Movable tunnel trolley locking mechanism

By installing a clamping mechanism on the tunnel trolley and using a hydraulic cylinder to control the clamping plate to hold the guide rail ribs, the problems of blockage and misalignment of the existing locking mechanism are solved, and efficient and stable trolley docking is achieved.

CN223707659UActive Publication Date: 2025-12-23SHANDONG TIEYING CONSTR ENG
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Patent Information

Application Number
CN202521037341.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2025-12-23
Estimated Expiration
2035-05-26

AI Technical Summary

Technical Problem

Existing tunnel trolley locking mechanisms are prone to low locking efficiency and affect movement safety due to blocked pin holes and misalignment.

Method used

A clamping mechanism is adopted, which uses slides on both sides of the trolley drive wheel and the clamping mechanism to fix and clamp the guide rail ribs. The hydraulic cylinder controls the clamping plate to clamp the ribs, so as to achieve stable docking of the trolley.

Benefits of technology

This improved locking efficiency, prevented stone debris from clogging the trolley, and ensured the stability and safety of the trolley.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223707659U_ABST
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Abstract

The utility model discloses a movable tunnel trolley locking mechanism which comprises a trolley driving wheel in rolling contact with a guide rail on the ground of a tunnel, two sliding seats and a clamping mechanism, the two sliding seats are fixedly installed on the two sides of a trolley driving wheel machine body respectively, and the clamping mechanism is fixedly installed on the trolley driving wheel machine body. Convex ribs of an integrated structure are fixedly arranged on the two sides of the guide rail in the length direction, clamping mechanisms are installed on the sliding seats, and the clamping mechanisms are used for fixedly clamping the convex ribs in the corresponding positions. The clamping mechanisms are installed on the two sides of the trolley driving wheel, when the trolley needs to stop at the corresponding position, only the clamping mechanisms need to be started to fixedly clamp the protruding ribs, inertia of the trolley driving wheel can be stopped under the action of friction force, the trolley is prevented from moving, and compared with a traditional plug pin structure, the safety of the trolley is improved. By adopting the clamping mechanism, the influence of broken stone can be effectively avoided, and the locking efficiency of the trolley can be effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel trolley equipment technical field more specifically, especially relates to a mobile tunnel trolley locking mechanism BACKGROUND

[0002] With the development of society, more and more track, highway and railway are built, and the construction brings great convenience to people, and in the construction, more tunnels need to be excavated or built, in tunnel construction, there is a construction method called lining, and the lining refers to the permanent support structure of reinforced concrete or other materials along the tunnel wall, which is used to prevent the deformation or collapse of surrounding rock. In recent years, tunnel lining trolley has been introduced in the process of tunnel lining.

[0003] In order to ensure the safety of trolley movement, it is necessary to ensure that the trolley can be reliably and stably parked at the desired position according to the needs of use, at this time, the locking device needs to be used. The existing locking has a bolt type locking mechanism, which is installed on the trolley, and when parking is needed, the bolt is inserted into the bolt hole on the track to realize locking, but the above locking method needs to process the corresponding bolt hole on the track, the bolt hole is easy to be blocked by gravel, which affects the normal locking work, and when locking, the bolt hole is not aligned, which needs to be adjusted repeatedly, affecting the locking efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of mobile tunnel trolley locking mechanism of improving locking efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of mobile tunnel trolley locking mechanism, including trolley drive wheel, trolley drive wheel and guide rail on tunnel ground rolling contact, further including two slides and clamping mechanism, two the slide is fixedly installed on the both sides of trolley drive wheel machine body respectively, the guide rail both sides are fixed with the convex rib of integral structure along the length direction, clamping mechanism is installed on the slide, and clamping mechanism is used to fixedly clamp the corresponding position convex rib.

[0006] Preferably, the cross section of the slide is L-shaped, and a slide slot is vertically formed on the outer side surface of the slide.

[0007] Preferably, the clamping mechanism includes an upper clamping plate, a lower clamping plate, a first hydraulic cylinder and a second hydraulic cylinder, one end of the upper clamping plate and the lower clamping plate is slidably connected with the slide slot, the lower clamping plate is located below the convex rib, the upper clamping plate is located above the convex rib, a protruding plate is fixedly installed on the outer side upper end position of the slide, the first hydraulic cylinder is fixedly installed on the slide, the second hydraulic cylinder is fixedly installed on the protruding plate, and the piston shafts of the first hydraulic cylinder and the second hydraulic cylinder are fixedly connected with the upper clamping plate and the lower clamping plate respectively.

[0008] Preferably, the upper clamping plate and the lower clamping plate are fixedly installed with rubber plates on the side close to the position of the convex rib.

[0009] Preferably, the first hydraulic cylinder and the second hydraulic cylinder are started and stopped through a remote control switch.

[0010] Preferably, the trolley driving wheel is an AGV driving wheel.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses a trolley driving wheel both sides install clamping mechanism, when trolley needs to stop in corresponding position, only need to start clamping mechanism and fix and hold the convex rib, under the action of friction, can the inertia of stop trolley driving wheel, avoid trolley to move, compared with the traditional bolt structure, adopt clamping mechanism can effectively avoid the influence of the gravel, can effectively improve the efficiency of trolley locking. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0014] Fig. 1 It is a perspective view of a mobile tunnel trolley locking mechanism of the utility model;

[0015] Fig. 2 It is a sectional view of a mobile tunnel trolley locking mechanism of the utility model;

[0016] Fig. 3 It is a side view of a mobile tunnel trolley locking mechanism of the utility model.

[0017] In the drawing: 1, trolley driving wheel;2, guide rail;21, convex rib;3, sliding seat;31, sliding slot mouth;4, clamping mechanism;41, upper clamping plate;42, lower clamping plate;43, first hydraulic cylinder;44, second hydraulic cylinder. DETAILED DESCRIPTION

[0018] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and characteristics of the utility model can be more easily understood by the person skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0019] Reference Figs. 1-3The utility model provides a kind of mobile tunnel trolley locking mechanism, including trolley drive wheel 1, trolley drive wheel 1 is in rolling contact with guide rail 2 on tunnel ground, the section of guide rail 2 is concave, the wheel of trolley drive wheel 1 is located in the recess of guide rail 2, the locking mechanism further includes two slides 3 and clamping mechanism 4, two described slides 3 are respectively fixedly installed in trolley drive wheel 1 fuselage two sides, the both sides of guide rail 2 are fixed with the convex rib 21 of integral structure along length direction, clamping mechanism 4 is installed on the described slide 3, clamping mechanism 4 is used for fixedly clamping corresponding position convex rib 21, under the action of friction, the inertia of stopping trolley drive wheel can be avoided, to avoid trolley moving.

[0020] Further, in the embodiment, the slide 3 is L-shaped in cross section, and a sliding groove 31 is vertically formed on the outer side surface of the slide 3.

[0021] In the embodiment, the clamping mechanism 4 includes an upper clamping plate 41, a lower clamping plate 42, a first hydraulic cylinder 43 and a second hydraulic cylinder 44. The upper clamping plate 41 and the lower clamping plate 42 are both steel plate structures, and one end of each of the upper clamping plate 41 and the lower clamping plate 42 is slidably connected to the sliding groove 31. The lower clamping plate 42 is located below the convex rib 21, and the upper clamping plate 41 is located above the convex rib 21. A protruding plate 32 is fixedly installed on the outer side of the upper end of the slide 3. The first hydraulic cylinder 43 is fixedly installed on the slide 3, and the second hydraulic cylinder 44 is fixedly installed on the protruding plate 32. The piston shafts of the first hydraulic cylinder 43 and the second hydraulic cylinder 44 are respectively fixedly connected to the upper clamping plate 41 and the lower clamping plate 42.

[0022] Further, in order to increase the friction force of the upper clamping plate 41 and the lower clamping plate 42 on the convex rib 21, in the embodiment, rubber plates are fixedly installed on the side of the upper clamping plate 41 and the lower clamping plate 42 close to the convex rib 21.

[0023] Further, in order to facilitate the staff to control the locking work of the trolley drive wheel 1, in the embodiment, the first hydraulic cylinder 43 and the second hydraulic cylinder 44 are started and stopped through remote control switches.

[0024] In the embodiment, the trolley drive wheel 1 is an AGV drive wheel.

[0025] The specific operation steps are as follows: when the trolley needs to stop at the corresponding position, only need to start the first hydraulic cylinder 43 and the second hydraulic cylinder 44, the first hydraulic cylinder 43 and the second hydraulic cylinder 44 drive the upper clamping plate 41 and the lower clamping plate 42 to approach the convex rib 21, so as to fix and clamp the convex rib 21, under the action of friction, the inertia of stopping the trolley drive wheel 1 can be avoided, to avoid the trolley moving.

[0026] Although the embodiments of the present application are described in conjunction with the drawings, the patent owner can make various modifications or changes within the scope of the appended claims, as long as they do not exceed the protection scope described in the claims of the present application, they should be within the protection scope of the present application.

Claims

1. A mobile tunnel trolley locking mechanism, comprising a trolley drive wheel in rolling contact with a guide rail on the tunnel floor, characterized in that: Two sliding seats and clamping mechanisms are further included, two sliding seats are fixedly installed on both sides of the trolley drive wheel machine body respectively, the guide rails are fixedly provided with protruding ribs of integral structure on both sides along the length direction, the sliding seats are all installed with clamping mechanisms, and the clamping mechanisms are used for fixing and clamping the corresponding position protruding ribs.

2. The locking mechanism of a mobile tunnel trolley according to claim 1, characterized in that: The sliding seat is L-shaped in cross section, and a sliding groove is vertically formed on the outer side surface of the sliding seat.

3. The locking mechanism of claim 2, wherein: The clamping mechanism comprises an upper clamping plate, a lower clamping plate, a first hydraulic cylinder and a second hydraulic cylinder, one end of the upper clamping plate and the lower clamping plate is slidably connected with the sliding groove, the lower clamping plate is located below the protruding rib, the upper clamping plate is located above the protruding rib, a protruding plate is fixedly installed on the upper end of the outer side of the sliding seat, the first hydraulic cylinder is fixedly installed on the sliding seat, the second hydraulic cylinder is fixedly installed on the protruding plate, and the piston shafts of the first hydraulic cylinder and the second hydraulic cylinder are fixedly connected with the upper clamping plate and the lower clamping plate respectively.

4. The locking mechanism of claim 3, wherein: The upper clamping plate and the lower clamping plate are both fixedly installed with rubber plates on the side close to the protruding rib.

5. The locking mechanism of claim 4, wherein: The first hydraulic cylinder and the second hydraulic cylinder are both started and stopped through remote control switches.

6. The locking mechanism of a mobile tunnel trolley according to claim 1, characterized in that: The trolley drive wheel is an AGV drive wheel.