CN219768045U

CN219768045U - Clamp for manufacturing dynamic modulus test piece

Info

Publication number: CN219768045U
Application number: CN202321236376.3U
Authority: CN
Inventors: 吕正龙; 曹荣吉; 吴威伟; 郑炳锋; 王涛; 余明浩; 郭崇; 裴建松; 洪盛祥; 蔡海泉
Original assignee: Nanjing Zhizhuening Instrument Equipment Co ltd; JSTI Group Co Ltd
Current assignee: Nanjing Zhizhuening Instrument Equipment Co ltd; JSTI Group Co Ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-09-29
Anticipated expiration: 2033-05-22

Abstract

The utility model relates to the technical field of clamps, in particular to a clamp for manufacturing a dynamic modulus test piece. The utility model comprises a base, wherein the upper end surface of the base is fixedly connected with a fixing ring, the upper end of the fixing ring is abutted to a positioning ring, the upper end surface of the positioning ring is provided with an adjusting device, the adjusting device comprises three fixing frames, the bottom ends of the three fixing frames are fixedly connected with the positioning ring, the three fixing rings are uniformly distributed on the surface of the positioning ring, the inner wall threads of the fixing frames penetrate through a rotating shaft, one end of the rotating shaft is rotatably connected with an auxiliary plate, and the surface of the auxiliary plate is provided with two limiting holes. The problem of when using positioning fixture to fix spacing to dynamic modulus test piece, ordinary mounting fixture is that both sides splint extrude fixedly to the core sample, appears easily to the unstable condition of core sample centre gripping, and then leads to falling easily when utilizing the anchor clamps to carry out the centre gripping to the core sample is solved.

Description

Clamp for manufacturing dynamic modulus test piece

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp for manufacturing a dynamic modulus test piece.

Background

The fixture is a device for fixing a processing object in a correct position in a mechanical manufacturing process so as to accept construction or detection, and is also called a fixture, which is common in daily life.

The prior art, such as the utility model of publication number CN217943140U, discloses a positioning fixture comprising a positioning datum plate, a positioning chuck, a base plate and a rotating slip ring; the bottom of the positioning chuck is provided with a turntable, the center of the positioning chuck is provided with a mounting through hole, the center of the turntable is provided with a connecting column, the connecting column is inserted into the mounting through hole, and the positioning chuck is provided with positioning convex blocks distributed in a cross shape; the center of the positioning reference plate is sleeved with a glass bead inner wire, the center of the glass bead inner wire is sleeved with a locking column, the outer wall of the glass bead inner wire is provided with a plurality of groups of glass beads, and the outer wall of the locking column is provided with a glass bead sliding groove; an air tap is arranged on one side of the rotary slip ring; through the arrangement of the air tap, the air tap is ventilated to open the positioning chuck, the glass bead is retracted into the glass bead inner wire, the positioning reference plate is loosened, when the air is closed, the glass bead is locked by the air closing spring to be ejected, and when the positioning chuck rotates freely, the problem that the air pipe is wound and knotted is avoided; through the combination setting of location lug and cross groove, guaranteed repeated positioning accuracy.

The inventor finds that when the positioning clamp is used for fixing and limiting a dynamic modulus test piece in daily life, the common fixing clamp is used for extruding and fixing a core sample by two side clamping plates, so that the situation of loose clamping of the core sample is easy to occur, and the problem of easy falling off when the core sample is clamped by the clamp is caused.

Disclosure of Invention

The utility model aims to solve the defects that in the prior art, when a positioning clamp is used for fixing and limiting a dynamic modulus test piece, a core sample is extruded and fixed by a common fixing clamp which is a clamping plate at two sides, so that the core sample is easily clamped and is easy to fall off when the core sample is clamped by the clamp.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a anchor clamps for making dynamic modulus test piece, includes the base, the upper end fixed surface of base is connected with solid fixed ring, gu fixed ring's upper end butt has the holding ring, gu fixed ring's upper end surface is equipped with adjusting device, adjusting device includes three mount, three the bottom of mount all with holding ring fixed connection, three gu fixed ring evenly distributed is on gu fixed ring's surface, the inner wall screw thread of mount runs through there is the pivot, the one end of pivot rotates and is connected with the accessory plate, two spacing holes have been seted up on the surface of accessory plate, the inner wall butt in one of them spacing hole has spacing post, the one end fixedly connected with stripper plate of spacing post, the inner wall screw thread in spacing hole runs through there is the screw rod, the one end and the inner wall threaded connection of spacing post of screw rod.

The effects achieved by the components are as follows: when fixed spacing is carried out to the core sample, through the mount on the holding ring, rotate the pivot on the mount, let the pivot drive the position of accessory plate and stripper plate and remove, and the spacing hole of seting up on the accessory plate carries out the butt with spacing post on the stripper plate, utilizes the screw rod to carry out threaded connection to spacing post and spacing hole again to be convenient for fix spacing accessory plate and stripper plate better, let whole stripper plate can extrude fixedly to the core sample of equidimension not.

Preferably, the arc surface of the rotating shaft is fixedly connected with a plurality of protruding blocks, and the protruding blocks are uniformly distributed on the arc surface of the rotating shaft.

The effects achieved by the components are as follows: when rotating the rotating shaft, friction can be increased through the convex blocks on the rotating shaft, so that the rotating shaft can be rotated better.

Preferably, the fixed orifices have all been seted up at the surface both ends of stripper plate, the lateral wall of fixed orifices is all threaded and is run through there is the fixed column, the one end that the fixed orifices was kept away from to the fixed column and the inner wall looks butt of mount.

The effects achieved by the components are as follows: when the position of the extrusion plate is limited, the fixing column in the fixing hole can be rotated through the fixing hole formed in the extrusion plate, so that the inner wall of the fixing frame is extruded, limited and fixed.

Preferably, the surface of stripper plate all fixedly connected with protection pad, the anti-skidding line has been seted up on the surface of protection pad, protection pad is the rubber pad.

The effects achieved by the components are as follows: when the extrusion plate is utilized to extrude the core sample, the core sample can be better protected through the protection pad on the extrusion plate, so that the core sample is prevented from being damaged by collision.

Preferably, the surface of solid fixed ring is equipped with auxiliary device, auxiliary device includes the snap ring, the bottom of snap ring and the last fixed surface of solid fixed ring are connected, the draw-in groove has been seted up to the position that the snap ring bottom surface corresponds the snap ring, the inner wall of draw-in groove and the surface looks joint of snap ring, the equal sliding penetration of arc surface both sides of locating ring has the movable rod, the locating hole has been seted up to the position that the snap ring arc surface corresponds the movable rod, the inner wall of locating hole and the arc surface sliding connection of movable rod.

The effects achieved by the components are as follows: when the core samples with different height and size are extruded and limited, the whole fixed ring base is replaced conveniently, clamping connection limiting is performed through the clamping ring on the fixed ring and the clamping groove on the positioning ring, and the positioning hole on the clamping ring and the moving rod on the positioning ring are used for plugging limiting, so that the whole base fixed ring is replaced conveniently.

Preferably, the arc surface of the moving rod is sleeved with a spring, and two ends of the spring are fixedly connected with the moving rod and the positioning ring respectively.

The effects achieved by the components are as follows: when the position of the movable rod is limited by the spring, the position of the movable rod can be limited and fixed by the tension generated by the spring.

Preferably, one end of the moving rod, which is far away from the positioning hole, is fixedly connected with a pull ring, and the pull ring is a hard alloy ring.

The effects achieved by the components are as follows: when the position of the moving rod is moved, the pull ring on the moving rod can be conveniently operated.

According to the utility model, when the core sample is fixed and limited, the rotating shaft on the fixing frame is rotated through the fixing frame on the locating ring, the rotating shaft drives the auxiliary plate to move with the position of the extrusion plate, the limiting hole formed on the auxiliary plate is abutted with the limiting post on the extrusion plate, the limiting post is in threaded connection with the limiting hole through the screw rod, so that the auxiliary plate and the extrusion plate can be conveniently and well fixed and limited, the whole extrusion plate can extrude and fix core samples with different sizes, when the rotating shaft rotates, friction can be increased through the protruding blocks on the rotating shaft, so that the rotating shaft can be conveniently and well rotated, when the position of the extrusion plate is limited, the fixing post in the fixing hole can rotate through the fixing hole formed on the extrusion plate, so that the inner wall of the fixing frame is extruded and limited and fixed, when the extrusion plate is utilized for extruding the core sample, the core sample can be better protected through the protection pad on the extrusion plate, the operation of the adjusting device is realized, and the core samples in the fixing frame can be extruded and fixed, so that the rotating shaft can be driven by the rotating shaft on the locating ring to move with the auxiliary plate and the rotating shaft to be limited with different sizes.

According to the utility model, when core samples with different height and size are extruded and limited, in order to facilitate replacement of the whole fixed ring base, the clamping ring on the fixed ring is clamped and limited with the clamping groove on the positioning ring, and then the positioning hole on the clamping ring is used for splicing and limiting with the moving rod on the positioning ring, so that the whole fixed ring of the base is convenient to replace, when the position of the moving rod is limited by the spring, the position of the moving rod can be limited and fixed by the tensile force generated by the spring, when the position of the moving rod is moved, the clamping ring on the moving rod can be conveniently operated, and the operation of the auxiliary device is realized, so that the clamping ring on the base and the clamping groove on the positioning ring are clamped, and then the positioning hole on the clamping ring and the moving rod are spliced and limited, thereby facilitating replacement and fixation of the whole fixed ring and the positioning ring, and being favorable for satisfying the fixed limiting of different core samples.

Drawings

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

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

FIG. 3 is a schematic view of a part of the structure of the adjusting device of the present utility model;

fig. 4 is a schematic structural view of an auxiliary device of the present utility model.

Legend description: 1. a base; 2. a fixing ring; 3. a positioning ring; 4. an adjusting device; 401. a fixing frame; 402. a rotating shaft; 403. a bump; 404. an extrusion plate; 405. a limit column; 406. fixing the column; 407. an auxiliary plate; 408. a protective pad; 409. a fixing hole; 410. a limiting hole; 411. a screw; 5. an auxiliary device; 51. a clamping groove; 52. a clasp; 53. positioning holes; 54. a moving rod; 55. a spring; 56. and (5) a pull ring.

Detailed Description

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a anchor clamps for making dynamic modulus test piece, includes base 1, and the upper end surface fixedly connected with solid fixed ring 2 of base 1, gu fixed ring 2's upper end butt has holding ring 3, and holding ring 3's upper end surface is equipped with adjusting device 4, and gu fixed ring 2's surface is equipped with auxiliary device 5.

The specific arrangement and function of the adjusting means 4 and the auxiliary means 5 will be described in detail below.

Referring to fig. 2 and 3, in the present embodiment: the adjusting device 4 comprises three fixing frames 401, the bottom ends of the three fixing frames 401 are fixedly connected with the positioning rings 3, the three fixing rings 2 are uniformly distributed on the surface of the positioning rings 3, the inner wall threads of the fixing frames 401 penetrate through a rotating shaft 402, one end of the rotating shaft 402 is rotationally connected with an auxiliary plate 407, two limiting holes 410 are formed in the surface of the auxiliary plate 407, the inner wall of one limiting hole 410 is abutted to a limiting column 405, one end of the limiting column 405 is fixedly connected with a squeezing plate 404, the inner wall threads of the limiting holes 410 penetrate through a screw 411, one end of the screw 411 is in threaded connection with the inner wall of the limiting column 405, a plurality of protruding blocks 403 are fixedly connected with the circular arc surface of the rotating shaft 402, a plurality of protruding blocks 403 are uniformly distributed on the circular arc surface of the rotating shaft 402, fixing holes 409 are formed in both ends of the surface of the squeezing plate 404, the side walls of the fixing holes 409 penetrate through fixing columns 406, one end of the fixing columns 406 far away from the fixing holes 409 are abutted to the inner wall of the fixing frames 401, the surface of the squeezing plate 404 is fixedly connected with a protection pad 408, the surface of the protection pad 408 is provided with a non-slip pattern, and the protection pad is a rubber pad.

Referring to fig. 4, in this embodiment: the auxiliary device 5 comprises a clamping ring 52, the bottom end of the clamping ring 52 is fixedly connected with the upper surface of the fixed ring 2, a clamping groove 51 is formed in the bottom surface of the positioning ring 3, the inner wall of the clamping groove 51 is clamped with the surface of the clamping ring 52, two sides of the circular arc surface of the positioning ring 3 are respectively and slidably penetrated with a moving rod 54, a positioning hole 53 is formed in the position of the circular arc surface of the clamping ring 52, corresponding to the moving rod 54, the inner wall of the positioning hole 53 is slidably connected with the circular arc surface of the moving rod 54, a spring 55 is sleeved on the circular arc surface of the moving rod 54, two ends of the spring 55 are fixedly connected with the moving rod 54 and the positioning ring 3 respectively, one end, away from the positioning hole 53, of the moving rod 54 is fixedly connected with a pull ring 56, and the pull ring 56 is a hard alloy ring.

Working principle: when fixed spacing is carried out to the core sample, through mount 401 on the holding ring 3, rotate the pivot 402 on the mount 401, let pivot 402 drive the position of accessory plate 407 and stripper plate 404 and remove, and spacing hole 410 that sets up on the accessory plate 407 carries out the butt with spacing post 405 on the stripper plate 404, utilize screw 411 to carry out threaded connection to spacing post 405 and spacing hole 410 again, thereby be convenient for fix the accessory plate 407 and stripper plate 404 better, let whole stripper plate 404 can extrude fixedly to the core sample of equidimension, when rotating pivot 402, can increase friction through lug 403 on pivot 402, thereby be convenient for rotate pivot 402 better, when spacing to stripper plate 404's position, can be through the fixed orifices 409 of seting up on stripper plate 404, let fixed post 406 in the fixed orifices 409 rotate, thereby extrude spacing fixedly to the inner wall of mount 401, when utilizing stripper plate 404 to extrude the core sample, can protect the core sample better through protection pad 408 on stripper plate 404 and avoid colliding with the damage to the core sample, can increase the friction to the pivot 402 through adjusting device has reached and has reached the position of adjusting device on the pivot 402, thereby can not rotate to rotate pivot 402 to the position of the same size to the stripper plate 404.

When the core samples with different height sizes are extruded and limited, the base 1 of the whole fixing ring 2 is replaced conveniently, at this time, the clamping grooves 51 on the clamping ring 52 and the locating ring 3 on the fixing ring 2 are clamped and limited, the locating holes 53 on the clamping ring 52 and the moving rods 54 on the locating ring 3 are used for plugging and limiting, so that the whole fixing ring 2 of the base 1 is replaced conveniently, when the position of the moving rods 54 is limited through the springs 55, the position of the moving rods 54 can be limited and fixed through the pulling force generated by the springs 55, when the position of the moving rods 54 is moved, the pull rings 56 on the moving rods 54 can be conveniently operated, the butt joint and the fixing of the locating ring 3 and the fixing ring 2 on the base 1 are achieved through the operation of the auxiliary device 5, the clamping grooves 51 on the clamping ring 52 and the locating ring 3 are clamped and the locating holes 53 on the clamping ring 52 are plugged and limited through the moving rods 54, and the whole fixing ring 2 and the fixing ring 3 are replaced and fixed conveniently, and the fixing of the fixing ring 54 is met.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Claims

1. The utility model provides a anchor clamps for making dynamic modulus test piece, includes base (1), its characterized in that: the utility model discloses a fixing device for a base, including base (1), fixed ring (2) is connected with to the upper end fixed surface of base (1), the upper end butt of fixed ring (2) has locating ring (3), the upper end surface of locating ring (3) is equipped with adjusting device (4), adjusting device (4) include three mount (401), three the bottom of mount (401) all with locating ring (3) fixed connection, three fixed ring (2) evenly distributed is on the surface of locating ring (3), the inner wall screw thread of mount (401) runs through there is pivot (402), the one end rotation of pivot (402) is connected with accessory plate (407), two spacing hole (410) have been seted up on the surface of accessory plate (407), the inner wall butt of one of them spacing hole (410) has spacing post (405), the one end fixedly connected with stripper plate (404) of spacing post (410), the inner wall screw thread of spacing hole (410) runs through there is screw rod (411), the one end of screw rod (411) and the inner wall screw thread connection of spacing post (405).

2. A fixture for making dynamic modulus test pieces according to claim 1, wherein: the arc surface of the rotating shaft (402) is fixedly connected with a plurality of protruding blocks (403), and the protruding blocks (403) are uniformly distributed on the arc surface of the rotating shaft (402).

3. A fixture for making dynamic modulus test pieces according to claim 1, wherein: fixing holes (409) are formed in two ends of the surface of the extrusion plate (404), fixing columns (406) penetrate through the side walls of the fixing holes (409) in a threaded mode, and one ends, far away from the fixing holes (409), of the fixing columns (406) are abutted to the inner wall of the fixing frame (401).

4. A fixture for making dynamic modulus test pieces according to claim 1, wherein: the surface of stripper plate (404) all fixedly connected with protection pad (408), anti-skidding line has been seted up on the surface of protection pad (408), protection pad (408) are the rubber pad.

5. A fixture for making dynamic modulus test pieces according to claim 1, wherein: the surface of solid fixed ring (2) is equipped with auxiliary device (5), auxiliary device (5) are including snap ring (52), the bottom of snap ring (52) is connected with the last fixed surface of solid fixed ring (2), draw-in groove (51) have been seted up to the position that snap ring (52) were corresponded to locating ring (3) bottom surface, the inner wall of draw-in groove (51) and the surface looks joint of snap ring (52), all the slip runs through in the arc surface both sides of locating ring (3) has movable rod (54), locating hole (53) have been seted up in the position that snap ring (52) arc corresponds movable rod (54), the inner wall of locating hole (53) and the arc surface sliding connection of movable rod (54).

6. A fixture for making dynamic modulus test pieces according to claim 5, wherein: the arc surface of the moving rod (54) is sleeved with a spring (55), and two ends of the spring (55) are fixedly connected with the moving rod (54) and the positioning ring (3) respectively.

7. A fixture for making dynamic modulus test pieces according to claim 5, wherein: one end of the moving rod (54) far away from the positioning hole (53) is fixedly connected with a pull ring (56), and the pull ring (56) is a hard alloy ring.