Prefabricated wall overturning tool

Abstract

The utility model discloses a prefabricated wall overturning tool which comprises a flat car, wheels installed on the two sides of one end of the lower portion of the flat car, universal wheels installed on the two sides of the other end of the lower portion of the flat car and concave frames arranged on the two sides of the flat car. The supporting transverse frame is arranged on the upper portion in the flat car and located between the two concave frames. The hinge shafts are arranged on the left and right sides of the flat car and connected through bearings; and the bidirectional adjusting turnover frame mechanism is arranged above the flat car. According to the turnover device, the first n-shaped frame and the second n-shaped frame are arranged, the device can turn over two prefabricated walls at a time, meanwhile, the weight of the device can be increased, the stability of the device in the operation process is guaranteed, then the first n-shaped frame and the second n-shaped frame are turned over in sequence, the prefabricated walls can be turned over through the turnover device, and the turnover efficiency of the prefabricated walls is improved. And therefore, the overturning difficulty of the prefabricated wall is reduced, the overturning efficiency of the prefabricated wall is improved, and the assembling safety of the prefabricated wall is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction tool technical field, especially a prefabricated wall overturning tool. BACKGROUND

[0002] In building engineering, the use of prefabricated wall is more and more extensive. However, due to the large weight of prefabricated wall, its overturning and carrying become a big problem. The existing overturning tool is often difficult to bear the overturning requirement of the wall with large weight, or the operation is complex and inefficient. For example, the mode of adopting the cooperation of lifting ring, rope and crane, the lifting ring bears large pressure, and damage problem is prone to occur. CONTENT OF THE UTILITY MODEL

[0003] To solve the problems in the above background technology, the utility model provides a prefabricated wall overturning tool.

[0004] The technical scheme of the utility model for realizing the above purpose is a prefabricated wall overturning tool, which comprises a flat car, wheels are installed on both sides of one end of the lower part of the flat car, universal wheels are installed on both sides of the other end of the lower part of the flat car, and the flat car further comprises:

[0005] A concave frame is arranged on both sides of the flat car, a hydraulic cylinder one is arranged on one side of the inside of the concave frame, a sliding block baffle is arranged on the telescopic end of the hydraulic cylinder one, a hydraulic cylinder two is arranged on one side of the sliding block baffle and is movably connected with the sliding block baffle, a hydraulic cylinder three is arranged on the other side of the inside of the concave frame, and the same sliding block baffle is arranged on the telescopic end of the hydraulic cylinder three, a hydraulic cylinder four is arranged on one side of the sliding block baffle and is movably connected with the sliding block baffle;

[0006] A support cross frame is arranged on the upper part of the inside of the flat car and is evenly distributed between the two concave frames;

[0007] Hinge shafts are arranged on the left and right sides of the flat car and are connected through bearings;

[0008] A bidirectional adjustment overturning frame mechanism is arranged on the upper part of the flat car and comprises:

[0009] A U-shaped frame one is arranged on the upper part of the flat car, support blocks are evenly arranged on the lower surface of the U-shaped frame one, the support blocks are arranged on the upper part of the support cross frame, and placing cross frames are arranged in the U-shaped frame one;

[0010] Hinge seats one are arranged on both ends of one side of the U-shaped frame one and are connected with one of the hinge shafts;

[0011] An adjustment shaft one is arranged on one side of the center of the surface of the U-shaped frame one and is movably connected with the telescopic end of the hydraulic cylinder two;

[0012] A U-shaped frame two is arranged on the upper part of the U-shaped frame one, the U-shaped frame two is provided with the same support blocks and placing cross frames as the U-shaped frame one and is symmetrically arranged on the flat car along the center line of the flat car.

[0013] The second hinge seat is installed on both ends of the second H-shaped frame and is connected with the other hinge shaft;

[0014] The second adjusting shaft is movably connected with the telescopic end of the fourth hydraulic cylinder and is installed on one side of the center of the surface of the second H-shaped frame.

[0015] Preferably, the first hydraulic cylinder and the third hydraulic cylinder are staggered, and the sliding block baffle is in sliding contact with the lower surface inside the concave frame.

[0016] Preferably, the support block of the second H-shaped frame is movably placed on the upper surface of the first H-shaped frame.

[0017] Preferably, a plurality of limiting grooves are formed in the uppermost end of the placing cross frame of the first H-shaped frame and the second H-shaped frame, and the limiting grooves are uniformly distributed.

[0018] Preferably, a pry baffle is arranged below one side of the uppermost end of the placing cross frame of the first H-shaped frame and the second H-shaped frame, a plurality of support rods are arranged on the pry baffle, the support rods correspond to the positions of the limiting grooves and are movably inserted into the limiting grooves, a fixed magnet is arranged on the upper surface of the pry baffle, and the fixed magnet is staggered with the support rods.

[0019] Preferably, the pry baffle is adsorbed on the uppermost end of the placing cross frame of the first H-shaped frame and the second H-shaped frame by the magnetic force of the fixed magnet.

[0020] Preferably, the first H-shaped frame and the second H-shaped frame and the placing cross frame arranged inside the first H-shaped frame and the second H-shaped frame form a containing frame, so that the prefabricated wall is placed inside the containing frame.

[0021] Preferably, when the first hydraulic cylinder and the second hydraulic cylinder are retracted, the first H-shaped frame is placed on the flat car, and when the first hydraulic cylinder and the second hydraulic cylinder are extended, the first H-shaped frame is rotated along the hinge shaft, so that the first H-shaped frame is rotated to a vertical state.

[0022] Preferably, when the third hydraulic cylinder and the fourth hydraulic cylinder are retracted, the second H-shaped frame is placed on the flat car, and when the third hydraulic cylinder and the fourth hydraulic cylinder are extended, the second H-shaped frame is rotated along the hinge shaft, so that the second H-shaped frame is rotated to a vertical state.

[0023] Compared with the prior art, the device has the advantages that:

[0024] 1. The first H-shaped frame and the second H-shaped frame are arranged, so that the device can flip two prefabricated walls at a time, and the weight of the device is increased to ensure the stability of the device during operation. In addition, the first H-shaped frame and the second H-shaped frame are flipped in sequence, so that the prefabricated walls are flipped, thereby reducing the difficulty of flipping the prefabricated walls, improving the flipping efficiency, and ensuring the safety of the prefabricated wall assembly.

[0025] 2. The setting of the pry block baffle can limit the prefabricated wall body by the supporting rod, avoid it from sliding out of the U-shaped frame 1 and U-shaped frame 2 in the overturning process, ensure the stability of the prefabricated wall body in the overturning process, and the pry stick can quickly pry it out, thereby facilitating the assembly of the prefabricated wall body. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic view of the prefabricated wall body overturning tool of the utility model;

[0027] Figure 2 is a schematic view of the U-shaped frame 1 and U-shaped frame 2 after unfolding of the utility model;

[0028] Figure 3 is a side view of the utility model; Figure 1

[0029] Figure 4 is a main view of the utility model; Figure 1

[0030] Figure 5 is a sectional view of the concave frame in the utility model; Figure 1

[0031] Figure 6 is a schematic view of the pry block baffle of the utility model;

[0032] In the drawing:

[0033] 1, flatbed truck; 11, wheel; 12, universal wheel; 13, concave frame; 131, hydraulic cylinder 1; 132, sliding block baffle; 133, hydraulic cylinder 2; 134, hydraulic cylinder 3; 135, hydraulic cylinder 4; 14, supporting cross frame; 15, hinged shaft.

[0034] 2, two-way adjusting overturning frame mechanism; 21, U-shaped frame 1; 211, supporting block; 212, placing cross frame; 213, hinged seat 1; 214, adjusting shaft 1; 215, limiting groove; 22, U-shaped frame 2; 221, hinged seat 2; 222, adjusting shaft 2; 23, pry block baffle; 231, supporting rod; 232, fixed magnet. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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 those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0036] ​​​The utility model provides a technical scheme, such as Figures 1-6 As shown in the figure;A prefabricated wall overturning tool, including flat -bed truck 1, its lower one end both sides install wheel 11, its lower other end both sides install universal wheel 12, still include: concave frame 13, set up in flat -bed truck 1 both sides, its inside one side installs hydraulic cylinder one 131, the telescopic end of hydraulic cylinder one 131 installs sliding block baffle 132, and hydraulic cylinder two 133 is arranged in one side of sliding block baffle 132, and with sliding block baffle 132 swing joint, its inside other side installs hydraulic cylinder three 134, and the telescopic end of hydraulic cylinder three 134 installs same sliding block baffle 132, and hydraulic cylinder four 135 is arranged in one side of this sliding block baffle 132, and with sliding block baffle 132 swing joint;Supporting cross frame 14, set up in flat -bed truck 1 inside upper, and be located between two concave frames 13, and evenly distribute;Hinge shaft 15, set up in flat -bed truck 1 left and right two sides, and are connected through bearing.

[0037] In the utility model embodiment, the wheel 11 and the universal wheel 12 are arranged, so that the flat -bed truck can be moved conveniently, and the prefabricated wall can be transported to the assembly site by the staff conveniently.

[0038] In the utility model embodiment, the hydraulic cylinder one 131 and the hydraulic cylinder three 134 are arranged in the concave frame 13 in a staggered mode, so that the angle of the L-shaped frame one 21 and the L-shaped frame two 22 can be adjusted respectively, the overturning of the prefabricated wall by the device is guaranteed, the hydraulic cylinder two 133 and the hydraulic cylinder four 135 are used, the rotation angle range of the L-shaped frame one 21 and the L-shaped frame two 22 can be improved, and the overturning angle of the prefabricated wall can meet the actual assembly demand.

[0039] In the utility model embodiment, the sliding block baffle 132 is arranged, so that the hydraulic cylinder two 133 and the hydraulic cylinder four 135 can be installed conveniently, and the sliding contact between the sliding block baffle 132 and the concave frame 13 is used, the stability of the horizontal movement of the sliding block baffle 132 is guaranteed, and the L-shaped frame one 21 and the L-shaped frame two 22 can be stably overturned and adjusted.

[0040] In the utility model embodiment, the supporting cross frame 14 is arranged, so that the L-shaped frame one 21 and the L-shaped frame two 22 can be supported, the stability of the L-shaped frame one 21 and the L-shaped frame two 22 placed on the flat -bed truck 1 is guaranteed, and the prefabricated wall is more stable during transportation.

[0041] In the utility model embodiment, the hinge shaft 15 is arranged on the left and right sides of the flat -bed truck 1, so that the flat -bed truck 1 can transport two prefabricated walls at a time and overturn and assemble, the assembly efficiency of the prefabricated wall is improved, the weight of the device can be increased, the stability of the L-shaped frame one 21 and the L-shaped frame two 22 during overturning is guaranteed, and the safety hidden danger caused by the L-shaped frame one 21 and the L-shaped frame two 22 falling is avoided.

[0042] The bidirectional adjusting overturning frame mechanism 2 is arranged above the flat car 1, and comprises: a first U-shaped frame 21 arranged above the flat car 1, the lower surface of the first U-shaped frame 21 is uniformly provided with support blocks 211, the support blocks 211 are arranged above the support cross frame 14, and a placing cross frame 212 is arranged in the first U-shaped frame 21; a hinged seat 213 is arranged at the two ends of one side of the first U-shaped frame 21 and is connected with one of the hinge shafts 15; an adjusting shaft 214 is arranged at the center of one side of the surface of the first U-shaped frame 21 and is movably connected with the telescopic end of the hydraulic cylinder 2; a second U-shaped frame 22 is arranged above the first U-shaped frame 21, the second U-shaped frame 22 is provided with the same support blocks 211 and placing cross frames 212 as the first U-shaped frame 21 and is symmetrically arranged on the flat car 1 along the center line of the flat car 1; a hinged seat 221 is arranged at the two ends of one side of the second U-shaped frame 22 and is connected with the other hinge shaft 15; and an adjusting shaft 222 is arranged at the center of one side of the surface of the second U-shaped frame 22 and is movably connected with the telescopic end of the hydraulic cylinder 4.

[0043] In the embodiment of the utility model, the first U-shaped frame 21 and the second U-shaped frame 22 are connected with the hinge shaft 15 through the hinged seat 213 and the hinged seat 221 respectively, so that the first U-shaped frame 21 and the second U-shaped frame 22 can rotate along the hinge shaft 15, thereby overturning the prefabricated wall.

[0044] In the embodiment of the utility model, the first U-shaped frame 21 and the second U-shaped frame 22 are connected with the hinge shaft 15 through the hinged seat 213 and the hinged seat 221 respectively, so that the first U-shaped frame 21 and the second U-shaped frame 22 can rotate along the hinge shaft 15, thereby overturning the prefabricated wall.

[0045] In the embodiment of the utility model, the first U-shaped frame 21 and the second U-shaped frame 22 are connected with the hinge shaft 15 through the hinged seat 213 and the hinged seat 221 respectively, so that the first U-shaped frame 21 and the second U-shaped frame 22 can rotate along the hinge shaft 15, thereby overturning the prefabricated wall.

[0046] In the embodiment of the utility model, the first U-shaped frame 21 and the second U-shaped frame 22 are connected with the hinge shaft 15 through the hinged seat 213 and the hinged seat 221 respectively, so that the first U-shaped frame 21 and the second U-shaped frame 22 can rotate along the hinge shaft 15, thereby overturning the prefabricated wall.

[0047] The utility model discloses, hydraulic cylinder one 131 and hydraulic cylinder three 134 staggered arrangement, can make it can be connected with the type frame one 21 and the type frame two 22 respectively, and the sliding block baffle 132 and the concave frame 13 inside lower surface sliding contact, guarantee the stability of sliding block baffle 132 transverse sliding.

[0048] The utility model discloses, the support block of the type frame two 22 is placed on the upper surface of the type frame one 21, guarantee the stability of type frame two 22 placement, avoid the falling of prefabricated wall.

[0049] The utility model discloses, the most outer end of the type frame one 21 and the type frame two 22 places horizontal frame 212 and is opened with a plurality of limiting slot 215, and evenly distributes, and the most outer end of the type frame one 21 and the type frame two 22 places horizontal frame 212 one side below sets up pry and installs baffle 23, and pry and installs baffle 23 on installation a plurality of support rod 231, and support rod 231 with the position corresponding of limiting slot 215, and movably inserts into limiting slot 215, and pry and installs baffle 23 upper surface installation fixed magnet 232, and fixed magnet 232 and support rod 231 staggered distribution.

[0050] The utility model discloses, utilize the setting of limiting slot 215, can conveniently pry and install baffle 23, and utilize support rod 231 and insert into limiting slot 215, make it to the prefabricated wall and carry out limiting, and then avoid prefabricated wall from the type frame one 21 and the type frame two 22 in the process of turning over and slide out, guarantee the smooth turning over of prefabricated wall.

[0051] The utility model discloses, utilize the setting of fixed magnet 232, can make pry and install baffle 23 can utilize magnetic force and be adsorbed on horizontal frame 212, can also produce certain gap simultaneously, and then make staff can utilize pry lever and quickly pry and install baffle 23 and lift down, make support rod 231 remove from limiting slot 215, to guarantee that prefabricated wall can be quickly assembled.

[0052] The utility model discloses, pry and install baffle 23 through the magnetic force of fixed magnet 232 and be adsorbed on the most outer end of the type frame one 21 and the type frame two 22 places horizontal frame 212, avoid pry and install baffle 23 accidental falling to the ground, cause prefabricated wall loose.

[0053] The utility model discloses, the type frame one 21 and the type frame two 22 and the placement horizontal frame 212 of its inside installation constitute a holding frame, make prefabricated wall place in its inside, convenient for the storage of prefabricated wall.

[0054] The utility model discloses, hydraulic cylinder one 131 and hydraulic cylinder two 133 contract, make the flat of the type frame one 21 on the flat car 1, and hydraulic cylinder one 131 and hydraulic cylinder two 133 extend make the type frame one 21 rotate along the hinge shaft 15, make the type frame one 21 rotate to vertical state, hydraulic cylinder three 134 and hydraulic cylinder four 135 contract, make the flat of the type frame two 22 on the flat car 1, and hydraulic cylinder three 134 and hydraulic cylinder four 135 extend make the type frame two 22 rotate along the hinge shaft, make the type frame two 22 rotate to vertical state, can utilize the mode of control of hydraulic the type frame one 21 and the type frame two 22 rotate, and then to prefabricated wall body are turned over assembly.

[0055] Specific use the utility model, staff will flat car 1 move to prefabricated wall body hoisting position, then control hydraulic cylinder three 134 and hydraulic cylinder four 135 begin to extend, along with the extension of hydraulic cylinder three 134, its pusher block baffle 132 moves, and then make hydraulic cylinder four 135 push the type frame two 22 rotate around hinge shaft 15, and along with the extension of hydraulic cylinder three 134 and hydraulic cylinder four 135, make the type frame two 22 by horizontal state rotation to vertical state,

[0056] Then, staff can hoist prefabricated wall body to the type frame one 21 in, and make its flat in the type frame one 21 on the placing cross frame 212, and then control hydraulic cylinder three 134 and hydraulic cylinder four 135 contract, make the type frame two 22 by vertical state rotate to horizontal state, then again hoist prefabricated wall body to the type frame 22 in can be,

[0057] When prefabricated wall body hoisting is finished, staff can push flat car 1, move it to prefabricated wall body assembly place,

[0058] When flat car 1 moves to assembly place, and make the type frame two 22 be located assembly place one side, then can control hydraulic cylinder three 134 and hydraulic cylinder four 135 begin to extend, make the type frame two 22 begin to rotate around hinge shaft 15, and in the rotating process, along with the angle of the type frame two 22 gradually increases, prefabricated wall body gradually slides down, and with the pry block baffle 23 on the support rod 231 contact, then continue to rotate, make the type frame two 22 by horizontal state rotation to vertical state, and then turn over prefabricated wall body to vertical state,

[0059] Then, staff can take out pry lever, and insert it in the gap between pry block baffle 23 and placing cross frame 212, then pry block baffle 23 is tilted, make support rod 231 remove from limiting groove 215, and then make prefabricated wall body fall to assembly position and carry out assembly work.

[0060] Subsequently, continue to move the flat car 1, move it to the next assembly site, and make the U-shaped frame 21 located at one side of the assembly site, then control the hydraulic cylinder 131 and the hydraulic cylinder 133 to extend, push the U-shaped frame 21 to rotate around the hinge shaft 15, and make the U-shaped frame 21 rotate from the horizontal state to the vertical state, thereby turning the prefabricated wall to the vertical state, finally, the staff also uses the crowbar to lift the blocking baffle 23, and makes the prefabricated wall fall to the assembly position for assembly.

[0061] Finally, the staff controls the hydraulic cylinder 131 and the hydraulic cylinder 133 to retract, makes the U-shaped frame 21 rotate to the horizontal state, and makes the supporting block 211 contact with the supporting cross frame 14, then controls the hydraulic cylinder 134 and the hydraulic cylinder 135 to retract, makes the U-shaped frame 22 rotate to the horizontal state, and makes the supporting block 211 on it contact with the U-shaped frame 1, then the two blocking baffles 23 are respectively assembled back to the corresponding positions on the U-shaped frame 21 and the U-shaped frame 22.

[0062] In the specific implementation process of the device, when it is necessary to control the hydraulic cylinders in the device to extend and retract, the device can be connected with an external power supply, and power is supplied by using the external power supply, so that the device can smoothly operate.

[0063] Meanwhile, in the specific implementation of the device, the staff can set rotating hooks outside the outer sides of the two sides of the U-shaped frame 21 and the U-shaped frame 22, hook the intercepting rods by using the rotating hooks, make the intercepting rods block above the prefabricated wall, and thereby avoid the prefabricated wall from falling after being turned over.

[0064] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or action from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the statement "including a limited element" does not exclude the existence of other identical elements in the process, method, article or equipment including the element.

[0065] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A prefabricated wall overturning tool comprising a flatbed cart, wheels are installed on both sides of the lower end of the cart, universal wheels are installed on both sides of the other end of the lower end of the cart, characterized in that, Also include: The concave frame is arranged on both sides of the flat car, and the inside of one side is provided with hydraulic cylinder 1. The telescopic end of the hydraulic cylinder 1 is provided with a sliding block baffle. The sliding block baffle is provided with hydraulic cylinder 2 on one side and is movably connected with the sliding block baffle. The inside of the other side is provided with hydraulic cylinder 3. The telescopic end of the hydraulic cylinder 3 is provided with the same sliding block baffle. The sliding block baffle is provided with hydraulic cylinder 4 on one side and is movably connected with the sliding block baffle. Supporting cross frame is arranged on the inside of the flat car and is located between the two concave frames and is evenly distributed. The hinge shaft is arranged on the left and right sides of the flat car and is connected through the bearing. The two-way adjusting and overturning frame mechanism is arranged on the flat car and includes: The U-shaped frame 1 is arranged on the flat car. The lower surface of the U-shaped frame 1 is evenly provided with supporting blocks. The supporting blocks are located above the supporting cross frame. The inside of the U-shaped frame 1 is provided with a placing cross frame. The placing cross frame is evenly distributed in the U-shaped frame 1. The hinge seat 1 is arranged on both ends of one side of the U-shaped frame 1 and is connected with one of the hinge shafts. The adjusting shaft 1 is arranged on one side of the center of the surface of the U-shaped frame 1 and is movably connected with the telescopic end of the hydraulic cylinder 2. The U-shaped frame 2 is arranged above the U-shaped frame 1. The U-shaped frame 2 is provided with the same supporting blocks and placing cross frames as the U-shaped frame 1 and is symmetrically arranged on the flat car along the center line of the flat car. The hinge seat 2 is arranged on both ends of one side of the U-shaped frame 2 and is connected with the other hinge shaft. The adjusting shaft 2 is arranged on one side of the center of the surface of the U-shaped frame 2 and is movably connected with the telescopic end of the hydraulic cylinder 4.

2. A precast wall turning tool according to claim 1, wherein The hydraulic cylinder 1 and the hydraulic cylinder 3 are arranged alternately. The sliding block baffle is in sliding contact with the lower surface of the inside of the concave frame.

3. A precast wall turning tool according to claim 1, wherein The supporting blocks of the U-shaped frame 2 are movably placed on the upper surface of the U-shaped frame 1.

4. A precast wall turnover tool according to claim 1, wherein, A plurality of limiting grooves are formed on the outermost placing cross frames of the U-shaped frame 1 and the U-shaped frame 2, and are evenly distributed.

5. A precast wall turning tool according to claim 4, wherein A pry baffle is arranged below one side of the outermost placing cross frame of the U-shaped frame 1 and the U-shaped frame 2. A plurality of supporting rods are arranged on the pry baffle. The supporting rods are correspondingly arranged in the limiting grooves and are movably inserted into the limiting grooves. A fixed magnet is arranged on the upper surface of the pry baffle. The fixed magnet is alternately arranged with the supporting rods.

6. A precast wall turning tool according to claim 5, wherein, The pry baffle is attracted to the outermost placing cross frame of the U-shaped frame 1 and the U-shaped frame 2 by the magnetic force of the fixed magnet.

7. A precast wall turnover tool according to claim 1 wherein, The U-shaped frame 1 and the U-shaped frame 2 and the placing cross frames arranged in the inside thereof form a containing frame, so that the prefabricated wall is placed in the inside thereof.

8. A precast wall turnover tool according to claim 1, wherein, After the hydraulic cylinder 1 and the hydraulic cylinder 2 are retracted, the U-shaped frame 1 is placed on the flat car. After the hydraulic cylinder 1 and the hydraulic cylinder 2 are extended, the U-shaped frame 1 is rotated along the hinge shaft, so that the U-shaped frame 1 is rotated to the vertical state.

9. A precast wall turnover tool according to claim 1, wherein, After the hydraulic cylinder 3 and the hydraulic cylinder 4 are retracted, the U-shaped frame 2 is placed on the flat car. After the hydraulic cylinder 3 and the hydraulic cylinder 4 are extended, the U-shaped frame 2 is rotated along the hinge shaft, so that the U-shaped frame 2 is rotated to the vertical state.

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