CN220951045U - Synchronous jacking mechanism - Google Patents
Synchronous jacking mechanism Download PDFInfo
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- CN220951045U CN220951045U CN202323023580.XU CN202323023580U CN220951045U CN 220951045 U CN220951045 U CN 220951045U CN 202323023580 U CN202323023580 U CN 202323023580U CN 220951045 U CN220951045 U CN 220951045U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009194 climbing Effects 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of material transportation, in particular to a synchronous jacking mechanism, which comprises a power assembly and jacking assemblies distributed on two sides of the power assembly; the power assembly comprises a first support, a servo motor, a second support, an umbrella wheel seat, a steering gear set, a wear-resistant sleeve, a transmission shaft and a convex key; the jacking component comprises a mounting table, a movable table, a worm wheel seat, a worm wheel, a transmission sleeve, a worm, a positioning block, a guide sleeve, a sliding rod and a combined stabilizing frame; the synchronous jacking mechanism is reasonable in structural design, the distance between the two jacking components can be adjusted according to requirements, the application range of the synchronous jacking mechanism is expanded, and the two ends of the mechanism are synchronously lifted by virtue of single-drive transmission, so that the level of a lifting surface is ensured; meanwhile, the sensor and the combined stabilizing frame are matched, so that the operation of the jacking mechanism is safer and more reliable, the situation of locking or reversing caused by exceeding a stroke is avoided, and the buffering effect of the mechanism when the bearing exceeds a rated load is ensured.
Description
Technical Field
The utility model relates to the technical field of material transportation, in particular to a synchronous lifting mechanism.
Background
In the technical field of material transportation, lifting platforms for vertical conveying in logistics systems such as factories and automatic warehouses or lifting platforms of unmanned carrier vehicles often appear in lifting type use scenes. The lifting platform can be used as a connecting device of conveying lines with different heights and is generally driven by hydraulic pressure, so the lifting platform is also called as a hydraulic lifting platform and is widely applied to operations such as high-altitude installation and maintenance besides being used for conveying goods with different heights. In addition, the device can be divided into scissors type, lifting type, sleeve type, lifting arm type, folding arm type and the like according to different lifting mechanisms. However, the traditional lifting platform has the defects of large volume and low precision of the jacking mechanism, and is not suitable for being applied to a small-stroke jacking mechanism.
Therefore, the patent specification with the publication number of CN217867940U discloses a synchronous jacking mechanism and an AGV trolley with the synchronous jacking mechanism, wherein when the thrust blocks of the synchronous jacking mechanism are driven by a linear driving structure to synchronously move away, the corresponding lifting sliding blocks can be synchronously pushed to ascend, so that the small-stroke jacking of a jacking plate is realized; when the wedge blocks are driven by the linear driving structure to synchronously approach, the lifting plate and the lifting sliding block can descend by means of self gravity. The jacking mechanism is driven by the linear driving structure and the jacking of the wedge-shaped block inclined plane synchronously to realize small-stroke jacking, and has the advantages of stable structure and high positioning precision.
However, the synchronous jacking mechanism still has the defects when in use, firstly, the distance between two supporting points is fixed, the adjustment can not be carried out according to the requirements, and the application range of the synchronous jacking mechanism is limited; secondly, the falling is realized by means of self gravity, the time consumption is long, the automatic control is not facilitated, and the stroke control of the upper limit value and the lower limit value of the lifting cannot be realized. Therefore, there is a need for an improved and optimized structure.
Disclosure of utility model
The utility model aims to overcome the problems in the prior art and provide a synchronous jacking mechanism.
In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:
A synchronous jacking mechanism comprises a power assembly and jacking assemblies distributed on two sides of the power assembly;
The power assembly comprises a first support, a servo motor, a second support, an umbrella wheel seat, a steering gear set, wear-resistant sleeves, a transmission shaft and convex keys, wherein the servo motor is installed on the first support, an output shaft of the servo motor is in transmission connection with two transmission shafts which are arranged side by side through the steering gear set, the steering gear set is installed in the umbrella wheel seat, two ends of the umbrella wheel seat are respectively supported by the second support, the transmission shaft is positioned at a position penetrating through the second support and sleeved with the wear-resistant sleeves, and the outer side of the transmission shaft is provided with the convex keys matched with the transmission shaft in length;
The jacking assembly comprises an installation table, a movable table, a worm wheel seat, a worm wheel, a transmission sleeve, a worm, a positioning block, a guide sleeve, a sliding rod and a combined stabilizing frame, wherein the worm wheel seat is arranged in the middle of the installation table, the guide sleeve is symmetrically arranged on two sides of the installation table, the sliding rod is limited in the guide sleeve in a sliding mode, the movable table is supported at the top end of the sliding rod, the positioning block is arranged in the middle of the inner side of the movable table, the worm wheel seat is internally provided with the worm wheel and the worm matched with the worm wheel, the worm wheel is driven to rotate by the transmission sleeve extending into the worm wheel seat, a splicing groove matched with the transmission shaft and a convex key is formed in the transmission sleeve, the top end of the worm is rotationally limited in the positioning block, and the combined stabilizing frame is arranged between the installation table and the movable table.
Further, in the above synchronous jacking mechanism, the steering gear set includes a driving bevel gear and two driven bevel gears, the driving bevel gear is mounted on an output shaft of the servo motor, the two driven bevel gears are respectively mounted on corresponding transmission shafts, and each driven bevel gear and the driving bevel gear form an umbrella-shaped steering gear set.
Further, in the synchronous jacking mechanism, the whole umbrella wheel seat is of a T-shaped structure, and the umbrella wheel seat and the second support are of an integrated structure.
Furthermore, in the synchronous jacking mechanism, the adjustment of the distance between the two jacking components is realized by adjusting the storage length of the transmission shaft in the transmission sleeve.
Further, in the synchronous jacking mechanism, a metal ring which can be detected by the proximity sensor is installed at the bottom end of one worm, and the proximity sensor is installed at the lower side of the installation table through a first detection bracket.
Further, in the synchronous jacking mechanism, the combined stabilizing frame comprises an upper lug seat, a first connecting plate, a second connecting plate, a third connecting plate, a lower lug seat and a connecting rod, wherein the second connecting plate is two in total and is arranged side by side, the end part of the second connecting plate is connected with one ends of the first connecting plate and the third connecting plate through the connecting rod, the other end of the first connecting plate is rotationally connected with the upper lug seat fixed on the lower side of the movable table, and the other end of the third connecting plate is rotationally connected with the lower lug seat fixed on the upper side of the mounting table.
Further, in the above-mentioned synchronous jacking mechanism, a shielding plate which can be detected by the photoelectric displacement sensor is installed on one of the third connecting plates, and the photoelectric displacement sensor is installed on the upper side of the installation table through a second detection bracket.
Further, in the synchronous jacking mechanism, when the movable table is moved to the upper limit position, the position of the metal ring can be just detected by the proximity sensor, the proximity sensor sends a signal reaching the upper limit position to the controller, and the controller controls the servo motor to reversely rotate; when the movable table moves to the lower limit position, the position of the shielding plate can be just detected by the photoelectric displacement sensor, the photoelectric displacement sensor sends a signal reaching the lower limit position to the controller, and the controller controls the servo motor to reversely rotate again.
The beneficial effects of the utility model are as follows:
The synchronous jacking mechanism is reasonable in structural design, the distance between the two jacking components can be adjusted according to requirements, the application range of the synchronous jacking mechanism is expanded, the synchronous jacking mechanism is suitable for a lifting scene, the two ends of the mechanism are synchronously lifted by virtue of single-drive transmission, the level of a lifting surface is ensured, and the occurrence of mechanical damage caused by angle deviation due to non-parallelism is avoided; meanwhile, the sensor and the combined stabilizing frame are matched, so that the operation of the jacking mechanism is safer and more reliable, the situation of locking or reversing caused by exceeding a stroke is avoided, and the buffering effect of the mechanism when the bearing exceeds a rated load is ensured.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the whole structure of the present utility model;
FIG. 2 is a schematic diagram of the overall front view of the present utility model;
FIG. 3 is a schematic top view of the overall structure of the present utility model;
FIG. 4 is a schematic perspective view of a power assembly according to the present utility model;
FIG. 5 is a schematic perspective view of a jack mechanism according to the present utility model;
FIG. 6 is a schematic diagram of a front view of a jack mechanism according to the present utility model;
FIG. 7 is a schematic view of the assembly of a drive shaft and drive sleeve of the present utility model;
FIG. 8 is a schematic perspective view of a combined stabilizer of the present utility model;
in the drawings, the list of components represented by the various numbers is as follows:
The device comprises a power component, a first support, a 102-servo motor, a 103-second support, a 104-umbrella wheel seat, a 105-wear-resistant sleeve, a 106-transmission shaft, a 107-convex key, a 2-jacking component, a 201-installation table, a 202-movable table, a 203-worm wheel seat, a 204-transmission sleeve, a 205-worm, a 206-positioning block, a 207-guide sleeve, a 208-sliding rod, a 209-metal ring, a 210-first detection support, a 211-proximity sensor, a 212-upper lug seat, a 213-first connecting plate, a 214-second connecting plate, a 215-third connecting plate, a 216-lower lug seat, a 217-connecting rod, a 218-shielding plate, a 219-second detection support and a 220-photoelectric displacement sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, the present embodiment provides a synchronous jacking mechanism, which includes a power assembly 1 and jacking assemblies 2 distributed on both sides thereof.
As shown in fig. 4, the power assembly 1 includes a first support 101, a servo motor 102, a second support 103, an umbrella wheel seat 104, a steering gear set, a wear sleeve 105, a transmission shaft 106, and a cam 107. The first support 101 is provided with a servo motor 102, an output shaft of the servo motor 102 is in transmission connection with two transmission shafts 106 arranged side by side through a steering gear set, the steering gear set is arranged in the umbrella wheel seat 104, and two ends of the umbrella wheel seat 104 are respectively supported by a second support 103. The transmission shaft 106 is positioned at a position penetrating the second support 103 and sleeved with a wear-resistant sleeve 105, and the outer side of the transmission shaft 106 is provided with a convex key 107 matched with the transmission shaft in length.
As shown in fig. 5 to 7, the jacking assembly 2 includes a mounting table 201, a movable table 202, a worm wheel seat 203, a worm wheel, a transmission sleeve 204, a worm 205, a positioning block 206, a guide sleeve 207, a slide bar 208, and a combination stabilizer. The middle part of the mounting table 201 is provided with a worm wheel seat 203, guide sleeves 207 are symmetrically arranged on two sides of the mounting table 201, and sliding rods 208 are limited in the guide sleeves 207 in a sliding way. The top ends of the sliding rods 208 jointly support the movable table 202, and a positioning block 206 is arranged in the middle of the inner side of the movable table 202. The worm wheel 203 is internally provided with a worm wheel and a worm 205 matched with the worm wheel, and the worm wheel is driven to rotate by a transmission sleeve 204 extending into the worm wheel 203. The transmission sleeve 204 is provided with a splicing groove matched with the transmission shaft 106 and the convex key 107, the top end of the worm 205 is limited in the positioning block 206 in a rotating way, and a combined stabilizing frame is arranged between the mounting table 201 and the movable table 202. The adjustment of the distance between the two jacking assemblies 2 is achieved by adjusting the storage length of the transmission shaft 106 in the transmission sleeve 204.
In this embodiment, the steering gear set includes a drive bevel gear and two driven bevel gears, the drive bevel gear is mounted on the output shaft of the servo motor 102, the two driven bevel gears are respectively mounted on the corresponding transmission shafts 106, and each driven bevel gear and the drive bevel gear form a bevel steering gear set.
In this embodiment, the pulley seat 104 has a T-shaped structure, and the pulley seat 104 and the second support 103 are integrally formed.
In this embodiment, a metal ring 209 capable of being detected by a proximity sensor 211 is mounted to the bottom end of one of the worms 205, and the proximity sensor 211 is mounted to the underside of the mounting table 201 through a first detection bracket 210.
As shown in fig. 8, the combined stabilizer comprises an upper ear seat 212, a first connecting plate 213, a second connecting plate 214, a third connecting plate 215, a lower ear seat 216 and a connecting rod 217. The second connecting plates 214 are two in number and are arranged side by side, the end parts of the second connecting plates 214 are connected with one ends of the first connecting plates 213 and the third connecting plates 215 through connecting rods 217, the other ends of the first connecting plates 213 are rotationally connected with the upper ear bases 212 fixed on the lower side of the movable table 202, and the other ends of the third connecting plates 215 are rotationally connected with the lower ear bases 216 fixed on the upper side of the mounting table 201. One of the third link plates is mounted with a shielding plate 218 that can be detected by a photoelectric displacement sensor 220, and the photoelectric displacement sensor 220 is mounted on the upper side of the mounting table 201 through a second detection bracket 219.
In this embodiment, when the movable table 202 is displaced to the upper limit position, the position of the metal ring 209 can be just detected by the proximity sensor 211, and the proximity sensor 211 sends a signal to the controller for reaching the upper limit position, and the controller controls the servo motor 102 to rotate reversely; when movable table 202 is displaced to the lower limit position, the position of shutter 218 is just detected by photoelectric displacement sensor 220, and photoelectric displacement sensor 220 sends a signal to the controller that controls servo motor 102 to rotate in the reverse direction again. Repeating the steps to realize the reciprocating jacking operation.
One specific application of this embodiment is: the synchronous jacking mechanism is reasonable in structural design, the distance between the two jacking assemblies 2 can be adjusted according to requirements, the application range of the synchronous jacking mechanism is expanded, the synchronous jacking mechanism is suitable for a lifting scene, the two ends of the mechanism are synchronously lifted by means of single-drive transmission, the level of a lifting surface is ensured, and angle deviation caused by non-parallelism is avoided, so that mechanical damage is caused; meanwhile, the sensor and the combined stabilizing frame are matched, so that the operation of the jacking mechanism is safer and more reliable, the situation of locking or reversing caused by exceeding a stroke is avoided, and the buffering effect of the mechanism when the bearing exceeds a rated load is ensured.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The utility model provides a synchronous climbing mechanism which characterized in that: comprises a power component and jacking components distributed on two sides of the power component;
The power assembly comprises a first support, a servo motor, a second support, an umbrella wheel seat, a steering gear set, wear-resistant sleeves, a transmission shaft and convex keys, wherein the servo motor is installed on the first support, an output shaft of the servo motor is in transmission connection with two transmission shafts which are arranged side by side through the steering gear set, the steering gear set is installed in the umbrella wheel seat, two ends of the umbrella wheel seat are respectively supported by the second support, the transmission shaft is positioned at a position penetrating through the second support and sleeved with the wear-resistant sleeves, and the outer side of the transmission shaft is provided with the convex keys matched with the transmission shaft in length;
The jacking assembly comprises an installation table, a movable table, a worm wheel seat, a worm wheel, a transmission sleeve, a worm, a positioning block, a guide sleeve, a sliding rod and a combined stabilizing frame, wherein the worm wheel seat is arranged in the middle of the installation table, the guide sleeve is symmetrically arranged on two sides of the installation table, the sliding rod is limited in the guide sleeve in a sliding mode, the movable table is supported at the top end of the sliding rod, the positioning block is arranged in the middle of the inner side of the movable table, the worm wheel seat is internally provided with the worm wheel and the worm matched with the worm wheel, the worm wheel is driven to rotate by the transmission sleeve extending into the worm wheel seat, a splicing groove matched with the transmission shaft and a convex key is formed in the transmission sleeve, the top end of the worm is rotationally limited in the positioning block, and the combined stabilizing frame is arranged between the installation table and the movable table.
2. The synchronized lifting mechanism of claim 1, wherein: the steering gear set comprises a driving bevel gear and two driven bevel gears, the driving bevel gear is arranged on an output shaft of the servo motor, the two driven bevel gears are respectively arranged on corresponding transmission shafts, and each driven bevel gear and the driving bevel gear form a bevel steering gear set.
3. The synchronized lifting mechanism of claim 1, wherein: the whole of the umbrella wheel seat is of a T-shaped structure, and the umbrella wheel seat and the second support are of an integrated structure.
4. The synchronized lifting mechanism of claim 1, wherein: the adjustment of the distance between the two jacking assemblies is realized by adjusting the storage length of the transmission shaft in the transmission sleeve.
5. The synchronized lifting mechanism of claim 1, wherein: the bottom end of one worm is provided with a metal ring which can be detected by the proximity sensor, and the lower side of the mounting table is provided with the proximity sensor through a first detection bracket.
6. The synchronized lifting mechanism of claim 5, wherein: the combined stabilizing frame comprises an upper lug seat, a first connecting plate, a second connecting plate, a third connecting plate, a lower lug seat and a connecting rod, wherein the second connecting plate is two in number and arranged side by side, the end part of the second connecting plate is connected with one ends of the first connecting plate and the third connecting plate through the connecting rod, the other end of the first connecting plate is rotationally connected with the upper lug seat fixed on the lower side of the movable table, and the other end of the third connecting plate is rotationally connected with the lower lug seat fixed on the upper side of the mounting table.
7. The synchronized lifting mechanism of claim 6, wherein: one of the third connecting plates is provided with a shielding plate which can be detected by the photoelectric displacement sensor, and the photoelectric displacement sensor is arranged on the upper side of the mounting table through a second detection bracket.
8. The synchronized lifting mechanism of claim 7, wherein: when the movable table is moved to the upper limit position, the position of the metal ring can be just detected by a proximity sensor, the proximity sensor sends a signal reaching the upper limit position to a controller, and the controller controls the servo motor to reversely rotate; when the movable table moves to the lower limit position, the position of the shielding plate can be just detected by the photoelectric displacement sensor, the photoelectric displacement sensor sends a signal reaching the lower limit position to the controller, and the controller controls the servo motor to reversely rotate again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323023580.XU CN220951045U (en) | 2023-11-09 | 2023-11-09 | Synchronous jacking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323023580.XU CN220951045U (en) | 2023-11-09 | 2023-11-09 | Synchronous jacking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220951045U true CN220951045U (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323023580.XU Active CN220951045U (en) | 2023-11-09 | 2023-11-09 | Synchronous jacking mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN220951045U (en) |
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2023
- 2023-11-09 CN CN202323023580.XU patent/CN220951045U/en active Active
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