CN215671169U - Device for assisting connection of straight threaded joint of reinforcing steel bar - Google Patents

Abstract

The utility model relates to a device for assisting the connection of a straight threaded joint of a reinforcing steel bar, which comprises a support frame, wherein a stepless speed changer is arranged in the support frame, a universal joint is arranged at the output end of the stepless speed changer, a steel bar is arranged at one end of the universal joint, which is far away from the stepless speed changer, and a left torque wrench is arranged at the other end of the steel bar; twist the sleeve into the joint department of first reinforcing bar, twist 1 ~ 2 screw threads of sleeve with the joint of second reinforcing bar again, press from both sides tight first reinforcing bar with left torque wrench and keep away from telescopic end department, right side torque wrench presss from both sides tight second reinforcing bar department, at stepless speed change machine, make the incessantly rotation of left torque wrench under the cooperation of universal joint and rod iron, then drive in the second reinforcing bar connects whole twists the sleeve, through the installation that can accomplish two reinforcing bar straight thread connection joints in short time like this, it is high to have work efficiency, reinforcing bar joint installation stable quality, it satisfies standard requirement to tighten moment numerical value, the advantage that rework rate is low.

Description

Device for assisting connection of straight threaded joint of reinforcing steel bar

Technical Field

The utility model relates to the technical field of steel bar joint installation, in particular to a device for assisting connection of a steel bar straight thread joint.

Background

In the installation process of the traditional straight threaded connection joint for the reinforcing steel bars, one person needs to use a torque wrench to clamp a sleeve by hand, the other person uses the torque wrench to clamp the reinforcing steel bars, the wrench is rotated by force in the opposite direction, and the two persons cooperate in a resultant force manner until the screw heads of the reinforcing steel bars are screwed into the sleeve to reach the specified screwing length, so that the manual operation efficiency is low, the connection quality of the joint is unstable, the screwing torque value is small, and convenience cannot be brought to working personnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a device for assisting the connection of a steel bar straight thread joint, which has the advantages that the steel bar straight thread joint can be quickly connected in a short time, the working efficiency is high, the installation quality of the steel bar joint is stable, the tightening torque value meets the standard requirement, and the rework rate is low.

The technical scheme for realizing the purpose is as follows:

the utility model provides a device for assisting in connecting a straight threaded joint of a reinforcing steel bar, which comprises a support frame, wherein a stepless speed changer is arranged in the support frame, a universal joint is arranged at the output end of the stepless speed changer, a steel bar is arranged at one end, far away from the stepless speed changer, of the universal joint, a left torque wrench is arranged at the other end of the steel bar, a first reinforcing steel bar is clamped in the left torque wrench, a second reinforcing steel bar is arranged at one side, far away from the left torque wrench, of the first reinforcing steel bar, a sleeve is in threaded connection with the end of the second reinforcing steel bar and the end of the first reinforcing steel bar, a right torque wrench is arranged on the outer side wall of the second reinforcing steel bar, and brackets are arranged at the bottoms of the second reinforcing steel bar, the first reinforcing steel bar and the steel bar.

Preferably, a protective cover is arranged on the outer side of the steel bar. To avoid the contact of the staff with the rotating steel bar.

Preferably, both ends of the protective cover are of U-shaped structures. The protection cover is convenient for workers to install.

Preferably, a starting button is installed at the end of the support frame, and the starting button is connected with the stepless speed changer through a wire. The stepless speed changer can be controlled to stop and rotate by starting the button, and the use of workers is facilitated.

Preferably, the number of the brackets is four. In order to make the bracket more firmly support the first reinforcing steel bar and the second reinforcing steel bar.

Preferably, the support frame and the bracket bottom are on the same plane. In order to make the carrier more stable during use.

Preferably, the bracket is a steel member. To avoid breakage of the bracket due to wear of the first and second reinforcing bars.

The utility model has the beneficial effects that: in the using process, the sleeve is screwed into the joint of the first steel bar, the joint of the second steel bar is screwed into the 1-2 screw threads of the sleeve, the left torque wrench is used for clamping the end part of the first steel bar far away from the sleeve, the right torque wrench is used for clamping the second steel bar, the left torque wrench is enabled to rotate ceaselessly under the matching of the stepless speed changer, the universal joint and the steel bar, and then the second steel bar joint is driven to be screwed into the sleeve completely.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the support frame and the shield of FIG. 1 according to the present invention;

FIG. 3 is a schematic front surface view of the continuously variable transmission of FIG. 2 according to the present invention;

description of reference numerals:

1. a support frame; 2. a continuously variable transmission; 3. a protective cover; 4. a first reinforcing bar; 5. a right torque wrench; 6. a sleeve; 7. a bracket; 8. a universal joint; 9. a steel bar; 10. a left torque wrench; 11. a start button; 12. and a second reinforcing bar.

Detailed Description

The utility model is further described with reference to the following figures and specific examples.

Referring to fig. 1 to 3, the utility model provides a device for assisting in connecting a straight threaded joint of a steel bar, which comprises a support frame 1, wherein a stepless speed changer 2 is installed inside the support frame 1, a universal joint 8 is installed at the output end of the stepless speed changer 2, a steel bar 9 is installed at one end, away from the stepless speed changer 2, of the universal joint 8, a left torque wrench 10 is installed at the other end of the steel bar 9, a first steel bar 4 is clamped inside the left torque wrench 10, a second steel bar 12 is installed at one side, away from the left torque wrench 10, of the first steel bar 4, a sleeve 6 is in threaded connection with the end of the second steel bar 12 and the end of the first steel bar 4, a right torque wrench 5 is installed on the outer side wall of the second steel bar 12, and brackets 7 are installed at the bottoms of the second steel bar 12, the first steel bar 4 and the steel bar 9.

In this example, twist sleeve 6 into the joint department of first reinforcing bar 4, twist 1 ~ 2 department screw threads back of sleeve 6 with the joint of second reinforcing bar 12 again, press from both sides tight first reinforcing bar 4 with left torque wrench 10 and keep away from the end department of sleeve 6, right torque wrench 5 presss from both sides tight second reinforcing bar 12 department, at infinitely variable speed machine 2, make left torque wrench 10 incessantly rotate under the cooperation of universal joint 8 and rod iron 9, then drive in second reinforcing bar 12 connects all twists sleeve 6, through the installation that can accomplish two reinforcing bar straight thread connection joints fast like this in short time, have work efficiency height, the steel bar joint installation quality is stable, it satisfies standard requirement to tighten moment numerical value, the low characteristics of rework rate.

Further, as shown in fig. 1, a protective cover 3 is installed on the outer side of the steel bar 9, the steel bar 9 can be protected through the protective cover 3, and workers are prevented from contacting the rotating steel bar 9.

Further, as shown in fig. 1, two ends of the protection cover 3 are U-shaped, and when the protection cover 3 needs to be taken out and installed, the protection cover 3 only needs to be moved upwards or downwards, so that the protection cover 3 can be conveniently installed by a worker.

Further, as shown in fig. 1, a start button 11 is installed at an end of the support frame 1, the start button 11 is connected with the continuously variable transmission 2 through a wire, and the stop and rotation of the continuously variable transmission 2 can be controlled by the start button 11, so that the use by a worker is facilitated.

Further, as shown in fig. 1, the number of the brackets 7 is four, by which the brackets 7 can be more firmly supported to the first reinforcing bars 4 and the second reinforcing bars 12.

Further, as shown in fig. 1, the bottoms of the support frame 1 and the bracket 7 are on the same plane, so that the bracket 7 and the support frame 1 can both contact the ground, and the bracket 7 is more stable in the using process.

Further, as shown in fig. 1, the bracket 7 is made of steel, which has good wear resistance and can prevent the bracket 7 from being broken due to the abrasion of the first reinforcing steel bar 4 and the second reinforcing steel bar 12 during use.

In this example, the continuously variable transmission 2 is of the model JWB-X0.75B-40D.

The working principle of the utility model is as follows: in the using process, the joint of a first steel bar 4 and a second steel bar 12 is threaded, the first steel bar 4 and the second steel bar 12 are placed on a bracket 7, a sleeve 6 is screwed into the joint of the first steel bar 4, then the joint of the second steel bar 12 is screwed into 1-2 screw threads of the sleeve 6, the end of the first steel bar 4 far away from the sleeve 6 is clamped by a left torque wrench 10, the second steel bar 12 is clamped by a right torque wrench 5, a stepless speed changer 2 is started to drive a universal joint 8 to rotate, the universal joint is transmitted to a left torque wrench 10 through a steel bar 9, and then the second steel bar 12 is driven to be screwed into the sleeve 6 through continuous rotation of the left torque wrench 10, so that the installation of two steel bar straight thread connection joints can be quickly completed in a short time.

While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the utility model is to be determined by the appended claims.

Claims (7)

1. The utility model provides a device that supplementary straight screwed joint of reinforcing bar connects, a serial communication port, which comprises a supporting fram, the internally mounted of support frame has infinitely variable speed machine, the universal joint is installed to infinitely variable speed machine's output, the universal joint is kept away from the rod iron is installed to infinitely variable speed machine's one end, left torque wrench is installed to the other end of rod iron, left side torque wrench's inside centre gripping has first reinforcing bar, first reinforcing bar is kept away from the second reinforcing bar is installed to one side of left side torque wrench, the second reinforcing bar with the end department threaded connection of first reinforcing bar has the sleeve, right torque wrench is installed to the lateral wall of second reinforcing bar, the second reinforcing bar first reinforcing bar with the bracket is all installed to the bottom of rod iron.

2. A device for assisting the connection of a steel bar straight thread joint according to claim 1, wherein a protective cover is installed on the outer side of the steel bar.

3. A device for assisting the connection of a straight threaded joint of reinforcing bars according to claim 2, characterized in that said protection casing has a U-shaped configuration.

4. The device for assisting the connection of the straight threaded joint of the reinforcing steel bars as claimed in claim 1, wherein a start button is installed at the end of the support frame, and the start button is connected with the stepless speed change machine through a lead.

5. An apparatus for assisting the connection of a reinforcing bar straight thread joint according to claim 1, wherein the number of the brackets is four.

6. A device for assisting the connection of a straight threaded joint of reinforcing bars according to claim 1, wherein the support bracket and the bottom of the bracket are in the same plane.

7. An apparatus for assisting the connection of a steel straight thread joint according to claim 1, wherein the bracket is a steel member.

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