CN219625320U

CN219625320U - Cement test piece clamp capable of moving transversely

Info

Publication number: CN219625320U
Application number: CN202321101892.5U
Authority: CN
Inventors: 朱殊; 盛昆; 白祥; 沈永麟; 熊琳强; 杜曜名
Original assignee: Yunnan Construction Materials Product Quality Inspection And Research Institute
Current assignee: Yunnan Construction Materials Product Quality Inspection And Research Institute
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-09-01
Anticipated expiration: 2033-05-09

Abstract

The utility model discloses a transversely moving cement test piece fixture, which relates to the technical field of test piece fixtures, and comprises a mounting frame, wherein a sliding groove is transversely formed in the upper end of a bottom plate of the mounting frame, the upper end of the sliding groove is connected with a clamping frame in a sliding manner, a threaded sleeve is arranged at the middle position of the front side of the clamping frame, a plurality of locking holes are uniformly formed in the front side of the clamping frame close to the lower end of the clamping frame, a connecting block is arranged at the bottom of the mounting frame, the lower end of the connecting block is connected with a connecting rod, a first through hole is formed in the middle of the connecting rod in a penetrating manner, a connecting sleeve is connected to the outer side of the connecting rod, the transversely moving cement test piece fixture is connected with a pressing plate through a bearing, a plurality of cement test pieces are placed between the pressing plate and a back plate of the clamping frame, a rotating handle is rotated, the cement test pieces can be clamped, a positioning screw is completely screwed out of the locking holes, and the clamping frame is slid, and the relative positions of the clamping frame and the mounting frame can be changed under the condition that the fixture is not disassembled, so that a test can be conveniently carried out on coiled materials at different positions.

Description

Cement test piece clamp capable of moving transversely

Technical Field

The utility model relates to the technical field of test piece clamps, in particular to a cement test piece clamp capable of transversely moving.

Background

The peel strength test is generally used for measuring the bonding strength of materials (generally, adhesives), a cement test piece and a coiled material are tightly adhered, then the cement test piece is clamped and fixed by using a cement test piece clamp, and then the peel strength test is completed on the cement test piece by using test instruments such as a tensile tester according to test specifications.

At present, common cement test piece anchor clamps are usually that clamping frame, splint and lead screw constitute, can't adjust its position after the centre gripping cement test piece, lead to can only test single coiled material, can't carry out intensity test to a plurality of coiled materials in proper order under the condition of not dismouting anchor clamps, to above-mentioned problem, need to design a novel lateral shifting's cement test piece anchor clamps urgently.

Disclosure of Invention

The utility model aims to provide a transversely moving cement test piece clamp, which solves the problems that in the background art, after clamping a cement test piece, the position of the cement test piece cannot be adjusted, and the cement test piece cannot be subjected to strength test sequentially without disassembling and assembling the clamp.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lateral shifting's cement test piece anchor clamps, includes the installing frame, the sliding tray has transversely been seted up to installing frame bottom plate upper end, sliding tray upper end sliding connection has the centre gripping frame, screw sleeve is installed to centre gripping frame front side intermediate position, a plurality of locking holes have evenly been seted up near the lower extreme position to the centre gripping frame front side, the installing frame bottom is provided with the connecting block, the connecting block lower extreme is connected with the connecting rod, run through in the middle of the connecting rod and seted up first through-hole, the connecting rod outside is connected with connecting sleeve.

Further, the connecting sleeve bottom is provided with the fixing base, the fixing base passes through screw and test bench fixed connection, the second through-hole has transversely been seted up in the middle of the connecting sleeve, first through-hole and second through-hole internally mounted have the locking lever, can realize quick assembly disassembly through pulling out the plug locking lever, improve the convenience of use.

Further, the screw rod is connected to the middle of the threaded sleeve in a transmission manner, the rotating handle is arranged at the front end of the screw rod, the rear end of the screw rod is connected with the pressing plate through the bearing, a plurality of cement test pieces are placed between the pressing plate and the clamping frame backboard, the rotating handle is rotated to drive the screw rod to rotate, the screw rod is matched with the threaded sleeve, the screw rod can drive the pressing plate to move back and forth, and when the pressing plate is close to the clamping frame backboard, the cement test pieces can be clamped.

Further, the front side of the back plate of the clamping frame is provided with anti-slip teeth, and the rear side of the pressing plate is provided with anti-slip teeth, so that friction force can be improved, and a cement test piece is prevented from moving and falling in the test process.

Further, a plurality of locating strips are uniformly arranged at the top of the pressing plate, the central lines of the locating strips and the locking holes are coincident, so that the cement test piece can be accurately placed, the clamping position of a tensile test can be indicated in an auxiliary mode, the phenomenon of biased pulling is avoided, and the test accuracy is guaranteed.

Further, the slider is installed to centre gripping frame bottom, slider and sliding tray sliding connection can prevent that the centre gripping frame from taking place the skew of other directions when transversely sliding, simultaneously in the test process, can make the height of centre gripping frame unchanged, guarantees experimental accuracy.

Further, a screw hole is formed in the middle of the front side of the mounting frame in a penetrating manner, a positioning screw is arranged in the middle of the screw hole and the locking hole, the positioning screw is completely screwed out of the locking hole, the clamping frame is slid, and the positioning screw is reversely screwed, so that the positioning screw completely enters the corresponding locking hole at the moment, locking is completed, the relative positions of the clamping frame and the mounting frame can be changed, and a test can be conveniently carried out on coiled material strips at different positions.

Compared with the prior art, the utility model has the beneficial effects that: this lateral shifting's cement test piece anchor clamps mainly includes the installing frame, screw sleeve intermediate drive is connected with the lead screw, the lead screw front end is provided with the rotating handle, the lead screw rear end is connected with the clamp plate through the bearing, place a plurality of cement test pieces between clamp plate and centre gripping frame backplate, rotate the rotating handle, drive the lead screw and rotate, lead screw and screw sleeve cooperation, can make the lead screw drive the clamp plate and reciprocate, when the clamp plate is close to the centre gripping frame backplate, can the centre gripping cement test piece, screw out the locking hole completely with the locating screw, slide the centre gripping frame, reverse screwing moves the locating screw again, make it get into the locking hole that corresponds this moment completely in, accomplish the locking, can change the relative position of centre gripping frame and installing frame under the circumstances of not dismouting anchor clamps, be convenient for carry out the test to different position coiled materials.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a split structure of the present utility model;

FIG. 3 is a schematic view of a mounting structure of a clamping frame according to the present utility model;

fig. 4 is a schematic view of the installation structure of the connecting sleeve of the present utility model.

In the figure: 1. a mounting frame; 2. a sliding groove; 3. a clamping frame; 4. a threaded sleeve; 5. a locking hole; 6. a connecting block; 7. a connecting rod; 8. a first through hole; 9. a connecting sleeve; 10. a fixing seat; 11. a second through hole; 12. a locking lever; 13. a screw rod; 14. a rotating handle; 15. a pressing plate; 16. anti-slip teeth; 17. a positioning strip; 18. a slide block; 19. a screw hole; 20. and (5) positioning a screw.

Detailed Description

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a lateral shifting's cement test piece anchor clamps, includes installing frame 1, the sliding tray 2 has transversely been seted up to installing frame 1 bottom plate upper end, sliding tray 2 upper end sliding connection has centre gripping frame 3, slider 18 is installed to centre gripping frame 3 bottom, slider 18 and sliding tray 2 sliding connection can prevent that centre gripping frame 3 from taking place the skew of other directions when transversely sliding, simultaneously in test process, enables the height of centre gripping frame 3 and does not change, guarantees experimental accuracy.

Simultaneously, screw sleeve 4 is installed to centre position in centre of centre gripping frame 3 front side, screw sleeve 4 intermediate drive is connected with lead screw 13, lead screw 13 front end is provided with rotating handle 14, lead screw 13 rear end passes through the bearing and is connected with clamp plate 15, place a plurality of cement test pieces between clamp plate 15 and centre gripping frame 3 backplate, rotate rotating handle 14, drive lead screw 13 and rotate, lead screw 13 and screw sleeve 4 cooperation can make lead screw 13 drive clamp plate 15 back-and-forth movement, when clamp plate 15 is close to centre gripping frame 3 backplate, can centre gripping cement test piece, clamp plate 3 backplate front side is provided with anti-skidding tooth 16, clamp plate 15 rear side is provided with anti-skidding tooth 16, can improve frictional force, prevents that cement test piece from removing in the test process from droing, clamp plate 15 front side is close to the lower extreme position and evenly has seted up a plurality of locking hole 5, clamp plate 15 top evenly is provided with a plurality of locating strips 17, locating strip 17, locking hole 5 both are located the coincidence of vertical direction, the centre line of direction is convenient for cement test piece's accurate placement, can assist the centre gripping position that instructs tensile test piece simultaneously, takes place the bias test accuracy is guaranteed.

In addition, the screw 19 has been seted up in the middle of the installation frame 1 front side, install set screw 20 in the middle of screw 19 and the locking hole 5, screw out locking hole 5 completely with set screw 20, slip centre gripping frame 3, reverse screwing in again moves set screw 20, make it get into in the locking hole 5 that corresponds this moment completely, accomplish the locking, can change the relative position of centre gripping frame 3 and installation frame 1, be convenient for develop the test to the coiled material strip of different positions, installation frame 1 bottom is provided with connecting block 6, connecting block 6 lower extreme is connected with connecting rod 7, first through-hole 8 has been seted up in the middle of connecting rod 7, the connecting rod 7 outside is connected with connecting sleeve 9, connecting sleeve 9 bottom is provided with fixing base 10, fixing base 10 passes through screw and test bench fixed connection, transversely set up second through-hole 11 in the middle of the connecting sleeve 9, first through-hole 8 and second through-hole 11 internally mounted have locking lever 12, can realize quick assembly disassembly through pulling out locking lever 12, improve the convenience of use.

Working principle and using flow: firstly, cement test pieces are placed between a pressing plate 15 and a backboard of a clamping frame 3 through auxiliary positioning of a positioning strip 17, a rotating handle 14 is rotated to drive a screw rod 13 to rotate, the screw rod 13 is matched with a threaded sleeve 4, the screw rod 13 can drive the pressing plate 15 to move back and forth, when the pressing plate 15 is close to the backboard of the clamping frame 3, the cement test pieces can be clamped, a sliding block 18 is slidably connected with a sliding groove 2, the clamping frame 3 can be prevented from shifting in other directions during transverse sliding, meanwhile, in the test process, the height of the clamping frame 3 can be kept unchanged, the test accuracy is ensured, a positioning screw 20 is completely screwed out of a locking hole 5, the clamping frame 3 is slid, and then the positioning screw 20 is reversely screwed to completely enter the corresponding locking hole 5 at the moment to complete locking, so that the relative positions of the clamping frame 3 and the mounting frame 1 can be changed, and the test can be conveniently carried out on different test blocks.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lateral shifting's cement test piece anchor clamps, includes installing frame (1), its characterized in that: the utility model discloses a clamping device for a high-pressure gas turbine, including installation frame (1), connecting rod (7), screw sleeve (4), connecting rod (7), mounting frame (1) bottom, sliding tray (2) have transversely been seted up to installation frame (1) bottom plate upper end, sliding tray (2) upper end sliding connection has centre gripping frame (3), screw sleeve (4) are installed to centre gripping frame (3) front side intermediate position, a plurality of locking holes (5) have evenly been seted up near lower extreme position to centre gripping frame (3) front side, installation frame (1) bottom is provided with connecting block (6), connecting block (6) lower extreme is connected with connecting rod (7), first through-hole (8) have been run through in the middle of connecting rod (7), connecting rod (7) outside is connected with connecting sleeve (9).

2. A laterally moving cement specimen holder according to claim 1, wherein: the bottom of the connecting sleeve (9) is provided with a fixing seat (10), the fixing seat (10) is fixedly connected with the test bed through a screw, a second through hole (11) is transversely formed in the middle of the connecting sleeve (9), and locking rods (12) are arranged in the first through hole (8) and the second through hole (11).

3. A laterally moving cement specimen holder according to claim 1, wherein: the middle of the threaded sleeve (4) is in transmission connection with a screw rod (13), the front end of the screw rod (13) is provided with a rotating handle (14), and the rear end of the screw rod (13) is connected with a pressing plate (15) through a bearing.

4. A laterally moving cement specimen holder according to claim 3, wherein: the anti-slip tooth (16) is arranged on the front side of the backboard of the clamping frame (3), and the anti-slip tooth (16) is arranged on the rear side of the pressing plate (15).

5. A laterally moving cement specimen holder according to claim 3, wherein: a plurality of positioning strips (17) are uniformly arranged at the top of the pressing plate (15), and the center lines of the positioning strips (17) and the locking holes (5) are coincident in the vertical direction.

6. A laterally moving cement specimen holder according to claim 1, wherein: the bottom of the clamping frame (3) is provided with a sliding block (18), and the sliding block (18) is in sliding connection with the sliding groove (2).

7. A laterally moving cement specimen holder according to claim 1, wherein: screw holes (19) are formed in the middle of the front side of the mounting frame (1) in a penetrating mode, and positioning screws (20) are arranged between the screw holes (19) and the locking holes (5).