CN212031159U

CN212031159U - Steel construction tensile test detection device

Info

Publication number: CN212031159U
Application number: CN202020802215.6U
Authority: CN
Inventors: 于晓伟; 张梦龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-11-27
Anticipated expiration: 2030-05-14

Abstract

The utility model provides a steel construction tensile test detection device, the power distribution box comprises a box body, box inner wall top is fixed with U type frame, U type frame bottom articulates there is infrared lamp, box inner wall top right side is fixed with the link, link bottom fixedly connected with hydraulic cylinder, the below of hydraulic cylinder and the top fixed connection of telescopic link, the below and the first tooth of telescopic link press from both sides fixed connection, the upper end of first tooth presss from both sides is provided with one deck speculum surface, box inner wall right side is fixed with the scale, the box below is fixed with the base, base upper left side and two bracing piece fixed connection, it carries out the tensile test to the reinforcing bar to have avoided the manual work, time saving and labor saving, labor cost is saved, and work efficiency is greatly improved, and simultaneously, the very big potential safety hazard that has avoided the manual test probably to cause, tester's life.

Description

Steel construction tensile test detection device

Technical Field

The utility model relates to a tensile test detects technical field, specifically is a steel construction tensile test detection device.

Background

The reinforcing steel bar is steel for reinforced concrete and prestressed reinforced concrete, and the cross section of the reinforcing steel bar is circular or square with round corners. Comprises plain round steel bars, ribbed steel bars and twisted steel bars. The reinforcing steel bar for reinforced concrete is straight bar or wire rod-shaped steel for reinforcing steel bar for reinforced concrete, the shape of the reinforcing steel bar is smooth steel bar and deformed steel bar, and the delivery state is straight bar and wire rod.

Building engineering, the engineering entity that forms through the construction of various housing constructions and attached facility and rather than supporting circuit, pipeline, the installation activity of equipment, in order to guarantee the quality of building, all can detect building material, and guarantee that building construction can not go wrong after coming out, and when examining the reinforcing bar, can stretch out to detect and crooked detection to the reinforcing bar usually, at university, mr often can bring students to carry out some scientific research, stretch out to detect to the reinforcing bar also be one of the project studied, when artifical stretch out to the reinforcing bar and examine, waste time and energy, intensity of labour is big, be injured by the reinforcing bar easily in the testing process, very inconvenient and dangerous.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel construction tensile test detection device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a steel structure tensile test detection device comprises a box body, wherein a U-shaped frame is fixed on the top of the inner wall of the box body, an infrared lamp is hinged to the bottom of the U-shaped frame, a connecting frame is fixed on the right side of the top of the inner wall of the box body, a hydraulic oil cylinder is fixedly connected to the bottom of the connecting frame, the lower portion of the hydraulic oil cylinder is fixedly connected with the upper portion of a telescopic rod, the lower portion of the telescopic rod is fixedly connected with a first tooth clamp, a layer of reflecting mirror surface is arranged at the upper end of the first tooth clamp, a graduated scale is fixed on the right side of the inner wall of the box body, a base is fixed on the lower portion of the box body, the upper left portion of the base is fixedly connected with two support rods, a second tooth clamp is fixed on the upper portions of the two support rods, the second tooth clamp is composed of a tooth clamp seat, a fixed tooth clamp, a threaded rod, a fixed, a threaded rod is fixed on the right side of the tooth clamp seat, the right side of the threaded rod penetrates through the fixed tooth clamp, and the right end part of the threaded rod is in threaded connection with the fixed nut.

Preferably, the first tooth clamp and the second tooth clamp are both provided with steel pipe clamp grooves.

Preferably, the connecting part of the fixed tooth clamp and the threaded rod is hollow, and the radius of the hollow part of the fixed tooth clamp is larger than that of the threaded rod.

Preferably, the two support rods and the first tooth clamp evenly divide the measured steel pipe into three equal parts.

Compared with the prior art, the beneficial effects of the utility model are that: fix the reinforcing bar that will measure in the box below through two second tooth clamps, the right-hand member is got to first tooth clamp, drive first tooth clamp rebound through hydraulic cylinder, give ascending pulling force of reinforcing bar with this, cause the reinforcing bar to take place deformation, make the reflector surface of first tooth clamp top take place slight shifting up, with this infrared ray incident angle that changes the infrared lamp and shine on the reflector surface, make the initial firing angle of infrared ray on the reflector surface follow the change, and make the position of infrared ray on the reflector surface reflection on the scale change, calculate the deformation degree of reinforcing bar, and calculate the pulling force that the reinforcing bar received according to the elastic coefficient of reinforcing bar. The steel bar tension testing device has the advantages that manual tension testing on the steel bars is avoided, time and labor are saved, labor cost is saved, working efficiency is greatly improved, meanwhile, potential safety hazards possibly caused by manual testing are greatly avoided, and life safety of testers is guaranteed.

Drawings

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

fig. 2 is a schematic view of a second tooth clamp according to the present invention.

In the figure: 1. the infrared lamp comprises a box body, 2, a U-shaped frame, 3, an infrared lamp, 4, a connecting frame, 5, a hydraulic oil cylinder, 6, an expansion rod, 7, a first tooth clamp, 71, a reflector surface, 8, a scale, 9, a second tooth clamp, 91, a tooth clamp seat, 92, a fixed tooth clamp, 93, a threaded rod, 94, a fixing nut, 95, a sliding block, 96, a sliding groove, 10, a supporting rod, 11 and a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: a steel structure tensile test detection device comprises a box body 1, a U-shaped frame 2 is fixed on the top of the inner wall of the box body 1, an infrared lamp 3 is hinged at the bottom of the U-shaped frame 2, a connecting frame 4 is fixed on the right side of the top of the inner wall of the box body 1, a hydraulic oil cylinder 5 is fixedly connected at the bottom of the connecting frame 4, the lower part of the hydraulic oil cylinder 5 is fixedly connected with the upper part of a telescopic rod 6, the lower part of the telescopic rod 6 is fixedly connected with a first tooth clamp 7, a layer of reflecting mirror 71 is arranged at the upper end of the first tooth clamp 7, a graduated scale 8 is fixed on the right side of the inner wall of the box body 1, a base 11 is fixed below the box body 1, the upper left part of the base 11 is fixedly connected with two support rods 10, a second tooth clamp 9 is fixed above the two support rods 10, the second tooth clamp 9 is composed of a tooth clamp seat, the lower part of the fixed tooth clamp 92 is fixedly connected with a sliding block 95, the sliding block 95 is in sliding connection with a sliding way 96, the fixed tooth clamp 92 is in sliding connection with a tooth clamp seat 91 through the sliding block 95, a threaded rod 93 is fixed on the right side of the tooth clamp seat 91, the right side of the threaded rod 93 penetrates through the fixed tooth clamp 92, and the right end part of the threaded rod 93 is in threaded connection with a fixed nut 94.

Furthermore, the first tooth clamp 7 and the second tooth clamp 9 are both provided with steel pipe clamp grooves.

Furthermore, the connecting portion of the fixing tooth clamp 92 and the threaded rod 93 is hollow, and the radius of the hollow portion of the fixing tooth clamp 92 is larger than that of the threaded rod 93.

Furthermore, the two support rods 10 and the first tooth clamp 7 evenly divide the measured steel pipe into three equal parts.

The working principle is as follows: placing a steel bar to be measured at a clamping groove position in the middle of a second tooth clamp 9, sliding a fixed tooth clamp 92 to enable a tooth clamp seat 91 and the fixed tooth clamp 92 to clamp the steel bar and keep the steel bar horizontal, screwing a fixed nut 94 to enable the fixed nut 94 to rotate on a threaded rod 93 towards the direction of the fixed tooth clamp 92 until the tooth clamp seat 91 and the fixed tooth clamp 92 clamp the steel bar to be measured, clamping a first tooth clamp 7 at the right end of the steel bar to be measured, uniformly dividing the steel bar into three equal parts by two second tooth clamps 9 and 7, adjusting a U-shaped frame 2 after the first tooth clamp 7 and the two second tooth clamps 9 are fixed, enabling infrared rays emitted by an infrared lamp 3 to be reflected at the middle position of a graduated scale 8 through an infrared reflecting mirror 71, starting a hydraulic oil cylinder 5, applying a vertical upward force to the first tooth clamp 7 through an expansion rod 6 to pull the right end of the steel bar to deform upwards, the first tooth clamp 7 is caused to slightly move upwards, the reflector 71 is driven to move upwards, the incidence angle of infrared rays emitted by the infrared lamp 3 on the reflector 71 is changed, the emergence angle of the infrared rays is also changed, the infrared scales emitted on the graduated scale 8 through the reflector 7 are changed, the deformation of the steel bar is calculated through the change of the scales on the graduated scale 8, and the force applied to the steel bar in deformation is obtained according to the elastic coefficient of the steel bar.

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. The utility model provides a steel construction tensile test detection device, includes box (1), its characterized in that: box (1) inner wall top is fixed with U type frame (2), U type frame (2) bottom articulates there are infrared lamp (3), box (1) inner wall top right side is fixed with link (4), link (4) bottom fixedly connected with hydraulic cylinder (5), the below of hydraulic cylinder (5) and the top fixed connection of telescopic link (6), the below and first tooth clamp (7) fixed connection of telescopic link (6), the upper end of first tooth clamp (7) is provided with one deck reflection mirror surface (71), box (1) inner wall right side is fixed with scale (8), box (1) below is fixed with base (11), base (11) upper left side and two bracing piece (10) fixed connection, all be fixed with second tooth clamp (9) above two bracing piece (10), second tooth clamp (9) are by tooth clamp seat (91), fixed tooth clamp (92), threaded rod (93), Fixing nut (94), slider (95) and slide (96) are constituteed, tooth holder (91) are fixed in bracing piece (10) top, fixed tooth presss from both sides (92) below and slider (95) fixed connection, slider (95) and slide (96) sliding connection, fixed tooth presss from both sides (92) through slider (95) and tooth holder (91) sliding connection, tooth holder (91) right side is fixed with threaded rod (93), fixed tooth presss from both sides (92) are passed on threaded rod (93) right side, the right-hand member portion and fixing nut (94) threaded connection of threaded rod (93).

2. The steel structure tensile test detection device of claim 1, wherein: and the first tooth clamp (7) and the second tooth clamp (9) are both provided with steel pipe clamp grooves.

3. The steel structure tensile test detection device of claim 1, wherein: the connecting part of the fixed tooth clamp (92) and the threaded rod (93) is hollow, and the radius of the hollow part of the fixed tooth clamp (92) is larger than that of the threaded rod (93).

4. The steel structure tensile test detection device of claim 1, wherein: the two support rods (10) and the first tooth clamp (7) evenly divide the measured steel pipe into three equal parts.