CN216687373U

CN216687373U - Safety elevator with anti-falling structure

Info

Publication number: CN216687373U
Application number: CN202122949979.5U
Authority: CN
Inventors: 李治国; 高玉明; 宋松
Original assignee: Jinan Jinyuan Construction Machinery Co ltd
Current assignee: Shaanxi Jian'an Libo Construction Engineering Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-06-07
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to the technical field of elevators. The utility model discloses a safety elevator with an anti-falling structure, which comprises scissor arms, insertion rods, hydraulic rods, sleeves, a motor, a sleeve plate and a supporting plate, wherein the hydraulic rods are arranged between the scissor arms, the outer wall of the upper end of each hydraulic rod is provided with a connecting ring, the lower end of the connecting ring is provided with the insertion rods, the outer wall of each hydraulic rod is sleeved with the corresponding sleeve, the inner part of each sleeve is provided with a stroke port and a jack, the upper end of each jack is embedded with a sealing ring, the outer wall of each sleeve is sleeved with the corresponding sleeve plate in a sliding manner, the inner wall of each sleeve plate is provided with the supporting plate, the outer wall of each sleeve plate is provided with a mounting plate and a fixing plate, the upper end of each mounting plate is provided with the motor, and the lower end of the motor is provided with a screw rod. The sleeve motor drives the support plate to move in the sleeve to support the bottom of the inserted rod extending along with the hydraulic rod, and the shear fork arm is stabilized when the hydraulic rod is damaged or falls beyond a load bearing capacity, so that the safety of the elevator is higher.

Description

Safety elevator with anti-falling structure

Technical Field

The utility model relates to the technical field of elevators, in particular to a safety elevator with an anti-falling structure.

Background

When working aloft, in order to ensure good construction environment for workers and effectively construct high-altitude operation, a lifter is generally used for driving a screw rod worker to carry out the high-altitude operation. The elevator can be divided into a fixed type, a movable type, a guide rail type, a crank arm type, a scissor type, a chain type, a loading and unloading platform and the like.

The scissor lift is divided into a movable scissor lift and a fixed scissor lift; the movable type is divided into three major types, namely a traction type, a self-walking manual traction type and a full self-walking type. Meanwhile, the scissor-fork type lifter can be divided into a scissor-fork type large-wheel lifter and a scissor-fork type small-wheel lifter due to different use environments. The scissor-fork type large-wheel lifter is suitable for outdoor operations such as factories, plants, workshops and repair gantry cranes, and the scissor-fork type small-wheel lifter is light in weight, attractive in appearance and suitable for high-grade indoor places such as municipal enterprises and hotel auditoriums.

Shear type lift makes through hydraulic means and cuts the vertical lifting of fork arm in the use, and hydraulic means exists the supporting load, when lift platform's weight surpassed the load or when hydraulic means trouble, can lead to cutting the sudden drop of fork arm, causes the injury to the staff of elevating platform upper end easily, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safety elevator with a falling prevention structure, so as to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a structure security lift with prevent falling, includes scissor arm, inserted bar, hydraulic stem, sleeve pipe, motor, lagging and backup pad, be provided with the hydraulic stem that the equidistance distributes between the scissor arm, hydraulic stem upper end outer wall is provided with the go-between, the go-between lower extreme is provided with the inserted bar that the equidistance distributes, the sleeve pipe has been cup jointed to the hydraulic stem outer wall, the inside stroke mouth and the jack of lining up each other of seting up of cover, the sealing washer is installed in the inside embedding in jack upper end, the lagging has been cup jointed in the slip of sleeve pipe outer wall, the lagging inner wall is provided with the backup pad that the equidistance distributes, the lagging outer wall is provided with mounting panel and fixed plate respectively, the mounting panel upper end is provided with the motor, the motor lower extreme is provided with the lead screw.

Preferably, the connecting ring is connected with the scissors arm. The sleeve coupling ring enables the inserted link to effectively support the deployed scissor arms.

Preferably, the lower end of the inserted rod is inserted in the sealing ring in a sliding mode. The stable sliding insertion of the inserted bar is inserted in the insertion hole through the sealing ring, so that the stability of the inserted bar in the moving process is guaranteed.

Preferably, the supporting plate is internally provided with a positioning groove, and the lower end of the inserted bar corresponds to the positioning groove. The bottom of the inserted bar is positioned through the positioning groove, and the supporting effect on the inserted bar is better.

Preferably, the screw hole has been seted up to the lagging inside, the bearing is all installed in the inside embedding of mounting panel and fixed plate, lead screw one end is rotated and is pegged graft inside the bearing, lead screw one end is rotated and is pegged graft inside the screw hole. Through low pole, rotate and peg graft inside screw and bearing, drive the lagging and slide at the sleeve pipe outer wall, drive the backup pad and carry out the bottom sprag to the inserted bar, the inserted bar carries out extra support to the scissors fork arm.

Preferably, one end of the support plate is positioned inside the insertion hole. Move through the backup pad and peg graft inside the jack, realize moving inside journey mouth and jack.

Preferably, one end of the fixing plate is connected with the scissor arm. The rotation of one end of the screw rod is more stable through the fixing plate.

Compared with the prior art, the utility model has the beneficial effects that: the utility model drives the screw rod to rotate in the screw hole by the rotation of the motor through the matching of the screw rod of the motor, the sleeve plate slides on the outer wall of the sleeve, the sleeve plate slides in the inner wall of the sleeve through the matching of the inserted rod and the connecting ring, one end of the hydraulic rod extends to drive the scissor arm to longitudinally lift, the connecting ring connected with one end of the inserted rod moves along with the sleeve plate of the scissor arm, the inserted rod moves in the jack, when the scissor arm drives the lifting platform to reach a specified position, the sleeve plate drives the supporting plate to be positioned at the lower end of the inserted rod, so that the lower end of the inserted rod is butted in the positioning groove to support the bottom of the inserted rod, and the supporting force acts on the scissor arm through the connecting ring, thereby avoiding the problems that a hydraulic device is damaged or the hydraulic device suddenly drops over a bearing load to cause the injury of a worker, when the hydraulic rod is extruded and suddenly contracts, the supporting plate limits the contracted hydraulic rod, the inserted rod plays a role of supporting the scissor arm, and ensuring the working safety of the worker, the safety of the use of the elevator is improved.

Drawings

FIG. 1 is a main sectional structural view of the present invention;

FIG. 2 is an enlarged sectional view of the seal ring of FIG. 1 according to the present invention;

FIG. 3 is an enlarged sectional view of the main portion of the sleeve plate of FIG. 1 according to the present invention;

FIG. 4 is a schematic top sectional view of a seal ring according to the present invention;

FIG. 5 is a top cross-sectional structural view of the bushing of the present invention;

FIG. 6 is a top cross-sectional view of the plunger of FIG. 5 according to the present invention.

In the figure: 1. a scissor arm; 2. a connecting ring; 3. inserting a rod; 4. mounting a plate; 5. a travel port; 6. a jack; 7. a hydraulic lever; 8. a sleeve; 9. a fixing plate; 10. a screw rod; 11. a bearing; 12. a motor; 13. a seal ring; 14. sheathing; 15. a support plate; 16. positioning a groove; 17. and a screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1 to 6, an embodiment of the present invention includes: the utility model provides a structure security lift with prevent falling, includes scissors fork arm 1, inserted bar 3, hydraulic stem 7, sleeve pipe 8, motor 12, lagging 14 and backup pad 15, is provided with the hydraulic stem 7 that the equidistance distributes between the scissors fork arm 1, and hydraulic stem 7 divide into two parts, is the inner structure of scissors fork lift, promotes through hydraulic stem 7 and cuts fork arm 1 lifting, and the staff realizes at high altitude construction. The outer wall of the upper end of the hydraulic rod 7 is provided with a connecting ring 2, the connecting ring 2 is connected with the scissor fork arm 1, the connecting ring 2 is used for connecting the inserted link 3, the inserted link 3 is enabled to support a connecting piece of the scissor fork arm 1, and the supporting force of the inserted link 3 is applied to the scissor fork arm 1 through the connecting ring 2. The lower end of the connecting ring 2 is provided with inserting rods 3 which are distributed at equal intervals, and the inserting rods 3 are supporting structures of the scissor fork arms 1.

7 outer walls of hydraulic stem cup joints sleeve pipe 8, and sleeve pipe 8 is inside to be seted up stroke mouth 5 and the jack 6 that link up each other, and jack 6 is used for inserted bar 3 to peg graft inside sleeve pipe 8, and stroke mouth 5 makes 6 middle-ends of jack be connected with the external world, makes external object can influence inside inserted bar 3. Sealing washer 13 is installed to the inside embedding of upper end, and 3 lower extremes of inserted bar slide and peg graft inside sealing washer 13, and inserted bar 3 realizes at the inside stable removal of jack 6.

8 outer walls of sleeve pipe slide and have cup jointed lagging 14, and the 14 inner walls of lagging are provided with the backup pad 15 that the equidistance distributes, and backup pad 15 is inside to have seted up

constant head tank

16, and 3 lower extremes of inserted bar are corresponding with constant head tank 16, and lagging 14 drives backup pad 15 and carries out the bottom sprag in 5 inside and 6 inside removals of jack at the stroke mouth to fixed inserted bar 3. The bottom of the inserted link 3 is correspondingly inserted into the positioning groove 16, the inserted link 3 is stabilized, the effective inserted link 3 is supported, and the supporting force is applied to the scissor arm 1. The lift hydraulic means who avoids damages the sudden drop problem, and the sudden drop of lift platform leads to the staff easily to cause the injury, and the hydraulic means is dropped is supported by inserted bar 3 in the twinkling of an eye, has ensured the stability and the security of lift, and staff's safety is protected.

One end of the supporting plate 15 is located inside the jack 6, the outer wall of the sleeve plate 14 is provided with the mounting plate 4 and the fixing plate 9 respectively, one end of the fixing plate 9 is connected with the scissor arm 1, and the fixing plate 9 is connected with the scissor arm 1, so that one end of the screw rod 10 rotates more stably. The motor 12 is disposed at the upper end of the mounting plate 4, and as is well known to those skilled in the art, the motor 12 is provided in the common sense, which belongs to the conventional means or the common knowledge, and will not be described herein again, and those skilled in the art can make any choice according to their needs or convenience.

The lower end of the motor 12 is provided with a screw rod 10, and the motor 12 operates to drive the screw rod 10 to rotate. Screw 17 has been seted up to lagging 14 inside, and the bearing 11 is installed to the inside equal embedding of mounting panel 4 and fixed plate 9, and lead screw 10 one end is rotated and is pegged graft inside bearing 11, and lead screw 10 one end is rotated and is pegged graft inside screw 17. The screw rod 10 rotates inside the bearing 11 and the screw rod 10 to drive the sleeve plate 14 to slide on the outer wall of the sleeve 8, and the support plate 15 supports the bottom of the inserted rod 3.

The working principle is as follows: in the actual application process, the insertion rod 3 is driven to move in the insertion hole 6 in the process that the hydraulic rod 7 drives the scissor arm 1 to longitudinally lift, when the elevator reaches a specified height, the hydraulic rod 7 and the insertion rod 3 stop operating, the motor 12 operates to drive the screw rod 10 to rotate, the sleeve plate 14 drives the support plate 15 to move in the insertion hole 6 through the rotation of the screw rod 10, when the positioning groove 16 corresponds to the lower end of the insertion rod 3, the insertion rod 3 is supported, the support force acts on the upper end of the scissor arm 1 through the connecting ring 2, the problem that a hydraulic device is damaged or suddenly drops when exceeding a load bearing lifting platform is avoided, when the hydraulic device shrinks when exceeding the load bearing, the insertion rod 3 supports the scissor arm 1, so that the elevator is stabilized again, under the condition of normal use, the motor 12 drives the support plate 15 to slide first, the hydraulic rod 7 drives the lifting platform to drop later, and the stability and the safety of the elevator are guaranteed, the safety of the working personnel at the upper end of the lifting platform is guaranteed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a structure security lift is prevented falling, includes scissor arm (1), inserted bar (3), hydraulic stem (7), sleeve pipe (8), motor (12), lagging (14) and backup pad (15), its characterized in that: be provided with hydraulic stem (7) that the equidistance distributes between scissor arm (1), hydraulic stem (7) upper end outer wall is provided with go-between (2), go-between (2) lower extreme is provided with inserted bar (3) that the equidistance distributes, sleeve pipe (8) have been cup jointed to hydraulic stem (7) outer wall, the inside stroke mouth (5) and jack (6) of lining up each other of seting up of sleeve pipe (8), sealing washer (13) are installed in the inside embedding in jack (6) upper end, sleeve pipe (8) outer wall slides and has cup jointed lagging (14), lagging (14) inner wall is provided with backup pad (15) that the equidistance distributes, lagging (14) outer wall is provided with mounting panel (4) and fixed plate (9) respectively, mounting panel (4) upper end is provided with motor (12), motor (12) lower extreme is provided with lead screw (10).

2. A safety hoist with fall arrest structure according to claim 1, characterized in that: the connecting ring (2) is connected with the scissor arm (1).

3. A safety hoist with fall arrest structure according to claim 1, characterized in that: the lower end of the inserted bar (3) is inserted in the sealing ring (13) in a sliding manner.

4. A safety hoist with fall arrest structure according to claim 1, characterized in that: a positioning groove (16) is formed in the supporting plate (15), and the lower end of the inserting rod (3) corresponds to the positioning groove (16).

5. A safety hoist with fall arrest structure according to claim 1, characterized in that: screw hole (17) have been seted up to lagging (14) inside, bearing (11) are all installed in the inside embedding of mounting panel (4) and fixed plate (9), lead screw (10) one end is rotated and is pegged graft inside bearing (11), lead screw (10) one end is rotated and is pegged graft inside screw hole (17).

6. A safety hoist with fall arrest structure according to claim 1, characterized in that: one end of the supporting plate (15) is positioned inside the jack (6).

7. A safety hoist with fall arrest structure according to claim 1, characterized in that: one end of the fixing plate (9) is connected with the scissor arm (1).