CN215148382U - Special fixture for detecting flexibility of anti-crack mortar - Google Patents
Special fixture for detecting flexibility of anti-crack mortar Download PDFInfo
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- CN215148382U CN215148382U CN202120906029.1U CN202120906029U CN215148382U CN 215148382 U CN215148382 U CN 215148382U CN 202120906029 U CN202120906029 U CN 202120906029U CN 215148382 U CN215148382 U CN 215148382U
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- support frame
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- inner lining
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Abstract
The utility model relates to a crack resistance mortar pliability detects special fixture, relate to the field of anchor clamps, it includes support frame and splint, splint set up to two, two splint are vertical setting, two splint parallel arrangement, splint and support frame sliding connection, be provided with the driving piece that two splint of drive are close to each other on the support frame, splint include planking and interior welt, interior welt is located the one side that two splint are close to each other, be connected for dismantling between interior welt and the planking, the sliding tray has been seted up on the planking, the sliding tray is the dovetail type, the last fixed sliding strip that is provided with of interior welt, the sliding strip slides in the sliding tray and is provided with the mounting that is used for fixed interior welt on the planking. This application has the more convenient effect of change process that makes to damage splint.
Description
Technical Field
The application relates to the field of clamps, especially, relate to a special fixture is detected to anti-crack mortar pliability.
Background
The anti-cracking mortar is a mortar which is prepared by mixing an anti-cracking agent prepared from a polymer emulsion and an additive, cement and sand according to a certain proportion and water and can meet a certain deformation requirement without cracking.
The flexibility is an important performance requirement for testing the quality of the anti-crack mortar, and the flexibility of the anti-crack mortar is tested by a commonly-used universal testing machine at present. Referring to fig. 1, the current common clamp for clamping a sample includes two clamp plates 2 and a support frame 1, the two clamp plates 2 are both vertical and parallel, one of the clamp plates 2 is fixedly connected with the support frame 1, the other clamp plate 2 is connected with the support frame 1 in a sliding manner, the sliding direction of the clamp plate 2 is the direction close to or away from the other clamp plate 2, the support frame 1 is connected with an adjusting bolt 5 in a threaded manner, and one end of the adjusting bolt 5 is connected with the surface of the clamp plate 2, which is far away from each other, in a rotating manner. When the sample clamping device is used, a sample is placed between the two clamping plates 2, then the adjusting bolt 5 is rotated, so that the adjusting bolt 5 is in threaded connection with the supporting frame 1, and meanwhile, the clamping plates 2 are pushed to move towards the direction close to the other clamping plate 2, and therefore the sample is clamped.
For the above-mentioned related art, the inventor thinks that because the splint need press from both sides tightly with the sample, the splint can appear damaging the circumstances such as after using for a period of time, and when changing the splint, because be sliding connection and fixed connection between two splint and the support frame respectively for the splint damage back, the change process to the splint is comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
In order to make the change process of damaging the splint more convenient, the application provides a special fixture is detected to anti-crack mortar pliability.
The application provides a pair of special fixture for detecting flexibility of anti-crack mortar, which adopts the following technical scheme:
the utility model provides a crack resistance mortar pliability detects special fixture, includes support frame and splint, and splint set up to two, and two splint are vertical setting, two splint parallel arrangement, splint and support frame sliding connection are provided with the driving piece that two splint of drive are close to each other on the support frame, and splint include planking and interior welt, and the interior welt is located the one side that two splint are close to each other, is connected for dismantling between interior welt and the planking.
By adopting the technical scheme, the sample is placed between the two inner lining plates, then the two inner lining plates are pushed to move towards the mutually approaching direction by the driving part, and the sample is clamped, so that the effect of fixing the sample is achieved; when the inner lining plate is damaged, the inner lining plate is detached from the outer plate, so that the replacement process of the damaged inner lining plate is more convenient.
Optionally, a sliding groove is formed in the outer plate, the sliding groove is dovetail-shaped, a sliding strip is fixedly arranged on the inner lining plate, the sliding strip slides in the sliding groove, and a fixing piece for fixing the inner lining plate is arranged on the outer plate.
Through adopting above-mentioned technical scheme, when fixing interior bushing plate and planking, follow vertical direction pulling interior bushing plate for the slide bar slides in the sliding tray, then utilizes the mounting to fix interior bushing plate and planking, thereby makes the slide bar can't slide in the sliding tray, makes interior bushing plate install on the planking.
Optionally, the sliding grooves are vertically arranged, and two sliding grooves are formed in each outer plate.
By adopting the technical scheme, the sliding groove is vertically arranged, and the operation space of the universal testing machine in the horizontal direction is smaller, so that the installation process of the inner lining plate and the outer plate is simpler, the interference of the universal testing machine on the fixing process of the inner lining plate and the outer plate is reduced, and the installation process of the inner lining plate is influenced. The sliding grooves are arranged in two, so that the connection between the inner lining plate and the outer plate is more stable.
Optionally, the fixing piece is a fixing bolt, the fixing bolt is in threaded connection with the outer plate, and the end of the fixing bolt penetrates out of the bottom of the sliding groove and is inserted into the sliding strip.
Through adopting above-mentioned technical scheme, when utilizing fixing bolt to fix interior welt and planking, the fixing bolt of screwing for fixing bolt's tip is inserted and is established in the sliding strip, thereby plays spacing effect to the sliding strip, makes the sliding strip can't slide along the length direction of sliding tray in the sliding tray, realizes fixing sliding strip and sliding tray, thereby fixes interior welt and planking.
Optionally, the inner liner has a size larger than the outer plate.
Through adopting above-mentioned technical scheme, move towards the direction that is close to each other in utilizing the drive interior bushing plate of driving piece drive to when with the sample butt, set up the size of interior bushing plate into being greater than the outside plate size, thereby area of contact between interior bushing plate of increase and the sample has played the effect of reducing the pressure between interior bushing plate and the sample, thereby has reduced the possibility that the damage appears in interior bushing plate.
Optionally, a shock pad for reducing the extrusion force of the inner lining plate on the sample is arranged on one side, close to each other, of the inner lining plate, and the shock pad is fixedly connected with the inner lining plate.
Through adopting above-mentioned technical scheme, set up the shock pad in the one side that interior welt is close to each other to make the shock pad be located between interior welt and the sample, when the driving piece promoted interior welt and removed towards the sample, the shock pad can play the effect of buffering to the sample, reduced interior welt to the pressure of sample, thereby reduced the sample because the extrusion of interior welt and the possibility that the damage appears, make the flexible experimental result of sample more accurate.
Optionally, a fixing assembly used for fixing with the universal testing machine is arranged on one side, away from the outer plate, of the support frame.
By adopting the technical scheme, when the support frame and the universal testing machine are fixed, the two clamps are respectively placed on the universal testing machine, so that the two support frames are respectively arranged in the directions away from each other and are arranged along the vertical direction; and then the support frame and the universal testing machine are fixed by utilizing the fixing component, so that the fixture is installed.
Optionally, the fixing assembly comprises a fixing head and a plug-in connector, the fixing head is fixed to the universal testing machine, the plug-in connector is fixed to one side, away from the outer plate, of the support frame, the plug-in connector is inserted into the fixing head, a connecting bolt penetrates through the fixing head, and the connecting bolt is in threaded connection with the plug-in connector.
Through adopting above-mentioned technical scheme, when fixing support frame and universal tester, fix fixed head and universal tester, then insert the bayonet joint and establish in the fixed strip, screw connecting bolt for connecting bolt passes the fixed head, and with bayonet joint threaded connection, thereby fix support frame and universal tester, make two splint that are located two support frames be located one side that the support frame is close to each other.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the outer plate and the inner lining plate are detachably connected, so that when the inner lining plate is damaged, the inner lining plate is detached from the outer plate, and the replacement process of the damaged inner lining plate is more convenient;
2. the size of the inner lining plate is set to be larger than that of the outer plate, so that the contact area between the inner lining plate and the sample is increased, the effect of reducing the pressure between the inner lining plate and the sample is achieved, and the possibility of damage to the inner lining plate is reduced;
3. be provided with the shock pad in the one side that interior welt is close to each other, when driving piece promotes interior welt and moves towards the sample, the shock pad can play the effect of buffering to the sample, reduces interior welt to the pressure of sample to reduce the sample and the possibility that the damage appears because the extrusion of welt.
Drawings
FIG. 1 is a schematic diagram of a related art in the background of the present application;
FIG. 2 is a schematic structural diagram of an embodiment of the present application;
fig. 3 is a schematic view for showing the structure of the connection head.
Description of reference numerals: 1. a support frame; 11. a bidirectional lead screw; 12. placing the plate; 2. a splint; 21. an outer plate; 211. a sliding groove; 212. fixing the bolt; 213. a moving head; 22. an inner liner plate; 221. a shock pad; 222. a slide bar; 3. a fixing assembly; 31. a fixed head; 311. a connecting bolt; 32. a plug-in connector; 4. a universal testing machine; 41. a connector; 5. and adjusting the bolt.
Detailed Description
The present application is described in further detail below with reference to figures 2-3.
The embodiment of the application discloses special fixture for detecting flexibility of anti-crack mortar. Referring to fig. 2 and 3, the special fixture for detecting the flexibility of the anti-crack mortar comprises a support frame 1, a clamping plate 2 and a fixing component 3 for being installed on a universal testing machine 4. A connector 41 for mounting a support plate is arranged on the universal testing machine 4, and the fixing component 3 is arranged between the support frame 1 and the connector 41 of the universal testing machine 4; splint 2 sets up to two, and two splint 2 parallel arrangement, and splint 2 establish in support frame 1 and keep away from universal tester 4's connector 41 one side to with support frame 1 sliding connection, splint 2's slip direction is for being close to each other or the direction of keeping away from each other, is provided with the gliding driving piece of drive splint 2 on the support frame 1.
During the use, fix two support frames 1 respectively with universal tester 4's connector 41 through fixed subassembly 3, then place the sample between two splint 2, then utilize two splint 2 of driving piece drive to remove towards the direction that is close to each other to make two splint 2 and sample butt, and fix the sample, realize the fixed to the sample.
Referring to fig. 2, support frame 1 is rectangular plate-shaped, and set up for the level, splint 2 is close to one side fixed removal head 213 that is provided with of support frame 1, two removal heads 213 all are the cuboid and all with support frame 1 sliding connection, the driving piece is two-way lead screw 11, two removal heads 213 wear to establish respectively at two-way lead screw 11's both ends and with two-way lead screw 11 threaded connection, two removal heads 213 are close to one side and the support frame 1 butt of support frame 1, the one end that support frame 1 was kept away from to removal head 213 is provided with places board 12, place board 12 and support frame 1 parallel arrangement, and fixed with support frame 1, splint 2 passes the one end that is close to support frame 1 and places board 12.
When utilizing splint 2 to press from both sides tight the sample, place the sample on placing board 12 earlier, then rotate two-way lead screw 11 for moving head 213 and two-way lead screw 11 threaded connection, thereby drive two moving heads 213 and remove along the direction that is close to each other, make two splint 2 respectively with the sample butt, and fix the sample.
Referring to fig. 2, the clamping plate 2 includes an outer plate 21 and an inner lining plate 22, the outer plate 21 is disposed on one side of the inner lining plate 22 away from each other, one end of the outer plate 21 close to the supporting frame 1 is fixed to the moving head 213, the outer plate 21 is vertically disposed, the inner lining plate 22 is made of a metal thin plate, and the length of the inner lining plate 22 in the horizontal direction is twice that of the outer plate 21 in the horizontal direction. Two sliding tray 211 have been seted up on planking 21, sliding tray 211 is the dovetail, the length direction of two sliding tray 211 is vertical direction, the fixed two slide bars 222 that are provided with on interior welt 22, two slide bars 222 set up respectively in two sliding tray 211, slide bar 222 and sliding tray 211 sliding connection, be provided with the mounting of fixed interior welt 22 on planking 21, the mounting is fixing bolt 212, fixing bolt 212 wears to establish on planking 21, and with planking 21 threaded connection, fixing bolt 212 wears to establish in slide bar 222. The inner lining 22 is fixedly provided with a shock pad 221 on the side close to each other, the shock pad 221 is made of elastic material, and the shock pad 221 is provided with a protrusion for increasing friction force.
When the moving head 213 pushes the inner lining plate 22 to move towards the direction of approaching each other and to abut against the sample, the shock absorption pad 221 is located between the inner lining plate 22 and the sample, the shock absorption pad 221 can protect the sample, the extrusion force of the inner lining plate 22 to the sample is reduced, and therefore the possibility of damage to the sample is reduced; the length of the inner lining plate 22 in the horizontal direction is set to be twice that of the outer plate 21 in the horizontal direction, so that the contact area between the sample and the inner lining plate 22 becomes large, and the possibility that the sample is crushed by the inner lining plate 22 and damaged is reduced. When the inner lining plate 22 is replaced, the fixing bolt 212 is loosened, and then the inner lining plate 22 is pulled along the vertical direction, so that the sliding strip 222 is driven to slide in the sliding groove 211, the inner lining plate 22 is taken down from the outer plate 21, the replaced inner lining plate 22 and the outer plate 21 are connected with the sliding groove 211 through the sliding strip 222, and are fixed through the fixing bolt 212, and the replacement of the inner lining plate 22 is realized.
Referring to fig. 2 and 3, the fixing assembly 3 includes a fixing head 31 and a plug 32, the fixing head 31 is cylindrical, an inner wall of the fixing head 31 is square, and an opening direction of the fixing head 31 is a direction toward the support frame 1; the plug 32 is in a long strip shape and is used in cooperation with the fixing head 31, one end of the plug 32 is fixedly connected with the support frame 1, the other end of the plug is inserted in the fixing head 31 and is slidably connected with the fixing head 31, the fixing head 31 is provided with a connecting bolt 311 in a penetrating mode, and the connecting bolt 311 penetrates through the fixing head 31 and is in threaded connection with the plug 32.
When installing support frame 1 and universal tester 4, insert bayonet joint 32 in fixed head 31, then wear to establish connecting bolt 311 on fixed head 31 for connecting bolt 311 and bayonet joint 32 threaded connection, thereby it is fixed with support frame 1 and universal tester 4.
The implementation principle of the special fixture for detecting the flexibility of the anti-crack mortar in the embodiment of the application is as follows: firstly, fixing the support frame 1 and a connector 41 of a universal testing machine 4 by using a fixing assembly 3, then placing a sample on a placing plate 12 and between two lining plates 22, rotating a bidirectional screw rod 11, when a moving head 213 pushes the lining plates 22 to move towards the direction close to each other and abut against the sample, a shock pad 221 is positioned between the lining plates 22 and the sample, the shock pad 221 can protect the sample, the extrusion force of the lining plates 22 on the sample is reduced, and the possibility of damage to the sample is reduced; when changing interior lining board 22, the fixing bolt 212 is loosened soon, then lining board 22 in the pulling of vertical direction, thereby drive the slide bar 222 and slide in sliding tray 211, and take off interior lining board 22 from planking 21, lining board 22 after will changing again is connected with planking 21 through slide bar 222 and sliding tray 211, and fix through fixing bolt 212, thereby realize the change to interior lining board 22, make the change process of lining board 22 after the damage more convenient.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a special fixture for crack-resistant mortar flexibility detection which characterized in that: including support frame (1) and splint (2), splint (2) set up to two, two splint (2) are vertical setting, two splint (2) parallel arrangement, splint (2) and support frame (1) sliding connection, be provided with the driving piece that two splint (2) of drive are close to each other on support frame (1), splint (2) include planking (21) and interior welt (22), interior welt (22) are located the one side that two splint (2) are close to each other, be connected for dismantling between interior welt (22) and planking (21).
2. The special fixture for detecting the flexibility of the anti-crack mortar according to claim 1, wherein: the outer plate (21) is provided with a sliding groove (211), the sliding groove (211) is dovetail-shaped, the inner lining plate (22) is fixedly provided with a sliding strip (222), the sliding strip (222) slides in the sliding groove (211), and the outer plate (21) is provided with a fixing piece for fixing the inner lining plate (22).
3. The special fixture for detecting the flexibility of the anti-crack mortar according to claim 2, wherein: the sliding grooves (211) are vertically arranged, and two sliding grooves (211) are formed in each outer plate (21).
4. The special fixture for detecting the flexibility of the anti-crack mortar according to claim 3, wherein: the fixing piece is a fixing bolt (212), the fixing bolt (212) is in threaded connection with the outer plate (21), and the end of the fixing bolt (212) penetrates out of the groove bottom of the sliding groove (211) and is inserted into the sliding strip (222).
5. The special fixture for detecting the flexibility of the anti-crack mortar according to claim 1, wherein: the size of the inner lining plate (22) is larger than that of the outer plate (21).
6. The special fixture for detecting the flexibility of the anti-crack mortar according to claim 1, wherein: and one side of the inner lining plate (22) close to each other is provided with a shock pad (221) for reducing the extrusion force of the inner lining plate (22) on the sample, and the shock pad (221) is fixedly connected with the inner lining plate (22).
7. The special fixture for detecting the flexibility of the anti-crack mortar according to claim 1, wherein: one side of the support frame (1) far away from the outer plate (21) is provided with a fixing component (3) used for being fixed with the universal testing machine (4).
8. The special fixture for detecting the flexibility of the anti-crack mortar according to claim 7, wherein: the fixing component (3) comprises a fixing head (31) and a plug-in connector (32), the fixing head (31) is fixed with the universal testing machine (4), the plug-in connector (32) is fixed with one side, far away from the outer plate (21), of the support frame (1), the plug-in connector (32) is inserted into the fixing head (31), a connecting bolt (311) penetrates through the fixing head (31), and the connecting bolt (311) is in threaded connection with the plug-in connector (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120906029.1U CN215148382U (en) | 2021-04-28 | 2021-04-28 | Special fixture for detecting flexibility of anti-crack mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120906029.1U CN215148382U (en) | 2021-04-28 | 2021-04-28 | Special fixture for detecting flexibility of anti-crack mortar |
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| Publication Number | Publication Date |
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| CN215148382U true CN215148382U (en) | 2021-12-14 |
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| CN202120906029.1U Active CN215148382U (en) | 2021-04-28 | 2021-04-28 | Special fixture for detecting flexibility of anti-crack mortar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509334A (en) * | 2022-02-15 | 2022-05-17 | 广东电网有限责任公司 | Testing machine clamp |
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2021
- 2021-04-28 CN CN202120906029.1U patent/CN215148382U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509334A (en) * | 2022-02-15 | 2022-05-17 | 广东电网有限责任公司 | Testing machine clamp |
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