CN220794882U

CN220794882U - Multifunctional reinforcing steel bar stretching device

Info

Publication number: CN220794882U
Application number: CN202322335852.3U
Authority: CN
Inventors: 刘敏; 傅博
Original assignee: Yiwu Zhengheng Construction Engineering Inspection Co ltd
Current assignee: Yiwu Zhengheng Construction Engineering Inspection Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-04-16
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses a multifunctional steel bar stretching device which comprises a frame, wherein an opening is formed in the left side of the frame, a grounding seat is rotatably connected to the left side of the frame, a supporting seat is fixedly arranged on the right side of the frame, an adjustable frame and a fixed frame are arranged in the frame, a pull rod is matched with the fixed frame, a tension meter is matched with one end of the pull rod, a hydraulic jack is arranged in the inner side of the frame, the telescopic end of the hydraulic jack is fixed with the tension meter, the end of the pull rod, far away from the tension meter, and a clamping device is fixed at the end of the adjustable frame, facing the pull rod; the device is simple to operate, and can rapidly finish tensile property detection.

Description

Multifunctional reinforcing steel bar stretching device

Technical Field

The utility model relates to a multifunctional reinforcing steel bar stretching device.

Background

The tensile test of the steel bar mainly detects the tensile strength of the steel bar, and in general, the tensile test is provided by a steel bar manufacturer, and a constructor does not need to test and directly applies the steel bar.

However, as the behaviors of material reduction in the process of stealing work by manufacturers are more frequent, the materials are often filled with materials again, and the low-grade steel bars are adopted to impersonate the high-grade steel bars, so that the necessity of spot inspection of the steel bars is very high.

The tensile test is carried out on a construction site, the yield strength of the steel bar is mainly detected when the steel bar breaks, the test is not needed for the specific performance of the steel bar, and the test is simpler. The traditional large tensile testing machine has higher cost and has only single tensile strength test function, so that the cost can be obviously increased when a reinforcing steel bar tensile testing machine is specially prepared on the construction site, and the detection steps are complicated and special personnel are required to operate.

Therefore, the multifunctional steel bar stretching device is simple to operate and capable of rapidly finishing tensile property detection.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a multifunctional reinforcing steel bar stretching device which is simple to operate and can rapidly finish tensile property detection.

The utility model is realized by the following technical scheme:

the utility model provides a multi-functional reinforcing bar stretching device, includes the frame, and the left side of frame sets up the opening, the left side of frame rotates and is connected with the ground connection seat, the right side fixed mounting of frame has the adjustable frame and fixed frame, through fixed frame cooperation has a pull rod, the one end cooperation of pull rod has the tensiometer the hydraulic jack is installed to the inboard of frame, hydraulic jack's flexible end with the tensiometer is fixed, the pull rod is kept away from the one end of tensiometer, and the adjustable frame is towards the one end of pull rod is all fixed with the clamp, and the tensiometer adopts the electron tensiometer, keeps the pulling force value when the fracture after the reinforcing bar breaks.

Preferably, the grounding seat comprises a base, a rotating seat is arranged at the top of the base, a bolt is matched between the stand and the rotating seat, the rotation resistance of the stand is increased after the bolt is tightened, and a through hole is formed in the middle of the base.

Preferably, the support base comprises a support plate, a threaded hole is formed in the plate surface of the support plate, a screw rod is matched with the support plate through the threaded hole, a grounding plate is assembled at the lower end of the screw rod, and a universal ball head is matched between the grounding plate and the screw rod.

Preferably, the side of the frame is penetrated with a plurality of mounting holes, a plurality of mounting holes are transversely arranged, a first bolt is matched between the adjustable frame and the mounting holes, and the clamping device is fixedly connected with the adjustable frame.

Preferably, the pull rod passes through the fixed frame, a guide groove is formed in the outer wall of the pull rod, a guide screw is screwed in through the fixed frame, the guide screw is screwed in to the guide groove, a C-shaped connecting piece is arranged at the left end of the pull rod, and a shearing bolt is matched between the C-shaped connecting piece and the clamping device.

Preferably, the clamping device comprises a base, a groove is formed in the top of the base, a through groove is matched with the groove, a limiting block is matched with the groove, a clamping tube is matched with the limiting block, the clamping tube is matched with the through groove, and a screw for clamping the steel bars to be tested is screwed into the clamping tube.

Preferably, the front side groove wall and the rear side groove wall of the groove are processed to form a guide inclined plane, an inner hole is formed in the limiting block, the aperture of the inner hole is larger than the inner diameter of the clamping pipe, a slot is formed in the outer portion of the limiting block, a plugboard is matched with the slot, the plugboard is inserted into the end in the inner hole, an arc-shaped clamping plate is arranged at the end, away from the clamping plate, of the plugboard, a stress inclined plane is arranged at the end, away from the clamping plate, of the plugboard, and the guide inclined plane acts on the stress inclined plane along with the displacement of the limiting block in the direction of the through groove, and the clamping plate clamps the tested steel bars at the moment.

The beneficial effects of the utility model are as follows:

the advantage one, in this device, realize by the quick clamping of clamping ware, carry out ejecting through hydraulic jack for the interval of both ends clamping ware is pulled apart, until the reinforcing bar is broken, shows the pulling force value when breaking through the tensiometer after breaking, with confirm whether just reaching standard of tensile properties, the test is comparatively simple, and the operation is comparatively simple, and equipment structure is simple, and the cost is lower.

The device has the advantages that the adjustable rack can be disassembled, the angle of the rack is rotated, one end of the reinforcing steel bar is fixed through the unremoved clamping device, the bent reinforcing steel bar is straightened through ejection of the hydraulic jack, and particularly, when a vertical beam of a building is poured, the part of the reinforcing steel bar, which emerges, is easy to bend, so that the device can be applied to straightening of the bent reinforcing steel bar and has multiple purposes.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the mating of the ground mount and the frame;

FIG. 3 is a schematic diagram of the cooperation of the support base and the frame;

fig. 4 is a front view of the frame;

FIG. 5 is a half cross-sectional view of a stop block;

fig. 6 is a side view of the splint.

Detailed Description

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

In the description of the present utility model, it should be understood that the terms "one end," "the other end," "the outer side," "the upper," "the inner side," "the horizontal," "coaxial," "the center," "the end," "the length," "the outer end," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, in the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "coupled," "connected," "plugged," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model provides a multi-functional reinforcing bar stretching device as shown in fig. 1, includes frame 1, and the left side of frame 1 sets up the opening, the left side of frame 1 rotates and is connected with ground connection seat 2, the right side fixed mounting of frame 1 has supporting seat 3 the internally mounted of frame 1 has adjustable frame 4 and fixed frame 5, through fixed frame 5 cooperation has a pull rod 6, the one end cooperation of pull rod 6 has pull gauge 7 the hydraulic jack 77 is installed to the inboard of frame 1, hydraulic jack 77's flexible end with pull gauge 7 is fixed, the pull rod 6 is kept away from the one end of pull gauge 7, and the one end that adjustable frame 4 faces pull rod 6 is all fixed with dress clamp 8.

Referring to fig. 2, in a preferred embodiment of the present utility model, the grounding seat 2 includes a base 21, a rotating seat 22 is disposed on top of the base 21, a bolt 23 is fitted between the frame 1 and the rotating seat 22, the rotation resistance of the frame 1 increases after the bolt 23 is tightened, and a through hole 24 is disposed at a middle position of the base 21.

In the above technical solution, the base 21 and the ground or the wall body can be fixed, the bent reinforcing steel bar is penetrated by the through hole 24, the adjustable frame 4 is removed, one end of the reinforcing steel bar is fixed by the clamping device 8, and the bent reinforcing steel bar is straightened by the pull rod 6 by ejection of the hydraulic jack 77.

Referring to fig. 3, in a preferred embodiment of the present utility model, the support base 3 includes a support plate 31, a threaded hole 32 is provided on a plate surface of the support plate 31, a screw 33 is matched with the threaded hole 32, a grounding plate 34 is assembled at a lower end of the screw 33, and a universal ball is matched between the grounding plate 34 and the screw.

Referring to fig. 2 and 4, in a preferred embodiment of the present utility model, a plurality of mounting holes 121 are formed through a side surface of the frame 1, the mounting holes 121 are laterally provided, a first bolt 421 is engaged between the adjustable frame 4 and the mounting holes 121, and the clamping device 8 is fixedly connected with the adjustable frame 4.

In the above technical solution, the adjustable frame 4 may be assembled by selecting a suitable mounting hole 121.

Referring to fig. 3, in a preferred embodiment of the present utility model, the pull rod passes through the fixing frame, a guiding groove 661 is provided at the outer wall of the pull rod 6, a guiding screw 666 is screwed into the fixing frame 5, the guiding screw 666 is screwed into the guiding groove 661, a C-shaped connecting member 662 is provided at the left end of the pull rod 6, and a shear bolt 663 is matched between the C-shaped connecting member 662 and the clamping device 8.

In the above technical scheme, the shear bolts 663 are used for connection, and when the tensile strength of the steel bar exceeds the testing capability of the tension meter, the shear bolts 663 are broken off, so that the overload is avoided to damage the tension meter.

Referring to fig. 2 and 5, in a preferred embodiment of the present utility model, the fixture 8 includes a base 81, a groove 82 is provided at the top of the base 81, the groove 82 is fitted with a through groove 83, a stopper 84 is fitted in the groove 82, the stopper 84 is fitted with a clamping tube 85, the clamping tube 85 is fitted in the through groove 83, and a screw 86 for clamping the steel bar to be tested is screwed into the outside of the clamping tube 85.

In the above technical scheme, the limiting block 84 can be taken out upwards, so that when a steel bar tensile test is performed, a plurality of limiting blocks 84 can be prepared, and the next steel bar to be tested can be prepared in the tensile test process, particularly in spot check, the samples are more, and the preparation time can be shortened and the tensile test efficiency can be accelerated by adopting the pre-clamping mode.

Referring to fig. 2, 5 and 6, in a preferred embodiment of the present utility model, the front and rear side walls of the groove 82 are processed to form a guiding inclined plane 811, an inner hole 812 is provided in the inner portion of the limiting block 84, the bore 812 has a larger diameter than the inner diameter of the clamping tube 85, a slot 813 is provided outside the limiting block 84, an insert plate 814 is matched with the slot 813, an arc-shaped clamping plate 815 is provided at the end of the insert plate 814 inserted into the inner hole 812, a stress inclined plane 816 is provided at the end of the insert plate 814 away from the clamping plate 815, and the guiding inclined plane 811 acts on the stress inclined plane 816 as the limiting block 84 moves toward the through groove 83, so that the clamping plate 815 clamps the tested steel bar.

According to the technical scheme, the inserting plate 814 can be driven to slide by using the tensile force, so that the clamping plate 815 clamps the steel bar, and the clamping firmness of the tested steel bar is further improved during a tensile test.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. A multifunctional reinforcing steel bar stretching device is characterized in that: including the frame, the left side of frame sets up the opening, the left side of frame rotates and is connected with the ground connection seat, the right side fixed mounting of frame has the supporting seat the internally mounted of frame has adjustable frame and fixed frame, through fixed frame cooperation has a pull rod, the one end cooperation of pull rod has the tensiometer the hydraulic jack is installed to the inboard of frame, hydraulic jack's flexible end with the tensiometer is fixed, the pull rod is kept away from the one end of tensiometer, and adjustable frame is towards the one end of pull rod is all fixed with dress clamp.

2. The multi-function rebar stretching device of claim 1, wherein: the grounding seat comprises a base, a rotating seat is arranged at the top of the base, a bolt is matched between the stand and the rotating seat, the rotation resistance of the stand is increased after the bolt is tightened, and a through hole is formed in the middle of the base.

3. The multi-function rebar stretching device of claim 1, wherein: the support seat comprises a support plate, a threaded hole is formed in the plate surface of the support plate, a screw rod is matched with the threaded hole, a grounding plate is arranged at the lower end of the screw rod, and a universal ball head is matched between the grounding plate and the screw rod.

4. The multi-function rebar stretching device of claim 1, wherein: the side of frame runs through there is the mounting hole, the mounting hole transversely is provided with a plurality of, adjustable frame with cooperate with first bolt between the mounting hole, the anchor clamps with adjustable frame fixed connection.

5. The multi-function rebar stretching device of claim 1, wherein: the pull rod passes through the fixed frame, the outer wall department of pull rod is provided with the guide way, through the fixed frame screw in has the guide screw, the guide screw in extremely the guide way, the left end of pull rod is provided with a C shape connecting piece, C shape connecting piece with the cooperation has the shear bolt between the clamping ware.

6. The multi-function rebar stretching device of claim 1, wherein: the clamping device comprises a base, wherein a groove is formed in the top of the base, a through groove is matched with the groove, a limiting block is matched with the groove, a clamping tube is matched with the limiting block, the clamping tube is matched with the through groove, and a screw for clamping the steel bars to be tested is screwed into the clamping tube.

7. The multi-function bar stretching device according to claim 6, wherein: the front and rear groove walls of the groove are processed to form a guide inclined plane, an inner hole is formed in the limiting block, the aperture of the inner hole is larger than the inner diameter of the clamping pipe, a slot is formed in the outer portion of the limiting block, a plugboard is matched with the slot, the plugboard is inserted into the end in the inner hole, an arc-shaped clamping plate is arranged at the end, away from the clamping plate, of the plugboard, a stress inclined plane is arranged at the end, away from the clamping plate, of the plugboard, the limiting block moves towards the direction of the through groove along with the limiting block, the guide inclined plane acts on the stress inclined plane, and the clamping plate clamps the tested steel bars at the moment.