Prefabricated box girder jig frame

Abstract

The utility model discloses a prefabricated box girder jig frame which comprises two inclined plates, and placing tables are fixedly connected to the sides, close to each other, of the inclined plates. The mounting block is arranged, specifically, the other side stirrup is placed in the second clamping groove, the moving block is pushed to move the side stirrup to the position with the proper distance, then binding is started, after binding is completed, the clamping plate is pushed towards the front face, the clamping plate is made to be disengaged from the locking groove in the upper portion and enter the sliding block, then the clamping plate is pulled downwards, and the side stirrup is fixed through the sliding block. When the clamping plate moves downwards, the sliding block is driven to move, then the sliding block moves to drive the mounting block to move, the second clamping groove in the mounting block is separated from the side stirrups, the clamping plate is clamped into the locking groove again after the mounting block reaches the bottom, and the distance between the side stirrups is adjusted. And through cooperation of the limiting blocks and the sliding grooves, the possibility that the side stirrups incline when the distance is adjusted is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of precast box girder technology, and in particular relates to a precast box girder jig. Background Technology

[0002] With the vigorous development of my country's transportation construction, bridge construction technology has also grown through continuous innovation. Precast box girder construction technology is widely used in bridge construction, and its construction technology is becoming increasingly sophisticated. In the design of bridge structures with large spans, steel box girders are usually used, and the jig is a tool used for positioning, installing, and fabricating the steel reinforcement skeleton of the precast box girder.

[0003] When producing steel cages, existing precast box girder jigs usually require manual support from workers to tie the steel bars. This can lead to inconsistent spacing between the steel bars and may also cause the steel bars to tilt, resulting in deformation of the steel cage. Utility Model Content

[0004] The purpose of this utility model is to provide a precast box girder formwork to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A precast box girder formwork includes an inclined plate, two of which are provided. Each inclined plate has a placement platform fixedly connected to one side that is close to the other. A sliding groove is provided on the side of the inclined plate that is close to the placement platform. A slider is slidably connected inside the sliding groove. A moving block is fixedly connected to the end of the slider that is away from the limiting block. A sliding groove is provided on the inner wall of the moving block.

[0007] The inner wall of the movable block is provided with an installation block. The outer surface of the installation block is slidably connected to the inner wall of the sliding groove. A sliding block is fixedly connected to the right side of the installation block. The outer surface of the sliding block is slidably connected to the inner wall of the movable block. A locking groove is provided on the right side of the movable block. There are two locking grooves. A linkage groove is provided inside the sliding block. A locking plate is slidably connected to the inner wall of the linkage groove. The locking groove and the linkage groove are interconnected. A second locking groove is provided at the top of the installation block. When the locking plate moves downward, it drives the sliding block to move. Then, the movement of the sliding block drives the installation block to move, so that the second locking groove inside the installation block disengages from the side stirrups. After the installation block reaches the bottom, the locking plate is re-engaged into the locking groove to complete the adjustment of the distance between the side stirrups.

[0008] Furthermore, there are two placement platforms. A slot is provided on the side of the placement platform away from the inclined plate. Limiting blocks are fixedly connected to the left and right sides of the slider. The outer surface of the limiting block is adapted to the inner wall of the slide groove. When the slider moves, it will drive the limiting block to move at the same time. The outer surface of the limiting block is matched with the limiting grooves on both sides of the slide groove.

[0009] Furthermore, the end of the slider away from the limiting block passes through the inclined plate, and a spring is fixedly connected to the bottom of the mounting block. The bottom of the spring is fixedly connected to the inner wall of the moving block, and the mounting block is pushed upward by the spring.

[0010] Furthermore, each of the inclined plates is fixedly connected to a connecting plate at its bottom. A base plate is provided on the side of the connecting plates that are close to each other. Storage slots are provided on the left and right sides of the base plate. The inner wall of the storage slot is slidably connected to the outer surface of the connecting plate. Limiting slots are provided on the front and back of the base plate. Extrusion slots are provided inside the front and back of the connecting plate. A locking block is slidably connected to the inner wall of the extrusion slot. The connecting plate is stored through the storage slot and can be pulled out when extension is needed.

[0011] Furthermore, a second receiving groove is provided at one end of the extrusion grooves that are close to each other. A limit rod is slidably connected to the inner wall of the second receiving groove. A third spring is sleeved on the outer surface of the limit rod. The end of the third spring away from the second receiving groove is fixedly connected to the locking block, and the other end of the third spring is fixedly connected to the inner wall of the extrusion groove. A groove is provided on one side of the connecting plate that is close to each other. A second spring is fixedly connected to the inner wall of the groove. The end of the second spring away from the connecting plate is fixedly connected to the inner wall of the bottom plate. After the binding is completed, the connecting plate is pulled outward to remove the bound steel cage.

[0012] The advantages of this utility model compared to the prior art are as follows:

[0013] 1. This utility model, by setting an installation block, specifically places another side stirrup into the second slot and pushes the moving block to move it to the appropriate spacing position, and then begins to tie it. After the tying is completed, the card plate is pushed forward to disengage it from the upper locking groove and enter the sliding block. Then the card plate is pulled down, and as the card plate moves down, it drives the sliding block to move. Then the movement of the sliding block drives the installation block to move, so that the second slot inside the installation block disengages from the side stirrup. After the installation block reaches the bottom, the card plate is re-engaged into the locking groove to complete the adjustment of the distance between the side stirrups. Furthermore, through the cooperation of the limiting block and the sliding groove, the possibility of tilting of the side stirrups is reduced when adjusting the spacing.

[0014] 2. This utility model uses a connecting plate to press the locking blocks on both sides of the base plate. When the locking blocks are pressed, they drive the limiting rod to move into the second receiving groove, and at the same time, they press the third spring. As the locking blocks enter the pressing groove, the second spring rebounds and pushes the connecting plate outward, thereby moving the inclined plate. When the connecting plate moves outward, when the locking blocks reach the next limiting groove, the third spring rebounds and pushes the locking blocks out, re-locking them. This completes the adjustment of the distance between the inclined plates and the size of the rebar cage. After the binding is completed, the connecting plate is pulled outward to remove the bound rebar cage. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the top cross-sectional structure of the base plate of this utility model;

[0017] Figure 3 This is a front cross-sectional view of the movable block of this utility model;

[0018] Figure 4 This utility model Figure 3 A magnified structural diagram of A in the middle;

[0019] Figure 5 This is a schematic diagram of the front cross-sectional structure of the inclined plate of this utility model.

[0020] The attached diagram lists the components represented by each number as follows:

[0021] 101. Inclined plate; 102. Placement platform; 103. Slot 1; 104. Slide groove; 105. Moving block; 106. Sliding block; 107. Limiting block; 108. Mounting block; 109. Spring 1; 110. Sliding groove; 111. Sliding block; 112. Linkage groove; 113. Locking plate; 114. Locking groove; 115. Slot 2; 201. Base plate; 202. Storage groove; 203. Limiting groove; 204. Connecting plate; 205. Locking block; 206. Spring 2; 207. Groove; 208. Limiting rod; 209. Spring 3; 210. Storage groove 2; 211. Extrusion groove. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided with reference to the accompanying drawings and preferred embodiments. However, it should be noted that many details listed in the specification are merely to provide the reader with a thorough understanding of one or more aspects of this utility model, and these aspects can be achieved even without these specific details.

[0023] Please see Figures 1-5 As shown, this utility model is a precast box girder jig, including an inclined plate 101. There are two inclined plates 101. A placement platform 102 is fixedly connected to the side of the inclined plates 101 that is close to each other. A sliding groove 104 is opened on the side of the inclined plate 101 that is close to the placement platform 102. A slider 106 is slidably connected inside the sliding groove 104. A moving block 105 is fixedly connected to the end of the slider 106 that is away from the limiting block 107. A sliding groove 110 is opened on the inner wall of the moving block 105.

[0024] An installation block 108 is provided on the inner wall of the movable block 105. The outer surface of the installation block 108 is slidably connected to the inner wall of the sliding groove 110. A sliding block 111 is fixedly connected to the right side of the installation block 108. The outer surface of the sliding block 111 is slidably connected to the inner wall of the movable block 105. A locking groove 114 is provided on the right side of the movable block 105. There are two locking grooves 114. A linkage groove 112 is provided inside the sliding block 111. A retaining plate 113 is slidably connected to the inner wall of the linkage groove 112. The locking groove 114 and the linkage groove 112 are interconnected. A second retaining groove 115 is provided on the top of the installation block 108. The other side hoop is placed into the second retaining groove 115, and the movable block 105 is pushed to move it to the appropriate position. Place the plate 113 and begin binding. Once binding is complete, push the plate 113 forward so that it disengages from the upper locking groove 114 and enters the sliding block 111. Then pull the plate 113 downward. As the plate 113 moves downward, it drives the sliding block 111 to move. The movement of the sliding block 111 then drives the mounting block 108 to move, causing the locking groove 115 inside the mounting block 108 to disengage from the side stirrups. After the mounting block 108 reaches the bottom, reposition the plate 113 into the locking groove 114 to complete the adjustment of the distance between the side stirrups. Furthermore, through the cooperation of the limiting block 107 and the sliding groove 104, the side stirrups are less likely to tilt during the adjustment of the spacing.

[0025] There are two placement platforms 102. A slot 103 is provided on the side of the placement platform 102 away from the inclined plate 101. Limiting blocks 107 are fixedly connected to the left and right sides of the slider 106. The outer surface of the limiting block 107 is adapted to the inner wall of the groove 104.

[0026] The end of slider 106 away from limit block 107 passes through inclined plate 101. Spring 109 is fixedly connected to the bottom of mounting block 108. The bottom of spring 109 is fixedly connected to the inner wall of moving block 105.

[0027] Each inclined plate 101 has a connecting plate 204 fixedly connected to its bottom. A base plate 201 is provided on the side of the connecting plates 204 that are close to each other. Storage slots 202 are provided on the left and right sides of the base plate 201.

[0028] The inner wall of the storage slot 202 is slidably connected to the outer surface of the connecting plate 204. The bottom plate 201 has limit slots 203 on both the front and back. The connecting plate 204 has extrusion slots 211 on both the front and back. The inner wall of the extrusion slot 211 is slidably connected to a locking block 205.

[0029] A storage groove 210 is provided at one end of the extrusion grooves 211 that are close to each other. A limit rod 208 is slidably connected to the inner wall of the storage groove 210, and a spring 209 is sleeved on the outer surface of the limit rod 208.

[0030] One end of spring 209, away from storage slot 210, is fixedly connected to block 205. The other end of spring 209 is fixedly connected to the inner wall of extrusion groove 211. A groove 207 is provided on one side of connecting plate 204 that is close to each other. Spring 206 is fixedly connected to the inner wall of groove 207. One end of spring 206, away from connecting plate 204, is fixedly connected to the inner wall of base plate 201, which extrudes the blocks 205 on the front and rear sides of base plate 201. When the blocks 205 are extruded, they will drive the limiting rod 208 to move into storage slot 210, and at the same time, they will push spring 209. During the compression process, as the clamping block 205 enters the compression groove 211, the spring 206 rebounds and pushes the connecting plate 204 outward, thereby causing the inclined plate 101 to move. When the connecting plate 204 moves outward, when the clamping block 205 reaches the next limiting groove 203, the spring 3 209 rebounds and pushes the clamping block 205 out, re-clamping it, thus completing the adjustment of the distance between the inclined plates 101, adjusting the size of the reinforcing cage, and the clamping block 205 and the limiting groove 203 can prevent the connecting plate 204 from separating from the bottom plate 201 due to excessive pulling distance.

[0031] A specific application of this embodiment is as follows: The worker first places the device in the designated position, then adjusts the position of the inclined plates 101 on both sides according to the required size of the rebar cage. First, the locking blocks 205 on both sides of the base plate 201 are pressed. When the locking blocks 205 are pressed, they drive the limiting rod 208 to move into the receiving groove 210, simultaneously pressing the spring 209. As the locking blocks 205 enter the pressing groove 211, the spring 206 rebounds, pushing the connecting plate 204 outwards, thereby driving... The inclined plate 101 moves, and when the connecting plate 204 moves outward, when the locking block 205 reaches the next limiting groove 203, the spring three 209 rebounds to push the locking block 205 out and re-engage, completing the adjustment of the distance between the inclined plates 101. The locking block 205 and the limiting groove 203 prevent the connecting plate 204 from detaching from the base plate 201 due to excessive pulling distance. After the distance adjustment of the inclined plates 101 is completed, the horizontal rib is first placed on the locking groove one 103, and then the moving block 105 is pushed. When the movable block 105 is pushed, the slider 106 at the bottom of the movable block 105 is limited by the limiting block 107, preventing the movable block 105 from shifting during movement. Then, another side stirrup is placed into the slot 115, and the movable block 105 is pushed to move it to the appropriate spacing position. Then, the horizontal bars and side stirrups are tied. After the tying is completed, the locking plate 113 is pushed forward to disengage it from the upper locking slot 114 and enter the sliding block 111. Then, the locking plate 113 is pushed downward. Pulling the plate 113 downwards causes the sliding block 111 to move, which in turn moves the mounting block 108 and compresses the spring 109, causing the slot 115 inside the mounting block 108 to disengage from the side stirrups. After the mounting block 108 reaches the bottom, the plate 113 is re-engaged into the locking slot 114, completing the adjustment of the distance between the side stirrups. Furthermore, the cooperation between the limiting block 107 and the sliding groove 104 reduces the possibility of tilting of the side stirrups during the adjustment of the spacing.

[0032] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A prefabricated box girder cradle, comprising two inclined plates (101), characterized in that: The side close to each other of the inclined plate (101) is fixedly connected with a placing table (102), the side close to the placing table (102) of the inclined plate (101) is provided with a sliding groove (104), the sliding groove (104) is slidably connected with a sliding block (106), and the end, away from the limiting block (107), of the sliding block (106) is fixedly connected with a moving block (105). The inner wall of the moving block (105) is provided with a mounting block (108), the outer surface of the mounting block (108) is slidably connected with the inner wall of the sliding groove (110), the right side of the mounting block (108) is fixedly connected with a sliding block (111), the outer surface of the sliding block (111) is slidably connected with the inner wall of the moving block (105), the right side of the moving block (105) is provided with a locking groove (114), the locking groove (114) is provided with two, the inside of the sliding block (111) is provided with a linkage groove (112), the inner wall of the linkage groove (112) is slidably connected with a clamping plate (113), the locking groove (114) and the linkage groove (112) are mutually penetrated, and the top of the mounting block (108) is provided with a clamping groove two (115).

2. The precast box girder cradle of claim 1, wherein, The placing table (102) is provided with two, the side, away from the inclined plate (101), of the placing table (102) is provided with a clamping groove one (103), and the left side and the right side of the sliding block (106) are fixedly connected with limiting blocks (107).

3. The precast box girder cradle of claim 2, wherein, The end, away from the limiting block (107), of the sliding block (106) penetrates through the inclined plate (101), the bottom of the mounting block (108) is fixedly connected with a spring one (109), and the bottom of the spring one (109) is fixedly connected with the inner wall of the moving block (105).

4. The precast box girder cradle of claim 1, wherein, The bottom of the inclined plate (101) is fixedly connected with a connecting plate (204), the side close to each other of the connecting plate (204) is provided with a bottom plate (201), and the left side and the right side of the bottom plate (201) are provided with receiving grooves (202).

5. A precast box girder cradle as defined in claim 4, wherein, The inner wall of the receiving groove (202) is slidably connected with the outer surface of the connecting plate (204), the front face and the back face of the bottom plate (201) are provided with limiting grooves (203), the inside of the front face and the back face of the connecting plate (204) is provided with extrusion grooves (211), and the inner wall of the extrusion groove (211) is slidably connected with a clamping block (205).

6. A precast box girder cradle as claimed in claim 5 wherein, The end close to each other of the extrusion groove (211) is provided with a receiving groove two (210), the inner wall of the receiving groove two (210) is slidably connected with a limiting rod (208), and the outer surface of the limiting rod (208) is sleeved with a spring three (209).

7. A precast box girder cradle as defined in claim 6, wherein, The spring three (209) is fixedly connected with the clamping block (205) away from one end of the receiving groove two (210), the other end of the spring three (209) is fixedly connected with the inner wall of the extrusion groove (211), the side of the connecting plate (204) close to each other is provided with a groove (207), the inner wall of the groove (207) is fixedly connected with the spring two (206), one end of the spring two (206) away from the connecting plate (204) is fixedly connected with the inner wall of the bottom plate (201).

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