Construction steel bar strength detection equipment

Abstract

The utility model relates to the technical field of construction steel bar strength detection, in particular to construction steel bar strength detection equipment. According to the technical scheme, the construction steel bar strength detection equipment comprises a steel bar strength stretching assembly and further comprises a steel bar clamping assembly; reinforcing steel bar clamping assemblies are arranged at the front end and the rear end of the reinforcing steel bar strength stretching assembly; the steel bar strength stretching assembly comprises a lifting table, a lifting air cylinder, a steel bar stretching wheel, a worm gear transmission shaft, a threaded rod, a worm gear rod, a laser altimeter, a scale needle and a height graduated scale. The reinforcing steel bar clamping assembly comprises a support and a reinforcing steel bar clamping jaw. According to the utility model, the worm gear rod drives the two groups of worm gear transmission shafts to simultaneously drive the threaded rod to rotate so as to realize the lifting function of the lifting platform, and the laser altimeter and the marking of the height scale and the scale needle are matched to realize the accurate measurement function of the tensile test of the reinforcing steel bar.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building steel strength detection, specifically relates to a building steel strength detection equipment. BACKGROUND

[0002] The existing building steel strength detection equipment is complex and inconvenient to assemble when testing the tensile strength of steel, usually needs to be combined and installed by multiple components, and the installation precision of each component is relatively high, which not only increases the workload and operation difficulty of the operator, but also easily affects the accuracy of the test result due to improper installation, and the tensile stroke of the equipment is prone to rebound during the test process, and when the tensile force of the steel reaches a certain degree, the steel will rebound to a certain extent due to the elastic deformation of the equipment itself or other reasons, resulting in inaccurate measurement of the elongation of the steel, and further affecting the accurate calculation of the tensile strength of the steel, so that the tensile test result of the steel has a large error.

[0003] Therefore, in view of the above-mentioned existing building steel strength detection equipment, the tensile test result of the steel is inaccurate due to the inconvenience of assembly and the rebound of the tensile stroke during the tensile strength test of the steel, and a building steel strength detection equipment can be designed. UTILITY MODEL CONTENTS

[0004] In order to overcome the problem that the existing building steel strength detection equipment is inconvenient to assemble and the tensile stroke is prone to rebound during the tensile strength test of the steel, resulting in inaccurate tensile test result of the steel.

[0005] The technical scheme of the utility model is: a building steel strength detection equipment, comprising a steel strength tensile assembly, and a steel clamping assembly; the steel strength tensile assembly is provided with a steel clamping assembly at both ends; the steel strength tensile assembly comprises a lifting platform, a lifting cylinder, a steel tensile wheel, a worm gear transmission shaft, a threaded rod, a worm gear rod, a laser height gauge, a scale needle and a height scale; the steel clamping assembly comprises a support and a steel clamping claw.

[0006] Preferably, the lifting function of the lifting platform is realized by driving two groups of worm gear transmission shafts to rotate the threaded rods at the same time, and the tensile test precision measurement function of the steel is realized by cooperating with the marking of the laser height gauge, the height scale and the scale needle, which solves the problem that the existing building steel strength detection equipment is inconvenient to assemble and the tensile stroke is prone to rebound during the tensile strength test of the steel, resulting in inaccurate tensile test result of the steel.

[0007] As preferred, the upper end of the lifting platform is provided with a lifting cylinder, and the shell of the lifting cylinder is fixedly connected with the lifting platform; the upper end of the lifting cylinder is provided with a steel bar stretching wheel, and the lower end four-corner limiting rods of the steel bar stretching wheel pass through the lifting platform; the inside of the two sides of the lifting platform is provided with a threaded rod, and the threaded rod drives the threaded lifting connection of the lifting platform.

[0008] As preferred, the outside of the threaded rod is sleeved with a worm gear shaft; the rear end of the two worm gear shafts is provided with a worm gear rod, and the worm gear rod is provided with one, and the worm gear rod rotationally drives the worm gear shaft to rotationally drive the threaded rod.

[0009] As preferred, the rear of the lifting platform is provided with a height scale; one side of the height scale is provided with a scale needle, and the scale needle is fixedly connected with the lower end four-corner limiting rods of the steel bar stretching wheel.

[0010] As preferred, the front and rear ends of the steel bar strength stretching assembly are provided with supports; the opposite surfaces of the two supports are provided with steel bar clamping claws.

[0011] As preferred, the clamping claw of the steel bar clamping claw is a hydraulic clamping claw, and the steel bar end head is clamped and fixed by hydraulic pressure.

[0012] As preferred, one side of the lifting platform is provided with a laser height measuring instrument, and the height measuring laser of the laser height measuring instrument is vertically downwardly measured.

[0013] The beneficial effects of the utility model are:

[0014] The existing building steel bar strength detection equipment has the problems that the assembly is inconvenient and the tensile stroke is easy to rebound during the tensile strength test of the steel bar, and the tensile test result of the steel bar is inaccurate; the lifting function of the lifting platform is realized by driving the two groups of worm gear shafts to rotationally drive the threaded rods through the worm gear rod, and the tensile test accurate measurement function of the steel bar is realized by cooperating with the labeling of the laser height measuring instrument, the height scale and the scale needle; the problems that the existing building steel bar strength detection equipment has the problems that the assembly is inconvenient and the tensile stroke is easy to rebound during the tensile strength test of the steel bar, and the tensile test result of the steel bar is inaccurate are solved.

[0015] Through the setting of the lifting cylinder, the two ends of the steel bar are clamped and fixed by the front and rear groups of steel bar clamping claws, at this time the steel bar is arranged below the steel bar stretching wheel, then the steel bar stretching wheel is adjusted to closely adhere to the middle upper end of the steel bar by the lifting cylinder, finally the rotation of the threaded rod is realized by rotating the worm gear rod, the lifting function of the lifting platform is realized by the rotation of the threaded rod and the screw thread of the inner wall of the lifting platform, and the tensile test function of the steel bar is realized, and the gap between the steel bar stretching wheel and the steel bar can be adjusted and adhered to realize calibration due to the setting of the lifting cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The overall three-dimensional structure schematic diagram of the building steel bar strength detection equipment is shown.

[0017] Figure 2 The overall front view three-dimensional structure schematic diagram of the building steel bar strength detection equipment is shown.

[0018] Figure 3 The steel bar strength tensile assembly three-dimensional structure schematic diagram of the building steel bar strength detection equipment is shown.

[0019] Figure 4 The steel bar clamping assembly three-dimensional structure schematic diagram of the building steel bar strength detection equipment is shown.

[0020] The marks in the drawings are: 1, steel bar strength tensile assembly; 2, steel bar clamping assembly; 101, lifting platform; 102, lifting air cylinder; 103, steel bar tensile wheel; 104, worm gear transmission shaft; 105, threaded rod; 106, worm gear rod; 107, laser height measuring instrument; 108, scale needle; 109, height scale; 201, support; 202, steel bar clamping claw. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples.

[0022] Please refer to Figures 1-4 The utility model provides an example: a building steel bar strength detection equipment, including steel bar strength tensile assembly 1, still including steel bar clamping assembly 2, steel bar strength tensile assembly 1's both ends are provided with steel bar clamping assembly 2, steel bar strength tensile assembly 1 includes lifting platform 101, lifting air cylinder 102, steel bar tensile wheel 103, worm gear transmission shaft 104, threaded rod 105, worm gear rod 106, laser height measuring instrument 107, scale needle 108, height scale 109, steel bar clamping assembly 2 includes support 201, steel bar clamping claw 202.

[0023] Please refer to Figures 1-4In the embodiment, the upper end of the lifting platform 101 is provided with a lifting cylinder 102, and the shell of the lifting cylinder 102 is fixedly connected with the lifting platform 101; the upper end of the lifting cylinder 102 is provided with a steel bar stretching wheel 103, and the lower end four corner limiting rods of the steel bar stretching wheel 103 pass through the lifting platform 101; the inner sides of the two sides of the lifting platform 101 are both provided with threaded rods 105, and the threaded rods 105 drive the threaded lifting connection of the lifting platform 101; the outer sides of the threaded rods 105 are provided with worm gear shafts 104; the rear ends of the two worm gear shafts 104 are provided with a worm gear rod 106, the worm gear rod 106 is provided with one, and the worm gear rod 106 rotationally drives the worm gear shaft 104 to rotationally drive the threaded rod 105; the rear of the lifting platform 101 is provided with a height scale 109; one side of the height scale 109 is provided with a scale needle 108, and the scale needle 108 is fixedly connected with the lower end four corner limiting rods of the steel bar stretching wheel 103; the front and rear ends of the steel bar strength stretching assembly 1 are both provided with supports 201; the opposite faces of the two supports 201 are both provided with steel bar clamping claws 202; the clamping claws of the steel bar clamping claws 202 are hydraulic clamping claws, and the steel bar end is hydraulically clamped and fixed; one side of the lifting platform 101 is provided with a laser height measuring instrument 107, and the height measuring laser of the laser height measuring instrument 107 is vertically downwardly arranged.

[0024] In the working process, first, the two ends of the steel bar are clamped and fixed by the front and rear groups of steel bar clamping claws 202, at this time, the steel bar is arranged below the steel bar stretching wheel 103, then the lifting cylinder 102 is used to adjust the steel bar stretching wheel 103 to tightly adhere to the middle upper end of the steel bar, finally, the rotation of the threaded rod 105 is realized by rotating the worm gear rod 106, the lifting function of the lifting platform 101 is realized by the rotation of the threaded rod 105 and the threaded action of the inner wall of the lifting platform 101, and the tensile test function of the steel bar is realized, and because of the arrangement of the lifting cylinder 102, the gap between the steel bar stretching wheel 103 and the steel bar can be adjusted to realize calibration.

[0025] Then, the lifting function of the lifting platform 101 is realized by driving the two groups of worm gear shafts 104 to rotationally drive the threaded rods 105 by the worm gear rod 106, and the tensile test precision measurement function of the steel bar is realized by cooperating with the marking of the laser height measuring instrument 107, the height scale 109 and the scale needle 108; the problem that the existing building steel bar strength detection equipment is inconvenient to assemble and the tensile stroke is easy to rebound when testing the tensile strength of the steel bar, causing the tensile test result of the steel bar to be inaccurate is solved.

[0026] Through the above steps, the lifting function of the lifting platform 101 is realized by driving the two groups of worm gear shafts 104 to rotate the threaded rods 105 through the worm gear rod 106, and the precise measurement function of the steel bar tensile test is realized by cooperating with the marking of the laser height gauge 107, the height scale 109 and the scale needle 108, which avoids the problems of the existing building steel strength detection equipment, such as inconvenient assembly during the steel bar tensile strength test and easy rebound of the tensile stroke, resulting in inaccurate steel bar tensile test results.

Claims

1. A device for testing the strength of reinforcing steel bars in construction, comprising a steel bar strength tensile assembly (1), characterized in that: It also includes a rebar clamping assembly (2); the rebar strength tensioning assembly (1) is provided with rebar clamping assemblies (2) at both ends; the rebar strength tensioning assembly (1) includes a lifting platform (101), a lifting cylinder (102), a rebar tensioning wheel (103), a worm gear drive shaft (104), a threaded rod (105), a worm gear rod (106), a laser height measuring instrument (107), a scale needle (108), and a height scale (109); the rebar clamping assembly (2) includes a bracket (201) and a rebar clamping claw (202).

2. The building steel reinforcement strength testing equipment according to claim 1, characterized in that: A lifting cylinder (102) is provided at the upper end of the lifting platform (101), and the outer shell of the lifting cylinder (102) is fixedly connected to the lifting platform (101); a steel bar tensioning wheel (103) is provided at the upper end of the lifting cylinder (102), and the four corner limit rods at the lower end of the steel bar tensioning wheel (103) pass through the lifting platform (101); threaded rods (105) are provided inside both sides of the lifting platform (101), and the threaded rods (105) drive the lifting platform (101) to be threadedly lifted and lowered.

3. The building steel reinforcement strength testing equipment according to claim 2, characterized in that: A worm gear drive shaft (104) is sleeved on the outside of the threaded rod (105); a worm gear rod (106) is provided at the rear end of the two worm gear drive shafts (104), and there is one worm gear rod (106), and the rotation of the worm gear rod (106) drives the worm gear drive shaft (104) to drive the threaded rod (105) to rotate and connect.

4. The building steel reinforcement strength testing equipment according to claim 1, characterized in that: A height scale (109) is provided at the rear of the lifting platform (101); a scale needle (108) is provided on one side of the height scale (109), and the scale needle (108) is fixedly connected to the four corner limit rods at the lower end of the steel bar tensioning wheel (103).

5. The building steel reinforcement strength testing equipment according to claim 1, characterized in that: The front and rear ends of the steel bar strength tensioning assembly (1) are provided with brackets (201); the opposite sides of the two brackets (201) are provided with steel bar clamping claws (202).

6. The building steel reinforcement strength testing equipment according to claim 5, characterized in that: The clamping claw of the rebar clamping claw (202) is a hydraulic clamping claw, which hydraulically clamps and fixes the end of the rebar.

7. The building steel reinforcement strength testing equipment according to claim 1, characterized in that: A laser height measuring instrument (107) is installed on one side of the lifting platform (101), and the height measuring laser of the laser height measuring instrument (107) is set to measure vertically downward.

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