CN211169686U - Synchronous lifting device for two independent rigid bodies - Google Patents
Synchronous lifting device for two independent rigid bodies Download PDFInfo
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- CN211169686U CN211169686U CN201920973490.1U CN201920973490U CN211169686U CN 211169686 U CN211169686 U CN 211169686U CN 201920973490 U CN201920973490 U CN 201920973490U CN 211169686 U CN211169686 U CN 211169686U
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- pulley block
- steel wire
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- bearing beam
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Abstract
The utility model relates to a synchronous lifting device of two independent rigid bodies, which is a rectangular opening lifting device and comprises a supporting frame arranged in the vertical direction of the rectangle, a longitudinal beam and a synchronous component which form the opening; the synchronous assembly comprises a transverse synchronous assembly and a longitudinal synchronous assembly, wherein the transverse synchronous assembly is arranged in parallel with the first layer of rectangular closed-end cross beam of the device, and the longitudinal synchronous assembly is arranged on the second layer of longitudinal beam of the device. The device can keep the synchronous lifting of two large-scale components on the principle of mechanical hardware, realizes the functions which can be achieved by a complex control device, and has simple structure and reliable work.
Description
Technical Field
The utility model relates to a lifting device, concretely relates to synchronous lifting device of two independent rigid bodies.
Background
Scientific research institutions need to rise large platform to a certain height to operate on the platform, and the synchronism of lifting is difficult to guarantee to large platform load to current elevating gear, influences the operation above it.
SUMMERY OF THE UTILITY MODEL
In order to solve the deficiencies existing in the prior art, the utility model provides a synchronous elevating gear of two independent rigid bodies utilizes hardware to make two large-scale components keep synchronous lift from the theory of mechanics, has realized the function that complicated controlling means could reach.
The utility model provides a technical scheme is:
the improvement of the synchronous lifting device for two independent rigid bodies is that the device is a rectangular opening lifting device, and comprises a supporting frame arranged in the vertical direction of a rectangle, a transverse girder forming an opening and a synchronous component;
the synchronous assembly comprises a transverse synchronous assembly and a longitudinal synchronous assembly, wherein the transverse synchronous assembly is arranged in parallel with the cross beam at the closed end of the first layer of the device, and the longitudinal synchronous assembly is arranged on the longitudinal beam of the second layer of the device.
Preferably, a steering driving caster is arranged below the first-layer rectangular connecting point of the device.
Preferably, the lateral synchronizing assembly includes: the bearing beam, the pulley blocks arranged at two ends of the bearing beam and the steel wire rope surrounding the pulley blocks are arranged on the bearing beam;
the bearing beam consists of a first bearing beam and a second bearing beam which are positioned on the same horizontal plane and are parallel to each other;
the bearing beam is connected with four rectangular fixed connection points formed on one ends of the first layer longitudinal beam and the second layer longitudinal beam of the supporting frame through steel wire ropes; and two ends of the steel wire rope are respectively connected with the fixed connection points at the diagonal positions of the rectangle, and the steel wire rope bypasses the lower side of the pulley block at one end of the carrier beam and then reversely bypasses the upper side of the pulley block at the other end of the carrier beam.
Further, the longitudinal synchronizing assembly comprises a fixed pulley block fixed seat, an oil cylinder supporting seat, a movable pulley block supporting seat and a fixed pulley fixed seat, which are sequentially arranged on the inner side of the second layer longitudinal beam, and the free end of the oil cylinder is provided with the movable pulley block supporting seat and the fixed pulley fixed seat;
the fixed pulley block fixing seat is provided with a first fixed pulley and a second fixed pulley which are parallel;
one end of a first steel wire rope in the longitudinal synchronous assembly is fixedly connected with an end point of a first bearing beam, and is fixedly connected to a fixed connection point between the oil cylinder supporting seat and the movable pulley block supporting seat after bypassing a fixed pulley on the upper side of the end point of the first bearing beam, the first fixed pulley on the upper side of the end point of a second bearing beam and the movable pulley block;
one end of a second steel wire rope in the longitudinal synchronizing assembly is fixedly connected with one end of a second bearing beam, and the other end of the second steel wire rope is fixedly connected to a fixed connection point between the oil cylinder supporting seat and the movable pulley block supporting seat after bypassing a second fixed pulley on the upper side of an end point of the second bearing beam and the movable pulley block.
Furthermore, a cylinder rod of the oil cylinder arranged on the oil cylinder supporting seat is connected with a movable pulley block in the steel wire rope synchronizing mechanism, and the cylinder barrel is hinged with the oil cylinder supporting seat.
Furthermore, the fixed connection point is of a bolt adjusting structure.
Compared with the closest prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses by supporting the frame, forming the horizontal longeron and the synchronous subassembly of frame are formed, keep the synchronous lift of two large-scale components from mechanical hardware principle, have realized the function that could reach by complicated controlling means, simple structure, and the stability of going up and down is good.
2. The utility model discloses being equipped with horizontal synchronizing assembly and vertical synchronizing assembly and having reduced rocking of carrier bar in the motion process, it is only to make the movement track confirm, and rigidity is synchronous completely, does not receive the influence of unbalance loading factor, and the synchronism is reliable, and the fault rate is low.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a three-dimensional view of a synchronous lifting device with two independent rigid bodies according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a carrier bar according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a longitudinal synchronization mechanism provided in an embodiment of the present invention;
fig. 4 is a schematic diagram of a transverse wire rope synchronizing mechanism provided by the embodiment of the present invention;
fig. 5 is a schematic structural view of a steel wire rope tensioning mechanism provided in the embodiment of the present invention;
in the figure: 1. a first load beam; 2. a second load beam; 3. a longitudinal beam fixed pulley; 4. a first fixed pulley; 5. a second fixed pulley; 6. a first wire rope; 7. a second wire rope; 8. an oil cylinder; 9. a first wire rope fixing point; 10. a second steel wire rope fixed contact; 11. a movable pulley block; 12. a slideway; 13. and (4) a pulley block.
Detailed Description
For a better understanding of the present invention, reference is made to the accompanying drawings and examples, which are set forth in the following description and are incorporated in the following description.
The utility model provides a device for synchronous lifting of two independent rigid bodies, as shown in figure 1, the device is a rectangular opening lifting device, which comprises a support frame arranged in the vertical direction of the rectangle, a longitudinal beam and a synchronous component, wherein the longitudinal beam and the synchronous component form an opening;
the synchronous assembly comprises a transverse synchronous assembly and a longitudinal synchronous assembly, wherein the transverse synchronous assembly is arranged in parallel with the first layer of rectangular closed-end cross beam of the device, and the longitudinal synchronous assembly is arranged on the second layer of longitudinal beam of the device.
Steering driving castors are arranged below the first layer of rectangular connecting points of the device respectively.
The lateral synchronization assembly includes: the device comprises a carrier beam, pulley blocks 13 arranged at two ends of the carrier beam and a steel wire rope 14 surrounding the pulley blocks;
the bearing beam consists of a first bearing beam 1 and a second bearing beam 2 which are positioned on the same horizontal plane and are parallel to each other;
as shown in fig. 4, the steel wire rope is fixed on four fixing points Z1, Z2, Z3 and Z4 of the support frame, the fixing points Z2 and Z4 are positioned on the first layer of longitudinal beam, and the fixing points Z1 and Z3 are positioned on the second layer of longitudinal beam to form a rectangle;
two ends of the steel wire rope are respectively fixed on the fixed connection points Z1 and Z2 or Z3 and Z4 of two opposite angles of the rectangle, and the steel wire rope bypasses the lower side of the pulley block at one end of the carrier beam and then reversely bypasses the upper side of the pulley block at the other end of the carrier beam.
The transverse steel wire rope synchronizing mechanism has no driving force, and ensures the synchronization performance of two ends of the same carrier bar only through a steel wire rope pulley block, the synchronization is rigid synchronization and is not influenced by unbalance loading caused by a loading position on the carrier bar;
since the pulley block 13 is fixed to the load beam, which is a rigid member, the distance L is constant.
For the steel cable, because the length of the steel cable is a fixed value and the distance L is a fixed value, the load-bearing beam can only move up and down, and the rotation movement is limited.
As shown in fig. 2, the left side oil cylinder provides pulling forces of F1 and F3, the right side oil cylinder provides pulling forces of F2 and F4, the left side steel wire rope synchronizing mechanism synchronizes left end points of the two carrier beams, and the right side steel wire rope synchronizing mechanism synchronizes right end points of the two carrier beams.
The movement principle of the longitudinal synchronization assembly is shown in fig. 3, taking a left-side steel wire rope synchronization mechanism as an example, the analysis steel wire rope synchronization principle is as follows:
the longitudinal synchronizing assembly comprises a fixed pulley block supporting seat, an oil cylinder supporting seat, a movable pulley block supporting seat and a fixed pulley fixing seat, wherein the fixed pulley block supporting seat and the oil cylinder supporting seat are sequentially arranged on the inner side of the second layer longitudinal beam;
a first fixed pulley 4 and a second fixed pulley 5 which are parallel are arranged on the fixed pulley block supporting seat;
one end of a first steel wire rope 6 in the longitudinal synchronizing assembly is fixedly connected with the left end point of a first bearing beam 1, and is fixedly connected to a first steel wire rope fixed connection point 9 between an oil cylinder supporting seat and a movable pulley block supporting seat after bypassing a longitudinal beam fixed pulley 3 on the upper side of the left end point of the first bearing beam 1, a first fixed pulley 4 on the upper side of the left end point of a second bearing beam 2 and a movable pulley block 11;
one end of a second steel wire rope 6 in the longitudinal synchronizing assembly is fixedly connected with one end of a second bearing beam 2, and the other end of the second steel wire rope is fixedly connected to a second steel wire rope fixing joint 10 between the oil cylinder supporting seat and the movable pulley block supporting seat after bypassing a second fixed pulley 5 on the upper side of an end point of the second bearing beam 2 and the movable pulley block 11.
The horizontal linear motion of the oil cylinder 8 is amplified by 2 times of the stroke through the movable pulley block 11, and then the direction of the steel wire rope is converted by the fixed pulley, and the steel wire rope is converted into the ascending and descending motion of two fixed connection points at the left end of the steel wire rope and the bearing beam. The oil cylinder 8 moves horizontally by 1mm, the left end points of the two carrier beams both ascend or descend by 2mm, the moving directions of the left end points of the two carrier beams are the same, the moving distances are the same, and synchronous lifting is guaranteed.
The principle of the right-side steel wire rope synchronizing mechanism is the same as that of the left side, and the right end points of the two bearing beams can be ensured to synchronously ascend or descend through the horizontal linear motion of the oil cylinder 8.
The cylinder rod of the oil cylinder 8 is connected with a movable pulley block 11 in the steel wire rope synchronizing mechanism, the cylinder barrel is hinged with the oil cylinder supporting seat, and the oil cylinder 8 pushes the movable pulley block 11 to do horizontal linear motion in a slideway 12.
The hydraulic oil cylinder is simple in structure and small in internal leakage, can realize a locking function through hydraulic locking elements such as a balance valve, is smooth and stable in a locking process, saves complex elements of a brake, and reduces the failure rate; the linear velocity of the hydraulic cylinder is constant, the problem of change of the winding radius of an upper wire rope of a winding drum in the winding mechanism is solved, and the speed in the lifting process is stable and controllable.
The fixed connection point is of a bolt adjusting structure, so that the steel wire rope can be conveniently tensioned and adjusted, and the specific structure is shown in fig. 5.
The above description is only exemplary of the invention and is not intended to limit the invention, and any modifications, equivalent alterations, improvements and the like which are made within the spirit and principle of the invention are all included in the scope of the claims which are appended hereto.
Claims (6)
1. The synchronous lifting device is characterized in that the device is a rectangular opening lifting device and comprises a supporting rack arranged in the vertical direction of a rectangle, a transverse girder forming an opening and a synchronous component;
the synchronous assembly comprises a transverse synchronous assembly and a longitudinal synchronous assembly, wherein the transverse synchronous assembly is arranged in parallel with the cross beam at the closed end of the first layer of the device, and the longitudinal synchronous assembly is arranged on the longitudinal beam of the second layer of the device.
2. The synchronous lifting device for two independent rigid bodies according to claim 1, wherein: and a steering driving caster wheel for moving the device is arranged below the rectangular connecting point of the first layer of the device.
3. The synchronous lifting device for two independent rigid bodies according to claim 1, wherein: the lateral synchronization assembly includes: the bearing beam, the pulley blocks arranged at two ends of the bearing beam and the steel wire rope surrounding the pulley blocks are arranged on the bearing beam;
the bearing beam consists of a first bearing beam and a second bearing beam which are positioned on the same horizontal plane and are parallel to each other;
the bearing beam is connected with four rectangular fixed connection points formed on one ends of the first layer longitudinal beam and the second layer longitudinal beam of the supporting frame through steel wire ropes; and two ends of the steel wire rope are respectively connected with the fixed connection points at the diagonal positions of the rectangle, and the steel wire rope bypasses the lower side of the pulley block at one end of the carrier beam and then reversely bypasses the upper side of the pulley block at the other end of the carrier beam.
4. A synchronous lifting device for two independent rigid bodies according to claim 3, characterized in that: the longitudinal synchronizing assembly comprises a fixed pulley block fixing seat, an oil cylinder supporting seat, a movable pulley block supporting seat and a fixed pulley fixing seat, wherein the fixed pulley block fixing seat, the oil cylinder supporting seat, the movable pulley block supporting seat and the fixed pulley fixing seat are sequentially arranged on the inner side of the second layer longitudinal beam;
the fixed pulley block fixing seat is provided with a first fixed pulley and a second fixed pulley which are parallel;
one end of a first steel wire rope in the longitudinal synchronous assembly is fixedly connected with an end point of a first bearing beam, and is fixedly connected to a fixed connection point between the oil cylinder supporting seat and the movable pulley block supporting seat after bypassing a fixed pulley on the upper side of the end point of the first bearing beam, the first fixed pulley on the upper side of the end point of a second bearing beam and the movable pulley block;
one end of a second steel wire rope in the longitudinal synchronizing assembly is fixedly connected with an end point of a second bearing beam, and the other end of the second steel wire rope bypasses a second fixed pulley on the upper side of the end point of the second bearing beam and the movable pulley block and is fixedly connected to a fixed connection point between the oil cylinder supporting seat and the movable pulley block supporting seat.
5. The synchronous lifting device for two independent rigid bodies according to claim 4, wherein: and a cylinder rod of the oil cylinder arranged on the oil cylinder supporting seat is connected with a movable pulley block in the steel wire rope synchronizing mechanism, and a cylinder barrel is hinged with the oil cylinder supporting seat.
6. The synchronous lifting device for two independent rigid bodies according to claim 4, wherein: the fixed connection point is of a bolt adjusting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973490.1U CN211169686U (en) | 2019-06-26 | 2019-06-26 | Synchronous lifting device for two independent rigid bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973490.1U CN211169686U (en) | 2019-06-26 | 2019-06-26 | Synchronous lifting device for two independent rigid bodies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211169686U true CN211169686U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920973490.1U Active CN211169686U (en) | 2019-06-26 | 2019-06-26 | Synchronous lifting device for two independent rigid bodies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211169686U (en) |
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2019
- 2019-06-26 CN CN201920973490.1U patent/CN211169686U/en active Active
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