CN210915138U

CN210915138U - Hydraulic lifting platform with locking mechanism

Info

Publication number: CN210915138U
Application number: CN201921838394.2U
Authority: CN
Inventors: 葛向东; 孙骄华
Original assignee: Suzhou Tianhong Hydraulic Lifting Machinery Co ltd
Current assignee: Suzhou Tianhong Hydraulic Lifting Machinery Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-03
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a hydraulic lifting platform with a locking mechanism, which comprises a lifting platform, a base, two first supporting arms, two second supporting arms, a fixed seat, a hydraulic cylinder, a push rod and a sliding block, wherein the two first supporting arms and the two second supporting arms are hinged in a crossed way, the lifting platform is arranged at the top parts of the two first supporting arms, the base is arranged at the bottom parts of the two second supporting arms, a sliding groove is arranged on the base, the fixed seat, the hydraulic cylinder, the push rod and the sliding block are all arranged in the sliding groove, the fixed seat is fixedly arranged at one end of the sliding groove, the top end of the fixed seat is hinged with one second supporting arm, the side edge of the fixed seat is provided with the hydraulic cylinder, the output end of the hydraulic cylinder is connected with the push rod, the push rod is connected with the sliding block, the top part of the sliding block is hinged, the rotary table is fixedly provided with a convex block, and the side edge of the convex block is provided with a limiting fixed block.

Description

Hydraulic lifting platform with locking mechanism

Technical Field

The utility model relates to a lifting device technical field specifically is a hydraulic lifting platform with locking mechanism.

Background

With the continuous development of the modern machine manufacturing industry and hydraulic technology, the requirements of social production on productivity are higher and higher, so that the hydraulic lifting platform with the advantages of compact structure, convenient operation, stable lifting and the like plays an extremely important role in the development of human society, industry and agriculture.

Among the prior art, after the lift platform that hydraulic lift platform will be equipped with the heavy object risees, whole hydraulic system's pressure is very big, will appear for a long time that the valve is closed untight, hydraulic line reveals, hydraulic drive plunger sealing failure's trouble, lead to hydraulic pressure mechanism work abnormal, there is the potential safety hazard, for this reason, it is necessary to develop a hydraulic lift platform with locking mechanism, after lifting the lift platform, use locking mechanism can hydraulic system break down the back lift platform and drop suddenly, avoid causing personnel's injury.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic pressure lift platform with locking mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic lifting platform with a locking mechanism comprises a lifting platform, a base, two first supporting arms, two second supporting arms, a fixed seat, a hydraulic cylinder, a pushing rod and a sliding block, wherein the two first supporting arms and the two second supporting arms are hinged in a crossed manner, the lifting platform is arranged at the tops of the two first supporting arms, the base is arranged at the bottoms of the two second supporting arms, a sliding groove is formed in the base, the fixed seat, the hydraulic cylinder, the pushing rod and the sliding block are all arranged in the sliding groove, the fixed seat is fixedly arranged at one end of the sliding groove, the top end of the fixed seat is hinged with one second supporting arm, the hydraulic cylinder is arranged at the side edge of the fixed seat, the pushing rod is connected with the output end of the hydraulic cylinder, the pushing rod is connected with the sliding block, the top of the sliding block is hinged with the other second supporting arm, a side face, and a limit fixing block is arranged on the side edge of the convex block.

As a preferred technical scheme, set up the rectangular shape that supplies the lug rotation in the middle of the bottom surface of base middle part sliding tray and lead to the groove, rectangular shape is equipped with a plurality of spacing draw-in grooves on leading to one side inner wall of groove, spacing draw-in groove uses with the cooperation of spacing fixed block.

As a preferred technical scheme of the utility model, the carousel passes through the rotation axis and rotates the side of installing at the sliding block, and the outstanding carousel of rotation axis and rotatory handle integrated into one piece.

As an optimized technical scheme of the utility model, sliding connection between sliding block and the sliding tray.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a carousel that sets up, the lug, spacing fixed block, rectangular shape leads to groove and spacing draw-in groove, it slides to extend the catch bar at the pneumatic cylinder and drive the sliding block, thereby when making lift platform rise, the rotatory handle of user, make the carousel rotate, cause during spacing fixed block on the carousel edge lug can block into spacing draw-in groove, thereby the position of fixed sliding block, prevent that hydraulic system from bearing the heavy object for a long time, break down, the sliding block slides in the slide groove, cause lift platform to drop, can avoid causing personnel's injury, improve equipment's security performance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a connection diagram of the sliding block and the base of the present invention;

fig. 3 is the clamping connection diagram of the limiting fixed block and the limiting clamping groove of the utility model.

In the figure: 1. a lifting platform; 2. a base; 3. a first support arm; 4. a second support arm; 5. a fixed seat; 6. a hydraulic cylinder; 7. a push rod; 8. a slider; 9. a sliding groove; 10. a turntable; 11. a bump; 12. a limit fixing block; 13. a strip-shaped through groove; 14. a limiting clamping groove; 15. the handle is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a hydraulic lifting platform with a locking mechanism comprises a lifting platform 1, a base 2, two first supporting arms 3, two second supporting arms 4, a fixed seat 5, a hydraulic cylinder 6, a push rod 7 and a sliding block 8, wherein the two first supporting arms 3 and the two second supporting arms 4 are hinged in a crossed manner, the lifting platform 1 is arranged at the tops of the two first supporting arms 3, the base 2 is arranged at the bottoms of the two second supporting arms 4, a sliding groove 9 is formed in the base 2, the fixed seat 5, the hydraulic cylinder 6, the push rod 7 and the sliding block 8 are all arranged in the sliding groove 9, the fixed seat 5 is fixedly arranged at one end of the sliding groove 9, the top end of the fixed seat is hinged with one second supporting arm 4, the hydraulic cylinder 6 is arranged at the side edge, the output end of the hydraulic cylinder 6 is connected with the push rod 7, the push rod 7 is connected with the sliding block 8, the top of the sliding block 8, and a side face, far away from the push rod 7, of the sliding block 8 is rotatably provided with a rotary disc 10, a convex block 11 is fixedly arranged on the rotary disc 10, and a limit fixed block 12 is arranged on the side edge of the convex block 11.

Further, a strip-shaped through groove 13 for the lug 11 to rotate is formed in the middle of the bottom surface of the sliding groove 9 in the middle of the base 2, a plurality of limiting clamping grooves 14 are formed in the inner wall of one side of the strip-shaped through groove 13, the limiting clamping grooves 14 are matched with the limiting fixing blocks 12 for use, and the limiting clamping grooves 14 are matched with the limiting fixing blocks 12 for use to have a locking function.

Further, the rotary disc 10 is rotatably installed on the side surface of the sliding block 8 through a rotating shaft, and the rotating shaft protrudes out of the rotary disc 10 and is integrally formed with the rotating handle 15, so that the rotation of the rotary disc 10 is conveniently controlled.

Further, the sliding block 8 is slidably connected with the sliding groove 9.

The working principle is as follows:

during the operation, the operation personnel open pneumatic cylinder 6, pneumatic cylinder 6 is the action of catch bar 7, make sliding block 8 and catch bar 7 synchronization action, cause lift platform 1 to rise, after lift platform 1 risees suitable height, the user is rotatory handle 15 again, carousel 10 rotates, lug 11 at carousel 10 edge drives spacing fixed block 12 card and advances spacing draw-in groove 14, play the effect of locking, fix sliding block 8 on a certain position of sliding tray 9, prevent that hydraulic system from bearing the heavy object for a long time, break down, sliding block 8 slides in sliding tray 9, cause lift platform 1 to drop, can avoid causing the injury of personnel, improve equipment's security performance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hydraulic lifting platform with a locking mechanism is characterized by comprising a lifting platform (1), a base (2), two first supporting arms (3), two second supporting arms (4), a fixing seat (5), a hydraulic cylinder (6), a push rod (7) and a sliding block (8), wherein the two first supporting arms (3) and the two second supporting arms (4) are hinged in a crossed manner, the lifting platform (1) is arranged at the tops of the two first supporting arms (3), the base (2) is arranged at the bottoms of the two second supporting arms (4), a sliding groove (9) is formed in the base (2), the fixing seat (5), the hydraulic cylinder (6), the push rod (7) and the sliding block (8) are all arranged in the sliding groove (9), the fixing seat (5) is fixedly arranged at one end of the sliding groove (9), and the top end of the fixing seat is hinged with one second supporting arm (4), pneumatic cylinder (6) are installed to the side, catch bar (7) are connected to the output of pneumatic cylinder (6), catch bar (7) link to each other with sliding block (8), another second support arm (4) of top hinge of sliding block (8), and sliding block (8) keep away from a side rotation of catch bar (7) and be provided with carousel (10), fixed lug (11) that are equipped with on carousel (10), spacing fixed block (12) are installed to the side of lug (11).

2. The hydraulic lifting platform with the locking mechanism is characterized in that an elongated through groove (13) for the rotation of the bump (11) is formed in the middle of the bottom surface of the sliding groove (9) in the middle of the base (2), a plurality of limiting clamping grooves (14) are formed in the inner wall of one side of the elongated through groove (13), and the limiting clamping grooves (14) are matched with the limiting fixing block (12) for use.

3. Hydraulic lifting platform with locking mechanism according to claim 1, characterized by that, the rotating disc (10) is installed on the side of the sliding block (8) by rotating shaft, and the rotating shaft protruding the rotating disc (10) is integrated with the rotating handle (15).

4. Hydraulic lifting platform with locking mechanism according to claim 1, characterized by the sliding connection between the sliding block (8) and the sliding groove (9).