A clamping device for bone ligament peel strength testing

Abstract

The utility model discloses a kind of clamping devices for bone ligament peeling strength test, it includes workbench (1), angle adjusting device (2) installed on the workbench (1), spacing adjusting device (3) installed on the angle adjusting device (2), sample fixing frame (4) installed on the spacing adjusting device (3).The technical problem to be solved by the utility model is to provide a clamping device for bone ligament peeling strength test with simple structure, low cost, good reliability, suitable for different lengths, sizes, different angles, different directions.

Description

TECHNICAL FIELD

[0001] The utility model relates to stripping strength test technical field, especially in bone ligament stripping strength test with clamping device. BACKGROUND

[0002] Stripping strength refers to the maximum force required when the materials pasted together are peeled from the contact surface with unit width.

[0003] At present, the existing stripping strength tester generally tests the hard material pasted together with another soft material through tension, but there is no stripping strength tester for bone ligament sample, and there is no clamping fixture or device for bone ligament stripping strength test.

[0004] Therefore, a clamping device for bone ligament stripping strength test is needed to solve the problems in the prior art. UTILITY MODEL CONTENT

[0005] The utility model provides a simple structure, low in cost, good reliability, applicable to bone ligament stripping strength test clamping device of different length, size, different angle, different orientation.

[0006] In order to solve the above technical problem, the utility model provides a bone ligament stripping strength test clamping device, which comprises a workbench, an angle adjusting device installed on the workbench, a spacing adjusting device installed on the angle adjusting device and a sample fixing frame installed on the spacing adjusting device.

[0007] The workbench is a two-dimensional workbench.

[0008] The angle adjusting device comprises a sliding platform installed on the workbench and an angle adjusting mechanism installed on the sliding platform.

[0009] The angle adjusting mechanism comprises a bottom plate installed on the sliding platform, a panel rotationally connected with the bottom plate, an adjusting plate installed on the bottom plate, the adjusting plate is provided with an angle adjusting through slot, and an adjusting screw is screwedly connected with the panel through the angle adjusting through slot.

[0010] The number of the adjusting plates is two, the number of the angle adjusting through slots is two, and the number of the adjusting screws is two.

[0011] The further improvement of the utility model is that the spacing adjusting device comprises a guide rail mounting plate mounted on the panel, a linear guide rail mounted on the guide rail mounting plate, a sliding block linearly slidingly connected with the linear guide rail, a seat plate mounted on the sliding block and a positioning mechanism mounted on the seat plate.

[0012] The further improvement of the utility model is that the number of the sliding block, the seat plate and the positioning mechanism is two.

[0013] The further improvement of the utility model is that the positioning mechanism comprises a positioning plate mounted on the seat plate, the positioning plate is provided with a hollow groove in the middle, and positioning clamping jaws are arranged on the two sides of the hollow groove, and locking screws are threadedly connected with the positioning clamping jaws.

[0014] The further improvement of the utility model is that the spacing adjusting device further comprises a baffle mounted on the two sides of the guide rail mounting plate.

[0015] The further improvement of the utility model is that the sample fixing frame comprises a bearing seat mounted on the seat plate, a bearing is mounted in the bearing seat, a sleeve is fixedly connected with the bearing, and a fixing screw is mounted on the sleeve.

[0016] Compared with the prior art, the utility model has the beneficial effects of:

[0017] 1. The utility model discloses a workbench, an angle adjusting device, a spacing adjusting device, a sample fixing frame and the like, and the number of parts is small, so that the structure is simple and the cost is low.

[0018] 2. The utility model adopts a mechanical connection mode, so that the reliability is good.

[0019] 3. The utility model discloses an angle adjusting device, which can be suitable for different angle tests of sample products.

[0020] 4. The utility model discloses a spacing adjusting device, which can be suitable for different length tests of sample products.

[0021] 5. The utility model discloses a sleeve, the sample product is placed in the sleeve, and then a fixing screw is used for fixing, so that different size sample products can be tested.

[0022] 6. The sleeve of the utility model can rotate by 360 degrees, so that different direction sample products can be tested. DRAWINGS

[0023] Figure 1 is a three-dimensional structure schematic view of the utility model;

[0024] Figure 2 is Figure 1 a three-dimensional development structure schematic view of the utility model;

[0025] Figure 3 It is the perspective structure schematic diagram of angle adjusting device of the utility model;

[0026] Figure 4 It is Figure 3 The perspective development structure schematic diagram of;

[0027] Figure 5 It is the perspective structure schematic diagram of positioning mechanism of the utility model;

[0028] Figure 6 It is Figure 5 The perspective development structure schematic diagram of;

[0029] The names of various components in the figure are as follows:

[0030] 1 - workbench;

[0031] 2 - angle adjusting device;

[0032] 21 - sliding platform;

[0033] 211 - positioning screw rod;

[0034] 22 - angle adjusting mechanism;

[0035] 221 - bottom plate;

[0036] 222 - panel;

[0037] 223 - adjusting plate;

[0038] 2231 - angle adjusting through slot;

[0039] 224 - adjusting screw;

[0040] 225 - angle indicating needle;

[0041] 3 - spacing adjusting device;

[0042] 31 - guide rail mounting plate;

[0043] 32 - linear guide rail;

[0044] 33 - sliding block;

[0045] 34 - seat plate;

[0046] 35 - positioning mechanism;

[0047] 351 - positioning plate;

[0048] 352 - empty slot;

[0049] 353 - positioning clamping jaw;

[0050] 354 - locking screw;

[0051] 36 - baffle;

[0052] 4 - sample holder;

[0053] 41 - bearing seat;

[0054] 42 - bearing;

[0055] 43 - sleeve;

[0056] 44 - fixing screw;

[0057] 45 - sleeve locking screw;

[0058] 5 - mounting shaft;

[0059] 6 - sample. DETAILED DESCRIPTION

[0060] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0061] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0062] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0063] In addition, the terms "mounting", "providing", "provided with", "connecting", "connected" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0064] In addition, the terms "first", "second", and the like are used merely to distinguish different devices, elements or components (the specific kind and configuration of which can be the same or different), and are not intended to imply or suggest relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, the meaning of "a plurality" is two or more.

[0065] It should also be understood that the terms used in the present application are merely for the purpose of describing specific embodiments and are not intended to limit the present application. As used in the present application and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms unless the context clearly indicates otherwise.

[0066] It should be further understood that the term "and / or" used in the present application and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.

[0067] As shown in Figures 1-6 The present application provides a clamping device for bone ligament stripping strength test, which comprises a workbench 1, an angle adjusting device 2, a spacing adjusting device 3 and a sample fixing frame 4.

[0068] Specifically, as shown in Figures 1-6 The workbench 1 is a two-dimensional workbench. Adjustment in two directions of X-axis (left and right) and Y-axis (front and back) can be realized. An installation shaft 5 is arranged below the workbench 1, which is used for fixed installation connection with a test device.

[0069] Specifically, as shown in Figures 1-6 The angle adjusting device 2 comprises a sliding platform 21 fixedly installed on the workbench 1 and an angle adjusting mechanism 22 fixedly installed on the sliding platform 21. The sliding platform 21 can realize horizontal sliding. The sliding platform 21 is a prior art and will not be described in detail here. The sliding platform 21 is provided with a positioning screw 211 for fixing the sliding platform 21.

[0070] Specifically, as shown in Figures 1-6As shown in the figure, the angle adjusting mechanism 22 comprises a bottom plate 221 fixedly installed on the sliding platform 21, a face plate 222 rotationally connected with the bottom plate 221, an adjusting plate 223 fixedly installed on the bottom plate 221, the adjusting plate 223 being provided with an angle adjusting through slot 2231, and an adjusting screw 224 being threadedly fixedly connected with the face plate 222 through the angle adjusting through slot 2231. The adjusting plate 223 is provided with an angle scale, and the face plate 222 is provided with an angle indicating needle 225. The range of the angle scale is 0-90 degrees. The number of the adjusting plate 223, the angle adjusting through slot 2231 and the adjusting screw 224 is 2.

[0071] Specifically, as shown in the figure, Figures 1-6 The distance adjusting device 3 comprises a guide rail installation plate 31 fixedly installed on the face plate 222, a linear guide rail 32 fixedly installed on the guide rail installation plate 31, a sliding block 33 linearly slidably connected with the linear guide rail 32, a seat plate 34 fixedly installed on the sliding block 33, and a positioning mechanism 35 fixedly installed on the seat plate 34. The number of the sliding block 33, the seat plate 34 and the positioning mechanism 35 is 2.

[0072] Specifically, as shown in the figure, Figures 1-6 The positioning mechanism 35 comprises a positioning plate 351 fixedly installed on the seat plate 34, an empty groove 352 in the middle of the positioning plate 351, positioning clamping jaws 353 provided on both sides of the empty groove 352, and locking screws 354 threadedly connected with the positioning clamping jaws 353. The distance adjusting device 3 further comprises baffle plates 36 installed on both sides of the guide rail installation plate 31. The number of the baffle plates 36 is 2.

[0073] Specifically, as shown in the figure, Figures 1-6 The sample fixing frame 4 comprises a bearing seat 41 fixedly installed on the seat plate 34, bearings 42 fixedly installed in the bearing seat 41, sleeves 43 fixedly connected with the bearings 42, and fixing screws 44 threadedly connected with the sleeves 43. The number of the bearing seat 41 and the bearings 42 is 2. The number of the fixing screws 44 is 4-12, and specifically, the number of the fixing screws 44 is 8. The sleeves 43 are used for clamping sample products. The sample products are placed in the sleeves 43, and then locked and fixed by the fixing screws 44. The sample fixing frame 4 further comprises sleeve locking screws 45 used for locking the sleeves.

[0074] The utility model mainly is used in the test ligament between the bone bonding strength or adhesion, stripping can pass through different angles, such as 0 degree, 15 degrees, 30 degrees, 45 degrees, 60 degrees, 75 degrees, 90 degrees etc. different angle stripping, measure its stripping force size. Mainly applied to medical, operation, understand its force size, strength when artificial ligament implantation, can it reach its requirement. The utility model is simulated test with other animal bone ligament, not with real human bone ligament.

[0075] Working principle: the sample 6 is placed in the sleeve 43, the distance between the two sliders 33 is adjusted, the sample 6 is placed in the two sleeves 43, the locking screw 44 is tightened to lock the sample 6, the locking screw 354 is tightened to lock the linear guide rail 32, the sleeve 43 at one end of the angle adjusting mechanism 22 is rotated, the panel 222 is rotated to the angle to be tested, such as 30 degrees, then the adjusting screw 224 is locked to adjust the plate 223, finally the ligament on the sample 6 is clamped with the testing equipment, so that the test can be carried out.

[0076] The utility model has the advantages of:

[0077] 1. The utility model discloses a workbench, angle adjusting device, spacing adjusting device, sample fixing frame etc., and the structure is simple, and the cost is low because the spare parts are not many;

[0078] 2. The utility model adopts mechanical connection mode, so the reliability is good;

[0079] 3. The utility model sets up angle adjusting device, can be applicable to sample different angle test;

[0080] 4. The utility model sets up spacing adjusting device, can be applicable to sample different length test;

[0081] 5. The utility model sets up sleeve, and the sample is placed in the sleeve, and then is fixed with the fixed screw, and can be applicable to different size sample test;

[0082] 6. The sleeve of the utility model can rotate 360 degrees, and can be applicable to different direction sample test.

[0083] The above content is the further detailed description of the utility model in combination with the preferred embodiment, and the specific implementation of the utility model can not be limited to these descriptions. For ordinary skilled person in the art to which the utility model belongs, on the premise of not departing from the concept of the utility model, a plurality of simple deductions or substitutions can be made, and all should be regarded as belonging to the protection scope of the utility model.

Claims

1. A clamping device for testing the peel strength of bone and ligaments, characterized in that: It includes a worktable (1), an angle adjustment device (2) mounted on the worktable (1), a spacing adjustment device (3) mounted on the angle adjustment device (2), and a sample holder (4) mounted on the spacing adjustment device (3); The angle adjustment device (2) includes a sliding platform (21) mounted on the worktable (1) and an angle adjustment mechanism (22) mounted on the sliding platform (21); The angle adjustment mechanism (22) includes a base plate (221) mounted on the sliding platform (21), a panel (222) rotatably connected to the base plate (221), and an adjustment plate (223) mounted on the base plate (221). The adjustment plate (223) is provided with an angle adjustment slot (2231), and an adjustment screw (224) passes through the angle adjustment slot (2231) and is threadedly connected to the panel (222). The spacing adjustment device (3) includes a guide rail mounting plate (31) mounted on the panel (222), a linear guide rail (32) mounted on the guide rail mounting plate (31), a slider (33) linearly slidably connected to the linear guide rail (32), a seat plate (34) mounted on the slider (33), and a positioning mechanism (35) mounted on the seat plate (34).

2. The clamping device for testing the peel strength of bone and ligaments according to claim 1, characterized in that: The worktable (1) is a two-dimensional worktable.

3. The clamping device for testing the peel strength of bone and ligaments according to claim 1, characterized in that: The number of adjustment plates (223) is 2, the number of angle adjustment slots (2231) is 2, and the number of adjustment screws (224) is 2.

4. The clamping device for testing the peel strength of bone and ligaments according to claim 1, characterized in that: The number of sliders (33), base plates (34), and positioning mechanisms (35) are all two.

5. The clamping device for testing the peel strength of bone and ligaments according to claim 1, characterized in that: The positioning mechanism (35) includes a positioning plate (351) mounted on the base plate (34), the positioning plate (351) has a hollow groove (352) in the middle, and positioning claws (353) are provided on both sides of the hollow groove (352), and locking screws (354) are threadedly connected to the positioning claws (353).

6. The clamping device for testing the peel strength of bone and ligaments according to claim 1, characterized in that: The spacing adjustment device (3) also includes baffles (36) installed on both sides of the guide rail mounting plate (31).

7. The clamping device for testing the peel strength of bone and ligaments according to claim 1, characterized in that: The sample holder (4) includes a bearing seat (41) mounted on the base plate (34), a bearing (42) installed inside the bearing seat (41), a sleeve (43) fixedly connected to the bearing (42), and a fixing screw (44) installed on the sleeve (43).

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