CN220661536U - Locking mechanism of lifting device - Google Patents
Locking mechanism of lifting device Download PDFInfo
- Publication number
- CN220661536U CN220661536U CN202322229819.2U CN202322229819U CN220661536U CN 220661536 U CN220661536 U CN 220661536U CN 202322229819 U CN202322229819 U CN 202322229819U CN 220661536 U CN220661536 U CN 220661536U
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- locking
- cross beam
- locking mechanism
- driving
- block
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000010248 power generation Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 2
- 238000005187 foaming Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses a locking mechanism of a lifting device, and relates to the technical field of lifting machinery. The utility model comprises locking mechanisms arranged at two ends of a cross beam, wherein the locking mechanisms comprise locking blocks and locking motors, a plurality of locking blocks are fixed on the surface of each locking block, which is close to a driving gear, and the locking motors can drive the locking blocks to rotate so as to enable the clamping teeth to be clamped with the driving gears to limit the driving gears to move along racks. According to the utility model, the locking mechanisms are arranged at the two ends of the cross beam and comprise the locking blocks and the locking motors, the locking mechanisms can move to any height along the upright post along with the cross beam, and after the locking mechanisms reach the set height, the locking motors can drive the locking blocks to rotate, so that the clamping teeth are clamped with the driving gears to limit the driving gears to move along the racks, the positions of the cross beam and the upright post are locked, namely the lifting height is locked, the cross beam is effectively prevented from falling down due to gravity or overload, and the box body is suitable for production of various types of box bodies.
Description
Technical Field
The utility model belongs to the technical field of lifting machinery, and particularly relates to a locking mechanism of a lifting device.
Background
In the foaming process of the box body, such as the foaming process of the refrigerator heat-insulating shell, the box body needs to be driven to lift by a lifting mechanism. The Chinese patent publication No. CN208393965U discloses a box foaming double-servo driving lifting mechanism, which comprises a frame body, a servo motor, a steering gear, a rack, a driving shaft and a connecting rod; the frame body comprises four upright posts which are vertical and fixed on the ground, and racks are arranged on the inner sides of the two upright posts in the horizontal direction; the rack is meshed with the synchronous gear; a driving shaft penetrates through the through hole in the middle of the gear; the driving shaft is connected with the servo motor through a steering gear sleeved in the middle part, and a connecting rod is erected on the driving shaft. According to the scheme, the rack is meshed with the synchronous gear, and the gear rolls along the surface of the rack in a meshed mode, so that the connecting rod is driven to ascend and descend.
Furthermore, it can be seen by understanding the specification and drawings thereof: the scheme also comprises a locking device which is arranged on the upright post and arranged at two ends of the connecting rod, and after the servo motor drives the lower die to lift in place, the cylinder drives the locking device to lock and position the lower die. However, this locking structure has the following disadvantages:
on the one hand, the locking device is fixedly arranged on the upright post, the position of the locking device is fixed, and the lower die can be locked only when the servo motor drives the lower die to be lifted to the position. The types of the production line production boxes are more and more diversified, and the boxes with different types have different requirements on lifting heights. Therefore, the locking device is difficult to adapt to the production of various types of boxes, and restricts the flexibility of the production line.
On the other hand, the motor drive that whole elevating system adopted, and locking device uses the cylinder flexible to lock the location to the lower mould, consequently still need insert the air supply on this elevating system, arrange the gas circuit pipeline side by side, increased wiring degree of difficulty and installation complexity.
Disclosure of Invention
The utility model aims to provide a locking mechanism of a lifting device, which is characterized in that locking mechanisms are arranged at two ends of a cross beam, the locking mechanisms can move to any height along an upright post along with the cross beam, and after the cross beam reaches a set height, the cross beam is locked at any height through locking a driving gear in a stepless adjustment manner, so that the problem that the locking device in the prior art is difficult to adapt to production of various types of boxes and the flexibility of a production line is restricted is solved.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a locking mechanism of a lifting device, which comprises a cross beam, upright posts arranged at two ends of the cross beam, and a driving motor for driving the cross beam to lift along the upright posts; a rack is fixedly arranged on one side surface of the upright post, driving gears are fixedly connected to two sides of the driving motor through transmission shafts, and the driving gears are meshed with the rack. The locking mechanism is arranged at two ends of the cross beam and comprises a locking block and a locking motor, and the locking motor can drive the locking block to rotate so as to enable the locking block to be clamped with the driving gear to limit the driving gear to move along the rack, and therefore position locking of the cross beam and the upright column is achieved.
As a preferential technical scheme of the utility model, the two ends of the cross beam are fixedly provided with the supporting blocks, and the locking mechanism is arranged on the supporting blocks.
As a preferential technical scheme of the utility model, the locking mechanism further comprises a rotating shaft, and the rotating shaft penetrates through the supporting block and is in rotating fit with the supporting block; one end of the rotating shaft is fixedly connected with the locking block, and the other end of the rotating shaft is in transmission fit with the locking motor. When the locking block is clamped with the driving gear, the driving gear has a trend of rotating downwards along the rack, and forms a pulling force on the locking block, so that the pulling force is converted into bending stress of the rotating shaft, and the stress is prevented from being transmitted to the locking motor, so that motor faults are caused.
As a preferential technical scheme of the utility model, a first transmission gear is fixedly arranged at one end of the rotating shaft, which is close to the locking motor, and a second transmission gear is fixedly arranged on the output shaft of the locking motor, and the first transmission gear is meshed with the second transmission gear.
As a preferential technical scheme of the utility model, the locking block is fixed with a plurality of clamping teeth on the surface close to the driving gear, and the clamping teeth are clamped with the driving gear.
As a preferential technical scheme of the utility model, the locking block adopts an arc shape matched with the driving gear, and the clamping of the clamping teeth and the driving gear is more sufficient.
As a preferential technical scheme of the utility model, a limiting rod is fixed on one side of the supporting block, which is close to the locking block, and the surface, which is far away from the driving gear, of the locking block is abutted against the limiting rod so as to limit the opening and closing angle of the locking block.
The utility model has the following beneficial effects:
according to the utility model, the locking mechanisms are arranged at two ends of the cross beam and comprise the locking blocks and the locking motors, the locking blocks are fixedly provided with the clamping teeth on the surfaces close to the driving gears, the locking mechanisms can move to any height along the stand column along with the cross beam, and after the locking mechanisms reach the set height, the locking motors can drive the locking blocks to rotate, so that the clamping teeth are clamped with the driving gears to limit the driving gears to move along the stand column, the positions of the cross beam and the stand column are locked, namely the lifting height is locked, the cross beam is effectively prevented from falling down due to gravity or overload, and the box body production of various types is adapted.
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 view of a lifting device according to the present utility model;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the operating structure of the locking mechanism mounted on the lifting device;
FIG. 4 is a side view of FIG. 3;
in the drawings, the list of components represented by the various numbers is as follows:
the device comprises a 1-cross beam, a 2-upright post, a 3-driving motor, a 4-transmission shaft, a 5-driving gear, a 6-rack, a 7-supporting block, an 8-locking mechanism, a 801-locking motor, a 802-locking block, a 8021-latch, a 803-rotating shaft, a 804-first transmission gear, a 805-second transmission gear and a 806-limiting rod.
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.
In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1, the present embodiment provides a locking mechanism of a lifting device, which can refer to patent publication number CN216377329U issued by my department. Comprises a cross beam 1, upright posts 2 arranged at two ends of the cross beam 1, and a driving motor 3 for driving the cross beam 1 to lift along the upright posts 2. A rack 6 is fixedly arranged on one side surface of the upright post 2, two sides of the driving motor 3 are fixedly connected with a driving gear 5 through a transmission shaft 4, and the driving gear 5 is meshed with the rack 6. The driving motor 3 drives the driving gears 5 at two ends to rotate forward and backward, namely drives the driving gears 5 to move up and down along the racks 6, so that the cross beam 1 is lifted along the upright posts 2.
Referring to fig. 2 and 3, locking mechanisms 8 are disposed at two ends of the beam 1, and are used for locking the driving gear 5 at any position, so as to realize stepless locking adjustment of the lifting height of the beam 1. The two ends of the cross beam 1 are fixedly provided with supporting blocks 7, and the locking mechanism 8 is arranged on the supporting blocks 7. The locking mechanism 8 comprises a locking motor 801, a locking block 802 and a rotating shaft 803, and the locking motor 801 is arranged on the cross beam. The supporting block 7 is provided with a shaft sleeve, and the rotating shaft 803 penetrates through the shaft sleeve on the supporting block 7 and is in running fit with the shaft sleeve. One end of the rotating shaft 803 and the other end of the locking block 802, which is fixedly connected with the rotating shaft 803, are fixedly provided with a first transmission gear 804, the output shaft of the locking motor 801 is fixedly provided with a second transmission gear 805, and the first transmission gear 804 is meshed with the second transmission gear 805.
The locking block 802 is fixed with a plurality of latches 8021 on a surface close to the driving gear 5, and the latches 8021 can be clamped with the driving gear 5. As a preferable structure, one end of the locking block 802 adopts an arc shape matched with the driving gear 5, and the clamping teeth 8021 are in clamping connection with the driving gear 5 more fully and more uniformly stressed.
In operation, referring to fig. 1, 3 and 4, the driving motor 3 drives the beam 1 to lift along the upright post 2 through the cooperation of the transmission shaft 4, the driving gear 5 and the rack 6, and the locking block 802 is not in contact with the driving gear 5. When the beam 1 rises or falls to a set height, the locking motor 801 operates, and the locking block 802 is driven to rotate through the first transmission gear 804, the second transmission gear 805 and the rotating shaft 803, so that the latch 8021 on the locking block 802 is clamped with the driving gear 5, namely, the driving gear 5 is limited to rotate, and the position locking of the beam 1 and the upright post 2 is realized.
As a preferable scheme, as shown in fig. 2 and 3, the supporting block 7 is fixed with a limit bar 806 at a side close to the locking block 802, and a surface of the locking block 802 far from the driving gear 5 abuts against the limit bar 806 to limit the opening and closing angle of the locking block 802.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 (7)
1. The locking mechanism of the lifting device comprises a cross beam (1), upright posts (2) arranged at two ends of the cross beam (1), and a driving motor (3) for driving the cross beam (1) to lift along the upright posts (2); a rack (6) is fixedly arranged on one side surface of the upright post (2), driving gears (5) are fixedly connected to two sides of the driving motor (3) through transmission shafts (4), and the driving gears (5) are meshed with the rack (6), and the novel electric power generation device is characterized in that:
the locking mechanism (8) is arranged at two ends of the cross beam (1), the locking mechanism (8) comprises a locking block (802) and a locking motor (801), and the locking motor (801) can drive the locking block (802) to rotate so as to enable the locking block (802) to be clamped with the driving gear (5) to limit the driving gear (5) to move along the rack, and therefore position locking of the cross beam (1) and the upright post (2) is achieved.
2. Locking mechanism of a lifting device according to claim 1, characterized in that the two ends of the cross beam (1) are fixedly provided with supporting blocks (7), and the locking mechanism (8) is arranged on the supporting blocks (7).
3. A locking mechanism of a lifting device according to claim 2, characterized in that the locking mechanism (8) further comprises a rotating shaft (803), the rotating shaft (803) passing through the support block (7) and being in a rotating fit with the support block (7); one end of the rotating shaft (803) is fixedly connected with the locking block (802), and the other end of the rotating shaft (803) is in transmission fit with the locking motor (801).
4. A locking mechanism of a lifting device according to claim 3, characterized in that a first transmission gear (804) is fixedly arranged at one end of the rotating shaft (803) close to the locking motor (801), a second transmission gear (805) is fixedly arranged at an output shaft of the locking motor (801), and the first transmission gear (804) is meshed with the second transmission gear (805).
5. A locking mechanism for a lifting device according to any one of claims 2-4, characterized in that the locking block (802) is fixed with a plurality of latches (8021) on the surface near the driving gear (5), and the latches (8021) are clamped with the driving gear (5).
6. A locking mechanism for a lifting device according to claim 5, characterized in that the locking block (802) adopts an arc shape adapted to the driving gear (5).
7. The locking mechanism of a lifting device according to claim 6, wherein the supporting block (7) is fixed with a limit rod (806) at one side close to the locking block (802), and the surface of the locking block (802) far away from the driving gear (5) is abutted with the limit rod (806).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322229819.2U CN220661536U (en) | 2023-08-18 | 2023-08-18 | Locking mechanism of lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322229819.2U CN220661536U (en) | 2023-08-18 | 2023-08-18 | Locking mechanism of lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220661536U true CN220661536U (en) | 2024-03-26 |
Family
ID=90339867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322229819.2U Active CN220661536U (en) | 2023-08-18 | 2023-08-18 | Locking mechanism of lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220661536U (en) |
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2023
- 2023-08-18 CN CN202322229819.2U patent/CN220661536U/en active Active
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