CN104880365A - Reinforcing-steel-bar shearing resistance testing clamp - Google Patents
Reinforcing-steel-bar shearing resistance testing clamp Download PDFInfo
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- CN104880365A CN104880365A CN201510376735.9A CN201510376735A CN104880365A CN 104880365 A CN104880365 A CN 104880365A CN 201510376735 A CN201510376735 A CN 201510376735A CN 104880365 A CN104880365 A CN 104880365A
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- hole
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- reinforcing bar
- shearing resistance
- reinforcing
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Abstract
The invention discloses a reinforcing-steel-bar shearing resistance testing clamp. The reinforcing-steel-bar shearing resistance testing clamp comprises a clamping block and two reinforcing-steel-bar fixing blocks located at the bottom of the clamping block. A strip-shaped slot is formed in the bottom face of the clamping block in the horizontal straight line direction. Clamping blocks in sliding fit with the strip-shaped slot are arranged at the top faces of the two reinforcing-steel-bar fixing blocks respectively, so that the two reinforcing-steel-bar fixing blocks can oppositely move in the length direction of the strip-shaped slot. Positioning devices capable of positioning the reinforcing-steel-bar fixing blocks are arranged on the clamping blocks. Through holes are coaxially formed in the two reinforcing-steel-bar fixing blocks in the length direction of the strip-shaped slot respectively. The reinforcing-steel-bar shearing resistance testing clamp is simple in structure and convenient to operate, shearing resistance testing can be carried out on reinforcing steel bars in different diameter specifications, the test investment cost is reduced, and the test efficiency is improved.
Description
Technical field
The present invention relates to a kind of reinforcement property test fixture, be specifically related to a kind of reinforcing bar shearing resistance test fixture.
Background technology
In order to ensure the physical strength of buildings, need to test to the shearing resistance of welded steel fabric solder joint.Shearing resistance test measures the drag performance of reinforcing bar under shearing force effect, and be one of fundamental test method of test reinforcing bar mechanical test, the unit clamp be placed on testing machine chuck realizes.The common method of inspection is carried out integrally welded for randomly drawing two reinforcing bars according to T-type structure, fixes the transverse ends of reinforcing bar sample, then applies test force, to check its shearing resistance to the longitudinal direction end of reinforcing bar sample.In currently available technology, the fixture of shearing resistance test is all in chuck body, arrange a T-slot matched with T-steel muscle, is positioned in T-slot by T-steel muscle and carries out test experiments.But for the reinforcing bar of different-diameter size, it is when shearing resistance test, the transverse steel point of fixity at T-steel muscle pad two ends is not identical, the fixture of many cover different sizes so just must be prepared for the reinforcing bar of different size diameter, the input cost of experiment will be increased, when in addition test experiments being carried out to the T-steel muscle of many group different-diameters, just need on testing machine, change different fixtures, reduce conventional efficient.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical matters to be solved by this invention is: how to provide a kind of structure simple, easy to operate, reduce input cost, improve the reinforcing bar shearing resistance test fixture of conventional efficient.
In order to solve the problems of the technologies described above, present invention employs following technical scheme:
A kind of reinforcing bar shearing resistance test fixture, it is characterized in that: comprise grip block and be positioned at two reinforcing bar fixed blocks bottom grip block, the bottom surface of described grip block is provided with a strip-shaped clamp groove along horizontal linear direction, the end face of two described reinforcing bar fixed blocks is provided with the fixture block that is slidably matched with strip-shaped clamp groove separately and makes two described reinforcing bar fixed blocks can along the relative motion of strip-shaped clamp groove length direction, described grip block is provided with the locating device that described reinforcing bar fixed block can be made to locate, two described reinforcing bar fixed blocks are provided with through hole separately along described strip-shaped clamp groove length direction coaxial inner conductor.
In the present invention, during test, first the two pieces of reinforcing bar fixed blocks operated bottom grip block slide along opposing direction, and the distance between two pieces of reinforcing bar fixed blocks must be greater than the length of transverse steel in T-steel muscle, in the through hole conveniently making the two ends of transverse steel be inserted into respectively in reinforcing bar fixed block.And then operate two pieces of reinforcing bar fixed blocks and slide along relative direction, reinforcing bar fixed position respectively on adjustment two pieces of reinforcing bar fixed blocks and the distance of T-steel muscle pad, regulate rear dependence locating device by fixing for reinforcing bar fixed block location, the vertical reinforcement finally utilizing testing machine to clamp grip block and T-steel muscle respectively carries out test experience.Its structure is simple, easy to operate, only the distance between two reinforcing bar fixed blocks need be regulated just can to meet the test experience requirement of different size reinforcing bar, decrease the input of fixture cost of manufacture, also no longer frequently change fixture in an experiment simultaneously, improve conventional efficient.
As optimization, described locating device comprises clamping screw and is positioned at the strip through-hole be communicated with on described grip block side and with described strip-shaped clamp groove, strip through-hole to be arranged and the length of strip through-hole is less than the length of described strip-shaped clamp groove along the length direction of described strip-shaped clamp groove, described clamping screw comprises bolt head and body of bolt, one end of body of bolt extend in described strip-shaped clamp groove through described strip through-hole, the other end is fixedly connected with described bolt head, the width across corners of described bolt head is greater than the width of described strip through-hole, described fixture block is provided with the screw with described body of bolt threaded engagement, the length of described body of bolt is less than the degree of depth of described strip through-hole and the degree of depth sum of described screw.Rotational lock bolt, bolt head is moved towards away from strip through-hole direction, and such fixture block just can move freely in strip-shaped clamp groove.When needs stationary positioned, after regulating reinforcing bar fixed block position, rotational lock bolt, bolt head is made to move towards strip through-hole direction and be connected on the grip block of strip through-hole both sides, so just fixture block just cannot be continued to move in strip-shaped clamp groove, reinforcing bar fixed block has been located, and it is convenient to operation, improves test experience efficiency.
As optimization, the top of described grip block is fixedly connected with column type supporting rod, and the axial line of column type supporting rod is perpendicular to the axial line of described through hole, and the outside surface of described column type supporting rod is provided with annular knurl line.In the process of test experience, testing machine chuck needs to clamp grip block, but when clamping grip block, must adjust transverse steel in T-steel muscle and be in horizontality.And the axial line of column type supporting rod is perpendicular to the axial line of through hole, so no matter how the clamping head of testing machine clamps column type supporting rod, remain the levelness of transverse steel in T-steel muscle, just adjustment link is decreased like this when fixture is installed, shorten the time of test experience, improve work efficiency.
As optimization, the side of described grip block is provided with the rule of the spacing size for measuring two described reinforcing bar fixed blocks along described strip-shaped clamp groove length direction.Relative to after adjustment two reinforcing bar fixed blocks more other dip stick carry out measurement and check, further simplify running program, improve work efficiency.
As optimization, described through hole is column type through hole, and the bottom of column type through hole is provided with V-type groove along described column type through hole length direction, and two sides of V-type groove are tangent with described column type through hole respectively.After transverse steel in T-steel muscle is inserted into through hole, transverse steel is just embedded in V-type groove, and V-type groove can transversely be fixed by reinforcing bar in the radial direction, avoids and is subjected to displacement in the process of test experience, causes the inaccurate of experimental result.V-type groove can adapt to the reinforcing bar of various diameter in addition, improves versatility.
As optimization, described grip block is provided with the opening that can be inserted into for described fixture block in described strip-shaped clamp groove.When transverse steel length in T-steel muscle is greater than the sliding distance of two reinforcing bar fixed blocks on grip block, fixture block can be taken out from grip block by opening, separately reinforcing bar fixed block is enclosed within after on transverse steel, then by opening, fixture block is inserted in strip-shaped clamp groove, improves versatility.
As optimization, the highest point of described through hole inner top surface is arranged with multiple pilot hole along described through hole radial direction along described through hole length direction interval, bar shaped press strip is provided with along described through hole length direction in described through hole, the position that the end face of bar shaped press strip is corresponding with described pilot hole is fixedly connected with guide pole, one end of guide pole to extend in described pilot hole and is slidably matched with described pilot hole, be provided with as described bar shaped press strip compresses the spring that reinforcing bar to be detected provides spring force in described pilot hole, one end of spring is connected with bottom pilot hole, the other end is connected with described guide pole.In T-steel muscle, transverse steel is inserted in through hole, and after regulating two pieces of reinforcing bar fixed blocks to relevant position, just can carry out test experience.But before testing, testing staff may touch T-steel muscle, the fixed position of transverse steel in T-steel muscle will be caused like this to change, affect the accuracy of experimental result.First operate bar shaped press strip to move to via top, conveniently insert reinforcing bar, after reinforcing bar inserts and has good positioning, unclamp bar shaped press strip, reinforcing bar lived by bar shaped press strip under spring force compression clamping, prevents reinforcing bar from moving, its structure is simple, easy to use, improves the accuracy of test experience.
As optimization, described bar shaped press strip is provided with the arc-shaped surface for clamping reinforcing bar outside surface to be detected towards the side of described through hole inner bottom surface, the surface of arc-shaped surface is bonded with resilient rubbber cushion.Clamping face and reinforcing bar outside surface are fitted more, mutual friction force between simultaneously adding, make reinforcing bar fixing more firm.
In sum, beneficial effect of the present invention is: structure of the present invention is simple, easy to operate, can carry out shearing resistance test, reduce experiment input cost, improve conventional efficient the reinforcing bar of different-diameter specification.
Accompanying drawing explanation
In order to make the object of invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is front view of the present invention;
Fig. 2 is sectional view of the present invention;
Fig. 3 is the sectional view of reinforcing bar fixed block in the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1 to Figure 3, a kind of reinforcing bar shearing resistance test fixture in this embodiment, two the reinforcing bar fixed blocks 2 comprising grip block 1 and be positioned at bottom grip block, the bottom surface of described grip block 1 is provided with a strip-shaped clamp groove 3 along horizontal linear direction, the end face of two described reinforcing bar fixed blocks 2 is provided with the fixture block 4 that is slidably matched with strip-shaped clamp groove 3 separately and makes two described reinforcing bar fixed blocks 2 can along the relative motion of strip-shaped clamp groove 3 length direction, described grip block 1 is provided with the locating device that described reinforcing bar fixed block 2 can be made to locate, two described reinforcing bar fixed blocks 2 are provided with through hole 5 separately along described strip-shaped clamp groove 3 length direction coaxial inner conductor.
In this embodiment, described locating device comprises clamping screw and is positioned at the strip through-hole 6 be communicated with on described grip block 1 side and with described strip-shaped clamp groove 3, strip through-hole 6 to be arranged and the length of strip through-hole 6 is less than the length of described strip-shaped clamp groove 3 along the length direction of described strip-shaped clamp groove 3, described clamping screw comprises bolt head 7 and body of bolt 8, one end of body of bolt 8 extend in described strip-shaped clamp groove 3 through described strip through-hole 6, the other end is fixedly connected with described bolt head 7, the width across corners of described bolt head 7 is greater than the width of described strip through-hole 6, described fixture block 4 is provided with the screw 9 with described body of bolt 8 threaded engagement, the length of described body of bolt 8 is less than the degree of depth of described strip through-hole 6 and the degree of depth sum of described screw 9.
In this embodiment, the top of described grip block 1 is fixedly connected with column type supporting rod 10, and the axial line of column type supporting rod 10 is perpendicular to the axial line of described through hole 5, and the outside surface of described column type supporting rod 10 is provided with annular knurl line.
In this embodiment, the side of described grip block 1 is provided with the rule 11 of the spacing size for measuring two described reinforcing bar fixed blocks 2 along described strip-shaped clamp groove 3 length direction.
In this embodiment, described through hole 5 is column type through hole, and the bottom of column type through hole is provided with V-type groove along described column type through hole length direction, and two sides of V-type groove are tangent with described column type through hole respectively.
In this embodiment, described grip block 1 is provided with the opening that can be inserted into for described fixture block 4 in described strip-shaped clamp groove 3.
In this embodiment, the highest point of described through hole 5 inner top surface is arranged with multiple pilot hole 12 along described through hole 5 radial direction along described through hole 5 length direction interval, bar shaped press strip 13 is provided with along described through hole 5 length direction in described through hole 5, the position that the end face of bar shaped press strip 13 is corresponding with described pilot hole 12 is fixedly connected with guide pole 14, one end of guide pole 14 to extend in described pilot hole 12 and is slidably matched with described pilot hole 12, be provided with as described bar shaped press strip 13 compresses the spring 15 that reinforcing bar to be detected provides spring force in described pilot hole 12, one end of spring 15 is connected with bottom pilot hole 12, the other end is connected with described guide pole 14.
In this embodiment, described bar shaped press strip 13 is provided with the arc-shaped surface for clamping reinforcing bar outside surface to be detected towards the side of described through hole 5 inner bottom surface, the surface of arc-shaped surface is bonded with resilient rubbber cushion.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by referring to the preferred embodiments of the present invention, invention has been described, but those of ordinary skill in the art is to be understood that, various change can be made to it in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (8)
1. a reinforcing bar shearing resistance test fixture, it is characterized in that: comprise grip block and be positioned at two reinforcing bar fixed blocks bottom grip block, the bottom surface of described grip block is provided with strip-shaped clamp groove along horizontal linear direction, the end face of two described reinforcing bar fixed blocks is provided with the fixture block that is slidably matched with strip-shaped clamp groove separately and makes two described reinforcing bar fixed blocks can along the relative motion of strip-shaped clamp groove length direction, described grip block is provided with the locating device that described reinforcing bar fixed block can be made to locate, two described reinforcing bar fixed blocks are provided with through hole separately along described strip-shaped clamp groove length direction coaxial inner conductor.
2. a kind of reinforcing bar shearing resistance test fixture according to claim 1, it is characterized in that: described locating device comprises clamping screw and is positioned at the strip through-hole be communicated with on described grip block side and with described strip-shaped clamp groove, strip through-hole to be arranged and the length of strip through-hole is less than the length of described strip-shaped clamp groove along the length direction of described strip-shaped clamp groove, described clamping screw comprises bolt head and body of bolt, one end of body of bolt extend in described strip-shaped clamp groove through described strip through-hole, the other end is fixedly connected with described bolt head, the width across corners of described bolt head is greater than the width of described strip through-hole, described fixture block is provided with the screw with described body of bolt threaded engagement, the length of described body of bolt is less than the degree of depth of described strip through-hole and the degree of depth sum of described screw.
3. a kind of reinforcing bar shearing resistance test fixture according to claim 1, it is characterized in that: the top of described grip block is fixedly connected with column type supporting rod, the axial line of column type supporting rod is perpendicular to the axial line of described through hole, and the outside surface of described column type supporting rod is provided with annular knurl line.
4. a kind of reinforcing bar shearing resistance test fixture according to claim 1, is characterized in that: the rule side of described grip block being provided with the spacing size for measuring two described reinforcing bar fixed blocks along described strip-shaped clamp groove length direction.
5. a kind of reinforcing bar shearing resistance test fixture according to claim 1, it is characterized in that: described through hole is column type through hole, the bottom of column type through hole is provided with V-type groove along described column type through hole length direction, and two sides of V-type groove are tangent with described column type through hole respectively.
6. a kind of reinforcing bar shearing resistance test fixture according to claim 1, is characterized in that: described grip block is provided with the opening that can be inserted into for described fixture block in described strip-shaped clamp groove.
7. a kind of reinforcing bar shearing resistance test fixture according to claim 1, it is characterized in that: the highest point of described through hole inner top surface is arranged with multiple pilot hole along described through hole radial direction along described through hole length direction interval, bar shaped press strip is provided with along described through hole length direction in described through hole, the position that the end face of bar shaped press strip is corresponding with described pilot hole is fixedly connected with guide pole, one end of guide pole to extend in described pilot hole and is slidably matched with described pilot hole, be provided with as described bar shaped press strip compresses the spring that reinforcing bar to be detected provides spring force in described pilot hole, one end of spring is connected with bottom pilot hole, the other end is connected with described guide pole.
8. a kind of reinforcing bar shearing resistance test fixture according to claim 7, it is characterized in that: described bar shaped press strip is provided with the arc-shaped surface for clamping reinforcing bar outside surface to be detected towards the side of described through hole inner bottom surface, the surface of arc-shaped surface is bonded with resilient rubbber cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376735.9A CN104880365B (en) | 2015-07-01 | 2015-07-01 | A kind of reinforcing bar shearing resistance test fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376735.9A CN104880365B (en) | 2015-07-01 | 2015-07-01 | A kind of reinforcing bar shearing resistance test fixture |
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| Publication Number | Publication Date |
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| CN104880365A true CN104880365A (en) | 2015-09-02 |
| CN104880365B CN104880365B (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510376735.9A Active CN104880365B (en) | 2015-07-01 | 2015-07-01 | A kind of reinforcing bar shearing resistance test fixture |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106153444A (en) * | 2016-08-29 | 2016-11-23 | 北京普莱德新能源电池科技有限公司 | A kind of device for electrokinetic cell module side plate tension test |
| CN107884284A (en) * | 2018-01-18 | 2018-04-06 | 惠州市远大电梯有限公司 | A kind of elevator material shearing resistance detection device |
| CN109079535A (en) * | 2018-09-28 | 2018-12-25 | 河南永益同丰智能科技有限公司 | Clamping device is used in a kind of production of reinforcing bar |
| CN113607572A (en) * | 2020-12-28 | 2021-11-05 | 江苏省建筑工程质量检测中心有限公司 | Channel body shear strength mechanical test tool and application thereof |
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| CN2669173Y (en) * | 2003-12-10 | 2005-01-05 | 同济大学 | Concrete-bar welding-net soldered-dot shearing-test clamp |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106153444A (en) * | 2016-08-29 | 2016-11-23 | 北京普莱德新能源电池科技有限公司 | A kind of device for electrokinetic cell module side plate tension test |
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| CN107884284A (en) * | 2018-01-18 | 2018-04-06 | 惠州市远大电梯有限公司 | A kind of elevator material shearing resistance detection device |
| CN107884284B (en) * | 2018-01-18 | 2021-09-03 | 惠州市远大电梯有限公司 | Elevator material shear resistance detection equipment |
| CN109079535A (en) * | 2018-09-28 | 2018-12-25 | 河南永益同丰智能科技有限公司 | Clamping device is used in a kind of production of reinforcing bar |
| CN113607572A (en) * | 2020-12-28 | 2021-11-05 | 江苏省建筑工程质量检测中心有限公司 | Channel body shear strength mechanical test tool and application thereof |
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| Publication number | Publication date |
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| CN104880365B (en) | 2018-06-19 |
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