CN111455941A - Two-way positive force servo drive headstock gear structure - Google Patents
Two-way positive force servo drive headstock gear structure Download PDFInfo
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- CN111455941A CN111455941A CN202010414410.6A CN202010414410A CN111455941A CN 111455941 A CN111455941 A CN 111455941A CN 202010414410 A CN202010414410 A CN 202010414410A CN 111455941 A CN111455941 A CN 111455941A
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims description 19
- 230000002457 bidirectional effect Effects 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
- E02B7/36—Elevating mechanisms for vertical-lift gates
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a bidirectional positive force servo drive hoist structure, which comprises a horizontal steel structure welding foundation platform and a pair of H-shaped drive rods, wherein the horizontal steel structure welding foundation platform is provided with a pair of H-shaped drive rods; a worm and gear speed reducer, a servo motor, a planetary speed reducer, a driving drum shaft, a driven drum shaft, a bearing support, a driving drum, a driven drum, a driving gear, a driven gear and a driving rope are arranged on the horizontal steel structure welding foundation platform. This two-way positive force servo drive headstock gear structure is through setting up servo motor, worm gear speed reducer, planetary reducer and driving gear structure and reel subassembly form two positive servo drive headstock gear, convert the rotary motion of motor into the linear motion that the gate opened and shut, convert the rotatory torsion of motor into the power of opening and shutting that the gate opened and shut, not only the transmission is efficient, wearing and tearing are little, but also can provide even initiative drive power to the gate switch, and the structure is succinct, high durability and convenient use, and the degree of automation is high, long service life and other advantages.
Description
Technical Field
The invention belongs to the technical field of irrigation and water conservancy, and particularly relates to a bidirectional positive force servo drive hoist structure.
Background
The open-close machine is a power machine which is mounted on the empty ports of the buildings of reservoir, water discharge hole, hydraulic tunnel and sluice, etc., and can be used for regulating flow rate, controlling upstream and downstream water levels, discharging flood and removing silt or floating material, etc., and is a key component of hydraulic equipment.
The traditional headstock gear has two types, one is a screw type headstock gear, namely, a lead screw nut is driven by an alternating current motor to transmit, and a lead screw is directly connected with a gate. However, the screw rod and the nut are in sliding friction transmission, so that the mechanical efficiency is low, the abrasion is large, the screw rod is long and thin, and particularly, when the gate is closed, the screw rod is easy to unstably bend under pressure, so that the equipment is damaged. The other type is a winch hoist, namely, an alternating current motor drives a gear box, the output of the gear box is connected with a winding drum, a steel wire rope is wound on the winding drum, and the lower surface of the steel wire rope is connected with a gate through a movable pulley block. However, the winch hoist can only provide the gate with a pulling force for opening the door, the force for closing the door needs to fall by the self weight of the gate, when the guide groove of the gate is not smooth or foreign matters exist below the gate, the gate cannot be closed frequently, and steel wires can be scattered from the pulley block, so that the frequent maintenance is needed, and the operation safety of water conservancy facilities is influenced.
Disclosure of Invention
In order to overcome the defects, the invention provides a bidirectional positive force servo drive hoist structure which is high in transmission efficiency and small in abrasion and can provide active driving force for opening and closing a gate.
The technical scheme adopted by the invention for solving the technical problem is as follows: a bidirectional positive force servo drive hoist structure comprises a horizontal steel structure welding base platform and H-shaped drive rods which are vertically and symmetrically arranged on the left side and the right side of the horizontal steel structure welding base platform, wherein the two H-shaped drive rods can move up and down relative to the horizontal steel structure welding base platform; a worm gear reducer is fixed in the middle of the horizontal steel structure welding base platform, a servo motor is arranged on the front side of the worm gear reducer, and a pair of planetary reducers which are respectively and directly connected with the worm gear reducer are symmetrically arranged on the left side and the right side of the worm gear reducer; the outer sides of the two planetary speed reducers are respectively connected with a driving drum shaft through a coupler, a driving drum is arranged on the driving drum shaft, a driving gear is arranged at the tail end of the driving drum shaft, the driving drum shaft is positioned at two sides of the driving drum and is arranged on the horizontal steel structure welding base platform through a pair of bearing supports, and the driving drum is positioned at the front side of the H-shaped driving rod; a driven drum shaft parallel to the driving drum shaft is further mounted on the pair of bearing supports, a driven drum is arranged between the pair of bearing supports and is positioned on the rear side of the H-shaped driving rod, a driven gear is mounted at the tail end of the driven drum shaft, and the driven gear is correspondingly arranged with the driving gear and is in meshed transmission connection with the driving gear; the bottom of the H-shaped driving rod is connected with the gate, the top of the H-shaped driving rod is provided with a reversing wheel, a driving rope is additionally arranged, one end of the driving rope is fixed at the bottom of the front side of the H-shaped driving rod, the other end of the driving rope is wound on the driving winding drum for a plurality of circles and then is wound on the driven winding drum for a plurality of circles after being wound on the driving winding drum for a plurality of circles alternately backwards, and the driving rope is extended and fixed at the bottom of the.
As a further improvement of the invention, the rear side of the worm gear speed reducer is provided with an additional input shaft.
As a further improvement of the invention, the driving rope is a steel wire rope.
As a further improvement of the invention, the cross section of the H-shaped driving rod is H-shaped.
As a further improvement of the invention, the bottoms of the front side and the rear side of the H-shaped driving rod are respectively provided with a transverse plate, and two ends of the driving rope respectively penetrate through the transverse plates and then are knotted and fixed.
As a further improvement of the present invention, the driving spool shaft and the driven spool shaft are vertically connected to a pair of bearing brackets and enclose a square enclosed area, and the H-shaped driving rod is disposed at a central position of the square enclosed area.
The invention has the beneficial effects that: this two-way positive force servo drive headstock gear structure is through setting up servo motor, worm gear speed reducer, planetary reducer and driving gear structure and reel subassembly form two positive servo drive headstock gear, convert the rotary motion of motor into the linear motion that the gate opened and shut, convert the rotatory torsion of motor into the power of opening and shutting that the gate opened and shut, not only the transmission is efficient, wearing and tearing are little, but also can provide even initiative drive power to the gate switch, and the structure is succinct, high durability and convenient use, and the degree of automation is high, long service life and other advantages.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention.
The following description is made with reference to the accompanying drawings:
1-horizontal steel structure welding foundation platform; 2-H-shaped driving rod;
3-servo motor; 4-worm gear reducer;
5-planetary reducer; 6-a coupling;
7-driving reel shaft; 8-active reel;
9-driving gear; 10-bearing support;
11-driven reel shaft; 12-driven reel;
13-driven gear; 14-driving rope;
21-a reversing wheel; 22-transverse plate;
41-input shaft.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-2, the bidirectional positive force servo drive hoist structure comprises a horizontal steel structure welding base platform 1 and H-shaped driving rods 2 which are vertically and symmetrically arranged on the left side and the right side of the horizontal steel structure welding base platform 1, wherein the horizontal steel structure welding base platform 1 is fixed above empty openings of buildings such as reservoirs, drain holes, hydraulic tunnels, water gates and the like, a gate is fixed at the lower end of the pair of H-shaped driving rods 2, the two H-shaped driving rods 2 can move up and down relative to the horizontal steel structure welding base platform 1 to drive the gate to open and close, and a specific opening and closing driving mechanism is described in detail below.
Referring to fig. 1 and 2, a worm and gear speed reducer 4 is fixed in the middle of the horizontal steel structure welding foundation platform 1, a servo motor 3 is arranged on the front side of the worm and gear speed reducer 4, and a pair of planetary speed reducers 5 which are respectively directly connected with the worm and gear speed reducer 4 are symmetrically arranged on the left side and the right side. The outer sides of the two planetary speed reducers 5 are respectively connected with a driving drum shaft 7 through a coupler 6, a driving drum 8 is arranged on the driving drum shaft, a driving gear 9 is installed at the tail end of the driving drum shaft, the driving drum shaft is located on two sides of the driving drum 8 and is installed on the horizontal steel structure welding base platform 1 through a pair of bearing supports 10, and the driving drum is located on the front side of the H-shaped driving rod 2. A driven reel shaft 11 parallel to the driving reel 7 is further mounted on the pair of bearing supports 10, a driven reel 12 is arranged between the pair of bearing supports 10 on the driven reel shaft 11, the driven reel 12 is located on the rear side of the H-shaped driving rod 2, a driven gear 13 is mounted at the tail end of the driven reel shaft 11, and the driven gear 13 is correspondingly arranged with the driving gear 9 and is in meshed transmission connection with the driving gear.
The driving winding drum shaft and the driven winding drum shaft are vertically connected with the pair of bearing supports 10 and enclose a square closed area, and the H-shaped driving rod 2 is arranged at the center of the square closed area. The bottom of the H-shaped driving rod 2 is connected with a gate, the top of the H-shaped driving rod 2 is provided with a reversing wheel 21, a driving rope 14 is additionally arranged, one end of the driving rope 14 is fixed at the bottom of the front side of the H-shaped driving rod 2, the other end of the driving rope is wound on the driving winding drum for a plurality of circles, then is wound on the driven winding drum 12 for a plurality of circles after being reversed by the reversing wheel 21, and then is extended and fixed at the bottom of the rear side of the H-shaped driving rod 2.
During operation, servo motor 3 starts, adjust servo motor 3's rotational speed to required rotational speed through middle worm gear speed reducer 4 and a pair of planetary reducer 5 that directly links with worm gear speed reducer 4, and two initiative reel axles 7 of the both sides about respectively being given through the transmission of two shaft couplings 5 in two planetary reducer 5 outsides, thereby two initiative reel axles 7 with fix initiative reel 8 and the driving gear 9 synchronous rotation on this initiative reel axle 7, driving gear 9 is when rotating, drive driven gear 13 synchronous rotation with it meshing, and then drive the driven reel 12 synchronous rotation on driven reel axle 11 is fixed at driven gear 13's center pin promptly. And the H type actuating lever 2 of both sides has set up the driving rope 14 respectively, the bottom in the front and back side of H type actuating lever 2 is fixed at the both ends of driving rope 14, the mid portion twines a plurality of circles on the initiative reel after changing to the back through reverse wheel 21 and twines a plurality of circles on the driven reel again, make initiative reel 7 and driven reel 12 when synchronous reverse rotation, the synchronous reverse winding of driving rope on it or loosen corresponding initiative reel 7 and driven reel 12, and then drive the H type actuating lever 2 of both sides and rise or descend in step, finally drive the gate that fixes in a pair of H type actuating lever 2 bottoms and go up and down in step, realize opening and close of gate.
An additional input shaft 41 is arranged on the rear side of the worm gear speed reducer 4, and the speed reducer can be manually shaken to drive the gate to open and close when the equipment is powered off. The driving rope can be a steel wire rope or other ropes capable of bearing corresponding tension. The cross section of the H-shaped driving rod 2 is H-shaped, namely grooves are formed in the front side and the rear side of the H-shaped driving rod 2 respectively, so that the two sides of the driving winding drum 8 and the driven winding drum 12 can be correspondingly clamped into the grooves of the H-shaped driving rod 2 respectively, the lifting of the driving winding drum 8 and the driven winding drum 12 can be guided, and deflection in the using process is prevented.
In order to fix the driving rope, the bottoms of the front side and the rear side of the H-shaped driving rod 2 are respectively provided with a transverse plate 22, through holes are formed in the transverse plates 22, the two ends of the driving rope respectively penetrate through the through holes of the transverse plates and are fixed in a knotting mode, and the driving rope is convenient to install and adjust the tension degree.
The worm gear speed reducer 4 has a self-locking characteristic, and can keep a gate at a constant position and prevent the gate from falling off when the opening and closing mechanism is powered off. Planetary speed reducers are symmetrically arranged on two sides of the worm gear and worm speed reducer 4 and used for reducing speed and amplifying torque force on the winding drum. The driving drum shafts on the left side and the right side of the output shaft of the planetary reducer are connected through a coupler, so that equipment is convenient to install and maintain.
When the invention is used, the speed of opening and closing the gate can be changed by adjusting the rotating speed of the servo motor, so that the gate can be quickly opened and closed, the speed can be automatically reduced when the speed is close to full opening or full opening, and the mechanical impact and the emergency response can be reduced.
The invention can also control the lifting force for opening the brake and the closing force for closing the brake by adjusting the output torque of the servo motor, thereby preventing the equipment from running in an overload way. And the stop position of the gate can be accurately controlled by setting the number of rotating circles of the servo motor, so that the situation that the gate cannot be accurately stopped at an expected position when the motor is stopped due to inertia of a common motor can be prevented.
Therefore, the bidirectional forward force servo drive hoist structure is through setting up servo motor, the worm gear speed reducer, planetary reducer and transmission gear structure and reel subassembly form two forward servo drive hoist mechanism, convert the rotary motion of motor into the linear motion that the gate opened and shut, convert the rotatory torsion of motor into the power of opening and closing that the gate opened and shut, not only transmission efficiency is high, wearing and tearing are little, and can provide even initiative drive power to the gate switch, and the structure is succinct, high durability and convenient use, and high automation degree, long service life and other advantages.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the invention, which can be embodied in many different forms than described herein, and therefore the invention is not limited to the specific embodiments disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a two-way positive force servo drive headstock gear structure which characterized in that: the device comprises a horizontal steel structure welding base platform (1) and H-shaped driving rods (2) which are vertically and symmetrically arranged on the left side and the right side of the horizontal steel structure welding base platform (1), wherein the two H-shaped driving rods (2) can move up and down relative to the horizontal steel structure welding base platform (1); a worm gear speed reducer (4) is fixed in the middle of the horizontal steel structure welding foundation platform (1), a servo motor (3) is arranged on the front side of the worm gear speed reducer (4), and a pair of planetary speed reducers (5) which are respectively directly connected with the worm gear speed reducer (4) are symmetrically arranged on the left side and the right side; the outer sides of the two planetary speed reducers (5) are respectively connected with a driving drum shaft (7) through a coupler (6), a driving drum (8) is arranged on the driving drum shaft, a driving gear (9) is installed at the tail end of the driving drum shaft, the driving drum shaft is located on two sides of the driving drum (8) and is installed on the horizontal steel structure welding base platform (1) through a pair of bearing supports (10), and the driving drum is located on the front side of the H-shaped driving rod (2); a driven drum shaft (11) parallel to the driving drum shaft (7) is further mounted on the pair of bearing supports (10), a driven drum (12) is arranged between the pair of bearing supports (10) and located on the driven drum shaft (11), the driven drum (12) is located on the rear side of the H-shaped driving rod (2), a driven gear (13) is mounted at the tail end of the driven drum shaft (11), and the driven gear (13) is correspondingly arranged with the driving gear (9) and is in meshing transmission connection with the driving gear; the gate is connected to the bottom of H type actuating lever (2), and reverse wheel (21) are installed at the top, are equipped with driving rope (14) in addition, and the one end of this driving rope (14) is fixed in the bottom of the front side of H type actuating lever (2), the other end winding pass through after a plurality of rings on the initiative reel again the winding is gone up after reversing by reverse wheel (21) a plurality of rings on driven reel (12), extend again and fix the bottom of the rear side of H type actuating lever (2).
2. The bi-directional positive force servo drive hoist structure of claim 1, characterized in that: and an additional input shaft (41) is arranged at the rear side of the worm gear speed reducer (4).
3. The bi-directional positive force servo drive hoist structure of claim 1, characterized in that: the driving rope is a steel wire rope.
4. The bi-directional positive force servo drive hoist structure of claim 1, characterized in that: the cross section of the H-shaped driving rod (2) is H-shaped.
5. The bi-directional positive force servo drive hoist structure of claim 4, characterized in that: the bottom of the front side and the back side of the H-shaped driving rod (2) are respectively provided with a transverse plate (22), and the two ends of the driving rope respectively penetrate through the transverse plates and then are knotted and fixed.
6. The bi-directional positive force servo drive hoist structure of claim 1, characterized in that: the driving winding drum shaft and the driven winding drum shaft are vertically connected with a pair of bearing supports (10) and enclose a square closed area, and the H-shaped driving rod (2) is arranged at the center of the square closed area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010414410.6A CN111455941A (en) | 2020-05-15 | 2020-05-15 | Two-way positive force servo drive headstock gear structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010414410.6A CN111455941A (en) | 2020-05-15 | 2020-05-15 | Two-way positive force servo drive headstock gear structure |
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| Publication Number | Publication Date |
|---|---|
| CN111455941A true CN111455941A (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010414410.6A Pending CN111455941A (en) | 2020-05-15 | 2020-05-15 | Two-way positive force servo drive headstock gear structure |
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| CN (1) | CN111455941A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374849A (en) * | 2021-05-17 | 2021-09-10 | 三峡大学 | Gate power transmission device of planetary gear train and control method thereof |
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