CN110054090B - Force-controlled guide rail braking device for lifting equipment - Google Patents
Force-controlled guide rail braking device for lifting equipment Download PDFInfo
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- CN110054090B CN110054090B CN201910357655.7A CN201910357655A CN110054090B CN 110054090 B CN110054090 B CN 110054090B CN 201910357655 A CN201910357655 A CN 201910357655A CN 110054090 B CN110054090 B CN 110054090B
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- Prior art keywords
- steel wire
- wire rope
- block
- wedge
- energy storage
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
- B66C15/00—Safety gear
- B66C15/02—Safety gear for retaining load-engaging elements in the event of rope or cable breakage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a force control type guide rail braking device for lifting equipment, which consists of four parts, namely a braking device base (1), a braking block (2), an energy accumulator (3) and a trigger device (4), wherein the braking device base (1) is connected with the lifting equipment through a bolt, the trigger device (4) transmits a force signal to the energy accumulator (3), and the energy accumulator (3) tensions or releases the braking block (2) to realize the operation and braking of the lifting equipment; the device has simple structure, rapid reaction and low cost.
Description
Technical Field
The invention relates to the technical field of lifting devices with guide rails for building construction, in particular to a braking device of a lifting device in a construction building hoistway.
Background
The conventional lifting device with the guide rail for building construction does not consider the dangerous situation after the lifting device falls under the condition that a steel wire rope is broken in the operation process of the lifting device, and generally, the lifting device is reinforced on a foundation.
Disclosure of Invention
In order to solve the problem that a lifting device with a guide rail is dangerous in the falling process of the lifting device, the device solves the problem.
The technical scheme adopted by the invention for solving the problems is as follows: a force-controlled guide rail brake device for lifting equipment is composed of brake device base, brake blocks, energy accumulator and trigger unit.
The brake device base is provided with a reinforcing rib for reinforcing the brake device base and preventing deformation caused by bearing force, one surface of the brake device base is provided with a fixing hole for fixing with a lifting device, and the other two surfaces of the brake device base are provided with connecting holes for connecting with a brake block. The brake block comprises wedge-shaped friction block, locking block and friction plate, the locking block is fixed on the brake device base through a bolt, the wedge-shaped friction block is tightly attached to the locking block firmly through the energy accumulator, and the friction plate is fixed on the wedge-shaped friction block through a screw.
The energy storage device comprises an energy storage device telescopic body, an energy storage device barrel and a compression spring, wherein the energy storage device telescopic body is connected with the wedge-shaped friction block through a hinge, the energy storage device barrel is hinged with the locking block, two ends of the compression spring are respectively connected with the energy storage device telescopic body and the energy storage device barrel, and the energy storage device telescopic body and the energy storage device barrel are respectively provided with a locking lug and are locked through a locking bolt.
The trigger device is composed of a master control steel wire rope, a buffer tension spring, a steel wire rope connecting plate, a branch control steel wire rope and a guide pulley, wherein one end of the master control steel wire rope is connected with a pull ring, one end of the master control steel wire rope is connected with the buffer tension spring, the buffer tension spring is connected with the steel wire rope connecting plate, the steel wire rope connecting plate is connected with a lifting device, the branch control steel wire rope is connected with the steel wire rope connecting plate, the other end of the master control steel wire rope.
Drawings
Fig. 1 is an overall layout diagram.
Fig. 2 is a view of a brake base.
Fig. 3 is a brake block diagram.
Fig. 4 is an accumulator diagram.
Fig. 5 is a diagram of a trigger device.
Fig. 6 is a connection diagram of the respective portions.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
and (3) forming a braking device.
The brake device base 1 is provided with a reinforcing rib 11 for reinforcing the brake device base 1 and preventing deformation caused by bearing force, one surface of the brake device base 1 is provided with a fixing hole 12 for fixing with a lifting device, and the other two surfaces of the brake device base 1 are provided with connecting holes 13 for connecting with the brake block 2.
In fig. 3, the brake pad 2 is composed of a wedge shaped friction block 21, a locking block 22, and a friction plate 23.
In fig. 4, the accumulator 3 is composed of an accumulator telescopic body 31, an accumulator cylinder 32, and a compression spring 33.
In fig. 5, the triggering device 4 is composed of a master control wire rope 41, a buffer tension spring 42, a wire rope connecting plate 43, a sub-control wire rope 44 and a guide pulley 45.
Before the brake device is installed, the lifting equipment is placed on a supporting platform, and the lifting steel wire rope is in a loose state within a certain range.
Assembly of the energy storage 3.
The compression spring 33 is placed in the energy storage telescopic body 31 and the energy storage cylinder body 32 for compression, and the energy storage telescopic body 31 and the energy storage cylinder body 32 are locked by bolts through the locking lugs 34 to form a whole.
And (5) installing a braking device.
The brake base 1 is bolted to the lifting device.
The friction plate 23 is fixed on the wedge-shaped friction block 21 by screws, the locking block 22 is fixed on the braking device base 1 by bolts, and the wedge-shaped friction block 21 is connected with the energy accumulator 3.
The energy storage cylinder 32 is fixed on the locking block 22 in a hinged mode, one end of the energy storage telescopic body 31 is hinged with the wedge-shaped friction block 21, and the other end of the energy storage telescopic body is connected with the trigger device 4; after the connection is completed, the bolt on the locking lug 34 is removed, the energy storage telescopic body 31 is ejected, and the wedge-shaped friction block 21 connected with the energy storage telescopic body is pressed on the guide rail.
The branch control steel wire rope 44 connected with one end of the energy storage telescopic body 31 is connected with the main control steel wire rope 41 through the steel wire rope connecting plate 43 and the buffer tension spring 42, and the other end of the main control steel wire rope 41 is connected with the sling chain.
Two states of the braking device.
After the installation is finished, the loose hoisting steel wire rope is tensioned, the master control steel wire rope 41 connected to the sling chain is tensioned, the sub-control steel wire ropes 44 connected with the master control steel wire rope are simultaneously tensioned, the energy storage device telescopic body 31 connected with the sub-control steel wire ropes 44 drives the wedge-shaped friction block 21 connected with the energy storage device telescopic body to move, the friction plate 23 on the wedge-shaped friction block is separated from the hoisting equipment guide rail, and finally the wedge-shaped friction block 21 is attached to the locking block 22. This is the released state of the brake device.
In the operation process of the hoisting equipment, the hoisting steel wire rope is broken, the master control steel wire rope 41 connected to the sling chain loses tension, the sub-control steel wire rope 44 connected with the master control steel wire rope loses tension simultaneously, a force signal is transmitted to the energy accumulator 3, the compression spring 33 releases pressure under the action of the energy accumulator 3 to eject the energy accumulator telescopic body 31 out to drive the wedge-shaped friction block 21 connected with the energy accumulator telescopic body to move towards the direction of the hoisting equipment guide rail, the friction plate 23 fixed on the wedge-shaped friction block 21 is extruded on the hoisting equipment guide rail, the friction force is generated between the friction plate 23 on the wedge-shaped friction block 21 and the hoisting equipment guide rail, the wedge-shaped friction block 21 and the locking block 22 move relatively under the action of two hinge points of the energy accumulator 3 when the hoisting equipment is in a broken rope free falling state, the wedge-shaped friction block 21 is extruded between the locking block 22 and the hoisting equipment guide rail in a very short time, and the friction force formed by the friction, under the action of the gravity of the lifting device, the wedge-shaped friction block 21 and the lifting device form self-locking to brake the lifting device. This is the braking state of the braking device.
Claims (2)
1. A method of installing a force-controlled guide-rail braking device for a lifting apparatus, characterized by: the force control type guide rail braking device consists of four parts, namely a braking device base (1), a braking block (2), an energy accumulator (3) and a triggering device (4);
the braking device base (1) is connected with a lifting device through a bolt, a triggering device (4) transmits a force signal to the energy storage device (3), the energy storage device (3) is connected with the brake block (2), and the triggering device (4) is connected with the energy storage device (3); the energy accumulator pulls or releases the brake block to realize the operation or braking of the lifting equipment;
the brake block (2) consists of a wedge-shaped friction block (21), a locking block (22) and a friction plate (23), the locking block (22) is fixed on the brake device base (1) through a bolt, the wedge-shaped friction block (21) is tightly attached to the locking block (22) through an energy accumulator (3), and the friction plate (23) is fixed on the wedge-shaped friction block (21) through a screw;
the energy accumulator (3) consists of an energy accumulator telescopic body (31), an energy accumulator cylinder body (32) and a compression spring (33); the energy storage telescopic body (31) is hinged with the wedge-shaped friction block (21), the energy storage cylinder body (32) is hinged with the locking block (22), two ends of the compression spring (33) are respectively connected with the energy storage telescopic body (31) and the energy storage cylinder body (32), and the energy storage telescopic body (31) and the energy storage cylinder body (32) are respectively provided with a locking lug (34) which is locked through a locking bolt;
the trigger device (4) consists of a master control steel wire rope (41), a buffer tension spring (42), a steel wire rope connecting plate (43), a branch control steel wire rope (44) and a guide pulley (45), one end of the master control steel wire rope (41) is connected with a hanging ring, the other end of the master control steel wire rope is connected with the buffer tension spring (42), the buffer tension spring (42) is connected with the steel wire rope connecting plate (43), the steel wire rope connecting plate (43) is connected with a lifting device, one end of the branch control steel wire rope (44) is connected with the steel wire rope connecting plate (43), the other end of the branch control steel wire rope is connected with an energy accumulator telescopic body (;
installation of the braking device:
fixing a brake device base on the lifting equipment by using bolts; fixing the friction plate on a wedge-shaped friction block by using a screw, fixing a locking block on a braking device base by using a bolt, and connecting the wedge-shaped friction block with an energy storage device; fixing the energy storage cylinder on the locking block in a hinged mode, wherein one end of the energy storage telescopic body is hinged with the wedge-shaped friction block, and the other end of the energy storage telescopic body is connected with the triggering device; after the connection is completed, the locking bolt on the locking lug is detached, the telescopic body of the energy accumulator is popped up, and the wedge-shaped friction block connected with the telescopic body is pressed on the guide rail; the branch control steel wire rope connected with one end of the energy accumulator telescopic body is connected with the main control steel wire rope through a steel wire rope connecting plate and a buffer tension spring, and the other end of the main control steel wire rope is connected with a sling chain;
two states of the braking device:
after the installation is finished, the loose hoisting steel wire rope is tensioned, the master control steel wire rope connected to the sling chain is subjected to tension, the sub-control steel wire ropes connected with the master control steel wire rope are simultaneously subjected to tension, the energy storage device telescopic body connected with the sub-control steel wire ropes drives the wedge-shaped friction block connected with the energy storage device telescopic body to move, the friction plate on the wedge-shaped friction block is separated from the guide rail of the hoisting equipment, and finally the wedge-shaped friction block is attached to the locking block, which is the release state of the braking device;
during the operation of the hoisting equipment, the hoisting steel wire rope is broken, the master control steel wire rope connected to the sling chain loses tension, the sub-control steel wire rope connected with the hoisting steel wire rope loses tension simultaneously, a force signal is transmitted to the energy accumulator, the compression spring releases pressure under the action of the energy accumulator to push out the energy accumulator telescopic body, the wedge-shaped friction block connected with the energy accumulator telescopic body is driven to move towards the direction of the hoisting equipment guide rail, the friction plate fixed on the wedge-shaped friction block is extruded onto the hoisting equipment guide rail, the friction plate on the wedge-shaped friction block and the hoisting equipment guide rail generate friction force, the wedge-shaped friction block and the locking block move relatively under the action of two hinged points of the energy accumulator under the action of the broken rope free falling body state of the hoisting equipment, the wedge-shaped friction block is extruded between the locking block and the hoisting equipment guide rail in a very short time, and the friction force formed by, under the action of gravity of the lifting equipment, the wedge-shaped friction block and the lifting equipment form self-locking to brake the lifting equipment, which is the braking state of the braking device.
2. The method of claim 1, wherein the method further comprises the steps of: the brake device base is provided with a reinforcing rib for reinforcing the brake device base and preventing deformation caused by bearing force, one surface of the brake device base is provided with a fixing hole for fixing with a lifting device, and the other two surfaces of the brake device base are provided with connecting holes for connecting with a brake block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910357655.7A CN110054090B (en) | 2019-04-29 | 2019-04-29 | Force-controlled guide rail braking device for lifting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910357655.7A CN110054090B (en) | 2019-04-29 | 2019-04-29 | Force-controlled guide rail braking device for lifting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110054090A CN110054090A (en) | 2019-07-26 |
| CN110054090B true CN110054090B (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910357655.7A Active CN110054090B (en) | 2019-04-29 | 2019-04-29 | Force-controlled guide rail braking device for lifting equipment |
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| CN (1) | CN110054090B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337129Y (en) * | 1997-03-07 | 1999-09-08 | 无锡市南方电梯技术有限公司 | Instantaneous safety tongs |
| CN1430571A (en) * | 2000-05-25 | 2003-07-16 | 因温特奥股份公司 | Brake device for lift |
| CN102344071A (en) * | 2011-06-28 | 2012-02-08 | 苏州新达电扶梯部件有限公司 | Safety tongs lifting mechanism |
| CN202687684U (en) * | 2012-07-20 | 2013-01-23 | 天津瑟维斯科技有限公司 | Control device for electric lift safety gear |
| CN204454140U (en) * | 2015-01-26 | 2015-07-08 | 浙江西传电气科技有限公司 | A kind of Pop-up falling proof device of lifting means |
| CN205855677U (en) * | 2016-07-22 | 2017-01-04 | 广东华辉电梯配件有限公司 | A kind of progressive safety gear |
| CN207226724U (en) * | 2017-09-11 | 2018-04-13 | 康达电梯有限公司 | It is a kind of that there is the elevator for subtracting fall device |
| CN108946377A (en) * | 2018-09-10 | 2018-12-07 | 镇江朝阳机电科技有限公司 | A kind of novel elevator safety tongs |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009067492A (en) * | 2007-09-11 | 2009-04-02 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator car holding device |
-
2019
- 2019-04-29 CN CN201910357655.7A patent/CN110054090B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2337129Y (en) * | 1997-03-07 | 1999-09-08 | 无锡市南方电梯技术有限公司 | Instantaneous safety tongs |
| CN1430571A (en) * | 2000-05-25 | 2003-07-16 | 因温特奥股份公司 | Brake device for lift |
| CN102344071A (en) * | 2011-06-28 | 2012-02-08 | 苏州新达电扶梯部件有限公司 | Safety tongs lifting mechanism |
| CN202687684U (en) * | 2012-07-20 | 2013-01-23 | 天津瑟维斯科技有限公司 | Control device for electric lift safety gear |
| CN204454140U (en) * | 2015-01-26 | 2015-07-08 | 浙江西传电气科技有限公司 | A kind of Pop-up falling proof device of lifting means |
| CN205855677U (en) * | 2016-07-22 | 2017-01-04 | 广东华辉电梯配件有限公司 | A kind of progressive safety gear |
| CN207226724U (en) * | 2017-09-11 | 2018-04-13 | 康达电梯有限公司 | It is a kind of that there is the elevator for subtracting fall device |
| CN108946377A (en) * | 2018-09-10 | 2018-12-07 | 镇江朝阳机电科技有限公司 | A kind of novel elevator safety tongs |
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| Publication number | Publication date |
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| CN110054090A (en) | 2019-07-26 |
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