CN223089947U - Speed reducing mechanism and telescopic boom crane - Google Patents
Speed reducing mechanism and telescopic boom crane Download PDFInfo
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- CN223089947U CN223089947U CN202422219116.6U CN202422219116U CN223089947U CN 223089947 U CN223089947 U CN 223089947U CN 202422219116 U CN202422219116 U CN 202422219116U CN 223089947 U CN223089947 U CN 223089947U
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Abstract
一种减速机构及伸缩臂起重机，该减速机构包括：箱体、输入轴、输出轴、第一减速齿轮组件、第二减速齿轮组件，第一减速齿轮组件、第二减速齿轮组件均转动连接在箱体内；第一减速齿轮组件的输入端与输入轴连接，第一减速齿轮组件输出端通过连接齿轮与第二减速齿轮组件连接；第二减速齿轮组件包括第二大齿轮、两个与第二大齿轮啮合的第二小齿轮。本实用新型中，两个第二小齿轮同时与第二大齿轮啮合，增加了同时啮合的齿数，提高了传动的平稳性，且可以分散载荷，提高齿轮的承载能力，增加第二减速齿轮组件的各齿轮的结构强度，提高了整个传动系统的可靠性。此外，本实用新型将减速机构安装在一个箱体中，有效节约了占用空间，使结构更加紧凑。
A deceleration mechanism and a telescopic boom crane, the deceleration mechanism comprising: a housing, an input shaft, an output shaft, a first deceleration gear assembly, and a second deceleration gear assembly, wherein the first deceleration gear assembly and the second deceleration gear assembly are both rotatably connected in the housing; the input end of the first deceleration gear assembly is connected to the input shaft, and the output end of the first deceleration gear assembly is connected to the second deceleration gear assembly through a connecting gear; the second deceleration gear assembly comprises a second large gear and two second small gears meshing with the second large gear. In the utility model, the two second small gears mesh with the second large gear at the same time, which increases the number of teeth meshing at the same time, improves the smoothness of the transmission, and can disperse the load, improve the bearing capacity of the gears, increase the structural strength of each gear of the second deceleration gear assembly, and improve the reliability of the entire transmission system. In addition, the utility model installs the deceleration mechanism in a housing, which effectively saves the occupied space and makes the structure more compact.
Description
Technical Field
The utility model relates to the technical field of equipment related to a power exchange station, in particular to a speed reducing mechanism and a telescopic boom crane.
Background
The power exchange station is an energy station for providing charging for the power battery of the electric automobile and rapidly exchanging the power battery. The centralized charging station is used for centralized storage, charging and unified distribution of a large number of batteries, and battery replacement service is carried out on the electric automobile in the battery distribution station. In the power exchange station, the crane plays an important role, is mainly used for carrying, hoisting and unloading the new energy battery, and is used for replacing and maintaining the new energy battery in the power exchange station, so that the working efficiency and the working accuracy are greatly improved.
However, in the existing power exchange station crane, a lifting appliance is generally lifted through a steel wire rope, the steel wire rope is wound on a winding drum, and the winding drum is driven to rotate through a motor so as to perform winding and unwinding operations. The motor is connected with the winding roll through a speed reducer. Generally, the existing speed reducer has only one contact point with the winding roll, so that the structural strength of the speed reducer is poor, and the normal operation of equipment can be influenced after long-term use.
In addition, most of the existing power exchange station structures adopt container structures, and most of cranes are large in size and occupy large space in the container, so that the size of the container is large, and the transportation difficulty, the material and the transportation cost are high in an intangible way.
Disclosure of utility model
The utility model aims to provide a speed reducing mechanism to solve the problems of lower structural strength and larger occupied space of a speed reducer for a lifting device of an existing power exchange station.
The utility model also aims to provide a telescopic boom crane which is used for solving the problems of lower structural strength and larger occupied space of the existing power exchange station lifting device.
To solve the above problems, one of the objects of the present utility model is achieved by:
The speed reducing mechanism comprises a box body, an input shaft, an output shaft, a first speed reducing gear assembly and a second speed reducing gear assembly, wherein the first speed reducing gear assembly and the second speed reducing gear assembly are both rotationally connected in the box body;
The input end of the first reduction gear assembly is connected with the input shaft, and the output end of the first reduction gear assembly is connected with the second reduction gear assembly through a connecting gear;
The second reduction gear assembly comprises second large gears and second small gears, the number of the second small gears is two, and the two second small gears are meshed with the second large gears.
The first reduction gear assembly comprises a first input piece and a first output piece meshed with the first input piece, the axial direction of the first output piece is perpendicular to the axial direction of the first input piece, and the first input piece is coaxially arranged on the input shaft.
The first input piece comprises a first conical pinion, the first output piece comprises a first conical large gear meshed with the first conical pinion, and the first conical pinion is coaxially and fixedly sleeved on the input shaft.
The first transmission shaft is fixedly connected to the central axis of the first output piece, the connecting gear is coaxially and fixedly connected to the first transmission shaft, and the connecting gear is meshed with the two second pinions.
Wherein the height of the second large gear installation side of the case is smaller than the height of the first output member installation side of the case.
Wherein, the output shaft is coaxial fixed connection with the second gear wheel.
To solve the above problems, a second object of the present utility model is to achieve the following:
the telescopic boom crane comprises the speed reducing mechanism and further comprises:
A connecting frame;
the telescopic frame is connected with the connecting frame in a sliding manner;
The lifting device is connected with the lifting appliance through a steel wire rope to adjust lifting of the lifting appliance, and comprises a lifting bracket which is in sliding connection with the telescopic frame and a winding reel for winding the steel wire rope, the speed reducing mechanism is arranged in the lifting bracket, and the winding reel is coaxial with and fixedly connected with the output shaft of the speed reducing mechanism;
and the driving motor is fixedly connected with the input shaft of the speed reducing mechanism.
The connecting frame comprises a first guide rail and a sliding frame which is in sliding connection with the first guide rail, wherein the telescopic frame is in sliding connection with the sliding frame, and the sliding direction of the telescopic frame is perpendicular to the sliding direction of the sliding frame.
The connecting structure between the sliding frame and the first guide rail, the connecting structure between the telescopic frame and the sliding frame and the connecting structure between the hanging frame and the telescopic frame all adopt a transmission structure meshed with a gear and a rack.
Wherein the hanging bracket is in a rectangular box structure.
The beneficial effects of the utility model are as follows:
In the utility model, the number of the second pinions is two, and the two second pinions are simultaneously meshed with the second bull gear, so that two meshing points are arranged between the second bull gear and the second pinions, namely, two contact points are arranged, the number of teeth which are simultaneously meshed is increased, and the transmission stability is improved. The two second pinions are meshed with the second large gears simultaneously, so that load can be dispersed, the bearing capacity of the gears is improved, the structural strength of each gear of the second reduction gear assembly is increased, the gears can bear larger load, and the reliability of the whole transmission system can be improved. In addition, the two-stage speed reducing structure can enable the speed reducing mechanism to have a larger speed reducing ratio and can provide a larger torque.
In addition, the speed reducing mechanism is arranged in the box body, so that the occupied space is effectively saved, the structure is more compact, the flattening of the structure can be realized, the whole structure is compact and flattened after the speed reducing mechanism is combined with the connecting frame, the telescopic frame, the lifting device and the driving motor, the occupied space in terms of height is reduced, the speed reducing mechanism is arranged in the container, the size of the container can be reduced, and the material cost is reduced in an intangible way. In addition, the modularized detachable connection structure of the speed reducing mechanism, the connecting frame, the telescopic frame and the lifting device can be used for disassembling each module and then transporting the module during transportation, so that the transportation cost is reduced.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of a reduction mechanism of the present utility model;
FIG. 2 is a schematic view of the reduction mechanism with the housing removed;
fig. 3 is an outline view of the reduction mechanism of the present utility model;
FIG. 4 is a schematic view of the telescopic boom crane of the present utility model;
Fig. 5 is a partial structural schematic diagram of the telescopic boom crane.
Description of the reference numerals
1. The speed reducing mechanism comprises 11, a box body, 12, an input shaft, 13, an output shaft, 14, a first speed reducing gear assembly, 141, a first conical pinion, 142, a first conical big gear, 15, a second speed reducing gear assembly, 151, a second pinion, 152, a second big gear, 16, a connecting gear, 17, a first transmission shaft, 2, a connecting frame, 21, a first guide rail, 22, a sliding frame, 23, a sliding seat, 24, a first motor, 25, a shaft rod, 3, a telescopic frame, 31, a telescopic arm, 32, a second motor, 4, a lifting device, 41, a hanging bracket, 42, a winding reel, 421, a wire slot, 43, a third motor, 44, a fixed pulley, 5, a driving motor, 6, a hanging bracket, 7, a wire rope, 8, a planetary speed reducer, 91, a rack, 92 and a gear.
Detailed Description
The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Embodiment one:
as shown in fig. 1-3, a speed reducing mechanism 1 of the present utility model includes a housing 11, an input shaft 12, an output shaft 13, a first speed reducing gear assembly 14, and a second speed reducing gear assembly 15, wherein the first speed reducing gear assembly 14 and the second speed reducing gear assembly 15 are rotatably connected in the housing 11. The input end of the first reduction gear assembly 14 is connected with the input shaft 12, and the output end of the first reduction gear assembly 14 is connected with the second reduction gear assembly 15 through a connecting gear 16. The second reduction gear assembly 15 includes a second large gear 152 and second small gears 151, the number of the second small gears 151 being two, and the two second small gears 151 being meshed with the second large gear 152.
As shown in fig. 1 and 2, in the present utility model, the number of the second pinions 151 is two, and the two second pinions 151 are simultaneously meshed with the second bull gear 152, so that two meshing points, that is, two contact points, are formed between the second bull gear 152 and the second pinions 151, which increases the number of teeth meshed simultaneously, and improves the stability of transmission. The two second pinions 151 are simultaneously meshed with the second bull gear 152, so that the load can be dispersed, the bearing capacity of the gears can be improved, the structural strength of each gear of the second reduction gear assembly 15 can be increased, the gears can bear larger load, and the reliability of the whole transmission system can be improved. In addition, the two-stage reduction structure can enable the reduction mechanism 1 to have a larger reduction ratio and can provide a larger torque.
In the present embodiment, the first reduction gear assembly 14 includes a first input member, and a first output member engaged with the first input member, the first output member having an axial direction perpendicular to the axial direction of the first input member, the first input member being coaxially disposed on the input shaft 12, the input shaft 12 being disposed horizontally. In one embodiment, the first input member may include a worm, the first output member may include a worm gear, and the right-angle transmission of speed reduction can be realized by a transmission structure in which the worm gear is matched with the worm gear, in another embodiment, the first input member may also include a first conical pinion 141, and the first output member may also include a first conical large gear 142 meshed with the first conical pinion 141, so that the transmission efficiency can be improved and the bearing capacity between the gears can be enhanced while the right-angle transmission of speed reduction is realized. In the second embodiment, the first input member includes a first tapered pinion 141, and the first output member includes a first tapered large gear 142 engaged with the first tapered pinion 141, and the first tapered pinion 141 is coaxially and fixedly sleeved on the input shaft 12. In the present embodiment, the diameter of the addendum circle of the large gear is larger than that of the addendum circle of the small gear by comparing the diameters of the addendum circles.
As shown in fig. 1 and 2, the first transmission shaft 17 is fixedly connected to the central axis of the first output member, the connecting gear 16 is coaxially and fixedly connected to the first transmission shaft 17, and the connecting gear 16 is meshed with two second pinions 151. In the present embodiment, the input shaft 12 is horizontally disposed, and the central axis of the first tapered pinion 141 is on the same line as the central axis of the input shaft 12. The central axis of the first conical big gear 142 is fixedly connected with the first transmission shaft 17, namely, the first transmission shaft 17 is coaxially and fixedly arranged at the central axis of the first conical big gear 142 in a penetrating mode, the central axis of the first transmission shaft 17 is vertically arranged, the central axis of the first transmission shaft 17 is perpendicular to the central axis of the input shaft 12, and the central axis of the first transmission shaft 17 and the central axis of the input shaft 12 are on the same vertical plane, so that the structure of the speed reducer is more compact. The first large bevel gear 142 and the connecting gear 16 are respectively disposed on both sides of the first transmission shaft 17 in the axial direction, and the diameter of the tip circle of the connecting gear 16 is smaller than the diameter of the first large bevel gear 142, and the diameter of the tip circle of the connecting gear 16 is identical to the diameter of the tip circle of the second small pinion 151.
As shown in fig. 1 and 3, the height of the second large gear 152 mounting side of the case 11 is smaller than the height of the first output member (i.e., the first conical large gear 142) mounting side of the case 11. In this embodiment, the case 11 has an L-shaped closed case structure. The axial two ends of the first transmission shaft 17 are respectively connected with the upper side and the lower side of the box 11 in a rotating way through bearings. The central axis of the two second pinions 151 is fixedly penetrated with a rotating shaft, and the two rotating shafts are rotatably connected with the box 11 through bearings.
The output shaft 13 is fixedly connected coaxially with the second large gear 152. One axial end of the output shaft 13 is fixedly connected with an end face of one axial end of the second large gear 152, in this embodiment, the output shaft 13 is vertically arranged, the bottom end of the output shaft 13 is fixedly connected with the top end of the second large gear 152, and the second large gear 152 is rotatably connected with the box 11. The tip of the output shaft 13 is used to connect a spool 42. In the utility model, the speed reducing mechanism 1 is arranged in the L-shaped box 11, and the winding reel 42 can be arranged at the lower part outside the box 11, so that the structure is more compact. The engagement of the two second pinions 151 with the connecting gear 16 can increase the horizontal distance, and can accommodate a larger outer diameter spool 42.
Embodiment two:
As shown in fig. 4 and 5, the telescopic boom crane according to the present utility model includes a reduction mechanism 1 according to the first embodiment, and further includes a link 2, a telescopic frame 3, a lifting device 4, and a driving motor 5.
In order to adjust the lifting appliance in multiple directions, the connecting frame 2 comprises a first guide rail 21 and a sliding frame 22 which is slidably connected with the first guide rail 21, the telescopic frame 3 is slidably connected with the sliding frame 22, the sliding direction of the telescopic frame 3 is perpendicular to the sliding direction of the sliding frame 22, the telescopic arm crane can be enabled to extend and adjust in two perpendicular directions (namely, the X axis and the Y axis), the multi-direction adjustment can be carried out through one crane, the structure is simplified on the premise of realizing the multi-direction adjustment, and the space is saved. In the present embodiment, the first rail 21 includes two rails disposed in parallel and opposite to each other, and the slide frame 22 is slidably connected between the two rails of the first rail 21. Two sides of the upper part of the sliding frame 22 along the axial direction perpendicular to the first guide rail 21 are fixedly connected with a sliding seat 23, the sliding seat 23 is rotationally connected with a roller, and rails on the corresponding sides are provided with sliding grooves for sliding fit with the roller. A first motor 24 is arranged between the two sliding seats 23, an output shaft of the first motor 24 is fixedly connected with a double-shaft output speed reducer, two output shafts of the double-shaft output speed reducer are respectively connected with the sliding seats 23 on the corresponding sides through shaft rods 25, one ends of the shaft rods 25 are connected with the output shafts of the first motor 24 through universal couplings, and the other ends of the shaft rods 25 are connected with the sliding seats 23 through the universal couplings, so that the first motor 24 can be guaranteed to stably drive the sliding frames 22 to slide. The connection structure between the sliding frame 22 and the first guide rail 21 adopts a transmission structure that the gear 92 is meshed with the rack 91, specifically, the sliding seat 23 is rotationally connected with the gear, the gear 92 is connected with the shaft lever 25 on the corresponding side through a universal coupling, the rack 91 which is used for being meshed with the gear 92 is arranged on the corresponding rail of the first guide rail 21, and the axial direction of the rack 91 is parallel to the axial direction of the first guide rail 21, so that the rotation of the two gears 92 can be adjusted simultaneously by the simplest structure, the transmission structure is more compact, and the transmission structure is more stable.
As shown in fig. 4 and 5, the telescopic frame 3 is slidably connected to the link frame 2. The sliding direction of the telescopic frame 3 is perpendicular to the sliding direction of the slide frame 22. In the present embodiment, the telescopic frame 3 includes two telescopic arms 31 arranged in parallel. The two sides of the telescopic frame 3 perpendicular to the sliding direction are rotationally connected with a plurality of rollers, and each telescopic arm is provided with a chute which is used for being in sliding fit with the roller. The connecting structure between the telescopic frame 3 and the sliding frame 22 adopts a transmission structure that the gear 92 is meshed with the rack 91, so that the transmission stability is improved. Specifically, a rack 91 is fixedly arranged on one of the telescopic arms, the axial direction of the rack 91 is parallel to the axial direction of the telescopic arm, a gear 92 for meshing with the rack 91 is rotatably connected to the corresponding side of the sliding frame 22, a second motor 32 is mounted on the sliding frame 22, and the second motor 32 drives the gear 92 to rotate through a speed reducer.
The lifting device 4 is connected with the lifting appliance 6 through the steel wire rope 7 to adjust the lifting of the lifting appliance 6, the lifting device 4 comprises a lifting frame 41 which is in sliding connection with the telescopic frame 3, and a winding reel 42 (shown in fig. 3) for winding the steel wire rope 7, the speed reducing mechanism 1 is arranged in the lifting frame 41, the winding reel 42 is coaxial with and fixedly connected with the output shaft 13 of the speed reducing mechanism 1, and the lifting appliance 6 only needs to be a lifting appliance in the prior art, and the lifting appliance does not belong to the innovation point of the utility model. In the present embodiment, the casing 11 of the reduction mechanism 1 has an L-shaped casing structure, and the height of the second large gear 152 mounting side of the casing 11 is smaller than that of the first output member of the casing 11 (i.e.: the first conical big gear 142) is installed on the side, namely, the top surface of the second big gear 152 of the box 11 is lower than the top surface of the first output piece of the box 11, in this embodiment, the top surface of the second big gear 152 of the box 11 is called the high surface of the box 1, the top surface of the first output piece of the box 11 is called the low surface of the box 1, the winding reel 42 is arranged on the low surface of the box 11 of the speed reducing mechanism 1, the bottom end of the winding reel 42 is fixedly connected with the top end of the output shaft 13, the central axis of the winding reel 42 is vertically arranged, 4 wire grooves 421 are axially arranged on the winding reel 42, each wire groove 421 is correspondingly wound with one wire rope 7, in this embodiment, four corners in the hanging frame 41 are rotatably connected with 4 fixed pulleys 44, one end of the wire rope 7 is fixedly connected with the corresponding winding reel 42, the other end of the wire rope is fixedly connected with the hanging tool 6 after the corresponding fixed pulleys 44 are wound around the corresponding fixed pulleys 421, a plurality of wire grooves 421 are arranged on the winding reel 42, a plurality of wire grooves are arranged on the winding reel 42, the winding reel is arranged on the wire groove, the winding reel 42 is provided with the wire rope, the winding reel is provided with a plurality of wire ropes, the wire ropes are wound on the wire ropes, the winding reel is provided with a plurality of wire ropes are wound on the wire ropes, the wire ropes are wound on the wire ropes are in a small number, the wire ropes are more than one wire ropes are wound, the wire ropes are wound by the wire ropes, the wire ropes are more wire ropes are simultaneously, and the wire ropes are more wire ropes are wound and the wire ropes are more wire ropes are required and the wire ropes are wound. The driving motor 5 is fixedly connected with the input shaft 12 of the reduction mechanism 1, in this embodiment, the driving motor 5 is fixedly connected with the input shaft 12 of the reduction mechanism 1 through a planetary reducer 8, and the planetary reducer 8 is a standard planetary reducer in the prior art. Hanger 41 has a rectangular box configuration. The driving motor 5, the speed reducing mechanism 1, the winding reel 42 and the fixed pulley 44 of the first embodiment are all arranged in the box body structure, so that the structure is more compact, the space is effectively saved, and the appearance is attractive. The utility model realizes the compression of the whole device in the height space by combining the speed reducing mechanism 1, the connecting frame 2, the telescopic frame 3, the lifting device 4 and the driving motor 5.
As shown in fig. 4, the opposite sides of the hanger 41 are rotatably connected with rollers, and the telescopic arms 31 on the corresponding sides of the telescopic frame 3 are provided with sliding grooves for sliding connection with the rollers. The connection structure between the hanger 41 and the telescopic frame 3 adopts a transmission structure in which a gear 92 is meshed with a rack 91, specifically, the rack 91 is fixedly arranged on the other telescopic arm 31, the axial direction of the rack 91 is parallel to the axial direction of the telescopic arm 31, a third motor 43 is fixedly arranged on the outer side of the hanger 41, and the third motor 43 is connected with the gear 92 which is used for being meshed with the rack 91 of the other telescopic arm 31 through a speed reducer. In the utility model, the sliding of each structure is regulated by the meshing of the gear 92 and the rack 91, so that the sliding is more stable, and the oil leakage problem in the driving of the hydraulic cylinder is avoided. In addition, the first guide rail 21 and the sliding frame 22, the sliding frame 22 and the telescopic frame 3 and the hanging frame 41 are in sliding fit through the rollers and the sliding grooves, the transmission connection is realized through the meshing of the gear 92 and the rack 91, and the detachable modularized connection between the structures is realized through the combination of the two, so that the modules can be separated and transported firstly, and the transportation difficulty and the transportation cost are reduced.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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.
Claims (10)
1. The speed reducing mechanism is characterized by comprising a box body, an input shaft, an output shaft, a first speed reducing gear assembly and a second speed reducing gear assembly, wherein the first speed reducing gear assembly and the second speed reducing gear assembly are both rotationally connected in the box body;
The input end of the first reduction gear assembly is connected with the input shaft, and the output end of the first reduction gear assembly is connected with the second reduction gear assembly through a connecting gear;
The second reduction gear assembly comprises second large gears and second small gears, the number of the second small gears is two, and the two second small gears are meshed with the second large gears.
2. A reduction gear as defined in claim 1, wherein the first reduction gear assembly includes a first input member and a first output member engaged with the first input member, the first output member having an axial direction perpendicular to the axial direction of the first input member, the first input member being coaxially disposed on the input shaft.
3. A reduction mechanism according to claim 2, wherein the first input member includes a first tapered pinion gear and the first output member includes a first tapered pinion gear engaged with the first tapered pinion gear, the first tapered pinion gear being coaxially and fixedly journaled on the input shaft.
4. A reduction mechanism according to claim 2, wherein the first output member has a first drive shaft fixedly connected to a central axis thereof, the connecting gear being coaxially and fixedly connected to the first drive shaft, the connecting gear being meshed with the two second pinions.
5. A reduction mechanism according to claim 2, wherein the height of the second bull gear mounting side of the housing is less than the height of the first output member mounting side of the housing.
6. A reduction mechanism according to claim 1, wherein the output shaft is fixedly connected coaxially with the second gearwheel.
7. A telescopic boom crane comprising a reduction mechanism according to any one of claims 1-6, further comprising:
A connecting frame;
a telescopic frame slidably connected with the connecting frame 41
The lifting device is connected with the lifting appliance through a steel wire rope to adjust lifting of the lifting appliance, and comprises a lifting bracket which is in sliding connection with the telescopic frame and a winding reel for winding the steel wire rope, the speed reducing mechanism is arranged in the lifting bracket, and the winding reel is coaxial with and fixedly connected with the output shaft of the speed reducing mechanism;
and the driving motor is fixedly connected with the input shaft of the speed reducing mechanism.
8. The telescopic boom crane of claim 7, wherein the connecting frame comprises a first guide rail and a sliding frame slidingly connected with the first guide rail, the telescopic frame is slidingly connected with the sliding frame, and the sliding direction of the telescopic frame is perpendicular to the sliding direction of the sliding frame.
9. The telescopic boom crane of claim 8, wherein the connection structure between the slide frame and the first rail, the connection structure between the telescopic frame and the slide frame, and the connection structure between the hanger and the telescopic frame are all transmission structures with gears meshed with racks.
10. The telescopic boom crane of claim 7, wherein said cradle is a rectangular box structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422219116.6U CN223089947U (en) | 2024-09-10 | 2024-09-10 | Speed reducing mechanism and telescopic boom crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422219116.6U CN223089947U (en) | 2024-09-10 | 2024-09-10 | Speed reducing mechanism and telescopic boom crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223089947U true CN223089947U (en) | 2025-07-11 |
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ID=96289012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422219116.6U Active CN223089947U (en) | 2024-09-10 | 2024-09-10 | Speed reducing mechanism and telescopic boom crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223089947U (en) |
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2024
- 2024-09-10 CN CN202422219116.6U patent/CN223089947U/en active Active
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