CN209841351U - Multifunctional self-tapping screw drawing test fixture - Google Patents
Multifunctional self-tapping screw drawing test fixture Download PDFInfo
- Publication number
- CN209841351U CN209841351U CN201920122342.9U CN201920122342U CN209841351U CN 209841351 U CN209841351 U CN 209841351U CN 201920122342 U CN201920122342 U CN 201920122342U CN 209841351 U CN209841351 U CN 209841351U
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- China
- Prior art keywords
- anchor clamps
- screw
- clamp
- steel backing
- testing machine
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- Expired - Fee Related
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Abstract
The utility model relates to a multi-functional self tapping screw draws test fixture, the utility model discloses it mainly includes testing machine upper portion connecting sleeve, pressure sensor, upper portion anchor clamps connecting sleeve, go up the steel backing plate, well steel backing plate, the lead screw is connected on upper portion, diameter adjusting screw, go up anchor clamps, the displacement meter roof piece, the amesdial, lower anchor clamps, the sub-unit connection lead screw, lower steel backing plate and testing machine sub-unit connection sleeve, fix anchor clamps and lower anchor clamps respectively on universal testing machine through connecting part, come manual according to self tapping screw nail pole diameter through diameter adjusting screw and adjust anchor clamps, it uses the amesdial to measure self tapping screw's the displacement of drawing to arrange the displacement meter roof, measure the drawing force through pressure sensor, amesdial and pressure sensor all connect on meeting an emergency the collection appearance. The utility model discloses simple material, convenient operation, precision are high, and its purpose is drawn the bearing capacity and is drawn mechanical parameters such as deformation in order to obtain novel building material for the self-tapping screw of substrate.
Description
Technical Field
The utility model belongs to the technical field of building structure foundation test equipment, concretely relates to multi-functional self-tapping screw draws test fixture.
Background
The clamp is an important part of a universal testing machine and is related to whether the test purpose can be realized or not, when the universal testing machine is used for testing, a proper clamp is selected according to the shape and the thickness of a test piece, the mechanical characteristics of the test piece are obtained through a force application device, a sensor device and an output device, and if no clamp which is suitable for the test purpose is available, the test purpose cannot be obtained.
At present, the design specifications related to the connection of the tapping screw are limited to the connection of the tapping screw and steel or wood; however, with the advent of new building materials, the mechanical properties of the connection of self-tapping screws with new building materials have yet to be tested. Aiming at the drawing performance of the self-tapping screw in the base material, the self-provided clamp on a general universal testing machine can not clamp the self-tapping screw, so that a simple and high-applicability test matched clamp is needed.
SUMMERY OF THE UTILITY MODEL
For solving the not enough among the above-mentioned prior art, the utility model aims at providing a multi-functional self-tapping screw draws test fixture, this structure can adapt to different substrates, different self-tapping screw diameters and different self-tapping screw numbers and can compensate because the test error that anchor clamps warp and arouse when experimental data processing.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a multi-functional self tapping screw draws test fixture, it includes testing machine upper portion connecting sleeve, pressure sensor, upper portion anchor clamps connecting sleeve, goes up the steel backing plate, well steel backing plate, upper portion connecting lead screw, diameter adjusting screw, upper fixture, displacement meter roof sheet, amesdial, lower anchor clamps, sub-unit connection lead screw, lower steel backing plate and testing machine lower part connecting sleeve, the upper fixture corresponds the setting from top to bottom with lower anchor clamps, is equipped with the round hole that can pass upper portion connecting lead screw on the upper side board of upper fixture, and the one end of upper portion connecting lead screw passes well steel backing plate, the round hole on the upper side board of upper fixture, upper steel backing plate and this end and upper fixture connecting sleeve in proper order from the inside of upper fixture, and the other end of upper portion connecting lead screw passes through the nut locking on the well steel backing plate lower terminal surface; the upper clamp connecting sleeve is fixed on the upper connecting sleeve of the testing machine through a pressure sensor, and the upper connecting sleeve of the testing machine is connected with the testing machine; the centers of the left side plate and the right side plate of the upper clamp are correspondingly provided with through holes, diameter adjusting screw rods penetrate through the through holes, and the diameter adjusting screw rods are respectively and fixedly connected with the left side plate and the right side plate of the upper clamp; the upper end face of the lower clamp is provided with a reserved groove for clamping a test piece substrate plate, the lower side plate of the upper clamp is provided with a reserved through groove, the reserved through groove can clamp a self-tapping screw head and can clamp a screw rod, the inner side wall of the lower side plate of the upper clamp is provided with a displacement meter top plate sheet, and the displacement meter top plate sheet is connected with the upper clamp through an adhesive; the inboard of anchor clamps down is equipped with the amesdial, and the amesdial can be dismantled with the right side board of anchor clamps down and be connected, is equipped with the through-hole that can pass the sub-unit connection lead screw on the lower terminal plate of anchor clamps down, wears to be equipped with the sub-unit connection lead screw in the through-hole, and the upper end of sub-unit connection lead screw passes through on the lower steel backing plate of nut locking on the inboard terminal surface of anchor clamps down, and the lower extreme and the testing machine sub-unit connection sleeve of sub.
According to the multifunctional tapping screw drawing test fixture, the diameter adjusting screw is connected with the left side plate and the right side plate of the upper fixture through nuts respectively.
According to the multifunctional self-tapping screw drawing test fixture, the displacement meter top plate is connected with the upper fixture through the adhesive, and the lower surface of the displacement meter top plate is polished into a rough surface.
According to the multifunctional tapping screw drawing test fixture, the dial indicator is fixed on the lower fixture through the temporary fixing support, and the measuring head of the dial indicator abuts against the top plate of the displacement meter.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses simple manufacture, material are simple and easy, easy operation, energy-concerving and environment-protective. The adjustable screw rod can adjust self-tapping screws with different diameters to perform drawing tests, the displacement meter top plate pushes against a dial indicator measuring head to measure the deformation of the upper fixture, and the fixture deformation compensation coefficient is introduced to improve the measurement precision to a great extent when results are processed.
Drawings
FIG. 1 is an overall elevational view of a multifunctional tapping screw pull-out test fixture;
FIG. 2 is an overall side elevational view of a multifunctional tapping screw pull-out test fixture;
FIG. 3 is a sectional view of the upper clamp of the multifunctional tapping screw pull-out test fixture;
FIG. 4 is a top view of an upper fixture of the multifunctional tapping screw pull-out test fixture;
FIG. 5 is a vertical cross-sectional view of a lower fixture of the multifunctional tapping screw pull-out test fixture;
fig. 6 is a top view of a lower fixture of the multifunctional tapping screw pull-out test fixture.
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 all belong to the protection scope of the present invention.
1. As shown in FIGS. 1-6, the utility model provides a multi-functional self-tapping screw draws test fixture, it includes testing machine upper portion connecting sleeve 1, pressure sensor (2, upper portion anchor clamps connecting sleeve 3, go up steel backing plate 4, well steel backing plate 5, upper portion connecting screw 6, diameter adjusting screw 7, go up anchor clamps 8, displacement meter roof sheet 9, amesdial 10, lower anchor clamps 11, lower part connecting screw 12, lower steel backing plate 13 and testing machine lower part connecting sleeve 14, go up anchor clamps 8 and lower anchor clamps 11 corresponding setting from top to bottom, be equipped with the round hole that can pass upper portion connecting screw 6 on the last curb plate of last anchor clamps 8, the one end of upper portion connecting screw 6 passes round hole on well steel backing plate 5, the last steel backing plate 4 on the last curb plate of last anchor clamps 8 in proper order from the inside of last anchor clamps 8, and this end links to upper portion anchor clamps connecting sleeve 3, the other end of upper portion connecting screw 6 locks on the interior well steel backing plate 5 lower terminal surface of last anchor The part clamp connecting sleeve 3 is fixed on the testing machine upper part connecting sleeve 1 through the pressure sensor 2, and the testing machine upper part connecting sleeve 1 is connected with the testing machine; a through hole is correspondingly formed in the centers of the left side plate and the right side plate of the upper clamp 8, a diameter adjusting screw 7 penetrates through the through hole, and the diameter adjusting screw 7 is fixedly connected with the left side plate and the right side plate of the upper clamp 8 through nuts respectively; a preformed groove is formed in the upper end face of the lower clamp 11 and used for clamping a test piece substrate plate, a preformed through groove is formed in the lower side plate of the upper clamp 8 and can clamp a self-tapping screw head and a screw rod, a displacement meter top plate piece 9 is arranged on the inner side wall of the lower side plate of the upper clamp 8, and the displacement meter top plate piece 9 is connected with the upper clamp 8 through an adhesive; the inside of lower anchor clamps 11 is equipped with amesdial 10, and amesdial 10 can dismantle with the right side board of lower anchor clamps 11 and be connected, is equipped with the through-hole that can pass sub-unit connection lead screw 12 on the lower end board of lower anchor clamps 11, wears to be equipped with sub-unit connection lead screw 12 in the through-hole, and the upper end of sub-unit connection lead screw 12 is passed through the nut and is locked on the lower steel backing plate 13 on the inboard lower terminal surface of lower anchor clamps 11, and the lower extreme of sub-unit connection lead screw 12 links to each other with testing.
In order to increase the friction force between the displacement meter top plate and the micrometer ejector rod due to the fact that the lower surface of the displacement meter top plate is polished into a rough surface, the micrometer ejector rod cannot slide on the top plate, the displacement meter top plate 9 is connected with the upper clamp 8 through an adhesive, and the lower surface of the displacement meter top plate 9 is polished into a rough surface.
In order to conveniently detach the dial indicator 10, the dial indicator 10 is fixed on the lower clamp 11 through a temporary fixing support, and a measuring head of the dial indicator 10 abuts against the displacement meter top plate 9.
The utility model discloses a theory of operation:
the displacement meter top plate piece 9 is fixed on the position 10mm away from the cutting edge on the inner side below the upper clamp by using an adhesive, the bracket of the dial indicator 10 is fixed on the side wall of the lower clamp, and a measuring head of the dial indicator is abutted against the displacement meter top plate piece 9 in use, so that the measuring head is ensured to be in the middle of the upper clamp and at the same horizontal line position with a pin head used for testing.
During the use, the base material plate is clamped in the upper surface of the lower clamp, the self-tapping screw extends out of the clamping groove, the nail head is hung on the surface of the lower part of the upper clamp, then the diameter adjusting screw is adjusted to clamp the upper clamp and the nail rod, and the sufficient contact between the nail head and the surface of the upper clamp is ensured. The dial indicator measuring head is propped against the designated position of the displacement meter top plate, the test can be started, and the fixture deformation compensation coefficient is introduced to reduce the test error when the test result is processed.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.
Claims (4)
1. The utility model provides a multi-functional self-tapping screw draws test fixture, its characterized in that it includes testing machine upper portion connecting sleeve (1), pressure sensor (2), upper portion anchor clamps connecting sleeve (3), goes up steel backing plate (4), well steel backing plate (5), upper portion connecting screw (6), diameter adjusting screw (7), goes up anchor clamps (8), displacement meter roof piece (9), amesdial (10), lower anchor clamps (11), sub-unit connection lead screw (12), lower steel backing plate (13) and testing machine lower part connecting sleeve (14), go up anchor clamps (8) and lower anchor clamps (11) corresponding setting from top to bottom, be equipped with the round hole that can pass upper portion connecting screw (6) on the last side of anchor clamps (8), the one end of upper portion connecting screw (6) is from the inside of last anchor clamps (8) and is passed well steel backing plate (5), round hole on the last side board of last anchor clamps (8) in proper order, The upper steel backing plate (4) is connected with the upper clamp connecting sleeve (3), and the other end of the upper connecting screw rod (6) is locked on the lower end face of the middle steel backing plate (5) in the upper clamp (8) through a nut; the upper clamp connecting sleeve (3) is fixed on the upper connecting sleeve (1) of the testing machine through the pressure sensor (2), and the upper connecting sleeve (1) of the testing machine is connected with the testing machine; a through hole is correspondingly formed in the centers of the left side plate and the right side plate of the upper clamp (8), a diameter adjusting screw rod (7) penetrates through the through hole, and the diameter adjusting screw rod (7) is fixedly connected with the left side plate and the right side plate of the upper clamp (8) respectively; the upper end face of the lower clamp (11) is provided with a reserved groove for clamping a test piece substrate plate, the lower side plate of the upper clamp (8) is provided with a reserved through groove, the reserved through groove can clamp a self-tapping screw head and can clamp a screw rod, the inner side wall of the lower side plate of the upper clamp (8) is provided with a displacement meter top plate sheet (9), and the displacement meter top plate sheet (9) is connected with the upper clamp (8) through an adhesive; the inboard of anchor clamps (11) down is equipped with amesdial (10), amesdial (10) can be dismantled with the right side board of anchor clamps (11) down and be connected, be equipped with the through-hole that can pass sub-unit connection lead screw (12) on the lower terminal plate of anchor clamps (11) down, wear to be equipped with sub-unit connection lead screw (12) in the through-hole, on lower steel backing plate (13) on the terminal surface under the inboard of anchor clamps (11) was locked through the nut in the upper end of sub-unit connection lead screw (12), the lower extreme and the testing machine sub-unit connection sleeve (14) of sub-unit connection lead screw (12).
2. The multifunctional tapping screw drawing test fixture of claim 1, characterized in that: the diameter adjusting screw rod (7) is connected with the left side plate and the right side plate of the upper clamp (8) through nuts.
3. The multifunctional tapping screw drawing test fixture of claim 1, characterized in that: the displacement meter top plate sheet (9) is connected with the upper clamp (8) through an adhesive, and the lower surface of the displacement meter top plate sheet (9) is polished into a rough surface.
4. The multifunctional tapping screw drawing test fixture of claim 1, characterized in that: the dial indicator (10) is fixed on the lower clamp (11) through a temporary fixing support, and a measuring head of the dial indicator (10) abuts against the displacement meter top plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122342.9U CN209841351U (en) | 2019-01-24 | 2019-01-24 | Multifunctional self-tapping screw drawing test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122342.9U CN209841351U (en) | 2019-01-24 | 2019-01-24 | Multifunctional self-tapping screw drawing test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209841351U true CN209841351U (en) | 2019-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122342.9U Expired - Fee Related CN209841351U (en) | 2019-01-24 | 2019-01-24 | Multifunctional self-tapping screw drawing test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209841351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765042A (en) * | 2019-01-24 | 2019-05-17 | 郑州大学 | A kind of multi-functional tapping screw drawing test clamp |
-
2019
- 2019-01-24 CN CN201920122342.9U patent/CN209841351U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765042A (en) * | 2019-01-24 | 2019-05-17 | 郑州大学 | A kind of multi-functional tapping screw drawing test clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210124 |