Loading device for bending test
By introducing angle-adjusting clamping and distance-adjusting mechanisms into the bending test loading device, flexible clamping of specimens of different sizes and shapes can be achieved, solving the problem of insufficient applicability of existing devices and improving the flexibility and adaptability of the test.
Patent Information
- Application Number
- CN202422776444.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-14
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-11-14
AI Technical Summary
Existing bending test loading devices cannot adjust the clamping angle and distance according to specimens of different sizes and shapes, resulting in insufficient test flexibility and applicability.
An angle-adjusting clamping mechanism and a distance-adjusting mechanism are adopted. The clamping distance is adjusted by a motor-driven bidirectional screw, and the clamping angle is adjusted by a gear and rack system, so as to achieve adaptive clamping for specimens of different sizes and shapes.
It improves the flexibility and applicability of the bending test apparatus, enabling it to adapt to specimens of different sizes and shapes, and enhances the range of test applicability.
Smart Images
Figure CN223756511U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a bending test technical field, concretely is a loading device for bending test. BACKGROUND
[0002] The loading device for bending test has wide application background in material science, mechanical engineering and civil engineering and many other fields, and in the field of material science, the loading device for bending test is used for evaluating the bending strength, toughness, plasticity and other mechanical properties of materials. By simulating the bending stress condition of materials in actual application, the mechanical properties and failure mechanism of materials can be deeply understood, and important basis is provided for the research and application of materials.
[0003] In the prior art, the device adjusts the distance between the two clamping mechanisms through the telescopic cylinder, and quickly clamps the loading piece to be tested through the clamping mechanism, so that the loading plate driven by the hydraulic cylinder at the top moves downward, and the bending experiment of the loading key can be quickly completed. However, in actual use, when the device fixes the loading piece through the clamping mechanism, the clamping mechanism is fixed on the output end of the telescopic cylinder, and the appropriate clamping angle cannot be adjusted according to the test pieces of different sizes and shapes, thereby reducing the flexibility and applicability of the test. Therefore, it is necessary to improve the loading device for bending test. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a loading device for bending test to solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a loading device for bending test, comprising a connecting seat, the top of the connecting seat is fixedly connected with a connecting frame, the right side inner wall of the connecting frame is fixedly connected with a telescopic cylinder, the output end of the telescopic cylinder is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a loading plate, the inside of the connecting seat is provided with a distance adjusting mechanism, and the top of the distance adjusting mechanism is provided with an angle adjusting clamping mechanism.
[0006] The angle adjusting clamping mechanism comprises an angle adjusting assembly and a clamping assembly, and the clamping assembly is arranged at the top of the angle adjusting assembly.
[0007] The distance adjusting mechanism comprises a motor, the motor is fixedly connected to the right side of the connecting seat, the output end of the motor is fixedly connected with a bidirectional screw rod, the outer thread of the bidirectional screw rod is connected with a threaded block, and the inside of the connecting seat is fixedly connected with a sliding column.
[0008] Preferably, holes are formed in the corresponding positions of the sliding column and the threaded block, and the threaded block is slidingly connected to the outside of the sliding column, so as to limit the left and right sliding of the threaded block.
[0009] Preferably, the bidirectional screw is provided with a hole at the corresponding position of the connecting seat, and the bidirectional screw is rotatably connected in the hole, so as to facilitate stable rotation of the bidirectional screw.
[0010] Preferably, the angle adjusting assembly comprises a connecting frame fixedly connected to the top of the threaded block, a handle rotatably connected to the top of the connecting frame, a first gear rotatably connected to the bottom of the handle, a second gear meshed with the right side of the first gear, an adjusting disc fixedly connected to the bottom of the second gear, a rotating disc rotatably connected to the top of the connecting frame, a limiting column fixedly connected to the bottom of the rotating disc, and a limiting rod inserted into the connecting frame, so as to facilitate adjustment of the appropriate clamping angle according to the required clamping angle of the loading piece.
[0011] Preferably, the limiting column is in abutment with the outside of the adjusting disc, the limiting rod is provided with a hole at the corresponding position of the first gear, the limiting rod is inserted into the hole, and the second gear is rotatably connected to the top of the connecting frame, so as to facilitate stable rotation of the rotating disc.
[0012] Preferably, the clamping assembly comprises a fixed frame fixedly connected to the top of the rotating disc, a worm rotatably connected to the inside of the fixed frame, a worm gear meshed with the top of the worm, a limiting disc fixedly connected to the right side of the worm gear, an adjusting column movably connected to the inside of the limiting disc, a sliding plate fixedly connected to the outside of the adjusting column, a clamping plate fixedly connected to the outside of the sliding plate, and a rubber clamping pad fixedly connected to the outside of the clamping plate, so as to facilitate quick clamping of the loading piece to be tested.
[0013] Preferably, the worm gear is rotatably connected to the inside of the fixed frame, the sliding plate is slidably connected to the inside of the fixed frame, the adjusting column is provided with an inclined groove at the corresponding position of the limiting disc, and the adjusting column is movably connected in the inclined groove, so as to facilitate stable rotation of the limiting disc and relative movement of the sliding plate.
[0014] Compared with the prior art, the loading device for the bending test has the following beneficial effects:
[0015] 1. The loading device for the bending test is provided with the angle adjusting and clamping mechanism, the required angle of the loading piece is adjusted according to the shape of the loading piece, the limiting rod is manually pulled upward when the first gear rotates one circle to adjust a certain angle, and the required clamping angle of the loading piece is quickly adjusted through the cycle and repetition, the limiting rod is inserted into the hole corresponding to the first gear after the adjustment is completed, the quick fixing is completed, the device can adapt to test pieces of different sizes and shapes, and the flexibility and applicability of the test are improved.
[0016] 2. The loading device for the bending test, through the setting of the distance adjusting mechanism, the motor is started, the bidirectional screw rod is rotated by the motor, and then the threaded block is moved along the slide column guide by the bidirectional screw rod, so that the appropriate clamping distance can be adjusted according to the length of the loading piece, and then the device can adapt to loading pieces of different lengths, and the overall adaptation range of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0018] Figure 1 It is an appearance structure schematic diagram of the present application;
[0019] Figure 2 It is an appearance structure schematic diagram of the angle adjusting and clamping mechanism of the present application;
[0020] Figure 3 It is an unfolded structure schematic diagram of the angle adjusting assembly of the present application;
[0021] Figure 4 It is an unfolded structure schematic diagram of the clamping assembly of the present application;
[0022] Figure 5 It is an appearance structure schematic diagram of the distance adjusting mechanism of the present application.
[0023] In the figure: 1, connecting seat; 2, connecting frame; 3, telescopic cylinder; 4, hydraulic cylinder; 5, loading plate; 6, angle adjusting and clamping mechanism; 7, distance adjusting mechanism; 61, angle adjusting assembly; 62, clamping assembly; 611, connecting frame; 612, handle; 613, No. 1 gear; 614, No. 2 gear; 615, adjusting disc; 616, rotating disc; 617, limiting column; 618, limiting rod; 621, fixed frame; 622, worm; 623, worm gear; 624, limiting disc; 625, adjusting column; 626, slide plate; 627, clamping plate; 628, rubber clamping pad; 71, motor; 72, bidirectional screw rod; 73, threaded block; 74, slide column. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all 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.
[0025] In the utility model, unless another explicit provision and limitation, the terms "mounting", "connecting", "connecting", "fixing" and the like terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrated; can be mechanical connection, also can be electrical connection; can be directly connected, also can be indirectly connected through the intermediate medium, can be two element internal communication or two element interaction relationship. For ordinary skilled in the art, the above terms can be understood according to the specific meaning in the utility model.
[0026] Embodiment one:
[0027] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a loading device for bending test, including connecting seat 1, connecting seat 1 top is fixedly connected with connecting frame 2, connecting frame 2 right side inner wall is fixedly connected with telescopic cylinder 3, telescopic cylinder 3 output end is fixedly connected with hydraulic cylinder 4, hydraulic cylinder 4 output end is fixedly connected with loading plate 5, connecting seat 1 inside is provided with distance adjusting mechanism 7, and distance adjusting mechanism 7 top is provided with angle adjusting clamping mechanism 6.
[0028] Angle adjusting clamping mechanism 6 includes angle adjusting assembly 61 and clamping assembly 62, and clamping assembly 62 is arranged at the top of angle adjusting assembly 61.
[0029] Further, angle adjusting assembly 61 includes connecting frame 611, connecting frame 611 is fixedly connected at the top of threaded block 73, connecting frame 611 top is rotatably connected with handle 612, handle 612 bottom is rotatably connected with No. gear 613, No. gear 613 right side is engaged with No. 2 gear 614, No. 2 gear 614 bottom is fixedly connected with adjusting disc 615, connecting frame 611 top inside is rotatably connected with rotating disc 616, rotating disc 616 bottom is fixedly connected with limit column 617, connecting frame 611 inside is inserted with limit rod 618, to adjust the appropriate clamping angle according to the clamping angle required by loading piece.
[0030] Further, limit column 617 outside and adjusting disc 615 outside abut, and limit rod 618 is provided with hole at corresponding position with No. gear 613, and limit rod 618 is inserted in the hole, and No. 2 gear 614 is rotatably connected at the top inside of connecting frame 611, to drive rotating disc 616 to rotate stably.
[0031] Further, the clamping assembly 62 comprises a fixed frame 621 fixedly connected on the top of the rotating disc 616, a worm 622 rotatably connected in the fixed frame 621, a worm wheel 623 engaged on the top of the worm 622, a limiting disc 624 fixedly connected on the right side of the worm wheel 623, an adjusting column 625 movably connected in the limiting disc 624, a sliding plate 626 fixedly connected on the outside of the adjusting column 625, a clamping plate 627 fixedly connected on the outside of the sliding plate 626, and a rubber clamping pad 628 fixedly connected on the outside of the clamping plate 627, so as to facilitate quick clamping of the loading piece to be tested.
[0032] Further, the worm wheel 623 is rotatably connected in the fixed frame 621, the sliding plate 626 is slidably connected in the fixed frame 621, and the adjusting column 625 is movably connected in the inclined slot at the corresponding position of the limiting disc 624, so as to facilitate stable rotation of the limiting disc 624 and relative movement of the sliding plate 626.
[0033] Embodiment two:
[0034] Please refer to Figure 5 And in combination with embodiment one, it is further obtained that the distance adjusting mechanism 7 comprises a motor 71 fixedly connected on the right side of the connecting seat 1, a bidirectional screw rod 72 fixedly connected on the output end of the motor 71, a threaded block 73 threadedly connected on the outside of the bidirectional screw rod 72, and a sliding column 74 fixedly connected in the connecting seat 1, so as to facilitate adjustment of the appropriate clamping distance according to the length of the loading piece.
[0035] Further, the sliding column 74 is provided with a hole at the corresponding position of the threaded block 73, and the threaded block 73 is slidably connected on the outside of the sliding column 74, so as to facilitate limitation of left and right sliding of the threaded block 73.
[0036] Further, the bidirectional screw rod 72 is provided with a hole at the corresponding position of the connecting seat 1, and the bidirectional screw rod 72 is rotatably connected in the hole, so as to facilitate stable rotation of the bidirectional screw rod 72.
[0037] In actual operation, when the device is used, first, through the distance adjusting mechanism 7, the motor 71 is started, the bidirectional screw rod 72 is driven to rotate by the motor 71, the threaded block 73 is moved along the guide column 74 and guided by the bidirectional screw rod 72, so that the clamping distance can be adjusted according to the length of the loading piece, then through the angle adjusting clamping mechanism 6, according to the required angle of the loading piece shape, the limiting rod 618 is manually pulled upwards, so that the limiting rod 618 is completely separated from the first gear 613, then the handle 612 is manually rotated, the first gear 613 is driven to rotate by the handle 612, the second gear 614 is driven to rotate by the first gear 613, the adjusting disc 615 is driven to rotate by the second gear 614, the convex part of the adjusting disc 615 is in contact with the limiting column 617 during the rotation of the adjusting disc 615, so that the rotating disc 616 connected with the limiting column 617 is rotated around the connecting point of the connecting frame 611 as the axis, and the clamping assembly 62 is driven to rotate synchronously, and when the first gear 613 rotates one circle, the angle is adjusted, so that the cycle is repeated, and the required clamping angle of the loading piece can be quickly adjusted, when the adjustment is completed, the limiting rod 618 is inserted into the corresponding hole of the first gear 613, so that the quick fixing is completed, then the worm 622 is rotated, the worm wheel 623 is driven to rotate by the worm 622, the limiting disc 624 is driven to rotate by the worm wheel 623, the adjusting column 625 is moved along the groove during the rotation of the limiting disc 624, the sliding plate 626 is relatively moved inward, so that the clamping plate 627 is synchronously driven to gradually approach the loading piece, and the rubber clamping pad 628 can quickly clamp the loading piece to be tested.
[0038] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... " does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
Claims
1. A loading device for bending tests, comprising a connection seat (1), characterized in that: The connecting seat (1) top fixedly connected with connecting frame (2), the connecting frame (2) right side inner wall fixedly connected with telescopic pneumatic cylinder (3), the telescopic pneumatic cylinder (3) output end fixedly connected with hydraulic cylinder (4), the hydraulic cylinder (4) output end fixedly connected with loading plate (5), the connecting seat (1) inside is provided with distance adjusting mechanism (7), the distance adjusting mechanism (7) top is provided with angle adjusting clamping mechanism (6); The angle adjusting clamping mechanism (6) includes angle adjusting assembly (61) and clamping assembly (62), and the clamping assembly (62) is arranged at the top of the angle adjusting assembly (61). The distance adjusting mechanism (7) includes motor (71), the motor (71) is fixedly connected on the right side of the connecting seat (1), the motor (71) output end fixedly connected with bidirectional screw rod (72), the bidirectional screw rod (72) outside is connected with threaded block (73), the connecting seat (1) inside is fixedly connected with slide column (74).
2. The loading device for a bending test according to claim 1, characterized by: The slide column (74) and threaded block (73) corresponding position is provided with hole, and the threaded block (73) is connected with the outside of the slide column (74).
3. The loading device for a bending test according to claim 1, characterized in that: The bidirectional screw rod (72) and connecting seat (1) corresponding position is provided with hole, and the bidirectional screw rod (72) is rotatably connected in the hole.
4. The loading device for a bending test according to claim 1, characterized by: The angle adjusting assembly (61) includes connecting frame (611), the connecting frame (611) is fixedly connected at the top of the threaded block (73), the connecting frame (611) top rotatably connected with handle (612), the handle (612) bottom rotatably connected with a gear (613), the gear (613) right side is engaged with a second gear (614), the second gear (614) bottom fixedly connected with adjusting disc (615), the connecting frame (611) top inside rotatably connected with rotating disc (616), the rotating disc (616) bottom fixedly connected with limit post (617), the connecting frame (611) inside is inserted into limit rod (618).
5. The loading device for a bending test according to claim 4, characterized in that: The limit post (617) outside and adjusting disc (615) outside abut, and the limit rod (618) and a gear (613) corresponding position is provided with hole, and the limit rod (618) is inserted into the hole, and the second gear (614) is rotatably connected at the top of the connecting frame (611) inside.
6. The loading device for a bending test according to claim 4, characterized in that: The clamping assembly (62) includes fixed frame (621), the fixed frame (621) is fixedly connected at the top of the rotating disc (616), the fixed frame (621) inside rotatably connected with worm (622), the worm (622) top is engaged with worm wheel (623), the worm wheel (623) right side fixedly connected with limit disc (624), the limit disc (624) inside movably connected with adjusting column (625), the adjusting column (625) outside fixedly connected with slide plate (626), the slide plate (626) outside fixedly connected with clamping plate (627), the clamping plate (627) outside fixedly connected with rubber clamp pad (628).
7. The loading device for a bending test according to claim 6, characterized in that: The worm wheel (623) is rotationally connected in the fixed frame (621), the sliding plate (626) is slidingly connected in the fixed frame (621), and the adjusting column (625) is provided with an inclined groove at the corresponding position of the limiting disc (624), and the adjusting column (625) is movably connected in the inclined groove.