Novel combined tension experiment platform
By designing a new combined tensile experimental platform and using hydraulic cylinders and tie rod systems to fix and tensile tests on the test workpiece, the problem of low testing efficiency of traditional tensile testing machines is solved, and more efficient experimental operation and cost reduction is achieved.
Patent Information
- Application Number
- CN202420910556.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-04-29
AI Technical Summary
When testing heavy equipment, traditional horizontal tensile testing machines require design of auxiliary tooling due to the influence of gravity, resulting in a long experimental preparation cycle and low testing efficiency, which increases additional costs.
Design a new combination tensile experimental platform, including test beams, support columns, height adjustment support, first- and second-level tensile mechanisms, and realize stable fixation and tensile testing of the test workpiece through hydraulic cylinders and tie rod systems, improving operation convenience and testing efficiency.
Through the cooperation of the first- and second-level tension mechanisms, effective fixation and tension testing of the test workpiece is achieved, the operation process is simplified, the testing efficiency is improved, and the experimental preparation time and cost are reduced.
Smart Images
Figure CN222336954U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of heavy equipment load testing, and specifically relates to a novel combined tension test platform. Background Art
[0002] For heavy equipment, it is necessary to use a tensile testing machine to perform load testing on it. Traditional tensile testing machines are generally horizontal and consist of a fixed end and a hydraulic traction end. Due to the influence of gravity, in some cases, auxiliary tooling needs to be designed to fix the equipment before testing. The experimental preparation cycle is long and it will incur additional costs, making the test efficiency of the test workpiece insufficient. Utility Model Content
[0003] The purpose of the utility model is to provide a novel combined tensile test platform to solve the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A novel combined tension test platform comprises a test beam, wherein the test beam is symmetrically provided with two groups front and back, the bottom end of the test beam is symmetrically connected with a support column, the upper end of the test beam is symmetrically provided with a height adjustment support, the upper end of the height adjustment support is connected with a connecting column, the upper end of the connecting column is connected with an upper crossbeam, the middle part of the bottom end of the upper crossbeam is connected with a primary tension mechanism, the bottom end of the test beam is symmetrically provided with a secondary tension mechanism, a test workpiece is provided between the secondary tension mechanism and the primary tension mechanism, and the front and rear sides of the test workpiece are symmetrical and connected with a three-stage tension rod in an array;
[0006] The height adjustment support includes a primary hydraulic cylinder and a top plate, wherein the primary hydraulic cylinder is connected to the upper end of the test beam, the middle of the bottom end of the top plate is connected to the output end of the primary hydraulic cylinder, and the upper end of the top plate is connected to the connecting column;
[0007] The primary tension mechanism includes a static tension column, a primary tension rod and a primary tension rope, wherein the static tension column is connected to the middle of the bottom end of the upper crossbeam, the primary tension rod is symmetrically connected to both sides of the static tension column, the primary tension rope is symmetrically arranged on both sides of the static tension column, and the primary tension rope is sleeved on a group of primary tension rods and tertiary tension rods;
[0008] The secondary pulling mechanism includes a lower crossbeam, a roller, a secondary hydraulic cylinder, a dynamic pulling column, a secondary pulling rod and a secondary pulling rope. The lower crossbeam is arranged at the lower end of the test beam, the rollers are symmetrically arranged on both sides of the bottom of the lower crossbeam front and back, the secondary hydraulic cylinder is embedded in the middle of the upper end of the lower crossbeam, the dynamic pulling column is connected to the top of the output end of the secondary hydraulic cylinder, the secondary pulling rods are symmetrically arranged on both sides of the dynamic pulling column front and back, and the secondary pulling rope is sleeved on a group of secondary pulling rods and tertiary pulling rods.
[0009] Preferably, a gap is left between the upper surface of the lower cross beam and the test beam.
[0010] Preferably, the lower end of the roller is flush with the bottom surface of the support column. After the device is assembled and before testing, the gap between the upper surface of the lower beam and the test beam, and the contact between the roller and the ground, make it easy for the operator to move the lower beam left and right at this time until the lower beam is moved to a suitable test position. When testing the test workpiece, the lower beam rises until the lower beam contacts the test beam, which plays a certain limiting role, improves the stability of the lower beam, and makes the lower beam more stably at the lower end of the test beam, preventing the lower beam from moving left and right and affecting the test accuracy.
[0011] Preferably, a vertical plate is symmetrically connected to the upper end of the lower cross beam, a gap is left between the vertical plate and the test beam, and a ball head is embedded in the middle of one side of the vertical plate close to the test beam;
[0012] The ball head is in contact with the test beam, and through the rolling function of the ball head in the vertical plate, the vertical plate will not affect the lifting and lowering and left and right translation of the lower beam while meeting the front and rear restrictions on the lower beam.
[0013] Preferably, an assembly plate is connected to the bottom of the opposite side of the front and rear groups of vertical plates, and the bottom surface of the assembly plate is in contact with the lower cross beam. The assembly plate is fixedly connected to the lower cross beam by positioning bolts, which facilitates the operator to disassemble and assemble the vertical plate and the lower cross beam.
[0014] Preferably, a primary limiting plate is provided on the outer side of the primary hydraulic cylinder, and four groups of the primary limiting plates are provided. The primary limiting plates are located at the four corners below the top plate, and the bottom ends of the primary limiting plates are connected to the test beam.
[0015] Preferably, secondary limiting plates are connected to the middle of the four sides below the top plate, and the primary limiting plates are located between four groups of secondary limiting plates. The primary limiting plates are slidably fitted with the secondary limiting plates to limit the outside of the primary hydraulic cylinder, thereby improving the stability of the top plate lifting and lowering.
[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: when the utility model is in use, the test workpiece is restricted to the lower end of the upper crossbeam through the first-level pulling mechanism in cooperation with the third-level pulling rod, and the test workpiece is further restricted at the lower right through the second-level pulling mechanism in cooperation with the third-level pulling rod, and the second-level hydraulic cylinder is started to lower the dynamic pulling column, thereby pulling the second-level pulling rope, and pulling the test workpiece through the third-level pulling rod, thereby realizing the tension test of the test workpiece, which is convenient and quick to operate and improves the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of a new type of combined tensile test platform.
[0018] Figure 2 This is a schematic diagram of the overall cross-section of a new type of combined tensile test platform.
[0019] Figure 3 This is a schematic diagram of the cross section of the test workpiece of a new combined tensile test platform.
[0020] Figure 4 Schematic diagram of a vertical plate of a new type of combined tensile test platform.
[0021] Figure 5 This is a schematic diagram of the first-stage hydraulic cylinder of a new type of combined tension test platform.
[0022] In the figure: 1. test beam; 2. secondary limiting plate; 3. support column; 4. connecting column; 5. upper crossbeam; 6. test workpiece; 7. third-level pull rod; 8. first-level hydraulic cylinder; 9. top plate; 10. static tension column; 11. first-level pull rod; 12. first-level pulling rope; 13. lower crossbeam; 14. roller; 15. second-level hydraulic cylinder; 16. dynamic tension column; 17. second-level pull rod; 18. second-level pulling rope; 19. vertical plate; 20. ball head; 21. assembly plate; 22. first-level limiting plate. DETAILED DESCRIPTION
[0023] Example 1
[0024] See also Figure 1-Figure 5 As shown, a novel combined tension test platform comprises a test beam 1, wherein the test beam 1 is symmetrically provided with two groups front and back, the bottom end of the test beam 1 is symmetrically connected with a support column 3, the upper end of the test beam 1 is symmetrically provided with a height adjustment support, the upper end of the height adjustment support is connected with a connecting column 4, the upper end of the connecting column 4 is connected with an upper cross beam 5, the middle part of the bottom end of the upper cross beam 5 is connected with a primary tension mechanism, the bottom end of the test beam 1 is symmetrically provided with a secondary tension mechanism, a test workpiece 6 is provided between the secondary tension mechanism and the primary tension mechanism, and the front and rear sides of the test workpiece 6 are symmetrical and connected with a third-level tension rod 7 in an array;
[0025] The height adjustment support includes a primary hydraulic cylinder 8 and a top plate 9, wherein the primary hydraulic cylinder 8 is connected to the upper end of the test beam 1, the middle of the bottom end of the top plate 9 is connected to the output end of the primary hydraulic cylinder 8, and the upper end of the top plate 9 is connected to the connecting column 4;
[0026] The primary tension mechanism includes a static tension column 10, a primary tension rod 11 and a primary tension rope 12. The static tension column 10 is connected to the middle of the bottom end of the upper crossbeam 5. The primary tension rod 11 is symmetrically connected to both sides of the static tension column 10. The primary tension rope 12 is symmetrically arranged on both sides of the static tension column 10. The primary tension rope 12 is sleeved on a group of the primary tension rod 11 and the tertiary tension rod 7.
[0027] The secondary tension mechanism includes a lower crossbeam 13, a roller 14, a secondary hydraulic cylinder 15, a dynamic tension column 16, a secondary pull rod 17 and a secondary pulling rope 18. The lower crossbeam 13 is arranged at the lower end of the test beam 1, and the rollers 14 are symmetrically arranged on both sides of the bottom of the lower crossbeam 13. The secondary hydraulic cylinder 15 is embedded in the middle of the upper end of the lower crossbeam 13. The dynamic tension column 16 is connected to the top of the output end of the secondary hydraulic cylinder 15. The secondary pull rod 17 is symmetrically arranged on both sides of the dynamic tension column 16. The secondary pulling rope 18 is set It is arranged on a set of secondary pull rods 17 and tertiary pull rods 7, and the lower cross beam 13 is moved to a suitable test position through the roller 14, and the secondary pull rope 18 is used to sleeve and connect the upper and lower corresponding secondary pull rods 17 and tertiary pull rods 7, and the secondary hydraulic cylinder 15 is turned on to make the lower cross beam 13 rise until the lower cross beam 13 contacts the test beam 1, so that the output end of the secondary hydraulic cylinder 15 continues to contract, and the test workpiece 6 is pulled by the secondary pull rope 18 to perform a tension test on the test workpiece 6.
[0028] refer to Figure 1 and Figure 2 As shown, there is a gap between the upper surface of the lower beam 13 and the test beam 1, and the lower end of the roller 14 is flush with the bottom surface of the support column 3. After the device is assembled and before testing, the gap between the upper surface of the lower beam 13 and the test beam 1, and the contact between the roller 14 and the ground, make it convenient for the operator to move the lower beam 13 left and right at this time until the lower beam 13 is moved to a suitable test position. When testing the test workpiece 6, the lower beam 13 rises until the lower beam 13 contacts the test beam 1, which plays a certain limiting role, improves the stability of the lower beam 13, and makes the lower beam 13 more stably at the lower end of the test beam 1, preventing the lower beam 13 from moving left and right and affecting the test accuracy.
[0029] refer to Figure 1 , Figure 2 and Figure 4As shown, a vertical plate 19 is symmetrically connected to the upper end of the lower cross beam 13, a gap is left between the vertical plate 19 and the test beam 1, and a ball head 20 is embedded in the middle of one side of the vertical plate 19 close to the test beam 1;
[0030] The ball head 20 is in contact with the test beam 1 , and through the rolling function of the ball head 20 in the vertical plate 19 , the vertical plate 19 can meet the front and rear restrictions on the lower cross beam 13 without affecting the lifting and lowering and left and right translation of the lower cross beam 13 .
[0031] refer to Figure 1 , Figure 2 and Figure 4 As shown, an assembly plate 21 is connected to the bottom of the opposite side of the front and rear sets of vertical plates 19, and the bottom surface of the assembly plate 21 is in contact with the lower cross beam 13. The assembly plate 21 is fixedly connected to the lower cross beam 13 by positioning bolts, which is convenient for the operator to disassemble and assemble the vertical plates 19 and the lower cross beam 13.
[0032] refer to Figure 1 , Figure 2 and Figure 5 As shown, a primary limiting plate 22 is provided on the outside of the primary hydraulic cylinder 8, and four groups of primary limiting plates 22 are provided. The primary limiting plates 22 are located at the four corners below the top plate 9, and the bottom end of the primary limiting plate 22 is connected to the test beam 1. Secondary limiting plates 2 are connected to the middle of the four sides below the top plate 9, and the primary limiting plates 22 are located between the four groups of secondary limiting plates 2. The primary limiting plates 22 are slidably fitted with the secondary limiting plates 2, which play a limiting role on the outside of the primary hydraulic cylinder 8 and improve the stability of the lifting and lowering of the top plate 9.
[0033] Working principle: Start the first-level hydraulic cylinder 8 to lift the upper beam 5 to a predetermined test height, determine two groups of three-level tie rods 7 symmetrical on the front side and two groups of three-level tie rods 7 symmetrical on the rear side of the test workpiece 6, and the four groups of three-level tie rods 7 correspond front to back, and use four groups of first-level pulling ropes 12 to sleeve and connect the upper and lower corresponding three-level tie rods 7 with the first-level tie rods 11 to complete the preliminary positioning of the test workpiece 6, and use the roller 14 to move the lower beam 13 to a suitable test position, and use the second-level pulling rope 18 to sleeve and connect the upper and lower corresponding second-level tie rods 17 with the third-level tie rods 7, and start the second-level hydraulic cylinder 15 to raise the lower beam 13 until the lower beam 13 contacts the test beam 1, so that the output end of the second-level hydraulic cylinder 15 continues to contract, and the test workpiece 6 is pulled by the second-level pulling rope 18 to perform a tension test on the test workpiece 6.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A novel combined tensile test platform, comprising a test beam (1), characterized in that: The test beam (1) is symmetrically provided with two groups front and back, the bottom end of the test beam (1) is symmetrically connected to a support column (3), the upper end of the test beam (1) is symmetrically provided with a height adjustment support, the upper end of the height adjustment support is connected to a connecting column (4), the upper end of the connecting column (4) is connected to an upper crossbeam (5), the middle part of the bottom end of the upper crossbeam (5) is connected to a primary tension mechanism, the bottom end of the test beam (1) is symmetrically provided with a secondary tension mechanism, a test workpiece (6) is provided between the secondary tension mechanism and the primary tension mechanism, and the front and rear sides of the test workpiece (6) are symmetrical and connected to a third-level tension rod (7) in an array; The height adjustment support comprises a primary hydraulic cylinder (8) and a top plate (9), wherein the primary hydraulic cylinder (8) is connected to the upper end of the test beam (1), the middle of the bottom end of the top plate (9) is connected to the output end of the primary hydraulic cylinder (8), and the upper end of the top plate (9) is connected to the connecting column (4); The primary pulling mechanism comprises a static pulling column (10), a primary pulling rod (11) and a primary pulling rope (12), wherein the static pulling column (10) is connected to the middle of the bottom end of the upper cross beam (5), the primary pulling rod (11) is symmetrically connected to both sides of the static pulling column (10) front and back, the primary pulling rope (12) is symmetrically arranged on both sides of the static pulling column (10) front and back, and the primary pulling rope (12) is sleeved on a group of primary pulling rods (11) and tertiary pulling rods (7); The secondary pulling mechanism comprises a lower cross beam (13), a roller (14), a secondary hydraulic cylinder (15), a dynamic pulling column (16), a secondary pulling rod (17) and a secondary pulling rope (18), wherein the lower cross beam (13) is arranged at the lower end of the test beam (1), the roller (14) is symmetrically arranged on both sides of the bottom of the lower cross beam (13) front and back, the secondary hydraulic cylinder (15) is embedded in the middle of the upper end of the lower cross beam (13), the dynamic pulling column (16) is connected to the top of the output end of the secondary hydraulic cylinder (15), the secondary pulling rod (17) is symmetrically arranged on both sides of the dynamic pulling column (16), and the secondary pulling rope (18) is sleeved on a group of secondary pulling rods (17) and tertiary pulling rods (7).
2. A novel combined tensile test platform according to claim 1, characterized in that: A gap is left between the upper surface of the lower cross beam (13) and the test beam (1).
3. The novel combined tensile test platform according to claim 1 is characterized in that: The lower end of the roller (14) is flush with the bottom surface of the support column (3).
4. The novel combined tensile test platform according to claim 1 is characterized in that: The upper end of the lower cross beam (13) is symmetrically connected to a vertical plate (19) at the front and rear ends, a gap is left between the vertical plate (19) and the test beam (1), and a ball head (20) is embedded in the middle of one side of the vertical plate (19) close to the test beam (1); The ball head (20) is in contact with the test beam (1).
5. The novel combined tensile test platform according to claim 4 is characterized in that: The bottom of the opposite side of the front and rear groups of vertical plates (19) is connected with an assembly plate (21), and the bottom surface of the assembly plate (21) is in contact with the lower cross beam (13). The assembly plate (21) is fixedly connected to the lower cross beam (13) by positioning bolts.
6. The novel combined tensile test platform according to claim 1 is characterized by: A primary limiting plate (22) is provided on the outer side of the primary hydraulic cylinder (8), and four groups of the primary limiting plates (22) are provided. The primary limiting plates (22) are located at four corners below the top plate (9), and the bottom ends of the primary limiting plates (22) are connected to the test beam (1).
7. The novel combined tensile test platform according to claim 6 is characterized by: Secondary limiting plates (2) are connected to the middle of the four sides below the top plate (9), and the primary limiting plates (22) are located between the four groups of secondary limiting plates (2), and the primary limiting plates (22) are slidably matched with the secondary limiting plates (2).