CN218382039U

CN218382039U - High-temperature stretching clamp for thin plate

Info

Publication number: CN218382039U
Application number: CN202221518188.5U
Authority: CN
Inventors: 王彦东; 宋文城; 王俊; 钟娟; 徐升; 李延朋
Original assignee: Hangxin Material Technology Co ltd; Shandong Nanshan Aluminium Co Ltd
Current assignee: Hangxin Material Technology Co ltd; Shandong Nanshan Aluminium Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2023-01-24
Anticipated expiration: 2032-06-17

Abstract

The utility model relates to a sheet metal high temperature tensile anchor clamps belongs to anchor clamps equipment technical field, clamping components including two sets of symmetries setting, clamping components includes the connecting cylinder, the go-between, the clamp splice, locking ring and carrier bar, connecting cylinder one end set up threaded hole, carrier bar one end threaded connection is in the screw hole, the go-between is connected in the one end that the carrier bar was kept away from in the connecting cylinder, the transversal semicircle of personally submitting of clamp splice, the clamp splice has two and two clamp splice plane parallel arrangement, clamp splice one end fixedly connected with annular is protruding, the clamp splice has been close to and has been seted up the joint groove on the bellied cambered surface, the connecting block joint is in the recess of two clamp splices, it has the external screw thread to process in the cambered surface of clamp splice, locking ring and clamp splice threaded connection. The sample is face contact with the clamp splice, has increased area of contact, has increased the frictional force between sample and the clamp splice, makes the centre gripping of clamp splice more firm, and sample and clamp splice face contact in addition, the exposed core of sample can not produce stress concentration, avoids the sample to take place to tear, guarantees the accuracy of test result.

Description

High-temperature stretching clamp for thin plate

Technical Field

The utility model belongs to the technical field of the anchor clamps equipment technique and specifically relates to a tensile anchor clamps of sheet metal high temperature is related to.

Background

With the rapid development of domestic aviation, aerospace, energy and transportation industries, the application scenes of high-performance and high-service-temperature materials such as high-temperature alloys and titanium alloys are more and more extensive, and the research on the high-temperature mechanical properties of materials with different specifications is more and more important.

The high-temperature stretching is a mechanical property testing method with the testing temperature higher than room temperature, the testing temperature is set according to different practical application environment temperatures, and after the temperature is raised to the experimental temperature and is kept for a certain time, the sample deforms under the action of axial load, and the high-temperature property of the sample is measured. The pin type connection is generally adopted for the high-temperature tensile sample of the thin plate and tensile test equipment in the current industry, stress concentration exists at a pin hole in the tensile process, and the material is softened under the high-temperature environment, so that the connection mode can cause the sample to deform at the pin hole, even tear at the pin hole, and cause inaccurate or even failure of a test result.

Aiming at the problems in the prior art, a high-temperature stretching clamp for a thin plate is provided

SUMMERY OF THE UTILITY MODEL

The utility model provides a to the problem among the above-mentioned prior art, provide a sheet metal high temperature tensile anchor clamps, can realize through following technical scheme:

the utility model provides a tensile anchor clamps of sheet metal high temperature, includes the clamping components that two sets of symmetries set up, clamping components includes connecting cylinder, go-between, clamp splice, locking ring and carrier bar, threaded hole is seted up to connecting cylinder one end, carrier bar one end threaded connection is in the screw hole, the go-between is connected in the one end that the carrier bar was kept away from to the connecting cylinder, the transversal semicircular in shape of clamp splice, the clamp splice has two and two clamp splice plane parallel arrangement, clamp splice one end fixedly connected with annular is protruding, the clamp splice has been close to the bellied cambered surface and has been seted up the joint groove, the go-between joint is in the recess of two clamp splices, it has the external screw thread to process in the cambered surface of clamp splice, locking ring and clamp splice threaded connection.

The utility model discloses further set up to: knurling is uniformly processed on the plane of the clamping block, which is in contact with the test thin plate.

The utility model discloses further set up to: the clamp blocks are arranged in a conical shape, and the diameter of one end, close to the protrusions, of each clamp block is larger than that of the other end of each clamp block.

The utility model discloses further set up to: the connecting cylinder is close to the first articulated seat of fixedly connected with on the terminal surface of go-between, the terminal surface fixedly connected with second articulated seat that the go-between is close to the connecting cylinder, the through-hole has all been seted up to first articulated seat and the articulated seat of second, the through-hole is held between the fingers and is pegged graft there is the hinge bar.

The utility model discloses further set up to: the outer side wall of the locking ring is provided with a counter bore.

To sum up, the beneficial technical effects of the utility model are that:

when a tensile test is carried out, a sample is placed between the two clamping blocks, the locking ring is in threaded connection with the clamping blocks so as to clamp the sample, the bearing rod is connected with tensile equipment so as to complete the tensile test of the sample, the sample is in surface contact with the clamping blocks, the contact area is increased, the friction force between the sample and the clamping blocks is increased, the clamping of the clamping blocks is firmer, in addition, the sample is in surface contact with the clamping blocks, the clamping end of the sample cannot generate stress concentration, the sample is prevented from being torn, and the accuracy of the test result is ensured; the clamping blocks flexibly rotate along the axis of the connecting ring, so that the sample is prevented from being twisted in the clamping and testing processes.

Drawings

Fig. 1 is an exploded view for showing the overall structure of the present embodiment;

FIG. 2 is an assembly view for showing the overall structure of the present embodiment;

fig. 3 is a schematic view for showing the fitting of the clamping block with the connection ring.

Reference numerals: 1. a connecting cylinder; 11. a threaded hole; 12. a first hinge mount; 2. a connecting ring; 21. A second hinge mount; 3. a clamping block; 31. a protrusion; 32. knurling; 4. locking a ring; 41. a counter bore; 5. A carrier bar; 6. a hinged lever.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

As shown in fig. 1-3, for the utility model discloses a sheet metal high temperature tensile anchor clamps, clamping component including two sets of symmetries setting, clamping component includes connecting cylinder 1, go-between 2, clamp splice 3, locking ring 4 and carrier bar 5, 1 one end of connecting cylinder has set up threaded hole 11, 5 one end threaded connection of carrier bar in screw hole 11, go-between 2 articulates in the one end that carrier bar 5 was kept away from to connecting cylinder 1, the transversal semicircular in shape of clamp splice 3, clamp splice 3 has two and two 3 two plane parallel arrangement of clamp splice, 3 one end fixedly connected with annular bulge 31 of clamp splice, clamp splice 3 has seted up joint groove 32 on being close to the cambered surface of bulge 31, go-between 2 joint is in the recess 32 of two clamp splice 3, it has the external screw thread to process on the cambered surface of clamp splice 3, locking ring 4 and 3 threaded connection of clamp splice. When a tensile test is carried out, a sample is placed between the two clamping blocks 3, the locking ring 4 is in threaded connection with the clamping blocks 3 so as to clamp the sample, the bearing rod 5 is connected with tensile equipment so as to complete the tensile test of the sample, the sample is in surface contact with the clamping blocks 3, the contact area is increased, the friction force between the sample and the clamping blocks 3 is increased, the clamping of the clamping blocks 3 is firmer, in addition, the sample is in surface contact with the clamping blocks 3, the stress concentration cannot be generated at the clamping end of the sample, the sample is prevented from being torn, and the accuracy of a test result is ensured; the clamping block 3 flexibly rotates along the axis of the connecting ring 2, so that the sample is prevented from being twisted in the clamping and testing processes.

Knurling 32 is uniformly processed on the plane of the clamping block 3 contacted with the sample. The friction factor on the surface of the clamping block 3 is increased due to the arrangement of the knurls 32, the friction force between the clamping block 3 and a sample is further increased, and the clamping stability is ensured.

The clamping block 3 is arranged in a conical shape, and the diameter of one end, close to the bulge 31, of the clamping block 3 is larger than that of the other end of the clamping block. The conical arrangement of the clamping block 3 can adjust the position of the locking ring 4 according to the thickness of the test sample, so that the test samples with different thicknesses can be subjected to tensile test.

The connecting cylinder 1 is close to the first articulated seat 12 of fixedly connected with on the terminal surface of connecting ring 2, and connecting ring 2 is close to the articulated seat 21 of the terminal surface fixedly connected with second of connecting cylinder 1, and the through-hole has all been seted up to first articulated seat 12 and the articulated seat 21 of second, and the through-hole is held between the fingers and is pegged graft there is hinge bar 6. The connecting cylinder 1 and the connecting ring 2 are connected through the first hinge base 12, the second hinge base 21 and the hinge rod 6.

The counter bore 41 has been seted up to locking ring 4 lateral wall, through the setting of counter bore 41, the staff of being convenient for inserts the instrument in locking ring 4, rotates locking ring 4, fixes the sample.

Claims

1. The utility model provides a sheet metal high temperature tensile anchor clamps, its characterized in that includes the clamping components that two sets of symmetries set up, clamping components includes connecting cylinder (1), go-between (2), clamp splice (3), locking ring (4) and carrier bar (5), threaded hole (11) are seted up to connecting cylinder (1) one end, carrier bar (5) one end threaded connection is in screw hole (11), go-between (2) are connected in the one end that carrier bar (5) were kept away from in connecting cylinder (1), the transversal semicircular in shape of clamp splice (3), clamp splice (3) have two and two clamp splice (3) plane parallel arrangement, clamp splice (3) one end fixedly connected with annular bulge, clamp splice (3) are close to the bellied cambered surface and have seted up the joint groove, the go-between joint in the recess of two clamp splices (3), processing has the external screw thread on the cambered surface of clamp splice (3), locking ring (4) and clamp splice (3) threaded connection.

2. A high-temperature sheet stretching jig as set forth in claim 1, wherein the plane of the clamping blocks (3) in contact with the test sheet is uniformly knurled (32).

3. A high temperature stretching clamp for thin plate as claimed in any one of claims 1 to 2, wherein said clamping block (3) is tapered, and the diameter of said clamping block (3) near one end of the projection is larger than that of the other end.

4. The high-temperature sheet stretching clamp as claimed in claim 3, wherein a first hinge seat (12) is fixedly connected to the end surface of the connecting cylinder (1) close to the connecting ring (2), a second hinge seat (21) is fixedly connected to the end surface of the connecting ring (2) close to the connecting cylinder (1), through holes are formed in the first hinge seat (12) and the second hinge seat (21), and a hinge rod (6) is inserted into the through holes in a pinching and inserting mode.

5. The high-temperature thin plate stretching clamp as claimed in claim 3, wherein the outer side wall of the locking ring (4) is provided with a counter bore (41).