CN209835522U - Scissor lift - Google Patents
Scissor lift Download PDFInfo
- Publication number
- CN209835522U CN209835522U CN201920418717.6U CN201920418717U CN209835522U CN 209835522 U CN209835522 U CN 209835522U CN 201920418717 U CN201920418717 U CN 201920418717U CN 209835522 U CN209835522 U CN 209835522U
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- CN
- China
- Prior art keywords
- scissor
- drive
- fork
- lead screw
- cut
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Abstract
The utility model provides a cut fork lift belongs to the jacking equipment field, include the roof-rack, be used for the drive the roof-rack reciprocates cut fork frame subassembly and be used for supporting cut the support chassis of fork frame subassembly, cut the fork frame subassembly and include that the multiunit cuts the fork and be used for driving the multiunit cut the fork and follow it opens and shuts in order to drive to support the chassis drive mechanism that the roof-rack reciprocated, drive mechanism including be equipped with power unit's mobile station and drive under the power unit drive the mobile station is followed support the pull rod that the chassis removed. The utility model discloses to cut the vertical lift mechanism of fork and map to the horizontal plane on, avoided complicated curve drive control, averagely driven torque, and make power unit drive and lift altitude variation linear relation, simplified control, reduced the control degree of difficulty.
Description
Technical Field
The utility model belongs to the jacking equipment field, concretely relates to cut fork lift.
Background
The existing scissor lift adopts an electric cylinder inclined pushing mode, the lifting height of the lift is controlled to be a curve, the control difficulty is higher, and the lifting stroke is small.
SUMMERY OF THE UTILITY MODEL
Based on the above background problem, the utility model aims at providing a motor drive and lift altitude variation are linear control's scissor lift to reduce the control degree of difficulty.
In order to achieve the above purpose, the utility model provides a technical scheme is:
the utility model provides a cut fork lift, includes the roof-rack, is used for the drive the roof-rack reciprocates cut fork frame subassembly and be used for supporting cut the support chassis of fork frame subassembly, cut the fork frame subassembly and include the multiunit and cut the fork and be used for driving the multiunit cut the fork and follow it opens and shuts in order to drive to support the chassis the actuating mechanism that the roof-rack reciprocated, actuating mechanism including be equipped with power unit's mobile station and drive under the power unit drive the mobile station is followed support the pull rod that the chassis removed.
In one embodiment, the power mechanism comprises a lead screw arranged perpendicular to the moving direction of the moving table along the supporting bottom frame, a driving motor for driving the lead screw to rotate, and a sliding block connected to the lead screw, wherein one end of the pull rod, which is adjacent to the moving table, is hinged to the sliding block so that the sliding block drives the end of the pull rod to move along the lead screw.
The supporting base frame is provided with a fixed platform opposite to the moving platform, and one end, far away from the moving platform, of the pull rod is hinged to the fixed platform.
Preferably, the driving motor drives the lead screw to rotate through a transmission mechanism.
More preferably, the transmission mechanism comprises a first chain wheel connected with the output shaft of the driving motor, a first chain wheel connected with the lead screw, and a chain for connecting the first chain wheel and the second chain wheel.
More preferably, the driving motor is a servo motor.
A plurality of groups of shearing forks are arranged between the mobile station and the fixed station, one supporting rod of one group of shearing forks positioned at the bottom is hinged with the mobile station, and the other supporting rod is hinged with the fixed station.
Preferably, pulleys are arranged at two ends of the mobile station, and sliding rails for the pulleys to move are arranged on the inner wall of the supporting bottom frame corresponding to the moving range of the mobile station.
More preferably, four top feet of the supporting underframe are respectively provided with a supporting seat.
Compared with the prior art, the utility model discloses following effect has:
1. the utility model maps the vertical lifting mechanism of the scissor fork onto the horizontal plane, avoids the complex curve driving control and the requirement for the large torque of the driving motor, averages the driving torque, and leads the driving motor and the height of the lifter to change into a linear relation, simplifies the control and reduces the control difficulty; 2. the utility model discloses a power unit is servo motor and lead screw, makes the lift more stable.
Drawings
Fig. 1 is a schematic structural view of a scissor lift according to an embodiment of the present invention;
fig. 2 is a top view of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to solve the problem that scissor lift altitude control among the prior art is the curve relation, and the control degree of difficulty is higher, this embodiment provides a scissor lift, as shown in fig. 1, include roof-rack 1, be used for the drive the fork frame subassembly is cut that roof-rack 1 reciprocated and be used for supporting the support chassis 2 of fork frame subassembly, the fork frame subassembly includes the multiunit and cuts the fork frame and be used for driving the multiunit cut the fork frame to follow support chassis 2 opens and shuts in order to drive the actuating mechanism that roof-rack 1 reciprocated, actuating mechanism including be equipped with power unit's mobile station 3 and drive under the power unit drive mobile station 3 follows support chassis 2 the pull rod 4 that removes. Under the drive of the power mechanism, one end of the pull rod 4 moves along the power mechanism, because the length of the pull rod 4 is fixed, the pull rod 4 drives the mobile station 3 to move along the direction vertical to the moving direction of the end part of the pull rod 4, the force amplification is realized, and the mobile station 3 pushes the fork shearing frame to move, so that the jacking frame 1 is jacked up. This embodiment is through on the vertical lift mechanism with cutting the fork maps to the horizontal plane, has avoided complicated curve drive control, avoids the demand to the big moment of torsion of power unit promptly, has averagely driven torque, and makes power unit drive and lift altitude variation linear, has simplified control, has reduced the control degree of difficulty.
In this embodiment, as shown in fig. 1, the top frame 1 and the supporting bottom frame 2 are both rectangular frame structures, a set of fork shearing frames is arranged between the top frame 1 and the supporting bottom frame 2, each fork shearing frame includes two fork shearing frames 5 arranged in parallel, each fork shearing frame 5 includes two support rods, and the middle positions of the two support rods are hinged to each other. The supporting base frame 2 is provided with a fixed table 6 opposite to the moving table 3, the fixed table 6 is arranged close to the right side of the supporting base frame 2, the bottom end of one of the supporting rods of the scissor fork 5 is hinged with the power mechanism, and the bottom end of the other supporting rod is hinged with the fixed table 6.
In this embodiment, as shown in fig. 2, the power mechanism includes a lead screw 301 disposed parallel to the width direction of the supporting chassis 2, a driving motor 302 for driving the lead screw 301 to rotate, and a slider 303 connected to the lead screw 301, one end of the pull rod 4 adjacent to the moving platform 3 is hinged to the slider 303 so that the slider 303 drives the end of the pull rod 4 to move along the lead screw 301, one end of the pull rod 4 away from the moving platform 3 is hinged to the fixed platform 6, and in order to increase the lifting stroke of the elevator, one end of the pull rod 4 away from the moving platform 3 is disposed near the end of the fixed platform 6. The driving motor 302 drives the screw 301 to rotate, the sliding block 303 on the screw 301 moves to one side, so as to drive the end part of the pull rod 4 to move to the same side, and in the moving process, the pull rod 4 pushes or pulls the moving platform 3 to move along the length direction of the supporting underframe 2 because the pull rod 4 is a rigid structure with fixed length.
More specifically, the driving motor 302 drives the lead screw 301 to rotate through a transmission mechanism, the transmission mechanism includes a first sprocket connected to an output shaft of the driving motor 302, a first sprocket connected to an end of the lead screw 301, and a chain 304 for connecting the first sprocket and the second sprocket, and the driving motor 302 selectively uses a servo motor.
In this embodiment, as shown in fig. 1, in order to realize the movement of the mobile station 3 along the supporting chassis 2, pulleys are provided at both ends of the mobile station 3, and a slide rail for moving the pulleys is provided on the inner wall of the supporting chassis 2 at a position corresponding to the moving range of the mobile station 3; supporting bases 201 are arranged at four top feet of the supporting underframe 2.
The utility model discloses when using, driving motor 302 drives first sprocket and rotates, and under the transmission of chain 304, the second sprocket drives lead screw 301 and rotates, is located slider 303 on the lead screw 301 and removes on one side to the tip that drives pull rod 4 removes to the homonymy, at the removal in-process, because pull rod 4 is the rigid structure of length fixing, consequently pull rod 4 promotes or stimulates the length direction removal of mobile station 3 along supporting chassis 2. The moving of the mobile station 3 drives the scissor 5 to open and close so as to drive the top frame 1 to ascend and descend. In the concrete use, the utility model discloses can be arranged in the cloth piece blanking machine to be used for driving the windrow belt and reciprocate.
It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (9)
1. A scissor lift comprises a top frame, a scissor rack assembly used for driving the top frame to move up and down, and a supporting chassis used for supporting the scissor rack assembly, wherein the scissor rack assembly comprises a plurality of groups of scissor forks and a driving mechanism used for driving the plurality of groups of scissor forks to open and close along the supporting chassis so as to drive the top frame to move up and down,
the driving mechanism comprises a moving platform provided with a power mechanism and a pull rod which drives the moving platform to move along the supporting underframe under the driving of the power mechanism.
2. A scissor lift according to claim 1, wherein the power mechanism comprises a lead screw arranged perpendicular to the moving platform in the direction of movement of the support chassis, a drive motor for driving the lead screw to rotate, and a slider connected to the lead screw, wherein one end of the pull rod adjacent to the moving platform is hinged to the slider so that the slider drives the end of the pull rod to move along the lead screw.
3. A scissor lift according to claim 2, wherein a stationary table is arranged on the support chassis opposite the mobile table, and wherein the end of the pull rod remote from the mobile table is hinged to the stationary table.
4. A scissor lift according to claim 2, wherein the drive motor drives the lead screw in rotation via a transmission.
5. A scissor lift according to claim 4, wherein the transmission comprises a first sprocket connected to the output shaft of the drive motor, a first sprocket connected to the lead screw, and a chain for connecting the first and second sprockets.
6. A scissor lift according to claim 5, wherein the drive motor is a servo motor.
7. A scissor lift according to claim 3, wherein a plurality of sets of scissor forks are provided between the mobile station and the stationary station, one leg of the bottom set of scissor forks being hinged to the mobile station and the other leg being hinged to the stationary station.
8. A scissor lift according to claim 3, wherein pulleys are provided at both ends of the mobile station, and a slide rail for the movement of the pulleys is provided on the inner wall of the support chassis at a position corresponding to the range of movement of the mobile station.
9. A scissor lift according to claim 8, wherein support seats are provided at each of the four legs of the support chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418717.6U CN209835522U (en) | 2019-03-29 | 2019-03-29 | Scissor lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920418717.6U CN209835522U (en) | 2019-03-29 | 2019-03-29 | Scissor lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209835522U true CN209835522U (en) | 2019-12-24 |
Family
ID=68909063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920418717.6U Active CN209835522U (en) | 2019-03-29 | 2019-03-29 | Scissor lift |
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| Country | Link |
|---|---|
| CN (1) | CN209835522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779242A (en) * | 2020-07-24 | 2020-10-16 | 杭州励博家居有限公司 | Wallboard links up fixing device based on whole wooden house |
-
2019
- 2019-03-29 CN CN201920418717.6U patent/CN209835522U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779242A (en) * | 2020-07-24 | 2020-10-16 | 杭州励博家居有限公司 | Wallboard links up fixing device based on whole wooden house |
| CN111779242B (en) * | 2020-07-24 | 2021-12-03 | 台州康苑生物科技有限公司 | Wallboard links up fixing device based on whole wooden house |
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