CN216771313U - Large-scale cylindric is axle load test device for work piece - Google Patents
Large-scale cylindric is axle load test device for work piece Download PDFInfo
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- CN216771313U CN216771313U CN202123053497.8U CN202123053497U CN216771313U CN 216771313 U CN216771313 U CN 216771313U CN 202123053497 U CN202123053497 U CN 202123053497U CN 216771313 U CN216771313 U CN 216771313U
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Abstract
The utility model relates to the technical field of axial compression tests, in particular to an axial compression test device for a large cylindrical workpiece, which comprises a test support, wherein the test support comprises a front baffle, a rear baffle, side plates and a supporting seat, the front baffle, the rear baffle and the supporting seat are all positioned between the two side plates, the front baffle and the rear baffle are respectively positioned at two ends of the test support, a fixing hole is formed in the rear baffle, the supporting seat is used for supporting the workpiece, a jack is arranged on the front baffle, an axial compression plate is arranged on the jack, and the axial compression plate is used for connecting the workpiece. The workpiece is fixed on the test support through the fixing ring and the support seat, and the jack is used for applying axial pressure to the workpiece, so that the purpose of testing the axial compressive resistance of a large cylindrical part product is achieved.
Description
Technical Field
The utility model relates to the technical field of axial compression tests, in particular to an axial compression test device for a large cylindrical workpiece.
Background
The composite material is a multi-phase material composed of more than two materials with different properties, and compared with a metal material, the composite material has the characteristics of high specific strength and specific rigidity, good vibration damping performance, high structural reliability, good forming process and the like. The composite material with mature process can effectively reduce the structural weight, so the composite material is widely applied to the development of solid rocket engines, the solid rocket engines have great requirements on the axial compressive resistance of the shell, the axial compression test device in the prior art has limited axial length of a test object, and the axial compressive resistance of the rocket engines to the shell is difficult to judge due to the fact that no proper axial compression test device exists for large parts such as the shell of the rocket engine, so that the design of the axial compression test device for large cylindrical workpieces is particularly important.
Disclosure of Invention
The utility model provides an axial pressure test device for a large cylindrical workpiece, which aims to solve the problem that an axial pressure test device in the prior art cannot test the axial compressive resistance of a large part.
In order to realize the purpose, the technical scheme of the utility model is as follows:
the utility model provides a large-scale cylindric is axle load test device for work piece, includes test stand, test stand includes preceding baffle, backplate, curb plate and supporting seat, preceding baffle, backplate and supporting seat all are located between two curb plates, preceding baffle, backplate are located test stand both ends respectively, the fixed orifices has been seted up on the backplate, the supporting seat is used for supporting the work piece, be provided with the jack on the preceding baffle, be provided with the axle clamp plate on the jack, the axle clamp plate is used for connecting the work piece.
Furthermore, a pressure sensor is arranged between the shaft pressing plate and the jack, and central shafts of the shaft pressing plate, the pressure sensor and the jack are located on a central axis of the workpiece.
Furthermore, an arc-shaped opening is formed in the supporting seat, an arc-shaped supporting plate is arranged on the arc-shaped opening, and the arc-shaped supporting plate is matched with the workpiece.
Furthermore, reinforcing ribs are arranged on the inner sides of the joints of the front baffle, the rear baffle and the side plates, two rib plates are arranged on the outer sides of the front baffle and the rear baffle, and the rib plates are fixed on the side plates.
Further, be equipped with solid fixed ring on the fixed orifices, gu fixed ring is located the backplate inboard, gu fixed ring goes up the circumference and has evenly seted up the through-hole.
Furthermore, an operation hole is formed in the side plate corresponding to the joint of the shaft pressing plate and the jack, and a reinforcing beam is arranged on the outer side of the side plate.
Furthermore, bases are arranged below the front baffle, the rear baffle, the side plates and the supporting seat.
Through the technical scheme, the utility model has the beneficial effects that:
1. the workpiece is fixed on the test support through the fixing ring and the support seat, and the jack is used for applying axial pressure to the workpiece, so that the purpose of testing the axial compressive resistance of a large cylindrical part product is achieved.
2. The centers of the pressure sensor and the jack are coaxial with the center of the shaft pressing plate, so that the jack acts on the shaft surface of the workpiece in a balanced manner, the pressure sensor can record the pressure applied by the jack, and the accuracy of a shaft pressure test is ensured.
3. The reinforcing ribs and the reinforcing beams additionally arranged in the test device can improve the axial compressive resistance of the test device, and the rib plates ensure the axial compressive resistance of the front baffle and the rear baffle, so that the front baffle and the rear baffle are prevented from being loosened to influence the test result when the jack applies pressure.
Drawings
FIG. 1 is a schematic structural diagram of an axial compression testing device for large cylindrical workpieces according to the present invention.
Fig. 2 is a sectional view of an axial compression testing apparatus for a large cylindrical workpiece according to the present invention.
Fig. 3 is a plan view of a large-sized cylindrical workpiece axial compression testing apparatus according to the present invention.
FIG. 4 is a schematic diagram of the structure of the test rack.
The reference numbers in the drawings are as follows: the test device comprises a test support 1, a workpiece 2, an operation hole 3, a shaft pressing plate 4, a pressure sensor 5, a jack 6, a base 7, a fixing hole 8, a reinforcing beam 9, a front baffle 10, a reinforcing rib 11, a supporting seat 12, a side plate 13, a rear baffle 14 and a rib plate 15.
Detailed Description
The utility model is further described with reference to the following figures and detailed description:
as shown in fig. 1 to 4, the large-scale shaft compression test device for cylindrical workpieces comprises a test support 1, wherein the test support 1 comprises a front baffle 14, a rear baffle 10, side plates 13 and a support seat 12, the front baffle 14, the rear baffle 10 and the support seat 12 are located between the two side plates 13, the front baffle 14 and the rear baffle 10 are respectively located at two ends of the test support 1, a fixing hole 8 is formed in the rear baffle 10, the support seat 12 is used for supporting the workpieces 2, a jack 6 is arranged on the front baffle 14, a shaft compression plate 4 is arranged on the jack 6, and the shaft compression plate 4 is used for connecting the workpieces 2. And a pressure sensor 5 is arranged between the shaft pressing plate 4 and the jack 6, and the central shafts of the shaft pressing plate 4, the pressure sensor 5 and the jack 6 are positioned on the central axis of the workpiece 2. Put work piece 2 on supporting seat 12, fix work piece 2 on experimental support 1 through fixed orifices 8, overlap shaft clamp plate 4 in work piece 2 one end, pressure sensor 5 fixes on shaft clamp plate 4, open jack 6, jack 6 carries out pressure boost and pressure release to work piece 2 through shaft clamp plate 4, the external pressure test instrument of pressure sensor 5, pressure test instrument record pressure value, verify whether work piece 2 damages under design pressure, the maximum pressure that can bear when also can testing work piece 2 and being destroyed.
An arc-shaped opening is formed in the supporting seat 12, an arc-shaped supporting plate is arranged on the arc-shaped opening, and the arc-shaped supporting plate is matched with the workpiece 2. The arc supporting plate increases the contact area of the supporting seat 12 and the workpiece 2, and prevents the supporting seat 12 from being damaged.
Reinforcing ribs 11 are arranged on the inner sides of the joints of the front baffle plate 14, the rear baffle plate 10 and the side plate 13, two rib plates 15 are arranged on the outer sides of the front baffle plate 14 and the rear baffle plate 10, and the rib plates 15 are fixed on the side plate 13. An operation hole 3 is formed in the side plate 13 corresponding to the joint of the shaft pressing plate 4 and the jack 6, and a reinforcing beam 9 is arranged on the outer side of the side plate 13. The reinforcing rib 11 and the reinforcing beam 9 which are additionally arranged on the test support 1 can improve the axial compressive resistance of the test device, the rib plate 15 ensures the axial compressive resistance of the front baffle 14 and the rear baffle 10, and the front baffle 14 and the rear baffle 10 are prevented from loosening to influence the test result when the jack 6 applies pressure.
Be equipped with solid fixed ring on the fixed orifices 8, gu fixed ring is located backplate 10 inboard, gu the through-hole has evenly been seted up to fixed ring last circumference. And bases 7 are arranged below the front baffle 14, the rear baffle 10, the side plates 13 and the supporting seat 12. The fixing ring on the fixing hole 8 limits the workpiece 2, so that the workpiece 2 is fixed through the through hole in the fixing ring, the workpiece 2 is prevented from being loosened when being pressed, the base 7 increases the contact area between the test support 1 and the ground, and the test support 1 is prevented from being damaged due to overlarge weight.
When the device is used, a workpiece 2 is placed on a supporting seat 12, a fixing ring on a fixing hole 8 limits the workpiece 2, a bolt penetrates through a through hole in the fixing ring and the workpiece 2 to fix the workpiece 2 and a test support 1, a shaft pressing plate 4 is sleeved at one end of the workpiece 2, a pressure sensor 5 is fixed on the shaft pressing plate 4, a jack 6 is opened, the jack 6 pressurizes and decompresses the workpiece 2 through the shaft pressing plate 4, the pressure sensor 5 is externally connected with a pressure test instrument which records pressure values to verify whether the workpiece 2 is damaged under design pressure or not, the maximum pressure which can be borne when the workpiece 2 is damaged can also be tested, and the purpose of testing the axial compressive resistance of a large-sized cylindrical product is achieved, because the shaft pressing plate 4, the pressure sensor 5 and the jack 6 are coaxial with the center of the workpiece 2, the jack 6 acts on the axial surface of the workpiece 2 in a balanced manner, and the pressure sensor 5 can record the pressure applied by the jack 6, the accuracy of the axial compression test is ensured.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, so that all equivalent changes and modifications made according to the technical solutions described in the claims of the present invention should be included in the claims of the present invention.
Claims (7)
1. The utility model provides a large-scale cylindric is axle load test device for work piece, includes test support (1), its characterized in that, test support (1) is including preceding baffle (14), backplate (10), curb plate (13) and supporting seat (12), preceding baffle (14), backplate (10) and supporting seat (12) all are located between two curb plates (13), preceding baffle (14), backplate (10) are located test support (1) both ends respectively, fixed orifices (8) have been seted up on backplate (10), supporting seat (12) are used for supporting work piece (2), be provided with jack (6) on preceding baffle (14), be provided with axle clamp plate (4) on jack (6), axle clamp plate (4) are used for connecting work piece (2).
2. The axial compression test device for the large-sized cylindrical workpiece, according to claim 1, is characterized in that a pressure sensor (5) is arranged between the axial compression plate (4) and the jack (6), and central axes of the axial compression plate (4), the pressure sensor (5) and the jack (6) are located on a central axis of the workpiece (2).
3. The axial compression test device for the large cylindrical workpiece as recited in claim 1, wherein the supporting seat (12) is provided with an arc-shaped opening, an arc-shaped supporting plate is arranged on the arc-shaped opening, and the arc-shaped supporting plate is matched with the workpiece (2).
4. The axial compression test device for the large cylindrical workpiece according to claim 1, wherein reinforcing ribs (11) are arranged on the inner sides of the joints of the front baffle (14), the rear baffle (10) and the side plates (13), two rib plates (15) are arranged on the outer sides of the front baffle (14) and the rear baffle (10), and the rib plates (15) are fixed on the side plates (13).
5. The axial compression test device for the large cylindrical workpiece according to claim 1, wherein a fixing ring is arranged on the fixing hole (8), the fixing ring is positioned on the inner side of the rear baffle (10), and through holes are uniformly formed in the fixing ring in the circumferential direction.
6. The axial compression test device for the large cylindrical workpiece according to claim 1, wherein an operation hole (3) is formed in the side plate (13) corresponding to the joint of the axial compression plate (4) and the jack (6), and a reinforcing beam (9) is arranged on the outer side of the side plate (13).
7. The axial compression test device for the large cylindrical workpiece, according to claim 1, is characterized in that bases (7) are arranged below the front baffle (14), the rear baffle (10), the side plates (13) and the supporting seat (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123053497.8U CN216771313U (en) | 2021-12-07 | 2021-12-07 | Large-scale cylindric is axle load test device for work piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123053497.8U CN216771313U (en) | 2021-12-07 | 2021-12-07 | Large-scale cylindric is axle load test device for work piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216771313U true CN216771313U (en) | 2022-06-17 |
Family
ID=81965730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123053497.8U Active CN216771313U (en) | 2021-12-07 | 2021-12-07 | Large-scale cylindric is axle load test device for work piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216771313U (en) |
-
2021
- 2021-12-07 CN CN202123053497.8U patent/CN216771313U/en active Active
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