Wet joint template lifting device

Abstract

The utility model provides a wet joint formwork lifting device which comprises a supporting frame, the bottom end of the supporting frame is provided with two lap joint parts capable of stretching out and drawing back horizontally, and the supporting frame is used for adapting to the distance between two adjacent bridge blocks through stretching out and drawing back of the two lap joint parts and is erected on the two bridge blocks. The lifting assembly is arranged on the supporting frame and used for lifting the wet joint formwork located below the bridge to the position between the two corresponding adjacent bridge blocks. According to the wet joint formwork lifting device, the supporting frame is arranged, the supporting frame can adapt to the distance between two adjacent bridge blocks through the two lap joint parts capable of horizontally stretching out and drawing back, and the supporting frame is erected on the two bridge blocks; the lifting assembly is arranged, the wet joint formwork located below the bridge can be lifted to the position between the two corresponding adjacent bridge blocks, the device can adapt to the distances between the bridge blocks with different intervals, adaptability is good, and practicability is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge construction auxiliary frock technical field, concretely relates to a wet joint formwork lifting device. BACKGROUND

[0002] Bridge construction is a complex and systematic process, involving multiple stages and various technologies, and the wet joint of a bridge refers to the joint between the blocks of a prestressed concrete beam after the blocks are prefabricated, which is connected into a whole by cast-in-place concrete. The connection method of the wet joint directly affects the structural stability and carrying capacity of the entire bridge. The bridge block is each segment in the segmented construction of a large-span integral continuous beam bridge.

[0003] In the prior art, when the wet joint process is performed, after the steel bars at the wet joint are bound, the wet joint formwork is usually lifted to the space between the two bridge blocks by a cable winch, and then the formwork is reinforced, stabilized and poured with concrete. The formwork can be removed after the concrete strength reaches the required value. However, when bridge construction of different spans is performed, the space between the bridge blocks is different. When the space between the bridge blocks is large, the cable winch is not easy to fix, and the wet joint formwork is difficult to lift, which has poor adaptability and practicality. SUMMARY

[0004] The utility model embodiment provides a wet joint formwork lifting device, which aims to solve the problem of the existing wet joint formwork lifting method, which is difficult to lift when the space between the bridge blocks is large.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a wet joint formwork lifting device, which comprises:

[0006] The support frame has two horizontally extendable lap joints at the bottom end, and is used to adapt to the space between two adjacent bridge blocks by the extension of the two lap joints and to be erected on the two bridge blocks;

[0007] The lifting assembly is arranged on the support frame and is used to lift the wet joint formwork located below the bridge to the space between the corresponding two adjacent bridge blocks.

[0008] In a possible implementation, the interval direction of the two adjacent bridge blocks is the first direction, and the direction horizontal and perpendicular to the first direction is the second direction;

[0009] The lifting assembly comprises:

[0010] The rotating structure is rotatably arranged on the support frame, and the rotation axis is arranged along the second direction;

[0011] A handle is fixedly connected with the rotating structure and rotatably connected with the support frame, and the handle is used to drive the rotating structure to rotate;

[0012] A connecting rope is connected at one end with the rotating structure and wound around the rotating structure, and is retracted or released with rotation of the rotating structure.

[0013] In a possible implementation, the rotating structure comprises:

[0014] Two connecting plates are arranged along the second direction at intervals;

[0015] A plurality of connecting rods are arranged at intervals along the axis of the connecting plate between the two connecting plates, and two ends of each connecting rod are fixedly connected with the corresponding connecting plate.

[0016] One end of the connecting rope is connected with one of the connecting rods.

[0017] In a possible implementation, each connecting plate is provided with only a plurality of insertion holes arranged at intervals along the axis of the connecting plate on the connecting plate, and each insertion hole penetrates the corresponding connecting plate along the second direction.

[0018] In a possible implementation, the wet joint formwork lifting device further comprises an insertion pin, which is used to be inserted into the corresponding insertion hole on the connecting plate when the rotating structure drives the connecting rope to lift the wet joint formwork to a proper position, so that the insertion pin is clamped with the support frame to fix the current position of the wet joint formwork.

[0019] In a possible implementation, the support frame comprises:

[0020] Two first support rods are arranged along the second direction at intervals, and each first support rod is arranged along a first direction;

[0021] A second support rod is arranged along the first direction between the two first support rods, and two ends of the second support rod are connected with the two first support rods, respectively;

[0022] Two groups of telescopic assemblies are arranged one-to-one with the two first support rods, and each telescopic assembly comprises two sliding blocks arranged at two ends of the corresponding first support rod, respectively, and each sliding block is arranged on the corresponding first support rod along the first direction, and the sliding block is the lap joint part.

[0023] The first support rod is provided with a sliding groove corresponding to the sliding block.

[0024] In a possible implementation, the sliding block is provided with a fastening bolt for fixing the position relationship between the sliding block and the corresponding first support rod.

[0025] In a possible implementation, the connecting rope is a steel wire rope.

[0026] In a possible implementation, the support frame is provided with a plurality of auxiliary rods, each of which is detachably connected to the support frame and arranged along the second direction.

[0027] Compared with the prior art, the support frame is provided, which can be adapted to the spacing between two adjacent bridge blocks through the two horizontally telescopic overlapping portions and is arranged on the two bridge blocks; the lifting assembly is provided, which can lift the wet joint formwork located below the bridge to between the corresponding two adjacent bridge blocks, can adapt to the distance between bridge blocks with different spacing, has good adaptability and good practicability. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 A structure schematic view of the wet joint formwork lifting device is provided for the embodiments of the present application.

[0029] Figure 2 A connection structure schematic view of the sliding block, the fastening bolt and the first support rod of the wet joint formwork lifting device is provided for the embodiments of the present application.

[0030] Explanation of reference signs:

[0031] 10, support frame; 11, first support rod; 12, second support rod; 13, telescopic assembly; 131, sliding block; 1311, fastening bolt; 14, auxiliary rod; 20, lifting assembly; 21, rotating structure; 211, connecting disc; 212, connecting rod; 22, handle; 23, connecting rope; 30, plug-in pin. DETAILED DESCRIPTION

[0032] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clear and understandable, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0033] Please refer to Figure 1 and Figure 2The utility model provides a wet joint formwork lifting device, which comprises a support frame 10 and a lifting assembly 20. The support frame 10 has two horizontally telescopic lap joints at the bottom end. The support frame 10 is used to adapt to the spacing of two adjacent bridge blocks through the telescoping of the two lap joints and is erected on the two bridge blocks. The lifting assembly 20 is arranged on the support frame 10 and is used to lift the wet joint formwork located below the bridge to between the corresponding two adjacent bridge blocks.

[0034] The wet joint formwork lifting device provided by the embodiment has the support frame 10, which can adapt to the spacing of two adjacent bridge blocks through the two horizontally telescopic lap joints and is erected on the two bridge blocks. The lifting assembly 20 is arranged, which can lift the wet joint formwork located below the bridge to between the corresponding two adjacent bridge blocks, can adapt to the distance between bridge blocks with different spacing, has good adaptability and practicability.

[0035] In some embodiments, the lifting assembly 20 can adopt the structure as shown in Figure 1 . Referring to Figure 1 , the spacing direction of the two adjacent bridge blocks is the first direction, and the direction horizontal and perpendicular to the first direction is the second direction.

[0036] The lifting assembly 20 comprises a rotating structure 21, a handle 22 and a connecting rope 23. The rotating structure 21 is rotationally arranged on the support frame 10, and the rotation axis is arranged along the second direction. The handle 22 is fixedly connected with the rotating structure 21 and rotationally connected with the support frame 10, and the handle 22 is used to drive the rotating structure 21 to rotate. One end of the connecting rope 23 is connected to the rotating structure 21 and is wound around the rotating structure 21, and the connecting rope 23 is wound or unwound with the rotation of the rotating structure 21.

[0037] The handle 22 can drive the rotating structure 21 to rotate. The rotating structure 21 can make the connecting rope 23 wound or unwound around the rotating structure 21 under the driving of the handle 22.

[0038] In some embodiments, the rotating structure 21 can adopt the structure as shown in Figure 1 . Referring to Figure 1 , the rotating structure 21 comprises a connecting disc 211 and a connecting rod 212. The connecting disc 211 is provided with two, and the two connecting discs 211 are arranged at intervals along the second direction. The connecting rod 212 is provided with a plurality of, and the plurality of connecting rods 212 are arranged at intervals along the axis of the connecting disc 211 between the two connecting discs 211, and the two ends of each connecting rod 212 are fixedly connected with the corresponding connecting disc 211.

[0039] Among them, one end of the connecting rope 23 is connected to one of the connecting rods 212.

[0040] The two connecting plates 211 and the plurality of connecting rods 212 can be understood as a rotating drum structure, and one end of the connecting rope 23 is connected to one of the connecting rods 212.

[0041] In some embodiments, the connecting plate 211 described above can adopt the structure as shown in Figure 1 . Referring to Figure 1 , only a plurality of plug-in holes are provided on each connecting plate 211, and the plurality of plug-in holes are annularly and spacedly arranged on the connecting plate 211 along the axis of the connecting plate 211, and each plug-in hole penetrates the corresponding connecting plate 211 along the second direction.

[0042] In some embodiments, the plug-in pin 30 described above can adopt the structure as shown in Figure 1 . Referring to Figure 1 , the wet joint formwork lifting device further comprises a plug-in pin 30, which is used to insert the plug-in pin 30 into the corresponding plug-in hole on the connecting plate 211 when the connecting rope 23 is driven by the rotating structure 21 to lift the wet joint formwork to the appropriate position, so that the plug-in pin 30 is clamped with the support frame 10 to fix the current position of the wet joint formwork.

[0043] The plug-in pin 30 can be inserted into the corresponding plug-in hole on the connecting plate 211 when the connecting rope 23 is driven by the rotating structure 21 to lift the wet joint formwork to the appropriate position, so that the plug-in pin 30 is clamped with the support frame 10 to fix the current position of the wet joint formwork.

[0044] In some embodiments, the support frame 10 described above can adopt the structure as shown in Figure 1 , Figure 2 . Referring to Figure 1 , Figure 2 , the support frame 10 comprises a first support rod 11, a second support rod 12 and a telescopic assembly 13. The first support rod 11 is provided in two, and the two first support rods 11 are spaced apart along the second direction, and each first support rod 11 is arranged along the first direction. The second support rod 12 is arranged along the first direction between the two first support rods 11, and the two ends of the second support rod 12 are respectively connected to the two first support rods 11. The telescopic assembly 13 is provided in two groups, and the two groups of telescopic assemblies 13 are arranged one by one corresponding to the two first support rods 11, and each telescopic assembly 13 comprises two sliding blocks 131, and the two sliding blocks 131 are respectively slidingly arranged at the two ends of the corresponding first support rod 11, and each sliding block 131 is slidingly arranged on the corresponding first support rod 11 along the first direction, and the sliding block 131 is a lap joint part.

[0045] Among them, each first support rod 11 is provided with a sliding groove corresponding to the sliding of the sliding block 131.

[0046] In some embodiments, the sliding block 131 described above can adopt the structure as shown in Figure 1 ,Figure 2 As shown in the structure. Referring to Figure 1 , Figure 2 Each sliding block 131 is provided with a fastening bolt 1311 for fixing the positional relationship between the sliding block 131 and the corresponding first support rod 11.

[0047] The fastening bolt 1311 can fix the positional relationship between the sliding block 131 and the corresponding first support rod 11, and the sliding groove is provided with a through hole for the fastening bolt 1311 to pass through.

[0048] In some embodiments, the connecting rope 23 can adopt the structure as shown in Figure 1 Referring to Figure 1 , the connecting rope 23 is a steel wire rope.

[0049] The steel wire rope is composed of steel wire, rope core and lubricating grease, and the steel wire with required mechanical properties and geometric dimensions is twisted together according to certain rules to form a spiral steel wire bundle.

[0050] In some embodiments, the support frame 10 can adopt the structure as shown in Figure 1 Referring to Figure 1 , the support frame 10 is provided with a plurality of auxiliary rods 14, each auxiliary rod 14 is detachably linked with the support frame 10, and each auxiliary rod 14 is arranged along the second direction.

[0051] The auxiliary rod 14 can be detachably linked with the support frame 10, and the stability of the support frame 10 can be enhanced when the support frame 10 is not fixed stably.

[0052] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Wet joint template lifting device, characterized in that: include: The support frame has two horizontally retractable overlapping parts at the bottom end, and the support frame is used to adapt to the distance between two adjacent bridge beams through the expansion and contraction of the two overlapping parts, and is erected on the two bridge beams; The lifting assembly is arranged on the support frame and is used to lift the wet joint formwork located below the bridge to between two corresponding adjacent bridge beam blocks.

2. The wet joint formwork lifting device according to claim 1, characterized in that: The spacing direction between two adjacent bridge beams is set as a first direction, and a direction horizontal and perpendicular to the first direction is set as a second direction; The lifting assembly comprises: a rotating structure, rotatably arranged on the support frame, with a rotation axis arranged along the second direction; a handle, fixedly connected to the rotating structure and rotatably connected to the support frame, the handle being used to drive the rotating structure to rotate; One end of the connecting rope is connected to the rotating structure and is wound around the rotating structure, and is retracted or released as the rotating structure rotates.

3. The wet joint formwork lifting device according to claim 2, characterized in that: The rotating structure includes: There are two connecting plates, and the two connecting plates are spaced apart along the second direction; There are multiple connecting rods, each of which is annularly spaced along the axis of the connecting disk and arranged between two connecting disks, with both ends of each connecting rod being fixedly connected to the corresponding connecting disk; Wherein, one end of the connecting rope is connected to one of the connecting rods.

4. The wet joint formwork lifting device according to claim 3, characterized in that: Each of the connection disks is provided with only a plurality of plugging holes, which are arranged at annular intervals along the axis of the connection disk. Each of the plugging holes passes through the corresponding connection disk along the second direction.

5. The wet joint formwork lifting device according to claim 4, characterized in that: The wet joint template lifting device also includes a plug pin, which is used to insert the plug pin into the corresponding plug hole on the connecting plate when the rotating structure drives the connecting rope to lift the wet joint template to an appropriate position, so that the plug pin is engaged with the support frame to fix the current position of the wet joint template.

6. The wet joint formwork lifting device according to claim 2, characterized in that: The support frame comprises: There are two first support rods, the two first support rods are spaced apart along the second direction, and each first support rod is arranged along the first direction; a second support rod, arranged between the two first support rods along a first direction, with two ends of the second support rod respectively connected to the two first support rods; The telescopic assembly is provided with two groups, and the two groups of telescopic assemblies are arranged in a one-to-one correspondence with the two first support rods. Each of the telescopic assemblies includes two sliding blocks, and the two sliding blocks are respectively slidably arranged at the two ends of the corresponding first support rod. Each of the sliding blocks can be slidably arranged on the corresponding first support rod along the first direction, and the sliding blocks are the overlapping portions; Wherein, each of the first support rods is provided with a sliding groove for the corresponding sliding block to slide.

7. The wet joint formwork lifting device according to claim 6, characterized in that: Each of the sliding blocks is provided with a fastening bolt, and the fastening bolt is used to fix the positional relationship between the sliding block and the corresponding first support rod.

8. The wet joint formwork lifting device according to claim 2, characterized in that: The connecting rope is a steel wire rope.

9. The wet joint formwork lifting device according to claim 2, characterized in that: A plurality of auxiliary rods are provided at the bottom of the support frame, each of the auxiliary rods is detachably connected to the support frame, and each of the auxiliary rods is arranged along the second direction.

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