CN113415730B - Hoisting wire rope inclined pulling alarm device - Google Patents
Hoisting wire rope inclined pulling alarm device Download PDFInfo
- Publication number
- CN113415730B CN113415730B CN202110676091.0A CN202110676091A CN113415730B CN 113415730 B CN113415730 B CN 113415730B CN 202110676091 A CN202110676091 A CN 202110676091A CN 113415730 B CN113415730 B CN 113415730B
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- China
- Prior art keywords
- wire rope
- steel wire
- regulator
- conductor
- connecting rod
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 239000004020 conductor Substances 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
-
- 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
-
- 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
- B66C13/18—Control systems or devices
- B66C13/50—Applications of limit circuits or of limit-switch arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a hoisting steel wire rope inclined pulling alarm device which comprises a signal emitter (1) and a fixed seat (2), wherein a connecting rod (21) for installing a regulator (22) is arranged on the fixed seat (2), one end of the regulator (22) is provided with a conductor which surrounds the outside of a steel wire rope (9), and when the steel wire rope (9) is inclined to be in contact with the conductor, the circuit of the signal emitter (1) is communicated for alarming. The invention has the characteristics of simple structure, low manufacturing cost and wide application range.
Description
Technical Field
The invention relates to an alarm device for monitoring the state of a steel wire rope, in particular to a cable-stayed alarm device for hoisting the steel wire rope.
Background
When large and heavy equipment is installed or removed in an industrial factory building, hoisting equipment such as a cable type hydraulic hoist, an electric crane, a crane hoist and the like is sometimes required to be used for hoisting due to the limitation of space and factory building height. In the lifting process, the steel wire rope in the lifting equipment must keep a vertical state, if the verticality of the steel wire rope does not exceed the angle of the lifting equipment, the steel wire rope is easily cut off by shearing force or the lateral tension is overlarge, so that the whole lifting system is unstable, and the goods fall to cause potential safety hazards, and even safety accidents occur. The existing hoisting equipment does not monitor the state of the steel wire rope basically, an operator can judge the perpendicularity of the hoisting steel wire rope only by experience, a certain difficulty is caused to hoisting work, or a large number of infrared sensors and laser sensors are used for forming an array to finish the hoisting work, the equipment is complex, the manufacturing cost is high, the precision of the instrument is high, but the anti-interference capability is poor, the adaptability to the industrial environment is poor, the hoisting equipment cannot be suitable for high-dust and severe environments, and the use is limited.
Therefore, the existing industrial steel wire rope perpendicularity monitoring device for hoisting equipment has the problems of complex equipment, high manufacturing cost and high use limitation.
Disclosure of Invention
The invention aims to provide a hoisting steel wire rope inclined pulling alarm device. The invention has the characteristics of simple structure, low manufacturing cost and wide application range.
The technical scheme of the invention is as follows: the hoisting wire rope inclined pulling alarm device comprises a signal emitter and a fixed seat, wherein a connecting rod for installing an adjustor is arranged on the fixed seat, one end of the adjustor is provided with a conductor encircling the outer part of the wire rope, and when the wire rope inclines to be in contact with the conductor, the circuit of the signal emitter is communicated for alarming.
In the hoisting steel wire rope inclined pulling alarm device, the conductor is in clearance fit with the steel wire rope.
In the hoisting steel wire rope inclined pulling alarm device, the adjuster comprises an installation main body, a through hole for a connecting rod to pass through is formed in the installation main body, a longitudinal slot communicated with the through hole is formed in one side of the installation main body, an adjusting bolt is arranged at the longitudinal slot, a transverse slot for installing a conductor is formed in the other side of the installation main body, and a fixing bolt is arranged at the transverse slot.
In the hoisting steel wire rope inclined pulling alarm device, the adjuster comprises an upper adjuster and a lower adjuster which are connected with the anode and the cathode of the signal transmitter respectively through wires, a conductive body of the upper adjuster is a conductive spring which surrounds the outside of the steel wire rope and is consistent with the distribution direction of the steel wire rope, a conductive body of the lower adjuster is a metal ring which surrounds the outside of the conductive spring, when the steel wire rope inclines to drive the conductive spring to contact with the metal ring, and the circuit of the signal transmitter is communicated for alarming.
In the hoisting steel wire rope inclined pulling alarm device, the regulator comprises a first regulator and a second regulator which are connected with the anode and the cathode of the signal transmitter respectively through wires, the connecting rod comprises an upper connecting rod and a lower connecting rod, the first regulator is arranged on the upper connecting rod, the second regulator is arranged on the lower connecting rod, the upper end of the upper connecting rod is connected with the fixed seat through a first spring, the lower end of the upper connecting rod is connected with the lower connecting rod through a second spring, the conductors of the first regulator and the second regulator are all alarm rings encircling the outside of the steel wire rope, when the steel wire rope is inclined to be respectively contacted with the two alarm rings, and the circuit of the signal transmitter is communicated for alarming.
In the hoisting steel wire rope inclined pulling alarm device, the regulator is provided with the locating plate, the locating plate is provided with the locating ring for fixing the wire, and the side surface of the locating ring is provided with the notch.
In the hoisting steel wire rope inclined pulling alarm device, the fixed seat is also provided with a travel switch, the travel switch is respectively connected with the anode and the cathode of the signal transmitter through wires, the conductor of the regulator is a trigger ring encircling the outside of the steel wire rope, when the steel wire rope inclines to be in contact with the trigger ring, the trigger head of the travel switch is driven by the connecting rod, and the circuit of the signal transmitter is communicated for alarming.
In the hoisting steel wire rope inclined pulling alarm device, the fixed seat is connected with the travel switch through the fixed assembly, the fixed assembly comprises an L-shaped vertical plate fixed with the fixed seat and a connecting frame fixed with the travel switch, a longitudinal long groove is formed in the L-shaped vertical plate, a connecting bolt is arranged in the longitudinal long groove, and the connecting frame is connected with the L-shaped vertical plate through the connecting bolt.
In the hoisting steel wire rope inclined pulling alarm device, the travel switch is a direct-acting travel switch, the fixed seat is rotationally connected with a movable ball, the movable ball is fixedly connected with the connecting rod, a groove is formed in the movable ball, a trigger head of the direct-acting travel switch is located in the groove, and a return spring connected with the fixed seat is sleeved outside the connecting rod.
In the hoisting steel wire rope inclined pulling alarm device, the travel switch is a spring travel switch, the connecting rod is connected with the fixing seat through the reset spring, and the trigger head of the spring travel switch penetrates through the fixing seat and stretches into the reset spring.
Compared with the prior art, the invention is provided with the signal transmitter and the regulator arranged on the connecting rod, the regulator is provided with the annular conductor which surrounds the outside of the steel wire rope, and when the steel wire rope is inclined to be in contact with the conductor, a circuit path is formed between the conductor and the signal transmitter through transmission, so that the signal transmitter alarms. The state of the steel wire rope is monitored in real time, whether the steel wire rope is inclined at a preset angle or not is conveniently reflected, and an alarm is given in time, so that the safe operation of a hoisting system is guaranteed, the life and property loss caused by the fact that an electric hoist falls off a track due to the fact that the hoisting angle of the steel wire rope exceeds a use angle in the operation process of workers are solved, the whole equipment is simple in structure and low in manufacturing cost, can work in various severe environments, and is convenient to install and maintain.
And the connecting rod is fixed through the fixing base, has a plurality of standard screw holes and connecting holes on the fixing base, can be used for connecting different kinds and types of equipment or the standard interface of fixed different equipment, can carry out the adaptability installation according to actual operational environment.
Further, the conductor has an automatic recovery function, and when the steel wire rope is adjusted vertically, the conductor resets, the circuit path of the signal transmitter is cut off again, and the signal transmitter does not alarm any more. Can be repeatedly used, and has wide application range.
Therefore, the invention has the characteristics of simple structure, low manufacturing cost and wide application range.
Drawings
FIG. 1 is a schematic overall structure of embodiment 1;
FIG. 2 is a schematic structural view of the upper regulator in embodiment 1;
FIG. 3 is a schematic overall structure of embodiment 2;
fig. 4 is a schematic structural view of the spacer in embodiment 1 and embodiment 2;
FIG. 5 is a schematic overall structure of embodiment 3;
FIG. 6 is a schematic overall structure of embodiment 4;
fig. 7 is a schematic structural view of the fixing member in embodiment 3 and embodiment 4.
The marks in the drawings are: 1. a signal transmitter; 2. a fixing seat; 21. a connecting rod; 22. a regulator; 31. a mounting main body; 32. a through hole; 33. longitudinally slotting; 34. an adjusting bolt; 35. transverse slotting; 36. a fixing bolt; 41. an upper regulator; 42. a lower regulator; 43. a wire; 44. a conductive spring; 45. a metal ring; 46. an insulating sleeve; 51. a first regulator; 52. a second regulator; 53. an upper connecting rod; 54. a lower connecting rod; 55. a first spring; 56. a second spring; 57. an alarm ring; 61. a positioning sheet; 62. a positioning ring; 63. a notch; 71. a direct-acting travel switch; 72. a trigger ring; 73. a movable ball; 74. a groove; 75. a return spring; 81. a spring type travel switch; 82. a return spring; 83. an L-shaped vertical plate; 84. a connecting frame; 85. a longitudinal elongated slot; 86. a connecting bolt; 9. a wire rope.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to be limiting.
Example 1:
as shown in fig. 1 and 2, the hoisting steel wire rope inclined pulling alarm device comprises a signal emitter 1 and a fixed seat 2, wherein a connecting rod 21 for installing a regulator 22 is arranged on the fixed seat 2, one end of the regulator 22 is provided with a conductor which surrounds the outside of the steel wire rope 9, and the conductor is in clearance fit with the steel wire rope 9.
The regulator 22 comprises a mounting main body 31, a through hole 32 for the connecting rod 21 to pass through is formed in the mounting main body 31, a longitudinal slot 33 communicated with the through hole 32 is formed in one side of the mounting main body 31, an adjusting bolt 34 is arranged at the longitudinal slot 33, a transverse slot 35 for mounting a conductor is formed in the other side of the mounting main body 31, and a fixing bolt 36 is arranged at the transverse slot 35. The regulator 22 can move on the connecting rod 21 through the regulating bolt 34, so that the triggering position and the triggering angle of the steel wire rope 9 can be freely regulated according to actual requirements.
The adjusting bolt 34 of the adjuster 22 is provided with a positioning plate 61, the positioning plate 61 is provided with a positioning ring 62 for fixing the lead 43, and the side surface of the positioning ring 62 is provided with a notch 63. The locating plate is fixed on the regulator by the adjusting bolt, and the lead is fixed by the locating plate and the locating ring, so that the lead is connected stably, regularly and neatly, is not easy to fall off and is convenient to detach.
The regulator 22 comprises an upper regulator 41 connected with the cathode of the signal emitter 1 through a lead 43 and a lower regulator 42 connected with the anode of the signal emitter 1, wherein the upper regulator 41 and the lower regulator 42 are both connected with the connecting rod 21 through an insulating sleeve 46, a conductor of the upper regulator 41 is a conductive spring 44 which surrounds the outside of the steel wire rope 9 and is consistent with the distribution direction of the steel wire rope 9, a conductor of the lower regulator 42 is a metal ring 45 which surrounds the outside of the conductive spring 44, and when the steel wire rope 9 is inclined to drive the conductive spring 44 to contact with the metal ring 45, the circuit of the signal emitter 1 is communicated to alarm. The embodiment is suitable for detecting the situation that the inclination angle of the steel wire rope 9 is 0-15 degrees.
Example 2:
as shown in fig. 3 and 4, the hoisting steel wire rope inclined pulling alarm device comprises a signal emitter 1 and a fixed seat 2, wherein a connecting rod 21 for installing a regulator 22 is arranged on the fixed seat 2, one end of the regulator 22 is provided with a conductor which surrounds the outside of the steel wire rope 9, and the conductor is in clearance fit with the steel wire rope 9.
The regulator 22 comprises a mounting main body 31, a through hole 32 for the connecting rod 21 to pass through is formed in the mounting main body 31, a longitudinal slot 33 communicated with the through hole 32 is formed in one side of the mounting main body 31, an adjusting bolt 34 is arranged at the longitudinal slot 33, a transverse slot 35 for mounting a conductor is formed in the other side of the mounting main body 31, and a fixing bolt 36 is arranged at the transverse slot 35. The regulator 22 can move on the connecting rod 21 through the regulating bolt 34, so that the triggering position and the triggering angle of the steel wire rope 9 can be freely regulated according to actual requirements.
The adjusting bolt 34 of the adjuster 22 is provided with a positioning plate 61, the positioning plate 61 is provided with a positioning ring 62 for fixing the lead 43, and the side surface of the positioning ring 62 is provided with a notch 63.
The regulator 22 comprises a first regulator 51 connected with the cathode of the signal emitter 1 through a lead 43 and a second regulator 52 connected with the anode of the signal emitter 1, the connecting rod 21 comprises an upper connecting rod 53 and a lower connecting rod 54, the first regulator 51 is arranged on the upper connecting rod 53, the second regulator 52 is arranged on the lower connecting rod 54, the upper end of the upper connecting rod 53 is connected with the fixed seat 2 through a first spring 55, the lower end of the upper connecting rod 53 is connected with the lower connecting rod 54 through a second spring 56, the conductors of the first regulator 51 and the second regulator 52 are all alarm rings 57 encircling the outside of the steel wire rope 9, and when the steel wire rope 9 is inclined to be respectively contacted with the two alarm rings 57, the circuit of the signal emitter 1 is communicated for alarming. The embodiment is suitable for detecting the situation that the inclination angle of the steel wire rope 9 is smaller than 90 degrees.
Example 3:
as shown in fig. 5, the hoisting steel wire rope inclined pulling alarm device comprises a signal emitter 1 and a fixed seat 2, wherein a connecting rod 21 for installing a regulator 22 is arranged on the fixed seat 2, one end of the regulator 22 is provided with a conductor encircling the outside of the steel wire rope 9, the conductor of the regulator 22 is a trigger ring 72 encircling the outside of the steel wire rope 9, and the trigger ring 72 is in clearance fit with the steel wire rope 9. The regulator 22 comprises a mounting main body 31, a through hole 32 for the connecting rod 21 to pass through is formed in the mounting main body 31, a longitudinal slot 33 communicated with the through hole 32 is formed in one side of the mounting main body 31, an adjusting bolt 34 is arranged at the longitudinal slot 33, a transverse slot 35 for mounting the trigger ring 72 is formed in the other side of the mounting main body 31, and a fixing bolt 36 is arranged at the transverse slot 35. The regulator 22 can move on the connecting rod 21 through the adjusting bolt 34, so that the triggering position and the triggering angle of the steel wire rope 9 can be freely adjusted according to actual requirements.
The fixed seat 2 is further provided with a travel switch, the travel switch is a direct-acting travel switch 71, the direct-acting travel switch 71 is respectively connected with the positive electrode and the negative electrode of the signal transmitter 1 through a lead 43, the fixed seat 2 is rotationally connected with a movable ball 73, the movable ball 73 is fixedly connected with the connecting rod 21, the movable ball 73 is provided with a groove 74, a trigger head of the direct-acting travel switch 71 is positioned in the groove 74, and a return spring 75 connected with the fixed seat 2 is sleeved outside the connecting rod 21. When the steel wire rope 9 is inclined to be in contact with the trigger ring 72, the connecting rod 21 is driven to incline, the connecting rod 21 triggers the trigger head of the direct-acting travel switch 71 through the movable ball 73, and the circuit of the signal transmitter 1 is communicated to alarm.
The fixed seat 2 is connected with the direct-acting travel switch 71 through a fixed component, the fixed component comprises an L-shaped vertical plate 83 fixed with the fixed seat 2 and a connecting frame 84 fixed with the direct-acting travel switch 71, a longitudinal long groove 85 is formed in the L-shaped vertical plate 83, a connecting bolt 86 is arranged in the longitudinal long groove 85, and the connecting frame 84 is connected with the L-shaped vertical plate 83 through the connecting bolt 86. The travel switch can adjust the upper and lower mounting positions through the fixed component, so that the collision distance between the trigger head of the travel switch and the movable ball is adjusted to adjust the trigger angle of the steel wire rope. This embodiment is suitable for detecting the inclination of the wire rope 9 at a large angle. The detection accuracy is high.
Example 4:
as shown in fig. 6 and 7, the hoisting steel wire rope inclined pulling alarm device comprises a signal emitter 1 and a fixed seat 2, wherein a connecting rod 21 for installing a regulator 22 is arranged on the fixed seat 2, one end of the regulator 22 is provided with a conductor encircling the outside of the steel wire rope 9, the conductor of the regulator 22 is a trigger ring 72 encircling the outside of the steel wire rope 9, and the trigger ring 72 is in clearance fit with the steel wire rope 9. The regulator 22 comprises a mounting main body 31, a through hole 32 for the connecting rod 21 to pass through is formed in the mounting main body 31, a longitudinal slot 33 communicated with the through hole 32 is formed in one side of the mounting main body 31, an adjusting bolt 34 is arranged at the longitudinal slot 33, a transverse slot 35 for mounting the trigger ring 72 is formed in the other side of the mounting main body 31, and a fixing bolt 36 is arranged at the transverse slot 35. The regulator 22 can move on the connecting rod 21, so that the triggering angle of the steel wire rope 9 can be freely adjusted according to actual requirements, and the application range is wide.
The fixed seat 2 is further provided with a travel switch, the travel switch is a spring travel switch 81, the spring travel switch 81 is respectively connected with the positive electrode and the negative electrode of the signal transmitter 1 through the lead 43, the connecting rod 21 is connected with the fixed seat 2 through the reset spring 82, and the trigger head of the spring travel switch 81 penetrates through the fixed seat 2 and stretches into the reset spring 82. When the steel wire rope 9 is inclined to be in contact with the trigger ring 72, the connecting rod 21 is driven to incline, the trigger head of the spring type travel switch 81 is triggered by the reset spring 82, and the circuit of the signal transmitter 1 is communicated to alarm.
The fixed seat 2 is connected with the spring type travel switch 81 through a fixed component, the fixed component comprises an L-shaped vertical plate 83 fixed with the fixed seat 2 and a connecting frame 84 fixed with the spring type travel switch 81, a longitudinal long groove 85 is formed in the L-shaped vertical plate 83, a connecting bolt 86 is arranged in the longitudinal long groove 85, and the connecting frame 84 is connected with the L-shaped vertical plate 83 through the connecting bolt 86. The embodiment is suitable for the large-angle inclination alarm of the steel wire rope 9. The detection accuracy is high.
Claims (4)
1. Hoist and mount wire rope draws alarm device to one side, its characterized in that: the intelligent alarm device comprises a signal emitter (1) and a fixed seat (2), wherein a connecting rod (21) for installing an adjustor (22) is arranged on the fixed seat (2), one end of the adjustor (22) is provided with a conductor which surrounds the outside of a steel wire rope (9), and when the steel wire rope (9) is inclined to be in contact with the conductor, the circuit of the signal emitter (1) is communicated for alarming; the regulator (22) comprises an upper regulator (41) and a lower regulator (42) which are respectively connected with the anode and the cathode of the signal emitter (1) through wires (43), a conductor of the upper regulator (41) is a conductive spring (44) which surrounds the outside of the steel wire rope (9) and is consistent with the distribution direction of the steel wire rope (9), a conductor of the lower regulator (42) is a metal ring (45) which surrounds the outside of the conductive spring (44), and when the steel wire rope (9) inclines to drive the conductive spring (44) to contact with the metal ring (45), the circuit of the signal emitter (1) is communicated to alarm.
2. The hoisting wire rope diagonal tension alarm device according to claim 1, wherein: the conductor is in clearance fit with the steel wire rope (9).
3. The hoisting wire rope diagonal tension alarm device according to claim 1, wherein: the regulator (22) comprises a mounting main body (31), a through hole (32) for a connecting rod (21) to pass through is formed in the mounting main body (31), a longitudinal slot (33) communicated with the through hole (32) is formed in one side of the mounting main body (31), an adjusting bolt (34) is arranged at the position of the longitudinal slot (33), a transverse slot (35) for mounting a conductor is formed in the other side of the mounting main body (31), and a fixing bolt (36) is arranged at the position of the transverse slot (35).
4. The hoisting wire rope diagonal tension alarm device according to claim 1, wherein: the regulator (22) is provided with a locating piece (61), the locating piece (61) is provided with a locating ring (62) for fixing the lead (43), and the side surface of the locating ring (62) is provided with a notch (63).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410128899.9A CN117923334A (en) | 2021-06-18 | 2021-06-18 | Small-angle inclined-pulling alarm device for steel wire rope hoisting |
| CN202110676091.0A CN113415730B (en) | 2021-06-18 | 2021-06-18 | Hoisting wire rope inclined pulling alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110676091.0A CN113415730B (en) | 2021-06-18 | 2021-06-18 | Hoisting wire rope inclined pulling alarm device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410128899.9A Division CN117923334A (en) | 2021-06-18 | 2021-06-18 | Small-angle inclined-pulling alarm device for steel wire rope hoisting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113415730A CN113415730A (en) | 2021-09-21 |
| CN113415730B true CN113415730B (en) | 2024-01-26 |
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ID=77788944
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410128899.9A Pending CN117923334A (en) | 2021-06-18 | 2021-06-18 | Small-angle inclined-pulling alarm device for steel wire rope hoisting |
| CN202110676091.0A Active CN113415730B (en) | 2021-06-18 | 2021-06-18 | Hoisting wire rope inclined pulling alarm device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410128899.9A Pending CN117923334A (en) | 2021-06-18 | 2021-06-18 | Small-angle inclined-pulling alarm device for steel wire rope hoisting |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN117923334A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117246908B (en) * | 2023-11-16 | 2024-02-02 | 临沂众为智能科技有限公司 | Basic prefabricated part overhead hoist |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07277673A (en) * | 1994-04-12 | 1995-10-24 | Honda Motor Co Ltd | Crane centering device |
| KR20010001377U (en) * | 1999-06-28 | 2001-01-15 | 이구택 | A device for detecting vibration of wire rope |
| CN2905746Y (en) * | 2006-04-24 | 2007-05-30 | 孙佩杰 | Circuit-breaking and limit device for preventing canting pull of electric block |
| CN201999645U (en) * | 2010-12-08 | 2011-10-05 | 太原重工股份有限公司 | Steel wire rope unbalance alarm device of crane |
| CN202766117U (en) * | 2012-07-31 | 2013-03-06 | 大连益利亚工程机械有限公司 | Universal detector for diagonal pulling of lifting hook steel wire rope |
| CN203807031U (en) * | 2014-05-07 | 2014-09-03 | 山西兰花科技创业股份有限公司 | Deviation-preventive protecting device for bridge crane |
| CN203877775U (en) * | 2014-06-10 | 2014-10-15 | 四川川起起重设备有限公司 | Double-wire-rope failure warning crane cart |
| DE202017102534U1 (en) * | 2017-04-28 | 2017-06-01 | Aktiebolaget Skf | telescopic column |
| CN207483205U (en) * | 2017-09-04 | 2018-06-12 | 贾新霞 | A kind of anti-oblique drawing device of crane |
| CN111217272A (en) * | 2020-04-09 | 2020-06-02 | 湘潭市智全机械有限公司 | Anti-diagonal-pulling combined limit switch for hoisting steel wire rope |
| CN212050319U (en) * | 2019-10-09 | 2020-12-01 | 郑大伟 | Crane steel wire rope anti-diagonal pulling protection device |
| CN212403315U (en) * | 2020-05-29 | 2021-01-26 | 龙口中集来福士海洋工程有限公司 | Diagonal tension preventing device for hoist crane |
-
2021
- 2021-06-18 CN CN202410128899.9A patent/CN117923334A/en active Pending
- 2021-06-18 CN CN202110676091.0A patent/CN113415730B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07277673A (en) * | 1994-04-12 | 1995-10-24 | Honda Motor Co Ltd | Crane centering device |
| KR20010001377U (en) * | 1999-06-28 | 2001-01-15 | 이구택 | A device for detecting vibration of wire rope |
| CN2905746Y (en) * | 2006-04-24 | 2007-05-30 | 孙佩杰 | Circuit-breaking and limit device for preventing canting pull of electric block |
| CN201999645U (en) * | 2010-12-08 | 2011-10-05 | 太原重工股份有限公司 | Steel wire rope unbalance alarm device of crane |
| CN202766117U (en) * | 2012-07-31 | 2013-03-06 | 大连益利亚工程机械有限公司 | Universal detector for diagonal pulling of lifting hook steel wire rope |
| CN203807031U (en) * | 2014-05-07 | 2014-09-03 | 山西兰花科技创业股份有限公司 | Deviation-preventive protecting device for bridge crane |
| CN203877775U (en) * | 2014-06-10 | 2014-10-15 | 四川川起起重设备有限公司 | Double-wire-rope failure warning crane cart |
| DE202017102534U1 (en) * | 2017-04-28 | 2017-06-01 | Aktiebolaget Skf | telescopic column |
| CN207483205U (en) * | 2017-09-04 | 2018-06-12 | 贾新霞 | A kind of anti-oblique drawing device of crane |
| CN212050319U (en) * | 2019-10-09 | 2020-12-01 | 郑大伟 | Crane steel wire rope anti-diagonal pulling protection device |
| CN111217272A (en) * | 2020-04-09 | 2020-06-02 | 湘潭市智全机械有限公司 | Anti-diagonal-pulling combined limit switch for hoisting steel wire rope |
| CN212403315U (en) * | 2020-05-29 | 2021-01-26 | 龙口中集来福士海洋工程有限公司 | Diagonal tension preventing device for hoist crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113415730A (en) | 2021-09-21 |
| CN117923334A (en) | 2024-04-26 |
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