CN210214696U - Low-displacement movable elevator - Google Patents
Low-displacement movable elevator Download PDFInfo
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- CN210214696U CN210214696U CN201920749896.1U CN201920749896U CN210214696U CN 210214696 U CN210214696 U CN 210214696U CN 201920749896 U CN201920749896 U CN 201920749896U CN 210214696 U CN210214696 U CN 210214696U
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Abstract
The utility model provides a low-displacement movable elevator, which comprises an elevator body, wherein the elevator body comprises an elevating component, an elevating platform, a base, a first oil cylinder, a driving component, a motor, a control component and a hydraulic pump, one end of the elevating component is connected with the elevating platform, the other end of the elevating component is connected with the base, and a first guide rail is arranged on the base; a rolling component is arranged on the side edge of the base so as to reduce the total height of the elevator body; the utility model discloses a fixed mounting drive assembly on the base, when lifting unit is in the draw in state that the extreme lower position, the moment that the low angle promoted promotes the difficulty greatly, and drive assembly helps first hydro-cylinder to make lifting unit promote smoothly in vertical direction, has avoided because of lifting unit is in the extreme lower position and forms the phenomenon emergence that the mechanical dead point caused unable rising.
Description
Technical Field
The utility model relates to a lift field especially relates to a low displacement moves lift.
Background
A lifting operation platform of a lifter is a multifunctional lifting mechanical device and can be divided into a fixed type, a movable type, a guide rail type, a crank arm type, a scissor fork type, a chain type and the like. To the assembly of large-scale machinery, assembly line production or cooperation automation machine tool machining etc. need the portable lift of lower level, most portable lifts on the existing market install the wheel in the low end of the base of lift, will increase the holistic height of lift like this, have reduced the application range of lift.
The scissor lift has the advantages of compact structure, stable operation, low noise, easy operation, high safety and the like, but after the scissor lift is folded, the scissor fork piece is positioned at the lowest position of low-angle folding, the moment is large when the scissor lift is started initially, and a mechanical dead point is easy to form.
There is an urgent need for a low-level mobile lift that avoids the above problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a low-displacement movable elevator, which is provided with a rolling component through the side of a base so as to reduce the total height of an elevator body in a furled state.
The utility model provides a low-displacement movable elevator, which comprises an elevator body, wherein the elevator body comprises an elevating component, an elevating platform, a base, a first oil cylinder, a motor, a driving component, a control component and a hydraulic pump, the hydraulic pump is connected with the motor and the control component, wherein,
one end of the lifting assembly is connected with the lifting platform, the other end of the lifting assembly is connected with the base, and a first guide rail is mounted on the base;
the first oil cylinder comprises a first cylinder barrel and a first piston rod, one end of the first cylinder barrel is connected with a rolling shaft, one end of the first piston rod is connected with a lifting assembly, and two ends of the rolling shaft are matched with the first guide rail;
the hydraulic pump drives the first cylinder and the first piston rod to move so as to drive the rolling shaft to move along the first guide rail, so that the lifting assembly can do lifting movement;
the base is provided with a rolling assembly, the rolling assembly is connected with the motor, and the motor drives the rolling assembly to enable the elevator body to move; the rolling component is arranged on the side edge of the base so as to reduce the total height of the elevator body in a folded state;
one end of the driving component is fixedly arranged on the base, and the driving component is used for driving the lifting component in a furled state.
Preferably, the rolling assembly is a roller, a second guide rail is matched with the roller, and the motor drives the roller to drive the elevator body to move along the second guide rail.
Preferably, the driving assembly is driven by hydraulic pressure, the driving assembly is connected with the hydraulic pump, the driving assembly comprises a second oil cylinder, and the second oil cylinder comprises a second cylinder barrel and a second piston rod; the hydraulic pump drives the second cylinder and the second piston rod to move, so that the lifting platform moves vertically upwards.
Preferably, an elastic member is installed at one end of the second piston rod, and when the lifting assembly is in a folded state, the elastic member contacts the lifting platform.
Preferably, when the lifting assembly is in a folded state, the hydraulic pump drives the first cylinder and the first piston rod and the second cylinder and the second piston rod to move simultaneously.
Preferably, the total stroke of the second cylinder and the second piston rod is 1/5-1/4 of the total stroke of the first cylinder and the first piston rod.
Preferably, an inductive switch is installed on the elastic member and connected with the control assembly, after the inductive switch senses a signal, the inductive switch feeds the signal back to the control assembly, the control assembly sends an instruction to the hydraulic pump, and the hydraulic pump drives the second piston rod to move into the cylinder barrel.
Preferably, the driving assembly is fixedly installed at the central position of the base.
Preferably, the driving assembly comprises a first driving assembly and a second driving assembly, the first driving assembly and the second driving assembly are uniformly distributed and mounted on the base, and the first driving assembly and the second driving assembly simultaneously drive the lifting assembly at the lowest position.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a pair of low displacement moves lift installs the roll subassembly through the both sides at the base to reduce the total height of lift body when the folded state, the application range of lower total height's lift body is more extensive. The utility model discloses a fixed mounting drive assembly on the base, when lifting unit is in the draw in state that the extreme lower position, the moment that the low angle promoted promotes the difficulty greatly, and drive assembly helps first hydro-cylinder to make lifting unit promote smoothly in vertical direction, has avoided because of lifting unit is in the extreme lower position and forms the phenomenon emergence that the mechanical dead point caused unable rising.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic structural view of two states of a low-displacement elevator according to the present invention;
fig. 2 is a schematic structural view of the low-displacement movable elevator of the present invention when it is folded;
fig. 3 is an enlarged view of the position B in fig. 2 when the low-displacement movable lifter of the present invention is folded;
fig. 4 is a schematic structural diagram of the low-displacement movable elevator of the present invention during the lifting process;
fig. 5 is an enlarged view of a portion a in fig. 4 illustrating a lifting process of a low-displacement lifter according to the present invention;
reference numerals: 100. the lifting device comprises a lifting machine body, 10, a lifting platform, 210, a first shearing fork, 220, a second shearing fork, 30, a base, 410, a first piston rod, 420, a first cylinder barrel, 430, a rolling shaft, 50, a hydraulic pump, 60, a rolling assembly, 610, a bearing seat, 710, a second cylinder barrel, 720, a second piston rod, 730 and an elastic element.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
A low-displacement movable elevator, as shown in fig. 1-5, comprising an elevator body 100, wherein the elevator body 100 comprises an elevating assembly, an elevating platform 10, a base 30, a first cylinder, a motor, a driving assembly, a control assembly and a hydraulic pump 50, the hydraulic pump 50 is connected with the motor and the control assembly, wherein,
one end of the lifting assembly is connected with the lifting platform 10, the other end of the lifting assembly is connected with the base 30, and a first guide rail (not shown in the figure) is installed on the base 30;
the first oil cylinder comprises a first cylinder barrel 420 and a first piston rod 410, one end of the first cylinder barrel 420 is connected with a rolling shaft 430, one end of the first piston rod 410 is connected with a lifting assembly, and two ends of the rolling shaft 430 are matched with the first guide rail;
the hydraulic pump 50 drives the first cylinder 420 and the first piston rod 410 to move so as to drive the roller 430 to move along the first guide rail, so that the lifting assembly performs lifting movement;
the base is provided with a rolling assembly, the rolling assembly is connected with the motor, and the motor drives the rolling assembly to enable the elevator body to move; the rolling component is arranged on the side edge of the base so as to reduce the total height of the elevator body in a folded state;
one end of the driving component is vertically and fixedly arranged on the base, and the driving component is used for driving the lifting component in a furled state. In one embodiment, the lifting assembly is a scissor, one end of the scissor is connected to the base, the other end of the scissor is connected to the lifting platform, the elevator body includes a plurality of scissor, in this embodiment, the elevator body preferably includes a first scissor 210 and a second scissor 220, the second scissor 220 is fixed to the base, the first scissor 210 is connected to the roller 430, the first cylinder is connected to the roller 430, and the first cylinder drives the roller 430 to move on the first guide rail, so that the scissor does lifting movement. The rollers are preferably matched with the first guide rail at both ends of the roller shaft, and the limiting blocks are arranged at both ends of the first guide rail and used for limiting the movement range of the roller shaft 430. In the present embodiment, rolling assemblies 60 are installed at both sides of the base 30 to reduce the overall height of the elevator body 100 when it is collapsed; generally, the rolling assemblies of the elevator body 100 are disposed directly below the base 30, and the rolling assemblies 60 are installed at both sides of the base 30 in this embodiment so as to reduce the overall height of the elevator body 100. A lower overall height elevator body 100 will find more widespread use in production.
When the lifting assembly of the lifter body 100 is located at the lowest position, the scissor member is almost parallel to the base, the angle formed by the scissor member and the base is very small, the lifting assembly is driven to ascend through the hydraulic pump 50, the low-angle starting torque is large, a mechanical dead point is easily formed, and the phenomenon that the lifting assembly cannot be lifted occurs. In the embodiment, the driving assembly drives the lifting assembly to move in the vertical direction, so that the pressure of the first oil cylinder for driving the lifting assembly at a low angle is relieved. The driving assembly can be driven in various ways, such as: the first oil cylinder and the driving assembly share the same hydraulic pump for driving, so that the production cost of the elevator body is reduced.
In one embodiment, the rolling assembly 60 is a roller, and a second guide rail is matched with the roller, and the motor drives the roller to drive the elevator body 100 to move along the second guide rail. In this embodiment, the roller is disposed in the second guide rail, the second guide rail is embedded in the ground, the roller is disposed in the second guide rail, and the base of the elevator body 100 is slightly higher than the ground, so that the total height of the elevator body 100 becomes lower. In another embodiment, the roller may move directly on the ground.
In one embodiment, the driving assembly is a hydraulic drive, the driving assembly is connected to the hydraulic pump 50, the driving assembly includes a second cylinder, and the second cylinder includes a second cylinder 710 and a second piston rod 720; the hydraulic pump drives the second cylinder 710 and the second piston rod 720 to move, so that the lifting platform 10 moves upward in the vertical direction. In this embodiment, generally, the driving assembly is fixedly installed at a central position of the base 30, the control assembly controls the hydraulic pump 50 to drive the first cylinder and the second cylinder to move simultaneously, and when the lifting assembly is at a retracted state, i.e., a lowest position, the hydraulic pump 50 drives the first cylinder 420 and the first piston rod 410 and the second cylinder 710 and the second piston rod 720 to move simultaneously. The driving assembly is used for reducing the pressure when the first oil cylinder drives the lifting assembly to ascend at a low angle. Preferably, the driving assembly includes a first driving assembly and a second driving assembly, the first driving assembly and the second driving assembly are uniformly distributed and mounted on the base 30, and the first driving assembly and the second driving assembly simultaneously drive the lifting assembly at the lowest position. The first driving assembly and the second driving assembly are uniformly distributed and installed on the base 30, so that the lifting platform 10 can rise under balanced stress, and accidents caused by uneven stress are avoided.
In one embodiment, an elastic member 730 is installed at one end of the second piston rod 720, and the elastic member 730 contacts the lifting platform 10 when the lifting assembly is at the lowest position. In this embodiment, the elastic member 730 is preferably a spring, when the lifting assembly is located at the furled state, i.e. the lowest position, the elastic member 730 is installed on the second piston rod 720, the second piston rod 720 is located inside the second cylinder 710, i.e. the total length of the second cylinder 710 and the second piston rod 720 is the shortest, and at this time, the elastic member 730 contacts the bottom end of the lifting platform 70.
Specifically, the total stroke of the second cylinder 710 and the second piston rod 720 is 1/5-1/4 of the total stroke of the first cylinder 420 and the first piston rod 410. That is, the second cylinder 710 and the second piston rod 720 stop moving until 1/5-1/4 of the total stroke of the first cylinder 420 and the first piston rod 410. The driving assembly assists the first oil cylinder to start when the lifting assembly is at a low angle.
In one embodiment, an inductive switch is installed on the elastic member 730, the inductive switch is connected to the control assembly, after the inductive switch senses a signal, the inductive switch feeds the signal back to the control assembly, the control assembly sends a command to the hydraulic pump 50, and the hydraulic pump 50 drives the second piston rod 720 to move into the second cylinder 710. In the embodiment, as can be seen from the above description, when the second cylinder 710 and the second piston rod 720 move to the position 1/5-1/4 of the total stroke of the first cylinder 420 and the first piston rod 410, the movement is stopped, and the first cylinder 420 and the first piston rod 410 continue to move, when the first cylinder 420 and the first piston rod 410 move to make the lifting platform 10 move downward, the sensing switch installed at the top end of the elastic member 730 senses a signal, when the lifting platform 10 approaches the sensing switch, the sensing switch feeds the signal back to the control component, the control component sends a command to the hydraulic pump 50, and the hydraulic pump 50 drives the second piston rod 720 to move into the second cylinder 710. In addition, the elastic member 730 serves as a buffer and may serve to reduce damage caused when the elevator body 100 is accidentally dropped.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. A low-displacement movable elevator is characterized by comprising an elevator body, wherein the elevator body comprises an elevating component, an elevating platform, a base, a first oil cylinder, a motor, a driving component, a control component and a hydraulic pump, the hydraulic pump and the motor are connected with the control component, wherein,
one end of the lifting assembly is connected with the lifting platform, the other end of the lifting assembly is connected with the base, and a first guide rail is mounted on the base;
the first oil cylinder comprises a first cylinder barrel and a first piston rod, one end of the first cylinder barrel is connected with a rolling shaft, one end of the first piston rod is connected with a lifting assembly, and two ends of the rolling shaft are matched with the first guide rail;
the hydraulic pump drives the first cylinder and the first piston rod to move so as to drive the rolling shaft to move along the first guide rail, so that the lifting assembly can do lifting movement;
the base is provided with a rolling assembly, the rolling assembly is connected with the motor, and the motor drives the rolling assembly to enable the elevator body to move; the rolling component is arranged on the side edge of the base so as to reduce the total height of the elevator body in a folded state;
one end of the driving component is vertically and fixedly arranged on the base, and the driving component is used for driving the lifting component in a furled state.
2. A low motion lift according to claim 1 wherein said rolling assembly is a roller, a second rail is engaged with said roller, and said motor drives said roller to move said lift body along said second rail.
3. A low displacement lift according to claim 1 wherein said drive assembly is hydraulically driven, said drive assembly being connected to said hydraulic pump, said drive assembly including a second cylinder, said second cylinder including a second cylinder and a second piston rod; the hydraulic pump drives the second cylinder and the second piston rod to move, so that the lifting platform moves vertically upwards.
4. A low motion lift according to claim 3 wherein said second piston rod has an end mounted with a resilient member, said resilient member contacting said lift platform when said lift assembly is in the collapsed condition.
5. A low travel lift according to claim 3, wherein said hydraulic pump drives said first cylinder and first piston rod and said second cylinder and second piston rod simultaneously when said lift assembly is in a collapsed condition.
6. A low motion lift according to claim 3, wherein the total stroke of movement of said second cylinder and said second piston rod is 1/5-1/4 of the total stroke of movement of said first cylinder and said first piston rod.
7. The low-displacement elevator as claimed in claim 4, wherein the elastic member is provided with a sensor switch, the sensor switch is connected to the control module, the sensor switch feeds back a signal to the control module after sensing the signal, the control module sends a command to the hydraulic pump, and the hydraulic pump drives the second piston rod to move into the cylinder.
8. A low motion lift according to claim 3, wherein said drive assembly is fixedly mounted to said base at a central location.
9. A low motion lift according to claim 3 wherein said drive assembly comprises a first drive assembly and a second drive assembly, said first drive assembly and said second drive assembly being uniformly distributed and mounted on said base, said first drive assembly and said second drive assembly simultaneously driving said lift assembly when in a lowermost position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749896.1U CN210214696U (en) | 2019-05-23 | 2019-05-23 | Low-displacement movable elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749896.1U CN210214696U (en) | 2019-05-23 | 2019-05-23 | Low-displacement movable elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210214696U true CN210214696U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920749896.1U Active CN210214696U (en) | 2019-05-23 | 2019-05-23 | Low-displacement movable elevator |
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| CN (1) | CN210214696U (en) |
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- 2019-05-23 CN CN201920749896.1U patent/CN210214696U/en active Active
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