CN113387263B - Traction elevator with swimming bladder type counterweight balance system - Google Patents
Traction elevator with swimming bladder type counterweight balance system Download PDFInfo
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- CN113387263B CN113387263B CN202110721826.7A CN202110721826A CN113387263B CN 113387263 B CN113387263 B CN 113387263B CN 202110721826 A CN202110721826 A CN 202110721826A CN 113387263 B CN113387263 B CN 113387263B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/284—Buffer-stops for cars, cages, or skips mounted on cars or counterweights
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a traction elevator with a swim bladder type counterweight balance system, which belongs to the field of traction elevators, and comprises a traction elevator body, wherein an elevator car and a counterweight balance system matched with the elevator car are arranged on the traction elevator body, the adaptability of the counterweight balance system is effectively improved through the mutual matching of a swim bladder type linkage column, a one-way air injection buffer bag, a guide sliding sleeve and a flexible counterweight column when the counterweight balance system adjusts the dynamic balance, the adjustment precision of the counterweight balance system is increased, the mechanical abrasion of the counterweight balance system is reduced, the balance in the operation process of the elevator car is improved, and the double adjustment and protection effects are effectively played through the independent adjustment of a counterweight balance mechanism and a balance auxiliary lock chain, so that the service lives of the elevator car and the counterweight balance mechanism are prolonged, the generation of braking obstacles in the operation process of the elevator car is reduced, and the operation safety of the elevator car is improved.
Description
Technical Field
The invention relates to the field of traction elevators, in particular to a traction elevator with a swim bladder type counterweight balance system.
Background
A traction elevator is an elevator driven by a traction system. The two ends of the traction rope are respectively connected with the lift car and the counterweight and wound on the traction sheave and the guide pulley, the traction motor drives the traction sheave to rotate after speed change through the speed reducer, and the lift car and the counterweight move up and down by virtue of traction force generated by friction between the traction rope and the traction sheave, so as to achieve the purpose of transportation.
The counterweight balance system has the function of enabling the counterweight and the lift car to achieve relative balance, and even if the load of the lift car is changed continuously during the operation of the elevator, the weight difference between the counterweight and the lift car can be kept within a small limit, so that the stable and normal traction and transmission of the elevator are ensured. The counterweight balancing system generally consists of two parts, a counterweight and a weight compensation device.
At present, after the traction elevator is installed, the ranges of a counterweight device and a weight compensation device in a counterweight balance system are determined, and the traction elevator is used in the elevator bearing within a set range, but because the bearing weight in an elevator car is continuously changed, in the process of ascending and descending, the counterweight balance system cannot effectively make applicability adjustment, so that the mechanical loss of the counterweight balance system is increased, the running balance of the elevator is reduced, the elevator is easy to cause braking obstacle, and the safety is reduced.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a traction elevator with a swim bladder type counterweight balance system, which can effectively increase the applicability of the counterweight balance system when the counterweight balance system adjusts dynamic balance through the mutual matching of a swim bladder type linkage column, a one-way air injection buffer bag, a guide sliding sleeve and a flexible counterweight column, increase the adjustment precision of the counterweight balance system, reduce the mechanical wear of the counterweight balance system, improve the balance in the operation process of an elevator car, effectively play a role in double adjustment protection through the independent adjustment of a counterweight balance mechanism and a balance auxiliary chain, improve the service lives of the elevator car and the counterweight balance mechanism, further reduce the generation of brake obstacles in the operation process of the elevator car and improve the operation safety of the elevator car.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a traction elevator with swim bladder formula is to counter balance system, includes traction elevator body, install elevator car on the traction elevator body and with elevator car matched with to counter balance system, to counter balance system including counter balance mechanism and balanced supplementary chain, counter balance mechanism is including to the counterweight frame, sliding connection has to the counterweight frame on the traction elevator body, install a pair of swim bladder formula linkage post in the counterweight frame, swim bladder formula linkage post lower extreme fixedly connected with one-way jet-propelled buffer bag;
counterweight balance mechanism lower extreme fixedly connected with a pair of balanced supplementary chain corresponding with swim bladder formula linkage post, and the balanced supplementary chain other end and elevator car fixed connection, balanced supplementary chain outer end fixedly connected with guide sliding sleeve, guide sliding sleeve outer end sliding connection has a plurality of flexible counter weight posts, swim bladder formula linkage post lower extreme fixedly connected with is a pair of depending on the formula and pulls the brace, depend on the formula and pull the brace other end and extend to the counterweight frame outside to with a plurality of flexible counter weight post fixed connection. Through swimming bladder formula linkage post, one-way jet-propelled buffer bag, guide sliding sleeve and flexible counter weight post mutually support, effectively when adjusting dynamic balance to counter weight balance system, increase its suitability, increase counter weight balance system's regulation precision, reduce counter weight balance system's mechanical wear, improve the equilibrium of elevator car operation in-process, and through the independent control to counter weight balance mechanism and balanced supplementary chain, effectively play the effect of dual regulation protection, improve elevator car and counter weight balance mechanism's life, and then reduce the production of elevator car operation process braking obstacle, improve the security of elevator car operation.
Furthermore, a plurality of arc-shaped stabilizing sleeves which are uniformly distributed are fixedly connected to the attached type traction supporting strip, a ball head traction rod is fixedly connected to one end, close to the guide sliding sleeve, of each arc-shaped stabilizing sleeve, and the ball head traction rod is connected with the guide sliding sleeve in a sliding mode. The arc-shaped stabilizing sleeve and the ball head traction rod guide the attached traction support strip in the direction, so that the moving precision of the flexible counterweight column on the guide sliding sleeve is increased, the generation of moving shearing force is reduced, and the adjusting speed of a counterweight balance system and the service life of the flexible counterweight column are effectively improved.
Furthermore, hemisphere guide indentations are formed in the front end and the rear end of the arc-shaped stabilizing sleeve in a pressure-equalizing mode and matched with the ball head traction rod. Hemisphere guide indentation effectively increases the dependence between guide sliding sleeve and the bulb traction lever, when the guide sliding sleeve produces the bending for flexible counterweight post can remove along the bending line, effectively avoids appearing the condition that the card went on, improves flexible counterweight post's practicality.
Furthermore, the inner end of the flexible counterweight column is fixedly connected with an annular magnetic block, the guide sliding sleeve is filled with magnetic particles, and the magnetic particles are matched with the annular magnetic block. Through mutually supporting of annular magnetic path and magnetic particle, when flexible counter weight post produced the weight direction of moving the supplementary chain of regulation balance, the annular magnetic path can drive magnetic particle and together remove, and then changes the focus of guide sliding sleeve, and supplementary balanced supplementary chain carries out weight balance's regulation, further improves the regulation effect.
Furthermore, magnetorheological fluid is filled in the attached traction support strip, and one end of the attached traction support strip, which is close to the swim bladder type linkage column, is electrically connected with the traction elevator body through a lead. Through the electric current of different size to magnetorheological suspensions access, and then change its state, be convenient for adjust and depend on the nature of formula traction brace, when satisfying its support intensity, improve its suitability, be convenient for it to produce the removal along the guide sliding sleeve.
Furthermore, the outer ends of the swim bladder type linkage columns are fixedly provided with bidirectional fans matched with the swim bladder type linkage columns, and the input ends of the bidirectional fans extend to the outer sides of the counterweight frame. The bidirectional fan is matched with the swim bladder type linkage column, the flow of gas in the swim bladder type linkage column can be changed, the swim bladder type linkage column is assisted to change the shape and position, swim bladder type respiration adjustment is further formed, the descending speed of the counterweight balance mechanism is changed, the gravity center position of the balance auxiliary chain is changed, the adjustment accuracy of a counterweight balance system is effectively improved, mechanical abrasion is reduced, safety is improved, overweight feeling and weightlessness feeling generated by the moving type of the elevator car are reduced, and user experience degree is improved.
Furthermore, one-way air pipes are fixedly connected to the upper end of the one-way air injection buffer bag, the upper end of each one-way air pipe is communicated with the swim bladder type linkage column, a pair of pressurizing air injection pipes are fixedly connected to the lower end of the one-way air injection buffer bag, and the lower ends of the pressurizing air injection pipes extend to the outer side of the counterweight frame. The air bladder formula linkage post that one-way tracheal connection made can effectively let in gas to one-way jet-propelled buffering bag in, effectively guarantee the sufficient of tolerance in the one-way jet-propelled buffering bag, and improve one-way jet-propelled buffering bag gas injection rate, and increase airflow pressure through the jet-propelled pipe that pressurizes, and then effectively play the buffering effect to counterweight balance mechanism, when counterweight balance mechanism receives the influence of elevator car and gravity to produce the acceleration, reduce counterweight balance mechanism's removal speed, reduce the production of friction heat, reduce the emergence of mechanical accident, effectively avoid appearing the slippage phenomenon to counterweight balance mechanism.
Furthermore, swimming bladder breathing cavities matched with the swimming bladder type linkage columns are formed in the left end and the right end of the counterweight frame, the upper inner wall of each swimming bladder breathing cavity is fixedly connected with the corresponding swimming bladder type linkage column, and the lower inner wall of each swimming bladder breathing cavity is fixedly connected with the corresponding one-way air injection buffer bag. The swim bladder breathing cavity limits the positions and the moving direction of the swim bladder type linkage column and the one-way air injection buffer bag, effectively improves the moving stability of the swim bladder type linkage column and the one-way air injection buffer bag, reduces the loss of the swim bladder type linkage column and the one-way air injection buffer bag and reduces the maintenance cost of the traction elevator.
Further, a swim bladder displacement guide rod is fixedly connected in the swim bladder breathing cavity, and the swim bladder type linkage column and the one-way air injection buffer bag are sleeved outside the swim bladder displacement guide rod. The swimming bladder displacement guide rod is used for drawing the deformation directions of the swimming bladder type linkage column and the one-way air injection buffer bag, so that the function of a breathing skeleton is achieved, the swimming bladder type linkage column and the one-way air injection buffer bag can effectively simulate the breathing of the swimming bladder, and a balance weight system is adjusted.
Further, the dynamic balance adjusting method of the counterweight balance system comprises the following steps:
s1, when an elevator car moves upwards, a counterweight balance mechanism moves downwards, and a balance auxiliary chain is pulled by the elevator car to be close to the elevator car;
s2, at the moment, air suction of the swim bladder type linkage column is performed to generate deformation, the attached traction support strip is driven to enable the flexible counterweight column to move towards the elevator car along the guide sliding sleeve, the counterweight of the elevator car is increased, the upward moving acceleration of the elevator car is balanced, the swim bladder type linkage column extrudes the one-way air injection buffer bag, the one-way air injection buffer bag injects air to the lower end, and the descending speed of the counterweight balance mechanism is buffered;
s3, the auxiliary counterweight balance system completes dynamic balance adjustment when the elevator car moves upwards;
s4, when the elevator car moves downwards, the counterweight balance mechanism moves upwards, and the balance auxiliary chain is pulled by the counterweight balance mechanism to be close to the counterweight balance mechanism;
s5, exhausting air of the swim bladder type linkage column to contract, driving the attached traction support strip to enable the flexible balance weight column to move towards and away from the elevator car along the guide sliding sleeve, reducing the balance weight of the elevator car, balancing the downward moving acceleration of the elevator car and the upward acceleration of the balance weight balancing mechanism, stretching the unidirectional air injection buffer bag by the swim bladder type linkage column, ventilating the interior of the unidirectional air injection buffer bag, and increasing the air volume in the unidirectional air injection buffer bag for later use;
and S6, the auxiliary counterweight balance system completes dynamic balance adjustment when the elevator car moves downwards. Increase its weight when elevator car shifts up, reduce the weightlessness that instantaneous acceleration produced and feel, improve user's comfort level, one-way jet-propelled buffering bag sprays paint downwards, reduce the moving speed to the counterbalance mechanism, improve the equilibrium that elevator car moved, effectively avoid appearing the phenomenon that system trouble elevator car dashes the top, when elevator car shifts down, alleviate its weight, reduce the overweight pole that instantaneous acceleration produced, improve user's comfort level, increase the weight to the counterbalance mechanism, improve the sense of pulling to elevator car to the counterbalance mechanism, effectively avoid appearing braking trouble elevator car low phenomenon of squatting, under the dual protection of flexible counterweight post and one-way jet-propelled buffering bag, improve the security of towing elevator operation.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) This scheme is through swimming bladder formula linkage post, one-way jet-propelled buffering bag, mutually supporting of guide sliding sleeve and flexible counter weight post, effectively when adjusting dynamic balance to counter weight balance system, increase its suitability, increase counter weight balance system's regulation precision, reduce counter weight balance system's mechanical wear, improve the equilibrium of elevator car operation in-process, and through the independent control to counter weight balance mechanism and balanced supplementary chain, effectively play the effect of dual regulation protection, improve elevator car and counter weight balance mechanism's life, and then reduce the production of elevator car operation process braking obstacle, the security of elevator car operation improves.
(2) The arc-shaped stabilizing sleeve and the ball head traction rod guide the attached traction support bar in the direction, so that the moving precision of the flexible counterweight column on the guide sliding sleeve is increased, the generation of moving shearing force is reduced, and the adjusting speed of a counterweight balance system and the service life of the flexible counterweight column are effectively improved.
(3) Hemisphere guide indentation effectively increases the dependence between guide sliding sleeve and the bulb traction lever, when the guide sliding sleeve produces the bending for flexible counter weight post can remove along the bending line, effectively avoids appearing the condition that the card pauses, improves the practicality of flexible counter weight post.
(4) Through the mutual cooperation of annular magnetic path and magnetic particle, when flexible counter weight post produced the weight direction of the balanced supplementary chain of removal regulation, annular magnetic path can drive magnetic particle and remove together, and then changes the focus of guide sliding sleeve, and the supplementary chain of supplementary balance carries out the regulation of weight balance, further improves the regulation effect.
(5) Through the electric current of different size to magnetorheological suspensions access, and then change its state, be convenient for adjust and depend on the nature of formula traction brace, when satisfying its support intensity, improve its suitability, be convenient for it to produce the removal along the guide sliding sleeve.
(6) The bidirectional fan is matched with the swim bladder type linkage column, the flow of gas in the swim bladder type linkage column can be changed, the swim bladder type linkage column is assisted to change the shape and position, swim bladder type respiration adjustment is further formed, the descending speed of the counterweight balance mechanism is changed, the gravity center position of the balance auxiliary chain is changed, the adjustment accuracy of a counterweight balance system is effectively improved, mechanical abrasion is reduced, safety is improved, overweight feeling and weightlessness feeling generated by the moving type of the elevator car are reduced, and user experience degree is improved.
(7) The swimming bladder formula linkage post that one-way tracheal connection made can effectively let in gas in to one-way jet-propelled buffering bag, effectively guarantee the sufficiency of the interior tolerance of one-way jet-propelled buffering bag, and then improve one-way jet-propelled buffering bag gas injection rate, and increase airflow pressure through the pressurization jet-propelled pipe, and then effectively play the buffering effect to heavy balance mechanism, when producing the acceleration to heavy balance mechanism by the influence of elevator car and gravity, reduce the removal speed to heavy balance mechanism, reduce the production of frictional heat, reduce the emergence of mechanical accident, effectively avoid appearing the slippage phenomenon to heavy balance mechanism.
(8) The swimming bladder breathing cavity limits the positions and the moving directions of the swimming bladder type linkage column and the one-way air injection buffer bag, effectively improves the moving stability of the swimming bladder type linkage column and the one-way air injection buffer bag, reduces the loss of the swimming bladder type linkage column and the one-way air injection buffer bag, and reduces the maintenance cost of the traction elevator.
(9) The swimming bladder displacement guide rod is used for drawing the deformation directions of the swimming bladder type linkage column and the one-way air injection buffer bag, so that the function of a breathing skeleton is achieved, the swimming bladder type linkage column and the one-way air injection buffer bag can effectively simulate the breathing of the swimming bladder, and a balance weight system is adjusted.
(10) Increase its weight when elevator car shifts up, reduce the weightlessness that instantaneous acceleration produced and feel, improve user's comfort level, one-way jet-propelled buffering bag sprays paint downwards, reduce the moving speed to the counterbalance mechanism, improve the equilibrium that elevator car moved, effectively avoid appearing the phenomenon that system trouble elevator car dashes the top, when elevator car shifts down, alleviate its weight, reduce the overweight pole that instantaneous acceleration produced, improve user's comfort level, increase the weight to the counterbalance mechanism, improve the sense of pulling to elevator car to the counterbalance mechanism, effectively avoid appearing braking trouble elevator car low phenomenon of squatting, under the dual protection of flexible counterweight post and one-way jet-propelled buffering bag, improve the security of towing elevator operation.
Drawings
FIG. 1 is a schematic view of an axial structure of the present invention;
FIG. 2 is a schematic diagram of an axial measurement structure of the counterweight balance system according to the present invention;
fig. 3 is a schematic diagram of an explosive structure of the counterweight balance system of the present invention;
FIG. 4 is a schematic diagram of an exploded structure of the balance assist chain of the present invention;
FIG. 5 is a schematic view of the structure of the balance auxiliary chain and the swim bladder type linkage column;
FIG. 6 is a schematic diagram of the structure at A in FIG. 5 according to the present invention;
FIG. 7 is a partial sectional structural view of the guide sleeve of the present invention;
FIG. 8 is a schematic view of the structure of the swimming bladder type linkage column in axial view;
fig. 9 is a schematic view of the elevator car of the present invention in a front view when it is raised;
fig. 10 is a schematic front view showing a structure of an elevator car of the present invention when it descends;
fig. 11 is a schematic flow structure diagram of a dynamic balance adjustment method for a counterweight balance system according to the present invention.
The reference numbers in the figures illustrate:
the elevator comprises a traction elevator body 1, an elevator car 2, a counterweight balance system 3, a counterweight balance mechanism 4, a counterweight frame 401, a swimming bladder breathing cavity 402, a swimming bladder displacement guide rod 403, a balance auxiliary chain 5, a swimming bladder type linkage column 6, a bidirectional fan 601, a unidirectional air injection buffer bag 7, a pressurization air injection pipe 701, a guide sliding sleeve 8, magnetic particles 801, a flexible counterweight column 9, a 901 attached traction branch bar, a 10 arc-shaped stabilizing sleeve and a ball head traction rod 1001.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-11, a traction elevator with a swim bladder type counterweight balance system comprises a traction elevator body 1, an elevator car 2 and a counterweight balance system 3 matched with the elevator car 2 are mounted on the traction elevator body 1, the counterweight balance system 3 comprises a counterweight balance mechanism 4 and a balance auxiliary chain 5, the counterweight balance mechanism 4 comprises a counterweight frame 401, the traction elevator body 1 is slidably connected with the counterweight frame 401, a pair of swim bladder type linkage columns 6 are mounted in the counterweight frame 401, and the lower ends of the swim bladder type linkage columns 6 are fixedly connected with a one-way air injection buffer bag 7; referring to fig. 2-4, a pair of balance auxiliary chain links 5 corresponding to the swim bladder type linkage columns 6 is fixedly connected to the lower end of the counterweight balance mechanism 4, the other end of the balance auxiliary chain links 5 is fixedly connected to the elevator car 2, a guide sliding sleeve 8 is fixedly connected to the outer end of the balance auxiliary chain links 5, a plurality of flexible counterweight columns 9 are slidably connected to the outer end of the guide sliding sleeve 8, a pair of attached traction braces 901 is fixedly connected to the lower end of the swim bladder type linkage columns 6, and the other end of the attached traction braces 901 extends to the outer side of the counterweight frame 401 and is fixedly connected to the flexible counterweight columns 9. Through swimming bladder formula linkage post 6, one-way jet-propelled buffering bag 7, mutually supporting of guide sliding sleeve 8 and flexible counter weight post 9, effectively when adjusting dynamic balance to counter weight balance system 3, increase its suitability, increase counter weight balance system 3's regulation precision, reduce counter weight balance system 3's mechanical wear, improve the equilibrium of elevator car 2 operation in-process, and through the independent control to counter weight balance mechanism 4 and balanced supplementary chain 5, effectively play the effect of dual regulation protection, improve elevator car 2 and counter weight balance mechanism 4's life, and then reduce the production of elevator car 2 operation process braking obstacle, improve the security of elevator car 2 operation.
Referring to fig. 5 and 6, a plurality of evenly distributed arc-shaped stabilizing sleeves 10 are fixedly connected to the attached type traction brace 901, a ball head traction rod 1001 is fixedly connected to one end of each arc-shaped stabilizing sleeve 10 close to the guide sliding sleeve 8, and the ball head traction rod 1001 is slidably connected with the guide sliding sleeve 8. The arc-shaped stabilizing sleeve 10 and the ball head traction rod 1001 guide the direction of the attached traction supporting strip 901, so that the moving precision of the flexible counterweight column 9 on the guide sliding sleeve 8 is improved, the generation of moving shearing force is reduced, and the adjusting speed of the counterweight balance system 3 and the service life of the flexible counterweight column 9 are effectively improved. Referring to fig. 4, hemispherical guide indentations are formed at the front end and the rear end of the arc-shaped stabilizing sleeve 10 in a pressure-equalizing manner, and the hemispherical guide indentations are matched with the ball-head traction rod 1001. Hemisphere guide indentation effectively increases the dependence between guide sliding sleeve 8 and the bulb traction lever 1001, when guide sliding sleeve 8 produces the bending for flexible counter weight post 9 can remove along the bending line, effectively avoids appearing the condition of card dun, improves flexible counter weight post 9's practicality.
Referring to fig. 7, an annular magnetic block is fixedly connected to an inner end of the flexible counterweight column 9, magnetic particles 801 are filled in the guide sliding sleeve 8, and the magnetic particles 801 are matched with the annular magnetic block. Through the mutual cooperation of annular magnetic path and magnetic particle 801, when flexible counter weight post 9 produced the weight direction of moving adjustment balance auxiliary chain 5, annular magnetic path can drive magnetic particle 801 and move together, and then changes the focus of guide sliding sleeve 8, and auxiliary balance auxiliary chain 5 carries out weight balance's regulation, further improves the regulation effect. Referring to fig. 4, the attached traction support bar 901 is filled with a magnetorheological fluid, and one end of the attached traction support bar 901 close to the swim bladder type linkage column 6 is electrically connected to the traction elevator body 1 through a wire. By introducing currents with different sizes into the magnetorheological fluid, the state of the magnetorheological fluid is changed, the properties of the attached traction support 901 can be adjusted conveniently, the support strength is met, the applicability of the attached traction support is improved, and the attached traction support can move along the guide sliding sleeve 8 conveniently.
Referring to fig. 8, the outer ends of the swim bladder type linkage columns 6 are fixedly provided with two-way fans 601 matched therewith, and the input ends of the two-way fans 601 extend to the outer side of the counterweight frame 401. The bidirectional fan 601 is matched with the swim bladder type linkage column 6, the flow of gas in the swim bladder type linkage column 6 can be changed, the swim bladder type linkage column 6 is assisted to change the shape and position, swim bladder type respiration adjustment is further formed, the descending speed of the counterweight balance mechanism 4 is changed, the gravity center position of the balance auxiliary lock chain 5 is changed, the adjusting accuracy of the counterweight balance system 3 is effectively improved, mechanical wear is reduced, safety is improved, overweight feeling and weightlessness feeling generated by moving of the elevator car 2 are reduced, and user experience degree is improved. Referring to fig. 8, the upper end of the unidirectional air injection buffer bag 7 is fixedly connected with a unidirectional air pipe, the upper end of the unidirectional air pipe is communicated with the swim bladder type linkage column 6, the lower end of the unidirectional air injection buffer bag 7 is fixedly connected with a pair of pressurized air injection pipes 701, and the lower ends of the pressurized air injection pipes 701 extend to the outer side of the counterweight frame 401. The swimming bladder type linkage column 6 connected by the one-way air pipe can effectively lead air into the one-way air injection buffer bag 7, the air quantity in the one-way air injection buffer bag 7 is effectively ensured to be sufficient, the air injection rate of the one-way air injection buffer bag 7 is further improved, the air flow pressure is increased through the pressurization air injection pipe 701, the buffer effect on the counterweight balance mechanism 4 is effectively achieved, when the counterweight balance mechanism 4 is influenced by the elevator car 2 and gravity to generate acceleration, the moving speed of the counterweight balance mechanism 4 is reduced, the friction heat is reduced, the mechanical accident is reduced, and the slippage phenomenon on the counterweight balance mechanism 4 is effectively avoided.
Referring to fig. 3, the left and right ends of the counterweight frame 401 are both provided with a swim bladder breathing cavity 402 matching with the swim bladder type linkage column 6, the upper inner wall of the swim bladder breathing cavity 402 is fixedly connected with the swim bladder type linkage column 6, and the lower inner wall of the swim bladder breathing cavity 402 is fixedly connected with the one-way air injection buffer bag 7. The swim bladder breathing cavity 402 limits the positions and the moving direction of the swim bladder type linkage column 6 and the one-way air injection buffer bag 7, effectively improves the moving stability of the swim bladder type linkage column 6 and the one-way air injection buffer bag 7, reduces the loss of the swim bladder type linkage column 6 and the one-way air injection buffer bag 7, and reduces the maintenance cost of the traction elevator. Referring to fig. 3, a swimming bladder displacement guide rod 403 is fixedly connected in the swimming bladder breathing cavity 402, and the swimming bladder type linkage column 6 and the unidirectional air injection buffer bag 7 are both sleeved outside the swimming bladder displacement guide rod 403. The swimming bladder displacement guide rod 403 is used for drawing the deformation directions of the swimming bladder type linkage column 6 and the unidirectional air injection buffer bag 7, so that the function of a breathing skeleton is achieved, the swimming bladder type linkage column 6 and the unidirectional air injection buffer bag 7 can effectively simulate the breathing of the swimming bladder, and the counterweight balance system 3 is adjusted.
Referring to fig. 1-11, the method of use: when the elevator car 2 moves upwards, the counterweight balance mechanism 4 moves downwards, the balance auxiliary chain 5 moves towards the elevator car 2, the bidirectional fan 601 is started, gas is introduced into the swim bladder type linkage column 6, so that the swim bladder type linkage column 6 moves in the swim bladder breathing cavity 402 along the swim bladder displacement guide rod 403, and drives the one-way air injection buffer bag 7 to compress downwards, so that the air in the one-way air injection buffer bag 7 is released from the pressurizing air injection pipe 701 to generate buffer force, the descending speed of the counterweight balance mechanism 4 is adjusted, and when the swim bladder type linkage column 6 moves, the attached type traction branch 901 is pressed down, the current in the attached type traction branch 901 is reduced, the attached type traction branch is made to have flexibility, under the guidance of the ball head traction rod 1001, the attached traction brace 901 moves depending on the shape of the guide sliding sleeve 8, and pushes the flexible counterweight column 9 to move towards the elevator car 2, the weight of the elevator car 2 is increased, the gravity center of the balance auxiliary chain 5 is continuously moved upwards, and when the flexible counterweight column 9 moves, the annular magnetic block inside the elevator car drives the magnetic particles 801 to move upwards, the weight of the elevator car 2 is further increased, the elevator car 2 and the counterweight balance mechanism 4 are effectively in a balanced state while the acceleration of the elevator car 2 is relieved, the moving distance of the swim bladder type linkage column 6 is controlled according to the state of the bearing in the elevator car 2, so as to effectively adjust the gravity center of the balance auxiliary chain 5 and the buffer force of the unidirectional air injection buffer bag 7, effectively improve the adjusting precision of the counterweight balance system 3, reduce the mechanical abrasion of the counterweight balance system 3, improve the balance in the running process of the elevator car 2, and has double protection effect on the counterweight balance system 3, and further improves the safety of the traction elevator body 1 in the running process.
Example 2:
referring to fig. 1 to 11, in which the same or corresponding components as those in embodiment 1 are designated by the same reference numerals as those in embodiment 1, only the points different from embodiment 1 will be described below for the sake of convenience. This example 2 differs from example 1 in that: referring to fig. 8-11, the dynamic balance adjusting method of the counterweight balance system 3 includes the following steps:
s1, when an elevator car 2 moves upwards, a counterweight balance mechanism 4 moves downwards, and a balance auxiliary chain 5 is drawn by the elevator car 2 to be close to the elevator car 2;
s2, at the moment, the swim bladder type linkage column 6 sucks air to deform, drives the attached traction support bar 901 to enable the flexible counterweight column 9 to move towards the elevator car 2 along the guide sliding sleeve 8, increases the counterweight of the elevator car 2, balances the acceleration of the upward movement of the elevator car 2, extrudes the one-way air injection buffer bag 7 through the swim bladder type linkage column 6, enables the one-way air injection buffer bag 7 to inject air to the lower end, and buffers the descending speed of the counterweight balance mechanism 4;
s3, the auxiliary counterweight balance system 3 completes dynamic balance adjustment when the elevator car 2 moves upwards (see figure 9);
s4, when the elevator car 2 moves downwards, the counterweight balance mechanism 4 moves upwards, and the balance auxiliary chain 5 is pulled by the counterweight balance mechanism 4 to be close to the counterweight balance mechanism 4;
s5, at the moment, the swim bladder type linkage column 6 exhausts to contract to drive the attached traction support bar 901 to enable the flexible counterweight column 9 to move towards the direction far away from the elevator car 2 along the guide sliding sleeve 8, the counterweight of the elevator car 2 is reduced, the downward moving acceleration of the elevator car 2 and the upward acceleration of the counterweight balance mechanism 4 are balanced, the swim bladder type linkage column 6 stretches the unidirectional air injection buffer bag 7, the inside of the unidirectional air injection buffer bag 7 is ventilated, and the air quantity in the unidirectional air injection buffer bag 7 is increased for later use;
and S6, the auxiliary counterweight balance system 3 completes dynamic balance adjustment when the elevator car 2 moves downwards (see the figure 10). The weight of the elevator car 2 is increased when the elevator car moves upwards, the weightlessness caused by instantaneous acceleration is reduced, the comfort level of a user is improved, the one-way air injection buffer bag 7 sprays paint downwards, the moving speed of the counterweight balance mechanism 4 is reduced, the moving balance of the elevator car 2 is improved, the phenomenon that the elevator car 2 is rushed to top due to system faults is effectively avoided, the weight of the elevator car is reduced when the elevator car 2 moves downwards, the overweight rod caused by the instantaneous acceleration is reduced, the comfort level of the user is improved, the weight of the counterweight balance mechanism 4 is increased, the dragging feeling of the counterweight balance mechanism 4 to the elevator car 2 is improved, the phenomenon that the elevator car 2 is squat down due to brake faults is effectively avoided, and the running safety of a dragging elevator is improved under the double protection of the flexible counterweight column 9 and the one-way air injection buffer bag 7.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. The utility model provides a tow elevator with swimming bladder formula is to counter weight balance system, includes and tows elevator body (1), tow and install elevator car (2) on elevator body (1) and with elevator car (2) matched with counter weight balance system (3), counter weight balance system (3) is including counter weight balance mechanism (4) and balanced supplementary chain (5), its characterized in that: the counterweight balance mechanism (4) comprises a counterweight frame (401), the traction elevator body (1) is connected with the counterweight frame (401) in a sliding mode, a pair of swim bladder type linkage columns (6) are installed in the counterweight frame (401), and the lower ends of the swim bladder type linkage columns (6) are fixedly connected with one-way air injection buffer bags (7);
the lower end of the counterweight balance mechanism (4) is fixedly connected with a pair of balance auxiliary lock chains (5) corresponding to the swim bladder type linkage columns (6), the other ends of the balance auxiliary lock chains (5) are fixedly connected with the elevator car (2), the outer ends of the balance auxiliary lock chains (5) are fixedly connected with guide sliding sleeves (8), the outer ends of the guide sliding sleeves (8) are connected with a plurality of flexible counterweight columns (9) in a sliding mode, the lower ends of the swim bladder type linkage columns (6) are fixedly connected with a pair of attached traction supporting strips (901), and the other ends of the attached traction supporting strips (901) extend to the outer side of the counterweight frame (401) and are fixedly connected with the flexible counterweight columns (9);
the dynamic balance adjusting method of the counterweight balance system (3) comprises the following steps:
s1, when an elevator car (2) moves upwards, a counterweight balance mechanism (4) moves downwards, and a balance auxiliary chain (5) is pulled by the elevator car (2) to be close to the elevator car (2);
s2, the swim bladder type linkage column (6) sucks air to deform to drive the attachment type traction supporting strip (901) to enable the flexible counterweight column (9) to move towards the elevator car (2) along the guide sliding sleeve (8), the counterweight of the elevator car (2) is increased, the upward moving acceleration of the elevator car (2) is balanced, the swim bladder type linkage column (6) extrudes the one-way air injection buffer bag (7), the one-way air injection buffer bag (7) injects air to the lower end, and the descending speed of the counterweight balance mechanism (4) is buffered;
s3, the auxiliary counterweight balance system (3) completes dynamic balance adjustment when the elevator car (2) moves upwards;
s4, when the elevator car (2) moves downwards, the counterweight balance mechanism (4) moves upwards, and the balance auxiliary chain (5) is pulled by the counterweight balance mechanism (4) to be close to the counterweight balance mechanism (4);
s5, exhausting air by the swim bladder type linkage column (6) to shrink, driving the attachment type traction support bar (901) to enable the flexible counterweight column (9) to move towards the direction far away from the elevator car (2) along the guide sliding sleeve (8), reducing the counterweight of the elevator car (2), balancing the downward moving acceleration of the elevator car (2) and the upward acceleration of the counterweight balancing mechanism (4), stretching the unidirectional air injection buffer bag (7) by the swim bladder type linkage column (6), ventilating the interior of the unidirectional air injection buffer bag (7), increasing the air volume in the unidirectional air injection buffer bag (7) and preparing for later use;
s6, the auxiliary counterweight balance system (3) completes dynamic balance adjustment when the elevator car (2) moves downwards.
2. The traction elevator with a swim bladder type counterweight balance system as claimed in claim 1, wherein: a plurality of arc-shaped stabilizing sleeves (10) which are uniformly distributed are fixedly connected to the attached type traction supporting bar (901), a ball head traction rod (1001) is fixedly connected to one end, close to the guide sliding sleeve (8), of each arc-shaped stabilizing sleeve (10), and the ball head traction rod (1001) is in sliding connection with the guide sliding sleeve (8).
3. The traction elevator with a swim bladder type counterweight balance system as claimed in claim 2, wherein: the front end and the rear end of the arc-shaped stabilizing sleeve (10) are provided with hemispherical guide indentations in a pressure equalizing manner, and the hemispherical guide indentations are matched with the ball head traction rod (1001).
4. The traction elevator with a swim bladder type counterweight balance system as claimed in claim 1, wherein: the inner end of the flexible counterweight column (9) is fixedly connected with an annular magnetic block, the guide sliding sleeve (8) is filled with magnetic particles (801), and the magnetic particles (801) are matched with the annular magnetic block.
5. The traction elevator with the swim bladder type counterweight balance system according to claim 1, characterized in that: magnetorheological fluid is filled in the attached traction support bar (901), and one end, close to the swim bladder type linkage column (6), of the attached traction support bar (901) is electrically connected with the traction elevator body (1) through a lead.
6. The traction elevator with the swim bladder type counterweight balance system according to claim 1, characterized in that: the outer end of the swimming bladder type linkage column (6) is fixedly provided with a bidirectional fan (601) matched with the swimming bladder type linkage column, and the input end of the bidirectional fan (601) extends to the outer side of the counterweight frame (401).
7. The traction elevator with a swim bladder type counterweight balance system as claimed in claim 1, wherein: the upper end of the one-way air injection buffer bag (7) is fixedly connected with a one-way air pipe, the upper end of the one-way air pipe is communicated with the swim bladder type linkage column (6), the lower end of the one-way air injection buffer bag (7) is fixedly connected with a pair of pressurizing air injection pipes (701), and the lower ends of the pressurizing air injection pipes (701) extend to the outer side of the counterweight frame (401).
8. The traction elevator with a swim bladder type counterweight balance system as claimed in claim 1, wherein: the swimming bladder breathing cavity (402) matched with the swimming bladder type linkage column (6) is formed in the left end and the right end of the counterweight frame (401), the upper inner wall of the swimming bladder breathing cavity (402) is fixedly connected with the swimming bladder type linkage column (6), and the lower inner wall of the swimming bladder breathing cavity (402) is fixedly connected with the one-way air injection buffer bag (7).
9. The traction elevator with a swim bladder type counterweight balance system as claimed in claim 8, wherein: the swimming bladder breathing cavity (402) is internally and fixedly connected with a swimming bladder displacement guide rod (403), and the swimming bladder type linkage column (6) and the unidirectional air injection buffer bag (7) are sleeved on the outer side of the swimming bladder displacement guide rod (403).
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| CN202110721826.7A CN113387263B (en) | 2021-06-28 | 2021-06-28 | Traction elevator with swimming bladder type counterweight balance system |
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| CN202110721826.7A CN113387263B (en) | 2021-06-28 | 2021-06-28 | Traction elevator with swimming bladder type counterweight balance system |
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