CN215725621U - Ball screw axial play testing arrangement - Google Patents
Ball screw axial play testing arrangement Download PDFInfo
- Publication number
- CN215725621U CN215725621U CN202122203866.0U CN202122203866U CN215725621U CN 215725621 U CN215725621 U CN 215725621U CN 202122203866 U CN202122203866 U CN 202122203866U CN 215725621 U CN215725621 U CN 215725621U
- Authority
- CN
- China
- Prior art keywords
- base
- servo motor
- ball screw
- screw axial
- axial play
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model discloses a ball screw axial clearance testing device which comprises a base, wherein an opening is formed in the middle of one end of the front side of the base, mounting seats are symmetrically arranged on two sides of the top of the base, a servo motor A is arranged on one side of one group of the mounting seats, a bidirectional threaded rod is arranged at the output end of the servo motor A, internal thread sleeve blocks are symmetrically sleeved on two sides of the outer side of the bidirectional threaded rod, mounting pipes are arranged at one ends of the front sides of the internal thread sleeve blocks, and electric push rods are arranged inside the mounting pipes; according to the utility model, through the mutual matching of the baffle plate, the pull rope, the spring, the double-groove rope pulley and the servo motor B, the screw rod shaft can be directly placed in the front of the device, and the screw rod shaft does not need to be lifted and inserted, so that the screw rod shaft is inserted above the base; through mutually supporting of servo motor A, two-way threaded rod, internal thread cover piece, remove through driving two sets of electric putter to the ejector pad is U type structure, and it is more stable to jack up.
Description
Technical Field
The utility model relates to the technical field of ball screw axial clearance testing devices, in particular to a ball screw axial clearance testing device.
Background
The ball screw often generates a play phenomenon in the use process, and the play is a gap between a bearing rolling body and an inner ring shell and an outer ring shell of the bearing; the play refers to a movement amount when the bearing is not mounted on the shaft or the bearing housing, the inner ring or the outer ring is fixed, and then the unfixed bearing play is moved in the radial direction or the axial direction; according to the moving direction, the radial clearance and the axial clearance are divided; the size of the play during operation has influence on the performances of the bearing such as rolling fatigue life, temperature rise, noise, vibration and the like, and a corresponding play test is required to be carried out in order to ensure the service life of the screw shaft bearing transmission; the existing ball screw axial clearance test usually needs to lift a screw shaft and insert the screw shaft into the device for fixing, the labor is large, certain accuracy is needed, and when the test is adjusted according to the size of a screw bearing, after one jacking part needs to be adjusted, the other jacking part needs to be adjusted, and more time is consumed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a ball screw axial clearance testing device to solve the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: a ball screw axial clearance testing device comprises a base, wherein an opening is arranged in the middle of one end of the front surface of the base, the two sides of the top of the base are symmetrically provided with mounting seats, one side of one group of the mounting seats is provided with a servo motor A, the output end of the servo motor A is provided with a bidirectional threaded rod, two sides of the outer side of the bidirectional threaded rod are symmetrically sleeved with internal thread sleeve blocks, the front end of the internal thread sleeve block is provided with a mounting pipe, the interior of the mounting pipe is provided with an electric push rod, the output end of the electric push rod is provided with a push block, the top of the mounting seat is provided with supporting plates, the inner parts of the two groups of supporting plates are symmetrically provided with outer sleeves, the inside of outer tube all sliding connection has interior loop bar, and is two sets of one side that interior loop bar is close to each other is provided with the installation piece, the positive one end of installation piece all is provided with the amesdial.
Preferably, the inside bilateral symmetry of base is provided with the cavity, all sliding connection has the baffle in the inside cavity of base, the intermediate position department of base back one end is provided with servo motor B, servo motor B's output is provided with the double flute rope sheave, and is two sets of one side that the baffle kept away from each other all is provided with the stay cord, the stay cord extends to the outside of base, and is two sets of the stay cord twines in the outside of double flute rope sheave respectively, the pot head that the stay cord outside is close to the baffle is equipped with the spring.
Preferably, the bottom of the base is provided with a fixing frame body.
Preferably, the push block is made of an L-shaped structure.
Preferably, one end of the front surface of the outer sleeve is provided with a locking bolt.
Preferably, the bottom of one side of two sets of mount pads far away from each other all is provided with the reinforcing plate.
Compared with the prior art, the utility model has the beneficial effects that: the ball screw axial clearance testing device is characterized in that a screw shaft can be directly placed in the front of the device through the mutual matching of a baffle plate, a pull rope, a spring, a double-groove rope pulley and a servo motor B, and the screw shaft does not need to be lifted and inserted, so that the upper part of a base is inserted; through mutually supporting of servo motor A, two-way threaded rod, internal thread cover piece, remove through driving two sets of electric putter to the ejector pad is U type structure, and it is more stable to jack up.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a rear view of the present invention.
In the figure: 1. a base; 2. a baffle plate; 3. pulling a rope; 4. a bidirectional threaded rod; 5. a mounting seat; 6. a support plate; 7. a dial indicator; 8. mounting blocks; 9. an inner loop bar; 10. an outer sleeve; 11. a push block; 12. a servo motor A; 13. installing a pipe; 14. an electric push rod; 15. a spring; 16. an internal thread sleeve block; 17. a double-groove rope pulley; 18. and a servo motor B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a ball screw axial clearance testing device comprises a base 1, wherein an opening is formed in the middle of one end of the front face of the base 1, a screw shaft can be directly placed in the front face of the device without lifting and inserting the screw shaft, mounting seats 5 are symmetrically arranged on two sides of the top of the base 1, a servo motor A12 is arranged on one side of one group of the mounting seats 5, a bidirectional threaded rod 4 is arranged at the output end of a servo motor A12, two groups of electric push rods 14 are synchronously adjusted to a specified position, internal thread sleeve blocks 16 are symmetrically sleeved on two sides of the outer side of the bidirectional threaded rod 4, a mounting pipe 13 is arranged at one end of the front face of each internal thread sleeve block 16, the electric push rods 14 are arranged inside the mounting pipes 13, a push block 11 is arranged at the output end of each electric push rod 14, supporting plates 6 are arranged on the top of each mounting seat 5, outer sleeves 10 are symmetrically arranged inside the two groups of the supporting plates 6, and inner sleeve rods 9 are slidably connected inside the outer sleeves 10, one side that two sets of inner loop bars 9 are close to each other is provided with installation piece 8, and the positive one end of installation piece 8 all is provided with amesdial 7, reads in screw rod bearing top through amesdial 7 to accomplish the axial internal clearance test.
The dial indicator 7 and the electric push rod 14 in the device are in the prior art, and the composition structure and the connection mode of the device are completely the same as those of the prior device.
Further, the inside bilateral symmetry of base 1 is provided with the cavity, all sliding connection has baffle 2 in the inside cavity of base 1, the intermediate position department of base 1 back one end is provided with servo motor B18, servo motor B18's output is provided with double flute rope sheave 17, one side that two sets of baffles 2 kept away from each other all is provided with stay cord 3, stay cord 3 extends to the outside of base 1, two sets of stay cords 3 twine respectively in the outside of double flute rope sheave 17, the pot head that the outside of stay cord 3 is close to baffle 2 is equipped with spring 15, and convenient for operation.
Further, the bottom of the base 1 is provided with a fixing frame body for limiting the position of the ball screw shaft.
Furthermore, the push block 11 is made of an L-shaped structure, and the push block 11 is in contact with the edge of the bottom of the screw rod bearing, so that the jacking is more stable.
Furthermore, one end of the front surface of the outer sleeve 10 is provided with a locking bolt which can position the inner sleeve rod 9.
Furthermore, the bottom of one side is kept away from each other to two sets of mount pads 5 all is provided with the reinforcing plate, supports more stably.
The working principle is as follows: when the device is used, firstly, the double-groove rope pulley 17 is driven to rotate by the servo motor B18, so that the pull rope 3 is pulled to wind the double-groove rope pulley, the two groups of baffles 2 are pulled to be away from each other in the cavity, so that the spring 15 is driven to be compressed, then an operator can directly put a ball screw into the base 1 from the front of the device and insert the ball screw into a fixed frame body at the bottom of the base 1, the servo motor A12 drives the bidirectional threaded rod 4 to rotate according to the width of a screw bearing, so that the two groups of internal thread sleeve blocks 16 are synchronously adjusted to specified positions, further the mounting pipe 13 and the electric push rod 14 are adjusted to the specified positions, the push block 11 is contacted with the edge of the bottom of the screw bearing, the input end of the dial indicator 7 is contacted with the top of the screw bearing, the push block 14 drives the push block 11 to jack up the screw bearing, so that the dial indicator 7 reads from the top of the screw bearing, thereby completing the axial play test.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a removable connection, unless expressly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (6)
1. The utility model provides a ball screw axial internal clearance testing arrangement, includes base (1), its characterized in that: the middle part of the positive one end of the base (1) is provided with an opening, two side symmetry at the top of the base (1) is provided with a mounting seat (5), one side of the mounting seat (5) is provided with a servo motor A (12), the output end of the servo motor A (12) is provided with a bidirectional threaded rod (4), two side symmetry sleeves at the outer side of the bidirectional threaded rod (4) are provided with internal thread sleeve blocks (16), the positive one end of each internal thread sleeve block (16) is provided with a mounting pipe (13), the insides of the mounting pipes (13) are provided with electric push rods (14), the output ends of the electric push rods (14) are provided with push blocks (11), the top of the mounting seat (5) is provided with a support plate (6), the insides of the two groups of support plates (6) are symmetrically provided with outer sleeves (10), the insides of the outer sleeves (10) are all slidably connected with inner sleeve rods (9), and one side of each of the two groups of inner loop bars (9) close to each other is provided with an installation block (8), and one end of the front surface of each installation block (8) is provided with a dial indicator (7).
2. The ball screw axial play test apparatus according to claim 1, characterized in that: the utility model discloses a motor, including base (1), both sides symmetry inside base (1) is provided with the cavity, all sliding connection has baffle (2) in the cavity inside base (1), the intermediate position department of base (1) back one end is provided with servo motor B (18), the output of servo motor B (18) is provided with double flute rope sheave (17), and is two sets of one side that baffle (2) kept away from each other all is provided with stay cord (3), stay cord (3) extend to the outside of base (1), and are two sets of stay cord (3) twine respectively in the outside of double flute rope sheave (17), the pot head that stay cord (3) outside is close to baffle (2) is equipped with spring (15).
3. The ball screw axial play test apparatus according to claim 1, characterized in that: the bottom of the base (1) is provided with a fixed frame body.
4. The ball screw axial play test apparatus according to claim 1, characterized in that: the push block (11) is made of an L-shaped structure.
5. The ball screw axial play test apparatus according to claim 1, characterized in that: and one end of the front surface of the outer sleeve (10) is provided with a locking bolt.
6. The ball screw axial play test apparatus according to claim 1, characterized in that: and the bottoms of the two groups of mounting seats (5) which are far away from one side are provided with reinforcing plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122203866.0U CN215725621U (en) | 2021-09-13 | 2021-09-13 | Ball screw axial play testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122203866.0U CN215725621U (en) | 2021-09-13 | 2021-09-13 | Ball screw axial play testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215725621U true CN215725621U (en) | 2022-02-01 |
Family
ID=80018902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122203866.0U Active CN215725621U (en) | 2021-09-13 | 2021-09-13 | Ball screw axial play testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215725621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894058A (en) * | 2022-05-05 | 2022-08-12 | 长沙职业技术学院 | Ball screw fault diagnosis test bed for numerical control machine tool |
-
2021
- 2021-09-13 CN CN202122203866.0U patent/CN215725621U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894058A (en) * | 2022-05-05 | 2022-08-12 | 长沙职业技术学院 | Ball screw fault diagnosis test bed for numerical control machine tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215725621U (en) | Ball screw axial play testing arrangement | |
| CN104180991B (en) | Comprehensive performance testing machine for ultra-high speed oil bearing | |
| CN211855696U (en) | Rotor dynamic balance test system | |
| CN210427746U (en) | Power testing device for electric unmanned aerial vehicle | |
| CN209224108U (en) | A kind of robot chassis quick clamping device | |
| CN115979944A (en) | Large-lateral-force rubber-coated piston friction force testing machine | |
| CN212932341U (en) | Friction coefficient testing machine | |
| CN113008691A (en) | Vibration testing machine for metal corrugated pipe | |
| CN220772774U (en) | Bowden wire detection device | |
| CN213903151U (en) | Oxford elasticity check out test set | |
| CN216006423U (en) | Main transmission long shaft assembling system for steel wire rope double-twisting machine | |
| CN218893139U (en) | Electric blocking device | |
| CN220505731U (en) | Horizontal speed reducer fixing seat | |
| CN215639338U (en) | Chain length measuring device | |
| CN215785734U (en) | Tensioning device of cable core wire drawing machine | |
| CN219935636U (en) | Large-side-force rubber-coated piston friction force testing machine | |
| CN212007513U (en) | 10kV distribution transformer noise measurement device | |
| CN219730261U (en) | Lifting appliance for engine installation | |
| CN215439078U (en) | Wire winding machine with tension adjusting function for tungsten wire rope | |
| CN217714302U (en) | Crude oil pipeline nondestructive test device convenient to installation | |
| CN220428060U (en) | Support frame for detecting speed of elevator roller | |
| CN212274801U (en) | Motor shaft test fixture that beats | |
| CN216483641U (en) | Top drive performance test device | |
| CN211170091U (en) | Integral sliding sleeve device of submersible flow pushing machine | |
| CN216178073U (en) | Dotting and die repairing machine shaft supporting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |