CN220854427U - Tensile test device with jaw anti-slip backing plate - Google Patents
Tensile test device with jaw anti-slip backing plate Download PDFInfo
- Publication number
- CN220854427U CN220854427U CN202322174998.4U CN202322174998U CN220854427U CN 220854427 U CN220854427 U CN 220854427U CN 202322174998 U CN202322174998 U CN 202322174998U CN 220854427 U CN220854427 U CN 220854427U
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- Prior art keywords
- clamping
- jaw
- backing plate
- slip
- tensile test
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- 238000009864 tensile test Methods 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims description 18
- 230000000670 limiting effect Effects 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 4
- QWVMUSBBWGTKML-UHFFFAOYSA-N [Li].[Mo](=S)=S Chemical compound [Li].[Mo](=S)=S QWVMUSBBWGTKML-UHFFFAOYSA-N 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 238000005299 abrasion Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses a tensile test device with a jaw anti-slip backing plate, which relates to the technical field of tensile test machines and comprises a driving device and a pair of clamping pieces which are distributed up and down, wherein the driving device drives one clamping piece along the vertical direction; the clamping piece comprises a driving piece and clamping blocks, wherein a clamping opening is formed in one side of each clamping block, which is close to each other, two opposite side surfaces of the clamping opening are inclined surfaces, and the inclined direction enables the distance between the two opposite inclined surfaces to gradually increase towards the inner end direction of the clamping opening; a pair of anti-slip base plates and a pair of jaw pressing plates are arranged in the clamping opening, the jaw pressing plates are parallel to the corresponding inclined planes and slide along the directions of the corresponding inclined planes under the driving of the driving piece, the end parts of the testing piece are clamped or released, and the anti-slip base plates are located between the corresponding inclined planes of the clamping opening and the corresponding jaw pressing plates. The anti-skid pad can effectively reduce the skid condition, and the anti-skid pad can be replaced after the wear is overlarge, so that the effects of reducing the maintenance cost and the time are achieved.
Description
Technical Field
The utility model relates to the technical field of tensile testing machines, in particular to a tensile testing device with a jaw anti-slip backing plate.
Background
In the production line production process of a steel mill, the tensile testing, bending resistance testing and compression resistance testing tasks are carried out on the stretcher every day, as shown in fig. 1, as the jaw pressing plate part needs to be disassembled and assembled to replace different specifications and abrasion and other reasons exist, gaps exist between the jaw pressing plate and the clamping block, so that in the working process of the testing machine, iron scales on the surface of the steel bar can be peeled off and fall into the gaps between the jaw pressing plate and the clamping block, and finally on-site operators are required to clean the iron scales in the gaps between the jaw clamping block by hand;
The iron oxide sheet falls into the gap of the jaw clamping block, so that the jaw and the clamping block can be shifted in the test process, the surface abrasion degree is increased, test data wiring is caused to skid, the accuracy of the data is influenced, and the service life of the jaw clamping block is shortened; each sample is prepared, the iron oxide scale in the jaw clamping block needs to be cleaned, so that the workload is increased, and the working efficiency is reduced;
the heald upper jaw clamping block has the following problems in the test application process:
(1) The abrasion degree of the gap of the jaw clamping block in the test process is larger;
(2) After the gap of the jaw clamping block falls into the oxide scale, test data is slipped along the line, and the accuracy of the data is affected;
(3) Each test is performed, the iron scale in the gap of the jaw clamping block must be cleaned.
Disclosure of utility model
The utility model aims to provide a tensile test device with a jaw anti-skid backing plate, which can effectively reduce the slip condition through the anti-skid backing plate, and can replace the anti-skid backing plate after excessive abrasion, so that the rejection of the whole base caused by excessive abrasion of a clamp block base is avoided, and the maintenance cost and time are reduced.
The technical aim of the utility model is realized by the following technical scheme:
The tensile test device with the jaw anti-skid backing plate comprises a driving device and a pair of clamping pieces which are distributed up and down, wherein the driving device drives one clamping piece in the vertical direction, and the two clamping pieces are used for clamping two ends of a test piece and carrying out tensile test;
The clamping piece comprises a driving piece and clamping blocks, wherein a clamping opening is formed in one side of each clamping block, which is close to each other, two opposite side surfaces of the clamping opening are inclined surfaces, and the inclined direction enables the distance between the two opposite inclined surfaces to gradually increase towards the inner end direction of the clamping opening; a pair of anti-slip base plates and a pair of jaw pressing plates are arranged in the clamping opening, the jaw pressing plates are parallel to the corresponding inclined planes and slide along the directions of the corresponding inclined planes under the driving of the driving piece, the end parts of the testing piece are clamped or released, and the anti-slip base plates are located between the corresponding inclined planes of the clamping opening and the corresponding jaw pressing plates.
By adopting the technical scheme, the slipping condition can be effectively reduced, the anti-slip base plate can be replaced after the abrasion is excessive, the problem that the whole base is scrapped due to excessive abrasion of the clamping block base is avoided, and the maintenance cost and time are reduced; and the anti-slip backing plate is added into the gap to reduce the falling amount of the iron oxide scale, so that the data wiring is not easy to slip, and the data accuracy is improved.
Furthermore, at least one side of the anti-slip backing plate is provided with a limiting block, and the clamping block is provided with a limiting device which is abutted against the upper side of the limiting block.
By adopting the technical scheme, the anti-slip base plate is limited to move up and down, so that the anti-slip base plate cannot be driven to move up and down when the jaw pressing plate moves.
Further, the limiting block is a bump integrally connected to the side edge of the anti-slip base plate.
By adopting the technical scheme, the anti-skid backing plate is convenient to process.
Still further, stop device includes that clamp splice one side can dismantle the curb plate of connection, curb plate lower extreme butt in the stopper upside.
Through adopting above-mentioned technical scheme, it is spacing to conveniently pass through the stopper to be convenient for process.
Furthermore, the side plates are arranged on two sides of the corresponding clamping blocks in pairs and respectively abutted against two sides of the anti-slip backing plate.
By adopting the technical scheme, the horizontal movement of the anti-skid base plate is limited, and the stability of the anti-skid base plate is improved.
Furthermore, a blocking cloth is arranged in the clamping block below and is blocked above the contact surface top of the anti-slip backing plate and the jaw pressing plate.
Through adopting above-mentioned technical scheme, further avoid iron fillings to get into between anti-skidding backing plate and the clamp jaw clamp plate, reduce the clearance frequency.
Furthermore, the top of the jaw pressing plate is detachably connected with the fixing strip, one end of the retaining cloth is connected with the fixing strip, and the other end of the retaining cloth is connected with the anti-slip backing plate.
Through adopting above-mentioned technical scheme, make things convenient for the connection of fender cloth and processing work.
Further, the baffle cloth is an elastic plastic plate which is arranged in an inverted U shape.
By adopting the technical scheme, the influence of the cloth on normal work is reduced.
Furthermore, a molybdenum disulfide lithium-based grease layer is arranged between the anti-slip backing plate and the clamping block.
By adopting the technical scheme, the anti-skid performance between the anti-skid backing plate and the clamping block is improved.
In summary, the utility model has the following beneficial effects:
Through the anti-skid backing plate, the gap between the jaw pressing plate and the clamping block is reduced in the test process, the abrasion degree is reduced, and the service life is prolonged; the anti-skid backing plate is matched with the cloth, so that the falling-in amount of oxide scales can be reduced, the data wiring is not easy to skid, and the data accuracy is improved; the iron scale is not required to be cleaned every time a test is performed, the workload is reduced, and the working efficiency is increased.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the prior art;
FIG. 2 is a schematic structural view of the first embodiment;
FIG. 3 is a schematic view of the structure of the cleat portion in the first embodiment;
Fig. 4 is a schematic structural diagram of the second embodiment.
In the figure, 1, a clamping piece; 2. clamping blocks; 21. a clamping opening; 3. an anti-slip backing plate; 31. a limiting block; 4. a jaw pressing plate; 5. a side plate; 6. a cloth blocking; 61. and fixing strips.
Description of the embodiments
The following description of the embodiments of the utility model is further illustrated in the accompanying drawings, and the examples are not meant to limit the utility model. Based on the embodiments of the present utility model, all other embodiments obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Examples
The tensile test device with the jaw anti-slip backing plate comprises a driving device and a pair of clamping pieces 1 which are distributed up and down, wherein the driving device can be a hydraulic cylinder with a fixed top to drive the clamping pieces 1 above to move up and down along the vertical direction, and the two clamping pieces 1 are used for clamping two ends of a test piece and carrying out tensile test under the action of the driving device.
As shown in fig. 2, the clamping piece 1 comprises a driving piece and clamping blocks 2, wherein a clamping opening 21 is formed in one side, close to each other, of each clamping block 2, two opposite side surfaces of the clamping opening 21 are inclined surfaces, and the inclined direction increases the distance between the two opposite inclined surfaces towards the inner end direction of the clamping opening 21, so that the whole clamping opening is in a dovetail shape;
A pair of anti-slip base plates 3 and a pair of jaw pressing plates 4 are arranged in the clamping opening 21, the jaw pressing plates 4 are parallel to the corresponding inclined planes and slide along the corresponding inclined planes under the drive of a driving piece, the end part of a test piece is clamped or released, the driving piece can be an existing device such as an air cylinder, the jaw pressing plates 4 are pushed upwards by a transverse push rod at the top, the inner side of the jaw pressing plates 4 is integrally connected with a guide plate, the transverse push rod is inserted into the guide plate, the jaw pressing plates 4 are pushed to move up and down integrally and are horizontally relative to the transverse push rod, the jaw pressing plates 4 are mutually close to each other under the action of a guide rail or the inclined planes of the clamping opening 21, the specific structure of the device can be other existing tensile testing machine structures, and redundant description is omitted;
The anti-skid backing plate 3 is positioned between the corresponding inclined plane of the clamping opening 21 and the corresponding jaw pressing plate 4, so that the gap between the jaw pressing plate 4 and the clamping block 2 is reduced, and the abrasion degree of the clamping block 2 is reduced.
As shown in fig. 2 and 3, in order to facilitate installation and limit the anti-slip pad 3, at least one side of the anti-slip pad 3 is provided with a limit block 31, the limit block 31 is integrally connected with a bump on the side of the anti-slip pad 3, two sides of the anti-slip pad can also be symmetrically provided with bumps, and the clamping block 2 is provided with a limit device which is abutted against the upper side of the limit block 31;
In the embodiment, the lower end of the anti-slip base plate 3 is abutted on the bottom plate of the clamping opening 21, the limiting device comprises a side plate 5, at least one side of the clamping block 2 is detachably connected through a screw, and the lower end of the side plate 5 is abutted on the upper side of the limiting block 31; in order to improve the limiting effect, the side plates 5 are arranged on two sides of the corresponding clamping blocks 2 in pairs and respectively abut against two sides of the anti-slip base plate 3, the other two side surfaces of the anti-slip base plate 3 abut against between the corresponding inclined surfaces of the clamping openings 21 and the corresponding jaw pressing plates 4, the horizontal movement of the anti-slip base plate 3 is limited through the two side plates 5, the side plates 5 and the limiting blocks 31 are matched to limit the up-and-down movement of the anti-slip base plate 3, and the stability of the device is improved.
As shown in fig. 2, the molybdenum disulfide lithium-based grease layer is smeared and added between the anti-slip backing plate 3 and the clamping block 2, so that the slipping condition can be effectively reduced, the anti-slip backing plate 3 can be replaced after the anti-slip backing plate is excessively worn, the phenomenon that the whole base is scrapped due to excessive base abrasion is avoided, and the maintenance cost and time can be reduced.
Examples
The embodiment is similar to the first embodiment in structure, except that, as shown in fig. 4, a cloth blocking 6 is further arranged in the lower clamping block 2 and is blocked above the top of the contact surface of the anti-slip backing plate 3 and the jaw pressing plate 4; the top of the jaw pressing plate 4 is detachably connected with the fixing strip 61 in a screw or inserting mode, one end of the retaining cloth 6 is connected with the fixing strip 61 in a screw or hot pressing mode, the other end of the retaining cloth is fixedly connected with the anti-slip backing plate 3 in a screw or bonding mode, so that scrap iron is further prevented from falling between the anti-slip backing plate 3 and the jaw pressing plate 4, and the frequency of cleaning work is reduced;
In order to avoid influencing normal work, the retaining cloth 6 is a corrugated elastic plastic plate which is arranged in an inverted U shape, and adopts a structure similar to a corrugated pipe, so that the retaining cloth 6 can be any elastic plastic plate and the like when the jaw pressing plate 4 is loosened downwards and is naturally in an inverted U shape, and when the jaw pressing plate 4 is clamped upwards, the retaining cloth points to the jaw pressing plate 4 along the anti-slip base plate 3.
The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model, and those skilled in the art may make various modifications and equivalents within the spirit and scope of the utility model, and such modifications and equivalents should also be considered as falling within the scope of the technical solution of the present utility model.
Claims (8)
1. The utility model provides a take tensile test device of anti-skidding backing plate of keeping silent which characterized in that: the device comprises a driving device and a pair of clamping pieces (1) which are distributed up and down, wherein the driving device drives one clamping piece (1) along the vertical direction, and the two clamping pieces (1) are used for clamping two ends of a test piece and carrying out tensile test;
The clamping piece (1) comprises a driving piece and clamping blocks (2), a clamping opening (21) is formed in one side, close to each other, of each clamping block (2), two opposite side surfaces of the clamping opening (21) are inclined surfaces, and the inclined direction enables the distance between the two opposite inclined surfaces to gradually increase towards the inner end direction of the clamping opening (21); a pair of anti-slip base plates (3) and a pair of jaw pressing plates (4) are arranged in the clamping opening (21), the jaw pressing plates (4) are parallel to the corresponding inclined planes and slide along the directions of the corresponding inclined planes under the drive of the driving piece, the end parts of the test piece are clamped or released, and the anti-slip base plates (3) are positioned between the corresponding inclined planes of the clamping opening (21) and the corresponding jaw pressing plates (4);
A blocking cloth (6) is also arranged in the clamping block (2) below and is blocked above the contact surface top of the anti-slip backing plate (3) and the jaw pressing plate (4).
2. The tensile test device with jaw anti-slip backing plate according to claim 1, wherein: at least one side of the anti-skid backing plate (3) is provided with a limiting block (31), and the clamping block (2) is provided with a limiting device which is abutted to the upper side of the limiting block (31).
3. The tensile test device with jaw anti-slip backing plate according to claim 2, wherein: the limiting block (31) is a bump integrally connected to the side edge of the anti-slip base plate (3).
4. The tensile test device with jaw anti-slip backing plate according to claim 2, wherein: the limiting device comprises a side plate (5) detachably connected with one side of the clamping block (2), and the lower end of the side plate (5) is abutted to the upper side of the limiting block (31).
5. The tensile testing device with jaw anti-slip backing plate according to claim 4, wherein: the side plates (5) are arranged on two sides of the corresponding clamping blocks (2) in pairs and respectively abut against two sides of the anti-slip base plate (3).
6. The tensile test device with jaw anti-slip backing plate according to claim 1, wherein: the top of the jaw pressing plate (4) is detachably connected with a fixing strip (61), one end of the retaining cloth (6) is connected with the fixing strip (61), and the other end of the retaining cloth is connected with the anti-slip base plate (3).
7. The tensile test device with jaw anti-slip backing plate according to claim 1, wherein: the shielding cloth (6) is an elastic plastic plate which is arranged in an inverted U shape.
8. The tensile test device with jaw anti-slip backing plate according to claim 1, wherein: and a molybdenum disulfide lithium-based grease layer is arranged between the anti-slip backing plate (3) and the clamping block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322174998.4U CN220854427U (en) | 2023-08-14 | 2023-08-14 | Tensile test device with jaw anti-slip backing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322174998.4U CN220854427U (en) | 2023-08-14 | 2023-08-14 | Tensile test device with jaw anti-slip backing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220854427U true CN220854427U (en) | 2024-04-26 |
Family
ID=90747699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322174998.4U Active CN220854427U (en) | 2023-08-14 | 2023-08-14 | Tensile test device with jaw anti-slip backing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220854427U (en) |
-
2023
- 2023-08-14 CN CN202322174998.4U patent/CN220854427U/en active Active
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| GR01 | Patent grant | ||
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