CN204224016U - A kind of cage overspeed protection device - Google Patents
A kind of cage overspeed protection device Download PDFInfo
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- CN204224016U CN204224016U CN201420718809.3U CN201420718809U CN204224016U CN 204224016 U CN204224016 U CN 204224016U CN 201420718809 U CN201420718809 U CN 201420718809U CN 204224016 U CN204224016 U CN 204224016U
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- speed
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- brake
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Abstract
A kind of cage overspeed protection device; comprise brake portion and the part that tests the speed; the part that tests the speed is connected between the casing of cage and guide steel wire rope; the part that tests the speed is connected by brake line with between brake portion; described guide steel wire rope penetrates in the safety tongs of brake portion; brake line is connected with safety tongs, and test the speed partly to comprise and test the speed parts and move down dynamic centrifugal-block in parts drive of testing the speed, centrifugal-block is provided with the breach that can penetrate brake line.The utility model has the advantage that detecting reliability is high, safety is good.
Description
Technical field
The utility model relates to the lift technique field of mine thing and personnel, especially relates to a kind of cage overspeed protection device.
Background technology
As the visual plant of mine hoisting material and personnel, the safety of cage is even more important.In order to ensure the safe operation of cage, cage is equipped with parachute, makes every effort to can ensure when steel rope disconnects accident of cage crashing not to occur, guarantee personal security.But there is the phenomenon that falling protector lost efficacy in actual production.Therefore, in order to avoid the safety misadventure caused that lost efficacy due to falling protector, in prior art, also overspeed protection device is provided with to cage, this overspeed protection device has following two classes: the 1) overspeed protection device of elevator, , in the side of elevator, speed measuring device is installed, use the original papers such as electric switch to test the speed and control to perform element acts, but this fender guard not only needs at the other opening space in pit shaft side to install speed measuring device, also need to provide constant current source to power, and electronic component is more responsive, its sensitivity controlled and accuracy rate are subject to ectocine large, easy generation misoperation, 2) gig cylinder overspeed protection device, because the speed measuring point of this device and execution point are all at cylinder place, can not realize available protecting to cage after steel rope disconnects.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming existed in prior art, one is provided to be arranged on cage, along with the overspeed protection device of cage up-and-down movement, this device is mechanical detection, effectively can avoid the failure of electronic component in harsh environment, detecting reliability is high, the technical scheme adopted is: a kind of cage overspeed protection device, comprise brake portion and the part that tests the speed, it is characterized in that: described in test the speed part be connected between the casing of cage and guide steel wire rope, the described part that tests the speed is connected by brake line with between brake portion, described guide steel wire rope penetrates in the safety tongs of brake portion, described brake line is connected with safety tongs, described test the speed part comprise test the speed parts and described test the speed parts drive move down dynamic centrifugal-block, described centrifugal-block is provided with the breach that can penetrate brake line.
The technical solution of the utility model also has: a kind of cage overspeed protection device, comprise brake portion and the part that tests the speed, it is characterized in that: described in test the speed part be connected between the casing of cage and guide steel wire rope, described testing the speed between part and brake portion is also provided with component part, the described part that tests the speed is connected by brake line II with between component part, described component part is connected by brake line I with between brake portion, described guide steel wire rope penetrates in the safety tongs of brake portion, described brake line I is connected with safety tongs, described test the speed part comprise test the speed parts and described test the speed parts drive move down dynamic centrifugal-block, described centrifugal-block is provided with the breach that can penetrate brake line.
Technical characteristic of the present utility model also has: described component part comprises the component box be fixed on casing, the component plate be connected with described brake line II is housed in described component box, described component plate is also connected with brake line I, between described component plate and described component box, be also provided with spring I, the radical of described brake line I is more than two.
Technical characteristic of the present utility model also has: described component part also comprises the guidepost being positioned at component box, and described component plate is through on described guidepost.
Technical characteristic of the present utility model also has: described safety tongs is connected on described casing, described safety tongs comprise wedge-shaped jaw seat, with the wedge-shaped jaw block of described wedge-shaped jaw seat bearing fit, described wedge-shaped jaw block is connected on trip rod, and described trip rod is connected with described brake line I.
Technical characteristic of the present utility model also has: described in the parts that test the speed comprise and be connected on described casing by spring III and the support of relative movement between casing, can be realized; The described parts that test the speed also comprise the fifth wheel with described guide steel wire rope frictional contact, described fifth wheel empty set is on the adapter shaft of support, guide cylinder is contained on described adapter shaft, at the two ends of described guide cylinder, described centrifugal-block is housed, and is connected between two centrifugal-blocks by spring II.
Technical characteristic of the present utility model also has: described safety tongs is connected on described casing, described safety tongs comprise wedge-shaped jaw seat, with the wedge-shaped jaw block of described wedge-shaped jaw seat bearing fit, described wedge-shaped jaw block is connected on trip rod, and described trip rod is connected with described brake line.
Technical characteristic of the present utility model also has: described casing is provided with guidepost, and described support is provided with the pipe link coordinated with described guidepost.
The beneficial effects of the utility model are: 1) safety protection device such as this device and parachute with the use of, when there is overspeed situation in cage, when the part that tests the speed detects that hypervelocity is abnormal, the check band of brake portion pulls safety tongs, thus under the effect of wedge-shaped jaw block, braking force is applied to guide steel wire rope, reaches the object of automatic brake; 2) part that tests the speed of this device is for Purely mechanical element, the part of detecting of mechanical structure to effectively prevent in prior art Electronic Testing element easily affected by environment, test inaccurate disadvantage; 3) braking force on a brake line can be on average applied to many brake lines by component box, plays the object that braking force coordinates, thus reduces the application force on single brake line, extend the service life of steel rope; 4) double-deck brake line is easy to install, and length can be selected arbitrarily, completely avoid the defect that the device volume of the element such as lever, pillar existence is large, heavy; 5) this device is directly installed on casing, without the need to increasing space in addition in order to arrange the part that tests the speed separately; 6) casing after automatic brake by meet on carry or below all can realize unlock, convenient to use; 7) the utility model has the advantage that detecting reliability is high, safety is good.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model structural representation, and wherein, 1 is safety tongs, and 2 is trip rods, 3 is guide steel wire ropes, and 4 is brake line I, and 5 is component boxes, and 6 is spring I, 7 is guideposts, and 8 is component plates, and 9 is brake line II, and 10 is centrifugal-blocks, 11 is fifth wheels, and 12 is spring II, and 13 is guide cylinders, and 14 is supports, 15 is spring III, and 16 is casings, and 17 is guideposts, 18 is wedge-shaped jaw blocks, and 19 is wedge-shaped jaw seats, and 20 is pipe links.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described.The utility model discloses a kind of and the matching used overspeed protection device of cage; comprise brake portion, test the speed part and component part; the part that tests the speed is connected between the casing 16 of cage and guide steel wire rope 3; the part that tests the speed is connected by brake line with between brake portion; guide steel wire rope 3 penetrates in the safety tongs 1 of brake portion, and brake line is also connected with safety tongs 1.Test the speed partly to comprise and test the speed parts and move down dynamic centrifugal-block 10 in parts drive of testing the speed, centrifugal-block 10 is provided with the breach that can penetrate brake line.When there is cage hypervelocity phenomenon, the parts that test the speed produce transverse shifting under centrifugal action, thus make to penetrate steel rope in the breach of centrifugal-block 10, by component part component after steel rope tension, then brake line pulls on wedge-shaped jaw block 18 and moves, and wedge-shaped jaw block 18 extrudes guide steel wire rope 3 and produces brake action.
In the present embodiment, the two ends of support 14 are provided with pipe link 20, and casing 16 is provided with guidepost 17, and the end of pipe link 20 to penetrate in guidepost 17 and can slide in guidepost 17.
Fifth wheel 11 empty set is on the adapter shaft of support 14, the side of fifth wheel 11 and guide steel wire rope 3 frictional contact, fifth wheel 11 empty set is on the adapter shaft of support 14, adapter shaft is also equipped with the guide cylinder 13 that two ends have endoporus, in two endoporus of guide cylinder 13, centrifugal-block 10 is housed respectively, linking springs II12 between two centrifugal-blocks 10, centrifugal-block 10 is provided with breach, when there is hypervelocity phenomenon, after centrifugal-block 10 transverse shifting, brake wire penetrates in breach, brake wire and then pull the braking of the wedge-shaped jaw block 18 pairs of guide steel wire ropes.
Component part comprises the component box 5 be fixed on casing 16, and the component plate 8 be connected with brake line II9 is housed in component box 5, and component plate 8 is also connected with brake line I4, and component plate 8 is through on guidepost 7.Between component plate 8 and component box 5, be also provided with spring I6, the radical of brake line I4 is more than two.The braking force that brake line II9 transmits and comes carries out component by component part, by the brakig force distribution born by a brake line II9 on the brake line I4 of more than two, by more than two brake line I4 shareds.
Safety tongs 1 is connected on casing 16, safety tongs 1 comprise fixing wedge-shaped jaw seat 19, with the wedge-shaped jaw block 18 of wedge-shaped jaw seat 19 bearing fit, wedge-shaped jaw block 18 is connected on trip rod 2, and trip rod 2 is connected with brake line I4.
Main working process: centrifugal-block 10, fifth wheel 11, spring II12 and guide cylinder 13 are installed on the support 14, support 14 is installed on casing 16 by guidepost 17, spring III15 is separately had between support 14 and casing 16, spring III15 applies precompressed compression, to ensure that drive wheel 11 can be pressed on guide steel wire rope 11, along with the up-and-down movement of casing 16, fifth wheel 11 rotates by producing with the friction force of guide steel wire rope 3, thus by guide cylinder 13, power is passed to centrifugal-block 10, centrifugal-block 10 rotates generation centnifugal force, the elastic force of the centnifugal force produced and spring III15 balances mutually, along with the increase of speed, the centnifugal force that centrifugal-block 10 produces is increasing, when rotating speed reaches certain value, the elongation of spring 15 reaches the position set by brake line 9II, centrifugal-block 10 hooks the steel rope of brake line 9, produce pulling force, produced pulling force is simultaneously passed to brake line I4 by component plate 8 by the wire rope transfers of brake line 9 internal layer by the pulling force produced to the component plate 8 in component block 5, by the steel wire of internal layer rope of brake line I4 by pull transfer on trip rod 2, trip rod 2 upward movement under a stretching force, drive wedge-shaped jaw block 18 upward movement of safety tongs 1 bottom, rub with guide steel wire rope 3, produce braking force, thus make casing 16 stop motion, guarantee the safety of personnel and article in casing.
Certainly; above-mentioned explanation is not limitation of the utility model; the utility model is also not limited only to above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also belongs to protection domain of the present utility model.
Claims (8)
1. a cage overspeed protection device; comprise brake portion and the part that tests the speed; it is characterized in that: described in test the speed part be connected between the casing of cage and guide steel wire rope; the described part that tests the speed is connected by brake line with between brake portion; described guide steel wire rope penetrates in the safety tongs of brake portion; described brake line is connected with safety tongs, described in test the speed part comprise test the speed parts and described test the speed parts drive move down dynamic centrifugal-block, described centrifugal-block is provided with the breach that can penetrate brake line.
2. a cage overspeed protection device, comprise brake portion and the part that tests the speed, it is characterized in that: described in test the speed part be connected between the casing of cage and guide steel wire rope, described testing the speed between part and brake portion is also provided with component part, the described part that tests the speed is connected by brake line II with between component part, described component part is connected by brake line I with between brake portion, described guide steel wire rope penetrates in the safety tongs of brake portion, described brake line I is connected with safety tongs, described test the speed part comprise test the speed parts and described test the speed parts drive move down dynamic centrifugal-block, described centrifugal-block is provided with the breach that can penetrate brake line.
3. according to cage overspeed protection device according to claim 2; it is characterized in that: described component part comprises the component box be fixed on casing; the component plate be connected with described brake line II is housed in described component box; described component plate is also connected with brake line I; between described component plate and described component box, be also provided with spring I, the radical of described brake line I is more than two.
4. according to cage overspeed protection device according to claim 3, it is characterized in that: described component part also comprises the guidepost being positioned at component box, described component plate is through on described guidepost.
5. according to cage overspeed protection device according to claim 3; it is characterized in that: described safety tongs is connected on described casing; described safety tongs comprise wedge-shaped jaw seat, with the wedge-shaped jaw block of described wedge-shaped jaw seat bearing fit; described wedge-shaped jaw block is connected on trip rod, and described trip rod is connected with described brake line I.
6., according to the cage overspeed protection device described in claim 1 or 2, it is characterized in that: described in the parts that test the speed comprise and be connected on described casing by spring III and the support of relative movement between casing, can be realized; The described parts that test the speed also comprise the fifth wheel with described guide steel wire rope frictional contact, described fifth wheel empty set is on the adapter shaft of support, guide cylinder is contained on described adapter shaft, at the two ends of described guide cylinder, described centrifugal-block is housed, and is connected between two centrifugal-blocks by spring II.
7. according to cage overspeed protection device according to claim 6; it is characterized in that: described safety tongs is connected on described casing; described safety tongs comprise wedge-shaped jaw seat, with the wedge-shaped jaw block of described wedge-shaped jaw seat bearing fit; described wedge-shaped jaw block is connected on trip rod, and described trip rod is connected with described brake line.
8. according to cage overspeed protection device according to claim 6, it is characterized in that: described casing is provided with guidepost, described support is provided with the pipe link coordinated with described guidepost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420718809.3U CN204224016U (en) | 2014-11-25 | 2014-11-25 | A kind of cage overspeed protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420718809.3U CN204224016U (en) | 2014-11-25 | 2014-11-25 | A kind of cage overspeed protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204224016U true CN204224016U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420718809.3U Active CN204224016U (en) | 2014-11-25 | 2014-11-25 | A kind of cage overspeed protection device |
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| CN (1) | CN204224016U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439046A (en) * | 2015-12-16 | 2016-03-30 | 云南昆船设计研究院 | Retaining device for effectively preventing lifting platform from falling |
| CN113003364A (en) * | 2021-02-23 | 2021-06-22 | 美卓矿山安全设备（徐州）有限公司 | Cage with safety device |
-
2014
- 2014-11-25 CN CN201420718809.3U patent/CN204224016U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439046A (en) * | 2015-12-16 | 2016-03-30 | 云南昆船设计研究院 | Retaining device for effectively preventing lifting platform from falling |
| CN113003364A (en) * | 2021-02-23 | 2021-06-22 | 美卓矿山安全设备（徐州）有限公司 | Cage with safety device |
| CN113003364B (en) * | 2021-02-23 | 2023-08-15 | 美卓矿山安全设备（徐州）有限公司 | Cage with safety device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |