Integral type high box culvert piece crane with overturning function

By designing an integrated high box culvert crane with a flipping function, the problem that existing technologies cannot meet the lifting needs of ultra-large diameter tunnel projects has been solved. This has enabled efficient and stable lifting and flipping of box culvert components, improving construction efficiency and reducing costs.

CN223804771UActive Publication Date: 2026-01-16CHINA RAILWAY CONSTR HEAVY IND
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Patent Information

Application Number
CN202520569974.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-01-16
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing integrated box culvert cranes cannot meet the hoisting needs of high box culvert components in ultra-large diameter tunnel projects, especially the requirements for flipping and hoisting in confined spaces.

Method used

An integrated high box culvert crane with a flipping function was designed, including a trolley traveling frame, a transverse trolley frame, a box culvert lifting device, and a lifting and flipping mechanism. The lifting and flipping mechanisms are used to lift and flip the box culvert. The box culvert lifting device includes a support frame, a gripping device, and a guiding mechanism to ensure stable gripping and lowering.

Benefits of technology

This technology enables the stable hoisting of integral high box culvert components within a limited space, improving construction efficiency, reducing construction costs, and avoiding damage to the box culvert components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tunnel construction, in particular to an integral type high box culvert piece crane with a turnover function, which comprises a cart walking frame, a transverse moving frame, a box culvert lifting appliance and a lifting turnover mechanism, the cart walking frame is arranged on a trailer track, and the transverse moving frame is connected onto the cart walking frame in a sliding manner; the lifting and overturning mechanism comprises a lifting mechanism and an overturning mechanism, and the lifting mechanism and the overturning mechanism are connected with the box culvert lifting tool and used for lifting and overturning the box culvert piece. The box culvert lifting appliance comprises a bearing frame, a grabbing device and a guide mechanism, the grabbing device is arranged on the bearing frame, and the guide mechanism is arranged on the inner side face of the bearing frame. According to the box culvert piece crane provided by the utility model, the lifting and overturning mechanism is arranged, so that the lifting and overturning of the box culvert piece can be realized, and the lifting requirement on the integral high box culvert piece in a limited space can be met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel construction technical field, concretely relates to a whole high box culvert piece crane with turnover function. BACKGROUND

[0002] At present, with the development requirement of the state vigorously promoting the construction of urban river-crossing passage, cross-sea tunnel, intercity railway tunnel, airport rapid line, the demand of super large diameter full-face tunneling machine with diameter above 12m is increasing, and such super large diameter tunnel engineering generally has the requirement of synchronous assembly of prefabricated box culvert piece and pipe piece.

[0003] When the super large diameter tunnel is constructed in the case of large box culvert height size, prefabricated middle box culvert is often used and synchronous assembly is carried out in the shield section, and steel skeleton is built and side box culvert is poured in the later period, this construction method is time-consuming and laborious, the construction efficiency is low, and the construction cost is high, based on the above, in some existing construction methods, prefabricated whole box culvert is used for synchronous assembly in the shield section, and the existing whole box culvert crane (such as the crane disclosed in publication No. CN113979320A) can only realize vertical lifting and horizontal rotation, and cannot meet the hoisting requirements of whole high box culvert piece in limited space.

[0004] Based on the above, it is urgent to design a whole high box culvert piece crane with turnover function to solve the problems in the prior art. INVENTION CONTENTS

[0005] The utility model aims at providing a whole high box culvert piece crane with turnover function, and the specific technical scheme is as follows:

[0006] A whole high box culvert piece crane with turnover function, comprising a cart walking frame, a transverse moving frame, a box culvert lifting appliance and a lifting and turnover mechanism, the cart walking frame is arranged on a trailer track, and the transverse moving frame is slidingly connected to the cart walking frame;

[0007] The lifting and turnover mechanism comprises a lifting mechanism and a turnover mechanism, and the lifting mechanism and the turnover mechanism are connected with the box culvert lifting appliance respectively, and are used for realizing the lifting and turnover of the box culvert piece;

[0008] The box culvert lifting appliance comprises a bearing frame, a grabbing device and a guide mechanism, the grabbing device is arranged on the bearing frame, and the guide mechanism is arranged on the inner side surface of the bearing frame.

[0009] Further, the lifting mechanism comprises a lifting winch, a lifting steel wire rope, a lifting pulley block, a lifting drum and a lifting hook, the lifting winch and the lifting pulley block are separately arranged on the transverse moving frame, the lifting hook is arranged on the end of the bearing frame, the lifting drum is connected with the lifting winch through a shaft coupling, one end of the lifting steel wire rope is connected with the lifting drum, and the other end of the lifting steel wire rope is fixedly connected to the transverse moving frame after passing through the lifting pulley block and the lifting hook.

[0010] The overturning mechanism comprises an overturning winch, an overturning steel wire rope, an overturning pulley block, an overturning drum and an overturning hook, the overturning winch and the overturning pulley block are separately arranged on the transverse moving frame, the overturning hook is arranged on the end of the bearing frame away from the lifting hook, the overturning drum is connected with the overturning winch through a shaft coupling, one end of the overturning steel wire rope is connected with the overturning drum, and the other end of the overturning steel wire rope is fixedly connected to the transverse moving frame after passing through the overturning pulley block and the overturning hook.

[0011] Further, the lifting pulley block and the overturning pulley block each comprise at least two fixed pulleys and two movable pulleys; the lifting hook and the overturning hook are each hinged to the box culvert lifting appliance.

[0012] Further, the overturning winch is provided with one, and is of a double-steel wire rope structure; the lifting winch is provided with two, and is of a single-steel wire rope structure.

[0013] Further, the bearing frame is a C-shaped steel structural member, and a protection member is arranged on the inner side of the bearing frame in contact with the box culvert member.

[0014] Further, the grabbing device comprises a plurality of pin oil cylinders arranged on the inner side of the bearing frame, the extension end of the pin oil cylinder is connected with a lifting pin shaft, and the lifting pin shaft is matched with a lifting pin hole arranged on the side wall of the box culvert member.

[0015] Further, the pin oil cylinder is provided with three and is distributed in a triangular shape on the inner side of the bearing frame.

[0016] Further, the guide mechanism comprises a guide rubber wheel arranged along the inner side of the bearing frame.

[0017] Further, the walking frame is provided with a walking driving mechanism, passive wheel boxes are symmetrically arranged on the two sides of the walking frame, and the walking driving mechanism is used for driving the walking frame to move along the trailer track.

[0018] Further, the walking frame is provided with at least two transverse moving oil cylinders, the fixed end of the transverse moving oil cylinder is fixedly connected with the walking frame, and the extension end of the transverse moving oil cylinder is fixedly connected with the transverse moving frame.

[0019] The technical scheme of the utility model has the following beneficial effects:

[0020] (1) The utility model provides a whole high box culvert piece crane with turnover function, including cart walking frame, transverse moving frame, box culvert lifting appliance and hoisting turnover mechanism, the cart walking frame sets up on trailer track, the transverse moving frame is connected in the cart walking frame slidingly, the hoisting turnover mechanism includes hoisting mechanism and turnover mechanism, and hoisting mechanism and turnover mechanism are connected with box culvert lifting appliance respectively, are used for realizing the hoisting and turnover of box culvert piece, the box culvert lifting appliance includes bearing frame, grabbing device and guide mechanism, the grabbing device sets up on bearing frame, and the guide mechanism sets up in the inside face of bearing frame, the box culvert piece crane provided by the utility model can realize the hoisting and turnover of box culvert piece through setting up hoisting turnover mechanism, satisfies the hoisting demand of whole high box culvert piece in limited space.

[0021] (2) In the utility model, the box culvert lifting appliance includes bearing frame, grabbing device and guide mechanism, the grabbing device sets up on bearing frame, the guide mechanism sets up in the inside face of bearing frame, realizes the stable grabbing of box culvert piece through grabbing mechanism, realizes the stable down of box culvert lifting appliance to the grabbing position of box culvert piece through guide mechanism.

[0022] (3) In the utility model, the grabbing device includes multiple plug pin oil cylinders set up in the inside of bearing frame, the telescopic end of plug pin oil cylinder is connected with lifting pin shaft, the lifting pin shaft is matched with the lifting pin hole set up on the side wall of box culvert piece, plug pin oil cylinder is set up with three, is distributed in the inside of bearing frame in triangle, improves the stability of box culvert piece grabbing.

[0023] (4) In the utility model, the inside of bearing frame and the part of box culvert piece contact are provided with protection piece, prevent the damage of box culvert lifting appliance to box culvert piece when grabbing box culvert piece.

[0024] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. Below, referring to the drawings, the utility model will be further explained in detail. BRIEF DESCRIPTION OF DRAWINGS

[0025] The drawings that form a part of this application are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation to the utility model. In the drawings:

[0026] Figure 1 It is the whole structure schematic diagram of whole high box culvert piece crane with turnover function;

[0027] Figure 2 It is the top view of Figure 1 ;

[0028] Figure 3is a state schematic diagram of the box culvert piece hoist machine hoisting the box culvert piece before the box culvert piece is hoisted by the box culvert piece hoist machine;

[0029] Figure 4 is Figure 3 a longitudinal sectional view;

[0030] Figure 5 is a state schematic diagram of the box culvert piece hoist machine hoisting the box culvert piece before the box culvert piece is hoisted by the box culvert piece hoist machine;

[0031] Figure 6 is a state schematic diagram of the box culvert piece horizontal hoisting;

[0032] Figure 7 is a state schematic diagram of the box culvert piece lowering and overturning;

[0033] Wherein, 1, the cart walking frame, 2, the transverse moving frame, 3, the trailer track, 4, the box culvert hoist, 4.1, the bearing frame, 4.2, the grabbing device, 4.2.1, the latch oil cylinder, 4.2.2, the lifting pin shaft, 4.3, the guide mechanism, 5, the lifting mechanism, 5.1, the lifting winch, 5.2, the lifting steel wire rope, 5.3, the lifting pulley set, 5.4, the lifting drum, 5.5, the lifting hook, 6, the overturning mechanism, 6.1, the overturning winch, 6.2, the overturning steel wire rope, 6.3, the overturning pulley set, 6.4, the overturning drum, 6.5, the overturning hook, 7, the walking driving mechanism, 8, the passive wheel box, 9, the transverse moving oil cylinder, 10, the flat car, 11, the box culvert piece, 12, the slewing mechanism, 13, the assembled box culvert piece. DETAILED DESCRIPTION

[0034] The embodiments of the present application will be described in detail below with reference to the drawings. However, the present application can be implemented in various different ways as defined and covered.

[0035] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0036] In addition, the terms "first", "second", and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "multiple" is two or more.

[0037] Embodiment

[0038] Referring to Figure 1 and Figure 2 , the embodiment provides a whole high-box culvert piece crane with overturning function, comprising a cart walking frame 1, a transverse moving frame 2, a box culvert lifting tool 4 and a lifting and overturning mechanism.

[0039] The cart walking frame 1 is arranged on a trailer track 3, a walking driving mechanism 7 (a driving motor or a hydraulic motor) is arranged on the cart walking frame 1, passive wheel boxes 8 are symmetrically arranged on both sides of the cart walking frame 1 along the extension direction of the tunnel, rollers are arranged in the passive wheel boxes 8, the rollers are located on the trailer track 3, and the walking driving mechanism 7 drives the cart walking frame 1 to move along the extension (length) direction of the tunnel on the rollers on the trailer track 3.

[0040] The transverse moving frame 2 is slidably connected to the cart walking frame 1; referring to Figure 2 , at least two transverse moving oil cylinders 9 are arranged on the cart walking frame 1, fixed ends of the transverse moving oil cylinders 9 are fixedly connected to the cart walking frame 1, and telescopic ends of the transverse moving oil cylinders 9 are fixedly connected to the transverse moving frame 2, so that the transverse moving oil cylinders 9 realize the transverse (along the width direction of the tunnel) movement of the transverse moving frame 2 on the cart walking frame 1.

[0041] The lifting and overturning mechanism comprises a lifting mechanism 5 and an overturning mechanism 6, the lifting mechanism 5 and the overturning mechanism 6 are connected to the box culvert lifting tool 4 respectively, and are used for realizing the lifting and overturning of the box culvert piece.

[0042] Referring to Figure 1 , the box culvert lifting tool 4 comprises a bearing frame 4.1, a grabbing device 4.2 and a guide mechanism 4.3, the grabbing device 4.2 is arranged on the bearing frame 4.1, and the guide mechanism 4.3 is arranged on the inner side of the bearing frame 4.1.

[0043] The bearing frame 4.1 is a C-shaped steel structural member, a protection piece, preferably a nylon pad, is arranged at a position of the inner side of the bearing frame 4.1 in contact with the box culvert piece, so as to prevent the box culvert lifting tool 4 from causing damage to the box culvert piece when the box culvert lifting tool 4 grabs the box culvert piece.

[0044] The grabbing device 4.2 comprises a plurality of pin oil cylinders 4.2.1 arranged inside the bearing frame 4.1, the telescopic end of the pin oil cylinder 4.2.1 is connected with a lifting pin shaft 4.2.2, the lifting pin shaft 4.2.2 is matched with the lifting pin hole arranged on the side wall of the box culvert piece; specifically, a support frame is arranged on the inner bottom surface of the bearing frame 4.1, the cylinder barrel of the pin oil cylinder 4.2.1 is fixed on the support frame; a guide cylinder is further arranged on the support frame, the lifting pin shaft 4.2.2 is slidingly arranged in the guide cylinder, and the telescopic end of the pin oil cylinder 4.2.1 is coaxially arranged with the lifting pin shaft 4.2.2 and the guide cylinder. The guide cylinder can guide the movement of the lifting pin shaft 4.2.2, and at the same time ensure the stable movement of the lifting pin shaft 4.2.2, so as to facilitate the accurate alignment of the lifting pin shaft 4.2.2 with the lifting pin hole on the side wall of the box culvert piece.

[0045] In the embodiment, the pin oil cylinder 4.2.1 is preferably arranged in three, and is distributed in a triangular shape inside the bearing frame 4.1, so as to improve the stability of the box culvert piece grabbed by the pin oil cylinder 4.2.1.

[0046] In the embodiment, the guide mechanism 4.3 comprises a guide rubber wheel arranged along the inner side surface of the bearing frame 4.1, when the box culvert piece is grabbed, the guide rubber wheel moves along the outer side wall of the box culvert piece, and guides the lowering of the box culvert lifting device 4 to the grabbing position of the box culvert piece.

[0047] In the embodiment, the lifting mechanism 5 comprises a lifting winch 5.1, a lifting steel wire rope 5.2, a lifting pulley block 5.3, a lifting drum 5.4 and a lifting hook 5.5, the lifting winch 5.1 and the lifting pulley block 5.3 are separately arranged on the transverse moving vehicle frame 2, the lifting hook 5.5 is arranged at the end of the bearing frame 4.1, the lifting drum 5.4 is connected with the lifting winch 5.1 through a shaft coupling, one end of the lifting steel wire rope 5.2 is connected with the lifting drum 5.4, and the other end passes through the lifting pulley block 5.3 to change the direction of the lifting steel wire rope 5.2, and is fixedly connected with the transverse moving vehicle frame 2 after passing through the lifting hook 5.5.

[0048] The overturning mechanism 6 comprises an overturning winch 6.1, an overturning steel wire rope 6.2, an overturning pulley block 6.3, an overturning drum 6.4 and an overturning hook 6.5, the overturning winch 6.1 and the overturning pulley block 6.3 are separately arranged on the transverse moving vehicle frame 2, the overturning hook 6.5 is arranged at the end of the bearing frame 4.1 away from the lifting hook 5.5, the overturning drum 6.4 is connected with the overturning winch 6.1 through a shaft coupling, one end of the overturning steel wire rope 6.2 is connected with the overturning drum 6.4, and the other end passes through the overturning pulley block 6.3 to change the direction of the overturning steel wire rope 6.2, and is fixedly connected with the transverse moving vehicle frame 2 after passing through the overturning hook 6.5.

[0049] The lifting of the box culvert lifting appliance 4 is realized by the winding and unwinding of the lifting steel wire rope 5.2 by the lifting winch 5.1, and the 90-degree counterclockwise turning of the box culvert lifting appliance 4 is realized by the winding and unwinding of the turning steel wire rope 6.2 by the turning winch 6.1.

[0050] In the embodiment, the lifting pulley block 5.3 and the turning pulley block 6.3 each preferably include at least two fixed pulleys and two movable pulleys; and the lifting hook 5.5 and the turning hook 6.5 are each hinged to the box culvert lifting appliance 4.

[0051] In the embodiment, the turning winch 6.1 is provided with one winch and is of a double-steel-wire-rope structure; and the lifting winch 5.1 is provided with two winches and is of a single-steel-wire-rope structure.

[0052] In the embodiment, the specific operation steps for hoisting and transporting the monolithic box culvert are as follows:

[0053] Step 1: The flat car 10 transports the box culvert 11 placed along the tunnel axis to the box culvert turning area at the end of the connecting bridge, and the flat car 10 is provided with a turning mechanism 12 to turn the box culvert 11 placed along the tunnel axis by 90 degrees, as shown in Figure 3 and Figure 4 .

[0054] Step 2: The box culvert hoist A walks backward to above the box culvert 11 to be assembled, and the box culvert lifting appliance 4 is lowered, the pin oil cylinder 4.2.1 is extended to drive the lifting pin shaft 4.2.2 to horizontally extend to grab the box culvert 11, as shown in Figure 5 .

[0055] Step 3: The box culvert lifting appliance 4 is horizontally lifted to a certain height above the flat car 10, and then the box culvert hoist A walks forward to the box culvert assembling area, as shown in Figure 6 .

[0056] Step 4: The turning winch 6.1 lowers the turning steel wire rope 6.2, the lifting steel wire rope 5.2 is not lowered, the box culvert lifting appliance 4 is turned counterclockwise by 90 degrees to adjust the box culvert 11 to the assembling posture, and then the turning steel wire rope 6.2 and the lifting steel wire rope 5.2 are lowered at the same time, and the box culvert lifting appliance 4 is lowered to the box culvert assembling height, as shown in Figure 7 .

[0057] Step 5: The box culvert lifting appliance 4 hoists the box culvert 11 to walk backward to contact the assembled box culvert 13, the box culvert lifting appliance 4 continues to be lowered, and the assembly of the box culvert 11 is completed, and if the box culvert 11 to be assembled and the assembled box culvert 13 exist misalignment in the left-right direction, the misalignment can be adjusted by the transverse oil cylinder 9 of the transverse car frame 2, as shown in Figure 7 .

[0058] Sixth step: withdraw the lifting pin shaft 4.2.2 on the box culvert hoist 4, release the box culvert piece 11, withdraw the overturning steel wire rope 6.2, make the box culvert hoist 4 return to the horizontal position, continue to lift the box culvert hoist 4 to the upper limit position, and move the box culvert piece hoist A as a whole in the tunneling direction backward to hoist and assemble the next box culvert piece 11.

[0059] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A monolithic high-box culvert piece crane with a turnover function, characterized by, The box culvert lifting machine with the overturning function comprises a trolley walking frame (1), a transverse moving frame (2), a box culvert lifting device (4) and a lifting and overturning mechanism, the trolley walking frame (1) is arranged on a trailer track (3), and the transverse moving frame (2) is slidably connected to the trolley walking frame (1); The lifting and overturning mechanism comprises a lifting mechanism (5) and an overturning mechanism (6), the lifting mechanism (5) and the overturning mechanism (6) are connected with the box culvert lifting device (4) respectively, and are used for lifting and overturning the box culvert. The box culvert lifting device (4) comprises a bearing frame (4.1), a grabbing device (4.2) and a guide mechanism (4.3), the grabbing device (4.2) is arranged on the bearing frame (4.1), and the guide mechanism (4.3) is arranged on the inner side of the bearing frame (4.1).

2. The box culvert lifting machine with the overturning function according to claim 1, wherein the lifting mechanism (5) comprises a lifting winch (5.1), a lifting steel wire rope (5.2), a lifting pulley block (5.3), a lifting drum (5.4) and a lifting hook (5.5), the lifting winch (5.1) and the lifting pulley block (5.3) are arranged separately on the transverse moving frame (2), the lifting hook (5.5) is arranged at the end of the bearing frame (4.1), the lifting drum (5.4) is connected with the lifting winch (5.1) through a shaft coupling, one end of the lifting steel wire rope (5.2) is connected with the lifting drum (5.4), and the other end of the lifting steel wire rope (5.2) is fixedly connected to the transverse moving frame (2) after passing through the lifting pulley block (5.3) and the lifting hook (5.5); the overturning mechanism (6) comprises an overturning winch (6.1), an overturning steel wire rope (6.2), an overturning pulley block (6.3), an overturning drum (6.4) and an overturning hook (6.5), the overturning winch (6.1) and the overturning pulley block (6.3) are arranged separately on the transverse moving frame (2), the overturning hook (6.5) is arranged on the bearing frame (4.1) and away from the lifting hook (5.5), the overturning drum (6.4) is connected with the overturning winch (6.1) through a shaft coupling, one end of the overturning steel wire rope (6.2) is connected with the overturning drum (6.4), and the other end of the overturning steel wire rope (6.2) is fixedly connected to the transverse moving frame (2) after passing through the overturning pulley block (6.3) and the overturning hook (6.5). The lifting pulley block (5.3) and the overturning pulley block (6.3) each comprise at least two fixed pulleys and two movable pulleys; the lifting hook (5.5) and the overturning hook (6.5) are hinged to the box culvert lifting device (4) respectively.

3. The monolithic high-box culvert piece hoist with a turnover function according to claim 2, characterized in that, The overturning winch (6.1) is provided with one winch and has a double-rope structure; the lifting winch (5.1) is provided with two winches and has a single-rope structure.

4. The monolithic high-box culvert piece hoist with a turnover function according to claim 2, characterized by, The bearing frame (4.1) is a C-shaped steel structural member, and a protection member is arranged at the position where the inner side of the bearing frame (4.1) contacts the box culvert.

5. The monolithic high-box culvert piece hoist with a turnover function according to claim 1, characterized in that, ​ 6. The monolithic high-box culvert piece hoist with a turnover function according to claim 1, characterized by, The grabbing device (4.2) comprises a plurality of latch oil cylinders (4.2.1) arranged inside the bearing frame (4.1), the telescopic end of the latch oil cylinder (4.2.1) is connected with a lifting pin shaft (4.2.2), and the lifting pin shaft (4.2.2) is matched with the lifting pin hole arranged on the side wall of the box culvert part.

7. The monolithic high-box culvert piece hoist with a turnover function according to claim 6, characterized by, The latch oil cylinder (4.2.1) is arranged in three, and is distributed in a triangular shape inside the bearing frame (4.1).

8. The monolithic high-box culvert piece hoist with a turnover function according to claim 1, characterized by, The guide mechanism (4.3) comprises guide rubber wheels arranged along the inner side surface of the bearing frame (4.1).

9. The monolithic high-box culvert piece hoist with a turnover function according to any one of claims 1 to 8, characterized in that, The big car walking frame (1) is provided with a walking driving mechanism (7), and the big car walking frame (1) is symmetrically provided with a passive wheel box (8) on both sides, and the walking driving mechanism (7) is used for driving the big car walking frame (1) to move along the trailer track (3).

10. The monolithic high-box culvert piece hoist with a turnover function according to any one of claims 1-8, characterized in that, The big car walking frame (1) is provided with at least two transverse moving oil cylinders (9), the fixed end of the transverse moving oil cylinder (9) is fixedly connected with the big car walking frame (1), and the telescopic end of the transverse moving oil cylinder (9) is fixedly connected with the transverse moving frame (2).

Citation Information

Patent Citations

  • Integral box culvert piece hoisting method and hoisting device

    CN113979320A