Radial load loading device of press
By designing a radial load loading device on the experimental press, the problem that conventional presses cannot perform bending tests was solved, realizing combined tension, compression, and bending tests, and improving the practicality and stability of the equipment.
Patent Information
- Application Number
- CN202423152793.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing conventional testing presses can only perform axial tension and compression tests, and cannot perform combined tests involving bending. Customized combined tension, bending and torsion testing machines are costly and have long development cycles.
A radial load loading device for a press was designed. By setting a loading mechanism on the main body of the experimental press, including components such as a rear sleeve, a front sleeve, a pressure sensor, an extension arm, and a support arm, radial force load can be applied, enabling combined tension, compression, and bending tests.
It enables combined tensile, compressive, and bending tests on conventional experimental presses, improving the practicality and stability of the equipment and reducing experimental errors.
Smart Images
Figure CN223883307U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of press experimental equipment, in particular to a radial load loading device of a press. BACKGROUND
[0002] An experimental press, also known as a pressure testing machine or a press testing machine, is a commonly used experimental equipment, mainly used for determining the compressive performance of materials or parts and their stability and durability under working conditions. Experimental presses can be divided into various types according to their purposes and structural characteristics, such as electro-hydraulic digital pressure testing machines, carton compression testing machines, plastic bending testing machines, and laboratory manual hydraulic hot presses. These presses usually have a double-column or four-column structure, a table-top or floor-mounted installation, and a manual or automatic operation mode. In addition, experimental presses are also equipped with pressure sensors, control systems, and data recording devices to ensure the accuracy and reliability of the experiments.
[0003] On a conventional experimental press, only axial tension and compression experiments can be completed, and combined experiments involving bending cannot be carried out. Customized tension-bending-torsion combined testing machines are high in cost and long in cycle.
[0004] Therefore, the present application provides a radial load loading device of a press to solve the above problems. CONTENT OF THE INVENTION
[0005] The present application provides a radial load loading device of a press, which aims to solve the problems of existing conventional experimental presses that can only complete axial tension and compression experiments and cannot carry out combined experiments involving bending, and the problems of customized tension-bending-torsion combined testing machines that are high in cost and long in cycle.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a radial load loading device of a press, comprising two front side columns arranged in opposition on an experimental press body and fixedly connected to the experimental press body for testing a deformation body on the experimental press body:
[0007] The loading mechanism comprises a rear sleeve and a front sleeve sleeved at one end of the rear sleeve, the rear sleeve is screwed inside the front sleeve, a load input end extending through the inside of the rear sleeve is fixedly installed at the end of the rear sleeve away from the front sleeve, a pressure sensor is inserted at the end of the front sleeve away from the rear sleeve, a load output end is fixedly installed at the end of the pressure sensor away from the front sleeve and is arranged against the outer wall of the deformed body, two symmetrical extension arms are fixedly installed on the outer wall of the front sleeve, a support arm extending at right angles and arranged towards the front side column is fixedly installed at the end of each extension arm away from the front sleeve, and a half ring sleeve is fixedly installed at the end of the support arm away from the extension arm. Thus, during the test, the rear sleeve and the front sleeve are placed horizontally on the experimental press body before work, the half ring sleeve is in contact with the two front side columns of the experimental press body, the load output end points to the workbench of the experimental press body and is close to the stress point of the deformed body, after work, the load input end is rotated clockwise, the rear sleeve and the front sleeve receive the displacement transmitted by the load input end and push the pressure sensor and the load output end forward until the deformed body is acted on, at the same time, the reaction force of the deformed body is transmitted to the front side column in turn through the pressure sensor, the rear sleeve and the front sleeve, the extension arm and the support arm, the radial load loading device finally reaches a force balance state and applies a stable radial force load to the deformed body, so that the combined tension, compression and bending test is carried out, and the practicability of the equipment is improved.
[0008] Preferably, in order to push the load output end, a rear push rod in T shape is fixedly installed at one end of the load input end extending into the rear sleeve, a front push rod extending through the front sleeve and into the front sleeve is fixedly installed at the end of the pressure sensor close to the front sleeve, a stop block is fixedly installed on the outer wall of the front push rod, and a spring is sleeved between the end head of the rear push rod and the stop block on the front push rod. Displacement and pressure fluctuation can be effectively eliminated.
[0009] Preferably, in order to rotate the load input end, a nut is fixedly installed at one end of the load input end outside the rear sleeve. It is convenient to rotate and adjust.
[0010] Preferably, in order to connect the front side column, the end of the half ring sleeve away from the support arm is provided in an open type, and the inner wall of the half ring sleeve is matched with the outer wall of the front side column. Displacement of the equipment is avoided.
[0011] Preferably, in order to fix the support arm, anti-rotation heads processed in a cutting surface are fixedly installed at both ends of the extension arm, a sleeve head is fixedly installed at the end of the support arm close to the extension arm, and a cutting groove matched with the anti-rotation head is formed in the sleeve head. It is convenient to fix and reduce experimental errors.
[0012] The loading device, before work, places the rear sleeve and the front sleeve horizontally on the experimental press body, and the half ring sleeve is in contact with the two front side columns of the experimental press body, the load output end points to the workbench of the experimental press body and is close to the stress action point of the deformed body, after work, the load input end is rotated in the clockwise direction, the rear sleeve and the front sleeve receive the displacement transmitted by the load input end, and push the pressure sensor and the load output end forward, until the action on the deformed body, at the same time, the reaction force of the deformed body is transmitted to the front side column in turn through the pressure sensor, the rear sleeve and the front sleeve, the extension arm and the supporting arm, the radial load loading device finally reaches the force balance state, and the stable radial force load is applied to the deformed body, so that the combined tension, compression and bending test is carried out, and the practicability of the equipment is improved.
[0013] The loading device, the notch slot on the sleeve head at the end of the supporting arm is aligned with the anti-rotation head on the extension arm and is clamped in, so that the supporting arm does not rotate when it is in contact with the front side column, the equipment is firm and stable, the fixing is convenient, and the experimental error is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the radial load loading device of the press;
[0015] Figure 2 It is a schematic diagram of the overall structure of the radial load loading device of the press;
[0016] Figure 3 It is a schematic diagram of the overall structure of the radial load loading device of the press;
[0017] Figure 4 It is Figure 2 It is an enlarged schematic diagram of A in the middle.
[0018] In the figure:
[0019] 1, experimental press body; 11, front side column; 2, deformed body; 3, loading mechanism; 31, rear sleeve; 32, front sleeve; 33, extension arm; 34, supporting arm; 35, half ring sleeve; 36, nut; 37, load input end; 38, front push rod; 39, pressure sensor; 310, load output end; 311, spring; 312, rear push rod; 313, stop block; 314, anti-rotation head; 315, sleeve head; 316, notch slot. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0021] Embodiment 1
[0022] The embodiment provides a radial load loading device of a press, as shown in the drawings, the loading device comprises a loading mechanism 3 arranged on an experimental press body 1 and abutting against two front side columns 11 fixedly connected on the experimental press body 1 for testing a deformation body 2 on the experimental press body 1. Figures 1-4
[0023] The loading mechanism 3 comprises a rear sleeve 31 and a front sleeve 32 sleeved at one end of the rear sleeve 31, the rear sleeve 31 is screwed in the inside of the front sleeve 32, a load input end 37 extending through and arranged in the inside of the rear sleeve 31 is fixedly installed on one end of the rear sleeve 31 away from the front sleeve 32, a pressure sensor 39 is inserted on one end of the front sleeve 32 away from the rear sleeve 31, a load output end 310 abutting against the outer wall of the deformation body 2 is fixedly installed on one end of the pressure sensor 39 away from the front sleeve 32, two extension arms 33 symmetrically arranged are fixedly installed on the outer side wall of the front sleeve 32, support arms 34 arranged at right angles and extending towards the front side columns 11 are fixedly installed on one end of the two extension arms 33 away from the front sleeve 32, and half ring sleeves 35 are fixedly installed on one end of the support arms 34 away from the extension arms 33.
[0024] In use, before work, the rear sleeve 31 and the front sleeve 32 are horizontally placed on the experimental press body 1, the half ring sleeves 35 abut against the two front side columns 11 of the experimental press body 1, the load output end 310 points to the workbench surface of the experimental press body 1 and is close to the stress action point of the deformation body 2, after work, the load input end 37 is rotated in the clockwise direction, the rear sleeve 31 and the front sleeve 32 receive the displacement transmitted by the load input end 37 and push the pressure sensor 39 and the load output end 310 forward until the deformation body 2 is acted on, at the same time, the reaction force of the deformation body 2 is sequentially transmitted to the front side columns 11 through the pressure sensor 39, the rear sleeve 31 and the front sleeve 32, the extension arms 33 and the support arms 34, the radial load loading device finally reaches a force balance state and applies a stable radial force load to the deformation body 2, so that the combined tension, compression and bending test is carried out and the practicability of the equipment is improved.
[0025] Specifically, the end of the load input end 37 extending in the rear sleeve 31 is fixedly installed with a rear push rod 312 in T shape, the end of the pressure sensor 39 close to the front sleeve 32 is fixedly installed with a front push rod 38 penetrating through the front sleeve 32 and extending in the front sleeve 32, the outer side wall of the front push rod 38 is fixedly installed with a stop block 313, and the spring 311 is sleeved on the front push rod 38 between the end of the rear push rod 312 and the stop block 313. In use, when the load input end 37 is rotated, the rear sleeve 31 is screwed in the front sleeve 32, the spring 311 is pushed by the rear push rod 312, the spring 311 pushes the stop block 313 under pressure, the stop block 313 pushes the pressure sensor 39 and the load output end 310 on the front push rod 38 to contact the deformed body 2, and displacement and pressure fluctuation can be effectively eliminated.
[0026] More specifically, the end of the load input end 37 outside the rear sleeve 31 is fixedly installed with a nut 36. In use, the load input end 37 is rotated by a wrench clamping the nut 36, and the rotation is adjusted conveniently.
[0027] Further, the end of the half-ring sleeve 35 away from the support arm 34 is provided in an open type, and the inner side wall of the half-ring sleeve 35 is matched with the outer side wall of the front side column 11. In use, the inner side wall curve of the half-ring sleeve 35 is aligned with the front side column 11 and clamped to be fixed on the front side column 11, so that the half-ring sleeve 35 is stable and reliable, and displacement of the equipment is avoided.
[0028] Still further, the two ends of the extension arm 33 are fixedly installed with anti-rotation heads 314 subjected to section processing, the end of the support arm 34 close to the extension arm 33 is fixedly installed with a sleeve head 315, and the sleeve head 315 is provided with a cutout groove 316 matched with the anti-rotation head 314. In use, the cutout groove 316 on the sleeve head 315 of the end of the support arm 34 is aligned with and clamped into the anti-rotation head 314 on the extension arm 33, so that the support arm 34 is prevented from rotating under pressure when abutting against the front side column 11, the equipment is firm and stable, fixed conveniently, and experimental error is reduced.
[0029] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical solution and concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A radial load loading device of a press, comprising a loading mechanism (3) arranged on an experimental press body (1) and abutting two front side columns (11) fixedly connected on the experimental press body (1) for testing a deformation body (2) on the experimental press body (1), characterized in that: the loading mechanism (3) comprises a rear sleeve (31) and a front sleeve (32) sleeved at one end of the rear sleeve (31), the rear sleeve (31) is screwed inside the front sleeve (32), a load input end (37) extending through the inside of the rear sleeve (31) is fixedly installed on one end of the rear sleeve (31) away from the front sleeve (32), a pressure sensor (39) is inserted on one end of the front sleeve (32) away from the rear sleeve (31), a load output end (310) abutting the outer wall of the deformation body (2) is fixedly installed on one end of the pressure sensor (39) away from the front sleeve (32), two symmetrically arranged extension arms (33) are fixedly installed on the outer side wall of the front sleeve (32), right-angled staggered support arms (34) extending towards the front side columns (11) are fixedly installed on one end of the two extension arms (33) away from the front sleeve (32), and half ring sleeves (35) are fixedly installed on one end of the support arms (34) away from the extension arms (33). A rear push rod (312) in the shape of T is fixedly installed on one end of the load input end (37) extending into the rear sleeve (31), a front push rod (38) extending through the front sleeve (32) and extending into the front sleeve (32) is fixedly installed on one end of the pressure sensor (39) close to the front sleeve (32), a stop block (313) is fixedly installed on the outer side wall of the front push rod (38), and a spring (311) is sleeved between the end head of the rear push rod (312) and the stop block (313) on the front push rod (38).
2. Radial load loading device of a press according to claim 1, characterized in that: A nut (36) is fixedly installed on one end of the load input end (37) outside the rear sleeve (31).
3. Radial load loading device of a press according to claim 1, characterized in that: One end of the half ring sleeve (35) away from the support arm (34) is provided in an open manner, and the inner side wall of the half ring sleeve (35) is matched with the outer side wall of the front side column (11).
4. The radial load loading device of a press according to claim 1, characterized in that: Anti-rotation heads (314) processed as cutting surfaces are fixedly installed on both ends of the extension arm (33), and sleeve heads (315) are fixedly installed on one end of the support arm (34) close to the extension arm (33), and a cutting groove (316) matched with the anti-rotation head (314) is formed in the sleeve head (315).
5. The radial load loading device of a press according to claim 1, characterized in that: