CN213771193U

CN213771193U - Adjustable double-column lifter

Info

Publication number: CN213771193U
Application number: CN202022916254.1U
Authority: CN
Inventors: 强朝阳; 陈海东
Original assignee: Foshan Nanhai Yuanshan Automobile Equipment Co ltd
Current assignee: Foshan Nanhai Yuanshan Automobile Equipment Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-23
Anticipated expiration: 2030-12-08

Abstract

The utility model provides an adjustable twin columns machine of lifting. The adjustable double-column lifter comprises a base; the two upright posts are symmetrically and slidably mounted on the base; the sliding groove is formed in the upright post; the hydraulic cylinders are fixedly arranged in the corresponding sliding grooves; the sliding blocks are slidably mounted on the corresponding output shafts of the hydraulic cylinders, and one sides of the sliding blocks extend out of the corresponding sliding grooves; the connecting blocks are fixedly arranged on the corresponding sliding blocks; and the two support rods are symmetrically and rotatably arranged on the corresponding connecting blocks. The utility model provides an adjustable twin columns machine of lifting has convenient to use, is convenient for adjust two stands, use the little advantage of limitation.

Description

Adjustable double-column lifter

Technical Field

The utility model relates to a machine of lifting technical field especially relates to an adjustable twin columns machine of lifting.

Background

The double-column lifting machine is a special mechanical lifting device commonly used by automobile repair and maintenance units, and the double-column lifting machine is a main type of the lifting machine and is widely applied to the maintenance of cars and other small vehicles.

However, the traditional double-column lifter cannot adjust the distance between two upright columns, so that the use is inconvenient and the use limitation is large.

Therefore, there is a need to provide a new adjustable double-column lifter to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a convenient to use, be convenient for adjust, use the adjustable twin columns machine of lifting that the limitation is little to two stands.

In order to solve the technical problem, the utility model provides an adjustable twin columns machine of lifting includes: a base; the two upright posts are symmetrically and slidably mounted on the base; the sliding groove is formed in the upright post; the hydraulic cylinders are fixedly arranged in the corresponding sliding grooves; the sliding blocks are slidably mounted on the corresponding output shafts of the hydraulic cylinders, and one sides of the sliding blocks extend out of the corresponding sliding grooves; the connecting blocks are fixedly arranged on the corresponding sliding blocks; and the two support rods are symmetrically and rotatably arranged on the corresponding connecting blocks.

Preferably, a first cavity has been seted up on the base, symmetrical fixed mounting has two racks, two in the first cavity the bottom of stand all extends to in the first cavity, and the mounting groove has all been seted up to the bottom of two stands, the pivot is installed to the mounting groove internal rotation, fixed mounting has the straight-teeth gear in the pivot, the straight-teeth gear meshes with the rack that corresponds mutually.

Preferably, the second cavity has been seted up on the base, two in the one end of pivot all extends to the second cavity, equal fixed mounting has first bevel gear in two pivots, one rotate on the stand and install first dwang, another fixed mounting has rectangular piece on the stand, in one side of rectangular piece extended to the second cavity, rotate on the rectangular piece and install the second dwang, set up flutedly on the second dwang, the inner wall and the first dwang sliding connection of recess.

Preferably, one end of the first rotating rod and one end of the second rotating rod are fixedly provided with second bevel gears, and the second bevel gears are meshed with the corresponding first bevel gears.

Preferably, a motor is fixedly mounted on the long block, a third bevel gear is fixedly mounted on an output shaft of the motor, and the third bevel gear is meshed with the corresponding second bevel gear.

Preferably, two limiting grooves are symmetrically formed in the inner wall of the groove, two limiting blocks are symmetrically and fixedly mounted on the first rotating rod, and the limiting blocks are connected with the inner walls of the corresponding limiting grooves in a sliding mode.

Preferably, two through holes are symmetrically formed in the inner wall of the top of the first cavity, positioning rods are fixedly mounted in the through holes and are connected with the corresponding stand columns in a sliding mode.

Compared with the prior art, the utility model provides an adjustable twin columns machine of lifting has following beneficial effect:

the utility model provides an adjustable double-column lifter, two upright columns are symmetrically and slidably mounted on a base, sliding grooves are formed on the upright columns, hydraulic cylinders are fixedly mounted in corresponding sliding grooves, sliding blocks are slidably mounted on corresponding output shafts of the hydraulic cylinders, connecting blocks are fixedly mounted on corresponding sliding blocks, two supporting rods are symmetrically and rotatably mounted on corresponding connecting blocks to lift, a first cavity is formed on the base, two racks are symmetrically and fixedly mounted in the first cavity, the bottom ends of the two upright columns extend into the first cavity and are provided with mounting grooves, rotating shafts are rotatably mounted in the mounting grooves, straight gears are fixedly mounted on the rotating shafts, the straight gears are meshed with the corresponding racks to change the distance between the two upright columns, and the adjustment is convenient, and the use convenience is improved.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of an adjustable double-column lifting machine according to the present invention;

FIG. 2 is a side cross-sectional structural view of FIG. 1;

FIG. 3 is a schematic top cross-sectional view of the structure of FIG. 1;

fig. 4 is an enlarged view of a portion a shown in fig. 3.

Reference numbers in the figures: 1. a base; 2. a column; 3. a sliding groove; 4. a hydraulic cylinder; 5. a slider; 6. connecting blocks; 7. a support bar; 8. a first cavity; 9. a rack; 10. mounting grooves; 11. a rotating shaft; 12. a spur gear; 13. a second cavity; 14. a first bevel gear; 15. a first rotating lever; 16. a long bar block; 17. a second rotating lever; 18. a groove; 19. a second bevel gear; 20. a motor; 21. a third bevel gear.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1-4, an adjustable dual-column lift includes: a base 1; the two upright posts 2 are symmetrically and slidably arranged on the base 1; the sliding groove 3 is formed in the upright post 2; the hydraulic cylinders 4 are fixedly arranged in the corresponding sliding grooves 3; the sliding blocks 5 are arranged on the output shafts of the corresponding hydraulic cylinders 4 in a sliding mode, and one sides of the sliding blocks 5 extend out of the corresponding sliding grooves 3; the connecting blocks 6 are fixedly arranged on the corresponding sliding blocks 5; two bracing pieces 7, two bracing pieces 7 symmetry rotation are installed on corresponding connecting block 6.

Seted up first cavity 8 on the base 1, symmetry fixed mounting has two racks 9 in the first cavity 8, and in the bottom of two stands 2 all extended to first cavity 8, mounting groove 10 had all been seted up to the bottom of two stands 2, and pivot 11 is installed to the mounting groove 10 internal rotation, and fixed mounting has straight-teeth gear 12 on the pivot 11, and straight-teeth gear 12 meshes with corresponding rack 9 mutually.

The second cavity 13 has been seted up on base 1, the one end of two pivots 11 all extends to in the second cavity 13, equal fixed mounting has first conical gear 14 on two pivots 11, it installs first dwang 15 to rotate on 2 stands, fixed mounting has rectangular piece 16 on another stand 2, one side of rectangular piece 16 extends to in the second cavity 13, it installs second dwang 17 to rotate on the rectangular piece 16, set up recess 18 on the second dwang 17, the inner wall and the 15 sliding connection of first dwang of recess 18.

One end of each of the first rotating rod 15 and the second rotating rod 17 is fixedly provided with a second bevel gear 19, and the second bevel gear 19 is meshed with the corresponding first bevel gear 14.

The long block 16 is fixedly provided with a motor 20, an output shaft of the motor 20 is fixedly provided with a third bevel gear 21, and the third bevel gear 21 is meshed with the corresponding second bevel gear 19.

Two limiting grooves are symmetrically formed in the inner wall of the groove 18, two limiting blocks are symmetrically and fixedly mounted on the first rotating rod 15, and the limiting blocks are connected with the inner walls of the corresponding limiting grooves in a sliding mode.

Two through-holes have been seted up to the symmetry on the top inner wall of first cavity 8, and fixed mounting has the locating lever in the through-hole, locating lever and the 2 sliding connection of stand that correspond.

The utility model provides a pair of adjustable twin columns machine of lifting's theory of operation as follows:

during the use, make the vehicle be located between two stands 2, can lift the vehicle through four bracing pieces 7, when lifting, start two pneumatic cylinders 4 simultaneously, pneumatic cylinder 4 drives the motion of sliding block 5, and sliding block 5 drives the motion of connecting block 6, and connecting block 6 drives the motion of bracing piece 7, realizes lifting to the vehicle.

When the distance between two upright posts 2 needs to be adjusted, the motor 20 is started, the motor 20 drives the third bevel gear 21, the third bevel gear 21 drives one second bevel gear 19 to rotate, the second bevel gear 19 drives the second rotating rod 17 to rotate, the second rotating rod 17 drives the first rotating rod 15 to rotate, the first rotating rod 15 drives the other second bevel gear 19 to rotate, the two second bevel gears 19 drive the two first bevel gears 14 to rotate, the first bevel gear 14 drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the straight gear 12 to rotate, the straight gear 12 drives the two upright posts 2 to move towards the directions close to each other under the cooperation of the rack 9, the distance between the two upright posts is changed, the adaptability is improved, and the use limitation is reduced.

Compared with the prior art, the utility model provides a pair of adjustable twin columns machine of lifting has following beneficial effect:

the utility model provides an adjustable twin columns machine of lifting, 2 symmetrical slidable mounting of two stands are on base 1, and sliding tray 3 is seted up on stand 2, and 4 fixed mounting of pneumatic cylinder are in the sliding tray 3 that corresponds, and 5 slidable mounting of sliding block are on the output shaft of the pneumatic cylinder 4 that corresponds, and 6 fixed mounting of connecting block are on the sliding block 5 that corresponds, and two bracing piece 7 symmetrical rotation are installed on the connecting block 6 that corresponds, can lift. First cavity 8 has been seted up on base 1, and symmetrical fixed mounting has two racks 9 in the first cavity 8, and the bottom of two stands 2 all extends to in the first cavity 8 and has seted up mounting groove 10, and pivot 11 is installed to the mounting groove 10 internal rotation, and fixed mounting has straight-teeth gear 12 on the pivot 11, and straight-teeth gear 12 meshes with the rack 9 that corresponds mutually, can change the distance between two stands 2, and adjusts the convenience, has improved the convenience in use.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an adjustable twin columns machine of lifting which characterized in that includes:

a base;

the two upright posts are symmetrically and slidably mounted on the base;

the sliding groove is formed in the upright post;

the hydraulic cylinders are fixedly arranged in the corresponding sliding grooves;

the sliding blocks are slidably mounted on the corresponding output shafts of the hydraulic cylinders, and one sides of the sliding blocks extend out of the corresponding sliding grooves;

the connecting blocks are fixedly arranged on the corresponding sliding blocks;

and the two support rods are symmetrically and rotatably arranged on the corresponding connecting blocks.

2. The adjustable double-column lifting machine according to claim 1, wherein a first cavity is formed in the base, two racks are symmetrically and fixedly mounted in the first cavity, the bottom ends of the two upright columns extend into the first cavity, mounting grooves are formed in the bottom ends of the two upright columns, rotating shafts are rotatably mounted in the mounting grooves, straight gears are fixedly mounted on the rotating shafts, and the straight gears are meshed with the corresponding racks.

3. The adjustable twin columns lifting machine of claim 2, wherein a second cavity is provided on the base, two ends of the rotating shafts extend into the second cavity, a first bevel gear is fixedly mounted on each of the two rotating shafts, a first rotating rod and a second rotating rod are rotatably mounted on the stand, a strip block is fixedly mounted on the stand, one side of the strip block extends into the second cavity, a second rotating rod is rotatably mounted on the strip block, a groove is provided on the second rotating rod, and the inner wall of the groove is connected with the first rotating rod in a sliding manner.

4. The adjustable double-column lifter according to claim 3, wherein one ends of the first rotating rod and the second rotating rod are fixedly provided with second bevel gears, and the second bevel gears are meshed with the corresponding first bevel gears.

5. The adjustable double-column lifting machine according to claim 3, wherein a motor is fixedly mounted on the bar block, a third bevel gear is fixedly mounted on an output shaft of the motor, and the third bevel gear is meshed with a corresponding second bevel gear.

6. The adjustable double-column lifting machine according to claim 3, wherein two limiting grooves are symmetrically formed in the inner wall of the groove, two limiting blocks are symmetrically and fixedly mounted on the first rotating rod, and the limiting blocks are connected with the inner walls of the corresponding limiting grooves in a sliding mode.

7. The adjustable double-column lifting machine according to claim 2, wherein two through holes are symmetrically formed in the inner wall of the top of the first cavity, positioning rods are fixedly mounted in the through holes and are in sliding connection with corresponding upright columns.