CN111039175B - Steel wire rope swing angle detection device and crane - Google Patents
Steel wire rope swing angle detection device and crane Download PDFInfo
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- CN111039175B CN111039175B CN201911272204.XA CN201911272204A CN111039175B CN 111039175 B CN111039175 B CN 111039175B CN 201911272204 A CN201911272204 A CN 201911272204A CN 111039175 B CN111039175 B CN 111039175B
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- steel wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- Mechanical Engineering (AREA)
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- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
A steel wire rope swing angle detection device comprises a supporting frame, a swing part, a plurality of bottom rails, side rails, a top rail and a displacement sensor, wherein the bottom rails, the side rails and the top rail are arranged on the supporting frame, the displacement sensor is used for detecting a displacement detection plate, the swing part is provided with the displacement detection plate and a sliding groove for the steel wire rope to freely move, the swing part comprises a first swing part and a second swing part which are perpendicular to each other, and the steel wire rope can simultaneously penetrate through the sliding grooves on the first swing part and the second swing part; the lower surfaces, two ends in the length direction and the upper surfaces of the two swinging parts are respectively in sliding or rolling contact with the bottom rail, the side rails and the top rail at corresponding positions; according to the steel wire rope swing angle detection device provided by the invention, the displacement monitor is not in direct contact with the displacement monitoring plates such as the first displacement detection plate and the second displacement detection plate, so that the swing part is displaced along the tracks including the bottom rail and the like, and no part is required to be deformed, the test precision is higher, and the durability is higher.
Description
Technical Field
The invention relates to a detection technology on a crane, in particular to a steel wire rope swing angle detection device and a crane.
Background
In the crane in the prior art, the steel wire rope swings together with the load in the process of carrying goods, so that the steel wire rope possibly interferes with other objects around, a great safety risk is realized, the swing angle detection of the steel wire rope and the swing control prevention according to detection data are necessary, and in addition, the detection of the swing angle of the steel wire rope of the crane and the swing control of a lifted object based on the swing angle detection data are one of key technologies for supporting the automatic and intelligent control of the crane.
CN203705107U in the prior art discloses a force measuring device, which includes a slider and at least two force measuring sensors, wherein the slider is provided with a first through hole, at least one force measuring sensor abuts against an X axis of the slider, and at least one force measuring sensor abuts against a Y axis of the slider. The device has a complex structure, the force measuring sensor is directly abutted against the sliding block, and the precision is obviously reduced along with the prolonging of the service time.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a novel steel wire rope swing angle detection device.
In order to solve the above problems, the present invention provides a wire rope pivot angle detection device, including:
a support frame for supporting the frame,
the swing comprises a first swing body and a second swing body which are vertically arranged, the first swing body is provided with a first displacement detection plate and a first sliding groove for the steel wire rope to freely move, and the second swing body is provided with a second displacement detection plate and a second sliding groove for the steel wire rope to freely move, so that the steel wire rope can simultaneously pass through the first sliding groove and the second sliding groove;
a plurality of bottom rails disposed on the support frame, wherein a lower surface of the first swing member and a lower surface of the second swing member are in sliding or rolling contact with the bottom rails at corresponding positions, respectively;
a plurality of side rails provided on the support frame, both ends in a length direction of the first swing member and both ends in a length direction of the second swing member being in sliding or rolling contact with the side rails at corresponding positions, respectively;
a plurality of head rails disposed on the support frame, an upper surface of the first swing member and an upper surface of the second swing member being in sliding or rolling contact with the head rails at corresponding positions, respectively;
and the displacement sensor comprises a first displacement sensor and a second displacement sensor which are respectively and fixedly arranged on the supporting frame, the first displacement sensor is used for detecting the displacement of the first displacement detection plate, and the second displacement sensor is used for detecting the displacement of the second displacement detection plate.
The displacement sensor can adopt a light-sensitive sensor, is not in direct contact with displacement monitoring plates such as a first displacement detection plate and a second displacement detection plate, and has higher test precision and higher durability.
In some embodiments, the first swing member and the second swing member are in sliding or rolling contact with the top rail, the bottom rail and the side rails at corresponding positions, respectively, to ensure that the movement of the swing members in a horizontal plane is fully controllable without abnormal swinging.
In some embodiments, the rocker member is in rolling contact with the bottom rail, and/or the rocker member is in rolling contact with the top rail, and/or the rocker member is in rolling contact with the side rail.
Compared with sliding contact, rolling contact has smaller friction resistance, the influence of factors such as rail materials, surface smoothness, dryness and wetness degrees, surface temperature and the like on the friction resistance is reduced to the greatest extent, the friction resistance of horizontal movement of the swing part is greatly reduced, and the detection precision is improved.
In some embodiments, the swing member is in rolling contact with the bottom rail, the top rail, and the side rails, respectively, the bottom rail is a plurality of rollers arranged side by side, and/or the bottom rail is a plurality of rollers arranged side by side.
In some embodiments, the swinging member is in rolling contact with the bottom rail, the top rail and the side rails, respectively, the bottom rail, the side rails and the top rail are a plurality of rollers arranged side by side, the support frame comprises a mounting seat at least comprising a first mounting surface and a second mounting surface, the first mounting surface is perpendicular to the second mounting surface, the rotating shaft of the roller on the bottom rail is fixedly connected to the first mounting surface, and the rotating shaft of the roller on the bottom rail is parallel to the normal line of the first mounting surface; the rotating shaft of the roller on the side rail is fixedly connected to the second mounting surface, and the rotating shaft of the roller on the side rail is parallel to the normal line of the second mounting surface.
In some embodiments, the rotation axis of the roller on the head rail is fixedly connected to the second mounting surface through a connecting piece, and the rotation axis of the roller on the head rail is perpendicular to the normal line of the second mounting surface.
In some embodiments, the connecting member includes a third mounting surface and a fourth mounting surface which are perpendicular to each other, the rotating shaft of the roller on the top rail is fixedly connected to the third mounting surface, the fourth mounting surface is fixedly connected to the second mounting surface through a pin shaft, and the axis line of the pin shaft is collinear with the rotating shaft of the roller on the corresponding side rail.
The pin shaft and the rotating shaft of the roller on the side rail are arranged in a collinear manner, so that the corresponding installation space can be obviously saved.
In some embodiments, the diameter of the roller on the head rail is greater than the diameter of the roller on the bottom rail. The diameter of the rollers on the bottom rail is the same as that of the rollers on the side rails, and the interval between the adjacent rollers on the bottom rail and the interval between the adjacent rollers on the side rails are smaller than that of the adjacent rollers on the top rail.
In some embodiments, the swing member includes a swing member main body and two guide plates disposed at two ends of the swing member main body, the swing member main body is provided with a sliding groove for the steel wire rope to freely move, and a length direction of the sliding groove is parallel to a length direction of the swing member main body.
In some embodiments, a displacement detecting plate is provided at one end of one of the guide plates, and the other guide plate is not provided with the displacement detecting plate.
Two can regard as first goods of furniture for display rather than for use and second goods of furniture for display rather than for use after setting up perpendicularly of goods of furniture for display rather than for use the spout of corresponding goods of furniture for display rather than for use this moment is corresponding first spout and second spout. In some embodiments, the sliding groove is a circular hole, and the displacement detecting plates disposed on the first swing portion and the second swing portion are corresponding first displacement detecting plate and second displacement detecting plate.
In some embodiments, the ornament includes an ornament body and two guide plates disposed at two ends of the ornament body, the ornament body is provided with a sliding groove for the steel wire rope to move freely, the length direction of the sliding groove is parallel to the length direction of the ornament body, the upper surface of the guide plate is in rolling or sliding contact with the top rail at a corresponding position, the lower surface of the guide plate is in rolling or sliding contact with the bottom rail at a corresponding position, and the side wall of the ornament body away from the guide plate is in rolling or sliding contact with the side rail at a corresponding position. At this time, the bottom rail, the top rail, and the side rails are disposed in the peripheral space of the support frame.
The invention also provides a crane which comprises a steel wire rope and any one of the steel wire rope swing angle detection devices, wherein the steel wire rope penetrates through the first sliding groove and the second sliding groove simultaneously.
Assuming that the length direction of the first sliding groove is the X direction, and the length direction of the second sliding groove is the Y direction, when the steel wire rope swings together with the load, the steel wire rope will displace along the first sliding groove and/or the second sliding groove, and then the second swing part and/or the first swing part are driven to displace in the plane defined by the X axis and the Y axis, and the second displacement sensor and/or the first displacement sensor are used for respectively monitoring the displacement of the second displacement detection plate and/or the first displacement detection plate, so that the swing angle of the steel wire rope is calculated, and subsequent calibration and control are facilitated.
The invention has the following beneficial effects:
compared with the prior art, the steel wire rope swing angle detection device provided by the invention has the advantages that the displacement monitor is not in direct contact with the displacement monitoring plates such as the first displacement detection plate and the second displacement detection plate, the swing part is displaced along the tracks including the bottom rail and the like, any part is not required to be deformed, the test precision is higher, and the durability is higher.
In addition, the swing part is respectively in sliding or rolling contact with the top rail, the bottom rail and the side rails at corresponding positions, so that the movement of the swing part on a horizontal plane is completely controllable, and abnormal swinging cannot occur. The rolling contact has smaller friction resistance, the influence of factors such as track materials, surface smoothness, dry and wet degree and surface temperature on the friction resistance is reduced to the greatest extent, the friction resistance of horizontal movement of the swing part is greatly reduced, and the detection precision is improved. The pin shaft and the rotating shaft of the roller on the side rail are arranged in a collinear manner, so that the corresponding installation space can be obviously saved. The deflector that will set up at keeping away from goods of furniture for display rather than for use center is as with including orbital contact position such as bottom rail, top rail and side rail for these guide rails all set up the peripheral space of the braced frame who keeps away from wire rope wobbling position, and the structure is succinct more, and it is higher to look sideways at the precision.
Drawings
FIG. 1 is a schematic view of a partial structure of a crane including a steel wire rope swing angle detection device according to the present invention;
FIG. 2 is a schematic top view of the swing angle detecting device for a steel wire rope according to the present invention;
FIG. 3 is a schematic view of a swing angle detecting device for a steel cable according to the present invention;
fig. 4 is a first view schematic diagram of a track connection position of the steel wire rope swing angle detection device of the invention;
fig. 5 is a schematic view of a second view of a track connection position of the steel wire rope swing angle detection device.
1-a steel wire rope swing angle detection device; 2-a support frame; 3-ornament; 31-a first swing part; 32-a second swing part; 33-a pendulum body; 34-a guide plate; 35-a chute; 351-a first chute; 352-second chute; 4-displacement detection plate; 401-a first displacement detection plate; 402-a second displacement detection plate; 6-bottom rail; 7-a head rail; 8-side rails; 9-a roller; 101-a first displacement sensor; 102-a second displacement sensor; 11-a mounting seat; 111-a first mounting face; 112-a second mounting surface; 12-a connector; 121-a third mounting surface; 122-a fourth mounting surface; 13-a trolley; 14-a steel cord; 15-load.
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Detailed Description
The present invention will be further understood from the specific examples given below, which are not intended to limit the present invention.
As shown in fig. 1, the present embodiment provides a crane including a rope swing angle detecting device 1, which includes a laterally movable trolley 13 disposed above, and a rope 14 extending downward from the trolley 13. A steel wire rope swing angle detection device 1 for detecting the swing of a steel wire rope 14 and a load 15 is arranged below the trolley 13, the steel wire rope 14 penetrates through the steel wire rope swing angle detection device 1, the load is positioned at the lower end of the steel wire rope 14, and the steel wire rope swing angle detection device 1 is horizontally arranged.
As shown in fig. 2-5, the steel cable swing angle detecting device 1 includes a supporting frame 2, a swing member 3 disposed on the supporting frame 2, a displacement detecting plate 4, a plurality of bottom rails 6, a top rail 7, a side rail 8, and a displacement sensor. The swing part 2 comprises a swing part main body 33 and two guide plates 34 arranged at two ends of the swing part main body 33, a sliding groove 35 for the steel wire rope 14 to freely move is formed in the swing part main body 33, the length direction of the sliding groove 35 is parallel to the length direction of the swing part main body 33, and the sliding groove 35 in the embodiment is a kidney-round hole. The displacement detecting plate 4 is provided at one end of one guide plate 34, and the other guide plate 34 is not provided with the displacement detecting plate 4. The displacement detection plate 4 may be a separate component from the swing member 3, and the swing member 3 and the displacement detection plate 4 in this embodiment are integrally formed.
The two swing parts 3 are vertically arranged and then can be respectively used as a first swing part 31 and a second swing part 32, the sliding groove 35 of the corresponding swing part 3 is the corresponding first sliding groove 351 and second sliding groove 352 for the steel wire rope 14 to freely move, the steel wire rope 14 simultaneously passes through the first sliding groove 351 and the second sliding groove 352, and the displacement detection plates 4 arranged on the first swing part 31 and the second swing part 32 are the corresponding first displacement detection plate 401 and second displacement detection plate 402.
The bottom rail 6, top rail 7 and side rails 8 may be smooth guide surfaces, with the rocker 3 and rails decoupled from sliding contact. The bottom rail 6, the top rail 7 and the side rails 8 in this embodiment each include a plurality of rollers 9 arranged side by side, thereby achieving rolling contact between the swing member 3 and each rail. Compared with sliding contact, rolling contact has smaller friction resistance, the influence of factors such as rail materials, surface smoothness, dryness and wetness degrees, surface temperature and the like on the friction resistance is reduced to the greatest extent, the friction resistance of horizontal movement of the swing part 3 is greatly reduced, and the detection precision is improved.
As shown in fig. 4-5, the bottom rail 6, the top rail 7 and the side rail 8 are fixedly connected to the mounting seat 11 of the support frame 2 by fasteners, respectively. The fastener includes components in the prior art such as a pin and a bolt, which are not essential to the invention and are not described herein.
The mounting seat 11 of the supporting frame 2 comprises a first mounting surface 101 and a second mounting surface 102 which are perpendicular to each other, the rotating shaft of the roller 9 on the bottom rail 6 is fixedly connected to the first mounting surface 101 through a fastener, and the rotating shaft of the roller 9 on the bottom rail 6 is parallel to the normal line of the first mounting surface 101; the rotating shaft of the roller 9 on the side rail 8 is fixedly connected to the second mounting surface 102, and the rotating shaft of the roller 9 on the side rail 8 is parallel to the normal line of the second mounting surface 102.
The rotating shaft of the roller 9 on the head rail 7 is fixedly connected to the second mounting surface 102 through the connecting piece 12, the rotating shaft of the roller 9 on the head rail 7 is perpendicular to the normal line of the second mounting surface 102, and the rotating shaft of the roller 9 on the head rail 7 is parallel to the rotating shaft of the roller 9 on the bottom rail 6. The connecting piece 12 comprises a third mounting surface 121 and a fourth mounting surface 122 which are perpendicular to each other, the rotating shaft of the roller 9 on the top rail 7 is fixedly connected to the third mounting surface 121, the fourth mounting surface 122 is fixedly connected to the second mounting surface 102 through a fastening piece such as a pin shaft, and the axis line of the pin shaft is collinear with the rotating shaft of the roller 9 on the corresponding side rail 8, so that the mounting space is saved.
In this embodiment, the diameter of the roller 9 on the top rail 7 is larger than that of the roller 9 on the bottom rail 6, the diameter of the roller 9 on the bottom rail 6 is the same as that of the roller 9 on the side rail 8, and the interval between the adjacent rollers 9 on the bottom rail 6 and the interval between the adjacent rollers 9 on the side rail 8 are smaller than that between the adjacent rollers 9 on the top rail 7.
The upper surfaces of the guide plates 34 of two vertically arranged rocker members 3 are in rolling contact with the top rail 7 at the corresponding position, the lower surfaces of the guide plates 34 are in rolling contact with the bottom rail 6 at the corresponding position, and the side walls of the guide plates 34 remote from the rocker member main body 33 are in rolling contact with the side rails 8 at the corresponding position. The first swing member 31 and the second swing member 32 are in rolling contact with the top rail 7, the bottom rail 6 and the side rail 8 at corresponding positions, respectively, so as to ensure that the movement of the swing member 3 in the horizontal plane is completely controlled by the swinging of the wire rope 14, and no abnormal swinging occurs. At this time, the bottom rail 6, the top rail 7, and the side rails 8 are disposed in the peripheral space of the support frame 2.
Two displacement sensors for detecting the displacement of the displacement detection plate 4 are fixedly provided on the support frame 2. As shown in fig. 2, the displacement sensor in this embodiment includes a first displacement sensor 101 and a second displacement sensor 102, the first displacement sensor 101 for detecting the displacement of the first displacement detection plate 401 is disposed on the opposite side of the first displacement detection plate 401, and the second displacement sensor 102 for detecting the displacement of the second displacement detection plate 402 is disposed on the opposite side of the second displacement detection plate 402, and when the two swing elements 3 move, the first displacement detection plate 401 and the second displacement detection plate 402 will be displaced toward or away from the first displacement sensor 101 and the second displacement sensor 102, respectively. The displacement sensor can measure the distance by adopting an ultrasonic wave or an optical principle, the detection precision is 0.08mm to 0.1mm, the displacement sensor does not directly contact with the displacement monitoring plate 4 such as the first displacement detection plate 401 and the second displacement detection plate 402, the detection precision is higher, and the durability is higher.
The working principle and process of the steel wire rope swing angle detection device 1 are briefly described as follows. Assuming that the length direction of the first sliding groove 351 is the X direction, and the length direction of the second sliding groove 352 is the Y direction, when the steel wire rope 14 swings together with the load 15, the steel wire rope 14 will displace along the first sliding groove 351 and/or the second sliding groove 352, and then the second swing part 32 and/or the first swing part 31 will be driven to displace in the plane defined by the X axis and the Y axis, and the second displacement sensor 102 and/or the first displacement sensor 101 respectively monitor the displacement of the second displacement detection plate 402 and/or the first displacement detection plate 401, and then the swing angle of the steel wire rope 14 is calculated, which is convenient for subsequent calibration and control.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention.
Claims (10)
1. The utility model provides a wire rope pivot angle detection device which characterized in that, wire rope pivot angle detection device includes:
a support frame for supporting the frame,
the swing comprises a first swing body and a second swing body which are vertically arranged, the first swing body is provided with a first displacement detection plate and a first sliding groove for the steel wire rope to freely move, and the second swing body is provided with a second displacement detection plate and a second sliding groove for the steel wire rope to freely move, so that the steel wire rope can simultaneously pass through the first sliding groove and the second sliding groove;
a plurality of bottom rails disposed on the support frame, wherein a lower surface of the first swing member and a lower surface of the second swing member are in sliding or rolling contact with the bottom rails at corresponding positions, respectively;
a plurality of side rails provided on the support frame, both ends in a length direction of the first swing member and both ends in a length direction of the second swing member being in sliding or rolling contact with the side rails at corresponding positions, respectively;
a plurality of head rails disposed on the support frame, an upper surface of the first swing member and an upper surface of the second swing member being in sliding or rolling contact with the head rails at corresponding positions, respectively;
and the displacement sensor comprises a first displacement sensor and a second displacement sensor which are respectively and fixedly arranged on the supporting frame, the first displacement sensor is used for detecting the displacement of the first displacement detection plate, and the second displacement sensor is used for detecting the displacement of the second displacement detection plate.
2. The cable pivot angle sensing device of claim 1, wherein the swing member is in rolling contact with the bottom rail, the top rail, and the side rail,
the bottom rail is a plurality of rollers arranged side by side, and/or,
the side rails are a plurality of rollers disposed side-by-side, and/or,
the top rail is a plurality of rollers arranged side by side.
3. The cable pivot angle sensing device of claim 1, wherein the swing member is in rolling contact with the bottom rail, the top rail, and the side rails, respectively, the bottom rail, the side rails, and the top rail are a plurality of rollers disposed side by side, respectively, the support frame includes a mounting seat having at least a first mounting surface and a second mounting surface, the first mounting surface is perpendicular to the second mounting surface,
the rotating shaft of the roller on the bottom rail is fixedly connected to the first mounting surface, and the rotating shaft of the roller on the bottom rail is parallel to the normal of the first mounting surface; the rotating shaft of the roller on the side rail is fixedly connected to the second mounting surface, and the rotating shaft of the roller on the side rail is parallel to the normal line of the second mounting surface.
4. The swing angle detecting device for steel wire rope according to claim 3, wherein the rotating shaft of the roller on the head rail is fixedly connected to the second mounting surface through a connecting member, and the rotating shaft of the roller on the head rail is perpendicular to the normal line of the second mounting surface.
5. The swing angle detecting device for the steel wire rope according to claim 4, wherein the connecting member comprises a third mounting surface and a fourth mounting surface which are perpendicular to each other, the rotating shaft of the roller on the head rail is fixedly connected to the third mounting surface, the fourth mounting surface is fixedly connected to the second mounting surface through a pin shaft, and the axis line of the pin shaft is collinear with the rotating shaft of the roller on the corresponding side rail.
6. The cable pivot angle sensing device of claim 3, wherein the diameter of the roller on the head rail is greater than the diameter of the roller on the bottom rail.
7. The device for detecting the swing angle of the steel wire rope according to any one of claims 1 to 6, wherein the swing member comprises a swing member main body and two guide plates disposed at two ends of the swing member main body, the swing member main body is provided with a sliding groove for the steel wire rope to freely move, and the length direction of the sliding groove is parallel to the length direction of the swing member main body.
8. The wire rope pivot angle detection device according to claim 7, wherein the displacement detection plate is provided at one end of one of the guide plates.
9. The device of claim 2, wherein the swing portion comprises a swing portion body and two guide plates disposed at two ends of the swing portion body, the swing portion body is provided with a sliding groove for the steel wire rope to freely move, the length direction of the sliding groove is parallel to the length direction of the swing portion body, the upper surface of the guide plate is in rolling contact with the top rail at a corresponding position, the lower surface of the guide plate is in rolling contact with the bottom rail at a corresponding position, and the side wall of the swing portion body away from the guide plate is in rolling contact with the side rails at a corresponding position.
10. A crane comprising a steel wire rope, wherein the crane further comprises the steel wire rope swinging angle detection device according to any one of claims 1 to 9, and the steel wire rope is simultaneously threaded through the first chute and the second chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272204.XA CN111039175B (en) | 2019-12-12 | 2019-12-12 | Steel wire rope swing angle detection device and crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911272204.XA CN111039175B (en) | 2019-12-12 | 2019-12-12 | Steel wire rope swing angle detection device and crane |
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| Publication Number | Publication Date |
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| CN111039175A CN111039175A (en) | 2020-04-21 |
| CN111039175B true CN111039175B (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911272204.XA Active CN111039175B (en) | 2019-12-12 | 2019-12-12 | Steel wire rope swing angle detection device and crane |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213338B (en) * | 2021-05-24 | 2022-11-08 | 上海海事大学 | Lifting appliance swing angle detection device and lifting appliance bridge crane |
| CN114504472A (en) * | 2022-01-29 | 2022-05-17 | 常州市钱璟康复股份有限公司 | Following control device of shifting machine head |
| CN114655851B (en) * | 2022-03-14 | 2022-12-20 | 大连理工大学 | Swing angle detection device for crane lifting appliance |
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| JPH02132096A (en) * | 1988-07-23 | 1990-05-21 | R Stahl Foerdertechnik Gmbh | Position measuring device |
| CN1436715A (en) * | 2002-02-08 | 2003-08-20 | 中国科学院自动化研究所 | Lifting rope angle measurer for crane |
| CN103086272A (en) * | 2011-11-04 | 2013-05-08 | 通用汽车环球科技运作有限责任公司 | Movement system configured for moving load in multiple directions |
| CN205472297U (en) * | 2016-01-15 | 2016-08-17 | 北京起重运输机械设计研究院 | Bridge crane lifting hook wire rope beat angle detection device |
| CN108675136A (en) * | 2018-06-04 | 2018-10-19 | 上海海事大学 | A kind of pivot angle test device and its application suitable for suspender field bridge |
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2019
- 2019-12-12 CN CN201911272204.XA patent/CN111039175B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02132096A (en) * | 1988-07-23 | 1990-05-21 | R Stahl Foerdertechnik Gmbh | Position measuring device |
| CN1436715A (en) * | 2002-02-08 | 2003-08-20 | 中国科学院自动化研究所 | Lifting rope angle measurer for crane |
| CN103086272A (en) * | 2011-11-04 | 2013-05-08 | 通用汽车环球科技运作有限责任公司 | Movement system configured for moving load in multiple directions |
| CN205472297U (en) * | 2016-01-15 | 2016-08-17 | 北京起重运输机械设计研究院 | Bridge crane lifting hook wire rope beat angle detection device |
| CN108675136A (en) * | 2018-06-04 | 2018-10-19 | 上海海事大学 | A kind of pivot angle test device and its application suitable for suspender field bridge |
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| CN111039175A (en) | 2020-04-21 |
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