CN112628285A

CN112628285A - Universal lifting guide rail

Info

Publication number: CN112628285A
Application number: CN202011398155.7A
Authority: CN
Inventors: 鲜玉强; 张�林; 崔鼎; 张伟; 李雪峰; 严从林; 荆建瑛; 陈涛; 李才阳
Original assignee: Institute of Applied Electronics of CAEP
Current assignee: Institute of Applied Electronics of CAEP
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-04-09

Abstract

The invention discloses a universal lifting guide rail, which comprises at least two ball universal wheel assemblies, wherein each ball universal wheel assembly comprises a fixed bottom plate, a shell is buckled on the fixed bottom plate, an upper sliding block and a lower sliding block are arranged in the shell, the upper sliding block is abutted against the fixed bottom plate, a compression spring is arranged between the lower sliding block and the shell, the contact surface of the upper sliding block and the lower sliding block is a sliding inclined surface, a supporting ball is arranged on one side of the lower sliding block, which is far away from the upper sliding block, and a first opening for installing the supporting ball is arranged on the shell; the sliding rod penetrates through the shell and is fixedly connected with the upper sliding blocks of the two adjacent ball universal wheel assemblies, and the adjusting screw is fixed on the outer side of the sliding rod of the ball universal wheel assembly at the outermost edge and used for driving the sliding rod to move. The device reduces labor intensity, and is suitable for accurate installation and positioning of precision equipment which is limited in operation space, does not have hoisting conditions and needs to be moved, adjusted and leveled in a horizontal plane.

Description

Universal lifting guide rail

Technical Field

The invention relates to the field of adjustment of mobile precision equipment, in particular to a universal lifting guide rail.

Background

The existing common guide rail mounting mode is mainly that a sliding block is mounted on mobile equipment, a guide rail is fixed on a base, and the sliding block and the guide rail form a precise closed sliding or rolling guide rail pair which is usually used in pairs. The guide rail pair is not suitable for a use mode that equipment needs to be separated from the guide rail frequently, the guide rail precision is influenced by repeated assembly, and the convenience is poor. Moreover, the conventional guide rail pair does not have a lifting adjustment function, and therefore, a universal lifting guide rail capable of adjusting the height and the position of the supported equipment and freely separating a rail and a ball is urgently needed.

Disclosure of Invention

The invention aims to solve the technical problems and provides a universal lifting guide rail, aiming at the existing problems, the position of a slide rod is adjusted by an adjusting screw, the horizontal position of an upper slide block is adjusted, the height of a lower slide block is further adjusted, and finally the effect of adjusting the height of a supporting ball is achieved, so that the labor intensity is reduced, the universal lifting guide rail is suitable for accurate installation and positioning of precision equipment which is limited in operation space, does not have hoisting conditions and needs to be moved, adjusted and leveled in a horizontal plane, and the supporting ball and a track can be freely separated.

The technical scheme adopted by the invention is as follows: a universal lifting guide rail comprises at least two ball universal wheel assemblies, wherein each ball universal wheel assembly comprises a fixed base plate, a shell is buckled on the fixed base plate, an upper sliding block and a lower sliding block are arranged in the shell, the upper sliding block is abutted against the fixed base plate, a compression spring is arranged between the lower sliding block and the shell, the contact surface of the upper sliding block and the lower sliding block is arranged to be a sliding inclined surface, a supporting ball is arranged on one side, away from the upper sliding block, of the lower sliding block, and a first opening for mounting the supporting ball is formed in the shell; the sliding rod penetrates through the shell and is fixedly connected with the upper sliding blocks of the two adjacent rolling universal wheel assemblies, and adjusting screws are fixed on the outer sides of the sliding rods of the edgemost rolling universal wheel assemblies and are used for driving the sliding rods to move. The adjusting screw adjusts the position of the sliding rod, adjusts the horizontal position of the upper sliding block, further adjusts the height of the lower sliding block, finally achieves the effect of adjusting the height of the supporting ball, not only reduces labor intensity, but also is suitable for accurate installation and positioning of precision equipment which is limited in operation space, does not have hoisting conditions and needs to move, adjust and level in a horizontal plane, and can freely separate the supporting ball from a track.

Preferably, the plurality of ball-and-socket wheel assemblies are arranged in a matrix at intervals in relation to the X, Y direction, with the sliding direction of the upper slider being the X direction and the direction perpendicular to the X direction being the Y direction.

Preferably, the device further comprises a limit baffle plate, the limit baffle plate is used for limiting the axial movement distance of the adjusting screw, and the limit baffle plate is arranged at the bottom of the supported object.

Preferably, a compression spring hole is formed in the lower sliding block and used for containing the compression spring. The compression spring is fixed.

Preferably, the number of the compression springs is two, and the compression springs are respectively arranged at two ends of the lower sliding block. The two ends of the lower sliding block are uniformly stressed, and the whole mechanism runs more stably.

Preferably, an arc-shaped groove is formed in one end, far away from the upper sliding block, of the lower sliding block and used for containing the supporting ball.

Preferably, a small ball layer is arranged between the arc-shaped groove and the support ball, and the small ball layer comprises a plurality of small balls. The friction force between the arc-shaped groove and the supporting ball is reduced, and the moving resistance of the supported object in the horizontal plane is reduced.

Preferably, still including supporting the ball apron, support be provided with on the ball apron with support the third opening of ball adaptation, support the ball apron with the connection can be dismantled to the lower sliding block. The supporting ball cover plate is fixed on the lower sliding block through a cover plate screw.

Preferably, the support balls and the support ball cover plate are in clearance fit. The small ball layer and the supporting balls can freely rotate, and the blocking is avoided.

Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows: the universal lifting guide rail comprises a fixed base plate, wherein a shell is buckled on the fixed base plate, an upper sliding block and a lower sliding block are arranged in the shell, the upper sliding block is abutted against the fixed base plate, a compression spring is arranged between the lower sliding block and the shell, the contact surface of the upper sliding block and the lower sliding block is a sliding inclined surface, a supporting ball is arranged on one side, away from the upper sliding block, of the lower sliding block, and a first opening for mounting the supporting ball is formed in the shell; still include adjusting screw, adjusting screw with go up sliding block threaded connection, be provided with the confession on the casing the second opening that adjusting screw passed. The adjusting screw adjusts the horizontal position of the upper sliding block, further adjusts the height of the lower sliding block, and finally achieves the effect of adjusting the height of the supporting ball, so that the labor intensity is reduced, and the device is suitable for accurate installation and positioning of precision equipment which is limited in operation space, does not have hoisting conditions and needs to be adjusted and leveled in a horizontal plane.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a partial block diagram of the present invention;

fig. 3 is a schematic diagram of the present invention.

Description of the symbols of the main elements: 1. fixing the bottom plate; 2. a limit baffle; 3. adjusting the screw; 4. an upper slide block; 5. a supported object; 6. a housing; 7. a compression spring; 8. a lower slide block; 9. a cover plate screw; 10. supporting the ball cover plate; 11. supporting the balls; 12. a small ball layer; 13. a ball gimbal assembly; 14. a slide bar.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings. In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1: referring to fig. 1 to 3, the universal lifting guide rail of the present embodiment includes at least two ball-bearing universal wheel assemblies 13, each ball-bearing universal wheel assembly 13 includes a fixed base plate 1, a housing 6 is fastened on the fixed base plate 1, an upper slider 4 and a lower slider 8 are disposed in the housing 6, the upper slider 4 abuts against the fixed base plate 1, a compression spring 7 is disposed between the lower slider 8 and the housing 6, a contact surface between the upper slider 4 and the lower slider 8 is a sliding inclined surface, a support ball 11 is disposed on a side of the lower slider 8 away from the upper slider 4, and a first opening for mounting the support ball 11 is disposed on the housing 6; the device also comprises a sliding rod 14, the sliding rod 14 penetrates through the shell 6 and is fixedly connected with the upper sliding blocks 4 of the two adjacent rolling universal wheel assemblies, the outer side of the sliding rod 14 of the edgemost rolling universal wheel assembly is fixedly provided with an adjusting screw 3, and the adjusting screw 3 is used for driving the sliding rod 14 to move. The adjusting screw 3 adjusts the position of the sliding rod 14, adjusts the horizontal position of the upper sliding block 4, further adjusts the height of the lower sliding block 8, and finally achieves the effect of adjusting the height of the supporting ball 11, so that the labor intensity is reduced, the device is suitable for accurate installation and positioning of precision equipment which is limited in operation space, does not have hoisting conditions and needs to move, adjust and level in a horizontal plane, and the supporting ball 11 and a track can be freely separated. The fixed bottom plate 1 is fixed at the bottom of the supported object 5.

Example 2: in the present embodiment, the sliding direction of the upper slider 4 is the X direction, the direction perpendicular to the X direction is the Y direction, and the plurality of ball-and-socket wheel assemblies 13 are arranged in a matrix at intervals with respect to the direction X, Y; can be arranged side by side or longitudinally; this embodiment still includes limit baffle 2, and limit baffle 2 is used for limiting the axial movement distance of adjusting screw 3, and limit baffle 2 sets up in being supported the thing bottom. So that the adjusting screw 3 can only rotate and cannot move in the axial direction. The limit baffle 2 is of a detachable structure; the upper slide block 4 of this embodiment is a hollow structure, and one end of the adjusting screw 3 penetrates through one side wall of the upper slide block 4 and enters the hollow structure. The lower slider 8 of the embodiment is provided with a compression spring 7 hole, and the compression spring 7 hole is used for accommodating the compression spring 7. The compression spring 7 is fixed. The number of the compression springs 7 of the present embodiment is two, and the compression springs are respectively provided at both ends of the lower slider 8. The two ends of the lower sliding block 8 are evenly stressed, and the whole mechanism runs more stably.

Example 3: the one end that the lower slider 8 of this embodiment kept away from top shoe 4 is provided with the arc recess, and the arc recess is used for the holding to support ball 11. A small ball layer 12 is arranged between the arc-shaped groove and the supporting ball 11, and the small ball layer 12 comprises a plurality of small balls. The friction force between the arc-shaped groove and the supporting ball 11 is reduced, and the moving resistance of the supported object 5 in the horizontal plane is reduced. The present embodiment further includes a supporting ball cover plate 10, a third opening adapted to the supporting ball 11 is disposed on the supporting ball cover plate 10, and the supporting ball cover plate 10 is detachably connected to the lower slider 8. The support ball cover plate 10 is fixed on the lower slide block 8 through a cover plate screw 9. The supporting balls 11 and the supporting ball cover plate 10 of the present embodiment are in clearance fit. The small ball layer 12 and the supporting ball 11 can rotate freely, and the locking is avoided.

The inclined angle of the wedge type slide block adjusting mechanism formed by the upper slide block 4 and the lower slide block 8 can be designed within a certain range according to the requirements of lifting adjusting stroke size, positioning precision, adjusting screw 3 torque and the like, so that the requirements of moving, lifting and positioning of supported objects 5 with different sizes and weights are met; the diameters of the small ball layer 12, the supporting balls 11 and the concave spherical surface of the lower sliding block 8 can be designed according to the weight of the supported object 5; the lifting ball universal wheel can be combined and used according to the size and weight of a supported object 5 and at least more than 3 ball universal wheels in a certain form, reduces the labor intensity in use, and is generally suitable for accurate installation and positioning of precision equipment which is limited in operation space, does not have hoisting conditions and needs to move, adjust and level in a horizontal plane.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A universal lifting guide rail is characterized by comprising at least two ball universal wheel assemblies, wherein each ball universal wheel assembly comprises a fixed base plate, a shell is buckled on the fixed base plate, an upper sliding block and a lower sliding block are arranged in the shell, the upper sliding block abuts against the fixed base plate, a compression spring is arranged between the lower sliding block and the shell, the contact surface of the upper sliding block and the lower sliding block is a sliding inclined surface, a supporting ball is arranged on one side, away from the upper sliding block, of the lower sliding block, and a first opening for mounting the supporting ball is formed in the shell; the sliding rod penetrates through the shell and is fixedly connected with the upper sliding blocks of the two adjacent ball universal wheel assemblies, and an adjusting screw is fixed on the outer side of the sliding rod of the edge-most ball universal wheel assembly and used for driving the sliding rod to move.

2. The universal riser guide of claim 1 wherein a plurality of ball-and-socket wheel assemblies are spaced in a matrix about the X, Y direction, with the sliding direction of the top block being the X direction and the direction perpendicular to the X direction being the Y direction.

3. The universal riser guide of claim 1 further comprising a limit stop for limiting the axial travel distance of the adjustment screw, the limit stop being disposed at the bottom of the supported object.

4. The universal riser guide of claim 1 wherein the lower block has a compression spring aperture therein for receiving the compression spring.

5. The universal riser guide of claim 1 wherein the number of compression springs is two and each compression spring is disposed at each end of the lower slider.

6. The universal riser guide of claim 1 wherein the lower shoe has an arcuate recess at an end thereof remote from the upper shoe, the arcuate recess configured to receive the support ball.

7. The universal riser guide of claim 6 wherein a small ball layer is disposed between the arcuate groove and the support ball, the small ball layer comprising a plurality of small balls.

8. The universal riser guide of claim 7 further comprising a support ball cover plate, wherein the support ball cover plate is provided with a third opening adapted to the support ball, and the support ball cover plate is detachably connected to the lower slider.

9. The universal riser rail of claim 8 wherein the support balls are a clearance fit with the support ball cover plate.