CN217323239U

CN217323239U - Height safety limiting device of lifting machine

Info

Publication number: CN217323239U
Application number: CN202220687713.XU
Authority: CN
Inventors: 秦培云
Original assignee: Sichuan Zhonganke Safety Technology Co ltd
Current assignee: Sichuan Zhonganke Safety Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-30
Anticipated expiration: 2032-03-28

Abstract

The utility model belongs to the field of lifting machinery, in particular to a lifting machinery height safety limiting device, which comprises a lifting platform, wherein the bottom of the lifting platform is provided with a limiting rod, the bottom of the limiting rod is provided with a limiting plate, the top of the limiting plate is provided with a buffer mechanism, the bottom of the lifting platform is provided with a lifting device, the bottom of the lifting device is provided with a bottom plate, two sides of the bottom plate are provided with vertical plates, and the tops of the vertical plates are provided with fixing plates; through use elevating gear carries out the elevating work at the elevating platform, use gag lever post and fixed plate to carry out spacing work at the in-process that goes up and down, guarantee vertical lift effect, when the in-process that goes up and down need carry out limit for height work, limiting plate and buffer gear contact with the fixed plate, carry out spacing work among the contact process, buffer gear carries out buffering work with the fixed plate simultaneously, all has effectual promotion to the structural stability and the security of equipment when using.

Description

Height safety limiting device of lifting machine

Technical Field

The utility model relates to a lifting machinery field specifically is a high safe stop device of lifting machinery.

Background

The lifting machine is a mechanical device driven by a hydraulic cylinder or a chain to lift, is mainly used for high-altitude operation and high-altitude maintenance, is the most safe and reliable lifting machine, is a hydraulic lifting machine, is driven by a hydraulic system to lift, cannot suddenly fall under the condition of sudden power failure, can operate a manual valve to slowly fall, and plays an important role in many industries.

Lifting machinery need use limit for height device to ensure the stability of going up and down in going up and down the in-process, can effectual lifting means's operation security when using, all have more effective guarantee to staff's operating condition and life and property ann.

The conventional height safety limiting device of the lifting machine has poor buffering effect when in use, does not effectively improve the operation stability and the structural safety of equipment, can cause the phenomenon of structural damage during height limiting work, and cannot effectively buffer the work;

therefore, a safety limiting device for the height of the lifting machine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, solve current lift machinery high safety stop device and buffer the effect relatively poor when using, do not have effectual promotion to the operating stability and the structure security of equipment, the phenomenon of structural damage can appear in limit for height work, can not effectually cushion the problem of work, the utility model provides a lift machinery high safety stop device.

The utility model provides a technical scheme that its technical problem adopted is: a high safe stop device of lift machinery, including the elevating platform, the bottom of elevating platform is provided with the gag lever post, the bottom of gag lever post is provided with the limiting plate, the top of limiting plate is provided with buffer gear.

The lifting device is arranged at the bottom of the lifting platform, the bottom of the lifting device is provided with a bottom plate, vertical plates are arranged on two sides of the bottom plate, and a fixing plate is arranged at the tops of the vertical plates.

Preferably, one side of vertical plate is provided with the set screw, and one side of set screw is provided with the gasket, and constitutes the run-through structure between set screw and the gasket, lets the fixed state of set screw also have stable guarantee through the run-through structure, lets the running state of equipment also have better guarantee when using.

Preferably, the bottom of bottom plate is provided with the gyro wheel, and through welded connection between bottom plate and the gyro wheel, lets the connection stability and the connection state of equipment all have more effective promotion through welded connection.

Preferably, buffer gear includes rubber pad, shock-absorbing rod and sleeve, and the bottom of rubber pad sets up the shock-absorbing rod, and the bottom of shock-absorbing rod sets up the sleeve, and through adhesive connection between rubber pad and the shock-absorbing rod, adhesive connection can effectual structural stability who ensures equipment, and connection stability and joint strength also have more effective guarantee when using.

Preferably, telescopic bottom sets up the base, and the top of base sets up the running-through, and through welded connection between sleeve and the base, through welded connection can effectual guarantee equipment the stability of being connected, lets the joint strength between sleeve and the base also have better promotion when using.

Preferably, elevating gear includes roof and hydraulic lifting rod, and the bottom of roof sets up hydraulic lifting rod, and through welded connection between roof and the hydraulic lifting rod, lets the structural stability and the security of equipment all have more effectual promotion through welded connection.

Preferably, the bottom of hydraulic lifting rod sets up the drum, and the axis coincidence setting of the axis of hydraulic lifting rod and drum, sets up the structural safety and the stability that can effectual guarantee equipment through the axis coincidence, lets the running state of equipment also have effectual promotion when using.

Preferably, the fixed plate includes the plate body and reserves the entrance to a cave, and the top of plate body is seted up and is reserved the entrance to a cave, and the inner wall size of reserving the entrance to a cave is identical with the outer wall size of gag lever post, through size identical structure security and the stability that can effectual guarantee equipment, also has effectual promotion to the operation effect of equipment.

The utility model discloses an useful part lies in:

the utility model can effectively ensure the stability of the equipment to be effectively improved when the equipment is used for high-safety limiting work through the cooperation work between the lifting platform, the limiting rod, the buffer mechanism, the limiting plate, the vertical plate, the fixed plate, the lifting device and the bottom plate, more comprehensively ensure the structural stability and the buffering effect of the equipment when in use, more effectively improve the structural stability and the safety of the equipment, the lifting platform is used for lifting work by the lifting device when in use, the limiting rod and the fixed plate are used for limiting work in the lifting process, the vertical lifting effect is ensured, when the height limiting work is needed in the lifting process, the limiting plate and the buffer mechanism are contacted with the fixed plate, the limiting work is carried out in the contact process, simultaneously, the buffer mechanism and the fixed plate are used for buffering work, and the structural stability and the safety of the equipment are effectively improved when in use, let the running state and the operating stability of equipment all have more effectual promotion when using, let the spacing stability and the operation security of equipment all have more effective guarantee.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

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

FIG. 2 is a schematic view of the buffering mechanism of the present invention;

fig. 3 is a schematic structural view of the lifting device of the present invention;

fig. 4 is a schematic structural view of a fixing plate of the present invention;

fig. 5 is an enlarged view of the structure at a in fig. 1 of the present invention.

In the figure: 1. a lifting platform; 2. a limiting rod; 3. a buffer mechanism; 301. a rubber pad; 302. a shock-absorbing lever; 303. a through opening; 304. a sleeve; 305. a base; 4. a limiting plate; 5. a vertical plate; 6. a fixing plate; 601. a plate body; 602. reserving a hole; 7. a lifting device; 701. a top plate; 702. a hydraulic lifting rod; 703. a cylinder; 8. a base plate; 9. a roller; 10. fixing screws; 11. and (7) a gasket.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, a height safety limiting device for a lifting machine includes a lifting platform 1, a limiting rod 2 disposed at the bottom of the lifting platform 1, a limiting plate 4 disposed at the bottom of the limiting rod 2, and a buffering mechanism 3 disposed at the top of the limiting plate 4.

The bottom of elevating platform 1 is provided with elevating gear 7, and the bottom of elevating gear 7 is provided with bottom plate 8, and the both sides of bottom plate 8 are provided with vertical plate 5, and the top of vertical plate 5 is provided with fixed plate 6.

In this embodiment, a fixing screw 10 is disposed on one side of the vertical plate 5, a gasket 11 is disposed on one side of the fixing screw 10, and a penetrating structure is formed between the fixing screw 10 and the gasket 11; during operation, the structural stability and the safety of equipment can be effectively guaranteed, and the structural safety of the equipment is better improved when the equipment is used.

In this embodiment, the bottom of the bottom plate 8 is provided with a roller 9, and the bottom plate 8 and the roller 9 are connected by welding; during operation, the moving efficiency and the stability of the equipment can be effectively guaranteed, and the running state of the equipment is effectively improved during use.

In this embodiment, the cushioning mechanism 3 includes a rubber pad 301, a shock absorbing rod 302 and a sleeve 304, the shock absorbing rod 302 is disposed at the bottom of the rubber pad 301, the sleeve 304 is disposed at the bottom of the shock absorbing rod 302, and the rubber pad 301 and the shock absorbing rod 302 are connected by gluing; during operation, the buffer effect of the equipment can be effectively guaranteed, and the operation stability and the safety of the equipment are effectively improved.

In this embodiment, a base 305 is disposed at the bottom of the sleeve 304, a through opening 303 is formed at the top of the base 305, and the sleeve 304 is connected to the base 305 by welding; during operation, the lifting stability of the equipment can be effectively guaranteed, and the running state and the stability of the equipment are effectively improved when the lifting device is used.

In this embodiment, the lifting device 7 includes a top plate 701 and a hydraulic lifting rod 702, the hydraulic lifting rod 702 is disposed at the bottom of the top plate 701, and the top plate 701 and the hydraulic lifting rod 702 are connected by welding; during operation, the running state and the safety of the equipment can be effectively guaranteed, and the structural safety of the equipment is better guaranteed during use.

In this embodiment, the cylinder 703 is disposed at the bottom of the hydraulic lifting rod 702, and the central axis of the hydraulic lifting rod 702 is overlapped with the central axis of the cylinder 703; during operation, the structural stability and the safety of the equipment can be effectively guaranteed, and the lifting effect of the equipment is effectively improved when the lifting device is used.

In this embodiment, the fixing plate 6 includes a plate body 601 and a reserved hole 602, the reserved hole 602 is formed in the top of the plate body 601, and the size of the inner wall of the reserved hole 602 is identical to the size of the outer wall of the limiting rod 2; the during operation can effectual guarantee equipment's structural security, lets the running state of equipment also have effectual promotion, all has more comprehensive guarantee to the structural security of equipment when using.

The theory of operation, use gyro wheel 9 to remove bottom plate 8 when removing and carry out position shift work, elevating platform 1 uses elevating gear 7 to carry out the elevating work when using, use gag lever post 2 and fixed plate 6 to carry out spacing work carrying out the lift in-process, guarantee vertical lift effect, when the lift in-process need carry out limit for height work, limiting plate 4 and buffer gear 3 contact with fixed plate 6, carry out spacing work among the contact process, buffer gear 3 and fixed plate 6 carry out buffering work simultaneously.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a high safe stop device of elevating machinery which characterized in that: the lifting platform comprises a lifting platform (1), wherein a limiting rod (2) is arranged at the bottom of the lifting platform (1), a limiting plate (4) is arranged at the bottom of the limiting rod (2), and a buffer mechanism (3) is arranged at the top of the limiting plate (4);

the lifting device is characterized in that a lifting device (7) is arranged at the bottom of the lifting platform (1), a bottom plate (8) is arranged at the bottom of the lifting device (7), vertical plates (5) are arranged on two sides of the bottom plate (8), and a fixing plate (6) is arranged at the top of each vertical plate (5).

2. The height safety limiting device of the lifting machine as claimed in claim 1, wherein: one side of the vertical plate (5) is provided with a fixing screw (10), one side of the fixing screw (10) is provided with a gasket (11), and a penetrating structure is formed between the fixing screw (10) and the gasket (11).

3. The height safety limiting device of the lifting machine as claimed in claim 1, wherein: the bottom of the bottom plate (8) is provided with a roller (9), and the bottom plate (8) is connected with the roller (9) through welding.

4. The height safety limiting device of the lifting machine as claimed in claim 1, wherein: buffer gear (3) include rubber pad (301), shock absorber pole (302) and sleeve (304), and the bottom of rubber pad (301) sets up shock absorber pole (302), and the bottom of shock absorber pole (302) sets up sleeve (304), and through adhesive bonding between rubber pad (301) and shock absorber pole (302).

5. The height safety limiting device of the lifting machine as claimed in claim 4, wherein: the bottom of the sleeve (304) is provided with a base (305), the top of the base (305) is provided with a through opening (303), and the sleeve (304) is connected with the base (305) through welding.

6. The height safety limiting device of the lifting machine as claimed in claim 1, wherein: the lifting device (7) comprises a top plate (701) and a hydraulic lifting rod (702), the hydraulic lifting rod (702) is arranged at the bottom of the top plate (701), and the top plate (701) is connected with the hydraulic lifting rod (702) in a welding mode.

7. The height safety limiting device of the lifting machine as claimed in claim 6, wherein: the bottom of the hydraulic lifting rod (702) is provided with a cylinder (703), and the central axis of the hydraulic lifting rod (702) is superposed with the central axis of the cylinder (703).

8. The height safety limiting device of the lifting machine as claimed in claim 1, wherein: the fixing plate (6) comprises a plate body (601) and a reserved hole (602), the reserved hole (602) is formed in the top of the plate body (601), and the size of the inner wall of the reserved hole (602) is matched with the size of the outer wall of the limiting rod (2).