CN112240734A - Mechanical stroke indicating device for hydraulic steel gate in unattended mode of hydropower station - Google Patents

Mechanical stroke indicating device for hydraulic steel gate in unattended mode of hydropower station Download PDF

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Publication number
CN112240734A
CN112240734A CN202011206536.0A CN202011206536A CN112240734A CN 112240734 A CN112240734 A CN 112240734A CN 202011206536 A CN202011206536 A CN 202011206536A CN 112240734 A CN112240734 A CN 112240734A
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China
Prior art keywords
guide pulley
plate
indicating
far away
hydraulic
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Granted
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CN202011206536.0A
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Chinese (zh)
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CN112240734B (en
Inventor
包广查
李红勇
安康
陆伟
董有存
杨春贵
蔡滨
龚官福
毛文波
董启泰
姚思楠
葛振旭
季兴光
奚云江
刘增荣
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Huaneng Lancang River Hydropower Co Ltd
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Huaneng Lancang River Hydropower Co Ltd
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Priority to CN202011206536.0A priority Critical patent/CN112240734B/en
Publication of CN112240734A publication Critical patent/CN112240734A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20Movable barrages; Lock or dry-dock gates
    • E02B7/26Vertical-lift gates
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20Movable barrages; Lock or dry-dock gates
    • E02B7/26Vertical-lift gates
    • E02B7/36Elevating mechanisms for vertical-lift gates
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B8/00Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/04Valves, slides, or the like; Arrangements therefor; Submerged sluice gates
    • E02B8/045Valves, slides, or the like; Arrangements therefor; Submerged sluice gates automatically movable

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention provides a hydraulic steel gate mechanical stroke indicating device under a hydropower station unattended mode, which comprises a hydraulic cylinder and a support plate, wherein the hydraulic cylinder is used for connecting a hydraulic steel gate, a first guide pulley is arranged on one side of the upper surface of the support plate, a second guide pulley is arranged on one side of the upper surface of the support plate, which is far away from the first guide pulley, an indicating plate is fixedly connected with one side surface of the support plate, which is close to the second guide pulley, the head part of a piston rod of the hydraulic cylinder is connected with a steel wire rope, one end of the steel wire rope, which is far away from the hydraulic cylinder, sequentially rounds a winding drum, the first guide pulley and the second guide pulley and penetrates through a first rope threading hole to extend into a limiting groove, and one end of the steel wire rope, which is positioned in the: the telescopic displacement of the piston rod of the hydraulic cylinder is converted into the displacement of the heavy hammer through the rotary motion of the winding drum, and the displacement is output on the indicating plate, so that an operator on duty can obtain information in time.

Description

Mechanical stroke indicating device for hydraulic steel gate in unattended mode of hydropower station
Technical Field
The invention discloses a hydraulic steel gate mechanical stroke indicating device in an unattended mode of a hydropower station, and belongs to the technical field of hydropower stations.
Background
The unattended mode is a high-level stage of modernization and development of the unattended mode of the large hydropower station, and has higher requirements on the reliability and the automation level of equipment of the hydropower station. An electric quantity encoder is usually arranged in an existing hydropower station water inlet accident door system and used for detecting the opening of a water inlet accident door and realizing emergency shutdown of a unit when the accident door has accidents such as abnormal sliding and the like. In the unattended mode, the opening degree of an accident door is monitored only through an electric quantity encoder, the measuring way is single, measuring points such as the opening degrees of the sliding down 1/3 and 2/3 of the accident door are used for emergency shutdown of the unit accident, when the encoder fails, the opening degree of the accident door is not monitored, if the accident door abnormally slides down at the moment, an attendant cannot obtain information in time, cannot start the emergency shutdown process in time, delays accident handling, and accordingly accidents such as non-shutdown of the unit can be caused. Meanwhile, when the unit is overhauled, if the measuring device is inaccurate, whether the gate is completely closed or not can not be judged, and potential safety hazards are brought to overhaul work.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a hydraulic steel gate mechanical stroke indicating device in an unattended mode of a hydropower station, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: a hydraulic steel gate mechanical stroke indicating device under a hydropower station unattended mode comprises a hydraulic cylinder and a support plate, wherein the hydraulic cylinder is used for connecting the hydraulic steel gate, a first guide pulley is arranged on one side of the upper surface of the support plate, a second guide pulley is arranged on one side, far away from the first guide pulley, of the upper surface of the support plate, an indicating plate is fixedly connected to one side surface, close to the second guide pulley, of the support plate, a vertically-arranged limiting groove is formed in the indicating plate, a vertically-arranged strip-shaped groove communicated with the limiting groove is formed in one side surface of the support plate, a first rope threading hole is formed in the upper portion of the limiting groove, a steel wire rope is connected to the head portion of a piston rod of the hydraulic cylinder, one end, far away from the hydraulic cylinder, of the steel wire rope sequentially bypasses a winding drum, the first guide pulley and the second guide pulley and penetrates through the first rope threading hole to, and a side surface, which is parallel and level with one surface of the indicating plate provided with the strip-shaped groove, of the supporting plate is sequentially provided with a gate full-closing point, a 1/3 opening point, a 2/3 opening point and a gate full-opening point from top to bottom.
Furthermore, a first angle iron is fixed at the position where the first guide pulley is installed on the support plate, a second angle iron is fixed at the position where the second guide pulley is installed on the support plate, the first guide pulley is rotatably connected with the first angle iron, and the second guide pulley is rotatably connected with the second angle iron.
Furthermore, a fixed rod with a round hole is fixedly connected to the head of a piston rod of the hydraulic cylinder, and one end, far away from the heavy hammer, of the steel wire rope is tied in the round hole.
Further, the winding drum is connected with an encoder through a coupling.
Further, the diaphragm that one side lower part position fixedly connected with level that the indicator panel deviates from the backup pad was arranged, one side fixedly connected with vertical arrangement's the riser is kept away from to the diaphragm lower surface, riser side lower part position set up threaded hole, threaded hole internal thread connection has adjusting screw, the one end that adjusting screw is close to the backup pad is rotated and is connected with the connection pad, the one end tether that the connection pad deviates from adjusting screw has the tractive line, second rope threading hole has been seted up to spacing inslot lower part position, second rope threading hole one side is equipped with the directive wheel with indicator panel fixed connection, the directive wheel is walked around and runs through the second rope threading hole to the one end that the connection pad was kept away from to the tractive line, the weight is connected to the one end that the tractive line is in the spacing inslot, adjusting screw keeps away from the.
Furthermore, a rolling bearing is sleeved on the outer surface of one end, far away from the handle, of the adjusting screw rod, the adjusting screw rod is fixedly connected with an inner ring of the rolling bearing, and an outer ring of the rolling bearing is fixedly connected with the connecting disc.
Further, the guide way that arranges along diaphragm length direction is seted up to diaphragm upper surface, slidable mounting has the deflector in the guide way, the deflector lower extreme and connection pad fixed connection.
Furthermore, a semicircular ring is fixed on one surface of the connecting disc, which is far away from the adjusting screw rod, and one end of the traction rope, which is far away from the heavy hammer, is tied in the semicircular ring.
Furthermore, an inclined reinforcing plate is fixed on one side, close to the indicating plate, of the upper surface of the transverse plate, and one end, far away from the transverse plate, of the reinforcing plate is fixedly connected with the indicating plate.
The invention has the beneficial effects that:
1. the steel wire rope measuring head is arranged at the head of a piston rod of the hydraulic cylinder, the steel wire rope sequentially bypasses the winding drum, the first guide pulley and the second guide pulley and is connected with a heavy hammer in the limiting groove, when the gate is fully opened, a piston rod of the hydraulic cylinder is completely retracted into the oil cylinder, and the steel wire rope moves upwards along with the piston rod and is completely wound on the winding drum; when the gate is completely closed, a piston rod of the hydraulic cylinder extends out, and the steel wire rope moves downwards along with the piston rod and is pulled out of the winding drum to drive the winding drum to rotate; the steel wire rope on the heavy hammer is rolled up, torque is transmitted through the first guide pulley and the second guide pulley, the steel wire rope is always in a tensioning state, the displacement speed of the heavy hammer is consistent with that of the steel wire rope connected with the hydraulic cylinder piston rod, and therefore the telescopic displacement of the hydraulic cylinder piston rod is converted into the displacement of the heavy hammer through the rotary motion of the winding drum, the displacement is output on the indicating plate, an operator on duty can timely obtain information, the emergency shutdown process can be timely started, the accident rapid processing is facilitated, and meanwhile when a unit is overhauled, whether the gate is completely closed or not is accurately judged.
2. When the steel wire rope in the limiting groove is in a bending state, the adjusting screw rod is rotated by the handle, the adjusting screw rod rotates in the threaded hole and drives the connecting disc to move towards the direction far away from the indicating plate, so that the traction rope is gradually tensioned, the steel wire rope in the limiting groove is in a stretched straight state under the traction of the traction rope, the position of the heavy hammer can be accurately known, and the measuring accuracy is further improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a hydraulic steel gate mechanical travel indicating device in an unattended mode of a hydropower station according to the invention;
FIG. 2 is an enlarged view of the position A in the mechanical stroke indicating device of the hydraulic steel gate in the unattended mode of the hydropower station;
FIG. 3 is a cross-sectional view of an indicator plate of the device for indicating the mechanical stroke of the hydraulic steel gate in the unattended mode of the hydropower station according to the invention;
FIG. 4 is a right side view of a vertical plate in the mechanical stroke indicating device of the hydraulic steel gate in the unattended mode of the hydropower station according to the invention;
FIG. 5 is a top view of a transverse plate in the hydraulic steel gate mechanical stroke indicating device in the unattended mode of the hydropower station;
in the figure: 1-hydraulic cylinder, 2-fixed rod, 3-steel wire rope, 4-winding drum, 5-supporting plate, 6-first guide pulley, 7-first angle iron, 8-second angle iron, 9-second guide pulley, 10-indicator plate, 11-gate full closing point, 12-strip groove, 13-1/3 opening point, 14-heavy hammer, 15-2/3 opening point, 16-pulling rope, 17-gate full opening point, 18-transverse plate, 19-vertical plate, 20-adjusting screw, 21-handle, 22-reinforcing plate, 23-reversing wheel, 24-encoder, 25-connecting disc, 26-rolling bearing, 27-guide plate, 28-semicircular ring, 29-limiting groove, 30-first rope-passing hole, 31-a second stringing hole, 32-a threaded hole and 33-a guide groove.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a hydraulic steel gate mechanical stroke indicating device under power station unmanned on duty mode, is including being used for connecting hydraulic cylinder 1 and backup pad 5 of hydraulic steel gate, and first guide pulley 6 is installed to 5 upper surface one sides of backup pad, and second guide pulley 9 is installed to the one side that first guide pulley 6 was kept away from to 5 upper surfaces of backup pad, and the design of first guide pulley 6 and second guide pulley 9 is convenient for wire rope 3's switching-over.
An indicating plate 10 is fixedly connected to one side surface of the supporting plate 5 close to the second guide pulley 9, a vertically arranged limiting groove 29 is formed in the indicating plate 10, and the limiting groove 29 plays a role in limiting the moving track of the heavy hammer 14.
A vertically arranged strip-shaped groove 12 communicated with the limiting groove 29 is formed in one side surface of the supporting plate 5, and the position of the heavy hammer 14 can be conveniently observed due to the design of the strip-shaped groove 12.
A first rope threading hole 30 is formed in the upper portion of the interior of the limiting groove 29, the head of a piston rod of the hydraulic cylinder 1 is connected with a steel wire rope 3, one end, far away from the hydraulic cylinder 1, of the steel wire rope 3 sequentially bypasses the winding drum 4, the first guide pulley 6 and the second guide pulley 9 and penetrates through the first rope threading hole 30 to extend into the limiting groove 29, one end, located in the limiting groove 29, of the steel wire rope 3 is connected with a heavy hammer 14, a measuring head of the steel wire rope 3 is installed at the head of the piston rod of the hydraulic cylinder 1, the steel wire rope 3 sequentially bypasses the winding drum 4, the first guide pulley 6 and the second guide pulley 9 and is connected with the heavy hammer 14 located in the limiting groove 29, when the gate is fully opened, the piston rod of the hydraulic cylinder 1 is; when the gate is completely closed, a piston rod of the hydraulic cylinder 1 extends out, and the steel wire rope 3 moves downwards along with the piston rod and is pulled out of the winding drum 4 to drive the winding drum 4 to rotate; the steel wire rope 3 on the heavy hammer 14 is rolled up, torque is transmitted through the first guide pulley 6 and the second guide pulley 9, the steel wire rope 3 is always in a tensioning state, the displacement speed of the heavy hammer 14 is consistent with that of the steel wire rope 3 connected with the piston rod of the hydraulic cylinder 1, and therefore the telescopic displacement of the piston rod of the hydraulic cylinder 1 is converted into the displacement of the heavy hammer 14 through the rotation motion of the winding drum 4, the displacement is output on the indicating plate 10, an operator on duty can obtain information timely, an emergency shutdown process can be started timely, rapid accident handling is facilitated, and meanwhile when a unit is overhauled, whether a gate is completely closed or not is accurately judged.
One side that the one side looks parallel and level of seting up strip groove 12 with indicator board 10 on backup pad 5 is from last to being equipped with the gate totally closed point 11 down in proper order, 1/3 aperture point 13, 2/3 aperture point 15, the gate totally opens the point 17, totally closed point 11 at the gate, 1/3 aperture point 13, 2/3 aperture point 15, the gate totally opens the point 17 and all installs travel switch additional, when the gate motion is to corresponding point, corresponding aperture position is just instructed to weight 14, thereby toggle travel switch, the system alright receive corresponding gate signal.
As an embodiment of the present invention: the position department of the first guide pulley 6 of backup pad 5 installation is fixed with first angle bar 7, and the position department of the second guide pulley 9 of backup pad 5 installation is fixed with second angle bar 8, and first guide pulley 6 rotates with first angle bar 7 to be connected, and second guide pulley 9 rotates with second angle bar 8 to be connected, and first angle bar 7 provides the support carrier for first guide pulley 6, and second angle bar 8 provides the support carrier for second guide pulley 9.
As an embodiment of the present invention: the head of the piston rod of the hydraulic cylinder 1 is fixedly connected with a fixed rod 2 with a round hole, one end, far away from the heavy hammer 14, of the steel wire rope 3 is tied in the round hole, and the head of the piston rod of the hydraulic cylinder 1 is fixedly connected with the fixed rod 2 with the round hole, so that the steel wire rope 3 is conveniently connected with the hydraulic cylinder 1.
As an embodiment of the present invention: the winding drum 4 is connected with an encoder 24 through a coupler, the encoder 24 is connected with the winding drum 4 through the coupler, accordingly, the displacement of the piston rod of the hydraulic cylinder 1 is converted into the movement of the encoder 24, a continuous detection signal is output, the signal is sent to a gate control system through a special cable, and the automatic control of the opening degree of a gate is achieved.
As an embodiment of the present invention: one side lower part position fixedly connected with level that indicator plate 10 deviates from backup pad 5 is arranged diaphragm 18, and one side fixedly connected with vertical arrangement's riser 19 of backup pad 5 is kept away from to diaphragm 18 lower surface, and 19 side lower part positions of riser have seted up screw hole 32, and screw hole 32 female connection has adjusting screw 20, and diaphragm 18 and riser 19 play the effect that supports adjusting screw 20 jointly.
One end of the adjusting screw 20 close to the support plate 5 is rotatably connected with a connecting disc 25, one end of the connecting disc 25 far away from the adjusting screw 20 is tied with a pulling rope 16, a second rope-threading hole 31 is formed in the lower part of the limiting groove 29, a reversing wheel 23 fixedly connected with the indicating plate 10 is arranged on one side of the second rope-threading hole 31, one end of the pulling rope 16 far away from the connecting disc 25 bypasses the reversing wheel 23 and penetrates through the second rope-threading hole 31, one end of the pulling rope 16 in the limiting groove 29 is connected with a heavy hammer 14, a handle 21 is arranged on the outer surface of one end of the adjusting screw 20 far away from the connecting disc 25, when the steel wire rope 3 in the limiting groove 29 is in a bending state, the adjusting screw 20 is rotated by the handle 21, the adjusting screw 20 rotates in the threaded hole 32 and drives the connecting disc 25 to move in a direction far away from the indicating plate 10, so that the pulling rope 16 is gradually tensioned, and further, the position of the heavy hammer 14 can be accurately known, and the measurement accuracy is further improved.
As an embodiment of the present invention: the outer surface of one end, far away from the handle 21, of the adjusting screw 20 is sleeved with a rolling bearing 26, the adjusting screw 20 is fixedly connected with an inner ring of the rolling bearing 26, an outer ring of the rolling bearing 26 is fixedly connected with the connecting disc 25, and the rolling bearing 26 realizes the rotary connection of the adjusting screw 20 and the connecting disc 25.
As an embodiment of the present invention: the upper surface of the transverse plate 18 is provided with a guide groove 33 arranged along the length direction of the transverse plate 18, a guide plate 27 is arranged in the guide groove 33 in a sliding mode, the lower end of the guide plate 27 is fixedly connected with the connecting disc 25, and when the adjusting screw 20 drives the connecting disc 25 to move, the connecting disc 25 drives the guide plate 27 to slide along the guide groove 33, so that the connecting disc 25 is prevented from rotating along with the adjusting screw 20.
As an embodiment of the present invention: a semicircular ring 28 is fixed on one side of the connecting disc 25, which is far away from the adjusting screw 20, one end of the pulling rope 16, which is far away from the heavy hammer 14, is tied in the semicircular ring 28, and the design of the semicircular ring 28 is convenient for the connection of the pulling rope 16 and the connecting disc 25.
As an embodiment of the present invention: an inclined reinforcing plate 22 is fixed on one side of the upper surface of the transverse plate 18 close to the indicating plate 10, one end, far away from the transverse plate 18, of the reinforcing plate 22 is fixedly connected with the indicating plate 10, the reinforcing plate 22 is installed between the transverse plate 18 and the indicating plate 10, and the installation reliability of the transverse plate 18 is improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides a hydraulic steel gate mechanical stroke indicating device under power station unmanned on duty mode, includes pneumatic cylinder (1) and backup pad (5) that are used for connecting the hydraulic steel gate, its characterized in that: the hydraulic cylinder is characterized in that a first guide pulley (6) is installed on one side of the upper surface of the support plate (5), a second guide pulley (9) is installed on one side, away from the first guide pulley (6), of the upper surface of the support plate (5), an indicating plate (10) is fixedly connected to one side, close to the second guide pulley (9), of the support plate (5), a vertically arranged limiting groove (29) is formed in the indicating plate (10), a vertically arranged strip-shaped groove (12) communicated with the limiting groove (29) is formed in one side of the support plate (5), a first rope penetrating hole (30) is formed in the upper portion of the limiting groove (29), the head of a piston rod of the hydraulic cylinder (1) is connected with a steel wire rope (3), one end, away from the hydraulic cylinder (1), of the steel wire rope (3) is sequentially wound around a winding drum (4), the first guide pulley (6) and the second guide pulley (9) and penetrates through the first rope penetrating hole (, one end that wire rope (3) are in spacing groove (29) is connected with weight (14), the side that sets up one side looks parallel and level of bar groove (12) with indicator board (10) on backup pad (5) is from last to being equipped with gate full close point (11), 1/3 aperture point (13), 2/3 aperture point (15), gate full open point (17) down in proper order.
2. The device of claim 1, wherein the device is adapted to indicate the mechanical stroke of the hydraulic steel gate in the unattended mode of the hydropower station, and comprises: the utility model discloses a bearing support, including backup pad (5), second guide pulley (9), first guide pulley (6) are installed to the position department of backup pad (5) installation first guide pulley (6) is fixed with first angle bar (7), the position department of backup pad (5) installation second guide pulley (9) is fixed with second angle bar (8), first guide pulley (6) rotate with first angle bar (7) and are connected, second guide pulley (9) rotate with second angle bar (8) and are connected.
3. The device of claim 1, wherein the device is adapted to indicate the mechanical stroke of the hydraulic steel gate in the unattended mode of the hydropower station, and comprises: the head of a piston rod of the hydraulic cylinder (1) is fixedly connected with a fixed rod (2) with a round hole, and one end, far away from the heavy hammer (14), of the steel wire rope (3) is tied in the round hole.
4. The device of claim 1, wherein the device is adapted to indicate the mechanical stroke of the hydraulic steel gate in the unattended mode of the hydropower station, and comprises: the winding drum (4) is connected with an encoder (24) through a coupler.
5. The device of claim 1, wherein the device is adapted to indicate the mechanical stroke of the hydraulic steel gate in the unattended mode of the hydropower station, and comprises: the indicating plate is characterized in that a horizontal transverse plate (18) is fixedly connected to the lower portion of one side of the indicating plate (10) far away from the supporting plate (5), a vertical plate (19) is fixedly connected to one side of the lower surface of the transverse plate (18) far away from the supporting plate (5), a threaded hole (32) is formed in the lower portion of one side of the vertical plate (19), an adjusting screw (20) is connected to the threaded hole (32) in an internal thread manner, one end, close to the supporting plate (5), of the adjusting screw (20) is rotatably connected with a connecting disc (25), one end, far away from the adjusting screw (20), of the connecting disc (25) is tied with a pulling rope (16), a second rope penetrating hole (31) is formed in the lower portion of the limiting groove (29), a reversing wheel (23) fixedly connected with the indicating plate (10) is arranged on one side of the second rope penetrating hole (31), one end, far away from the connecting disc (25), of the pulling, one end of the traction rope (16) in the limiting groove (29) is connected with the heavy hammer (14), and the outer surface of one end of the adjusting screw rod (20) far away from the connecting disc (25) is provided with a handle (21).
6. The device of claim 5 for indicating the mechanical stroke of the hydraulic steel gate in the unattended mode of the hydropower station, wherein the device comprises: the outer surface of one end, far away from the handle (21), of the adjusting screw rod (20) is sleeved with a rolling bearing (26), the adjusting screw rod (20) is fixedly connected with an inner ring of the rolling bearing (26), and an outer ring of the rolling bearing (26) is fixedly connected with the connecting disc (25).
7. The device of claim 5 for indicating the mechanical stroke of the hydraulic steel gate in the unattended mode of the hydropower station, wherein the device comprises: the guide way (33) that arrange along diaphragm (18) length direction are seted up to diaphragm (18) upper surface, slidable mounting has deflector (27) in guide way (33), deflector (27) lower extreme and connection pad (25) fixed connection.
8. The device of claim 5 for indicating the mechanical stroke of the hydraulic steel gate in the unattended mode of the hydropower station, wherein the device comprises: a semicircular ring (28) is fixed on one surface of the connecting disc (25) departing from the adjusting screw rod (20), and one end of the traction rope (16) far away from the heavy hammer (14) is tied in the semicircular ring (28).
9. The device of claim 5 for indicating the mechanical stroke of the hydraulic steel gate in the unattended mode of the hydropower station, wherein the device comprises: one side that diaphragm (18) upper surface is close to indicator board (10) is fixed with reinforcing plate (22) of slope form, the one end and the indicator board (10) fixed connection of diaphragm (18) are kept away from in reinforcing plate (22).
CN202011206536.0A 2020-11-03 2020-11-03 Mechanical stroke indicating device for hydraulic steel gate in unattended mode of hydropower station Active CN112240734B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114920001A (en) * 2022-05-07 2022-08-19 广州祺盈科技有限公司 Method for adjusting space and height of sucker components of cigarette carton grabbing device

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