CN215479437U

CN215479437U - Scissor lift

Info

Publication number: CN215479437U
Application number: CN202121241669.1U
Authority: CN
Inventors: 祁鑫; 陈军; 戴臻臻; 弥吉泉; 李玉峰
Original assignee: Gu'an Xingguang Wote High Pressure Water Equipment Co ltd
Current assignee: Gu'an Xingguang Wote High Pressure Water Equipment Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-11
Anticipated expiration: 2031-06-04

Abstract

The application discloses cut fork lift includes: the lifting main body comprises an upper top plate and a power device which are horizontally arranged, wherein the upper surface of the upper top plate is provided with a first groove, a second groove and a third groove which are symmetrical; the anti-collision plate is horizontally arranged above the upper top plate, and the lower surface of the anti-collision plate is provided with a through hole corresponding to the first groove and a fourth groove corresponding to the second groove; the limiting pin is inserted into the first groove and the through hole; the spring is arranged in the second groove and the fourth groove; the adjusting column is arranged in the third groove; the micro switch is arranged on the upper part of the adjusting column; the microswitch is connected with the power device and used for cutting off the electric signal when the anti-collision plate touches the microswitch so as to stop the power device. The micro-gap switch is connected with power device, compresses to a certain degree when the anticollision board, cuts off the signal of telecommunication and makes power device stop when touching micro-gap switch, and the lift main part keeps the current position, at the in-process that rises, runs into the hindrance and stops promptly, has reduced artifical observation error, has improved equipment security.

Description

Scissor lift

Technical Field

The utility model relates to the technical field of elevators, in particular to a scissor type elevator.

Background

The hydraulic elevator is mainly divided into a scissor type elevator with an inclined oil cylinder structure and an oil cylinder direct-jacking type elevator with a vertical oil cylinder direct-jacking structure. The oil cylinder direct-acting type lifter requires a deep foundation pit, is long in stroke and high in cost, and is replaced by a common scissor type lifter. The required foundation ditch of scissor hydraulic lift is shallow, and compact structure occupation space is little, but along with lifting height promotes, stability is relatively poor. Conventional lift needs artifical observation at the lift in-process, needs manual operation just can stop when meetting the hindrance, has certain error, has reduced equipment fixing nature.

SUMMERY OF THE UTILITY MODEL

It is an object of the present application to overcome the above problems or to at least partially solve or alleviate the above problems.

The technical scheme of the utility model provides a scissor lift, which comprises: the lifting main body comprises an upper top plate and a power device, wherein the upper top plate is horizontally arranged, the power device is connected with the upper top plate, and the upper surface of the upper top plate is provided with a first groove, a second groove and a third groove which are symmetrical; the anti-collision plate is horizontally arranged above the upper top plate, and the lower surface of the anti-collision plate is provided with a through hole corresponding to the first groove and a fourth groove corresponding to the second groove; a limit pin inserted into the first groove and the through hole; the spring is arranged in the second groove and the fourth groove; the adjusting column is arranged in the third groove; a microswitch mounted on the upper part of the adjusting column; the microswitch is connected with the power device and used for cutting off an electric signal to stop the power device when the anti-collision plate touches the microswitch.

The beneficial effect of this application is: the anti-collision plate is horizontally arranged above the upper top plate through the first groove, the second groove and the third groove which are symmetrical, the through hole corresponding to the first groove and the fourth groove corresponding to the second groove are formed in the lower surface of the anti-collision plate, the limiting pin is inserted into the first groove and the through hole to keep the anti-collision plate to move only up and down, the spring is arranged in the second groove and the fourth groove and used for supporting the anti-collision plate and changing the preset compression amount through adjusting the spring parameters, the adjusting column is arranged in the third groove and used for setting the force for triggering the micro switch, the micro switch is arranged above the adjusting column, the height of the micro switch can be adjusted through rotating the adjusting column, and the anti-collision plate has the characteristic of compact structure. The micro-gap switch is connected with power device, compresses to a certain degree when the anticollision board, cuts off the signal of telecommunication and makes power device stop when touching micro-gap switch, and the lift main part keeps the current position, at the in-process that rises, runs into the hindrance and stops promptly, has reduced artifical observation error, has improved equipment security.

In addition, the above technical solution of the present invention may further have the following additional technical features:

in the above technical scheme, the signal output end of the microswitch is connected with the signal receiving end of the power device.

In the above technical scheme, the power device is a hydraulic cylinder.

Among the above-mentioned technical scheme, the lift main part includes: a cross arm assembly; a lower support connection structure connected to a lower end of the cross arm assembly; an upper support connection structure connected with an upper end of the cross arm assembly.

In the above technical solution, the upper supporting connection structure includes: the upper top plate is horizontally arranged; a first bracket mounted on one side of the lower surface of the upper top plate and having a first mounting through hole; and the first anti-turnover frame is arranged on the other side of the lower surface of the upper top plate and is provided with a first slide way arranged along the axial direction of the first anti-turnover frame.

In the above technical solution, the lower support connection structure includes: a lower top plate horizontally arranged; a second bracket mounted on one side of the upper surface of the lower top plate and having a second mounting through hole; and the second anti-turnover frame is arranged on the other side of the upper surface of the lower top plate and is provided with a second slide way arranged along the axial direction of the second anti-turnover frame.

In the above technical solution, the cross arm assembly includes: the upper end of the first connecting rod is connected with the first mounting through hole through a first connecting shaft, and the lower end of the first connecting rod is connected with the second slide way through a second connecting shaft in a sliding manner; the second connecting rod is crossed with the first connecting rod and connected through a third connecting shaft, the upper end of the second connecting rod is connected with the first slide through a fourth connecting shaft in a sliding mode, and the lower end of the second connecting rod is connected with the second mounting through hole through a fifth connecting shaft.

In the above technical solution, the first bracket and the second bracket are oppositely arranged and have the same structure; the second bracket includes: a base detachably connected with the lower top plate; and the convex ring is integrally constructed at the top of the base.

In the technical scheme, the first anti-overturning frame and the second anti-overturning frame are arranged oppositely and have the same structure; the second anti-turnover frame is detachably connected with the lower top plate.

In the above technical scheme, the power device is transversely arranged, one end of the power device is connected with the first connecting rod, and the other end of the power device is connected with the second connecting rod.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic front view of a scissor lift according to one embodiment of the present application.

The labels in the figure are:

1. an upper support connection structure; 1-1, an upper top plate; 1-2, a power device; 1-3, a first groove; 1-4, a second groove; 1-5, a third groove; 1-6, a first slideway; 1-7, an anti-collision plate; 1-8, through holes; 1-9 and a fourth groove; 1-10 parts of a limit pin; 1-11, a spring; 1-12, a regulating column; 1-13, a microswitch; 1-14, a first support; 1-15, a first anti-overturning frame; 1-6, a first slideway;

2. a cross arm assembly; 2-1, a first connecting rod; 2-2, a first connecting shaft; 2-3, a second connecting shaft; 2-4, a second connecting rod; 2-5, a third connecting shaft; 2-6, a fourth connecting shaft; 2-7, a fifth connecting shaft;

3. a lower support connection structure; 3-1, a lower top plate; 3-2, a second bracket; 3-3, a second anti-turnover frame; 3-4, a second slideway; 3-5, a base; 3-6 and a convex ring.

Detailed Description

The present application will now be described in further detail by way of specific examples with reference to the accompanying drawings. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

The present application provides a scissor lift, which in one specific embodiment may generally include a lift body, anti-collision plates 1-7, limit pins 1-10, springs 1-11, adjustment posts 1-12, and micro switches 1-13, as shown in fig. 1.

In specific implementation, the lifting body can comprise an upper top plate 1-1 horizontally arranged and a power device 1-2 connected with the upper top plate, wherein the upper surface of the upper top plate 1-1 is provided with a first groove 1-3, a second groove 1-4 and a third groove 1-5 which are symmetrical. The anti-collision plate 1-7 is horizontally arranged above the upper top plate 1-1, and the lower surface of the anti-collision plate is provided with a through hole 1-8 corresponding to the first groove 1-3 and a fourth groove 1-9 corresponding to the second groove 1-4. The limiting pin 1-10 is inserted into the first groove 1-3, and the top of the limiting pin extends out of the through hole 1-8 and is used for limiting the excessive extrusion of the anti-collision plate 1-7. The springs 1-11 are arranged inside the second grooves 1-4 and the fourth grooves 1-9, and springs with different compression amounts can be replaced according to actual conditions. The adjustment post 1-12 is mounted in the third recess 1-5, typically by a threaded attachment. The micro switches 1-13 are arranged on the upper parts of the adjusting columns 1-12 and can be fixed by screw threads or clamped. Wherein, the micro switch 1-13 is connected with the power device 1-2 and is used for cutting off the electric signal when the anti-collision plate 1-7 touches the micro switch 1-13 so as to stop the power device 1-2.

The beneficial effect of this application is: through arranging a first groove 1-3, a second groove 1-4 and a third groove 1-5 which are symmetrical on the upper surface of an upper top plate 1-1, horizontally arranging an anti-collision plate 1-7 above the upper top plate 1-1, arranging a through hole 1-8 corresponding to the first groove 1-3 and a fourth groove 1-9 corresponding to the second groove 1-4 on the lower surface of the anti-collision plate 1-7, inserting a limit pin 1-10 into the first groove 1-3 and the through hole 1-8 to limit the anti-collision plate 1-7 to move only up and down, arranging a spring 1-11 in the second groove 1-4 and the fourth groove 1-9 to support the anti-collision plate 1-7, changing the preset compression amount by adjusting the parameters of the spring 1-11, arranging an adjusting column 1-12 in the third groove 1-5, the micro switch 1-13 is arranged above the adjusting column 1-12, the height of the micro switch 1-13 can be adjusted by rotating the adjusting column 1-12, and the micro switch has the characteristic of compact structure. The micro switch 1-13 is connected with the power device 1-2, when the anti-collision plate 1-7 is compressed to a certain degree, the electric signal is cut off when the anti-collision plate touches the micro switch 1-13, so that the power device 1-2 stops, the lifting main body keeps the current position, and the lifting main body stops when being blocked in the lifting process, thereby reducing the error of manual observation and improving the safety of equipment.

Specifically, the crash-proof plate 1-7 has a shape and size substantially identical to those of the upper ceiling plate 1-1, and the above operation can be preferably performed.

In this embodiment, the micro switches 1 to 13 and the power devices 1 to 2 may be connected wirelessly or in a wired manner, and are generally connected wirelessly, specifically, the signal output terminals of the micro switches 1 to 13 are connected to the signal receiving terminals of the power devices 1 to 2.

In the present embodiment, it is preferable that the power unit 1-2 is a hydraulic cylinder, as shown in fig. 1.

Further, the power device 1-2 is transversely arranged, one end of the power device is connected with the first connecting rod 2-1 through a bolt, and the other end of the power device is connected with the second connecting rod 2-4 through a bolt.

Specifically, when the power unit 1-2 is extended in the lateral direction, the more the first and second connecting rods 2-1 and 2-4 are opened at this time, the whole lifting body is lowered. When the power device 1-2 retracts transversely, the smaller the first connecting rod 2-1 and the second connecting rod 2-4 are opened at the moment, so that the lifting main body is integrally lifted.

In the present embodiment, preferably, as shown in fig. 1, the lifting body may include a cross arm assembly 2, a lower support connection structure 3, and an upper support connection structure 1. Wherein, the lower support connection structure 3 is connected with the lower end of the cross arm component 2, and the upper support connection structure 1 is connected with the upper end of the cross arm component 2.

In the present embodiment, preferably, as shown in fig. 1, the upper support coupling structure 1 may generally include an upper ceiling 1-1, a first support 1-14, and a first anti-tip frame 1-15, which are horizontally disposed.

Specifically, the first bracket 1-14 is installed on one side of the lower surface of the upper top plate 1-1 and has a first installation through hole. The first anti-turnover frame 1-15 is installed on the other side of the lower surface of the upper top plate 1-1 and is provided with a first slideway 1-6 arranged along the axial direction thereof.

Specifically, the first brackets 1 to 14 may include a base and a protruding ring integrally formed on the base, and the first brackets 1 to 14 are integrally disposed in an inverted manner, wherein the base and the upper top plate 1 to 1 may be welded to have a good fixing property, or may be connected by bolts to facilitate disassembly, assembly and maintenance. The first anti-turnover frame 1-15 is a rectangular body and is integrally arranged in an inverted mode, and the first anti-turnover frame and the upper top plate 1-1 can be good in welding fixity or can be connected through bolts so as to be convenient to disassemble, assemble and maintain.

In the present embodiment, preferably, as shown in fig. 1, the lower support connection structure 3 may generally include a horizontally disposed lower top plate 3-1, a second bracket 3-2, and a second anti-tip frame 3-3.

Specifically, the second bracket 3-2 is installed on one side of the upper surface of the lower top plate 3-1 and has a second installation through hole. The second anti-turnover frame 3-3 is arranged on the other side of the upper surface of the lower top plate 3-1 and is provided with a second slideway 3-4 arranged along the axial direction of the second slideway.

Specifically, the first support 1-14 and the second support 3-2 are arranged oppositely and have the same structure. The second support 3-2 comprises a base 3-5 and a convex ring 3-6 integrally constructed on the base 3-5, the second support 3-2 is integrally arranged in the forward direction, and the base 3-5 and the lower top plate 3-1 can be better in welding fixation and can also be connected through bolts so as to be convenient to disassemble, assemble and maintain. The first anti-turnover frame 1-15 and the second anti-turnover frame 3-3 are arranged oppositely and have the same structure. The second anti-turnover frame 3-3 is a rectangular body and is arranged in the forward direction of the whole, and the second anti-turnover frame and the top plate 3-1 can be good in welding fixation performance or can be connected through bolts so as to be convenient to disassemble, assemble and maintain.

In the present embodiment, preferably, as shown in fig. 1, the cross arm assembly 2 may generally include a first connecting rod 2-1 and a second connecting rod 2-4.

The concrete implementation is that the upper end of a first connecting rod 2-1 is connected with a first mounting through hole through a first connecting shaft 2-2, and the lower end of the first connecting rod 2-1 is connected with a second slideway 3-4 in a sliding manner through a second connecting shaft 2-3. The second connecting rods 2-4 are arranged in a crossed mode with the first connecting rods 2-1 and are connected through third connecting shafts 2-5, the upper ends of the second connecting rods 2-4 are connected with the first slide ways 1-6 in a sliding mode through fourth connecting shafts 2-6, and the lower ends of the second connecting rods 2-4 are connected with the second mounting through holes through fifth connecting shafts 2-7.

When the power device 1-2 extends transversely, the second connecting shaft 2-3 at the lower end of the first connecting rod 2-1 slides to the outer side of the second connecting rod along the second slideway 3-4, the fourth connecting shaft 2-6 at the upper end of the second connecting rod 2-4 slides to the outer side of the first slideway 1-6, and the lifting body is lowered integrally at the moment.

When the power device 1-2 retracts transversely, the second connecting shaft 2-3 at the lower end of the first connecting rod 2-1 slides towards the inner side of the second connecting rod along the second slideway 3-4, the fourth connecting shaft 2-6 at the upper end of the second connecting rod 2-4 slides towards the inner side of the first slideway 1-6, and the lifting main body is lifted integrally at the moment.

When in specific use:

1. when the anti-collision plate 1-7 is extruded, the anti-collision plate downwards extrudes the spring 1-11 along the path of the limiting pin 1-10, when the anti-collision plate touches the micro switch 1-13, the micro switch 1-13 cuts off an electric signal to stop the power device 1-2, so that the lifting main body keeps the current position. In the lifting process, the lifting device stops when encountering obstruction, so that the manual observation error is reduced, and the safety of the equipment is improved.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A scissor lift, comprising:

the lifting main body comprises an upper top plate (1-1) and a power device (1-2) connected with the upper top plate, wherein the upper surface of the upper top plate (1-1) is provided with a first groove (1-3), a second groove (1-4) and a third groove (1-5) which are symmetrical;

the anti-collision plate (1-7) is horizontally arranged above the upper top plate (1-1), and the lower surface of the anti-collision plate is provided with a through hole (1-8) corresponding to the first groove (1-3) and a fourth groove (1-9) corresponding to the second groove (1-4);

a limit pin (1-10) inserted into the first groove (1-3) and the through hole (1-8);

a spring (1-11) disposed in the second recess (1-4) and the fourth recess (1-9);

the adjusting column (1-12) is arranged in the third groove (1-5);

a microswitch (1-13) mounted on the upper part of the adjusting column (1-12);

the microswitch (1-13) is connected with the power device (1-2) and is used for cutting off an electric signal when the anti-collision plate (1-7) touches the microswitch (1-13) so as to stop the power device (1-2).

2. A scissor lift according to claim 1, wherein:

the signal output end of the microswitch (1-13) is connected with the signal receiving end of the power device (1-2).

3. A scissor lift according to claim 1, wherein:

the power device (1-2) is a hydraulic cylinder.

4. A scissor lift according to claim 1, wherein the lift body comprises:

a cross arm assembly (2);

a lower support connection structure (3) connected to the lower end of the cross arm assembly (2);

an upper support connection structure (1) connected with the upper end of the cross arm assembly (2).

5. A scissor lift according to claim 4, characterized in that the upper support connection structure (1) comprises:

the upper top plate (1-1) is horizontally arranged;

a first bracket (1-14) which is installed on one side of the lower surface of the upper top plate (1-1) and has a first installation through hole;

and the first anti-turnover frame (1-15) is arranged on the other side of the lower surface of the upper top plate (1-1) and is provided with a first slideway (1-6) arranged along the axial direction of the first slideway.

6. A scissor lift according to claim 5, characterized in that the lower support connection structure (3) comprises:

a lower top plate (3-1) arranged horizontally;

a second bracket (3-2) which is installed on one side of the upper surface of the lower top plate (3-1) and has a second installation through hole;

and the second anti-turnover frame (3-3) is arranged on the other side of the upper surface of the lower top plate (3-1) and is provided with a second slide way (3-4) arranged along the axial direction of the second slide way.

7. A scissor lift according to claim 6, characterized in that the cross arm assembly (2) comprises:

the upper end of the first connecting rod (2-1) is connected with the first mounting through hole through a first connecting shaft (2-2), and the lower end of the first connecting rod is connected with the second slide way (3-4) through a second connecting shaft (2-3) in a sliding manner;

the second connecting rods (2-4) are arranged in a crossed mode with the first connecting rods (2-1) and connected through third connecting shafts (2-5), the upper ends of the second connecting rods (2-4) are connected with the first slide ways (1-6) in a sliding mode through fourth connecting shafts (2-6), and the lower ends of the second connecting rods (2-4) are connected with the second installation through holes through fifth connecting shafts (2-7).

8. A scissor lift according to claim 6, wherein:

the first bracket (1-14) and the second bracket (3-2) are oppositely arranged and have the same structure;

the second bracket (3-2) includes:

a base (3-5) detachably connected with the lower top plate (3-1);

a raised ring (3-6) integrally constructed on top of the base (3-5).

9. A scissor lift according to claim 6, wherein:

the first anti-overturning frames (1-15) and the second anti-overturning frames (3-3) are arranged oppositely and have the same structure;

the second anti-turnover frame (3-3) is detachably connected with the lower top plate (3-1).

10. A scissor lift according to claim 7, wherein:

the power device (1-2) is transversely arranged, one end of the power device is connected with the first connecting rod (2-1), and the other end of the power device is connected with the second connecting rod (2-4).