Multi-dimensional shifting trolley for small-radius large-span movable formwork

Abstract

The invention provides a multi-dimensional shifting trolley for a small-radius and large-span movable formwork, and belongs to the technical field of bridge construction.The trolley is characterized in that an upper-layer rotating seat is arranged on a trolley base, and two arc-shaped supporting sliding seat modules are symmetrically arranged on the upper-layer rotating seat and used for stably supporting the formwork when the formwork is moved; a guide catch wheel module is arranged on the outer side of the arc-shaped supporting sliding seat module and is used for making rolling contact with the outer wall of the mold frame; a longitudinal movement driving mechanism is arranged on the upper-layer rotating seat and is used for driving the mold frame to move longitudinally; a transverse movement driving mechanism is arranged on the trolley base and used for driving the trolley to move transversely; a lifting main jacking oil cylinder supporting base is further arranged on the upper-layer rotating base and used for supporting a lifting main jacking oil cylinder. The displacement trolley can drive the formwork to move in the longitudinal direction, the transverse direction and the vertical direction, is used for achieving dynamic adjustment of a walking curve track when the formwork longitudinally moves through a hole in a small curve, and is easy and convenient to operate and high in adaptability.

Description

Technical Field

[0001] The invention belongs to the technical field of offshore highway bridge construction, and in particular relates to a multi-dimensional shifting trolley for a small-radius and large-span mobile formwork. Background Art

[0002] Mobile formwork construction is an efficient method for cast-in-place bridge box girders. It has been widely used in bridge construction and has become a core piece of equipment. After a section of bridge is cast, the formwork needs to be moved to the next construction location. This requires a specialized formwork shifting trolley to move the formwork's main longitudinal beams. Over the course of its development, to improve project adaptability and accommodate diverse bridge types, mobile formwork has evolved into various structures and forms. However, its application in small-radius (<600m) and long-span bridges remains significantly limited. Small curve radii lead to significant trajectory deviation when the mobile formwork is moved longitudinally through holes. Current shifting trolleys have limited curve path adaptability, making positioning difficult and posing a high safety risk. The use of a three-dimensional translation trolley for mobile formwork combines vertical lifting, horizontal movement, and longitudinal motion. It focuses on dynamically adjusting the longitudinal trajectory of the mobile formwork during narrow curve passages, significantly reducing lateral deviation and improving safety. Its ease of operation and strong adaptability overcome the limitations of mobile formwork technology for small-radius, long-span bridge construction. Summary of the Invention

[0003] The present invention aims to overcome the shortcomings of the prior art by providing a multi-dimensional shifting trolley for mobile formwork with a small radius and large span. This trolley can drive the formwork in three dimensions: longitudinal, transverse, and vertical. It provides strong support for the formwork during movement and adapts to the formwork's pitch and yaw angles, enabling dynamic adjustment of the formwork's trajectory when moving through small curves. It offers ease of operation and strong adaptability.

[0004] The present invention is achieved through the following technical solutions: A multi-dimensional shifting trolley for a small-radius, large-span mobile formwork, comprising a trolley base, an upper rotating seat, an arc-shaped supporting slide module, a guide wheel module, and a longitudinal drive mechanism and a transverse drive mechanism; The upper rotating seat is mounted on the trolley base via a vertical rotating shaft; lower hooking units are provided on the longitudinal front and rear sides of the trolley base, and the lower hooking units are used to hook on the flanges of the supporting legs beside the pier; There are two arc-shaped supporting slide modules, which are symmetrically arranged on the left and right sides of the upper rotating seat. The structure of the arc-shaped supporting slide module is as follows: it includes a slide and a slide mounting seat, the top surface of the slide is flat, the bottom surface of the slide is arc-shaped, the slide is mounted in the slide mounting seat, and the slide mounting seat is fixedly mounted on the upper rotating seat, an arc-shaped supporting plate is provided inside the slide mounting seat, and the arc-shaped bottom surface of the slide is in surface contact with the arc-shaped supporting plate; an arc-shaped long through hole is provided on the side plate of the slide mounting seat, and a corresponding boss is provided on the side wall of the slide, and the boss is inserted into the arc-shaped long through hole; A guide wheel module is arranged on the outside of the arc-shaped support slide module, and the guide wheel module is used to make rolling contact with the outer wall of the mold base; A first connecting lug is provided on the upper rotating seat for connecting to a longitudinal driving mechanism, which is used to drive the mold frame to move longitudinally; A second connecting lug is provided on the trolley base for connecting to a transverse driving mechanism, which is used to drive the trolley to move transversely, adjust the transverse position of the trolley, and further adjust and adapt the transverse position of the mold frame; A lifting main top oil cylinder support seat is also provided on the upper rotating seat, and the lifting main top oil cylinder support seat is used to support the lifting main top oil cylinder.

[0005] In the above technical solution, the vertical rotating shaft is located in the middle of the trolley base and the upper rotating seat.

[0006] In the above technical solution, the slide mounting seat is a rectangular box structure with an open upper end. At least two downwardly protruding positioning columns are provided on the bottom plate of the slide mounting seat, and corresponding positioning holes are provided on the upper rotating seat. The positioning columns are embedded in the positioning holes to realize the positioning of the slide mounting seat and the upper rotating seat, and the slide mounting seat and the upper rotating seat are welded and fixed.

[0007] In the above technical solution, there are four guide wheel modules, which are respectively arranged at the four corners of the upper rotating seat, and two guide wheel modules are arranged on the outer side of each arc-shaped supporting slide module.

[0008] In the above technical solution, the structure of the guide wheel block module is: it includes a vertical shaft, a lower shaft sleeve, an upper shaft sleeve, a limit plate, a wheel block mounting seat and a sleeve, the vertical shaft is vertically fixedly installed on the wheel block mounting seat, the lower shaft sleeve and the upper shaft sleeve are sleeved on the vertical shaft, wherein the bottom end of the lower shaft sleeve is in contact with the stepped surface of the vertical shaft, the sleeve is installed on the lower shaft sleeve and the upper shaft sleeve, and the limit plate is fixedly installed on the top end of the vertical shaft by bolts.

[0009] In the above technical solution, the longitudinal drive mechanism includes a longitudinal drive cylinder and a longitudinal connection frame connected to the front end of the longitudinal drive cylinder, and the longitudinal connection frame is used to connect to the bottom rail of the mold frame.

[0010] In the above technical solution, the transverse driving mechanism includes a transverse driving cylinder and a transverse connecting frame connected to the front end of the transverse driving cylinder.

[0011] In the above technical solution, the transverse connecting frame includes four arms, and a hooking structure is provided at the end of each arm. The hooking structure is connected to the end of the arm by bolts and is used to hook on the flange of the pier support leg.

[0012] In the above technical solution, a vertical positioning pin is also provided in the middle position of the transverse connecting frame, which is used to insert into the pin hole on the top of the pier support leg to realize the fixed connection between the transverse connecting frame and the pier support leg, and then drive the trolley to move horizontally through the action of the transverse driving cylinder.

[0013] The advantages and beneficial effects of the present invention are: The multi-dimensional shifting trolley for a small-radius, large-span mobile formwork of the present invention can realize the movement of the formwork in three dimensions: longitudinal, transverse, and vertical, and can provide strong support for the formwork when moving it, as well as adapt to the pitch angle and deflection angle of the formwork. This multi-dimensional shifting trolley solves the limitations of mobile formwork in cast-in-place box girders with small radius and large span. During the movement of the mobile formwork through the curved hole, it can dynamically adjust the longitudinal movement trajectory, significantly reduce the lateral deviation during the movement, and further expand the construction applicability of the mobile formwork technology. It also has a simple structure, is easy to install and disassemble, and has high safety. It provides an industrialized solution for the construction of small-radius, large-span bridge projects, and has a good effect on improving construction efficiency, economic benefits, and ecological protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an elevation view of the multi-dimensional shifting trolley of the present invention.

[0015] Figure 2 It is a top view of the multi-dimensional shifting trolley of the present invention.

[0016] Figure 3 It is a side view of the multi-dimensional shifting trolley of the present invention.

[0017] Figure 4 It is a structural schematic diagram of the slide seat of the multi-dimensional shifting trolley of the present invention.

[0018] Figure 5 It is a structural schematic diagram of the slide mounting seat of the multi-dimensional shifting trolley of the present invention.

[0019] Figure 6 It is a structural schematic diagram of the guide wheel module of the multi-dimensional shifting trolley of the present invention.

[0020] Figure 7 It is a schematic top view of the structure of the transverse shift drive mechanism of the multi-dimensional shift trolley of the present invention.

[0021] Figure 8 It is a schematic elevational structural diagram of the transverse shifting drive mechanism of the multi-dimensional shifting trolley of the present invention.

[0022] Figure 9 It is a cross-sectional schematic diagram of an application scenario of the multi-dimensional shifting trolley of the present invention.

[0023] Figure 10 It is a front view schematic diagram of an application scenario of the multi-dimensional shifting trolley of the present invention.

[0024] Figure 11 It is an enlarged schematic diagram of the longitudinal shift state in the application scenario of the multi-dimensional shift trolley of the present invention.

[0025] Figure 12 It is an enlarged schematic diagram of the lifting main top cylinder in the supporting state in the application scenario of the multi-dimensional shift trolley of the present invention. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions of the present invention are further described below with reference to specific embodiments.

[0027] A multi-dimensional shifting trolley for a small radius and large span mobile formwork, see attached Figure 1 -Attached Figure 3 , including a trolley base 1, an upper rotating seat 2, an arc-shaped support slide module 3, a guide wheel module 4, a longitudinal drive mechanism 5 and a transverse drive mechanism 6.

[0028] The upper rotating seat 2 is mounted on the trolley base 1 via a vertical rotating shaft 7. Further, preferably, the trolley base 1 and the upper rotating seat 2 are both rectangular frame structures, and the vertical rotating shaft 7 is located in the middle of the trolley base 1 and the upper rotating seat 2.

[0029] A lower hooking unit 12 (the lower hooking unit 12 is connected to the trolley base 1 by bolts) is provided at the bottom of the longitudinal front and rear sides (the longitudinal direction refers to the direction of the main longitudinal beam of the formwork) of the trolley base 1. The lower hooking unit 12 is used to hook on the flange of the supporting leg beside the pier.

[0030] There are two arc-shaped support slide modules 3, which are symmetrically arranged on the left and right sides of the upper rotating seat 2. The arc-shaped support slide module 3 is used to provide support for the mold frame (when the mold frame needs to be moved, the mold frame falls on the arc-shaped support slide module 3), and the arc-shaped support slide module 3 can also adapt to the pitch angle change of the mold frame to provide stable support for the mold frame. For details, see the attached Figure 4 and attached Figure 5The structure of the arc-shaped supporting slide module 3 is: it includes a slide 31 and a slide mounting seat 32, the top surface of the slide 31 is flat, and the bottom surface of the slide 31 is arc-shaped. The slide 31 is installed in the slide mounting seat 32, and the slide mounting seat 32 is fixedly installed on the upper rotating seat 2. An arc-shaped support plate 321 is provided inside the slide mounting seat 32, and the arc-shaped bottom surface of the slide 31 is in surface-to-surface contact with the arc-shaped support plate 321, so that the arc-shaped support plate 321 can provide sufficient support for the slide 31 (surface-to-surface contact, providing sufficient force-bearing surface), and the slide 31 can also slide in an arc direction along the arc-shaped support plate 321, thereby adapting to the change in the pitch angle of the mold frame during movement. Furthermore, the slide mounting seat 32 is a rectangular box structure with an open upper end. At least two downwardly protruding positioning columns 322 are provided on the bottom plate of the slide mounting seat 32, and corresponding positioning holes are provided on the upper rotating seat 2. The positioning columns 322 are embedded in the positioning holes to realize the positioning of the slide mounting seat 32 and the upper rotating seat 2, and the slide mounting seat 32 and the upper rotating seat 2 are welded and fixed; an arc-shaped long through hole 323 is provided on the side plate of the slide mounting seat 32 as a sliding limit hole, and a corresponding boss 311 is provided on the side wall of the slide 31, and the boss 311 is inserted into the arc-shaped long through hole 323 to prevent the slide 31 from falling out of the slide mounting seat 32.

[0031] The number of the guide wheel modules 4 is preferably four, respectively arranged at the four corners of the upper rotating seat 2, with two guide wheel modules 4 arranged on the outside of each arc-shaped support slide module 3. When the mold frame needs to be moved, the mold frame descends onto the slide 31, and the guide wheel modules 4 are used to roll against the outer wall of the mold frame. As the mold frame moves forward in a curved shape (the mold frame itself deflects), the outer wall of the mold frame applies a force to the guide wheel modules 4, which in turn drives the upper rotating seat 2 to adaptively rotate around the vertical rotation axis 7 to adapt to the real-time deflection angle of the mold frame.

[0032] For further information, see the attached Figure 6As a preferred solution, the structure of the guide wheel block module 4 is as follows: it includes a vertical shaft 41, a lower shaft sleeve 421, an upper shaft sleeve 422, a limit plate 43, a wheel block mounting seat 44 and a sleeve 45. The wheel block mounting seat 44 is a box structure. The upper plate and the lower plate of the wheel block mounting seat 44 are provided with shaft holes. The vertical shaft 41 is vertically fixedly installed in the shaft hole of the wheel block mounting seat 44 (the vertical shaft 41 and the upper plate and the lower plate of the wheel block mounting seat 44 are welded); the vertical shaft 41 is a stepped shaft, the lower shaft sleeve 42 1 and the upper shaft sleeve 422 are sleeved on the vertical shaft 41, wherein the bottom end of the lower shaft sleeve 421 contacts the stepped surface 411 of the vertical shaft 41, and the sleeve 45 is installed on the lower shaft sleeve 421 and the upper shaft sleeve 422. The sleeve 45 determines the distance between the lower shaft sleeve 421 and the upper shaft sleeve 422. The limit plate 43 is fixed to the top of the vertical shaft 41 by the bolt 46, and the limit plate 43 positions the upper shaft sleeve 422. During operation, the sleeve 45 can rotate and make rolling contact with the outer wall of the mold frame.

[0033] The upper rotating seat 2 is provided with a first connecting lug 21 for connecting to the longitudinal drive mechanism 5, which is used to drive the mold frame to move longitudinally. In particular, the longitudinal drive mechanism 5 includes a longitudinal drive cylinder 51 and a longitudinal connection frame 52 connected to the front end of the longitudinal drive cylinder 51. The longitudinal connection frame 52 is slidably mounted on the bottom rail of the mold frame (which will be discussed later in conjunction with the attached drawings). Figure 11 Detailed introduction), and positioning holes are arranged at equal intervals along the length direction of the track, and the longitudinal connecting frame 52 is plugged into different positioning holes on the track through a pin shaft, and then the longitudinal driving cylinder 51 is activated to drive the mold frame to move step by step (when moving, the longitudinal connecting frame 52 is first connected to the positioning holes on the bottom track of the mold frame through a pin shaft, and then the longitudinal driving cylinder 51 is activated to achieve one-step movement, and then the pin shaft is pulled out to reset the longitudinal driving cylinder 51. After resetting, the longitudinal connecting frame 52 is reconnected to the positioning holes on the bottom track of the mold frame through the pin shaft, and the longitudinal driving cylinder 51 is activated again to achieve the next step of movement. The above operations are repeated to achieve the step-by-step movement of the mold frame by the longitudinal driving cylinder 51).

[0034] A second connecting lug 11 is provided on the trolley base 1 for connecting to the transverse drive mechanism 6. The transverse drive mechanism 6 is used to drive the trolley to move transversely, adjust the transverse position of the trolley, and further adjust and adapt the transverse position of the mold frame. Figure 7 and attached Figure 8The transverse driving mechanism 6 includes a transverse driving cylinder 61 and a transverse connecting frame 62 connected to the front end of the transverse driving cylinder 61. The transverse connecting frame 62 is K-shaped and includes four support arms, two of which are symmetrical and arranged in a straight line, and the other two are symmetrical and inclined. A hook structure 63 is provided at the end of each support arm of the transverse connecting frame 62. The hook structure 63 is connected to the end of the support arm by bolts and is used to hook on the flange of the pier support leg. A vertical positioning pin 64 is also provided in the middle position of the transverse connecting frame 62, and a plurality of pin holes are arranged laterally on the top of the pier support leg. The positioning pins 64 are inserted into the pin holes to realize the fixed connection between the transverse connecting frame 62 and the pier support leg, and then the transverse driving cylinder 61 is actuated to drive the trolley to move laterally.

[0035] The upper rotary seat 2 is also provided with a lifting main top oil cylinder support seat 22 (see attached Figure 2 ), the lifting main top oil cylinder support seat 22 is used to support the lifting main top oil cylinder 8 (see attached Figure 12 ). The top of the lifting main top oil cylinder 8 is connected to the mold frame, which is used to support the mold frame and control the lifting of the mold frame through the lifting main top oil cylinder. Furthermore, since the lifting main top oil cylinder needs to stably support the mold frame, the lifting main top oil cylinder support seat 22 at the bottom of the lifting main top oil cylinder must have sufficient supporting strength. For this purpose, see the attached Figure 1 In the present invention, a plurality of upper vertical pressure-bearing ribs 23 are arranged at the lower part of the lifting main top oil cylinder support seat 22 of the upper rotating seat 2, and a plurality of lower vertical pressure-bearing ribs 13 are arranged inside the trolley base 1.

[0036] See attached Figure 9 -Attached Figure 12 , is a schematic diagram of an application scenario of the trolley of the present invention.

[0037] When in use, the shift trolley 100 of the present invention is placed on the pier support leg 200, and the lower hook unit 12 of the shift trolley 100 is hooked with the top flange of the pier support leg 200 (see attached Figure 11 A formwork frame 300 is positioned above the shifting trolley 100. (The formwork frame 300 comprises two main longitudinal beams, with a crossbeam positioned between them. The upper portion of the crossbeam supports the formwork used to cast the box beams of the bridge.) A main lifting cylinder 8 is positioned within the main longitudinal beams of the formwork frame 300. The top of the main lifting cylinder 8 is connected to the main longitudinal beams of the formwork frame 300.

[0038] In the construction state where the formwork serves as the supporting foundation, see the attached Figure 12 , the lifting main top oil cylinder 8 is in an extended support state, and at this time the bottom end of the lifting main top oil cylinder 8 is supported on the lifting main top oil cylinder support seat 22 of the trolley 100.

[0039] When it is necessary to move the mold frame 300 longitudinally, see the attached Figure 11 The main lifting cylinder 8 is retracted, supporting the main longitudinal beam of the mold frame on the arc-shaped support slide module 3 of the trolley 100. At this time, the bottom end of the main lifting cylinder 8 is separated from the trolley 100. The longitudinal connecting frame 52 of the longitudinal driving mechanism 5 of the trolley 100 is connected to the positioning hole on the bottom track 301 of the mold frame 300 via the pin 55. The longitudinal driving cylinder 51 of the longitudinal driving mechanism 5 is used to drive the mold frame 300 to move longitudinally. During the movement, the arc-shaped support slide module 3 of the trolley 100 provides sliding support for the mold frame 300.

[0040] During the longitudinal movement of the formwork, if the formwork needs to curve and turn through a hole (the "hole" here refers to the span or bridge span space between the piers, and the space between one pier and the next pier is a "hole"), the trolley's transverse drive mechanism 6 can be used to drive the trolley 100 to move laterally along the pier support leg 200, and then the trolley 100 drives the formwork to produce a lateral offset through the guide wheel module 4 to adapt to the lateral position change requirements when the main longitudinal beam of the formwork curves and passes through the hole, and the guide wheel module 4 will also drive the upper rotating seat 2 to adaptively rotate around the vertical rotating shaft 7 to adapt to the real-time deflection angle of the main longitudinal beam of the formwork when it curves and passes through the hole.

[0041] For ease of explanation, spatial relative terms such as "upper", "lower", "left", and "right" are used in the embodiments to illustrate the relationship between one element or feature shown in the figures and another element or feature. It should be understood that, in addition to the orientation shown in the figures, spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figure is inverted, the element described as being "under" other elements or features will be positioned "above" other elements or features. Therefore, the exemplary term "under" can include both upper and lower orientations. The device can be positioned in other ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used here can be interpreted accordingly.

[0042] Moreover, relational terms such as “first” and “second” are merely used to distinguish one component from another having the same name, but do not necessarily require or imply any actual relationship or order between these components.

[0043] The above is an exemplary description of the present invention. It should be noted that, without departing from the core of the present invention, any simple deformation, modification or other equivalent replacement that can be made by other skilled in the art without expending creative labor falls within the scope of protection of the present invention.

Claims

1. A multi-dimensional shifting trolley for a small-radius, large-span mobile formwork, characterized by: It includes a trolley base, an upper rotating seat, an arc-shaped support slide module, a guide wheel module, and a longitudinal drive mechanism and a transverse drive mechanism; The upper rotating seat is mounted on the trolley base via a vertical rotating shaft; lower hooking units are provided on the longitudinal front and rear sides of the trolley base, and the lower hooking units are used to hook on the flanges of the supporting legs beside the pier; There are two arc-shaped supporting slide modules, which are symmetrically arranged on the left and right sides of the upper rotating seat. The structure of the arc-shaped supporting slide module is as follows: it includes a slide and a slide mounting seat, the top surface of the slide is flat, the bottom surface of the slide is arc-shaped, the slide is mounted in the slide mounting seat, and the slide mounting seat is fixedly mounted on the upper rotating seat, an arc-shaped supporting plate is provided inside the slide mounting seat, and the arc-shaped bottom surface of the slide is in surface contact with the arc-shaped supporting plate; an arc-shaped long through hole is provided on the side plate of the slide mounting seat, and a corresponding boss is provided on the side wall of the slide, and the boss is inserted into the arc-shaped long through hole; A guide wheel module is arranged on the outside of the arc-shaped support slide module, and the guide wheel module is used to make rolling contact with the outer wall of the mold base; A first connecting lug is provided on the upper rotating seat for connecting to a longitudinal driving mechanism, which is used to drive the mold frame to move longitudinally; A second connecting lug is provided on the trolley base for connecting to a transverse driving mechanism, which is used to drive the trolley to move transversely, adjust the transverse position of the trolley, and further adjust and adapt the transverse position of the mold frame; A lifting main top oil cylinder support seat is also provided on the upper rotating seat, and the lifting main top oil cylinder support seat is used to support the lifting main top oil cylinder.

2. The multi-dimensional shifting trolley for a small-radius, large-span mobile formwork according to claim 1 is characterized in that: The vertical rotating shaft is located in the middle of the trolley base and the upper rotating seat.

3. The multi-dimensional shifting trolley for a small-radius, large-span mobile formwork according to claim 1 is characterized in that: The slide mounting seat is a rectangular box structure with an open upper end. At least two downwardly protruding positioning columns are provided on the bottom plate of the slide mounting seat, and corresponding positioning holes are provided on the upper rotating seat. The positioning columns are embedded in the positioning holes to realize the positioning of the slide mounting seat and the upper rotating seat, and the slide mounting seat and the upper rotating seat are welded and fixed.

4. The multi-dimensional shifting trolley for a small-radius, large-span mobile formwork according to claim 1 is characterized in that: There are four guide and blocking wheel modules, which are respectively arranged at the four corners of the upper rotating seat, and two guide and blocking wheel modules are arranged on the outer side of each arc-shaped supporting slide module.

5. The multi-dimensional shifting trolley for a small-radius, large-span mobile formwork according to claim 1 is characterized in that: The structure of the guide wheel block module is as follows: it includes a vertical shaft, a lower shaft sleeve, an upper shaft sleeve, a limit plate, a wheel block mounting seat and a sleeve. The vertical shaft is vertically fixedly mounted on the wheel block mounting seat, and the lower shaft sleeve and the upper shaft sleeve are sleeved on the vertical shaft, wherein the bottom end of the lower shaft sleeve abuts against the stepped surface of the vertical shaft, the sleeve is mounted on the lower shaft sleeve and the upper shaft sleeve, and the limit plate is fixedly mounted on the top end of the vertical shaft by bolts.

6. The multi-dimensional shifting trolley for a small-radius, large-span mobile formwork according to claim 1 is characterized in that: The longitudinal driving mechanism includes a longitudinal driving cylinder and a longitudinal connecting frame connected to the front end of the longitudinal driving cylinder. The longitudinal connecting frame is used to connect the bottom track of the mold frame.

7. The multi-dimensional shifting trolley for a small-radius, large-span mobile formwork according to claim 1 is characterized in that: The transverse driving mechanism comprises a transverse driving oil cylinder and a transverse connecting frame connected to the front end of the transverse driving oil cylinder.

8. The multi-dimensional shifting trolley for a small-radius, large-span mobile formwork according to claim 7 is characterized in that: The transverse connecting frame includes four arms, and a hook structure is respectively provided at the end of each arm. The hook structure is connected to the end of the arm through bolts and is used to hook on the flange of the pier support leg.

9. The multi-dimensional shifting trolley for a small-radius, large-span mobile formwork according to claim 8, characterized in that: A vertical positioning pin is also provided in the middle of the transverse connecting frame for inserting into the pin hole on the top of the pier support leg to achieve a fixed connection between the transverse connecting frame and the pier support leg.

Images