time of a track line such as a subway line, the maintenance engineering vehicles of the subway line such as flaw detection trolleys and tunnel detection trolleys are often required to be utilized, and the track is detected in a mode of carrying a detection device so as to ensure the safety of the subway line. However, since the traveling speed of the trolley is low and the window time for maintenance operation is limited, the trolley alone cannot complete the operation on time under the condition of long line detection, and the existing trolley system is heavy and inconvenient to carry, so that a scheme capable of rapidly disassembling the trolley needs to be provided. Disclosure of Invention In view of the above problems, the invention provides a track maintenance trolley, wherein a wheel module and a rear wheel module are respectively detachably connected with a frame through a quick-release device, so that the track maintenance trolley can be quickly detached, and each detached part is carried with other vehicles to quickly arrive at a maintenance destination for assembly, thereby solving the problem that maintenance operation cannot be completed in a limited maintenance window period due to the limitation of the self-travelling speed of the track maintenance trolley, and being easy to detach and carry. The invention provides a track maintenance trolley which comprises a frame, a front wheel module, a rear wheel module and a rear wheel module, wherein the front wheel module comprises a front wheel frame, a front wheel pair, a braking mechanism and at least one first quick-release device, the front wheel pair is arranged on the front wheel frame, the braking mechanism is in braking fit with the front wheel pair, the rear wheel module comprises a rear wheel frame, a rear wheel pair, a driving mechanism and at least one second quick-release device, the rear wheel pair is arranged on the rear wheel frame, the driving mechanism is in driving fit with the rear wheel, and any one of the first quick-release device and the second quick-release device is detachably connected with the frame. According to the track maintenance trolley, the front wheel module and the rear wheel module are respectively detachably connected with the frame through the quick-dismantling device, so that the track maintenance trolley can be quickly dismantled, and the split parts are carried with other vehicles to quickly arrive at a maintenance destination for assembly, so that maintenance operation is completed, the operation efficiency can be greatly improved, the problem that maintenance operation cannot be completed in a limited maintenance window period due to the limitation of the self-travelling speed of the track maintenance trolley is solved, and the problem that the track maintenance trolley is inconvenient to carry when the weight and the volume of the track maintenance trolley are large during operation is solved. In some embodiments, the frame is provided with a plurality of assembly holes, any one of the first quick-release device and the second quick-release device comprises a limiting component, the limiting component is provided with a limiting part and a connecting part, the connecting part is arranged in the assembly holes in a penetrating mode, the limiting part is in butt joint with the part, located at one axial end of the assembly holes, of the frame, the anti-falling piece is provided with a limiting matching part and a connecting matching part, the connecting matching part is connected with the connecting part, and the limiting matching part is in butt joint with the part, located at the other axial end of the assembly holes, of the frame. In some embodiments, the limiting assembly comprises a fixed seat, a connecting bush and a connecting bush, wherein the fixed seat comprises a seat body and a connecting column, the seat body is fixedly connected with the corresponding front wheel frame or rear wheel frame, the connecting column is positioned on one side of the seat body in the thickness direction, the connecting bush is sleeved on the connecting column, the connecting bush is suitable for being embedded in the assembly hole, the connecting bush and the connecting column jointly form the connecting part, and the seat body forms the limiting part. In some embodiments, the limit assembly further comprises a vibration reduction pad sleeved outside the connecting column and located between the seat body and the connecting bushing. In some embodiments, the connecting post has a connecting hole extending in an axial direction thereof, the connecting fitting portion is a plug post, and the connecting fitting portion is screw-fitted with the connecting hole. In some embodiments, first front mounting seats are respectively a