Support for mounting post-tensioned precast beam and slab reinforcing steel bars

Abstract

The utility model discloses a support for installing a post-tensioned precast beam plate reinforcing steel bar, which relates to the technical field of expressway construction, and comprises a supporting unit, a support body unit arranged on one side of the supporting unit, a lifting unit and a connecting unit, the lifting unit comprises a vertical fixing rod fixedly connected to the interior of one side of the supporting unit and a sliding block arranged on the outer surface of the vertical fixing rod in a sleeving mode and used for fixing the connecting unit. The connecting unit comprises a connecting frame fixedly connected to one side of the sliding block and a screw rod fixedly connected to the center of one side of the connecting frame and used for being connected with the frame body unit. According to the support for installing the post-tensioned precast beam plate reinforcing steel bars, a fixing frame used for installing the reinforcing steel bars can be conveniently and rapidly installed, the fixing frame can be conveniently detached in the later period, the reinforcing steel bars can be conveniently and rapidly positioned and installed, the reinforcing steel bar installation time is saved, the height of the reinforcing steel bars can be adjusted, and therefore the reinforcing steel bars can be rapidly installed at different heights; and the steel bar installation range is widened, and the steel bar installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of highway construction, in particular to a bracket used for installing post-tensioned prefabricated beam and slab reinforcement bars. Background Art

[0002] Highway construction projects often pass through plains, low hills and even swamps. At this time, viaducts are needed as a means of passage. Viaducts are mostly constructed with a large number of I-beam steel structures. At the same time, the steel bar installation construction is complicated and difficult. The steel bar installation must be carried out from one side in turn, which takes a long time. It takes 5-7 days to complete the steel bar installation for a 30mI beam.

[0003] The existing steel bar installation efficiency of highway construction is relatively slow, and it is difficult to adjust the height of the steel bar installation, and it cannot be adjusted quickly, which affects the construction efficiency of the highway. Therefore, it is necessary to provide a bracket for installing post-tensioned prefabricated beam and slab steel bars. Utility Model Content

[0004] The main purpose of the utility model is to provide a bracket for installing post-tensioned prefabricated beam and slab steel bars, which can effectively solve the problems in the background technology that the steel bar installation efficiency in existing highway construction is relatively slow, the height of the steel bar installation is difficult to adjust, and it cannot be adjusted quickly, affecting the construction efficiency of the highway.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a bracket for installing post-tensioned prefabricated beam and slab reinforcement bars comprises a support unit, and a frame unit arranged on one side of the support unit, and further comprises a lifting unit arranged inside the support unit and a connecting unit arranged on one side of the support unit;

[0006] The lifting unit includes a vertical fixing rod fixedly connected to the inside of one side of the supporting unit, and a sliding block sleeved on the outer surface of the vertical fixing rod for fixing the connecting unit;

[0007] The connecting unit comprises a connecting frame fixedly connected to one side of the sliding block, and a screw rod fixedly connected to the center of one side of the connecting frame and used for connecting the frame unit.

[0008] Preferably, the support unit includes a base, a vertical fixing plate fixedly connected to the top of the base, a movable cavity provided inside the vertical fixing plate, and a sliding groove provided on one side of the vertical fixing plate.

[0009] Preferably, the frame unit includes a fixing frame installed on one side of the connecting frame, a positioning plate fixedly connected between the inner sides of the fixing frame, a plurality of insertion holes opened on one side of the positioning plate, and three through holes opened on one side of the fixing frame.

[0010] Preferably, the lifting unit further comprises a servo motor fixedly connected to the inside of the base, a lead screw fixedly connected to the driving end of the servo motor, a threaded block threadedly connected to the outer surface of the lead screw, and a sliding hole penetrating through the top of the sliding block.

[0011] Preferably, the connection unit further comprises a locking nut threadedly connected to the outer surface of the screw rod, a positioning block fixedly connected to both ends of the connecting frame, a threaded hole opened on one side of the positioning block, and a bolt threadedly connected inside the threaded hole.

[0012] Preferably, one end of the sliding block is fixedly connected to one side of the threaded block, the sliding block is movably arranged inside the sliding groove, and the inner diameter of the sliding hole is matched with the outer diameter of the vertical fixing rod.

[0013] Preferably, the screw rod passes through the through hole in the middle of the fixing frame, one side of the locking nut fits tightly with one side of the fixing frame, the positioning block is located inside the upper and lower through holes, and one side of the bolt fits tightly with one side of the fixing frame.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, by starting the servo motor, the servo motor drives the screw rod to rotate inside the movable cavity of the vertical fixing plate, and the rotation of the screw rod drives the threaded block to move up and down on its outer surface, and the up and down movement of the threaded block drives the sliding block to move up and down on the outer surface of the vertical fixing rod inside the sliding groove, thereby driving the connecting frame to move up and down through the up and down movement of the sliding block, thereby driving the fixing frame to move up and down, making it convenient to adjust the height of the steel bars installed in the insertion hole of the positioning plate. This structure can adjust the height of the steel bars to facilitate the rapid installation of steel bars at different heights, thereby increasing the range of steel bar installation and accelerating the efficiency of steel bar installation.

[0016] 2. In the utility model, the three through holes of the fixing frame are respectively sleeved on the outer surfaces of the two positioning blocks and the screw rod, and then the locking nut is screwed to the outer surface of the screw rod, and the locking nut is tightened so that one side of the locking nut is tightly fitted with the inner side of the fixing frame, and then the two bolts are respectively screwed into the inside of the threaded holes on one side of the two positioning blocks, and the bolts are tightened, so that the fixing frame is installed and fixed on one side of the connecting frame. This structure can facilitate the rapid installation of the fixing frame for installing steel bars, and facilitate the disassembly of the fixing frame at a later time, facilitate the rapid positioning and installation of the steel bars, save the time of steel bar installation, and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0020] Figure 4 For this utility model Figure 1 Enlarged structural diagram at point C in the middle.

[0021] In the figure:

[0022] 100, support unit; 101, base; 102, vertical fixing plate; 103, movable cavity; 104, sliding groove;

[0023] 200, frame unit; 201, fixing frame; 202, positioning plate; 203, insertion hole; 204, through hole;

[0024] 300, lifting unit; 301, servo motor; 302, screw rod; 303, threaded block; 304, sliding block; 305, sliding hole; 306, vertical fixing rod;

[0025] 400, connecting unit; 401, connecting frame; 402, screw rod; 403, locking nut; 404, positioning block; 405, threaded hole; 406, bolt. DETAILED DESCRIPTION

[0026] Example 1

[0027] Please refer to Figure 1 — Figure 4 As shown, the utility model is a bracket for installing post-tensioned prefabricated beam and slab reinforcement bars, comprising a support unit 100, and a frame unit 200 arranged on one side of the support unit 100, and further comprising a lifting unit 300 arranged inside the support unit 100 and a connecting unit 400 arranged on one side of the support unit 100;

[0028] The connecting unit 400 includes a connecting frame 401 fixedly connected to one side of the sliding block 304 , and a screw rod 402 fixedly connected to the center of one side of the connecting frame 401 and used for connecting the frame unit 200 .

[0029] The support unit 100 includes a base 101 , a vertical fixing plate 102 fixedly connected to the top of the base 101 , a movable cavity 103 opened inside the vertical fixing plate 102 , and a sliding groove 104 opened on one side of the vertical fixing plate 102 .

[0030] The frame unit 200 includes a fixing frame 201 installed on one side of the connecting frame 401 , a positioning plate 202 fixedly connected between the inner sides of the fixing frame 201 , a plurality of insertion holes 203 opened on one side of the positioning plate 202 , and three through holes 204 opened on one side of the fixing frame 201 .

[0031] like Figure 1 — Figure 3 The lifting unit 300 includes a vertical fixing rod 306 fixedly connected to the inside of one side of the support unit 100, and a sliding block 304 sleeved on the outer surface of the vertical fixing rod 306 for fixing the connection unit 400. The lifting unit 300 also includes a servo motor 301 fixedly connected to the inside of the base 101, a screw rod 302 fixedly connected to the driving end of the servo motor 301, a threaded block 303 threadedly connected to the outer surface of the screw rod 302, and a sliding hole 305 passing through the top of the sliding block 304. One end of the sliding block 304 is fixedly connected to one side of the threaded block 303. The sliding block 304 is movably arranged inside the sliding groove 104. The inner diameter of the sliding hole 305 is adapted to the outer diameter of the vertical fixing rod 306.

[0032] Working principle: By starting the servo motor 301, the servo motor 301 drives the screw rod 302 to rotate inside the movable cavity 103 of the vertical fixing plate 102, and the rotation of the screw rod 302 drives the threaded block 303 to move up and down on its outer surface, and the up and down movement of the threaded block 303 drives the sliding block 304 to move up and down on the outer surface of the vertical fixing rod 306 inside the sliding groove 104, thereby driving the connecting frame 401 to move up and down through the up and down movement of the sliding block 304, thereby driving the fixing frame 201 to move up and down, making it convenient to adjust the height of the steel bars installed in the insertion hole 203 of the positioning plate 202. This structure can adjust the height of the steel bars to facilitate the rapid installation of steel bars at different heights, thereby increasing the range of steel bar installation and accelerating the efficiency of steel bar installation.

[0033] Example 2

[0034] Please refer to Figure 1 — Figure 4 As shown, the utility model is a bracket for installing post-tensioned prefabricated beam and slab reinforcement bars, comprising a support unit 100, and a frame unit 200 arranged on one side of the support unit 100, and further comprising a lifting unit 300 arranged inside the support unit 100 and a connecting unit 400 arranged on one side of the support unit 100;

[0035] The lifting unit 300 includes a vertical fixing rod 306 fixedly connected to the inside of one side of the supporting unit 100 , and a sliding block 304 sleeved on the outer surface of the vertical fixing rod 306 for fixing the connecting unit 400 .

[0036] The support unit 100 includes a base 101 , a vertical fixing plate 102 fixedly connected to the top of the base 101 , a movable cavity 103 opened inside the vertical fixing plate 102 , and a sliding groove 104 opened on one side of the vertical fixing plate 102 .

[0037] The frame unit 200 includes a fixing frame 201 installed on one side of the connecting frame 401 , a positioning plate 202 fixedly connected between the inner sides of the fixing frame 201 , a plurality of insertion holes 203 opened on one side of the positioning plate 202 , and three through holes 204 opened on one side of the fixing frame 201 .

[0038] like Figure 1 , Figure 3 and Figure 4 As shown, the connecting unit 400 includes a connecting frame 401 fixedly connected to one side of the sliding block 304, and a screw 402 fixedly connected at the center of one side of the connecting frame 401 for connecting the frame unit 200. The connecting unit 400 also includes a locking nut 403 threadedly connected to the outer surface of the screw 402, a positioning block 404 fixedly connected to both ends of the connecting frame 401, a threaded hole 405 opened on one side of the positioning block 404, and a bolt 406 threadedly connected inside the threaded hole 405. The screw 402 passes through the through hole 204 in the middle of the fixing frame 201, one side of the locking nut 403 is tightly fitted with one side of the fixing frame 201, the positioning block 404 is located inside the upper and lower through holes 204, and one side of the bolt 406 is tightly fitted with one side of the fixing frame 201.

[0039] Working principle: first, the three through holes 204 opened on the fixing frame 201 are respectively put on the outer surfaces of the two positioning blocks 404 and the screw rod 402, and then the locking nut 403 is screwed to the outer surface of the screw rod 402, and the locking nut 403 is tightened so that one side of the locking nut 403 is tightly fitted with the inner side of the fixing frame 201, and then the two bolts 406 are respectively screwed into the inside of the threaded holes 405 on one side of the two positioning blocks 404, and the bolts 406 are tightened, so that the fixing frame 201 is installed and fixed on one side of the connecting frame 401. This structure can facilitate the rapid installation of the fixing frame 201 used to install steel bars, and facilitate the disassembly of the fixing frame 201 at a later time, facilitate the rapid positioning and installation of steel bars, save the time of steel bar installation, and has good practicality.

Claims

1. A support for installing post-tensioned prefabricated beam and slab reinforcement bars, comprising a support unit (100) and a frame unit (200) arranged on one side of the support unit (100), characterized in that: It also includes a lifting unit (300) arranged inside the supporting unit (100) and a connecting unit (400) arranged on one side of the supporting unit (100); The lifting unit (300) comprises a vertical fixing rod (306) fixedly connected to the inside of one side of the supporting unit (100), and a sliding block (304) sleeved on the outer surface of the vertical fixing rod (306) and used for fixing the connecting unit (400); The connection unit (400) comprises a connection frame (401) fixedly connected to one side of the sliding block (304), and a screw rod (402) fixedly connected to the center of one side of the connection frame (401) and used for connecting the frame unit (200).

2. The support for installing post-tensioned prefabricated beam and slab reinforcement according to claim 1 is characterized in that: The support unit (100) comprises a base (101), a vertical fixing plate (102) fixedly connected to the top of the base (101), a movable cavity (103) provided inside the vertical fixing plate (102), and a sliding groove (104) provided on one side of the vertical fixing plate (102).

3. The support for installing post-tensioned prefabricated beam and slab reinforcement according to claim 2 is characterized in that: The frame unit (200) comprises a fixing frame (201) installed on one side of the connecting frame (401), a positioning plate (202) fixedly connected to the inner side of the fixing frame (201), a plurality of insertion holes (203) provided on one side of the positioning plate (202), and three through holes (204) provided on one side of the fixing frame (201).

4. The support for installing post-tensioned prefabricated beam and slab reinforcement according to claim 2, characterized in that: The lifting unit (300) further comprises a servo motor (301) fixedly connected to the inside of the base (101), a screw rod (302) fixedly connected to the driving end of the servo motor (301), a threaded block (303) threadedly connected to the outer surface of the screw rod (302), and a sliding hole (305) penetrating and opened at the top of the sliding block (304).

5. The support for installing post-tensioned prefabricated beam and slab reinforcement according to claim 3 is characterized in that: The connection unit (400) further comprises a locking nut (403) threadedly connected to the outer surface of the screw rod (402), a positioning block (404) fixedly connected to both ends of the connection frame (401), a threaded hole (405) provided on one side of the positioning block (404), and a bolt (406) threadedly connected to the inside of the threaded hole (405).

6. The support for installing post-tensioned prefabricated beam and slab reinforcement according to claim 4, characterized in that: One end of the sliding block (304) is fixedly connected to one side of the threaded block (303), and the sliding block (304) is movably arranged inside the sliding groove (104). The inner diameter of the sliding hole (305) is matched with the outer diameter of the vertical fixing rod (306).

7. The support for installing post-tensioned prefabricated beam and slab reinforcement according to claim 5, characterized in that: The screw rod (402) passes through the through hole (204) in the middle of the fixing frame (201), one side of the locking nut (403) is tightly fitted with one side of the fixing frame (201), the positioning block (404) is located inside the upper and lower through holes (204), and one side of the bolt (406) is tightly fitted with one side of the fixing frame (201).

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