CN210795639U - Scissor-fork type lifting platform - Google Patents
Scissor-fork type lifting platform Download PDFInfo
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- CN210795639U CN210795639U CN201921699947.0U CN201921699947U CN210795639U CN 210795639 U CN210795639 U CN 210795639U CN 201921699947 U CN201921699947 U CN 201921699947U CN 210795639 U CN210795639 U CN 210795639U
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- scissor
- hinged
- scissor arm
- movable rod
- vertical plate
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Abstract
The utility model provides a scissor-type lifting platform, which comprises a base, a supporting platform, a hinged shaft and at least two opposite scissor arm groups; the driving device is fixedly arranged on the hinged shaft, and the vertical plate is arranged on the left side of the hinged shaft and drives the vertical plate to horizontally move towards or away from the hinged shaft; the upper end of the vertical plate is hinged with a first end of a first movable rod, and a second end of the first movable rod is rotatably connected to the part, located on the left side of the hinged shaft, of the first scissor arm; the lower end of the vertical plate is hinged with a first end of a second movable rod, and a second end of the second movable rod is rotatably connected to the part, located on the left side of the hinged shaft, of the second scissor arm; the first scissor arm group and the second scissor arm group are formed by the first scissor arm and the second scissor arm, and the first movable rod and the second movable rod are mutually crossed into an X shape. In summary, the hinge axis is usually located near the middle of the scissor arm, so that when the support platform is at the lowest point, the driving device is less likely to extend from the right side of the base, thereby reducing the space occupied by the driving device.
Description
Technical Field
The utility model relates to a jacking equipment technical field especially relates to a cut fork elevating platform.
Background
A scissor-type lifting platform is a hoisting machine for vertically conveying people or objects, is mainly used for conveying goods among height differences of a production line, is often provided with various plane conveying devices, is used as a connecting device of conveying lines with different heights, and is widely applied to high-altitude installation, maintenance and other operations.
As shown in fig. 1, a scissor lift generally comprises: the base 1, the support 2 and at least two scissor arm sets between the base 1 and the support 2, wherein the support 2 is lifted or lowered by the at least two scissor arm sets during use, and in order to save space, a driving device is usually arranged between the base 1 and the support 2, and the driving device controls the movement of the at least two scissor arm sets.
Therefore, how to design a driving mode with small occupied space in the scissor-type lifting platform becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cut fork elevating platform.
In order to achieve one of the above objects of the present invention, an embodiment of the present invention provides a scissor lift platform, which includes a base, a supporting table, an articulated shaft, and at least two scissor arm sets disposed between the base and the supporting table and oppositely disposed, each scissor arm set including two scissor arms articulated to each other in an X shape by the articulated shaft; further comprising: the driving device is fixedly arranged on the hinged shaft, and is arranged on a vertical plate on the left side of the hinged shaft, and the driving device drives the vertical plate to horizontally move towards or away from the hinged shaft; the upper end of the vertical plate is hinged with a first end of a first movable rod, and a second end of the first movable rod is rotatably connected to a part, located on the left side of the hinged shaft, of the first scissor arm; the lower end of the vertical plate is hinged with a first end of a second movable rod, and a second end of the second movable rod is rotatably connected to a part, located on the left side of the hinged shaft, of the second scissor arm; the first scissor arm group and the second scissor arm group are formed by the first scissor arm and the second scissor arm, and the first movable rod and the second movable rod are mutually crossed into an X shape.
As a further improvement of an embodiment of the present invention, the middle positions of the two scissor arms in each scissor arm set are hinged to each other through the hinge shaft.
As a further improvement of an embodiment of the present invention, the driving device includes: the hinge shaft comprises an inner threaded hole penetrating through the vertical plate, a screw rod extending into the inner threaded hole and matched with the inner threaded hole, and a motor driving the screw rod to rotate, wherein the motor is fixed on the hinge shaft.
As a further improvement of an embodiment of the present invention, the left end surface of the motor is fixed to the hinge shaft.
As a further improvement of an embodiment of the present invention, a second scissor arm set is further disposed between the base and the support table, and the first and second scissor arm sets are disposed oppositely; the second scissor arm group comprises a third scissor arm arranged opposite to the first scissor arm and a fourth scissor arm arranged opposite to the second scissor arm, and the third scissor arm and the fourth scissor arm are mutually hinged into an X shape through the hinge shaft; a first connecting rod is fixedly connected between the first scissor arm and the third scissor arm, and a second connecting rod is fixedly connected between the second scissor arm and the fourth scissor arm, wherein the first connecting rod and the second connecting rod are both positioned on the left side of the articulated shaft; the second end of the first movable rod is hinged to the first connecting rod, and the second end of the second movable rod is hinged to the second connecting rod.
As a further improvement of an embodiment of the present invention, the upper end of the vertical plate is hinged to the first end of the third movable rod, and the second end of the third movable rod is hinged to the first connecting rod; the lower end of the vertical plate is hinged to the first end of the fourth movable rod, and the second end of the fourth movable rod is hinged to the second connecting rod.
As a further improvement of an embodiment of the present invention, a third movable rod is hinged to a rear side of an upper end of the vertical plate, and a first movable rod is hinged to a front side of the upper end of the vertical plate; the fourth movable rod is hinged to the rear side of the lower end of the vertical plate, and the second movable rod is hinged to the front side of the lower end of the vertical plate.
As a further improvement of an embodiment of the present invention, the lower ends of the first and third scissor arms are hinged to the base, and the upper ends of the first and third scissor arms are slidably connected to the supporting platform; the upper ends of the second and fourth scissor arms are hinged to the supporting platform, and the lower ends of the second and fourth scissor arms are connected to the base in a sliding mode.
As a further improvement of an embodiment of the present invention, the upper ends of the first and third scissor arms are provided with first rollers, and the lower side surface of the support table is provided with a chute for the first rollers to slide left and right; the lower ends of the second and fourth scissor arms are provided with second rollers, and the upper side surface of the base is provided with a sliding groove for the second rollers to slide left and right.
As a further improvement of an embodiment of the present invention, the number of the scissor arm sets is two.
Compared with the prior art, the utility model discloses a technological effect lies in: an embodiment of the utility model provides a cut fork elevating platform, in this cut fork elevating platform, set up drive arrangement in the hinge pin, and the hinge shaft is located the scissors arm generally and is close to the position in the middle, consequently when a supporting bench is located the minimum, the possibility that drive arrangement stretches out from the base right side is very little, and then has reduced the shared space of drive arrangement.
Drawings
FIG. 1 is a schematic diagram of a prior art scissor lift;
fig. 2 and 3 are schematic structural views of a scissor lift in the present embodiment.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.
Terms such as "upper," "above," "lower," "below," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Also, it should be understood that, although the terms first, second, etc. may be used herein to describe various elements or structures, these described elements should not be limited by these terms. These terms are only used to distinguish these descriptive objects from one another. For example, a first scissor-arm set may be referred to as a second scissor-arm set, and similarly a second scissor-arm set may also be referred to as a first scissor-arm set, without departing from the scope of the present application.
The embodiment of the utility model provides a scissor-fork type lifting platform, as shown in fig. 2 and fig. 3, comprising a base 1, a supporting table 2, a hinge shaft 4 and at least two scissor arm groups which are arranged between the base 1 and the supporting table 2 and are oppositely arranged, wherein each scissor arm group comprises two scissor arms which are mutually hinged into an X shape through the hinge shaft 4; here, it should be noted that, in fig. 3, one scissor arm group is omitted, and it is understood that the raising or lowering of the support base 2 can be controlled by at least two scissor arm groups.
This cut fork elevating platform still includes:
the driving device 3 is fixedly arranged on the hinged shaft 4, the vertical plate 6 is arranged on the left side of the hinged shaft 4, and the driving device 3 drives the vertical plate 6 to horizontally move towards or away from the hinged shaft 4; here, the driving device 3 can drive the vertical plate 6 to reciprocate, for example, the driving device 3 and the vertical plate 6 together form a screw structure, or the driving device 3 is a cylinder device provided with a piston rod capable of driving the piston rod to reciprocate, the piston rod being connected to the vertical plate 6, and further capable of driving the vertical plate 6 to reciprocate. Here, the vertical plate 6 is located at the left side of the horizontal position of the hinge shaft 4, and the vertical plate 6 can be moved toward or away from the hinge shaft 4 along the horizontal position.
The upper end of the vertical plate 6 is hinged with a first end of a first movable rod 71, and a second end of the first movable rod 71 is rotatably connected to the part of the first scissor arm 51 on the left side of the hinged shaft 4; the lower end of the vertical plate 6 is hinged with the first end of a second movable rod 72, and the second end of the second movable rod 72 is rotatably connected to the part of the second scissor arm 52 which is positioned at the left side of the hinged shaft 4; the first and second scissor arms jointly form a first scissor arm group 5, and the first and second movable rods are crossed into an X shape.
Here, it is understood that the first scissor-arm set 5 is any one of the "at least two oppositely disposed scissor-arm sets".
As shown in fig. 2, the first end of the first movable bar 71 is located higher than the second end thereof, and the first end of the second movable bar 72 is located lower than the second end thereof in the vertical direction, so that the first and second movable bars cross each other in an X-shape.
Here, as shown in fig. 2, when the driving device 3 drives the vertical plate 6 to move to the right, the first and second movable rods drive the portions of the first and second scissor arms located above the hinge shaft 4 to approach each other and the portions located below the hinge shaft 4 to approach each other, thereby driving the support platform 2 to move upward; on the contrary, when the driving device 3 drives the vertical plate 6 to move leftwards, the first and second driving rods drive the parts of the first and second scissor arms, which are positioned on the upper side of the hinge shaft 4, to be away from each other and the parts of the first and second scissor arms, which are positioned on the lower side of the hinge shaft 4, to be away from each other, so as to drive the support platform 2 to move downwards. Further, when the supporting platform 2 moves up or down, the driving device 3 moves left and right, because the driving device 3 is fixed on the hinge shaft 4, and the hinge shaft 4 is usually located at a position where the first and second scissor arms are relatively close to the middle, when the supporting platform 2 moves down and reaches the lowest point, the driving device 3 is less likely to extend out from the right side of the base 1, and the space occupied by the driving device 3 is reduced, and in addition, the length of the scissor type lifting platform in the left and right direction can be shortened.
In this embodiment, the middle positions of the two scissor arms in each scissor arm group are hinged to each other through the hinge shaft 4.
In this embodiment, the driving device includes: the hinge shaft comprises a screw rod 31 which runs through an inner threaded hole of the vertical plate 6, extends into the inner threaded hole and is matched with the inner threaded hole, and a motor 32 which drives the screw rod 31 to rotate, wherein the motor 32 is fixed on the hinge shaft 4. Here, the vertical plate 6 and the screw 31 together form a screw structure, so that when the motor 32 drives the screw 31 to rotate, the vertical plate 6 cannot rotate along with the screw 32 due to the existence of the first and second movable rods, that is, the rotation of the screw 31 drives the vertical plate 6 to move towards (i.e., move towards right) or away from (i.e., move towards left) the hinge shaft 4, thereby driving the supporting platform 2 to move up or down.
In this embodiment, the left end surface of the motor 32 is fixed to the hinge shaft 4. Here, the left end face of motor 32 is fixed on articulated shaft 4, and motor 32 is located the right side of articulated shaft 4 promptly, and riser 6 and screw rod 31 will be located the left side of articulated shaft 4 to make whole riser 6, screw rod 31 and motor 32 all be in the intermediate position as far as possible, and then can effectively reduce the possibility that these three stretch out from the left side or the right side of base 1.
In this embodiment, a second scissor arm set is further arranged between the base 1 and the support table 2, and the first scissor arm set and the second scissor arm set are arranged oppositely; the second scissor arm group comprises a third scissor arm 53 arranged opposite to the first scissor arm 51 and a fourth scissor arm arranged opposite to the second scissor arm 52, and the third scissor arm and the fourth scissor arm are mutually hinged into an X shape through the hinge shaft 4; a first connecting rod 81 is fixedly connected between the first scissor arm and the third scissor arm, and a second connecting rod 82 is fixedly connected between the second scissor arm and the fourth scissor arm, wherein the first connecting rod and the second connecting rod are both positioned on the left side of the articulated shaft 4; the second end of the first movable bar 71 is hinged to the first connecting bar 81, and the second end of the second movable bar 72 is hinged to the second connecting bar 82.
Here, the first and third scissor arms are fixedly linked using the first connecting rod 81 so that the first and third scissor arms move in synchronization, and similarly, the second and fourth scissor arms are fixedly connected using the second connecting rod 82 so that the second and fourth scissor arms move in synchronization, thereby making the ascending or descending movement of the support table 2 more stable.
In this embodiment, the upper end of the vertical plate 6 is also hinged to the first end of the third movable rod, and the second end of the third movable rod is hinged to the first connecting rod 81; the lower end of the vertical plate 6 is also hinged to a first end of a fourth movable rod, the second end of which is hinged to a second connecting rod 82.
In this embodiment, the third movable bar is hinged to the rear side of the upper end of the riser 6, and the first movable bar 71 is hinged to the front side of the upper end of the riser 6; the fourth movable bar is hinged to a rear side of the lower end of the riser 6, and the second movable bar 72 is hinged to a front side of the lower end of the riser 6. Here, the movable rods are provided on both the front and rear sides of the upper end of the riser 6, and on both the front and rear sides of the lower end of the riser 6, it can be understood that this can stabilize the ascending or descending movement of the support table 2 more.
In the embodiment, the lower ends of the first and third scissor arms are hinged to the base 1, and the upper ends of the first and third scissor arms are connected to the supporting platform 2 in a sliding manner; the upper ends of the second and fourth scissor arms are hinged to the support table 2, and the lower ends of the second and fourth scissor arms are slidably connected to the base 1.
Here, as shown in fig. 2, a lower end of the first scissor arm 51 is hinged to the base 1 through a hinge shaft, a lower end of the third scissor arm 53 is hinged to the base 1 through a hinge shaft, and upper ends of the first and third scissor arms are slidably connected to the support base 2, that is, the upper ends of the first and third scissor arms are slidable along the support base 2. Alternatively, rollers may be provided at the upper ends of the first and third scissor arms, and a slide groove extending in the left-right direction may be provided at the lower side surface of the support base 2, along which the rollers may slide.
The upper end of the second scissor arm 52 is hinged to the support platform 2 via a hinge axis, the upper end of the fourth scissor arm is hinged to the support platform 2 via a hinge axis, and the lower ends of the second and fourth scissor arms are slidably connected to the base 1, i.e. the lower ends of the second and fourth scissor arms are slidable along the base 1. Optionally, a roller 9 is disposed at the lower end of the second and fourth scissor arms, a sliding slot extending in the left-right direction is disposed on the upper side of the base 1, and the roller 9 can slide along the sliding slot.
In summary, when the supporting platform 2 moves up or down, the lower ends of the first and third scissor arms and the upper ends of the second and fourth scissor arms are not moved, while the lower ends of the first and third scissor arms and the lower ends of the second and fourth scissor arms slide left and right.
In this embodiment, the upper ends of the first and third scissor arms are provided with first rollers, and the lower side surface of the support table 2 is provided with a chute for the first rollers to slide left and right;
the lower ends of the second and fourth scissor arms are provided with second rollers 9, and the upper side surface of the base 1 is provided with a sliding groove for the second rollers 9 to slide left and right.
In this embodiment, the number of the scissor arm groups is two.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A scissor-fork type lifting platform comprises a base (1), a supporting table (2), a hinge shaft (4) and at least two scissor arm groups arranged oppositely between the base (1) and the supporting table (2), wherein each scissor arm group comprises two scissor arms which are mutually hinged into an X shape through the hinge shaft (4); it is characterized by also comprising:
the driving device (3) is fixedly arranged on the hinged shaft (4), and a vertical plate (6) is arranged on the left side of the hinged shaft (4), and the driving device (3) drives the vertical plate (6) to horizontally move towards or away from the hinged shaft (4);
the upper end of the vertical plate (6) is hinged with a first end of a first movable rod (71), and a second end of the first movable rod (71) is rotatably connected to the part of the first scissor arm (51) on the left side of the hinged shaft (4); the lower end of the vertical plate (6) is hinged with a first end of a second movable rod (72), and a second end of the second movable rod (72) is rotatably connected to the part of the second scissor arm (52) on the left side of the hinged shaft (4); the first scissor arm group (5) is formed by the first scissor arm and the second scissor arm together, and the first movable rod and the second movable rod are crossed into an X shape.
2. A scissor lift platform according to claim 1, wherein:
the middle positions of the two scissor arms in each scissor arm group are hinged with each other through the hinge shaft (4).
3. A scissor lift platform according to claim 1, wherein the drive means comprises:
the hinge shaft comprises an inner threaded hole penetrating through the vertical plate (6), a screw rod (31) extending into the inner threaded hole and matched with the inner threaded hole, and a motor (32) driving the screw rod to rotate, wherein the motor (32) is fixed on the hinge shaft (4).
4. A scissor lift platform according to claim 3, wherein:
the left end face of the motor (32) is fixed on the hinge shaft (4).
5. A scissor lift platform according to claim 1, wherein:
a second scissor arm group is arranged between the base (1) and the support table (2), and the first scissor arm group and the second scissor arm group are arranged oppositely;
the second scissor arm group comprises a third scissor arm (53) arranged opposite to the first scissor arm (51) and a fourth scissor arm arranged opposite to the second scissor arm (52), and the third scissor arm and the fourth scissor arm are mutually hinged into an X shape through the hinge shaft (4);
a first connecting rod (81) is fixedly connected between the first scissor arm and the third scissor arm, and a second connecting rod (82) is fixedly connected between the second scissor arm and the fourth scissor arm, wherein the first connecting rod and the second connecting rod are both positioned on the left side of the articulated shaft (4);
the second end of the first movable bar (71) is hinged to a first connecting bar (81), and the second end of the second movable bar (72) is hinged to a second connecting bar (82).
6. A scissor lift platform according to claim 5, wherein:
the upper end of the vertical plate (6) is also hinged to the first end of a third movable rod, and the second end of the third movable rod is hinged to a first connecting rod (81); the lower end of the vertical plate (6) is also hinged to the first end of a fourth movable rod, and the second end of the fourth movable rod is hinged to a second connecting rod (82).
7. A scissor lift platform according to claim 6, wherein:
the third movable rod is hinged to the rear side of the upper end of the vertical plate (6), and the first movable rod (71) is hinged to the front side of the upper end of the vertical plate (6);
the fourth movable rod is hinged to the rear side of the lower end of the vertical plate (6), and the second movable rod (72) is hinged to the front side of the lower end of the vertical plate (6).
8. A scissor lift platform according to claim 4, wherein:
the lower ends of the first and third scissor arms are hinged to the base (1), and the upper ends of the first and third scissor arms are connected to the supporting platform (2) in a sliding manner;
the upper ends of the second and fourth scissor arms are hinged to the supporting platform (2), and the lower ends of the second and fourth scissor arms are connected to the base (1) in a sliding manner.
9. A scissor lift platform according to claim 8, wherein:
the upper ends of the first scissor arm and the third scissor arm are provided with first rollers, and the lower side surface of the support table (2) is provided with a sliding groove for the first rollers to slide left and right;
the lower ends of the second scissor arm and the fourth scissor arm are provided with second rollers (9), and the upper side surface of the base (1) is provided with a sliding groove for the second rollers (9) to slide left and right.
10. A scissor lift platform according to claim 1, wherein:
the number of the scissor arm groups is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921699947.0U CN210795639U (en) | 2019-10-11 | 2019-10-11 | Scissor-fork type lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921699947.0U CN210795639U (en) | 2019-10-11 | 2019-10-11 | Scissor-fork type lifting platform |
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| Publication Number | Publication Date |
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| CN210795639U true CN210795639U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921699947.0U Active CN210795639U (en) | 2019-10-11 | 2019-10-11 | Scissor-fork type lifting platform |
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| CN (1) | CN210795639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123979A (en) * | 2022-06-14 | 2022-09-30 | 广西大学 | Lifting platform and high-altitude rescue vehicle |
-
2019
- 2019-10-11 CN CN201921699947.0U patent/CN210795639U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123979A (en) * | 2022-06-14 | 2022-09-30 | 广西大学 | Lifting platform and high-altitude rescue vehicle |
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