CN216737257U - Tower crane rotation angle detection device - Google Patents
Tower crane rotation angle detection device Download PDFInfo
- Publication number
- CN216737257U CN216737257U CN202220178148.4U CN202220178148U CN216737257U CN 216737257 U CN216737257 U CN 216737257U CN 202220178148 U CN202220178148 U CN 202220178148U CN 216737257 U CN216737257 U CN 216737257U
- Authority
- CN
- China
- Prior art keywords
- gear
- fluted disc
- tower crane
- connecting rod
- potentiometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The utility model discloses a device for detecting the rotation angle of a tower crane, which comprises a fluted disc (2) meshed and connected with a rotation fluted disc (1) of the tower crane, wherein the fluted disc (2) is connected with a connecting rod (3), and the connecting rod (3) is vertically fixed at the center of the fluted disc (2); the connecting rod (3) is fixedly connected with a transmission gear (4), and the transmission gear (4) and the fluted disc (2) have the same tooth number; a gear (5) is meshed on the transmission gear (4), and the number of teeth of the gear (5) is the same as that of the rotary fluted disc (1); a potentiometer (6) is arranged on one side of the gear (5), and a rotating shaft on the potentiometer (6) is vertically fixed at the center of the gear (5). The utility model not only can improve the detection precision, but also has the advantages of lower equipment cost and longer service life of the equipment.
Description
Technical Field
The utility model relates to the field of tower crane detection, in particular to a device for detecting the rotation angle of a tower crane.
Background
The tower crane is one of necessary construction equipment for high-rise buildings, and the safety problem of the tower crane is very important in the field of buildings.
The tower crane generally has lifting, rotating and amplitude-changing operations, wherein a tower arm performs rotating motion and is completed by driving a driving gear to rotate through a motor to drive a rotating fluted disc to rotate. The rotation angle of the tower arm is an important parameter in the operation of the tower crane, and therefore, real-time and accurate measurement is required.
At present, the rotation angle measurement of a common tower arm is generally realized by meshing a fluted disc on a rotation fluted disc, vertically connecting a connecting rod at the center of the fluted disc and directly connecting the end part of the connecting rod with an encoder. In the actual use process of the tower crane, under the condition that an operator operates the tower arm to rotate for multiple circles or the tower arm is driven by external wind power to rotate for multiple circles, the encoder is easy to generate overload errors, and the detection precision is low; at the same time, the equipment cost of the encoder is high. Therefore, the existing tower crane rotation angle detection device has the problems of low detection precision and high equipment cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for detecting the rotation angle of a tower crane. The utility model not only can improve the detection precision, but also has the advantage of lower equipment cost.
The technical scheme of the utility model is as follows: a tower crane rotation angle detection device comprises a fluted disc meshed and connected to a tower crane rotation fluted disc, wherein a connecting rod is connected to the fluted disc and vertically fixed at the center of the fluted disc; the connecting rod is fixedly connected with a transmission gear, and the transmission gear and the fluted disc have the same tooth number; the transmission gear is engaged with a gear, and the number of teeth of the gear is the same as that of the rotary fluted disc; a potentiometer is arranged on one side of the gear, and a rotating shaft on the potentiometer is vertically fixed at the center of the gear.
In the rotation angle detection device of the tower crane, a waterproof box is arranged outside the potentiometer, a mounting plate is fixed in the waterproof box, and the mounting plate is fixedly connected with the potentiometer main body.
In the device for detecting the rotation angle of the tower crane, the transmission gear and the gear are both positioned in the waterproof box.
In the device for detecting the rotation angle of the tower crane, the bearing with the seat is fixed at the position corresponding to the connecting rod in the waterproof box, and the connecting rod is rotatably arranged on the bearing with the seat.
Compared with the prior art, the rotary fluted disc of the tower crane is engaged with the fluted disc, and the fluted disc drives the gear to rotate through the connecting rod and the transmission gear on the connecting rod; because the tooth discs at the two end parts of the connecting rod are the same as the transmission gear, and the tooth numbers of the gear and the rotary tooth disc are the same, the rotation angle of the rotary tooth disc on the tower crane can be transmitted to the gear one by one, so that the error generated during rotation transmission is reduced, and the potentiometer can well detect the rotation angle of the tower arm driven by the rotary tooth disc; the potentiometer detects the rotation angle through detecting voltage, the voltage is automatically reset every time a rotating shaft on the potentiometer rotates for one circle, overload errors do not exist, and the equipment price is lower than that of an encoder (the potentiometer can be a WDH35 series digital potentiometer, and the detection precision is higher). In addition, a waterproof box is arranged outside the potentiometer, so that the potentiometer is prevented from being damaged by the external environment, and the service life of equipment is prolonged; the potentiometer is fixed in the waterproof box through the mounting plate, so that the potentiometer is prevented from moving and the detection precision is prevented from being influenced; the transmission gear and the gear are both positioned in the waterproof box, so that the influence of the external environment is avoided, the service life of the equipment is prolonged, the rotation transmission precision is ensured, and the detection precision of the potentiometer is improved; the end part of the connecting rod is rotatably connected to the waterproof box through the bearing with the seat, so that the stability of the connecting rod is ensured, the rotating transmission precision is improved, and the detection precision of the potentiometer is improved. Therefore, the utility model not only can improve the detection precision, but also has the advantages of lower equipment cost and longer equipment service life.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The labels in the figures are: 1-rotary fluted disc, 2-fluted disc, 3-connecting rod, 4-transmission gear, 5-gear, 6-potentiometer, 7-waterproof box, 8-mounting plate and 9-bearing with seat.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.
Examples are given. A tower crane rotation angle detection device is shown in figures 1 to 1 and comprises a fluted disc 2 connected to a tower crane rotation fluted disc 1 in a meshing manner, wherein the fluted disc 2 is connected with a connecting rod 3, and the connecting rod 3 is vertically fixed at the center of the fluted disc 2; the connecting rod 3 is fixedly connected with a transmission gear 4, and the transmission gear 4 and the fluted disc 2 have the same tooth number; a gear 5 is meshed on the transmission gear 4, and the number of teeth of the gear 5 is the same as that of the rotary fluted disc 1; a potentiometer 6 is arranged on one side of the gear 5, and a rotating shaft on the potentiometer 6 is vertically fixed at the center of the gear 5.
A waterproof box 7 is arranged outside the potentiometer 6, an installation plate 8 is fixed in the waterproof box 7, and the installation plate 8 is fixedly connected with the main body of the potentiometer 6; the transmission gear 4 and the gear 5 are both positioned in the waterproof box 7; a bearing 9 with a seat is fixed at the position corresponding to the connecting rod 3 in the waterproof box 7, and the connecting rod 3 is rotatably arranged on the bearing 9 with the seat.
The working principle is as follows: when the tower arm performs rotary motion relative to the tower crane main body, the rotary fluted disc 1 rotates, at the moment, the fluted disc 2 meshed on the rotary fluted disc 1 rotates, the connecting rod 3 on the fluted disc 2 and the transmission gear 4 at the other end of the connecting rod 3 synchronously rotate, and the gear 5 meshed on the transmission gear 4 is driven; because the teeth of the rotary fluted disc 1 and the gear 5 are the same, and the teeth of the fluted disc 2 and the transmission gear 4 are the same, the rotation angle on the rotary fluted disc 1 can be transmitted to the gear 5 in a one-to-one manner; the potentiometer 6 with the rotating shaft vertically connected to the center of the gear 5 can accurately measure the rotating angle of the gear 5 in real time, and the angle is the rotating angle of the rotating fluted disc 1 and the rotating angle of the tower arm.
The main body of the potentiometer 6 is stably fixed in the waterproof box 7 through the mounting plate 8, so that detection errors are avoided when the main body of the potentiometer 6 moves; the transmission gear 4 and the gear 5 are both located in the waterproof box 7, so that parts can be prevented from being damaged, and the transmission precision is guaranteed against being influenced by external factors. The rolling bearing 9 in the waterproof box 7 can better stabilize the connecting rod 3, and the surface connecting rod 3 is sent to shake when transmitting rotation, so that the transmission precision is ensured.
Claims (4)
1. A tower crane gyration angle detection device which characterized in that: the device comprises a fluted disc (2) meshed and connected to a rotary fluted disc (1) of the tower crane, wherein a connecting rod (3) is connected to the fluted disc (2), and the connecting rod (3) is vertically fixed at the center of the fluted disc (2); the connecting rod (3) is fixedly connected with a transmission gear (4), and the transmission gear (4) and the fluted disc (2) have the same number of teeth; a gear (5) is meshed on the transmission gear (4), and the number of teeth of the gear (5) is the same as that of the rotary fluted disc (1); a potentiometer (6) is arranged on one side of the gear (5), and a rotating shaft on the potentiometer (6) is vertically fixed at the center of the gear (5).
2. The rotation angle detecting device of a tower crane according to claim 1, wherein: the potentiometer (6) is externally provided with a waterproof box (7), the waterproof box (7) is internally fixed with a mounting plate (8), and the mounting plate (8) is fixedly connected with the main body of the potentiometer (6).
3. The rotation angle detecting device of a tower crane according to claim 2, wherein: the transmission gear (4) and the gear (5) are both positioned in the waterproof box (7).
4. The rotation angle detecting device of a tower crane according to claim 3, wherein: a bearing (9) with a seat is fixed at the position corresponding to the connecting rod (3) in the waterproof box (7), and the connecting rod (3) is rotatably arranged on the bearing (9) with the seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220178148.4U CN216737257U (en) | 2022-01-24 | 2022-01-24 | Tower crane rotation angle detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220178148.4U CN216737257U (en) | 2022-01-24 | 2022-01-24 | Tower crane rotation angle detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216737257U true CN216737257U (en) | 2022-06-14 |
Family
ID=81916733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220178148.4U Active CN216737257U (en) | 2022-01-24 | 2022-01-24 | Tower crane rotation angle detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216737257U (en) |
-
2022
- 2022-01-24 CN CN202220178148.4U patent/CN216737257U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104568428A (en) | Measuring instrument for comprehensive performances of RV (rot-vector) reducer | |
| CN205097207U (en) | A series connection elastic drive ware for robot joint | |
| CN110142736B (en) | Master-slave isomorphic mechanical arm system | |
| CN216737257U (en) | Tower crane rotation angle detection device | |
| CN104265578A (en) | Cable releasing system and cable releasing method of wind driven generator | |
| CN205225588U (en) | Fan barring mechanism | |
| CN208573602U (en) | Round brush driving mechanism, floor brush of dust collector and dust catcher | |
| CN210773989U (en) | Rice transplanter non-angle sensor | |
| CN103306000A (en) | Servo control device and operation and control method for jacquard loom | |
| CN214310583U (en) | Wind direction and wind speed monitoring device | |
| CN202208500U (en) | Automatic conveyor belt aligning device | |
| CN108999744A (en) | A kind of teaching type wind-driven generator pitching linkage mechanism | |
| CN201068459Y (en) | Blast furnace material level height detection device | |
| CN210129241U (en) | Tooth number detection device of ABS gear ring | |
| CN202744212U (en) | Rotation angle monitoring device for tower crane | |
| CN206686024U (en) | Servo motor device and robot | |
| CN209458058U (en) | A kind of teaching type wind-driven generator pitching linkage mechanism | |
| CN219842143U (en) | Tool for measuring gear transmission precision | |
| CN202830300U (en) | Collective doffing driving device | |
| CN219312500U (en) | Novel single-wheel steering wheel train based on vertical transmission | |
| CN214066010U (en) | Frame positioning device of direct drive motor of CT machine | |
| CN213902309U (en) | Device for measuring wheel angle of rice transplanter | |
| CN216410133U (en) | Back clearance test device for speed reducer | |
| CN216898857U (en) | Tower machine gyration angle measuring device | |
| CN217005853U (en) | Zero adjusting device of rotary encoder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230222 Address after: 322000 No. A197, Shangcheng Avenue, Houzhai Street, Yiwu City, Jinhua City, Zhejiang Province Patentee after: Zhejiang Humon Electric Technology Co.,Ltd. Address before: 322000 No.335 Yangcun Road, chuojiang street, Yiwu City, Jinhua City, Zhejiang Province Patentee before: Zhejiang Yitong Electronic Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |