CN209961202U - Novel crane rotation angle measuring device - Google Patents
Novel crane rotation angle measuring device Download PDFInfo
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- CN209961202U CN209961202U CN201920908177.XU CN201920908177U CN209961202U CN 209961202 U CN209961202 U CN 209961202U CN 201920908177 U CN201920908177 U CN 201920908177U CN 209961202 U CN209961202 U CN 209961202U
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- rotation angle
- movable plate
- angle sensor
- chassis
- spring
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Abstract
The utility model discloses a novel crane rotation angle measuring device, the front part of a movable plate is provided with a bearing, a transmission gear is connected with the movable plate through the bearing, the upper surface of the transmission gear is provided with a shifting sheet, the two ends of a support are connected with the upper surface of the movable plate, the upper surface of the support is provided with a rotation angle sensor, the rotation angle sensor is arranged above the transmission gear through the support, the rotating shaft of the rotation angle sensor passes through the support, and the shifting sheet is connected with the rotating shaft of the rotation angle sensor through a connecting rod; the movable plate is provided with a sliding groove, the chassis is provided with a guide shaft, the movable plate is placed on the upper surface of the chassis, the guide shaft is positioned in the sliding groove, the rear portion of the movable plate is connected with a spring, a positioning block is arranged behind the axial direction of the spring, the positioning block is arranged on the chassis, the positioning block is provided with a threaded hole, and an adjusting bolt penetrates through the threaded hole and abuts against the other end of the spring. The utility model discloses avoided gyration angle sensor need guarantee when the installation with the requirement of hoist centre of rotation's axiality, measurement accuracy improves.
Description
Technical Field
The utility model relates to an angle measurement mechanism, concretely relates to novel hoist gyration angle measurement device.
Background
in the field of railway cranes, crawler cranes and automobile cranes, the turning angle of the upper part of the crane can be measured by a turning angle sensor when the upper part of the crane turns, and the turning angle of the upper part of the crane directly influences the safe hoisting of the crane.
At present, the rotation angle sensor is arranged in the center of the crane, the lower end of the rotation angle sensor is connected with a rotation center connector or an electric slip ring fixing body through a flexible coupler, the upper end of the rotation angle sensor is connected with an upper vehicle through a connecting rod, and the rotation angle sensor is damaged and further cannot measure the rotation angle due to overlarge coaxiality deviation in the rigid connection process. When the upper vehicle rotates, the rotary angle sensor is driven to rotate, and the upper vehicle rotates for one circle to drive the rotary angle sensor to rotate for one circle. This structure has the following drawbacks: when the rotation angle sensor is installed, the coaxiality of the rotation angle sensor and the rotation center of the crane needs to be ensured, the error needs to be controlled within 2 mm, otherwise, the rotation angle sensor is stressed and damaged; the rotation angle sensor is in transition connection through the flexible coupler when the lower vehicle is connected, and when the coaxiality error is large, the rotation angle error value is large; when heavy objects are hoisted, the rotation coding axis can be deviated due to slight deformation of the steel structure of the upper crane, and measurement errors are caused; the resolution ratio of the rotation angle sensor can not be adjusted when the crane rotates for one circle and the rotation angle sensor rotates for one circle, and the measurement precision is lower.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a novel hoist gyration angle measurement device measures gyration angle accuracy.
In order to achieve the above object, the utility model provides a following technical scheme: a novel crane rotation angle measuring device comprises a chassis, a measuring mechanism and an adjusting mechanism;
the measuring mechanism comprises a movable plate, a transmission gear, a rotary angle sensor and a bracket, and the adjusting mechanism comprises a spring, a positioning block and an adjusting bolt;
the measuring mechanism is arranged at the front part of the chassis, and the adjusting mechanism is arranged at the rear part of the chassis;
the upper surface of the front part of the movable plate is provided with a bearing, the transmission gear is connected with the movable plate through the bearing, the upper surface of the transmission gear is provided with a shifting sheet, the support is in an inverted U shape, two ends of the support are connected with the upper surface of the movable plate, the middle part of the upper surface of the support is provided with a rotation angle sensor, the rotation angle sensor is arranged above the transmission gear through the support, a rotating shaft of the rotation angle sensor penetrates through the support, and the shifting sheet is connected with the rotating shaft of the rotation angle sensor;
the movable plate is provided with a sliding groove, the chassis is provided with a guide shaft, the movable plate is placed on the upper surface of the chassis, the guide shaft is positioned in the sliding groove, the rear portion of the movable plate is connected with a spring, a positioning block is arranged behind the axial direction of the spring, the positioning block is arranged on the chassis, the positioning block is provided with a threaded hole, and an adjusting bolt penetrates through the threaded hole and abuts against the other end of the spring.
Furthermore, there are two spouts in the spout, and two spouts are seted up in parallel.
Furthermore, a baffle is arranged at one end of the joint of the spring and the adjusting bolt, and the adjusting bolt is abutted against the baffle.
Furthermore, a pressing sheet is arranged at the top of the guide shaft.
Further, the adjusting bolt is coaxial with the spring.
Compared with the prior art, the utility model discloses during the use, the chassis is installed at the hoist part of getting on the bus, and drive gear meshes with the slewing bearing gear of getting off, and when the gyration of getting on the bus, because drive gear meshes with the slewing bearing gear of getting off mutually, therefore, drive gear can take place to rotate, and drive gear rotates and drives the rotation angle sensor and rotate, finally measures the hoist part of getting on the bus actual gyration angle, has avoided the gyration angle sensor to need the requirement of guaranteeing the axiality with the hoist centre of gyration when the installation, and measurement accuracy improves; the spring has sufficient elasticity to push up the fly leaf forward all the time, pushes up drive gear forward promptly, guarantees drive gear and the slewing bearing gear of getting off and closely meshes all the time, can not influence the meshing degree of gear because of the wearing and tearing of gear, from this, the utility model discloses can keep measuring accuracy for a long time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front perspective view of the present invention;
in the figure: 1. the device comprises a chassis, 2, a movable plate, 3, a transmission gear, 4, a rotary angle sensor, 5, a support, 6, a spring, 7, a positioning block, 8, a baffle, 9, a sliding groove, 10, an adjusting bolt, 11, a guide shaft, 12, a bearing, 13, a pressing sheet, 14, a connecting rod, 15 and a shifting sheet.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the upper left direction of fig. 1 is taken as the front direction, the utility model provides a technical solution: comprises a chassis 1, a measuring mechanism and an adjusting mechanism, wherein the chassis 1 is a bearing and fixing part of the utility model;
the measuring mechanism comprises a movable plate 2, a transmission gear 3, a rotary angle sensor 4 and a bracket 5, and the adjusting mechanism comprises a spring 6, a positioning block 7 and an adjusting bolt 10;
the measuring mechanism is arranged at the front part of the chassis 1, and the adjusting mechanism is arranged at the rear part of the chassis 1;
the upper surface of the front part of the movable plate 2 is provided with a bearing 12, the transmission gear 3 is connected with the movable plate 2 through the bearing 12, the upper surface of the transmission gear 3 is provided with a shifting piece 15, the support 5 is in an inverted U shape, two ends of the support 5 are connected with the upper surface of the movable plate 2, the middle part of the upper surface of the support 5 is provided with a rotary angle sensor 4, the rotary angle sensor 4 is erected above the transmission gear 3 through the support 5, a rotary shaft of the rotary angle sensor 4 downwards penetrates through the support 5, the shifting piece 15 is connected with the rotary shaft of the rotary angle sensor 4 through a connecting rod 14, one end of the connecting rod 14 is fixedly connected with the rotary shaft of the rotary angle sensor 4, and the other end of the connecting rod 14 is hinged with the shifting piece;
the movable plate 2 is provided with a sliding groove 9, the sliding groove 9 is transversely formed from front to back, the chassis 1 is provided with a guide shaft 11, the movable plate 2 is placed on the upper surface of the chassis 1, the guide shaft 11 is located in the sliding groove 9, the movable plate 2 can linearly move along the direction of the sliding groove 9 in the front-back direction, the moving distance is the length of the sliding groove 9, the rear portion of the movable plate 2 is connected with a spring 6, the rear portion of the spring 6 in the axial direction is provided with a positioning block 7, the positioning block 7 is arranged on the chassis 1, the positioning block 7 is provided with a threaded hole, and an adjusting bolt.
When the device is used, the transmission gear 3 is meshed with the lower turning bearing gear, then the chassis 1 is arranged on the upper turning part of the crane, namely the turning part, when the crane turns, the transmission gear 3 rotates and drives the turning angle sensor 4 to rotate through the connecting rod 14 as the transmission gear 3 is meshed with the lower turning bearing gear, and finally the actual turning angle of the upper turning part of the crane is measured; the utility model discloses avoided gyration angle sensor 4 when the installation need guarantee with the requirement of hoist centre of rotation's axiality, measurement accuracy improves.
Along with the wearing and tearing of gear, meshing degree can constantly descend, can cause the accuracy of gyration angle measurement this moment, this problem can effectively be solved to guiding mechanism, rotatory adjusting bolt 10 can adjust adjusting bolt 10 forward propulsive distance, adjusting spring 6's elasticity promptly, guarantee that spring 6 has sufficient elasticity to push up fly leaf 2 forward all the time, push up drive gear 3 forward promptly, guarantee drive gear 3 and the slewing bearing gear of getting off and closely mesh all the time, can not influence the meshing degree of gear because of the wearing and tearing of gear, therefore, the utility model discloses can keep measuring accuracy for a long time.
In order to ensure that the movable plate 2 does not incline when moving back and forth, the sliding grooves 9 are divided into two parts, the two sliding grooves 9 are arranged in parallel, the two guide shafts 11 are also arranged, one guide shaft 11 is positioned in one sliding groove 9, the pressing piece 13 is arranged at the top of the guide shaft 11, the pressing piece 13 is pressed above the movable plate 2, the movable plate 2 is connected with the chassis 1, the sliding grooves 9 of the movable plate 2 are prevented from being separated from the guide shaft 11, the movement of the movable plate 2 cannot be influenced, and the two parallel sliding grooves 9 ensure that the movable plate 2 can only move back and forth and does not incline when moving back and forth.
One end of the joint of the spring 6 and the adjusting bolt 10 is provided with a baffle 8, the adjusting bolt 10 abuts against the baffle 8, the adjusting bolt 10 is coaxial with the spring 6, the baffle 8 and the coaxial design are additionally arranged, the adjusting bolt 10 can be conveniently contacted with the spring 6, and the adjusting bolt 10 is prevented from being inclined when being contacted with the spring 6.
The utility model discloses well drive gear 3 has the multiple specification of different number of teeth, can select the drive gear 3 of suitable number of teeth according to the drive ratio (the drive ratio is the 3 number of teeth of lower slewing bearing gear ratio drive gear) that want, and the drive ratio is higher, and measured gyration angle is just more accurate.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (5)
1. A novel crane rotation angle measuring device is characterized by comprising a chassis (1), a measuring mechanism and an adjusting mechanism;
the measuring mechanism comprises a movable plate (2), a transmission gear (3), a rotary angle sensor (4) and a bracket (5), and the adjusting mechanism comprises a spring (6), a positioning block (7) and an adjusting bolt (10);
the measuring mechanism is arranged at the front part of the chassis (1), and the adjusting mechanism is arranged at the rear part of the chassis (1);
the upper surface of the front part of the movable plate (2) is provided with a bearing (12), the transmission gear (3) is connected with the movable plate (2) through the bearing (12), the upper surface of the transmission gear (3) is provided with a shifting sheet (15), the support (5) is in an inverted U shape, two ends of the support (5) are connected with the upper surface of the movable plate (2), the middle part of the upper surface of the support (5) is provided with a rotation angle sensor (4), the rotation angle sensor (4) is erected above the transmission gear (3) through the support (5), a rotating shaft of the rotation angle sensor (4) penetrates through the support (5), and the shifting sheet (15) is connected with the rotating shaft of the rotation angle sensor (4) through a connecting rod (14;
the movable plate (2) is provided with a sliding groove (9), the chassis (1) is provided with a guide shaft (11), the movable plate (2) is placed on the upper surface of the chassis (1), the guide shaft (11) is located in the sliding groove (9), the rear portion of the movable plate (2) is connected with a spring (6), a positioning block (7) is arranged behind the spring (6) in the axial direction, the positioning block (7) is arranged on the chassis (1), the positioning block (7) is provided with a threaded hole, and an adjusting bolt (10) penetrates through the threaded hole and abuts against the other end of the spring (6).
2. The novel crane rotation angle measuring device according to claim 1, characterized in that: the sliding grooves (9) are divided into two parts, and the two sliding grooves (9) are arranged in parallel.
3. The novel crane rotation angle measuring device according to claim 1, characterized in that: one end of the joint of the spring (6) and the adjusting bolt (10) is provided with a baffle (8), and the adjusting bolt (10) is propped against the baffle (8).
4. The novel crane rotation angle measuring device according to claim 1, characterized in that: and a pressing sheet (13) is arranged at the top of the guide shaft (11).
5. The novel crane rotation angle measuring device according to claim 1, characterized in that: the adjusting bolt (10) is coaxial with the spring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920908177.XU CN209961202U (en) | 2019-06-17 | 2019-06-17 | Novel crane rotation angle measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920908177.XU CN209961202U (en) | 2019-06-17 | 2019-06-17 | Novel crane rotation angle measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209961202U true CN209961202U (en) | 2020-01-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920908177.XU Expired - Fee Related CN209961202U (en) | 2019-06-17 | 2019-06-17 | Novel crane rotation angle measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209961202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146048A (en) * | 2019-06-17 | 2019-08-20 | 上海铁路机车车辆发展有限公司 | A kind of Novel crane angle of revolution measuring device |
| CN112611350A (en) * | 2020-12-09 | 2021-04-06 | 甘肃省机械科学研究院有限责任公司 | Silage harvester throttle opening detection device |
-
2019
- 2019-06-17 CN CN201920908177.XU patent/CN209961202U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146048A (en) * | 2019-06-17 | 2019-08-20 | 上海铁路机车车辆发展有限公司 | A kind of Novel crane angle of revolution measuring device |
| CN110146048B (en) * | 2019-06-17 | 2024-02-02 | 上海铁路机车车辆发展有限公司 | Novel crane rotation angle measurement device |
| CN112611350A (en) * | 2020-12-09 | 2021-04-06 | 甘肃省机械科学研究院有限责任公司 | Silage harvester throttle opening detection device |
| CN112611350B (en) * | 2020-12-09 | 2022-05-13 | 甘肃省机械科学研究院有限责任公司 | Silage harvester throttle opening detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Yixiang Inventor after: Shi Lele Inventor after: Li Yichun Inventor after: Kong Weixi Inventor after: Zhao Xianjin Inventor after: Chen Ruiqiu Inventor after: Jia Changbao Inventor after: Jiang Yuchan Inventor after: Liu Weiwei Inventor before: Shi Lele Inventor before: Li Yichun Inventor before: Zhao Xianjin Inventor before: Kong Weixi Inventor before: Chen Ruiqiu Inventor before: Jia Changbao Inventor before: Jiang Yuchan Inventor before: Liu Weiwei |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200117 Termination date: 20210617 |