CN115305881B - Automatic switching device and method for counterweight lever type gate locking beam - Google Patents
Automatic switching device and method for counterweight lever type gate locking beam Download PDFInfo
- Publication number
- CN115305881B CN115305881B CN202211151394.1A CN202211151394A CN115305881B CN 115305881 B CN115305881 B CN 115305881B CN 202211151394 A CN202211151394 A CN 202211151394A CN 115305881 B CN115305881 B CN 115305881B
- Authority
- CN
- China
- Prior art keywords
- gate
- swing arm
- arm
- locking
- counterweight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Gates (AREA)
Abstract
The automatic switching device comprises an accelerating mechanism, a switching mechanism, a swing arm and a following roller, wherein the switching mechanism and the swing arm are connected with the accelerating mechanism and form a lever by taking the accelerating mechanism as a fulcrum, a arm support of the switching mechanism is provided with the locking beam and the counterweight beam, a gear seat of the accelerating mechanism is fixed on a base surface at two ends of a gate opening, the following roller is fixed on the side surface of the gate, the swing arm extends to the upper part of the gate opening and is inclined, the following roller moves up and down along with the gate, the accelerating mechanism cooperates with the switching mechanism to automatically switch on and lock the gate, and after the gate is switched off and locked, the locking and the gate is not influenced, no electric driving equipment is needed, the severe environment is effectively overcome, the system fault is not easy to cause, and the operating efficiency of the equipment is improved.
Description
Technical Field
The invention belongs to the technical field of hydropower station gate locking, and relates to an automatic feeding and withdrawing device and method for a balance weight lever type gate locking beam.
Background
In hydraulic system engineering, can set up a lot of be used for reservoir equipment to overhaul required plane gate of manger plate or flood discharge, to the gate of maintenance manger plate function, this kind of plane gate is supported the gate at gate door pocket drill way position generally through the gate locking roof beam, when needs drop the gate when the gate drops into the maintenance manger plate, at first need drop the gate operating mode with the locking roof beam that supports the gate, then carry out the operation of falling the gate again, realize throwing into the manger plate function, when needs drop out the manger plate function, put out the gate through the headstock gear and put out the drill way, then hang the gate through the gate locking roof beam support in drill way position, the one-time gate is overhauld manger plate function has been accomplished promptly.
For the flood discharge gate, the flood discharge gate is mainly used for discharging more water from a reservoir, the water level of a reservoir area is ensured to be at a safe height, the gate is generally arranged at the orifice of the flood discharge flow channel for retaining water, when flood discharge work is needed, the plane gate is lifted out of the orifice through the headstock, flood discharge work is carried out, in order to prevent the gate from sliding down to influence flood discharge, the gate is generally effectively supported above the orifice through the gate locking beam, after flood discharge is completed, the support of the gate locking beam is withdrawn, the gate is stopped at the bottom sill part through the headstock, and the gate lifting and flood discharge functions are completed once.
The two modes need to switch the locking beam supported by the plane gate between the input state and the exit state in different working condition stages, and the main operation method for the locking beam of the gate at present is as follows:
one is to take manual operation, which is the most commonly used operation method at present, but the method is very labor-consuming, has low efficiency and has potential safety hazard in gate orifice operation;
the other is to drive the locking beam by external force, such as hydraulic driving locking beam, electric driving locking beam and the like, the method can realize the automatic switching of the locking beam, but the method is equivalent to adding a set of driving equipment at the position of the orifice, thereby adding unnecessary maintenance work for maintenance personnel, and the switching working condition of the locking beam has very low use frequency, so that a set of equipment is added, and the cost performance is not high; in addition, the gate is generally installed outdoors, so that the working environment of the locking beam is very bad, such as damp, sun exposure, low temperature and the like, and the installation of the power source driving device of the throwing and retreating device in such an environment easily causes the system of the driving device to be failed, thereby influencing the normal operation of the device.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic throwing and withdrawing device and method for a balance weight lever type gate locking beam, wherein a throwing and withdrawing mechanism and a swing arm are connected with an accelerating mechanism and form a lever by taking the accelerating mechanism as a fulcrum, a locking beam and a balance weight beam are arranged on an arm support of the throwing and withdrawing mechanism, a gear seat of the accelerating mechanism is fixed on a base surface at two ends of a gate opening, a following roller is fixed on the side surface of the gate, the swing arm extends to the upper part of the gate opening and is inclined, the following roller moves up and down along with the gate, the accelerating mechanism cooperates with the throwing and withdrawing mechanism to automatically throw and lock the gate, the closing and the opening of the gate are not influenced after the gate is withdrawn and locked, electric driving equipment is not needed, the severe environment is effectively overcome, the system failure is not easy to cause, and the operation efficiency of the equipment is improved.
In order to solve the technical problems, the invention adopts the following technical scheme: the automatic throwing and withdrawing device for the balance weight lever type gate locking beam comprises an accelerating mechanism, a throwing and withdrawing mechanism, a swing arm and a following roller; the switching mechanism and the swing arm are connected with the accelerating mechanism, a lever is formed by taking the accelerating mechanism as a fulcrum, and the following roller is in rolling contact with the swing arm and drives the swing arm to swing; when the swing arm swings, the accelerating mechanism is driven to drive the switching mechanism to accelerate and turn over, so that the locking beam of the switching mechanism is shifted to realize switching locking, or the counterweight beam of the switching mechanism is reset under the dead weight to realize switching-out locking, and the accelerating mechanism is driven to drive the swing arm to reset.
The accelerating mechanism comprises a driving gear and a transition gear which are meshed in the gear seat, and the output gear is meshed with the transition gear; the number of teeth of the driving gear is the same as that of the transition gear, and the number of teeth of the output gear is smaller than that of the transition gear.
The switching mechanism comprises an arm support fixedly connected with two ends of the rotating shaft, and a locking beam and a counterweight beam which are connected with the arm support; the rotating shaft is connected with an output gear of the accelerating mechanism.
The arm support comprises a vertical arm connected with a horizontal arm, an inclined arm extending upwards is arranged at one end of the horizontal arm, a rotating shaft penetrates through the joint of the horizontal arm and the vertical arm, a shaft head arranged at the end of the vertical arm is matched with the locking beam, and a shaft head arranged at the end of the inclined arm is matched with the counterweight beam; the length of the horizontal arm is greater than the length of the vertical arm.
The locking beam and the counterweight beam are hollow beam bodies, the counterweight body is axially arranged in the hollow beam bodies, the cross section of the counterweight body is of a trapezoid structure, and the shaft hole is formed in one side of the smaller end cross section of the counterweight body.
The swing arm is a hollow frame, both ends of the frame at one side extend outwards to form a guide slope, and the length of the connecting arm arranged at the lower end of the frame at the other side is longer than that of the guide slope at the corresponding side; the connecting arm is connected with a driving gear of the accelerating mechanism.
The lower end of the connecting arm is provided with a buffer mechanism; the buffer shaft of the buffer mechanism is axially provided with a key groove and a radial limiting groove, the buffer shaft is matched with a gear seat of the acceleration mechanism to be connected with a driving gear, the connecting arm is matched with the buffer shaft, the limiting pin penetrates through the connecting arm to be matched with the limiting groove, and two ends of the torsion spring are respectively connected with the connecting arm and the buffer shaft.
The two ends of the roller shaft of the following roller are provided with rollers, and the fixed block close to the rollers is connected with the roller shaft; the fixed block is provided with a clamping groove, and the mounting hole laterally penetrates through the clamping groove.
The swing arm is inclined, and the roller wheel of the following roller is in rolling contact with the upper side surface or the lower side surface of the frame of the swing arm.
The automatic switching method of the automatic switching device of the counterweight lever type gate locking beam comprises the following steps:
s1, mounting, namely fixing gear seats on basic surfaces at two ends of a gate opening, extending swing arms to the upper part of the gate opening and inclining, and fixing fixed blocks of following rollers on two sides of the gate close to supporting lug plates; in the step, the gate is in a state to be put into, the roller is positioned at the upper part of the swing arm and is not contacted with the swing arm, the counterweight beam is supported by the base surface of the gate, the locking beam is in a suspended state and is far away from the edge of the gate, and the length of the locking beam is larger than the width of the gate opening;
s2, starting to throw in, enabling the gate to move downwards, enabling the idler wheel to slowly approach the guide slope at the upper end of the swing arm and roll and contact with the guide slope, enabling the swing arm to rotate around the buffer shaft for an angle without rotating the buffer shaft under the torsion action of the torsion spring of the buffer mechanism when the idler wheel rolls over the guide slope; in the step, the roller forms buffer contact with a guide slope at the upper end of the swing arm, and the driving gear does not rotate;
s3, before the lock is put into, the gate continues to descend, when the idler wheel passes through a guide slope at the upper end of the swing arm and enters the upper side surface of the swing arm to roll with the guide slope, the limiting pin is abutted against one end of the limiting groove to limit the swing arm, the swing arm drives the driving gear to drive the transition gear to rotate under the rolling of the idler wheel, the transition gear drives the output gear to rotate in an accelerating way, the output gear drives the rotating shaft and the arm support to rotate, the balance beam moves upwards rapidly to separate from the gate base surface when the arm support rotates, and the locking beam descends gradually and approaches the side surface of the gate slowly;
s4, putting into locking, continuing to descend the gate, and when the locking beam descends along with the locking beam and approaches the side surface of the gate, pressing the upper side surface of the locking beam by the supporting lug plate to enable the upper side surface of the locking beam to move downwards, and finally enabling two ends of the locking lug plate to contact with the basic surface of the gate, so that the gate is limited to descend and stop at a locking position; in this step, the roller passes over the lower end of one side of the swing arm;
s5, the lock is withdrawn, the gate moves upwards, the arm support drives the rotating shaft and the output gear to rotate under the action of gravity of the counterweight beam, the output gear drives the transition gear and the driving gear to rotate, and the driving gear drives the swing arm to reset; in the step, the locking beam is in sliding contact with the supporting lug plate in the upward movement process of the gate until the weight beam is in contact with the gate base surface, the locking beam is separated from the supporting lug plate, and the idler wheel is positioned on the back side of the swing arm;
s6, closing the gate, and after the gate is withdrawn from the lock, moving the gate downwards until the gate falls into the gate slot;
and S7, opening the door, after the door is withdrawn and locked or after the door is closed, in the upward movement process of the gate, the roller is gradually in rolling contact with the back side of the swing arm, when the roller passes through the upper end of the back side of the swing arm, the swing arm rotates around the buffer shaft by an angle, and the buffer shaft does not rotate, so that the roller passes over the swing arm and rises to the upper part of the swing arm, and the next throwing and the withdrawing are waited.
The invention has the main beneficial effects that:
the following roller is arranged on the side surface of the gate, and rises and falls along with the rising and falling of the gate, and the following roller and the swing arm are matched to serve as driving parts of the accelerating mechanism, so that other power sources are not needed.
The throwing and retreating mechanism and the swing arm are connected with the accelerating mechanism and form a lever by taking the accelerating mechanism as a fulcrum, and the swing arm inclines above the gate opening and contacts with the roller when the gate descends.
The swing arm is connected with the driving gear, the transition gear is meshed with the output gear, the rotating shaft of the switching mechanism is connected with the output gear, the number of teeth of the driving gear and the transition gear is the same, and the number of teeth of the transition gear is larger than that of the output gear, so that the arm support connected with the rotating shaft can be quickly turned over when the swing arm slowly swings, and acceleration is formed.
The cantilever crane is the structure of buckling, and its horizontal arm one end sets up the tilting arm that upwards extends, all sets up the spindle nose on vertical arm and the tilting arm respectively with locking beam and counter weight roof beam cooperation, and the length of horizontal arm is greater than the length of vertical arm, under the unconstrained circumstances of locking beam, utilizes the gravity drive acceleration mechanism of counter weight roof beam to drive and throws and move mechanism and swing arm and reset.
The counterweight bodies are arranged in the locking beam and the counterweight beam, so that the upper side surfaces of the locking beam and the counterweight beam are always upwards in the overturning process of the arm support.
The roller moves up and down along with the gate, the accelerating mechanism cooperates with the throwing and retreating mechanism to automatically throw and lock the gate, the closing and opening of the gate are not affected after the locking is retreated, and the locking and retreating are automatically completed without electric driving equipment.
The swing arm is connected with the driving gear through the buffer mechanism, the limiting pin is matched with the limiting groove to limit the included angle of the movable swing amplitude of the swing arm, so that the swing arm is favorable for buffering when being put into the device, the impact force of the roller on the swing arm is reduced, and the gear is prevented from being damaged; and in the door opening process, the roller can smoothly pass over the swing arm.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is an installation state diagram of the present invention.
Fig. 2 is a use state diagram of the present invention.
Fig. 3 is a schematic structural view of the present invention.
Fig. 4 is a schematic structural view of the gear seat of the present invention.
Fig. 5 is an enlarged schematic view at a of fig. 1.
Fig. 6 is a schematic structural diagram of the connection between the rotating shaft and the arm support according to the present invention.
Fig. 7 is a schematic structural view of the weight beam of the present invention.
Fig. 8 is a schematic structural view of the locking beam of the present invention.
Fig. 9 is a schematic structural view of a swing arm according to the present invention.
Fig. 10 is a schematic structural view of a damper shaft according to the present invention.
Fig. 11 is a schematic view of the following roller structure of the present invention.
Fig. 12 is a state diagram before the present invention is put into operation.
Fig. 13 is a state diagram at the time of administration of the present invention.
FIG. 14 is a state diagram of the gate lock of the present invention.
Fig. 15 is a state diagram of the gate of the present invention when the gate is closed or opened after the gate is withdrawn from the lock.
In the figure: the device comprises an acceleration mechanism 1, a gear seat 11, a driving gear 12, a transition gear 13, an output gear 14, a throwing and withdrawing mechanism 2, a rotating shaft 21, a cantilever crane 22, a locking beam 23, a counterweight beam 24, a counterweight body 25, a swinging arm 3, a guide slope 31, a connecting arm 32, a following roller 4, a rolling shaft 41, a rolling wheel 42, a fixed block 43, a buffer mechanism 5, a buffer shaft 51, a key groove 52, a limit groove 53, a limit pin 54, a torsion spring 55 and a supporting lug plate 6.
Detailed Description
As shown in fig. 1-15, an automatic feeding and withdrawing device of a balance weight lever type gate locking beam comprises an accelerating mechanism 1, a feeding and withdrawing mechanism 2, a swing arm 3 and a following roller 4; the switching mechanism 2 and the swing arm 3 are connected with the accelerating mechanism 1, a lever is formed by taking the accelerating mechanism 1 as a fulcrum, and the following roller 4 is in rolling contact with the swing arm 3 and drives the swing arm 3 to swing; when the swing arm 3 swings, the accelerating mechanism 1 drives the switching mechanism 2 to accelerate and turn over, so that the locking beam 23 of the switching mechanism 2 is shifted to realize switching locking, or the counterweight beam 24 of the switching mechanism 2 resets the locking beam 23 under the dead weight to realize switching locking, and the accelerating mechanism 1 is driven to drive the swing arm 3 to reset. During the use, the gear seat 11 of acceleration mechanism 1 is fixed in on the basic face at gate entrance both ends, follows and rolls 4 fixed and gate side, and swing arm 3 extends and be the slope form to gate entrance upper portion, follows and rolls 4 along with the gate up-and-down motion, and acceleration mechanism 1 cooperates and throws and moves mechanism 2 and throw the locking to the gate automation, and does not influence the closing of gate and opens the door after withdrawing from locking, accomplish locking and withdraw from automatically, need not electric drive equipment, effectively overcome adverse circumstances, be difficult for leading to the system trouble, improve equipment operating efficiency.
In a preferred scheme, the accelerating mechanism 1 comprises a driving gear 12 and a transition gear 13 which are internally meshed with a gear seat 11, and an output gear 14 is meshed with the transition gear 13; the number of teeth of the driving gear 12 and the transition gear 13 is the same, and the number of teeth of the output gear 14 is smaller than the number of teeth of the transition gear 13. When in use, the driving gear 12 drives the transition gear 13 to rotate, the transition gear 13 drives the output gear 14 to rotate, or the output gear 14 drives the transition gear 13 to rotate, and the transition gear 13 drives the driving gear 12 to rotate.
Preferably, the number of teeth of the driving gear 12 and the transition gear 13 is the same, and the number of teeth of the transition gear 13 is a multiple of the output gear 14, so that the rotational speed of the output gear 14 is faster than the rotational speeds of the driving gear 12 and the transition gear 13.
In a preferred scheme, the throwing and withdrawing mechanism 2 comprises a cantilever 22 fixedly connected with two ends of a rotating shaft 21, and a locking beam 23 and a counterweight beam 24 connected with the cantilever 22; the rotation shaft 21 is connected to the output gear 14 of the acceleration mechanism 1. When in use, the output gear 14 rotates to drive the rotating shaft 21 to rotate, and the arm support 22 is driven to turn over when the rotating shaft 21 rotates, so that the locking beam 23 descends and the counterweight beam 24 ascends; or, the arm support 22 is driven to rotate under the self-weight action of the counterweight beam 24, so that the locking beam 23 is lifted and the counterweight beam 24 is lowered.
In a preferred solution, the arm support 22 includes a vertical arm connected with a horizontal arm, one end of the horizontal arm is provided with an inclined arm extending upwards, the rotating shaft 21 passes through the connection part of the horizontal arm and the vertical arm, the shaft head arranged at the end of the vertical arm is matched with the locking beam 23, and the shaft head arranged at the end of the inclined arm is matched with the counterweight beam 24; the length of the horizontal arm is greater than the length of the vertical arm. When the locking device is used, the length of the horizontal arm is larger than that of the vertical arm, the weight beam 24 is arranged on the inclined arm connected with the horizontal arm, and when the weight beam 24 is in a suspended state, the rotation of the rotating shaft 21 is driven by self weight, and the locking beam 23 moves upwards.
Preferably, the horizontal arm and the vertical arm form a lever with the rotation shaft 21 as a fulcrum, and since the length of the added horizontal arm and the inclined arm is much longer than that of the vertical arm, if the masses of the locking beam 23 and the weight beam 24 are equal, the potential energy at one end of the weight beam 24 is relatively large, which is beneficial to driving the acceleration mechanism 1 to rotate.
Preferably, the inclined arm is inclined, so that after the front end of the inclined arm is connected with the counterweight beam 24, the connecting point is close to the upper side surface of the counterweight beam 24, and the lower side surface can be contacted with the gate foundation surface, and the horizontal arm is kept horizontal in the initial stage.
In the preferred scheme, the locking beam 23 and the counterweight beam 24 are hollow beam bodies, the counterweight body 25 is axially arranged in the hollow beam bodies, the cross section of the counterweight body 25 is of a trapezoid structure, and the side of the smaller end cross section of the counterweight body is provided with a shaft hole. When the locking beam 23 and the counterweight beam 24 are used, the counterweight body 25 is arranged in the cavity, the shaft hole is arranged at the lower upper end of the cross section of the counterweight body 25 and is matched with the shaft head on the arm support 22, so that the locking beam 23 and the counterweight beam 24 can freely rotate around the shaft head when in a suspended interference-free state, and the upper side surface of the locking beam 23 and the counterweight beam 24 is always in a horizontal state.
Preferably, the locking beam 23 will interfere only when it exits the locking phase, i.e. the upper side of the locking beam 23 will interfere with the sliding contact of the support lugs 6 during the upward movement of the locking beam 23 with the gate.
Preferably, the two sides of the locking beam 23 are provided with avoiding grooves along the axial direction so as to avoid the guiding slope 31 at the lower end of the frame of the swing arm 3.
In a preferred solution, the swing arm 3 is a hollow frame, both ends of the frame at one side extend outwards to form a guiding slope 31, and the length of the connecting arm 32 at the lower end of the frame at the other side is greater than the length of the guiding slope 31 at the corresponding side; the connecting arm 32 is connected to the drive gear 12 of the acceleration mechanism 1. When in use, the guide slope 31 is used for guiding the roller 42 so that the roller can smoothly enter the upper side surface or the lower side surface of the frame to be in rolling contact with the upper side surface or the lower side surface of the frame; since the length of the connecting arm 32 is much longer than the length of the guide slope 31 on the corresponding side, the roller 42 can pass over the upper side of the swing arm 3 and enter the back side of the swing arm 3 from the lower end thereof without interference, and the locking beam 23 can be lowered close to the gate side without being blocked by the swing arm 3.
In a preferred embodiment, a buffer mechanism 5 is disposed at the lower end of the connecting arm 32; the buffer shaft 51 of the buffer mechanism 5 is axially provided with a key groove 52 and a radial limiting groove 53, the buffer shaft 51 is matched with the gear seat 11 of the acceleration mechanism 1 to be connected with the driving gear 12, the connecting arm 32 is matched with the buffer shaft 51, the limiting pin 54 penetrates through the connecting arm 32 to be matched with the limiting groove 53, and two ends of the torsion spring 55 are respectively connected with the connecting arm 32 and the buffer shaft 51. When the swing arm 3 is used, the swing arm rotates around the buffer shaft 51 in the swing process, the limiting pin 54 slides in the limiting groove 53, the buffer shaft 51 does not rotate in the sliding stage, and the swing arm 3 can continuously swing to drive the buffer shaft 51 to rotate only when the limiting pin 54 slides to one end of the limiting groove 53 and is in contact with the limiting groove 53, and the driving gear 12 is driven to rotate when the buffer shaft 51 rotates.
Preferably, since both ends of the torsion spring 55 are respectively connected with the connecting arm 32 and the buffer shaft 51, the torsion spring 55 generates a torsion force during the sliding movement of the limit pin 54 in the limit groove 53, so that the swing arm 3 can reset the limit pin 54 without being stressed.
Preferably, the locking key in the shaft hole of the driving gear 12 is matched with the key groove 52 on the buffer shaft 51, so that the buffer shaft 51 rotates to drive the driving gear 12 to rotate.
In a preferred scheme, rollers 42 are arranged at two ends of a roller 41 of the following roller 4, and a fixed block 43 close to the rollers 42 is connected with the roller 41; the fixing block 43 is provided with a clamping groove, and the mounting hole laterally penetrates through the clamping groove. When the fixing block is used, the clamping grooves of the fixing blocks 43 are clamped with the edges of the two sides of the gate, the fasteners penetrate through the mounting holes to be connected and fixed with the gate, the rolling shafts 41 penetrate through the supporting lug plates 6 on the side surfaces of the gate, and the rolling wheels 42 are located on the outer sides of the surface of the gate.
In a preferred scheme, the swing arm 3 is inclined, and the roller 42 of the following roller 4 is in rolling contact with the upper side or the lower side of the frame of the swing arm 3. When the swing arm 3 is used, the swing arm is obliquely positioned at the upper part of a gate notch after being installed, and is not contacted with panels at two sides of the gate in the lifting process of the gate, and is only in rolling contact with the roller 42 of the following roller 4.
Preferably, when the swing arm 3 is installed, the inclination of the swing arm 3 is adjusted by rotating the driving gear 12, after the inclination of the swing arm 3 reaches a set angle, the middle section of the limit pin 54 positioned in the limit groove 53 is not contacted with two ends of the limit groove 53, and only when the swing arm 3 swings and deflects, the middle section is contacted with two ends of the limit groove 53, so that the buffer of the swing arm 3 when the roller 42 descends is reduced, or the upper end of the swing arm 3 can be smoothly crossed when the roller 42 ascends.
In a preferred scheme, the automatic switching method of the automatic switching device of the counterweight lever type gate locking beam comprises the following steps:
s1, mounting, namely fixing gear seats 11 on the basic surfaces at two ends of a gate opening, extending swing arms 3 to the upper part of the gate opening and inclining, and fixing blocks 43 of following rollers 4 on two sides of the gate close to supporting lug plates 6; in the step, the gate is in a state to be put into, the roller 42 is positioned at the upper part of the swing arm 3 and is not contacted with the swing arm, the counterweight beam 24 is supported by the gate base surface, the locking beam 23 is in a suspended state and is far away from the edge of the gate, and the length of the locking beam 23 is larger than the width of a gate opening;
s2, starting to throw in, enabling the gate to move downwards, enabling the idler wheel 42 to slowly approach the guide slope 31 at the upper end of the swing arm 3 and be in rolling contact with the guide slope 31, enabling the swing arm 3 to rotate around the buffer shaft 51 by an angle under the torsion action of the torsion spring 55 of the buffer mechanism 5 when the idler wheel 42 rolls over the guide slope 31, and enabling the buffer shaft 51 not to rotate; in this step, the roller 42 is in buffer contact with the guide slope 31 at the upper end of the swing arm 3, and the driving gear 12 does not rotate;
s3, before the lock is put into, the gate continues to descend, when the roller 42 passes through the guide slope 31 at the upper end of the swing arm 3 and enters the upper side surface of the swing arm 3 to roll, the limiting pin 54 is abutted against one end of the limiting groove 53 to limit the swing arm 3, the swing arm 3 drives the driving gear 12 to drive the transition gear 13 to rotate under the rolling of the roller 42, the transition gear 13 drives the output gear 14 to accelerate to rotate, the output gear 14 drives the rotating shaft 21 and the arm support 22 to rotate, the counterweight beam 24 moves upwards rapidly to separate from the gate base surface when the arm support 22 rotates, and the locking beam 23 descends gradually and approaches the gate side surface slowly;
s4, putting into locking, continuing to descend the gate, and when the locking beam 23 descends along with the locking beam and approaches the side surface of the gate, pressing the upper side surface of the locking beam 23 by the supporting lug plate 6 to enable the upper side surface of the locking beam to move downwards, and finally enabling two ends of the locking lug plate to contact with the basic surface of the gate, so that the gate is limited to descend and stop at a locking position; in this step, the roller 42 passes over the lower end of the swing arm 3 side;
s5, the lock is withdrawn, the gate moves upwards, under the action of gravity of the counterweight beam 24, the arm support 22 drives the rotating shaft 21 and the output gear 14 to rotate, the output gear 14 drives the transition gear 13 and the driving gear 12 to rotate, and the driving gear 12 drives the swing arm 3 to reset; in the step, the locking beam 23 is in sliding contact with the supporting lug plate 6 in the upward movement process of the gate until the weight beam 24 is in contact with the gate base surface, the locking beam 23 is separated from the supporting lug plate 6, and the roller 42 is positioned on the back side of the swing arm 3;
s6, closing the gate, and after the gate is withdrawn from the lock, moving the gate downwards until the gate falls into the gate slot;
s7, when the door is opened and the door is withdrawn from the lock or closed, in the upward movement process of the gate, the roller 42 is gradually in rolling contact with the back side of the swing arm 3, when the roller 42 passes through the upper end of the back side of the swing arm 3, the swing arm 3 rotates around the buffer shaft 51 by an angle, and the buffer shaft 51 does not rotate, so that the roller 42 ascends to the upper part of the swing arm 3 beyond the swing arm 3 and waits for the next throwing and retreating.
The method realizes automatic input locking and automatic exit locking by utilizing the gate opening and closing lifting process, does not influence the closing and opening of the gate, does not need to increase electric driving equipment, reduces system faults of the equipment, can switch among input locking, exit locking, closing and opening of the gate, and improves the efficiency and the safety performance.
The foregoing embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without collision. The protection scope of the present invention is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (9)
1. An automatic throwing and withdrawing device of a balance weight lever type gate locking beam is characterized in that: the device comprises an acceleration mechanism (1), a throwing and retreating mechanism (2), a swing arm (3) and a following roller (4); the switching mechanism (2) and the swing arm (3) are connected with the accelerating mechanism (1) and form a lever by taking the accelerating mechanism (1) as a fulcrum, and the following roller (4) is in rolling contact with the swing arm (3) and drives the swing arm (3) to swing; the swing arm (3) drives the accelerating mechanism (1) to drive the throwing and retreating mechanism (2) to accelerate and overturn when swinging, so that the locking beam (23) of the throwing and retreating mechanism (2) is transposed to realize throwing and locking, or the counterweight beam (24) of the throwing and retreating mechanism (2) resets the locking beam (23) under the dead weight to realize retreating and locking, and the accelerating mechanism (1) is driven to drive the swing arm (3) to reset;
the locking beam (23) and the counterweight beam (24) are hollow beam bodies, the counterweight body (25) is axially arranged in the hollow beam bodies, the cross section of the counterweight body (25) is of a trapezoid structure, and the shaft hole is formed in one side of the smaller end cross section of the counterweight body.
2. The automatic throw-back device of a counterweight lever type gate lock beam as set forth in claim 1, wherein: the accelerating mechanism (1) comprises a driving gear (12) and a transition gear (13) which are internally meshed with the gear seat (11), and an output gear (14) is meshed with the transition gear (13); the number of teeth of the driving gear (12) is the same as the number of teeth of the transition gear (13), and the number of teeth of the output gear (14) is smaller than the number of teeth of the transition gear (13).
3. The automatic throw-back device of a counterweight lever type gate lock beam as set forth in claim 1, wherein: the throwing and withdrawing mechanism (2) comprises a cantilever crane (22) fixedly connected with two ends of the rotating shaft (21), and a locking beam (23) and a counterweight beam (24) which are connected with the cantilever crane (22); the rotating shaft (21) is connected with an output gear (14) of the accelerating mechanism (1).
4. The automatic throw-back device for a counterweight lever type gate lock beam as recited in claim 3, wherein: the arm support (22) comprises a vertical arm connected with a horizontal arm, an inclined arm extending upwards is arranged at one end of the horizontal arm, a rotating shaft (21) penetrates through the joint of the horizontal arm and the vertical arm, a shaft head arranged at the end of the vertical arm is matched with the locking beam (23), and a shaft head arranged at the end of the inclined arm is matched with the counterweight beam (24); the length of the horizontal arm is greater than the length of the vertical arm.
5. The automatic throw-back device of a counterweight lever type gate lock beam as set forth in claim 1, wherein: the swing arm (3) is a hollow frame, both ends of the frame at one side extend outwards and form a guide slope (31), and the length of a connecting arm (32) arranged at the lower end of the frame at the other side is longer than that of the guide slope (31) at the corresponding side; the connecting arm (32) is connected with a driving gear (12) of the acceleration mechanism (1).
6. The automatic throw-back device of a counterweight lever type gate lock beam as set forth in claim 5, wherein: the lower end of the connecting arm (32) is provided with a buffer mechanism (5); a key groove (52) and a radial limiting groove (53) are axially formed in a buffer shaft (51) of the buffer mechanism (5), the buffer shaft (51) is matched with a gear seat (11) of the acceleration mechanism (1) to be connected with a driving gear (12), a connecting arm (32) is matched with the buffer shaft (51), a limiting pin (54) penetrates through the connecting arm (32) to be matched with the limiting groove (53), and two ends of a torsion spring (55) are respectively connected with the connecting arm (32) and the buffer shaft (51).
7. The automatic throw-back device of a counterweight lever type gate lock beam as set forth in claim 1, wherein: the two ends of the rolling shaft (41) of the following roller (4) are provided with rollers (42), and a fixed block (43) close to the rollers (42) is connected with the rolling shaft (41); the fixing block (43) is provided with a clamping groove, and the mounting hole laterally penetrates through the clamping groove.
8. The automatic throw-back device of a counterweight lever type gate lock beam as set forth in claim 1, wherein: the swing arm (3) is inclined, and the roller (42) of the following roller (4) is in rolling contact with the upper side or the lower side of the frame of the swing arm (3).
9. The automatic switching method of the automatic switching device for the counterweight lever type gate locking beam according to any one of claims 1 to 8, characterized by comprising the steps of:
s1, mounting, namely fixing gear seats (11) on the basic surfaces at two ends of a gate opening, extending swing arms (3) to the upper part of the gate opening and inclining, and fixing blocks (43) of following rollers (4) on two sides of the gate close to supporting lug plates (6); in the step, the gate is in a state to be put into, the roller (42) is positioned at the upper part of the swing arm (3) and is not contacted with the swing arm, the counterweight beam (24) is supported by the gate base surface, the locking beam (23) is in a suspended state and is far away from the edge of the gate, and the length of the locking beam (23) is larger than the width of a gate opening;
s2, starting to throw in, enabling the gate to move downwards, enabling the roller (42) to slowly approach the guide slope (31) at the upper end of the swing arm (3) and roll in contact with the guide slope, enabling the swing arm (3) to rotate around the buffer shaft (51) for an angle under the torsion action of the torsion spring (55) of the buffer mechanism (5) when the roller (42) rolls over the guide slope (31) and enabling the buffer shaft (51) not to rotate; in the step, the roller (42) forms buffer contact with the guide slope (31) at the upper end of the swing arm (3), and the driving gear (12) does not rotate;
s3, before the lock is put into, the gate continues to descend, the idler wheel (42) passes through a guide slope (31) at the upper end of the swing arm (3) and enters the upper side surface of the swing arm (3) to roll, the swing arm (3) is limited by abutting one end of the limiting pin (54) and one end of the limiting groove (53), the swing arm (3) drives the driving gear (12) to drive the transition gear (13) to rotate under the rolling of the idler wheel (42), the transition gear (13) drives the output gear (14) to accelerate to rotate, the output gear (14) drives the rotating shaft (21) and the arm support (22) to rotate, the weight beam (24) moves upwards rapidly to separate from the base surface of the gate when the arm support (22) rotates, and the locking beam (23) descends gradually and slowly approaches the side surface of the gate;
s4, putting into locking, continuing to descend the gate, and when the locking beam (23) descends along with and approaches the side surface of the gate, pressing the upper side surface of the locking beam (23) by the supporting lug plate (6) to enable the upper side surface to move downwards, and finally enabling the two ends of the locking beam to contact with the gate foundation surface, so that the gate is limited to descend and stop at the locking position; in this step, the roller (42) passes over the lower end of one side of the swing arm (3);
s5, the lock is withdrawn, the gate moves upwards, under the action of gravity of the counterweight beam (24), the arm support (22) drives the rotating shaft (21) and the output gear (14) to rotate, the output gear (14) drives the transition gear (13) and the driving gear (12) to rotate, and the driving gear (12) drives the swing arm (3) to reset; in the step, the locking beam (23) is in sliding contact with the supporting lug plate (6) in the upward movement process of the gate until the weight-balancing beam (24) is in contact with the gate base surface, the locking beam (23) is separated from the supporting lug plate (6), and the roller (42) is positioned on the back side of the swing arm (3);
s6, closing the gate, and after the gate is withdrawn from the lock, moving the gate downwards until the gate falls into the gate slot;
s7, opening the door, after the door is withdrawn and locked or after the door is closed, in the upward movement process of the gate, the roller (42) is gradually in rolling contact with the back side of the swing arm (3), when the roller (42) passes through the upper end of the back side of the swing arm (3), the swing arm (3) rotates around the buffer shaft (51) by an angle, the buffer shaft (51) does not rotate, and therefore the roller (42) ascends to the upper part of the swing arm (3) beyond the swing arm (3) and waits for the next throwing and retreating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211151394.1A CN115305881B (en) | 2022-09-21 | 2022-09-21 | Automatic switching device and method for counterweight lever type gate locking beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211151394.1A CN115305881B (en) | 2022-09-21 | 2022-09-21 | Automatic switching device and method for counterweight lever type gate locking beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115305881A CN115305881A (en) | 2022-11-08 |
| CN115305881B true CN115305881B (en) | 2023-07-14 |
Family
ID=83867222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211151394.1A Active CN115305881B (en) | 2022-09-21 | 2022-09-21 | Automatic switching device and method for counterweight lever type gate locking beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115305881B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB568147A (en) * | 1943-03-03 | 1945-03-21 | Arthur James Stock | Improvements in apparatus for automatically weighing predetermined quantities of material |
| DE8612218U1 (en) * | 1986-05-03 | 1986-07-03 | Heinrich Brockmann -Schlosserei, Maschinen- und Rohrleitungsbau-, 48249 Dülmen | Lifting device for lowering and lifting components in open waters |
| EP2280121A3 (en) * | 2000-08-21 | 2011-04-27 | Rubicon Research, Pty.Ltd. | Control gate |
| CN105401560B (en) * | 2015-12-07 | 2017-05-03 | 国家电网公司 | Auto-exit gate locking device and gate control system |
| CN112411482B (en) * | 2020-12-22 | 2022-02-08 | 中国长江电力股份有限公司 | Hydropower station gate lock fixed beam coupling type automatic throwing and withdrawing device |
| CN216405320U (en) * | 2021-10-19 | 2022-04-29 | 黄河明珠水利水电建设有限公司 | Special bearing cover plate suitable for water conservancy facility gate way drill way |
-
2022
- 2022-09-21 CN CN202211151394.1A patent/CN115305881B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115305881A (en) | 2022-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107256035B (en) | Electric pinning device for wind resistance of single-shaft photovoltaic tracking support and control method thereof | |
| CN112411482B (en) | Hydropower station gate lock fixed beam coupling type automatic throwing and withdrawing device | |
| CN115305881B (en) | Automatic switching device and method for counterweight lever type gate locking beam | |
| CN209973636U (en) | Shaft part feeding device | |
| CN216774243U (en) | Bird repeller electrified automatic installation device | |
| CN115467297B (en) | Automatic swing type locking beam switching device and method | |
| CN217749844U (en) | Air draft dust removal device of laser cutting machine and laser cutting machine | |
| CN201010411Y (en) | Synchronous door vane of elevator deflecting door operator | |
| CN214219585U (en) | Hydropower station gate lock fixed beam coupling type automatic throwing and withdrawing device | |
| CN217199935U (en) | Double-open bottom door type bucket | |
| CN214733682U (en) | Car elevator door vane mechanism | |
| CN113198753A (en) | Anti-blocking cement block removing device for building engineering template post-treatment | |
| CN217838014U (en) | Screw rod driving type automatic tank curtain door | |
| CN111755957A (en) | Snow sweeping device of outdoor power distribution cabinet | |
| CN114055390B (en) | Automatic electrified installation device and method for bird repeller | |
| CN215804270U (en) | Safe type quick rolling slats door | |
| CN212641383U (en) | Gate for hydraulic engineering | |
| CN219195867U (en) | Bottom shaft gate support locking mechanism | |
| CN220667305U (en) | Push rod driving type hangar door | |
| CN215979134U (en) | Anticollision of stereoplasm quick door resumes mechanism | |
| CN220225169U (en) | Water-stopping rubber anti-tearing gate | |
| CN220284748U (en) | Lifting type water conservancy gate for hydraulic engineering | |
| CN214591276U (en) | Solar cell panel frame assembly with shock resistance function | |
| CN116056396B (en) | Wind-solar-diesel power generation multisource coupling complementary control unit | |
| CN211007610U (en) | Wall-attached support for preventing falling of attached lifting scaffold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |