CN204080753U - Gate hoist alignment device - Google Patents
Gate hoist alignment device Download PDFInfo
- Publication number
- CN204080753U CN204080753U CN201420528581.1U CN201420528581U CN204080753U CN 204080753 U CN204080753 U CN 204080753U CN 201420528581 U CN201420528581 U CN 201420528581U CN 204080753 U CN204080753 U CN 204080753U
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- gate
- grasping beam
- proximity transducer
- grasping
- shaft device
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Abstract
The utility model relates to gate of hydropower station and controls equipment field, especially a kind of gate hoist alignment device.The utility model provides a kind of device realizing the exactitude position of grasping beam and gate more accurately.This device comprises grasping beam, drive motors, gate, gripping arm, proximity transducer and grasping beam and wears shaft device, grasping beam is worn shaft device and is passed through HYDRAULIC CONTROL SYSTEM by drive motors, proximity transducer is connected with door machine PLC control system by door machine control cables, gate is arranged gate lifting eye plate; Gripping arm is controlled by proximity transducer near the speed of gate lifting eye plate and alignment, and after the bearing pin center that grasping beam that and if only if wears shaft device is aimed at center, hanger hole, grasping beam stops declining and locking, and the bearing pin that described grasping beam wears shaft device penetrates in hanger hole.The danger that the utility model can not only effectively prevent grasping beam and gate from colliding, well can ensure again the precision of contraposition, also better protect relevant device, be particularly useful for the control field of water power shutter opening and closing.
Description
Technical field
The utility model relates to gate of hydropower station and controls equipment field, especially a kind of gate hoist alignment device.
Background technology
The contraposition of existing water power hydraulic automatic grabbing beam is generally by realizing with two kinds of lower schemes: a kind of is adopt the contraposition recoil simulator be arranged under grasping beam above hanger to control, the iron core head of contraposition recoil simulator withstood by gate lifting eye top board and on move, produce induced-current, when induced-current reaches the minimum value of range, opposite house machine sends the signal stopping declining, and makes the bearing pin center of now grasping beam aim at the center in gate lifting eye hole.This scheme advantage is to control simply, but because grasping beam has larger inertia, grasping beam also can continue to decline, and causes the situation of grasping beam bearing pin center and the off(-)center of gate lifting eye hole to occur, contraposition recoil simulator and gate lifting eye even can be made when grasping beam decrease speed is very fast to collide and damage.Another kind is by arranging sleeve in grasping beam, lock gate leaf is arranged supportingly with it wear pin, and when sleeve being fallen wear on pin, grasping beam bearing pin center is just aimed at center, gate lifting eye hole.The advantage of this scheme is sleeve and wears pin both to can be used as alignment device, serve good guide effect simultaneously, but each contraposition process grasping beam and gate all can clash into, because grasping beam has larger quality, each shock dynamics is larger, wear shaft device to grasping beam and ancillary service all can cause greater impact, long-term impact is all disadvantageous to grasping beam and gate, and can cause sleeve and wear the reduction of pin quality of fit thus affect contraposition.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of grasping beam that can softlyer realize more accurately and wears the bearing pin center of shaft device and the exactitude position at center, gate lifting eye hole, and effectively reduces the gate hoist alignment device of the collision between grasping beam and gate.
The utility model solves the technical scheme that its technical problem adopts: gate hoist alignment device, comprise grasping beam, drive motors, be arranged at the gate below grasping beam and be arranged in grasping beam and gripping arm for connecting gate, also comprise and be arranged at proximity transducer below gripping arm and grasping beam wears shaft device, described grasping beam is worn shaft device and is passed through HYDRAULIC CONTROL SYSTEM by drive motors, described proximity transducer is connected with door machine PLC control system by door machine control cables, gate is arranged gate lifting eye plate; Gripping arm is controlled by proximity transducer near the speed of gate lifting eye plate and alignment, and after the bearing pin center that grasping beam that and if only if wears shaft device is aimed at center, hanger hole, grasping beam stops declining and locking, and the bearing pin that described grasping beam wears shaft device penetrates in hanger hole.
Further, described proximity transducer is arranged in gripping arm.
Further, comprise the pilot sleeve being arranged in grasping beam and being provided with sleeve chamber and the guide finger be arranged on gate, described grasping beam is when gate, and guide finger is inserted in sleeve chamber.
Further, comprise the two pairs of sidewise supporting devices being arranged at grasping beam, described sidewise supporting device controls moving left and right and overturning of grasping beam.
Further, comprise the supporting arrangement of the two pairs of water (flow) directions being arranged at grasping beam, comprise two to main supporting arrangement and two to reverse supporting arrangement, the supporting arrangement of described water (flow) direction controls the movable of grasping beam and upset.
Further, described proximity transducer is reflective holds magnetic induction type proximity transducer.
The beneficial effects of the utility model are: when reality uses, grasping beam is first close to gate, and naturally, proximity transducer now and grasping beam wear shaft device also close towards gate lifting eye plate.When proximity transducer detecting head arrives gate lifting eye hole upper extreme position, transmit a signal in a machine PLC control system immediately, now, door machine jack up unit reduces decrease speed immediately, allows grasping beam decline with the slow-paced continuation slowed down gradually.Last, arrive shackle plate lower limit position and grasping beam wear the bearing pin center of shaft device and center, hanger hole on time when proximity transducer detects, proximity transducer feeds back to a machine PLC control system immediately, and control gate machine jack up unit stopped declining in the very first time, and grasping beam stops declining.Because jack up unit is operating to take progressively to fall slow-revving mode before, so braking can be realized at this moment rapidly, thus grasping beam is prevented to wear the bearing pin center of shaft device and the danger of hanger hole off(-)center.The speed governing thought that the utility model have employed " flexibility "; the contraposition that grasping beam wears shaft device and gate lifting eye hole is realized by the thought of " process control "; effectively can not only prevent the danger occurring because grasping beam declines too soon colliding with gate; well can ensure again the precision of contraposition; more accurate compared with traditional technology; also better protect relevant device, be particularly useful for the control field of water power shutter opening and closing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Be labeled as in figure: grasping beam 1, grasping beam wears shaft device 11, proximity transducer 111, pilot sleeve 12, sleeve chamber 121, gripping arm 13, wear the bearing pin center 131 of shaft device, the supporting arrangement 14 of water (flow) direction, sidewise supporting device 15, drive motors 16, gate 2, gate lifting eye plate 21, center, hanger hole 211, control point 221, control point 222, control point 223, control point 224, guide finger 22, gripping arm insied width A, the outer width B of gate lifting eye plate, grasping beam wears shaft device bearing pin center to proximity transducer center probe interval S, center, hanger hole is to shackle plate limit inferior distance L.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Gate hoist alignment device as shown in Figure 1, comprise grasping beam 1, drive motors 16, be arranged at the gate 2 below grasping beam 1 and be arranged in grasping beam 1 and gripping arm 13 for connecting gate 2, also comprise the grasping beam be arranged at below gripping arm 13 and wear shaft device 11 and proximity transducer 111, described grasping beam is worn shaft device 11 and is passed through HYDRAULIC CONTROL SYSTEM by drive motors 16, described proximity transducer 111 is connected with door machine PLC control system by door machine control cables, gate 2 is arranged gate lifting eye plate 21; The reset signal that gripping arm 13 is obtained in the position, four control points of shackle plate 21 by proximity transducer 111 near speed and the alignment of gate lifting eye plate 21 controls, after the bearing pin center 131 that grasping beam that and if only if wears shaft device 11 is aimed at center, hanger hole 211, grasping beam 1 stops declining and locking, and the bearing pin that described grasping beam wears shaft device 11 penetrates in the hanger hole of gate lifting eye plate 21.
When lower grasping beam 1 goes to grab gate 2, originally grasping beam 1 is carried to gate 2 with grasping beam 1 with speed faster by door machine, after proximity transducer 111 detects gate lifting eye plate 21 limes superiors control point 221, obtain first time high level signal, now grasping beam 1 continues the decline of maintenance speed, when proximity transducer 111 is through behind the control point 222 of gate lifting eye hole upper extreme position, obtain first time reset signal, a machine PLC control system is transferred to by this reset signal, door machine jack up unit reduces decrease speed immediately, grasping beam 1 continues to move downward with the speed slowed down gradually, when proximity transducer 111 is through behind the control point 223 of gate lifting eye hole lower limit position, obtain second time high level signal, now grasping beam 1 continues to decline with slow speed, when proximity transducer 111 is just behind gate lifting eye plate 21 limit inferior control point 224, obtain second time reset signal, a machine PLC control system is transferred to by this reset signal, door machine jack up unit stops declining and locking immediately, grasping beam 1 stops declining, and the bearing pin center 131 that now grasping beam wears shaft device 11 also completes with center, hanger hole 211 to be aimed at, last drive motors 16 starts, and wears shaft device 11 start to wear axle by HYDRAULIC CONTROL SYSTEM grasping beam.General, described proximity transducer is arranged in gripping arm.
When reality uses, need arranging grasping beam, to wear shaft device bearing pin center equal to shackle plate limit inferior distance L with center, hanger hole to proximity transducer center probe interval S, i.e. S=L.When ensureing that the probe of proximity transducer 111 arrives control point 224, the center, hanger hole 211 at bearing pin center 131 and gate lifting eye plate 21 that grasping beam 1 wears shaft device 11 is just aimed at.In addition, the detecting distance arranging proximity transducer is that the difference of gripping arm 13 insied width A and the outer width B of gate lifting eye plate 21 adds a distance, delta more than needed, i.e. detecting distance m=A-B+ Δ, Δ is distance more than needed, 0< Δ < δ+B-A, δ is the thickness of gate lifting eye plate 21.Ensure that proximity transducer 111 each control point in gate lifting eye plate 21 all can detect signal.
Further, proximity transducer 111 is reflective holds magnetic induction type proximity transducer, controls the decrease speed of grasping beam with reset signal, and grasping beam wears the bearing pin center 131 of shaft device 11 and the contraposition at center, hanger hole 211.
Further, in order to regulate the shift position of grasping beam 1 more flexibly, thus ensure carrying out smoothly of contraposition, such technical scheme can be selected: comprise the supporting arrangement 14 being arranged at two pairs of sidewise supporting devices 15 in grasping beam 1 and two pairs of water (flow) directions, described sidewise supporting device 15 is for limiting grasping beam 1 moving left and right and overturning in gate slot, the supporting arrangement 14 of described water (flow) direction, for limiting grasping beam 1 in the movement of Parallel to the flow direction and upset, makes grasping beam 1 can only move up and down in the gate slot of gate 2.
Further, in order to ensure that the shackle plate 21 of gate 2 can enter in the gripping arm 13 of grasping beam 1 more accurately, thus ensure carrying out smoothly of contraposition, such technical scheme can be selected: comprise the pilot sleeve 12 be arranged in grasping beam 1 and the guide finger 22 be arranged on gate 2, conical design can guide grasping beam accurately to decline, and shackle plate 21 is entered in gripping arm 13 smoothly.Meanwhile, the horn mouth design of gripping arm lower edge also has certain guide effect.
Claims (6)
1. gate hoist alignment device, comprise grasping beam (1), drive motors (16), be arranged at the gate (2) of grasping beam (1) below, and be arranged at the upper and gripping arm (13) for connecting gate (2) of grasping beam (1), it is characterized in that: comprise be arranged at gripping arm (13) below proximity transducer (111) and grasping beam wear shaft device (11), described grasping beam is worn shaft device (11) and is passed through HYDRAULIC CONTROL SYSTEM by drive motors (16), described proximity transducer (111) is connected with door machine PLC control system by door machine control cables, gate (2) is arranged gate lifting eye plate (21), speed and the alignment of the close gate lifting eye plate (21) of gripping arm (13) are controlled by proximity transducer (111), after the bearing pin center (131) that grasping beam that and if only if wears shaft device (11) is aimed at center, hanger hole (211), grasping beam (1) stops declining and locking, and the bearing pin that described grasping beam wears shaft device (11) penetrates in the hanger hole of gate lifting eye plate (21).
2. gate hoist alignment device as claimed in claim 1, is characterized in that: described proximity transducer (111) is arranged in gripping arm (13).
3. gate hoist alignment device as claimed in claim 1 or 2, it is characterized in that: comprise the pilot sleeve (12) being arranged in grasping beam (1) and being provided with sleeve chamber (121) and the guide finger (22) be arranged on gate (2), described grasping beam (1) is when gate (2), and guide finger (22) is inserted in sleeve chamber (121).
4. gate hoist alignment device as claimed in claim 1 or 2, it is characterized in that: comprise the two pairs of sidewise supporting devices (15) being arranged at grasping beam (1), described sidewise supporting device (15) controls moving left and right and overturning of grasping beam (1).
5. gate hoist alignment device as claimed in claim 1 or 2, it is characterized in that: the supporting arrangement (14) comprising the two pairs of water (flow) directions being arranged at grasping beam (1), comprise two to main supporting arrangement and two to reverse supporting arrangement, the supporting arrangement (14) of described water (flow) direction controls the movable of grasping beam (1) and upset.
6. gate hoist alignment device as claimed in claim 1 or 2, is characterized in that: described proximity transducer (111) is reflective holds magnetic induction type proximity transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528581.1U CN204080753U (en) | 2014-09-15 | 2014-09-15 | Gate hoist alignment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528581.1U CN204080753U (en) | 2014-09-15 | 2014-09-15 | Gate hoist alignment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204080753U true CN204080753U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420528581.1U Active CN204080753U (en) | 2014-09-15 | 2014-09-15 | Gate hoist alignment device |
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| CN (1) | CN204080753U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929082A (en) * | 2015-05-29 | 2015-09-23 | 许炎章 | Double-lock-cylinder extruding hanging type mechanical grab beam device |
| CN105179339A (en) * | 2015-08-26 | 2015-12-23 | 葛洲坝机械工业有限公司 | Hydraulic control system on underwater hydraulic automatic grabbing beam |
| CN105804032A (en) * | 2016-05-04 | 2016-07-27 | 黄河勘测规划设计有限公司 | Accurate positioning system for total walking travel of hydropower station portal crane |
| CN116240861A (en) * | 2023-02-06 | 2023-06-09 | 中国长江电力股份有限公司 | Hydraulic grab beam pin penetrating mechanism with barrier breaking head and pin rod stroke detection method thereof |
-
2014
- 2014-09-15 CN CN201420528581.1U patent/CN204080753U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929082A (en) * | 2015-05-29 | 2015-09-23 | 许炎章 | Double-lock-cylinder extruding hanging type mechanical grab beam device |
| CN105179339A (en) * | 2015-08-26 | 2015-12-23 | 葛洲坝机械工业有限公司 | Hydraulic control system on underwater hydraulic automatic grabbing beam |
| CN105804032A (en) * | 2016-05-04 | 2016-07-27 | 黄河勘测规划设计有限公司 | Accurate positioning system for total walking travel of hydropower station portal crane |
| CN116240861A (en) * | 2023-02-06 | 2023-06-09 | 中国长江电力股份有限公司 | Hydraulic grab beam pin penetrating mechanism with barrier breaking head and pin rod stroke detection method thereof |
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| C14 | Grant of patent or utility model | ||
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