CN210393626U

CN210393626U - Movable scissor type hydraulic lift

Info

Publication number: CN210393626U
Application number: CN201921088614.4U
Authority: CN
Inventors: 吴维明
Original assignee: Suzhou Sanding Elevator Co ltd
Current assignee: Suzhou Sanding Elevator Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-04-24
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a movable scissor type hydraulic lift, which comprises a lift base, a movable roller, a scissor fork lower arm positioning shaft, a scissor fork upper arm positioning shaft, a scissor fork arm, an anti-skid foot pad, an upper support plate, a screw rod, a driving motor and a screw rod fixing seat, wherein the two sides of the bottom of the scissor fork arm are respectively provided with the scissor fork lower arm positioning shaft, the two sides of the top of the scissor fork arm are respectively provided with the scissor fork upper arm positioning shaft, the middle position of the scissor fork lower arm positioning shaft is provided with the screw rod nut matched with the screw rod, the edge positions of the two ends of the top surface of the lift base are respectively provided with a side plate, the two sides of the side plates are respectively provided with a lower positioning shaft mounting chute, the middle position of the top surface of the lift base is welded with two screw rod fixing seats, the utility model drives the operation by two driving motors, thereby the time required for the upper support plate to reach the highest position by the lowest position is reduced by, the lifting efficiency of the lifter is improved.

Description

Movable scissor type hydraulic lift

Technical Field

The utility model relates to the technical field of elevators, specifically be a remove and cut fork hydraulic lift.

Background

A scissor lift is special equipment for overhead operation with wide application. The shearing fork mechanical structure of the lifting platform has higher stability, a wide operation platform and higher bearing capacity, and enables the aerial work range to be larger and the lifting platform to be suitable for simultaneous operation of multiple persons. It makes work efficiency higher, and the safety is more ensured.

The existing scissor lift is generally realized by adopting a hydraulic system to drive a hydraulic cylinder to stretch when taking off and landing, so that the taking off and landing speed is slow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a remove and cut fork hydraulic lift to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a movable scissor type hydraulic elevator comprises an elevator base, a movable roller, a scissor arm lower positioning shaft, a scissor arm upper positioning shaft, a scissor arm, an anti-skidding foot pad, an upper support plate, a screw rod, a driving motor and screw rod fixing seats, wherein the two sides of the bottom of the scissor arm are respectively provided with the scissor arm lower positioning shaft, the two sides of the top of the scissor arm are respectively provided with the scissor arm upper positioning shaft, the middle position of the scissor arm lower positioning shaft is provided with a screw rod nut matched with the screw rod, the edge positions of the two ends of the top surface of the elevator base are respectively provided with a side plate, the two sides of the side plate are respectively provided with a lower positioning shaft mounting chute, the middle position of the top surface of the elevator base is welded with two screw rod fixing seats, the scissor arm is mounted between the two side plates, and the two ends of the scissor arm lower positioning shaft are respectively inserted into the lower positioning shaft mounting chutes on the two side plates, the lead screw penetrates through the lead screw nut and is fixedly connected with the lead screw fixing seat, two driving motors are respectively arranged on two sides of the top surface of the elevator base, and output shafts of the driving motors are connected with the lead screw through couplers.

Preferably, go up the lower part both sides of backup pad and respectively seted up location axle mounting groove, two upper portions of going up the one end that location axle mounting groove is close to mutually are provided with positioning groove, go up the backup pad and install at the top of cutting the fork arm, and cut the fork arm on the fork arm of cutting the fork arm location axle peg graft in the inside of last location axle mounting groove.

Preferably, an anti-skidding foot pad is arranged on the top surface of the upper supporting plate, and the lead screw nut is connected with the lower positioning shaft of the scissor arm in a welding mode.

Preferably, the bottom surface of the elevator base is equidistantly welded and fixed with moving rollers, the hydraulic buffer is fixedly installed on the surface of the elevator base between the two screw rod fixing seats through bolts, the top of the hydraulic buffer is welded with a sleeve, and the sleeve is sleeved on the surface of a rotating shaft on the scissor arm.

Preferably, the two side plates and the elevator base are of an integrated structure, and the driving motor is fixedly connected with the elevator base through screws.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the two driving motors are used for driving the operation, so that the time required by the upper supporting plate to reach the highest position from the lowest position is reduced by half, and the lifting efficiency of the lifter is improved.

2. After the upper supporting plate reaches the maximum rising height, the positioning shaft can be automatically clamped into the positioning clamping groove on the shearing fork arm, then the shearing fork arm is locked, even if the driving motor is completely out of work, the upper supporting plate cannot be easily lowered, and the safety of the device is improved.

3. The hydraulic buffer can buffer in the lifting process of the rotating shaft of the scissor arm, and when the upper supporting plate is sharply lowered, the hydraulic buffer can reduce the lowering speed, so that the safety performance of the device is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic structural view of the elevator base of the present invention;

fig. 3 is a schematic structural view of the scissors arm of the present invention.

In the figure: 1. an elevator base; 2. moving the roller; 3. a lower positioning shaft of the scissor arm; 4. a positioning shaft is arranged on the scissor fork arm; 5. an upper positioning shaft mounting groove; 6. positioning the clamping groove; 7. a scissor arm; 8. anti-skid foot pads; 9. an upper support plate; 10. the lower positioning shaft is provided with a chute; 11. a screw rod; 12. a feed screw nut; 13. a drive motor; 14. a side plate; 15. a screw rod fixing seat; 16. a hydraulic buffer; 17. a sleeve.

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.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a mobile scissor type hydraulic lift includes a lift base 1, a mobile roller 2, a scissor arm lower positioning shaft 3, a scissor arm upper positioning shaft 4, a scissor arm 7, an anti-slip foot pad 8, an upper support plate 9, a lead screw 11, a driving motor 13 and a lead screw fixing seat 15, wherein two sides of the bottom of the scissor arm 7 are respectively provided with the scissor arm lower positioning shaft 3, two sides of the top of the scissor arm 7 are respectively provided with the scissor arm upper positioning shaft 4, a lead screw nut 12 matched with the lead screw 11 is arranged at the middle position of the scissor arm lower positioning shaft 3, two side plates 14 are respectively arranged at the edge positions of the two ends of the top surface of the lift base 1, two lower positioning shaft mounting chutes 10 are respectively arranged at the two sides of the side plates 14, two lead screw fixing seats 15 are welded at the middle position of the top surface of the lift base 1, the scissor arm 7 is installed between two side plates 14, two ends of a lower positioning shaft 3 of the scissor arm are inserted into the lower positioning shaft installation chutes 10 on the two side plates 14 respectively, a screw rod 11 penetrates through a screw rod nut 12 and is fixedly connected with a screw rod fixing seat 15, two driving motors 13 are arranged on two sides of the top surface of the elevator base 1 respectively, and output shafts of the driving motors 13 are connected with the screw rod 11 through couplers.

Referring to fig. 1 and 2, two sides of the lower portion of the upper support plate 9 are respectively provided with an upper positioning shaft mounting groove 5, the upper portion of one end of each of the two upper positioning shaft mounting grooves 5, which is close to the upper positioning shaft mounting groove, is provided with a positioning clamping groove 6, the upper support plate 9 is mounted on the top of the scissors arm 7, and the scissors arm upper positioning shaft 4 of the scissors arm 7 is inserted into the upper positioning shaft mounting groove 5.

Referring to fig. 1 and 2, an anti-skid foot pad 8 is disposed on the top surface of the upper support plate 9, and a lead screw nut 12 is connected with the lower positioning shaft 3 of the scissor arm by welding.

Referring to fig. 1, 2 and 3, the moving rollers 2 are welded and fixed on the bottom surface of the elevator base 1 at equal intervals, the hydraulic buffer 16 is fixedly installed on the surface of the elevator base 1 between the two lead screw fixing seats 15 through bolts, the sleeve 17 is welded on the top of the hydraulic buffer 16, and the sleeve 17 is sleeved on the surface of the rotating shaft on the scissor arm 7.

Referring to fig. 1 and 3, two side plates 14 are integrated with the elevator base 1, and the driving motor 13 is fixedly connected to the elevator base 1 through screws.

The utility model discloses a theory of operation and use flow: when the utility model is used, the driving motor 13 needs to be connected with an external power supply and a controller, when the device needs to be lifted, the driving motors 13 on two sides drive the screw rod 11 to rotate clockwise, the lower positioning shafts 3 of the two scissor arms are drawn close to each other by the thrust brought by the screw rod nut 12, so that the upper supporting plate 9 is lifted upwards, in the process of lifting the upper supporting plate 9 upwards, the upper positioning shafts 4 of the two scissor arms can slide and draw close to each other in the upper positioning shaft mounting groove 5, after the upper supporting plate 9 reaches the maximum lifting height, the upper positioning shafts 4 of the scissor arms can be automatically clamped into the positioning clamping grooves 6, so as to lock the scissor arms 7, even if the driving motors 13 are completely out of work, the upper supporting plate 9 can not be easily lowered, the safety of the device is improved by the mode, when the device needs to be lowered, an upward force needs to be applied to the upper supporting plate 9 manually, make on the scissors arm location axle 4 break away from positioning groove 6, later driving motor 13 drives lead screw 11 and carries out anticlockwise rotation, thereby will go up backup pad 9 and descend, drive the operation through two driving motor 13, thereby make and go up backup pad 9 and reduce by half by the time that the extreme low position reached the highest position required, the lift efficiency of lift has been improved, hydraulic buffer 16 can cushion at the lift in-process of the pivot of scissors arm 7, when taking place sharp decline at last backup pad 9, hydraulic buffer 16 can reduce the rate of descent, be favorable to improving the security performance of device.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a remove and cut fork hydraulic lift, includes lift base (1), removal gyro wheel (2), cuts fork arm lower location axle (3), cuts fork arm upper location axle (4), cuts fork arm (7), anti-skidding callus on the sole (8), goes up backup pad (9), lead screw (11), driving motor (13), lead screw fixing base (15) and hydraulic buffer (16), its characterized in that: the bottom two sides of the scissor arm (7) are respectively provided with a lower positioning shaft (3) of the scissor arm, the top two sides of the scissor arm (7) are respectively provided with an upper positioning shaft (4) of the scissor arm, the middle position of the lower positioning shaft (3) of the scissor arm is provided with a screw nut (12) matched with a screw rod (11), the edge positions of the two ends of the top surface of the elevator base (1) are respectively provided with a side plate (14), the two sides of the side plate (14) are respectively provided with a lower positioning shaft installation sliding chute (10), the middle position of the top surface of the elevator base (1) is welded with two screw rod fixing bases (15), the scissor arm (7) is installed between the two side plates (14), and the two ends of the lower positioning shaft (3) of the scissor arm are respectively inserted into the lower positioning shaft installation sliding chutes (10) on the two side plates (14), the lead screw (11) penetrates through the lead screw nut (12) and is fixedly connected with the lead screw fixing seat (15), two driving motors (13) are respectively arranged on two sides of the top surface of the elevator base (1), and output shafts of the driving motors (13) are connected with the lead screw (11) through couplers.

2. A mobile scissor hydraulic lift according to claim 1, wherein: go up the lower part both sides of backup pad (9) and respectively seted up location axle mounting groove (5), the upper portion of the one end that location axle mounting groove (5) are close to mutually on two is provided with positioning channel groove (6), go up backup pad (9) and install at the top of cutting fork arm (7), and cut fork arm of cutting fork arm (7) and go up location axle (4) and peg graft in the inside of last location axle mounting groove (5).

3. A mobile scissor hydraulic lift according to claim 1, wherein: the anti-skidding foot mat (8) is arranged on the top surface of the upper supporting plate (9), and the lead screw nut (12) is connected with the lower positioning shaft (3) of the scissor fork arm in a welding mode.

4. A mobile scissor hydraulic lift according to claim 1, wherein: the bottom of lift base (1) is equidistant welded fastening has removal gyro wheel (2) on the surface, hydraulic buffer (16) pass through bolt fixed mounting on the surface of lift base (1) between two lead screw fixing bases (15), the top welding of hydraulic buffer (16) has sleeve (17), and sleeve (17) suit is on the surface of the pivot on cutting yoke (7).

5. A mobile scissor hydraulic lift according to claim 1, wherein: two side board (14) and lift base (1) formula structure as an organic whole, driving motor (13) pass through screw and lift base (1) fixed connection.