Low-noise mute precision thruster

Abstract

The utility model relates to the technical field of thrusters, and discloses a low-noise mute type precision thruster which comprises a supporting seat, the bottom of the inner side of the supporting seat is fixedly connected with a base, the side wall of the inner side of the supporting seat is provided with a movable seat, the bottom end of the movable seat is fixedly connected with a connecting column, the bottom end of the connecting column is fixedly connected with a testing head, and the testing head is fixedly connected with the base. A cleaning mechanism is arranged on the outer wall of the connecting column; the cleaning mechanism comprises a mounting ring, a motor is fixedly connected to the top end of the left side of the mounting ring, a threaded rod is fixedly connected to the output end of the motor, a moving block is in threaded connection to the outer wall of the threaded rod, a guide part is arranged at the bottom end of the mounting ring, and a dismounting mechanism is arranged at the top end of the mounting ring. According to the utility model, after the thrust test of a group of balls is finished, the test head is reset upwards, and then the motor is started to promote the cleaning ring to move downwards, so that the test head can be cleaned, and the situation that the test data is influenced by the attachment of scraps is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to pusher technology field especially relates to a low noise mute type precision pusher. BACKGROUND

[0002] Low noise mute type precision pusher is a kind of equipment for accurately measuring and exerting push, and emphasizes low noise operation and high-precision measurement and other characteristics in design and manufacture, when push force acts on sensor, sensor will generate proportional electric signal change with the size of force, through the accurate measurement and processing of these electric signals, the push force value applied or borne can be accurately obtained, low-noise driving system is adopted, like brushless DC motor cooperates high-precision transmission device, reduces vibration and friction noise in motor operation and transmission process.

[0003] When carrying out ball push test, the test head of pusher is moved downward to extrude the ball, so that the test effect is achieved, when the test head extrudes the ball, the ball is broken, and some chippings are attached to the test head after breaking, the chippings are clamped on the surface of the test head, which makes the force transmission no longer the ideal contact state of the test head and the ball, the force is dispersed and deviated due to the existence of chippings, cannot be accurately transmitted to the ball along the predetermined direction and action point, resulting in the deviation between the measured push force data and the actual force acting on the ball, and affecting the next measurement data, therefore, the low noise mute type precision pusher is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a low noise mute type precision pusher, which aims at improving the problem that chippings are attached to the test head after a group of ball push test is completed, thereby affecting the next measurement data.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: the low noise mute type precision pusher, including support seat, the inner bottom of support seat is fixedly connected with base, the inner side wall of support seat is provided with moving seat, the bottom end of moving seat is fixedly connected with connecting column, the bottom end of connecting column is fixedly connected with test head, the outer wall of connecting column is provided with cleaning mechanism;

[0006] The cleaning mechanism includes mounting ring, the left side top of mounting ring is fixedly connected with motor, the output end of motor is fixedly connected with threaded rod, the outer wall of threaded rod is threadedly connected with moving block, the side close to connecting column of moving block is fixedly connected with limit column, the outer wall of limit column is in contact with cleaning ring, the bottom end of mounting ring is fixedly connected with support column, the rear end of support column is fixedly connected with guide column, the bottom end of mounting ring is provided with guide piece, the top of mounting ring is provided with dismounting mechanism.

[0007] As a further description of the above technical solutions:

[0008] The guide piece comprises a fixed column, the top end of the fixed column is fixedly connected to the bottom end of the mounting ring, and the inner wall of the moving block is slidingly connected to the outer curved surface of the fixed column.

[0009] As a further description of the above technical solutions:

[0010] The inner curved surface of the mounting ring is in contact with the outer curved surface of the connecting column, and the output end of the motor is rotatably connected to the inner wall of the mounting ring.

[0011] As a further description of the above technical solutions:

[0012] The inner brush surface of the cleaning ring is in contact with the outer wall of the test head.

[0013] As a further description of the above technical solutions:

[0014] The front end of the cleaning ring is provided with an arc-shaped groove, and the rear end of the guide column is in contact with the inner wall of the arc-shaped groove.

[0015] As a further description of the above technical solutions:

[0016] The dismounting mechanism comprises an engaging block, the inner wall of the engaging block is threadedly connected with a bolt, the outer curved surface of the connecting column is fixedly connected with a positioning block, and the side, close to the test head, of the bolt is threadedly connected to the inner wall of the positioning block.

[0017] As a further description of the above technical solutions:

[0018] The bottom end of the engaging block is fixedly connected to the top end of the mounting ring.

[0019] As a further description of the above technical solutions:

[0020] The engaging block is concave, and the concave surface of the engaging block is matched with the outer wall of the positioning block.

[0021] The utility model has the advantages of the following:

[0022] 1、The utility model discloses a ball pushing force test device, which comprises a moving seat, a connecting column, a test head and a cleaning mechanism, and the moving seat is fixedly connected with the connecting column.

[0023] 2. The utility model discloses a detachable mechanism and other structures are matched with each other, when the cleaning mechanism needs to be disassembled, the bolt is loosened at this moment, the positioning block is limited by the bolt, then the mounting ring can be drawn down, and the disassembly work is carried out, and the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A low-noise silent precision pusher overall perspective schematic view is provided for the utility model;

[0025] Figure 2 A mounting ring overall perspective schematic view is provided for the utility model of a low-noise silent precision pusher;

[0026] Figure 3 A test head and its cleaning ring split schematic view are provided for the utility model of a low-noise silent precision pusher;

[0027] Figure 4 A guide column and its cleaning ring split schematic view are provided for the utility model of a low-noise silent precision pusher;

[0028] Figure 5 A cleaning ring overall perspective schematic view is provided for the utility model of a low-noise silent precision pusher.

[0029] LEGEND:

[0030] 1, support seat, 2, base, 3, moving seat, 4, connecting column, 5, test head, 6, cleaning mechanism, 601, mounting ring, 602, motor, 603, cleaning ring, 604, support column, 605, threaded rod, 606, fixed column, 607, moving block, 608, limiting column, 609, guide column, 7, dismounting mechanism, 701, positioning block, 702, link block, 703, bolt. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] REFERENCE Figures 1-2The utility model provides a kind of embodiment: low-noise mute type precision thrust machine, including support seat 1, support seat 1 is the bottom plate of thrust machine, and the key parts of thrust machine, such as transmission component and the connecting part of fuselage etc., use damping material and device, while the surface of the fuselage of thrust machine is coated with sound-absorbing and noise-reducing coating to reflect low-noise effect, this is prior art and will not be explained too much, the inner side bottom of support seat 1 is fixedly connected with base 2, base 2 can install corresponding test piece, the inner side wall of support seat 1 is provided with moving seat 3, moving seat 3 is driven by brushless DC motor, so as to make moving seat 3 move vertically, to carry out corresponding test, the bottom end of moving seat 3 is fixedly connected with connecting column 4, the bottom end of connecting column 4 is fixedly connected with test head 5, when moving seat 3 moves, test head 5 will be driven to carry out ball thrust test, the outer wall of connecting column 4 is provided with cleaning mechanism 6;With the setting of cleaning mechanism 6, the debris on test head 5 can be cleaned, and collecting tray is provided on base 2, and collecting tray is driven by electric telescopic rod, so as to cooperate with cleaning mechanism 6, and the debris after being cleaned is collected.

[0033] Refer to Figures 2-4 Cleaning mechanism 6 includes mounting ring 601, motor 602 is fixedly connected to the left top end of mounting ring 601, mounting ring 601 can support the shell of motor 602, the output end of motor 602 is fixedly connected with threaded rod 605, and moving block 607 is threadedly connected to the outer wall of threaded rod 605, threaded rod 605 is driven to rotate by the output end of motor 602, so that moving block 607 moves up and down, one side of moving block 607 close to connecting column 4 is fixedly connected with limit post 608, limit post 608 is in contact with cleaning ring 603, limit post 608 and moving block 607 are both provided with two groups, so that cleaning ring 603 moves more stably, and the outer wall of cleaning ring 603 is provided with annular groove matched with limit post 608, so as to cooperate with limit post 608, the bottom end of mounting ring 601 is fixedly connected with support column 604, the rear end of support column 604 is fixedly connected with guide column 609, support column 604 and guide column 609 are combined to be L-shaped, so that cleaning ring 603 rotates when moving, to enhance cleaning effect, the bottom end of mounting ring 601 is provided with guide, and the guide is provided with two groups, so that moving block 607 does not rotate when moving, the top end of mounting ring 601 is provided with dismounting mechanism 7, so that cleaning mechanism 6 can be dismounted when not needed.

[0034] Refer to Figures 3-5The guide piece comprises a fixed column 606, the top end of the fixed column 606 is fixedly connected to the bottom end of the mounting ring 601, the mounting ring 601 can support the fixed column 606, the inner wall of the moving block 607 is slidingly connected to the outer arc surface of the fixed column 606, the sliding arrangement makes the moving block 607 not rotate when moving, the inner arc surface of the mounting ring 601 contacts the outer arc surface of the connecting column 4, the contact between the two increases the contact area between the mounted mounting ring 601 and the connecting column 4, thereby achieving the purpose of increasing stability, the output end of the motor 602 is rotatably connected to the inner wall of the mounting ring 601, the rotary arrangement avoids motion interference, the inner side brush surface of the cleaning ring 603 contacts the outer wall of the test head 5, the contact between the two can clean the test head 5 after testing, the front end of the cleaning ring 603 is provided with an arc-shaped groove, the rear end of the guide column 609 contacts the inner wall of the arc-shaped groove, as shown in Figure 3 When the cleaning ring 603 moves downward, the cleaning ring 603 will rotate to the right during the downward movement due to the arrangement of the arc-shaped groove.

[0035] Referring to Figures 2-4 The dismounting mechanism 7 comprises a connecting block 702, the inner wall of the connecting block 702 is threadedly connected with a bolt 703, the arrangement of the bolt 703 can stably support the mounted mounting ring 601, the outer arc surface of the connecting column 4 is fixedly connected with a positioning block 701, the outer wall of the positioning block 701 is provided with a threaded hole, the side of the bolt 703 close to the test head 5 is threadedly connected to the inner wall of the positioning block 701, through the threaded cooperation between the bolt 703 and the threaded hole, the purpose of stable installation can be achieved, the bottom end of the connecting block 702 is fixedly connected to the top end of the mounting ring 601, through the dismounting of the connecting block 702, the mounting ring 601 can be dismounted, the connecting block 702 is concave, the concave surface of the connecting block 702 matches the outer wall of the positioning block 701, the matching between the two can achieve the purpose of pre-positioning.

[0036] Working principle: when the ball thrust test is completed, in order to ensure the accuracy of the next test, the debris remaining on the test head 5 needs to be cleaned. First, move the test head 5 to the top, then start the electric telescopic rod to drive the collection disc to move to the lower side of the test head 5, start the motor 602 installed on the left top of the mounting ring 601. The output end of the motor 602 drives the threaded rod 605 to rotate, because the outer wall of the threaded rod 605 is threaded connected with the moving block 607, and the inner wall of the moving block 607 is slidingly connected on the outer arc surface of the fixed column 606 (the top of the fixed column 606 is fixed on the bottom of the mounting ring 601, which plays a guiding role, so that the moving block 607 can only move up and down without rotating), so the rotation of the threaded rod 605 will promote the moving block 607 to move up and down along the direction of the fixed column 606. The limit column 608 fixedly connected to the side of the moving block 607 close to the connecting column 4 contacts with the cleaning ring 603, and the limit column 608 and the moving block 607 are both provided with two groups, which ensures the stable movement of the cleaning ring 603. When the moving block 607 moves downward, it drives the cleaning ring 603 to move downward. Based on the special design of the arc-shaped groove, the cleaning ring 603 will rotate to the right during the downward movement. In this way, the brush surface inside the cleaning ring 603 can clean the outer wall of the test head 5 in a combination of rolling and sliding, which enhances the cleaning effect. The debris cleaned by the cleaning ring 603 will fall into the collection disc for collection.

[0037] When the cleaning mechanism 6 is not needed in some cases, it can be disassembled through the dismounting mechanism 7. When dismounting, first loosen the bolt 703, release the thread cooperation between the bolt 703 and the screw hole on the positioning block 701, then take down the adapter block 702 from the positioning block 701, and then realize the dismounting of the mounting ring 601 and the whole cleaning mechanism 6. When installing, make the adapter block 702 contact with the positioning block 701 to complete the pre-positioning effect, and then rotate the bolt 703 to complete the installation operation.

[0038] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A low-noise, quiet precision thruster, comprising a support base (1), characterized in that: The support base (1) is fixedly connected to the bottom of the inner side of the base (2), the support base (1) is provided with a movable base (3), the bottom end of the movable base (3) is fixedly connected to a connecting column (4), the bottom end of the connecting column (4) is fixedly connected to a test head (5), and the outer wall of the connecting column (4) is provided with a cleaning mechanism (6). The cleaning mechanism (6) includes a mounting ring (601), a motor (602) is fixedly connected to the top left side of the mounting ring (601), a threaded rod (605) is fixedly connected to the output end of the motor (602), a moving block (607) is threadedly connected to the outer wall of the threaded rod (605), a limiting post (608) is fixedly connected to the side of the moving block (607) near the connecting post (4), a cleaning ring (603) is in contact with the outer wall of the limiting post (608), a support post (604) is fixedly connected to the bottom end of the mounting ring (601), a guide post (609) is fixedly connected to the rear end of the support post (604), a guide is provided at the bottom end of the mounting ring (601), and a disassembly mechanism (7) is provided at the top end of the mounting ring (601).

2. The low-noise, quiet precision thruster according to claim 1, characterized in that: The guide includes a fixed post (606), the top end of which is fixedly connected to the bottom end of the mounting ring (601), and the inner wall of the moving block (607) is slidably connected to the outer arc surface of the fixed post (606).

3. The low-noise, quiet precision thruster according to claim 1, characterized in that: The inner arc surface of the mounting ring (601) contacts the outer arc surface of the connecting column (4), and the output end of the motor (602) is rotatably connected to the inner wall of the mounting ring (601).

4. The low-noise, quiet precision thruster according to claim 1, characterized in that: The inner brush surface of the cleaning ring (603) contacts the outer wall of the test head (5).

5. The low-noise, quiet precision thruster according to claim 1, characterized in that: The front end of the cleaning ring (603) has an arc-shaped groove, and the rear end of the guide post (609) contacts the inner wall of the arc-shaped groove.

6. The low-noise, quiet precision thruster according to claim 1, characterized in that: The disassembly mechanism (7) includes a connecting block (702), the inner wall of the connecting block (702) is threaded with a bolt (703), the outer arc surface of the connecting column (4) is fixedly connected with a positioning block (701), and the bolt (703) is threaded on the inner wall of the positioning block (701) on the side near the test head (5).

7. The low-noise, quiet precision thruster according to claim 6, characterized in that: The bottom end of the connecting block (702) is fixedly connected to the top end of the mounting ring (601).

8. The low-noise, quiet precision thruster according to claim 6, characterized in that: The connecting block (702) is configured to be concave, and the concave surface of the connecting block (702) matches the outer wall of the positioning block (701).

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