CN214734134U

CN214734134U - Hydraulic elevator with protection function

Info

Publication number: CN214734134U
Application number: CN202120341549.2U
Authority: CN
Inventors: 孙庆云
Original assignee: Zhejiang Bolei Paint Co ltd
Current assignee: Zhejiang Bolei Paint Co ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-11-16
Anticipated expiration: 2031-02-06

Abstract

The utility model discloses a hydraulic lift with protect function, the on-line screen storage device comprises a base, a serial communication port, base both sides fixedly connected with backup pad, the base articulates there is first support arm, it is connected with the second support arm alternately and rotate on the first support arm, second support arm lower extreme and backup pad are equipped with slide mechanism one, be equipped with locking device on the slide mechanism one, base both sides fixedly connected with support column, be equipped with the chucking device between support column and the base, the upper end of second support arm articulates there is lift platform, the upper end and the lift platform of first support arm are equipped with slide mechanism two, it has hydraulic push rod to articulate between first support arm and the second support arm. After appointed height was reached in the lifting in this lift use, when meetting to have a power failure or the hydraulic pump goes wrong, prevented that lift platform from directly sinking, effectively prevented the appearance of incident.

Description

Hydraulic elevator with protection function

Technical Field

The utility model relates to a hydraulic lift technical field, in particular to hydraulic lift with protect function.

Background

The hydraulic lift mainly realizes the lifting function through the pressure transmission of hydraulic oil and can be divided into a fixed type, a movable type, a guide rail type, a crank arm type, a scissor fork type, a chain type, a loading and unloading platform and the like.

When the lift lifts lift platform to certain height, appear suddenly and have a power failure or when the hydraulic pump goes wrong, lift platform appears the holding power, and lift platform can be quick descend this time to article on the lift platform are possible to drop, perhaps personnel take place to fall down, cause great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hydraulic lift with protect function, lifting to appointed high back in this lift use, when meetting to have a power failure or the hydraulic pump goes wrong, prevents that lift platform from directly sinking, effectively prevents the appearance of incident.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a hydraulic lift with protect function, includes the base, its characterized in that, base both sides fixedly connected with backup pad, the base articulates there is first support arm, it is connected with the second support arm to cross and rotate on the first support arm, second support arm lower extreme and backup pad are equipped with sliding mechanism one, the last locking device that is equipped with of sliding mechanism, base both sides fixedly connected with support column, be equipped with chucking device between support column and the base, the upper end of second support arm articulates there is lift platform, the upper end of first support arm is equipped with sliding mechanism two with lift platform, it has hydraulic push rod to articulate between first support arm and the second support arm.

Adopt above-mentioned technical scheme, hydraulic push rod drives first support arm and second support arm rotation and with the lifting platform up lifting through the extension, and slide mechanism one and slide mechanism two can all make the one end of first support arm and second support arm remove, and lifting platform is lifted to appointed high back, utilize locking device to block first moving mechanism, and chucking device blocks lifting platform on the support column, effectively prevents that lifting platform from falling down when hydraulic push rod breaks down.

Preferably, the first sliding mechanism comprises a cylinder and a sliding groove, the cylinder is fixedly connected with the lower end of the second support arm, the sliding groove is located on the side face, facing the second support arm, of the support plate, the cylinder is clamped in the sliding groove, and the cylinder slides in the sliding groove.

By adopting the technical scheme, the lower end of the second support arm can move along the direction of the sliding groove, and the lifting platform is lifted in the moving process.

Preferably, the locking device comprises a motor, a screw rod, a moving block and a clamping plate, a groove is formed in the base, the screw rod is rotatably connected in the groove, an output shaft of the motor is fixedly connected with the screw rod, the moving block is clamped in the groove, the moving block is in threaded connection with the screw rod, the clamping plate is located behind the lower end of the second support arm, and the clamping plate is fixedly connected with the moving block.

Adopt above-mentioned technical scheme, it is rotatory that the lead screw is driven through positive and negative rotation to the motor to drive movable block and cardboard back-and-forth movement, the lower extreme of second support arm removes along the direction of spout and gets up the lifting platform lifting, the cardboard supports the lower extreme of second support arm and then moves together, the cardboard supports the lower extreme of second support arm, when effectively preventing hydraulic push rod from breaking down, second support arm lower extreme slides back and leads to the lifting platform whereabouts.

Preferably, the clamping device comprises a square hole, an air cylinder, a clamping block and an inductor, the square hole is located on the lifting platform, the supporting column penetrates through the square hole, the air cylinder is fixedly connected below the lifting platform, the clamping block is fixedly connected with an output shaft of the air cylinder, a clamping groove is formed in the side face of the supporting column, and the inductor is fixedly connected below the lifting platform.

By adopting the technical scheme, after the lifting platform is lifted to the designated position, the sensor detects the position of the clamping groove, the cylinder is started at the moment, and the cylinder drives the clamping block to be clamped into the clamping groove, so that the lifting platform is clamped on the supporting column.

Preferably, four rollers with brakes are installed below the base.

By adopting the technical scheme, the roller can facilitate the movement of the whole hydraulic lifter.

Preferably, the base is provided with a push handle at the front and the back.

By adopting the technical scheme, when the hydraulic elevator is moved, one person pulls at the front and the other person pushes at the back, so that the hydraulic elevator is more convenient to move.

Preferably, a rubber pad is fixedly connected to the pushing handle.

Adopt above-mentioned technical scheme, the rubber pad texture is soft, and the surface is crude effectively increases frictional force, prevents to skid.

Preferably, the second sliding mechanism comprises a T-shaped block, the T-shaped block is hinged to the upper end of the first supporting arm, a T-shaped groove is formed in the lower face of the lifting platform, and the T-shaped block is clamped in the T-shaped groove.

By adopting the technical scheme, the T-shaped block slides in the T-shaped groove, so that the upper end of the first supporting arm can slide.

Drawings

FIG. 1 is a perspective view of the utility model;

fig. 2 is a schematic structural view of the clamping device of the present invention.

Reference numerals: 1. a base; 2. a support plate; 3. a first support arm; 4. a second support arm; 5. a first sliding mechanism; 6. a second sliding mechanism; 7. a clamping device; 8. a hydraulic push rod; 9. a chute; 10. a cylinder; 11. a locking device; 12. a motor; 13. a screw rod; 14. a moving block; 15. clamping a plate; 16. a support pillar; 17. a square hole; 18. a cylinder; 19. a clamping block; 20. a card slot; 21. an inductor; 22. a roller; 23. and (6) pushing the hand.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 2, a hydraulic lift with protect function, including base 1, base 1 both sides fixedly connected with backup pad 2, base 1 articulates there is first support arm 3, cross and rotate on first support arm 3 and be connected with second support arm 4, 4 lower extremes of second support arm and backup pad 2 are equipped with 5 slide mechanism 5 and include cylinder 10 and spout 9, cylinder 10 and the lower extreme fixed connection of second support arm 4, spout 9 is located backup pad 2 towards the side of second support arm 4, cylinder 10 card is in spout 9, and cylinder 10 slides in spout 9, the lower extreme of second support arm 4 can remove along the direction of spout 9, lift up lift platform at the removal in-process.

A clamping block 19 of the locking device 11 is arranged behind the lower end of the second support arm 4, the locking device 11 comprises a motor 12, a screw rod 13, a moving block 14 and a clamping plate 15, a groove is arranged on the base 1, the screw rod 13 is rotatably connected in the groove, an output shaft of the motor 12 is fixedly connected with the screw rod 13, the moving block 14 is clamped in the groove, the moving block 14 is in threaded connection with the screw rod 13, the clamping plate 15 is arranged behind the lower end of the second support arm 4, the motor 12 drives the screw rod 13 to rotate through positive and negative rotation, thereby drive movable block 14 and cardboard 15 back-and-forth movement, when the lower extreme of second support arm 4 removed along the direction of spout 9 and lift platform, cardboard 15 supports the lower extreme of second support arm 4 and then removes together, cardboard 15 supports the lower extreme of second support arm 4, when effectively preventing hydraulic push rod 8 from breaking down, the lower extreme of second support arm 4 slides back and leads to the lift platform whereabouts.

Base 1 both sides fixedly connected with support column 16, be equipped with chucking device 7 between support column 16 and the base 1, chucking device 7 includes square hole 17, cylinder 18, fixture block 19 and inductor 21, square hole 17 is located lift platform, support column 16 passes square hole 17, cylinder 18 fixed connection is in lift platform's below, fixture block 19 and 18 output shaft fixed connection of cylinder, support column 16 side is equipped with draw-in groove 20, inductor 21 fixed connection is below lift platform, lift platform risees behind the assigned position, inductor 21 detects the position of draw-in groove 20, at this moment start cylinder 18, cylinder 18 drives fixture block 19 card and advances in draw-in groove 20, make lift platform card on support column 16.

The upper end of second support arm 4 articulates there is lift platform, and the upper end of first support arm 3 is equipped with second 6 of slide mechanism with lift platform, and second 6 of slide mechanism includes T type piece 25, and T type piece 25 is articulated with first support arm 3 upper end, is equipped with T type groove 26 below the lift platform, and T type piece 25 card is in T type groove 26, and T type piece 25 slides in T type groove 26 for first support arm 3 upper end can slide.

Articulated between first support arm 3 and the second support arm 4 have hydraulic rod 8, hydraulic rod 8 drives lift platform and goes up and down, four gyro wheels 22 that have the brake are installed to base 1 below, gyro wheel 22 can make things convenient for whole hydraulic lift to remove, install pushing hands 23 around the base 1, fixedly connected with rubber pad on the pushing hands 23, the rubber pad texture is soft, the coarse effective increase frictional force in surface, prevent to skid, when removing hydraulic lift, one person pulls in the front, another pushes away behind, it is more convenient to remove.

Utility model's theory of operation: hydraulic rod 8 is through the extension, it is rotatory and with lift platform up to drive first support arm 3 and second support arm 4, and the upper end of first support arm 3 is passed through T type piece 25 and is removed in T type groove 26, one = the lower extreme of second support arm 4 removes in spout 9 through cylinder 10, and lift platform is lifted behind the appointed height, starting motor 12, it blocks the lower extreme of second support arm 4 to drive fixture block 19, and start cylinder 18 drives fixture block 19 card and goes into draw-in groove 20, with lift platform card on support column 16, effectively prevent lift platform and fall down when hydraulic rod 8 breaks down.

Claims

1. A hydraulic lifter with a protection function comprises a base (1) and is characterized in that, the two sides of the base (1) are fixedly connected with supporting plates (2), the base (1) is hinged with a first supporting arm (3), the first support arm (3) is crossed and is rotationally connected with a second support arm (4), the lower end of the second support arm (4) and the support plate (2) are provided with a first sliding mechanism (5), a locking device (11) is arranged on the first sliding mechanism (5), supporting columns (16) are fixedly connected with the two sides of the base (1), a clamping device (7) is arranged between the supporting column (16) and the base (1), the upper end of the second support arm (4) is hinged with a lifting platform, the upper end of the first support arm (3) and the lifting platform are provided with a second sliding mechanism (6), a hydraulic push rod (8) is hinged between the first support arm (3) and the second support arm (4).

2. A hydraulic elevator with protection function according to claim 1, characterized in that the first sliding mechanism (5) comprises a cylinder (10) and a sliding slot (9), the cylinder (10) is fixedly connected with the lower end of the second support arm (4), the sliding slot (9) is located on the side of the support plate (2) facing the second support arm (4), the cylinder (10) is clamped in the sliding slot (9), and the cylinder (10) slides in the sliding slot (9).

3. The hydraulic elevator with the protection function according to claim 2, wherein the locking device (11) comprises a motor (12), a lead screw (13), a moving block (14) and a clamping plate (15), a groove is formed in the base (1), the lead screw (13) is rotatably connected in the groove, an output shaft of the motor (12) is fixedly connected with the lead screw (13), the moving block (14) is clamped in the groove, the moving block (14) is in threaded connection with the lead screw (13), the clamping plate (15) is located behind the lower end of the second support arm (4), and the clamping plate (15) is fixedly connected with the moving block (14).

4. The hydraulic elevator with the protection function according to claim 3, wherein the clamping device (7) comprises a square hole (17), an air cylinder (18), a clamping block (19) and a sensor (21), the square hole (17) is located on the lifting platform, the supporting column (16) penetrates through the square hole (17), the air cylinder (18) is fixedly connected below the lifting platform, the clamping block (19) is fixedly connected with an output shaft of the air cylinder (18), a clamping groove (20) is arranged on the side surface of the supporting column (16), and the sensor (21) is fixedly connected below the lifting platform.

5. Hydraulic elevator with protection function according to claim 4, characterized in that four rollers (22) with brakes are mounted under the base (1).

6. Hydraulic elevator with protection function according to claim 5, characterized in that the base (1) is equipped with push handles (23) at the front and back.

7. The hydraulic elevator with protection function as claimed in claim 6, characterized in that a rubber pad is fixedly connected to the pushing handle (23).

8. The hydraulic elevator with the protection function according to claim 7, characterized in that the second sliding mechanism (6) comprises a T-shaped block (25), the T-shaped block (25) is hinged with the upper end of the first support arm (3), a T-shaped groove (26) is arranged below the lifting platform, and the T-shaped block (25) is clamped in the T-shaped groove (26).