CN212671224U

CN212671224U - Civil construction reinforcing bar clamping device

Info

Publication number: CN212671224U
Application number: CN202021176419.XU
Authority: CN
Inventors: 秦丽云
Original assignee: Xian Peihua University
Current assignee: Xian Peihua University
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-03-09
Anticipated expiration: 2030-06-22

Abstract

The utility model provides a civil construction reinforcing bar clamping device, including casing, fixture and division board, be provided with fixture on the casing, fixedly connected with division board in the casing, fixture includes crank, transfer line, first bevel gear, second bevel gear, threaded rod, the division board, the crank is fixed in the one end of transfer line, transfer line and casing swing joint, fixedly connected with first bevel gear on the transfer line, first bevel gear is connected with second bevel gear meshing, second bevel gear fixes the one end at the threaded rod, threaded rod and division board threaded connection, the centre gripping has the reinforcing bar between the division board, the division board includes grip block, recess, spring, contact plate, puigging, the design of the utility model provides a design of division board structure, can realize when the reinforcing bar of different sizes of centre gripping, contact plate and reinforcing bar contact surface are the arcwall all the time, and the curvature radius of arcwall all the time is the same with the radius of reinforcing bar, the clamping effect is enhanced, and the practicability is strong.

Description

Civil construction reinforcing bar clamping device

Technical Field

The utility model relates to a building technical field specifically is a reinforcing bar clamping device.

Background

At present, the construction structure form in China is mainly a reinforced concrete structure, and the structural form is a main structural material of a building by combining the compression resistance of concrete and the tensile resistance of reinforcing steel bars. In order to better exert the tensile property of the steel bar, the steel bar can be stretched in advance to form the prestressed steel bar. When meeting these circumstances that need handle the reinforcing bar, use this patent technique, can improve work efficiency and practice thrift the use material greatly.

The traditional method is that two reinforcing steel bars are overlapped at the end parts and then are wound and bound tightly by iron wires, so that the cost of a section of reinforcing steel bar, the time for binding the iron wires and the labor cost are wasted; or after the one end with two reinforcing bars is the butt fusion screw respectively and the nut, rethread threaded connection is fixed, but can cause the welded junction fracture to lead to its security to reduce, make the position of reinforcing bar take place the skew easily, thereby influence the progress of construction, to this, retrieve the patent that bulletin number is CN 209465902U now, a civil construction reinforcing bar clamping device has been introduced to this patent, but the grip block is driven by the two-way screw rod of one side in this patent, the grip block opposite side easily takes place to skid with branch, be difficult to guarantee the stationarity that the grip block removed, can influence the centre gripping effect, in addition, when to not unidimensional reinforcing bar, grip block and reinforcing bar contact department easily become the contact line by the contact surface, influence the centre gripping effect. Therefore, there is an urgent need to solve these problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at in solving the not good technical problem of reinforcing bar centre gripping effect of current reinforcing bar clamping device to different specifications to a civil construction reinforcing bar clamping device is provided.

In order to achieve the above object, the utility model provides a following technical scheme:

a civil construction steel bar clamping device comprises a shell, a clamping mechanism and a partition board, wherein the clamping mechanism is arranged on the shell, the partition board is fixedly connected in the shell, the clamping mechanism comprises a crank handle, a transmission rod, a first bevel gear, a second bevel gear and a threaded rod, the clamping plate, the one end at the transfer line is fixed to the crank, transfer line and casing swing joint, the first bevel gear of fixedly connected with on the transfer line, first bevel gear is connected with second bevel gear meshing, second bevel gear fixes the one end at the threaded rod, threaded rod and clamping plate threaded connection, threaded rod and casing swing joint, the centre gripping has the reinforcing bar between the clamping plate, the clamping plate includes the grip block, the recess, a spring, the contact plate, the puigging, be fixed with the recess on the grip block, the recess internal fixation has the spring, the spring other end and contact plate fixed connection, fixedly connected with puigging on the grip block.

Preferably, the two sides of the isolation plate are fixedly connected with rubber pads.

Preferably, the threaded rod is threaded in opposite directions at both ends.

Preferably, the clamping block is provided with two grooves.

Preferably, the sound insulation layer material is sound absorption cotton.

Preferably, the contact plate is of a resilient material.

Preferably, the contact plate surface layer is fixed with the wearing layer, and the contact plate surface layer is fixed with protrudingly, and the wearing layer material is the PVC material, and protruding shape is the triangular pyramid that the apex angle is the fillet.

Has the advantages that:

1. the utility model discloses well grip block both ends all are provided with the threaded rod, and the threaded rod at both ends rotates in step, can strengthen the stationarity that the grip block removed, reinforcing centre gripping effect at the centre gripping in-process.

2. The design of the clamping plate structure in the utility model can realize that when the steel bars with different sizes are clamped, the contact surface of the contact plate and the steel bar is always an arc surface, and the curvature radius of the arc surface is always the same as the radius of the steel bar, thereby enhancing the clamping effect; the friction force between the surface of the contact plate and the surface of the steel bar can be increased by the design of the protrusions, and the clamping effect is enhanced.

Drawings

Fig. 1 is a side sectional view of the present invention.

Fig. 2 is a front sectional view of the present invention.

Fig. 3 is a cross-sectional view of the clamping plate of the present invention.

Fig. 4 is a schematic view of the relationship between the clamping blocks and the grooves of the present invention.

Fig. 5 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In FIGS. 1-5: 1. a housing; 2. a clamping mechanism; 21. a hand crank; 22. a transmission rod; 23. a first bevel gear; 24. a second bevel gear; 25. a threaded rod; 26. a clamping plate; 261. a clamping block; 262. a groove; 263. a spring; 264. a contact plate; 2641. a wear layer; 2642. a protrusion; 265. a sound insulating layer; 3. a separator plate; 31. a rubber pad; 4. and (5) reinforcing steel bars.

Detailed Description

The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to fig. 1 to 5 of the embodiment of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a civil construction steel bar clamping device comprises a shell 1, a clamping mechanism 2 and an isolation plate 3, wherein the clamping mechanism 2 is arranged on the shell 1, the isolation plate 3 is fixedly connected in the shell 1, a rubber pad 31 is fixedly connected to the side end of the isolation plate 3, the clamping mechanism 2 comprises a crank 21, a transmission rod 22, a first bevel gear 23, a second bevel gear 24, a threaded rod 25 and a clamping plate 26, the crank 21 is fixed at one end of the transmission rod 22, the transmission rod 22 is movably connected with the shell 1, the transmission rod 22 is fixedly connected with the first bevel gear 23, the first bevel gear 23 is meshed with the second bevel gear 24, the second bevel gear 24 is fixed at one end of the threaded rod 25, the threaded rod 25 is in threaded connection with the clamping plate 26, the threaded rod 25 is movably connected with the shell 1, a steel bar 4 is clamped between the clamping plates 26, and the clamping plate 26 comprises a, The clamping block 261 is fixed with a groove 262, a spring 263 is fixed in the groove 262, the other end of the spring 263 is fixedly connected with a contact plate 264, and the clamping block 261 is fixedly connected with the sound insulation layer 265.

In the utility model, the two ends of the threaded rod 25 have opposite thread directions.

The utility model discloses in, be provided with two recesses 262 on the grip block 261.

The utility model discloses in, the puigging 265 material is cotton for inhaling the sound, and spring 263 easily produces sound in the course of the work, and puigging 265 can absorb partial noise.

In the present invention, the contact plate 264 is made of an elastic material.

The utility model discloses in, contact plate 264 top layer is fixed with wearing layer 2641, and contact plate 264 surface fixed has protruding 2642, and the wearing layer 2641 material is the PVC material, and wearing layer 2641's setting can carry out certain protection to contact plate 264, and protruding 2642 shape is the triangular pyramid of fillet for the apex angle, and protruding 2642's setting can increase contact plate 264 surface and reinforcing bar 4 surperficial frictional force, reinforcing centre gripping effect.

The utility model discloses in, rubber pad 31 sets up in 3 both sides of division board, in the course of the work, when stretching into casing 1 with reinforcing bar 4 in, rubber pad 31's setting can prevent that reinforcing bar 4 from stretching into excessively to cause the damage to division board 3.

The utility model discloses in, length is not equal completely in a set of spring 263.

The using method comprises the following steps: when the reinforcing steel bar 4 needs to be clamped, the reinforcing steel bar 4 firstly extends into the shell 1, when the reinforcing steel bar 4 extends to a proper position, the hand crank 21 is rotated, the transmission rod 22 rotates and drives the first bevel gear 23 to rotate, the second bevel gear 24 is driven to rotate through meshing between the bevel gears, when the second bevel gear 24 rotates, the threaded rods 25 are opposite in thread direction at two ends, the two clamping plates 26 are driven to approach each other until the reinforcing steel bar 4 is clamped, in the clamping process, the threaded rods 25 are arranged at two ends of each clamping plate 26, and the threaded rods 25 at the two ends rotate synchronously, so that the moving stability of the clamping plates 26 can be enhanced; when the reinforcing steel bar 4 needs to be disassembled, the hand crank 21 is rotated reversely, the transmission rod 22 rotates and drives the first bevel gear 23 to rotate, the second bevel gear 24 is driven to rotate through meshing between the bevel gears, when the second bevel gear 24 rotates, the threaded rod 25 is opposite in thread direction at two ends, the two clamping plates 26 are driven to be away from each other, the reinforcing steel bar 4 is gradually loosened, and then the reinforcing steel bar 4 only needs to be taken out from the shell 1.

In the reinforcing bar clamping process, for reinforcing bars of different specifications, when the contact plate 264 contacts the reinforcing bar 4, the contact plate 264 can deform, the spring 263 is compressed, and under the action of the spring 263, the contact surface of the contact plate 264 and the reinforcing bar 4 is always an arc-shaped surface, the curvature radius of the arc-shaped surface is always the same as that of the reinforcing bar 4, and the clamping effect is enhanced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A civil construction reinforcing bar clamping device includes: casing (1), fixture (2) and division board (3), its characterized in that: be provided with fixture (2) on casing (1), fixedly connected with division board (3) in casing (1), fixture (2) are including crank (21), fixture (2), first bevel gear (23), second bevel gear (24), threaded rod (25), grip block (26), one end at fixture (2) is fixed in crank (21), fixture (2) and casing (1) swing joint, fixedly connected with first bevel gear (23) on fixture (2), first bevel gear (23) and second bevel gear (24) meshing connection, one end at threaded rod (25) is fixed in second bevel gear (24), threaded rod (25) and grip block (26) threaded connection, threaded rod (25) and casing (1) swing joint, the centre gripping has reinforcing bar (4) between grip block (26), grip block (26) include grip block (261-, Recess (262), spring (263), contact plate (264), puigging (265), be fixed with recess (262) on grip block (261), be fixed with spring (263) in recess (262), spring (263) other end and contact plate (264) fixed connection, fixedly connected with puigging (265) on grip block (261).

2. The civil construction rebar clamping device of claim 1, wherein: and rubber pads (31) are fixedly connected to the two sides of the isolation plate (3).

3. The civil construction rebar clamping device of claim 1, wherein: the thread directions of the two ends of the threaded rod (25) are opposite.

4. The civil construction rebar clamping device of claim 1, wherein: two grooves (262) are arranged on the clamping block (261).

5. The civil construction rebar clamping device of claim 1, wherein: the sound insulation layer (265) is made of sound absorption cotton.

6. The civil construction rebar clamping device of claim 1, wherein: the contact plate (264) is an elastic material.

7. The civil construction rebar clamping device of claim 1, wherein: the surface layer of the contact plate (264) is fixed with a wear-resistant layer (2641), and the surface of the contact plate (264) is fixed with a protrusion (2642).

8. The civil construction rebar clamping device of claim 7, wherein: the wear-resistant layer (2641) is made of PVC material.

9. The civil construction rebar clamping device of claim 7, wherein: the protrusion (2642) is shaped as a triangular pyramid having rounded apex angles.