CN220317123U - Grab bucket cable anti-winding protection device and crane grab bucket - Google Patents
Grab bucket cable anti-winding protection device and crane grab bucket Download PDFInfo
- Publication number
- CN220317123U CN220317123U CN202321908617.4U CN202321908617U CN220317123U CN 220317123 U CN220317123 U CN 220317123U CN 202321908617 U CN202321908617 U CN 202321908617U CN 220317123 U CN220317123 U CN 220317123U
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- cable
- grab bucket
- wire rope
- steel wire
- winding
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- 238000004804 winding Methods 0.000 title claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 6
- 230000001174 ascending effect Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 description 8
- 239000010813 municipal solid waste Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
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- Control And Safety Of Cranes (AREA)
Abstract
The utility model discloses a grab bucket cable anti-winding protection device and a crane grab bucket, wherein the protection device is assembled on a crane base, the top of the grab bucket is connected with a cable and a steel wire rope, the steel wire rope is fixed on the crane base through a winding drum, and a limiting blocking piece for blocking the collision or winding of the cable and the steel wire rope is arranged on the crane base between the cable and the steel wire rope. The protection device can block and reduce collision and winding of the cable and the steel wire rope to a certain extent, effectively reduce the winding probability of the cable and the steel wire rope, and effectively split the cable and the steel wire rope winding part by the limiting baffle piece in the ascending process of the rotating winding drum even if the winding occurs, and particularly can better treat the condition of loose winding and reduce faults. Aiming at the defects of the prior art, the utility model adopts a physical separation mode of setting the separation gear to prevent the cable from being brought into the winding drum at any time, thereby improving the reliability of the equipment and simultaneously reducing the work task of operators.
Description
Technical Field
The utility model belongs to the technical field of crane grab bucket equipment, and particularly relates to an anti-winding protection device for a grab bucket cable and a crane grab bucket.
Background
In a waste incineration power plant, waste is required to be continuously thrown into a boiler hopper, the waste is stored in a waste pool, the waste is grabbed from the waste pool by a grab bucket, the height of a feed inlet of the boiler hopper is generally about 30m, the grab bucket is required to grab the waste from any position in the waste pool, the waste is lifted and horizontally moved to the position above a designated feed inlet of the boiler, and then the grab bucket is released for feeding. Specifically, the grab bucket is required to be combined in modes of ascending, descending, moving back and forth, left and right and the like to finish grabbing, transporting and feeding. The grab bucket needs to run intermittently for 24 hours, and one grab bucket needs to ascend and descend hundreds of times a day. In the operation process, the self weight of the grab bucket and the weight of the garbage are borne by the steel wire rope, the cable does not bear the weight except the weight of the cable, so that the steel wire rope always bears the tension in the operation process, is in a straight line state, and does not bear the additional tension, is in an arc line relaxation state, and can be loosened more and more along with the lengthening of the operation time, and even can shake back and forth between the steel wire ropes. When the grab bucket moves horizontally in the descending process, the cable is easy to collide and wind with the steel wire rope when the swing amplitude reaches a certain angle and the descending distance reaches a certain value. In the process of grab bucket rising, the cable wound on the steel wire rope can be pulled into a winding drum groove of the steel wire rope by the steel wire rope, and under the condition of fully grabbing a weight of 20T, the cable is easily cut off, so that the cable is damaged, the circuit is shorted, the grab bucket stops operating, the feeding of a boiler is seriously influenced, and the continuous safe and stable operation is seriously influenced. In the prior art, a grab operator is generally relied on to timely find that a cable and a steel wire rope are wound, then the cable is actively stopped, and an maintainer goes to a winding position to manually separate the cable in situ. In the long-term operation process, the problem of cable winding is always found by means of naked eyes of a person, the uncontrollable factors of the person are more, if an operator is not careful, the cable is not found to be wound on the steel wire rope in time, and the wound cable is still difficult to avoid being brought into the winding drum groove by the steel wire rope, so that the cable is cut off, and faults such as line short circuit, grab bucket shutdown and the like are caused.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the grab bucket cable anti-winding protection device with high reliability and simple structure.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the grab bucket cable anti-winding protection device is assembled on a traveling crane base, a cable and a steel wire rope are connected to the top of the grab bucket, the steel wire rope is fixed on the traveling crane base through a winding drum, and a limiting stop piece for blocking the collision of the cable and the steel wire rope or winding is arranged on the traveling crane base between the cable and the steel wire rope.
Preferably, in the grab bucket cable anti-winding protection device, at least two mounting lugs with mounting holes are arranged on the lower surface of the traveling crane base, and two ends of the limiting stop piece penetrate into the two mounting holes respectively.
Preferably, the above grab bucket cable anti-winding protection device, wherein the driving base is provided with a limit switch, the mounting hole is a waist-shaped hole, the limit switch can be triggered when the limit stop piece ascends along the waist-shaped hole, the limit switch is electrically connected with the grab bucket controller, and the grab bucket controller stops the action of the grab bucket when receiving a trigger signal of the limit switch, and the display or the alarm sends alarm information.
Preferably, the limit switch is a travel switch, and the limit switch is installed on the upper portion of the waist-shaped hole.
Preferably, in the grab bucket cable anti-winding protection device, the limiting blocking piece is provided with a connecting rod, and the connecting rod is used for triggering the limiting switch when the limiting blocking piece ascends along the waist-shaped hole.
Preferably, in the grab bucket cable anti-winding protection device, the limit switch is a heavy hammer limit switch.
Preferably, the end part of the limiting baffle is provided with a limiting bolt for preventing the limiting baffle from falling out of the mounting hole.
The utility model also discloses a crane grab bucket, at least two groups of steel wire ropes are respectively positioned at two sides of the cable, each group at least comprises one steel wire rope, and each group of steel wire ropes and the cable are correspondingly provided with a grab bucket cable anti-winding protection device.
Compared with the prior art, the utility model has the advantages that:
(1) According to the grab bucket cable anti-winding protection device, the limiting blocking piece is arranged between the grab bucket cable and the steel wire rope, collision and winding of the grab bucket cable and the steel wire rope can be blocked to a certain extent, the winding probability of the grab bucket cable and the steel wire rope can be effectively reduced, even if the grab bucket cable and the steel wire rope are wound, the cable and the steel wire rope winding part can be effectively split by the limiting blocking piece in the ascending process along with the rotating winding drum, particularly, the situation that the winding is not tight can be well treated, and the occurrence of faults is reduced. Aiming at the defects of the prior art, the utility model adopts a physical separation mode of setting the separation gear to prevent the cable from being brought into the winding drum at any time, thereby improving the reliability of the equipment and simultaneously reducing the work task of operators.
(2) According to the grab bucket cable anti-winding protection device, the waist-shaped hole is used for installing the limiting blocking piece, so that the limiting blocking piece has a certain ascending distance, when the cable is tightly wound with the steel wire rope, the cable at the winding part ascends to the position of the limiting blocking piece along with the steel wire rope, the limiting blocking piece is driven to ascend, and the limiting switch is triggered, so that the controller can give an alarm in time, the ascending power supply of the grab bucket is cut off, the cable is prevented from being brought into the winding drum groove by the steel wire rope, the cable is prevented from being cut off, and the reliability of equipment is further guaranteed.
Drawings
Fig. 1 is a schematic installation view of the grab cable anti-winding protection device of embodiments 1 and 2 of the present utility model.
Fig. 2 is a schematic a side view of the grab cable anti-winding protection device of example 1 of the present utility model.
Fig. 3 is an enlarged partial schematic view of side a of the grab cable anti-winding protection device of example 1 of the present utility model.
Fig. 4 is a schematic B-side view of the grab cable anti-wind protection device of example 2 of the present utility model.
Legend description: 1. a travelling crane base; 2. a reel; 3. a fixing member; 4. a mounting ear; 41. a mounting hole; 5. a limit stop ruler; 51. a connecting rod; 52. a limit bolt; 6. a wire rope; 7. a cable; 8. a grab bucket; 9. and a limit switch.
Detailed Description
The utility model is described in further detail below with reference to the drawings and specific examples of the specification.
Example 1
Fig. 1 to 3 show a specific embodiment of the grab cable anti-winding protection device of the present utility model, which is assembled on a traveling crane base 1, a cable 7 and a wire rope 6 are connected to the top of a grab 8, the wire rope 6 is fixed on the traveling crane base 1 through a winding drum 2, and a limiting stop 5 for blocking the collision or winding of the cable 7 and the wire rope 6 is installed on the traveling crane base 1 between the cable 7 and the wire rope 6.
A group of protection devices are arranged between the cable 7 and the steel wire rope 6 on the lower surface of the traveling crane base 1, the limiting baffle piece 5 is positioned between the cable 7 and the steel wire rope 6, the collision and winding of the cable 7 and the steel wire rope can be blocked and reduced to a certain extent, the winding probability of the cable 7 and the steel wire rope is reduced, even if the winding occurs, the winding part of the cable 7 and the steel wire rope 6 can be effectively separated by the limiting baffle piece in the process of rising along with the rotating winding drum 2, particularly the condition of loose winding can be well treated, and the occurrence of faults is reduced. Aiming at the defects of the prior art, the embodiment adopts a physical separation mode of setting the separation gear, and the cable 7 is blocked from being brought into the winding drum 2 at any time, so that the reliability of the equipment is improved, and the work task of operators is lightened.
In this embodiment, the lower surface of the traveling crane base 1 is provided with at least two mounting lugs 4 with mounting holes 41, two ends of the limiting stopper 5 respectively penetrate into the two mounting holes 41, specifically, the limiting stopper 5 is a limiting stopper ruler, and the mounting lugs 4 are fixed on the lower surface of the traveling crane base 1 through the fixing pieces 3. Of course, in other embodiments, other mounting arrangements for the stop 5 are possible.
Further improved, in this embodiment, the traveling crane base 1 is provided with the limit switch 9, the mounting hole 41 is a waist-shaped hole, the limit switch 9 can be triggered when the limit stopper 5 ascends along the waist-shaped hole, the limit switch 9 is electrically connected with the traveling crane controller, when the traveling crane controller receives the trigger signal of the limit switch 9, the grab bucket 8 is stopped, and the display or the alarm connected with the grab bucket controller sends alarm information.
In operation, when the cable 7 and the steel wire rope 6 are tightly wound, the cable 7 has a certain inclination, the grab bucket is lifted at the moment, the cable 7 touches the limiting stop ruler, the limiting stop ruler is driven to be at a certain distance of Kong Zhongshang liters, and when the limiting stop ruler triggers the limiting switch 9, the controller enables the display screen to give out an alarm and display, and meanwhile the grab bucket 8 is stopped to lift. After the staff sees the alarm information, the staff intervenes manually, when the staff separates the cable 7 from the steel wire rope 6, the limiting stop ruler returns to the original position, the alarm disappears, and the grab bucket 8 can be put into operation again. Through the cooperation of limit stop chi, limit switch 9 and controller and display screen, guarantee that cable 7 is not brought into the reel inslot by wire rope 6 that can be better to avoid the cable to be cut off.
In this embodiment, the limit switch 9 is a travel switch, and the limit switch 9 is installed on the upper portion of the waist-shaped hole.
The utility model provides a grab bucket is hung to driving, specifically is grab bucket is hung to rubbish of msw incineration factory, this grab bucket is hung to rubbish is equipped with two sets of wire rope 6, is located cable 7 both sides respectively, and every wire rope 6 of group includes one, also can set up a plurality of according to the weight of grab bucket 8 in other embodiments, and every wire rope 6 of group and cable 7 correspond the grab bucket cable anti-winding protection device of the above-mentioned embodiment of assembly, consequently, the grab bucket is hung to driving of this embodiment also possesses the advantage of above-mentioned grab bucket cable anti-winding protection device.
Example 2
Fig. 4 shows another specific embodiment of the grab bucket cable anti-winding protection device, which has the main structure basically the same as that of the embodiment 1, and is assembled on a traveling base 1, a cable 7 and a steel wire rope 6 are connected to the top of a grab bucket 8, the steel wire rope 6 is fixed on the traveling base 1 through a winding drum 2, and a limiting stop piece 5 for blocking the collision or winding of the cable 7 and the steel wire rope 6 is arranged on the traveling base 1 between the cable 7 and the steel wire rope 6.
The main differences are that: in this embodiment, the limiting stopper 5 is provided with a connecting rod 51, and the connecting rod 51 is used for triggering the limiting switch 9 when the limiting stopper 5 ascends along the waist-shaped hole. The connecting rod 51 is arranged to trigger the limit switch 9, so that the position of the limit switch 9 is conveniently and flexibly arranged.
In this embodiment, the limit switch 9 is a heavy hammer limit switch.
In this embodiment, the end of the stopper 5 is provided with a stopper bolt 52 for preventing it from coming out of the mounting hole 41.
The utility model provides a grab bucket is hung to driving, specifically is grab bucket is hung to rubbish of msw incineration factory, this grab bucket is hung to rubbish is equipped with two sets of wire rope 6, is located cable 7 both sides respectively, and every wire rope 6 of group includes one, also can set up a plurality of according to the weight of grab bucket 8 in other embodiments, and every wire rope 6 of group and cable 7 correspond the grab bucket cable anti-winding protection device of the above-mentioned embodiment of assembly, consequently, the grab bucket is hung to driving of this embodiment also possesses the advantage of above-mentioned grab bucket cable anti-winding protection device.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.
Claims (8)
1. Grab bucket cable anti-winding protection device assembles on driving base (1), grab bucket (8) top is connected with cable (7) and wire rope (6), wire rope (6) are fixed on driving base (1) through reel (2), its characterized in that: a limiting baffle (5) used for blocking the collision or winding of the cable (7) and the steel wire rope (6) is arranged on the traveling crane base (1) between the cable (7) and the steel wire rope (6).
2. The grapple cable anti-wind protection device of claim 1, wherein: the lower surface of the traveling crane base (1) is provided with at least two mounting lugs (4) with mounting holes (41), and two ends of the limiting baffle (5) penetrate into the two mounting holes (41) respectively.
3. The grab cable anti-wind protection device of claim 2, wherein: be equipped with limit switch (9) on driving base (1), mounting hole (41) are waist type hole, limit stop (5) can trigger when rising along waist type hole limit switch (9), limit switch (9) are connected with grab bucket controller electricity, grab bucket controller makes when receiving the trigger signal of limit switch (9) grab bucket (8) stop action to make display or alarm send alarm information.
4. A grapple cable anti-wind protection device according to claim 3, characterized in that: the limit switch (9) is a travel switch, and the limit switch (9) is arranged on the upper portion of the waist-shaped hole.
5. A grapple cable anti-wind protection device according to claim 3, characterized in that: the limiting stopper (5) is provided with a connecting rod (51), and the connecting rod (51) is used for triggering the limiting switch (9) when the limiting stopper (5) ascends along the waist-shaped hole.
6. The grapple cable anti-wind protection device of claim 5, wherein: the limit switch (9) is a heavy hammer limit switch.
7. The grapple cable anti-wind protection device according to any one of claims 2 to 6, characterized in that: the end part of the limiting baffle piece (5) is provided with a limiting bolt (52) for preventing the limiting baffle piece from falling out of the mounting hole (41).
8. The utility model provides a grab bucket is hung in driving which characterized in that: at least two groups of steel wire ropes (6) are respectively positioned at two sides of the cable (7), each group of steel wire ropes (6) at least comprises one steel wire rope, and each group of steel wire ropes (6) and the cable (7) are correspondingly provided with a grab bucket cable anti-winding protection device according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321908617.4U CN220317123U (en) | 2023-07-19 | 2023-07-19 | Grab bucket cable anti-winding protection device and crane grab bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321908617.4U CN220317123U (en) | 2023-07-19 | 2023-07-19 | Grab bucket cable anti-winding protection device and crane grab bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220317123U true CN220317123U (en) | 2024-01-09 |
Family
ID=89416601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321908617.4U Active CN220317123U (en) | 2023-07-19 | 2023-07-19 | Grab bucket cable anti-winding protection device and crane grab bucket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220317123U (en) |
-
2023
- 2023-07-19 CN CN202321908617.4U patent/CN220317123U/en active Active
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