CN219956898U

CN219956898U - Test device

Info

Publication number: CN219956898U
Application number: CN202321591510.1U
Authority: CN
Inventors: 陈斌
Original assignee: Zhejiang Jindun Automation Manufacturing Co ltd
Current assignee: Zhejiang Jindun Automation Manufacturing Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-11-03
Anticipated expiration: 2033-06-21

Abstract

The utility model relates to the technical field of linear bearing tests and discloses a test device which comprises a test bed, wherein a rotating shaft is fixedly arranged at the upper end of the test bed, a test device is arranged at the upper end of the rotating shaft and comprises a rotating disc, a cylindrical shaft and a limiting device, the lower end of the rotating disc is rotationally connected with the rotating shaft, the cylindrical shaft is fixedly arranged at the upper end of the rotating disc, a plurality of groups of cylindrical shafts are arranged, and the limiting device is arranged at the upper end of the test bed. This test device selects the cylinder axle through being provided with measuring device, according to the linear bearing of different diameter sizes, and easy operation is convenient, improves the suitability, through being provided with clamping device, when rotating the bull stick, can drive two-way threaded rod and rotate, splint on two-way threaded rod outer wall carry out opposite direction and opposite movement, make splint carry out the centre gripping to the linear bearing of different specification sizes fixed, easy operation, and the suitability is strong.

Description

Test device

Technical Field

The utility model relates to the technical field of linear bearing tests, in particular to a test device.

Background

The linear bearing is a linear motion system and is used for matching a linear stroke with a cylindrical shaft. The bearing ball is in point contact with the bearing sleeve, and the steel ball rolls with minimum friction resistance, so that the linear bearing has small friction, is stable, does not change along with the speed of the bearing, and can obtain stable linear motion with high sensitivity and high precision. The linear bearing has the limitations of consumption, and mainly has poor impact load capacity and poor bearing capacity, and secondly, the linear bearing has larger vibration and noise during high-speed movement. The linear bearing is automatically selected and recorded. Linear bearings are widely used in sliding parts for industrial machines such as precision machine tools, textile machines, food packaging machines, printing machines, and the like.

At present, before the linear bearing is produced, the service life of the linear bearing needs to be detected, the specifications of the linear bearing are different from each other, when different linear bearings are tested, the linear bearing needs to be tested by using machines with different specifications, so that the cost is increased, and the testing efficiency is slower.

Disclosure of Invention

The present utility model is directed to a testing device for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a test device, includes the test bench, the upper end fixed mounting of test bench has the axis of rotation, the upper end of axis of rotation is provided with testing arrangement, testing arrangement includes:

the lower end of the rotating disc is rotationally connected with the rotating shaft;

the cylinder shafts are fixedly arranged at the upper end of the rotary disk and provided with a plurality of groups;

and the limiting device is arranged at the upper end of the test bed.

Preferably, the limiting device comprises a fixed block, a limiting rod and a limiting spring, wherein the fixed block is fixedly arranged at the upper end of the test bed, the upper end of the fixed block penetrates through the limiting rod and is in sliding connection with the limiting rod, the outer wall of the limiting rod is sleeved with the limiting spring, one end of the limiting spring is fixedly connected with the limiting rod, and the other end of the limiting spring is fixedly connected with the fixed block.

Preferably, the support column is fixedly arranged at the upper end of the test bed, the driving motor is fixedly arranged at the upper end of the outer wall of the support column, the output end of the driving motor penetrates through the support column and is fixedly connected with the reciprocating screw rod, the sliding block is connected to the outer wall of the reciprocating screw rod in a threaded manner, the sliding rod is fixedly arranged at the left end of the sliding block, and the clamping device is fixedly arranged at the left end of the sliding rod.

Preferably, clamping device includes locating box, two-way threaded rod, bull stick and splint, the right-hand member and the sliding rod fixed connection of locating box, the inside rotation of locating box is connected with two-way threaded rod, run through on the front end outer wall of locating box have the bull stick and rotate with the bull stick and be connected, the bull stick runs through the inside one end of locating box and two-way threaded rod fixed connection, threaded connection has splint on the outer wall of two-way threaded rod, and when rotating through two-way threaded rod, it carries out opposite and opposite removal to drive two sets of splint, can carry out the centre gripping fastening to the linear bearing of different diameter sizes.

Preferably, the clamping plate is provided with tooth grooves, so that stability is improved when the clamping plate clamps the outer wall of the linear bearing.

Preferably, the rotary disk is provided with limiting holes, the limiting holes are provided with a plurality of groups and are arranged in an array mode, the limiting holes are matched with the limiting rods, the limiting rods are inserted into the limiting holes, the rotary disk is fixedly limited, and the stability of the linear bearing during measurement is improved.

Compared with the prior art, the utility model provides a test device, which has the following beneficial effects:

1. this test device, through being provided with measuring device, when needs are tested linear bearing, upwards stimulate the gag lever post, make the gag lever post no longer insert in the spacing hole, can rotate the carousel this time, also rotate the cylinder axle on the rotary disk, select the cylinder axle according to the linear bearing of different diameter sizes, easy operation is convenient, improves the suitability.

2. This test device through being provided with clamping device, when rotating the bull stick, can drive two-way threaded rod and rotate, splint on two-way threaded rod outer wall carry out opposite direction and opposite movement, make splint carry out the centre gripping to the linear bearing of different specification sizes fixedly, easy operation, and the suitability is strong.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the support column of the present utility model with portions cut away from the inside;

FIG. 3 is a schematic view of a portion of a clamping device according to the present utility model;

fig. 4 is an enlarged schematic view of the portion a of fig. 1 according to the present utility model.

In the figure: 1. a test bed; 2. a rotating shaft; 3. a testing device; 301. a rotating disc; 302. a cylindrical shaft; 303. a limiting device; 3031. a fixed block; 3032. a limit rod; 3033. a limit spring; 4. a support column; 401. a driving motor; 402. a reciprocating screw rod; 403. a sliding block; 404. a slide bar; 5. a clamping device; 501. a positioning box; 502. a two-way threaded rod; 503. a rotating rod; 504. a clamping plate; 6. and a limiting hole.

Detailed Description

As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a test device, includes test bench 1, and the upper end fixed mounting of test bench 1 has axis of rotation 2, and the upper end of axis of rotation 2 is provided with testing arrangement 3, and testing arrangement 3 includes rotary disk 301, rotary disk 301 lower extreme and axis of rotation 2 rotate to be connected, and rotary disk 301's upper end fixed mounting has cylinder axle 302, and cylinder axle 302 is provided with the multiunit, and test bench 1's upper end is provided with stop device 303.

Specifically, the testing device 3 according to the technical scheme of the present utility model includes a rotating disc 301, a cylindrical shaft 302 and a limiting device 303, by rotating the rotating disc 301, the cylindrical shaft 302 is also rotated, at this time, the cylindrical shaft 302 is conveniently selected according to the tested linear bearing, so as to improve applicability, and by inserting the limiting rod 3032 into the limiting hole 6 of the rotating disc 301, stability of the device during testing is improved.

In an embodiment of the present utility model, the cylinder shaft 302 is provided with a plurality of groups of cylinder shafts 302 with different diameters, so that the cylinder shaft 302 can be selected according to linear bearings with different diameters, and applicability is improved, when the bidirectional threaded rod 502 rotates, two groups of clamping plates 504 on the outer wall can be driven to slide in opposite directions, a sliding groove is formed on the outer wall of the left end of the supporting column 4, the sliding rod 404 slides in the sliding groove, a guide groove is formed on the outer wall of the left end of the positioning box 501, and the clamping plates 504 move in the guide groove.

With continued reference to fig. 1-4, the limiting device 303 includes a fixed block 3031, a limiting rod 3032 and a limiting spring 3033, the fixed block 3031 is fixedly installed at the upper end of the test bench 1, the upper end of the fixed block 3031 penetrates through the limiting rod 3032 and is slidably connected with the limiting rod 3032, the limiting spring 3033 is sleeved on the outer wall of the limiting rod 3032, one end of the limiting spring 3033 is fixedly connected with the limiting rod 3032, the other end of the limiting spring 3033 is fixedly connected with the fixed block 3031, the upper end of the test bench 1 is fixedly provided with a supporting column 4, the upper end of the outer wall of the supporting column 4 is fixedly provided with a driving motor 401, the output end of the driving motor 401 penetrates through the supporting column 4 and is fixedly connected with a reciprocating screw rod 402, the outer wall of the reciprocating screw rod 402 is in threaded connection with a sliding block 403, the left end of the sliding block 403 is fixedly provided with a sliding rod 404, the left end of the sliding rod 404 is fixedly provided with a clamping device 5, the clamping device 5 includes a positioning box 501, a bidirectional threaded rod 502, a rotating rod 503 and a clamping plate 504, the right end of the positioning box 501 is fixedly connected with the sliding rod 404, the inner rotation of the positioning box is connected with the sliding rod 502, the positioning box is internally provided with the threaded rod 502, the threaded rod 502 is fixedly connected with the threaded rod 503 through the threaded rod 503, the threaded rod has the threaded rod 6, and the threaded rod is fixedly connected with the clamping plate 503, the threaded rod is fixedly connected with the clamping plate 6, and the threaded rod is fixedly provided with the threaded rod 6, the threaded rod has 6, and the threaded rod has 6.

In order to prevent the rotary disk 301 from being rotationally connected with the rotary shaft 2 at the lower end, when the linear bearing slides up and down on the outer wall of the cylindrical shaft 302, the cylindrical shaft 302 drives the rotary disk 301 to shake, so that the measurement effect of the linear bearing is affected, and the limiting rod 3032 is inserted into the limiting hole 6 by arranging the limiting hole 6 on the rotary disk 301, so that the rotary disk 301 is fixedly limited, and the stability of the device in measuring the linear bearing is improved.

When the linear bearing is required to be measured, the limiting rod 3032 is pulled upwards, so that the limiting rod 3032 is not inserted into the limiting hole 6 of the rotary disk 301 any more, the rotary disk 301 is rotated, the cylindrical shaft 302 is selected, the cylindrical shaft 302 with a proper specification is moved between two groups of clamping plates 504, the limiting rod 3032 is loosened, the limiting rod 3032 is inserted into the limiting hole 6 of the rotary disk 301, the rotary disk 301 is fixed and limited, the stability of the device during measurement is improved, the linear bearing is sleeved on the outer wall of the cylindrical shaft 302, the rotary rod 503 is rotated, the rotary rod 503 drives the bidirectional threaded rod 502 to rotate, the clamping plates 504 on the outer wall of the bidirectional threaded rod 502 slide oppositely, the outer wall of the linear bearing is clamped and fastened, the driving motor 401 drives the reciprocating screw 402 to rotate, the sliding block 403 on the outer wall of the reciprocating screw 402 to reciprocate up and down, and the linear bearing is driven to reciprocate up and down on the outer wall of the cylindrical shaft 302, and the linear bearing is measured.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a test device, includes test bench (1), its characterized in that: the upper end fixed mounting of test bench (1) has axis of rotation (2), the upper end of axis of rotation (2) is provided with testing arrangement (3), testing arrangement (3) include:

the lower end of the rotary disk (301) is rotationally connected with the rotary shaft (2);

the cylindrical shafts (302), the cylindrical shafts (302) are fixedly arranged at the upper end of the rotary disc (301), and a plurality of groups of the cylindrical shafts (302) are arranged;

and the limiting device (303) is arranged at the upper end of the test bed (1).

2. A test device according to claim 1, wherein: stop device (303) is including fixed block (3031), gag lever post (3032) and spacing spring (3033), fixed block (3031) fixed mounting is in the upper end of test bench (1), the upper end of fixed block (3031) runs through gag lever post (3032) and with gag lever post (3032) sliding connection, spacing spring (3033) has been cup jointed on the outer wall of gag lever post (3032), the one end and the gag lever post (3032) fixed connection of spacing spring (3033), the other end and the fixed block (3031) fixed connection of spacing spring (3033).

3. A test device according to claim 1, wherein: the test bench is characterized in that a support column (4) is fixedly arranged at the upper end of the test bench (1), a driving motor (401) is fixedly arranged at the upper end of the outer wall of the support column (4), the output end of the driving motor (401) penetrates through the support column (4) and is fixedly connected with a reciprocating screw rod (402), a sliding block (403) is connected to the outer wall of the reciprocating screw rod (402) in a threaded manner, a sliding rod (404) is fixedly arranged at the left end of the sliding block (403), and a clamping device (5) is fixedly arranged at the left end of the sliding rod (404).

4. A test device according to claim 3, wherein: clamping device (5) are including box (501), two-way threaded rod (502), bull stick (503) and splint (504), the right-hand member and the sliding rod (404) fixed connection of box (501), the inside rotation of box (501) is connected with two-way threaded rod (502), run through on the front end outer wall of box (501) have bull stick (503) and rotate with bull stick (503) to be connected, bull stick (503) run through the inside one end of box (501) and two-way threaded rod (502) fixed connection, threaded connection has splint (504) on the outer wall of two-way threaded rod (502).

5. A test device according to claim 4, wherein: the splint (504) is provided with tooth grooves.

6. A test device according to claim 1, wherein: limiting holes (6) are formed in the rotating disc (301), and the limiting holes (6) are arranged in a plurality of groups and are arranged in an array mode.