CN115028092A - Adjustable hanging bracket device for building counter weight and control method - Google Patents

Adjustable hanging bracket device for building counter weight and control method Download PDF

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Publication number
CN115028092A
CN115028092A CN202210647662.2A CN202210647662A CN115028092A CN 115028092 A CN115028092 A CN 115028092A CN 202210647662 A CN202210647662 A CN 202210647662A CN 115028092 A CN115028092 A CN 115028092A
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CN
China
Prior art keywords
counterweight
unit
hoisting
driving
weight
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Pending
Application number
CN202210647662.2A
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Chinese (zh)
Inventor
张冲
王成民
马良浮
王庆松
徐友修
李登祥
阮明
余新友
丁玉楼
朱海龙
赵庚
齐军
殷莱莱
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General Contracting Branch Of Anhui Construction Engineering Group Co ltd
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General Contracting Branch Of Anhui Construction Engineering Group Co ltd
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Priority to CN202210647662.2A priority Critical patent/CN115028092A/en
Publication of CN115028092A publication Critical patent/CN115028092A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/16—Applications of indicating, registering, or weighing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details

Abstract

A lifting frame device with adjustable balance weight for buildings and a control method thereof are disclosed, wherein the lifting frame device comprises a support frame and a control operation unit, a support arm is rotatably arranged on the support frame, the support arm comprises a balance weight support arm and a hoisting support arm, and a hoisting unit is slidably arranged on the hoisting support arm; a counterweight unit with adjustable weight is arranged on the counterweight supporting arm in a sliding way; the control operation unit comprises a gravity sensing piece, a stroke sensor and a controller, the gravity sensing piece is installed on the hoisting unit, the stroke sensor is arranged on the hoisting support arm, the controller is electrically connected with the gravity sensing piece and the stroke sensor respectively, and the rotation of the support arm, the movement of the hoisting unit and the weight adjusting process of the counterweight unit are regulated and controlled. The invention can constantly ensure the moment balance of the hoisted object, avoid the instability of the support frame caused by the moment imbalance of the support frame, increase the quality of the hoisted object and improve the hoisting capacity.

Description

Balance weight adjustable hanging bracket device for building and control method
Technical Field
The invention relates to a hanger device for a building, in particular to a hanger device with adjustable balance weight for a building and a control method.
Background
As is known, a prefabricated building refers to a building construction method in which some or all components of a building are produced in a component prefabrication factory, and then transported to a construction site in a corresponding transportation mode, and the components are assembled by adopting a reliable installation mode and an installation machine to form a building with a use function. Compared with field construction, the prefabricated assembly type construction has the advantages of convenience in construction, high engineering progress, small influence on the surrounding environment, easiness in ensuring the quality of building components and the like. When assembling building construction, only need to be hoisted to suitable building position with the prefab that corresponds, can carry out quick construction.
At present, equipment such as tower crane that hoist and mount used directly hangs through the jib loading boom that is equipped with lifting hook and hoist cable usually, though be equipped with balance arm and balancing weight, but receive fixed counter weight's influence, the activity space is limited and because of the thing weight difference that hangs, the stroke limit of hoist is not real-time determination well, still very easily because the unbalanced balance weight moment causes the support frame slope at the hoist and mount in-process, has great potential safety hazard.
Disclosure of Invention
In order to overcome the defects of the related art, the invention provides the balance weight adjustable hanger device for the building and the control method thereof, which can constantly ensure the moment balance of a lifted object, avoid the instability of a support frame caused by the moment imbalance of the support frame, increase the quality of the lifted object and improve the lifting capacity.
The invention adopts a technical scheme for solving the technical problem that:
a balance weight adjustable hanging bracket device for a building comprises a supporting frame, wherein the top end of a supporting arm is rotatably arranged on the supporting frame, the supporting arm comprises a balance weight supporting arm and a hoisting supporting arm which are respectively positioned at two sides of the supporting frame, and a hoisting unit is slidably arranged on the hoisting supporting arm and used for hoisting a hoisted object; the counterweight supporting arm is provided with a counterweight unit with adjustable weight in a sliding manner and is used for balancing the torque of a lifted object through gravity;
the hanging bracket device with the adjustable building counterweight further comprises a control operation unit, and the hanging bracket device further comprises a gravity sensing piece, a stroke sensor and a controller, wherein the gravity sensing piece is installed on the hoisting unit and used for sensing the gravity of a hoisted object, the stroke sensor is arranged on the hoisting support arm and used for sensing the moving distance of the hoisting unit, and the controller is respectively electrically connected with the gravity sensing piece and the stroke sensor and is used for regulating and controlling the rotation of the support arm, the action of the hoisting unit and the weight adjusting process of the counterweight unit.
By utilizing the control operation unit, the counterweight unit with adjustable weight slides to carry out moment balance on the lifted object, the moment balance of the lifted object can be ensured constantly, the support frame is prevented from being unstable due to the moment imbalance of the support frame, the quality of the lifted object is increased, and the lifting capacity is improved.
The other technical scheme adopted by the invention for solving the technical problem is as follows:
a counterweight control method for a hanger apparatus, comprising the steps of:
s1, operating the hoisting unit to hoist the hoisted object, wherein the gravity sensor senses that the gravity of the hoisted object is F i ；
S2, the hoisting unit moves on the hoisting support arm, and the moment radius of the hoisting unit is induced to be L by the stroke inductor 1i ；
S3, adjusting the gravity of the counterweight unit;
s4, calculating the moment radius of the counterweight
Figure BDA0003686649990000021
Wherein M is 1 Moment for hoisting supporting arms, M 2 For balancing the moment of the supporting arm, F 0 In order to be the weight force of the weight unit,
the counterweight unit is controlled to slide on the counterweight supporting arm to ensure that the moment radius of the counterweight unit is L 2i 。
This technical scheme, through gravity-feed tank spare, stroke inductor to lifting by crane material resources moment real-time supervision, recycle the moment that the counter weight on the controller regulation and control counter weight support arm was used for balancing the thing of lifting by crane, realized support frame moment balance for the support frame remains stable throughout during the construction, on this basis, can also further increase the quality of lifting by crane the thing, improves the lifting capacity.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of a hanger apparatus according to an embodiment of the present invention.
Fig. 2 is a front view of a counterweight unit in one embodiment of the invention.
Fig. 3 is a top view of a counterweight unit in an embodiment of the invention.
Fig. 4 is a cross-sectional view at C-C in fig. 3.
Fig. 5 is an enlarged view of the structure at a in fig. 4.
Fig. 6 is an enlarged view of the structure at B in fig. 4.
FIG. 7 is a flow chart of a control method according to an embodiment of the invention.
FIG. 8 is a flow chart of step 3 of the control method according to one embodiment of the present invention.
The reference numbers in the figures illustrate:
1. the device comprises a support frame 11, a support arm 111, a counterweight support arm 112 and a hoisting support arm;
2. a hoisting unit;
3. the counterweight device comprises a counterweight unit, 31, a track, 32, a counterweight fixing base, 321, an inner cavity, 33, a fixed counterweight block, 331, a first embedded hole, 3311, a first internal threaded pipe, 34, a movable counterweight block, 341, a second embedded hole, 3411, a second internal threaded pipe, 35, a counterweight adjusting component, 351, a rotating rod, 352, a rotating screw rod sleeve, 353, a rotating driving piece, 3531, a motor, 3532, a driving belt pulley, 3533, a driven belt pulley, 354, a driven screw rod, 3541, a third embedded hole, 355, a transmission structure, 3551, a screw rod end sleeve, 3552 and an embedded groove;
4. and the control operation unit 41, the gravity sensing piece 42, the stroke sensor 43 and the controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of the present invention.
Fig. 1 to 6 show schematic structural diagrams of a preferred embodiment of the present invention, in which a counterweight adjustable hanger apparatus for a building includes a support frame 1 and a control operation unit 4, wherein a support arm 11 is rotatably installed at a top end of the support frame 1, the support arm 11 includes a counterweight support arm 111 and a hoisting support arm 112 respectively installed at two sides of the support frame 1, and a hoisting unit 2 is slidably arranged on the hoisting support arm 112 for hoisting a hoisted object; the counterweight supporting arm 111 is provided with a counterweight unit 3 with adjustable weight in a sliding way, and the counterweight unit 3 is used for balancing the torque of a lifted object through gravity;
the control operation unit 4 comprises a gravity sensing piece 41, a stroke sensor 42 and a controller 43, wherein the gravity sensing piece 41 is installed on the hoisting unit 2 and used for sensing the gravity of a hoisted object; the stroke sensor 42 is arranged on the hoisting support arm 112 and used for sensing the moving distance of the hoisting unit 2; the controller 43 is electrically connected to the gravity sensor 41 and the stroke sensor 42, and controls the rotation of the support arm 11, the operation of the hoisting unit 2, and the weight adjustment process of the counterweight unit 3. The controller 43 is obtained by a person skilled in the art based on the prior art, and the gravity sensing element 41 and the stroke sensor 42 are also in the prior art and are not used as improvement points, which are not described herein again.
In specific implementation, the controller 43 is electrically or wirelessly connected to the gravity sensing component 41, the counterweight driving component, the direction driving component, the hoisting driving component, and the rotation driving component 353, the controller 43 controls the hoisting driving component to drive the hoisting unit 2 to move on the hoisting support arm 112, the hoisting unit 2 hoists the hoisted object, and the gravity sensing component 41 senses that the gravity of the hoisted object is F i The controller 43 controls the hoisting driving member to drive the hoisting unit 2 to move on the hoisting supporting arm 112, and the stroke sensor 42 senses that the torque radius of the hoisting unit 2 is L 1i Controller 43 calculates the counterweight moment radius
Figure BDA0003686649990000051
Wherein M is 1 Moment, M, for lifting the supporting arm 112 2 Moment of the counterweight supporting arm 111, F 0 For the gravity of the counterweight unit 3, the controller 43 controls the counterweight driving member to drive the counterweight unit 3 to slide on the counterweight supporting arm 111 so that the moment radius of the counterweight unit 3 is L 2i . The counterweight unit 3 slides to perform moment balance on the lifted object, thereby constantly ensuring the moment balance of the lifted object and avoiding the moment of the support frame 1The support frame 1 is unstable due to unbalance, the quality of hoisted objects is increased, and the hoisting capacity is improved.
The support frame can be a steel frame and is mainly used for supporting and mounting, the support frame 1 can be fixed on the ground or on a building, and any form in the prior art can be selected for the structure of the support frame 1, which is not specifically described herein.
The rotation plane of the support arm 11 can be perpendicular to the support frame 1, and certainly does not exclude other connection angles, and the support arm 11 can be connected to the support frame 1 through a cable, so as to form a triangular support structure, thereby increasing the connection stability of the support arm 11. The rotation of the supporting arm 11 can be driven by a direction driving member, and the direction driving member is mounted on the supporting frame 1 and connected to the supporting arm 11, which can be selected from the prior art and is not described herein in detail.
Above-mentioned counter weight support wall and hoist and mount support wall can be the sharp setting, and counter weight support wall and hoist and mount support wall can be steel framework structure, and this part is prior art, specifically does not do here and describe repeatedly.
The lifting unit 2 can be provided with a lifting hook and a lifting hook driving part, and the lifting hook driving part is used for driving the lifting hook to lift, so that a lifted object can be lifted, the height of the lifted object can be adjusted, and the lifting of the lifted object can be met. The specific structure of the hoisting unit 2 is the prior art, and is not described herein in detail. Wherein, lift by crane the driving piece, be connected with lifting by crane unit 2 for drive lifts by crane unit 2 and slides on the hoist and mount support wall to this sliding radius who changes lifting by crane unit 2, the concrete structure who lifts by crane the driving piece is prior art, and is not specifically described here.
In the embodiment of the present invention, a counterweight driving member is disposed on the counterweight supporting arm 111, and is connected to the counterweight unit 3 for driving the counterweight unit 3 to slide on the counterweight supporting arm 111, so as to change the counterweight radius of the counterweight unit 3. The counterweight driving member may have the same structure as the hoisting driving member, and the specific structure may be selected from the prior art, which is not described herein in detail.
As an optional implementation manner of the embodiment of the present invention, the counterweight unit 3 includes a rail 31, a counterweight fixing base 32, a fixed counterweight 33, a movable counterweight 34, and a counterweight adjusting component 35, the counterweight supporting arm 111 is fixedly provided with the rail 31, two rails 31 are provided and are relatively slidably mounted on the counterweight supporting arm 111, the rail 31 is driven by a counterweight driving component to slide relative to the counterweight supporting arm 111, two ends of the rail 31 are slidably mounted on the rail 31, and the counterweight fixing base 32 is slidably disposed on the rail 31, so that the movable counterweight 34 and the counterweight fixing base 32 are slidably stabilized. The counterweight fixing base 32 is slidably disposed at the distal end of the rail 31, and is fixed with the fixing counterweight 33, and the counterweight fixing base 32 may be a steel frame structure; specifically, a first embedded hole 331 is formed in the fixed counterweight block 33, a first internal threaded tube 3311 can be fixedly arranged inside the first embedded hole 331, and a thread is formed inside the first internal threaded tube 3311, so that the fixed counterweight block 33 and the screw sleeve 352 can be conveniently embedded to realize rotation. A plurality of movable clump weights 34 are arranged side by side at the near end of the track 31 and are connected to the support frame 1 or the counterweight support arm 111 in a sliding manner, more specifically, the movable clump weights 34 can be block structures with T-shaped sections, the movable clump weights 34 can be cement structures, second embedded holes 341 are arranged on the movable clump weights 34, the second embedded holes 341 on a plurality of movable clump weights 34 are in one-to-one correspondence and can be axially communicated, the rotating screw rod sleeves 352 are embedded in the inner cavity 321 of the counterweight fixing base 32 in a threaded fit manner, the driven screw rod is embedded in the second embedded hole 341 in a threaded fit manner and serially connects the plurality of movable balancing weights 34, further, a second internal threaded pipe 3411 can be fixedly arranged in the second embedded hole 341, and threads are formed in the second internal threaded pipe 3411, so that the driven screw rod and the movable balancing weights 34 can be conveniently embedded in the threads and can rotate relatively; under the control of the counterweight adjusting assembly 35, the movable counterweight block 34 is in contact with or separated from the fixed counterweight block 33 according to the increase or decrease of the counterweight.
As an alternative embodiment of the present embodiment, the weight adjustment assembly 35 includes a rotating rod 351, a rotating screw sleeve 352, a rotating driver 353 and a driven screw 354,
the rotating rod 351 is rotatably connected to the counterweight fixing base 32; a rotating screw sleeve 352 is slidably and non-rotatably nested on the rotating rod 351,
the rotation driving member 353 is fixedly installed on the counterweight fixing base 32, and is connected to the rotation rod 351, so as to drive the rotation rod 351 to rotate;
the movable counter weights 34 are slidably connected to one end of the driven screw 354, and the other end of the driven screw 354 is rotatably connected to the support frame 1 or the counterweight support arm 111;
the end parts of the rotating screw rod sleeve 352 and the driven screw rod are matched and connected through a transmission structure 355.
The rotating rod 351 can be of a polygonal column structure, the polygonal groove matched with the rotating rod 351 is formed in the rotating screw rod sleeve 352, the rotating rod 351 is nested in the polygonal groove, and therefore the sliding non-rotating nesting is achieved, the rotating rod 351 and the polygonal groove can be of other non-cylindrical structures, and the details are not specifically omitted.
During specific implementation, a third embedded hole 3541 is formed in the driven screw rod, the inner radius of the third embedded hole 3541 is larger than the outer radius of the rotating rod 351, and when the rotating screw rod sleeve 352 is in contact with the driven screw rod, the rotating rod 351 can be nested into the third embedded hole 3541, so that sufficient contact between the rotating screw rod sleeve 352 and the driven screw rod is met, and the sliding range of the rotating screw rod sleeve 352 can be enlarged. Rotate lead screw cover 352 and rotate, rotate lead screw cover 352 under the screw drive and move to moving balancing weight 34 and enter into the inside of third embedded hole 3541, it is connected with driven screw through transmission structure 355 between lead screw cover 352 and the driven screw to rotate, driven screw rotates and makes moving balancing weight 34 nestification on rotating lead screw cover 352 and fix on counter weight fixed baseplate 32, thereby accomplished the counter weight and increased, through driven screw and the combination of rotating lead screw cover 352, can make moving balancing weight 34 moving as a whole and fixed, avoided moving balancing weight 34 to break away from and cause danger, be convenient for the counter weight ration to increase.
As an optional implementation manner of the embodiment of the present invention, the transmission structure 355 includes a screw end sleeve 3551 and an embedded groove 3552, which are nested in a screw-fit manner, the screw end sleeve 3551 is coaxially and fixedly connected to an end of the rotating screw sleeve 352, and the embedded groove 3552 is coaxially opened at an end of the driven screw.
When the rotary screw rod sleeve 352 is contacted with the driven screw rod, the screw rod end sleeve 3551 is nested in the inner embedding groove 3552 in a threaded fit mode, when the screw rod end sleeve 3551 rotates to the limit position and rotates to the bottom, the rotary screw rod sleeve 352 cannot rotate relative to the driven screw rod, and therefore the driven screw rod can be driven to rotate. When needs reduce the counter weight, counter weight adjusting part 35 makes counter weight fixed baseplate 32 and removal balancing weight 34 fully contact, it drives dwang 351 antiport to rotate driving piece 353, thereby can drive rotation lead screw cover 352 and driven lead screw antiport, remove balancing weight 34 antiport, accomplish the counter weight and reduce, when reducing appointed counter weight, counter weight adjusting part 35 drives counter weight fixed baseplate 32 and keeps away from removal balancing weight 34, and the cooperation rotates the drive, break away from with this completion lead screw end cover 3551 and embedded groove 3552, do not specifically do here and describe repeatedly. Of course, the transmission structure 355 may also be a polygon prism and a polygon groove structure, which will not be described herein. The embedded hole has been seted up to driven screw's inside, and the inner radius in embedded hole is greater than the external circle radius of dwang 351, and when rotating lead screw cover 352 and driven screw contact, the inside in embedded hole can be entered into to dwang 351 nestification to satisfy the abundant contact of rotating lead screw cover 352 and driven screw, can increase the sliding range of rotating lead screw cover 352.
As an optional implementation manner of the embodiment of the present invention, the rotary driving member 353 includes a motor 3531, a driving pulley 3532 and a driven pulley 3533, the motor 3531 is fixedly installed on the counterweight fixing base 32, an output shaft of the motor 3531 is coaxially and fixedly connected with the driving pulley 3532, an end portion of the rotating rod 351 is coaxially and fixedly connected with the driven pulley 3533, and the driven pulley 3533 is connected with the driving pulley 3532 through a belt.
As a further preferred embodiment of the present invention, the movable weight 34 is disposed at the junction of the weight support arm 111 and the support frame 1. Thus, the weight of the moving weight 34 does not produce a moment on the weight support arm 111, or the resulting moment has a negligible effect.
As a further preferable embodiment of the present invention, the thickness of the fixed weight 33 is larger than the thickness of the single movable weight 34. Therefore, when one end of the rotary screw sleeve 352 is embedded into the movable balancing weight 34, the other end of the rotary screw sleeve 352 is embedded into the fixed balancing weight 33, so that the rotary screw sleeve 352 is prevented from being separated from the fixed balancing weight 33, the fixed balancing weight 33 can be a basic balancing weight, and details are not repeated herein.
As shown in fig. 7, an embodiment of the present invention further provides a counterweight control method for a hanger apparatus, including the following steps:
s1, operating the hoisting unit 2 to hoist the hoisted object, and sensing the gravity of the hoisted object to be F by the gravity sensing piece 41 i ；
S2, the hoisting unit 2 moves on the hoisting support arm 112, and the stroke sensor 42 senses that the moment radius of the hoisting unit 2 is L 1i ；
In the two steps, the hoisting unit 2 can be driven by the hoisting driving piece to move on the hoisting support wall, the hoisting of the hoisted object by the hoisting unit 2 is completed, and the moment radius of the hoisting unit 2 is sensed by the stroke sensor 42 at the moment;
s3, adjusting the gravity of the counterweight unit 3;
s4, calculating the moment radius of the counterweight, wherein M 1 Moment, M, for lifting the supporting arm 112 2 Moment of the counterweight supporting arm 111, F 0 In order to be the weight force of the counterweight unit 3,
the counterweight unit 3 is controlled to slide on the counterweight supporting arm 111 to make the moment radius of the counterweight unit 3 be L 2i 。
Specifically, the counterweight unit 3 can be driven by the counterweight driving member to slide on the counterweight supporting arm 111 so that the moment radius of the counterweight unit 3 is L 2i 。
Referring to fig. 8, the step 3 of adjusting the gravity of the counterweight unit 3 includes the steps of:
s31, judging whether the current counterweight gravity F0 is larger than the current counterweight gravity F0, if so, executing S32, and if not, executing S37;
s32, calculating the number of the added counterweights, and rounding N to obtain N;
s33, judging whether N is larger than zero, if yes, executing S34; if not, keeping the existing operation;
s34, the counterweight fixing base 32 contacts with the movable counterweight block 34;
s35, searching a preset quantity-driving quantity information table to obtain the driving quantity;
s36, driving the rotary driving piece 353 positively by a driving quantity;
s37, calculating and reducing the number of the counter weights, and rounding N 'to obtain N';
s38, judging whether N' is larger than zero, if yes, executing S39; (ii) a If not, keeping the existing operation;
s39, the counterweight fixing base 32 contacts with the movable counterweight block 34;
s310, searching the quantity-driving quantity information table to obtain the driving quantity;
s311, the rotary driver 353 reversely drives by the driving amount.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiment according to the technical spirit of the present invention are included in the protection scope of the present invention.

Claims (10)

1. A counterweight adjustable hanging bracket device for a building comprises a supporting frame, wherein a supporting arm is rotatably arranged at the top end of the supporting frame and comprises a counterweight supporting arm and a hoisting supporting arm which are respectively arranged at two sides of the supporting frame; the hoisting support arm is provided with a hoisting unit in a sliding way and used for hoisting a hoisted object; the method is characterized in that: the counterweight supporting arm is provided with a counterweight unit with adjustable weight in a sliding manner and is used for balancing the torque of a lifted object through gravity;
the hanging bracket device with the adjustable building counterweight further comprises a control operation unit, and the hanging bracket device further comprises a gravity sensing piece, a stroke sensor and a controller, wherein the gravity sensing piece is installed on the hoisting unit and used for sensing the gravity of a hoisted object, the stroke sensor is arranged on the hoisting support arm and used for sensing the moving distance of the hoisting unit, and the controller is respectively electrically connected with the gravity sensing piece and the stroke sensor and is used for regulating and controlling the rotation of the support arm, the action of the hoisting unit and the weight adjusting process of the counterweight unit.
2. The adjustable hanging bracket device of the balance weight for the building of claim 1, which is characterized in that: and the counterweight supporting arm is provided with a counterweight driving part which is connected with the counterweight unit and used for driving the counterweight unit to slide on the counterweight supporting arm so as to change the counterweight radius of the counterweight unit.
3. The hanging bracket device with the adjustable balance weight for the building as claimed in claim 2, wherein: the counterweight unit comprises a track, a counterweight fixing base, a fixed counterweight block, a movable counterweight block and a counterweight adjusting component, the track is slidably mounted on the counterweight supporting arm and is connected with the counterweight driving part, the counterweight fixing base is slidably arranged at the far end of the track, and the fixed counterweight block is fixed on the counterweight fixing base; the movable balancing weights are arranged at the near end of the track side by side and are connected to the supporting frame or the balancing weight supporting arm in a sliding mode; under the control of the counterweight adjusting component, the movable counterweight block is contacted with or separated from the fixed counterweight block according to the counterweight increasing and decreasing requirements.
4. The hanging bracket device with the adjustable balance weight for the building as claimed in claim 3, is characterized in that: the counterweight adjusting component comprises a rotating rod, a rotating screw rod sleeve, a rotating driving piece and a driven screw rod,
the rotating rod is rotatably connected to the counterweight fixing base; the rotating screw rod sleeve is nested on the rotating rod in a sliding and non-rotating way,
the rotating driving piece is fixedly arranged on the counterweight fixing base, is connected with the rotating rod and is used for driving the rotating rod to rotate;
the movable balancing weights are connected to one end of the driven screw rod in a sliding mode, and the other end of the driven screw rod is connected to the supporting frame or the balancing weight supporting arm in a rotating mode;
the end parts of the rotating screw rod sleeve and the driven screw rod are connected in an assembling way through a transmission structure.
5. The adjustable hanging bracket device of the balance weight for the building of claim 4, which is characterized in that: the transmission structure comprises a screw rod end sleeve and an embedded groove which are in threaded fit and nested, the screw rod end sleeve is coaxially and fixedly connected with the end part of the rotating screw rod sleeve, and the embedded groove is coaxially arranged at the end part of the driven screw rod.
6. The adjustable hanging bracket device of the balance weight for the building of claim 4, which is characterized in that: the rotation driving part comprises a motor, a driving belt pulley and a driven belt pulley, the motor is fixedly installed on the counterweight fixing base, the driving belt pulley is fixedly connected with the output shaft of the motor in a coaxial mode, the driven belt pulley is fixedly connected with the end portion of the rotating rod in a coaxial mode, and the driven belt pulley is connected with the driving belt pulley through a belt.
7. The adjustable hanging bracket device for the building counterweight according to any one of the claims 1 to 6, which is characterized in that: the movable balancing weight is arranged at the joint of the balancing weight supporting arm and the supporting frame.
8. The adjustable hanging bracket device for the building counterweight according to any one of the claims 1 to 6, which is characterized in that: the thickness of the fixed balancing weight is larger than that of the single movable balancing weight.
9. A counterweight control method for a hanger device is characterized by comprising the following steps:
s1, operating the hoisting unit to hoist the hoisted object, wherein the gravity sensor senses that the gravity of the hoisted object is F i ；
S2, the hoisting unit moves on the hoisting support arm, and the moment radius of the hoisting unit is induced to be L by the stroke inductor 1i ；
S3, adjusting the gravity of the counterweight unit;
s4, calculating the moment radius of the counterweight
Figure FDA0003686649980000031
Wherein, M 1 For hoisting moment of the supporting arm, M 2 For balancing the moment of the arm, F 0 In order to be the weight force of the weight unit,
the counterweight unit is controlled to slide on the counterweight supporting arm to ensure that the moment radius of the counterweight unit is L 2i 。
10. The method of claim 9, wherein the step 3 of adjusting the weight force of the weight unit comprises the steps of:
s31, judging the current counterweight gravity F 0 Whether or not greater than
Figure FDA0003686649980000032
If so, then S32 is executed,
if not, go to S37;
s32, calculating and increasing the number of the counter weights
Figure FDA0003686649980000033
Rounding N to obtain N;
s33, judging whether N is larger than zero, if yes, executing S34;
s34, the counterweight fixing base is contacted with the movable counterweight block;
s35, searching a preset quantity-driving quantity information table to obtain the driving quantity;
s36, driving the rotary driving piece in the positive direction by the driving quantity;
s37, calculating and reducing the number of the counter weights
Figure FDA0003686649980000034
Rounding N 'to obtain N';
s38, judging whether N' is larger than zero, if yes, executing S39;
s39, the counterweight fixing base is contacted with the movable counterweight block;
s310, searching the quantity-driving quantity information table to obtain the driving quantity;
and S311, reversely driving the rotary driving piece by the driving amount.
CN202210647662.2A 2022-06-09 2022-06-09 Adjustable hanging bracket device for building counter weight and control method Pending CN115028092A (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210647662.2A CN115028092A (en) 2022-06-09 2022-06-09 Adjustable hanging bracket device for building counter weight and control method

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