Railway overhead operation mechanism

Through the combination of the casing, hydraulic cylinder and flap structure, the problem of the inability to flexibly adjust the support structure during railway culvert construction was solved, and the stability of the support structure and the improvement of construction progress were achieved.

CN223447052UActive Publication Date: 2025-10-17ZHENGZHOU LUHONG RAILWAY EQUIP CO LTD
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Patent Information

Application Number
CN202423198596.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-10-17
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

During the construction of existing railway culverts, the temporary overhead support structure inside the culvert cannot be flexibly adjusted, which limits the construction progress and makes the support structure unstable, affecting the construction effect.

Method used

It adopts a shell, hydraulic cylinder, movable modules and flap structure, and adjusts the number and position of the movable modules through a hydraulic control system, eliminating the step of laying concrete blocks and ensuring the stability and flexibility of the support structure.

Benefits of technology

It has achieved timely adjustment of the support structure according to the changes in the culvert width, improved the construction progress, ensured the stability and continuity of the support, and reduced the adverse effects of construction.

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Patent Text Reader

Abstract

The utility model discloses a railway overhead operation mechanism which comprises a sleeve shell, a plurality of hydraulic cylinders are fixedly installed on the back face of the sleeve shell, a plurality of movable modules are arranged in the sleeve shell, connecting blocks are fixedly connected to the back faces of the movable modules, an opening is formed in the front face of the sleeve shell, and a plurality of clamping blocks are fixedly connected to the bottom of the opening. And the middle part of the clamping block is rotationally connected with a rotating rod. By arranging a series of structures, the number of supporting mechanisms during overhead operation can be increased in time according to the on-site construction progress, and meanwhile, the supporting position can be flexibly adjusted and changed, so that the adverse effect on the construction progress of the overhead operation is reduced, the step of laying flat concrete blocks is omitted, and the construction efficiency is improved. Meanwhile, the height difference between the top of the concrete block and the bottom of the movable module is avoided, so that the movable module is kept stable when pushed into the culvert, and the supporting effect of the movable module on the culvert is better guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to railway engineering technical field, concretely is a kind of railway overhead operation mechanism. BACKGROUND

[0002] Railway culvert is an important structural engineering commonly seen along railway line, aims at solving the problem when railway line crosses mountain or water body, ensures the smooth progress of railway transportation, and most of the existing railway culvert is the size larger hole that vehicle can pass, unlike the construction of drainage culvert, the culvert that needs to pass vehicle must be first lifted the bottom of railway line and then push into prefabricated concrete culvert block, to enhance the bearing capacity of culvert, and this kind of construction operation belongs to overhead operation.

[0003] But the existing railway culvert that vehicle can pass is usually first excavated the bottom of railway, then push into prefabricated concrete structure, along with the width of railway culvert excavation constantly becomes larger, the position of temporary overhead support mechanism in culvert cannot be adjusted, and the number of support structure cannot be increased in time according to the change of culvert width, so that the operation of railway culvert lifting is limited by operation mechanism, and further affect the progress of construction operation;In addition, the existing overhead operation mechanism usually needs to first lay flat concrete block on the bottom of excavated culvert as the slide of support structure sliding when supporting excavated culvert, and since the height difference between temporary pad concrete block and top surface of support mechanism still exists, the operation mechanism is easy to shake when being pushed and slid, cannot maintain better stability, and further affect the supporting effect of overhead operation mechanism. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of railway overhead operation mechanism to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of railway overhead operation mechanism, including sleeve shell and culvert mouth, the back of the sleeve shell is fixedly installed with multiple hydraulic cylinders, the inside of the sleeve shell is equipped with multiple movable modules, the back of the movable module is fixedly connected with connecting block, the front of the sleeve shell is equipped with opening, the bottom of the opening is fixedly connected with multiple clamping blocks, the middle of the clamping block is rotatably connected with rotating rod, the middle of the rotating rod is equipped with swivel spring, the outside of the rotating rod is equipped with flap, the sleeve shell is placed in the side of culvert mouth, the top of the culvert mouth is overhead with railway roadbed, the inside of the movable module is fixedly connected with inclined bracing plate.

[0006] Preferably, the middle of the sleeve shell both sides wall is fixedly installed with electric push rod, the both sides wall of the movable module is equipped with through hole.

[0007] Preferably, the output end of the electric push rod is connected with the movable module through a through hole, and the movable module is temporarily locked with the shell through the electric push rod.

[0008] Preferably, a hydraulic control box is fixedly installed at the middle of the back surface of the shell, and a plurality of hydraulic cylinders are connected with a control system in the hydraulic control box.

[0009] Preferably, the output end of the hydraulic cylinder is fixedly connected with the connecting block, the movable module is slidably connected with the shell through the hydraulic cylinder, and the movable module is insertedly connected with the culvert opening through the hydraulic cylinder.

[0010] Preferably, an opening is formed in the bottom of the flap, and the two ends of the rotating rod are fixedly connected with the flap through the opening.

[0011] Preferably, the rotary spring is embedded in the interior of the clamping block, and the flap is rotatably connected with the shell through the rotating rod and the rotary spring.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、 the railway overhead operation mechanism, through movable module, hydraulic cylinder, hydraulic control box and shell, when railway culvert is in the process of excavation, can according to the increasing of culvert width and timely push single flexible movable movable module via the effect of hydraulic cylinder upper piston rod, push into the area being overhead under railway, and timely support the area being overhead, make the mechanism number of support when overhead operation can timely increase according to the construction progress of scene, and the position of support can also be flexibly adjusted, thereby reduce the adverse effect on the construction progress of overhead operation.

[0014] 2、 the railway overhead operation mechanism, through flap, clamping block, rotating rod and rotary spring, when single movable module is pushed out from the shell, can push the flap located in the front of movable module, make it along clamping block and turn down and adhere to the ground where culvert is, make movable module can be more smoothly and continuously push into culvert, save the step of laying and leveling concrete block, simultaneously avoid the top of concrete block and the bottom of movable module appear height difference, thereby benefit movable module to keep stable when push into culvert, more benefit to guarantee the support effect of movable module to culvert. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the clamping block and flap structure schematic diagram of the utility model;

[0017] Figure 3The utility model discloses a through hole and connecting block structure schematic view of the utility model;

[0018] Figure 4 The utility model discloses a hydraulic cylinder and shell structure schematic view of the utility model;

[0019] Figure 5 The utility model discloses a rotary rod and rotary spring structure schematic view.

[0020] In the drawing: 1, movable module;2, shell;3, electric push rod;4, hydraulic cylinder;5, hydraulic control box;6, inclined bracing plate;7, opening;8, clamping block;9, gap;10, flap;11, through hole;12, connecting block;13, railway roadbed;14, culvert opening;15, rotary rod;16, rotary spring. DETAILED DESCRIPTION

[0021] 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. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through the intermediate medium, can be the intercommunication of two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] As Figures 1 to 5As shown, the railway overhead operation mechanism of the embodiment comprises a sleeve shell 2, the top and front of the sleeve shell 2 are not closed, so that the movable module 1 can directly touch the top of the culvert opening 14 after sliding out of the sleeve shell 2, thereby realizing the support of the movable module 1 to the top inside of the culvert opening 14, a plurality of hydraulic cylinders 4 are fixedly installed on the back of the sleeve shell 2, the positions of the hydraulic cylinders 4 are one-to-one corresponding to the positions of the movable modules 1 in the sleeve shell 2, so that a single movable module 1 can be moved under the drive of a single hydraulic cylinder 4, facilitating flexible adjustment of the number and position of the movable modules 1, thereby improving the flexibility of the overhead operation mechanism in use, a plurality of movable modules 1 are arranged inside the sleeve shell 2, the sizes of the movable modules 1 are the same, and the movable modules 1 are arranged side by side inside the sleeve shell 2, a connecting block 12 is fixedly connected to the back of the movable module 1, the connecting block 12 serves to increase the stability of the connection between the movable module 1 and the hydraulic cylinder 4, so that the piston rod on the hydraulic cylinder 4 can be smoothly pulled back into the sleeve shell 2, an opening 7 is formed on the front of the sleeve shell 2, the opening 7 serves to enable the movable module 1 to be smoothly pushed out of the sleeve shell 2 by the hydraulic cylinder 4, a plurality of clamping blocks 8 are fixedly connected to the bottom of the opening 7, the clamping blocks 8 serve to provide a fixed rotating shaft for the rotation of the flap 10, thereby realizing the rotation of the flap 10 from the vertical state to the horizontal state, a rotating rod 15 is rotatably connected to the middle of the clamping block 8, the rotating rod 15 serves to enable the flap 10 to rotate along the outside of the clamping block 8, a rotary spring 16 is arranged in the middle of the rotating rod 15, the rotary spring 16 serves to enable the flap 10 to maintain the initial vertical state, and facilitates the reset of the flap 10 after being rotated to the horizontal state, the outside of the rotating rod 15 is provided with the flap 10, the length of the flap 10 is adapted to the length of the movable module 1, so that the bottom of the movable module 1 can be completely held by the flap 10, thereby ensuring the supporting effect of the flap 10 on the movable module 1, the sleeve shell 2 is placed on one side of the culvert opening 14, the mechanism is placed on one side of the culvert opening 14, and the prefabricated concrete culvert foundation block can be placed on the other side of the culvert opening 14, after the mechanism completes the overhead support function, the sleeve shell 2 can be retracted, and at the same time the prefabricated concrete culvert foundation block can be smoothly slid into the culvert opening 14, the top of the culvert opening 14 is overhead of a railway roadbed 13, a diagonal support plate 6 is fixedly connected inside the movable module 1, the diagonal support plate 6 serves to realize the support of the inside of the movable module 1, so as to enhance the support strength of the movable module 1.

[0025] Specifically, the middle of each side wall of the sleeve shell 2 is fixedly installed with an electric push rod 3, and the two side walls of the movable module 1 are provided with through holes 11, the output end of the electric push rod 3 can be extended and pass through the through holes 11 on the two sides of the movable module 1, so as to strengthen the connection between the movable module 1 and the sleeve shell 2.

[0026] Further, the output end of the electric push rod 3 is connected with the movable module 1 through the through hole 11, and the movable module 1 is temporarily locked with the sleeve 2 through the electric push rod 3, so that the adjacent movable module 1 can remain in a stationary state when the movable module 1 is pushed out.

[0027] Further, the middle part of the back of the sleeve 2 is fixedly installed with a hydraulic control box 5, a plurality of hydraulic cylinders 4 are respectively electrically connected with the hydraulic control box 5, a plurality of groups of switches are arranged in the hydraulic control box 5, so that the plurality of hydraulic cylinders 4 can be controlled individually, thereby facilitating the control of a single movable module 1 and improving the flexibility of the working mechanism in use.

[0028] Further, the output end of the hydraulic cylinder 4 is fixedly connected with the connecting block 12, the movable module 1 is slidably connected with the sleeve 2 through the hydraulic cylinder 4, the movable module 1 is movably connected with the culvert opening 14 through the hydraulic cylinder 4, and the hydraulic cylinder 4 can push the movable module 1, so that the movable module 1 can slide along the sleeve 2 and the flap 10 into the culvert opening 14, thereby realizing the supporting effect of the movable module 1 on the culvert opening 14.

[0029] Further, the bottom of the flap 10 is provided with an opening 9, and the both ends of the rotating rod 15 are fixedly connected with the flap 10 through the opening 9, and the opening 9 can make the flap 10 rotate along the both sides of the clamping block 8, thereby realizing the supporting effect of the flap 10 on the movable module 1 sliding out of the sleeve 2.

[0030] Further, the rotary spring 16 is embedded in the inside of the clamping block 8, the flap 10 is rotatably connected with the sleeve 2 through the rotating rod 15 and the rotary spring 16, and the flap 10 can be turned back from the horizontal state to the vertical state under the elastic force generated by the deformed rotary spring 16, thereby realizing the resetting of the flap 10.

[0031] The use method of the embodiment is as follows: when the railway overhead operation mechanism is used, the mechanism is first placed on one side of the excavated railway culvert opening 14, then the mechanism is connected to an external power supply, then according to the width of the excavated culvert opening 14, the corresponding hydraulic cylinder 4 and movable module 1 are controlled through the hydraulic control box 5, and the electric push rod 3 is controlled, so that the output end of the electric push rod 3 slides out of the through hole 11 on the two sides of the corresponding movable module 1, so that the movable module 1 is temporarily unlocked from the sleeve 2, then the movable module 1 is pushed out of the opening 7 on the front of the sleeve 2 by the corresponding hydraulic cylinder 4, then the movable module 1 pushes the flap 10 located at the opening 7, so that the flap 10 rotates along the outside of the clamping block 8 through the rotating rod 15, so that the flap 10 rotates from the vertical state to the horizontal state, driving the deflection spring 16 on the rotating rod 15 to deform, when the flap 10 rotates to the horizontal state, the movable module 1 slides along the surface of the flap 10 into the culvert opening 14, so that the movable module 1 supports the top of the culvert opening 14, then according to the progress of the construction, the appropriate movable module 1 can be pushed into the culvert opening 14 in time.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A railway overhead working mechanism, comprising a casing (2) and a culvert opening (14), characterized in that: A plurality of hydraulic cylinders (4) are fixedly mounted on the back of the casing (2), a plurality of movable modules (1) are provided inside the casing (2), a connecting block (12) is fixedly connected to the back of the movable module (1), an opening (7) is provided on the front of the casing (2), a plurality of clamping blocks (8) are fixedly connected to the bottom of the opening (7), a rotating rod (15) is rotatably connected to the middle of the clamping block (8), a return spring (16) is provided in the middle of the rotating rod (15), a flap (10) is provided on the outside of the rotating rod (15), the casing (2) is placed on one side of a culvert opening (14), a railway roadbed (13) is suspended on the top of the culvert opening (14), and a diagonal support plate (6) is fixedly connected to the inside of the movable module (1).

2. A railway overhead working mechanism according to claim 1, characterized in that: Electric push rods (3) are fixedly mounted in the middle of both side walls of the casing (2), and through holes (11) are provided on both side walls of the movable module (1).

3. A railway overhead working mechanism according to claim 2, characterized in that: The output end of the electric push rod (3) is movably connected to the movable module (1) through a through hole (11), and the movable module (1) is temporarily locked with the housing (2) through the electric push rod (3).

4. The railway overhead working mechanism according to claim 1, characterized in that: A hydraulic control box (5) is fixedly mounted in the middle of the back of the casing (2), and the plurality of hydraulic cylinders (4) are respectively connected to a control system in the hydraulic control box (5).

5. The railway overhead working mechanism according to claim 1, characterized in that: The output end of the hydraulic cylinder (4) is fixedly connected to the connecting block (12), the movable module (1) is slidingly connected to the casing (2) via the hydraulic cylinder (4), and the movable module (1) is movably connected to the culvert opening (14) via the hydraulic cylinder (4).

6. The railway overhead working mechanism according to claim 1, characterized in that: A notch (9) is provided at the bottom of the flap (10), and both ends of the rotating rod (15) are fixedly connected to the flap (10) via the notch (9).

7. The railway overhead working mechanism according to claim 1, characterized in that: The rotary spring (16) is embedded in the interior of the clamping block (8), and the flap (10) is rotatably connected to the housing (2) via a rotating rod (15) and the rotary spring (16).