Test fixture for mechanical parts
By designing a hydraulically driven fixed plate and an infrared level positioning mechanism, the problem that existing test fixtures cannot adapt to parts of different sizes is solved, enabling flexible clamping and accurate positioning measurement of parts, thus improving the applicability and accuracy of the test.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-24
AI Technical Summary
Existing test fixtures for mechanical parts cannot be used for both large and small parts at the same time, and can only be fixed by clamping and cannot be used to position the parts that need to be measured.
A test fixture was designed, comprising small and large fixing plates driven by hydraulic cylinders for clamping parts of different sizes and fixing them by hydraulic cylinders and limiting mechanisms. Positioning and measurement are performed by combining an infrared level and an adjustment mechanism, and auxiliary measurement is performed by using a bendable metal rod and a measuring ruler.
It enables flexible clamping and fixing of both large and small parts, accurately positions the measurement area, and improves the accuracy and flexibility of testing.
Smart Images
Figure CN224027621U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test fixture technical field, concretely relates to a test fixture for mechanical parts. BACKGROUND
[0002] The test fixture for mechanical parts is an auxiliary tool for detecting and testing the performance parameters of mechanical parts, which fixes the measured object and provides necessary interface and environment to ensure the accuracy and reliability of the test process, and is used for size, shape and strength test of mechanical parts.
[0003] The existing test fixture for mechanical parts can clamp and fix the mechanical parts, and is convenient for operators to test with tools, but cannot be used for large or small parts at the same time. The clamping part is too large to block the area of small parts, and the clamping part is too small to stably fix large parts, which affects the test work. The test fixture can only be assisted by clamping and fixing, and cannot position the parts to be measured. Therefore, the problem that the existing test fixture for mechanical parts cannot be used for large or small parts at the same time, and can only be assisted by clamping and fixing, and cannot position the parts to be measured needs to be solved. UTILITY MODEL CONTENT
[0004] In view of the above problems of the existing test fixture for mechanical parts, the utility model is proposed.
[0005] Therefore, the utility model aims at providing a test fixture for mechanical parts, which solves the problem that the existing test fixture for mechanical parts cannot be used for large or small parts at the same time, and can only be assisted by clamping and fixing, and cannot position the parts to be measured.
[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0007] A test fixture for mechanical parts, comprising a base, the top of the base is fixedly connected with a supporting column, the top of the supporting column is fixedly connected with a mounting table, the top of the mounting table is rotatably connected with an L-shaped fixing bin at one end, the cavity bottom of the L-shaped fixing bin is fixedly connected with a first hydraulic cylinder, a first sliding opening is formed in the side wall of the L-shaped fixing bin, and a small fixing plate is slidably connected, one end of the first hydraulic cylinder is fixedly connected with one end of the small fixing plate at the bottom, a rotating limiting mechanism fixedly connected with the L-shaped fixing bin is arranged in the cavity of the mounting table, a second hydraulic cylinder is fixedly connected in the cavity of the mounting table, and one end of the second hydraulic cylinder is fixedly connected with a large U-shaped fixing plate.
[0008] The rod wall of the support column is rotationally connected with a limiting rotation sleeve, the side wall of the limiting rotation sleeve is fixedly connected with a support arm, the other end of the support arm is fixedly connected with a bendable metal rod, the other end of the bendable metal rod is fixedly connected with an infrared level, an adjusting mechanism is arranged between the limiting rotation sleeve and the base, and the surface of the large U-shaped fixed plate is fixedly connected with a measuring scale plate at both ends through openings.
[0009] Preferably, the rotation limiting mechanism comprises a limiting block, a limiting socket, a clamping rod and a spring, one end of the L-shaped fixed bin passes through the top end of the mounting table and is fixedly connected with the limiting block, the side wall of the limiting block is penetrated to form the limiting socket, the clamping rod is inserted into the cavity of the mounting table, one end of the clamping rod is inserted into the limiting socket, and the spring is sleeved with one end of the rod wall of the clamping rod.
[0010] Preferably, the adjusting mechanism comprises a gear ring, a support, a rotating rod and a gear, the bottom of the limiting rotation sleeve is fixedly connected with the gear ring, one end of the top of the base is fixedly connected with the support, the side wall of the support is rotationally connected with the rotating rod, one end of the rotating rod passes through the support and is fixedly connected with the gear, and the side wall of the gear is meshingly connected with the gear ring.
[0011] Preferably, the side wall of the support column is fixedly connected with a tool placing frame.
[0012] Further, the surface of the L-shaped fixed bin, the small fixed plate and the large U-shaped fixed plate is fixedly connected with a rubber anti-skid pad.
[0013] Preferably, the bottom of the base is fixedly connected with a plurality of universal wheels.
[0014] In the above technical solution, the technical effects and advantages of the utility model are provided:
[0015] 1. The utility model discloses a small fixed plate arranged at one end of the first hydraulic cylinder, which is combined with one end of the L-shaped fixed bin by driving the small fixed plate to move upwards, so that smaller parts can be clamped and fixed, and the smaller parts can be conveniently tested.
[0016] 2. The utility model discloses a clamping rod inserted into the cavity of the mounting table, which is inserted into the limiting socket corresponding to the side wall of the limiting block by spring pressing, so that the L-shaped fixed bin can be limited and fixed after rotation adjustment.
[0017] 3. The utility model discloses, utilize the infrared level meter of setting at the one end of bendable metal pole to the part of mechanical spare that needs measurement is positioned auxiliary, utilize the bendable metal pole of setting to infrared level meter angle and distance range are conveniently adjusted, utilize the adjusting mechanism of setting to conveniently carry out the rotation adjustment of limit rotating bush, make infrared level meter follow rotation convenient for use, utilize the measure scale board of setting to the mechanical spare of the clamping of big U type fixed plate is measured auxiliary. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to make the technical personnel of the prior art or the technical solutions in the embodiments of the present application more clearly understand, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained according to these drawings for the ordinary skilled in the art.
[0019] Figure 1 It is the front structure schematic view of the utility model,
[0020] Figure 2 It is the front structure sectional view of the utility model,
[0021] Figure 3 It is the part of the utility model three-dimensional schematic view,
[0022] Figure 4 It is the Figure 2 Enlarged schematic view of part A in the utility model.
[0023] Mark explanation:
[0024] 1, base; 2, support column; 3, installation platform; 4, L type fixed bin; 5, first hydraulic cylinder; 6, first sliding mouth; 7, small fixed plate; 8, second hydraulic cylinder; 9, big U type fixed plate; 10, limit rotating sleeve; 11, support arm; 12, bendable metal pole; 13, infrared level meter; 14, measure scale board; 15, limit block; 16, limit jack; 17, clamping rod; 18, spring; 19, gear ring; 20, support; 21, rotating rod; 22, gear; 23, tool placing frame; 24, rubber antiskid pad; 25, universal wheel. DETAILED DESCRIPTION
[0025] In order to make the technical personnel of the prior art or the technical solutions in the embodiments of the present application more clearly understand, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained according to these drawings for the ordinary skilled in the art.
[0026] The utility model embodiment discloses a kind of test fixtures for mechanical parts.
[0027] The utility model provides a kind of Figures 1-4The utility model provides a test fixture for mechanical parts, including base 1, the top fixed connection of base 1 has support column 2, the top fixed connection of support column 2 has installation platform 3, one end of the top of installation platform 3 is rotatably connected with L type fixed bin 4, the cavity of L type fixed bin 4 bottom fixed connection has first hydraulic cylinder 5, the side wall of L type fixed bin 4 is seted up with first sliding mouth 6, and small fixed plate 7 is slidably connected, and one end of first hydraulic cylinder 5 is fixedly connected with one end bottom of small fixed plate 7, and the cavity of installation platform 3 is equipped with the rotation limiting mechanism of fixed connection with fixed bin 4, and the cavity of installation platform 3 is fixedly connected with second hydraulic cylinder 8, and one end of second hydraulic cylinder 8 is fixedly connected with large U type fixed plate 9,
[0028] The rod wall of support column 2 is rotatably connected with limiting rotary sleeve 10, the side wall of limiting rotary sleeve 10 is fixedly connected with support arm 11, the other end of support arm 11 is fixedly connected with bendable metal rod 12, the other end of bendable metal rod 12 is fixedly connected with infrared level 13, and adjusting mechanism is arranged between limiting rotary sleeve 10 and base 1, and the surface of large U type fixed plate 9 is fixedly connected with measuring scale plate 14 through the opening, small fixed plate 7 arranged at one end of first hydraulic cylinder 5 is driven to move upward and combine with one end of L type fixed bin 4, so that smaller parts are clamped and fixed, and smaller parts are tested, large U type fixed plate 9 arranged at one end of second hydraulic cylinder 8 is driven to move upward and combine with one end of L type fixed bin 4, so that larger parts are clamped and fixed, and larger parts are tested, L type fixed bin 4 rotatably connected at one end of the top of installation platform 3 is used to adjust the direction of L type fixed bin 4, after smaller parts are clamped in the opposite direction, the shielding range of the device body to smaller parts is reduced, the testing device is used to test smaller parts, the opposite direction is limited and fixed to L type fixed bin 4 through the rotation limiting mechanism, infrared level 13 arranged at one end of bendable metal rod 12 is used to position the part to be measured of mechanical parts, bendable metal rod 12 is used to freely adjust the angle and distance range of infrared level 13, adjusting mechanism is used to rotate and adjust limiting rotary sleeve 10, infrared level 13 follows the rotation, and the utility model is used, measuring scale plate 14 is used to measure the mechanical parts clamped on large U type fixed plate 9, so that the test fixture for mechanical parts cannot be used for large or small parts at the same time, and the test fixture can only be clamped and fixed, and the part to be measured of parts cannot be positioned.
[0029] In order to limit and fix L type fixed bin 4 after rotation adjustment, Figure 1 , 2As shown in FIGS. 4, the rotation limiting mechanism comprises a limiting block 15, a limiting hole 16, a clamping rod 17 and a spring 18, one end of the L-shaped fixing bin 4 penetrates through the top end of the mounting table 3 and is fixedly connected with the limiting block 15, a side wall of the limiting block 15 is provided with the limiting hole 16, the clamping rod 17 is inserted into the cavity of the mounting table 3, one end of the clamping rod 17 is inserted into the limiting hole 16, and one end of the rod wall of the clamping rod 17 is sleeved with the spring 18. By means of the clamping rod 17, the limiting hole 16 corresponding to the side wall of the limiting block 15 is inserted by the spring 18, so that the L-shaped fixing bin 4 is limited and fixed after rotation adjustment.
[0030] In order to facilitate the use of the rotation adjustment of the infrared level meter 13, as shown in Figure 1 and 2 As shown in FIGS. 4, the rotation limiting mechanism comprises a limiting block 15, a limiting hole 16, a clamping rod 17 and a spring 18, one end of the L-shaped fixing bin 4 penetrates through the top end of the mounting table 3 and is fixedly connected with the limiting block 15, a side wall of the limiting block 15 is provided with the limiting hole 16, the clamping rod 17 is inserted into the cavity of the mounting table 3, one end of the clamping rod 17 is inserted into the limiting hole 16, and one end of the rod wall of the clamping rod 17 is sleeved with the spring 18. By means of the clamping rod 17, the limiting hole 16 corresponding to the side wall of the limiting block 15 is inserted by the spring 18, so that the L-shaped fixing bin 4 is limited and fixed after rotation adjustment.
[0031] In order to, as shown in Figure 1 and 2 As shown in FIGS. 4, the rotation limiting mechanism comprises a limiting block 15, a limiting hole 16, a clamping rod 17 and a spring 18, one end of the L-shaped fixing bin 4 penetrates through the top end of the mounting table 3 and is fixedly connected with the limiting block 15, a side wall of the limiting block 15 is provided with the limiting hole 16, the clamping rod 17 is inserted into the cavity of the mounting table 3, one end of the clamping rod 17 is inserted into the limiting hole 16, and one end of the rod wall of the clamping rod 17 is sleeved with the spring 18. By means of the clamping rod 17, the limiting hole 16 corresponding to the side wall of the limiting block 15 is inserted by the spring 18, so that the L-shaped fixing bin 4 is limited and fixed after rotation adjustment.
[0032] In order to protect and prevent slipping of the parts during clamping, as shown in Figures 1-3 As shown in FIGS. 4, the rotation limiting mechanism comprises a limiting block 15, a limiting hole 16, a clamping rod 17 and a spring 18, one end of the L-shaped fixing bin 4 penetrates through the top end of the mounting table 3 and is fixedly connected with the limiting block 15, a side wall of the limiting block 15 is provided with the limiting hole 16, the clamping rod 17 is inserted into the cavity of the mounting table 3, one end of the clamping rod 17 is inserted into the limiting hole 16, and one end of the rod wall of the clamping rod 17 is sleeved with the spring 18. By means of the clamping rod 17, the limiting hole 16 corresponding to the side wall of the limiting block 15 is inserted by the spring 18, so that the L-shaped fixing bin 4 is limited and fixed after rotation adjustment.
[0033] In order to facilitate the movement of the test fixture, as shown in Figure 1 and 2 As shown in FIGS. 4, the rotation limiting mechanism comprises a limiting block 15, a limiting hole 16, a clamping rod 17 and a spring 18, one end of the L-shaped fixing bin 4 penetrates through the top end of the mounting table 3 and is fixedly connected with the limiting block 15, a side wall of the limiting block 15 is provided with the limiting hole 16, the clamping rod 17 is inserted into the cavity of the mounting table 3, one end of the clamping rod 17 is inserted into the limiting hole 16, and one end of the rod wall of the clamping rod 17 is sleeved with the spring 18. By means of the clamping rod 17, the limiting hole 16 corresponding to the side wall of the limiting block 15 is inserted by the spring 18, so that the L-shaped fixing bin 4 is limited and fixed after rotation adjustment.
[0034] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above description and drawings are illustrative in nature and should not be construed as limiting the scope of the claims of the present application.
Claims
1. A test fixture for mechanical parts, comprising a base (1), characterized in that, The top of the base (1) is fixedly connected to a support column (2), the top of the support column (2) is fixedly connected to a mounting platform (3), one end of the top of the mounting platform (3) is rotatably connected to an L-shaped fixed chamber (4), the bottom of the cavity of the L-shaped fixed chamber (4) is fixedly connected to a first hydraulic cylinder (5), the side wall of the L-shaped fixed chamber (4) is provided with a first sliding opening (6), and a small fixed plate (7) is slidably connected thereto. One end of the first hydraulic cylinder (5) is fixedly connected to the bottom of one end of the small fixed plate (7). The cavity of the mounting platform (3) is provided with a rotation limiting mechanism fixedly connected to the L-shaped fixed chamber (4). The cavity of the mounting platform (3) is fixedly connected to a second hydraulic cylinder (8), one end of the second hydraulic cylinder (8) is fixedly connected to a large U-shaped fixed plate (9). The support column (2) is rotatably connected to a limiting rotating sleeve (10). The side wall of the limiting rotating sleeve (10) is fixedly connected to a support arm (11). The other end of the support arm (11) is fixedly connected to a bendable metal rod (12). The other end of the bendable metal rod (12) is fixedly connected to an infrared level (13). An adjustment mechanism is provided between the limiting rotating sleeve (10) and the base (1). The two ends of the surface of the large U-shaped fixing plate (9) are fixedly connected to a measuring ruler plate (14) through openings.
2. The testing fixture for mechanical parts according to claim 1, characterized in that, The rotation limiting mechanism includes a limiting block (15), a limiting insertion hole (16), a locking rod (17), and a spring (18). One end of the L-shaped fixed chamber (4) passes through the top end of the mounting platform (3) and is fixedly connected to the limiting block (15). The side wall of the limiting block (15) is provided with a limiting insertion hole (16). One end of the mounting platform (3) is inserted into the cavity and one end of the locking rod (17) is inserted into the limiting insertion hole (16). One end of the locking rod (17) is sleeved with a spring (18).
3. A testing fixture for mechanical parts according to claim 1, characterized in that, The adjustment mechanism includes a gear ring (19), a bracket (20), a rotating rod (21), and a gear (22). The bottom of the limiting rotating sleeve (10) is fixedly connected to the gear ring (19), and the top end of the base (1) is fixedly connected to the bracket (20). The side wall of the bracket (20) is rotatably connected to the rotating rod (21). One end of the rotating rod (21) passes through the bracket (20) and is fixedly connected to the gear (22). The side wall of the gear (22) meshes with the gear ring (19).
4. A test fixture for mechanical parts according to claim 1, characterized in that, The side wall of the support column (2) is fixedly connected to a tool placement frame (23).
5. A test fixture for mechanical parts according to claim 1, characterized in that, The surfaces of the L-shaped fixed compartment (4), the small fixed plate (7), and the large U-shaped fixed plate (9) are all fixedly connected with rubber anti-slip pads (24).
6. A test fixture for mechanical parts according to claim 1, characterized in that, The bottom of the base (1) is fixedly connected to multiple casters (25).