CN204823933U - Double -brake protection device - Google Patents
Double -brake protection device Download PDFInfo
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- CN204823933U CN204823933U CN201520578823.2U CN201520578823U CN204823933U CN 204823933 U CN204823933 U CN 204823933U CN 201520578823 U CN201520578823 U CN 201520578823U CN 204823933 U CN204823933 U CN 204823933U
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- brake
- motor
- protection device
- reductor
- drg
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Abstract
The utility model provides a double -brake protection device, it includes motor A, stopper, speed reducer, connecting axle and chassis, the one end of connecting axle and motor A's output shaft, the other end are passed the speed reducer and are connected with the speed reducer through connecting epaxial spline, the stopper is for setting up respectively in the axial both sides of speed reducer and two stoppers all being connected with the connecting axle, just the control circuit of two stoppers behind parallel connection again with the power return circuit UNICOM of PLC controller, this motor A, stopper and speed reducer are equallyd divide and are do not set up on the chassis, it reaches the mesh of realizing two stoppers of installation with the speed reducer with motor A's connecting axle extension to overall structure is simple, and installation and convenient operation can effectively prevent the emergence of incident, low in manufacturing cost, easily penetration and promotion use, the arresting gear complete network that it extensively was applicable to various tower crane uses.
Description
Technical field
The utility model relates to a kind of two brake protection device.
Background technology
Tower crane is that modern industry produces indispensable equipment, is widely used in the operations such as the lifting of various material, transport, handling, installation; Tower crane belongs to the machine of aerial work, its state of the art and the quality of safe condition, be directly connected to the person, device security and product design and production efficiency, it is classified as special equipment in addition special management by China, runs well, makes good use of the key link that weight-lifting equipment is safety in production.
But in real work, some problems easily appear in the brake equipment of tower crane: the AC contactor as drg sinters, although control circuit power-off, main power source cannot power-off make braking be in expanded configuration, thus causes safety misadventure; Cannot hold tightly because rainy humidity causes brake wheel and brake plate friction force to reduce and cause brake failure, suspension hook slips hook; Brake plate and brake wheel is damaged because brake equipment mechanical reason makes brake plate can not separate completely with brake wheel; Cause brake plate cannot be engaged completely with brake wheel because block nut loosens; Lock torque screw rod ruptures; Lock torque screw rod and lock torque spring clamp plate stuck; Because the pin key of reductor ruptures; Because inside brake drum bearing pin and block nut loosen; Due to the wearing and tearing of brake plate; Due to the wearing and tearing of brake wheel; Moment spring breakage; Brake cylinder transmission square shaft and square set gap increase and stuck; Hydraulic oil is rotten; The brake equipment of current tower crane is general all only installs a drg, and any one fault above-mentioned all can cause serious safety misadventure.
Utility model content
For above-mentioned situation, the utility model object is to provide a kind of two brake protection device, and the adapter shaft of reductor and motor A lengthens and reaches the object realizing installation two drgs by it; And integral structure is simple, to install and easy to operate, effectively can prevent the generation of safety misadventure, low cost of manufacture, be easy to promote the popularization use.
For realizing above-mentioned task, a kind of two brake protection device, it comprises motor A, drg, reductor, adapter shaft and underframe; One end of described adapter shaft is connected with the output shaft of motor A, the other end through reductor and spline on adapter shaft be connected with reductor; Described drg is two drgs that the axial both sides being arranged at reductor respectively are also all connected with adapter shaft, and described motor A, drg and reductor are arranged on underframe respectively.
For realizing the utility model structure, effect optimization, its further step: described adapter shaft comprises keyway, pin key, bearing and spline.
Described keyway is arranged at the two ends of adapter shaft and is equipped with pin key, and axially two keyway positions of described adapter shaft are for connecting two drgs.
Described bearing is arranged at the both sides of spline and is equipped with the casing of reductor.
Described drg comprises driver train, braking tile, brake wheel, moment spring, block nut, tie down screw and spring clamp plate.
The driver train of described drg comprises brake oil cylinder, motor B, square set and square shaft.
Described drg is electrohydraulic brake.
The control circuit of described two drgs after being connected in parallel again with the electric power loop UNICOM of PLC.
A kind of two brake protection device of the utility model, it comprises motor A, drg, reductor, adapter shaft and underframe; One end of described adapter shaft is connected with the output shaft of motor A, the other end through reductor and spline on adapter shaft be connected with reductor; Described drg is be arranged at the axial both sides of reductor respectively and two drgs being all connected with adapter shaft, and the control circuit of two drgs after being connected in parallel again with the electric power loop UNICOM of PLC; Described motor A, drg and reductor are arranged at the technical scheme on underframe respectively; The adapter shaft of reductor and motor A lengthens and reaches the object realizing installation two drgs by it; And integral structure is simple, to install and easy to operate, effectively can prevent the generation of safety misadventure, low cost of manufacture, be easy to promote the popularization use.
The beneficial effect that the utility model is produced compared to existing technology:
I, the utility model adopts and is lengthened by the adapter shaft of reductor and motor A and realize installation two drgs, greatly alleviate the work capacity of a drg and reduce the wearing and tearing of brake plate, the service life of extension device, and it is simultaneously closed or open to realize two drgs, effectively can prevent the generation of safety misadventure simultaneously;
II, the utility model adopts and is connected in parallel on electric power loop by the control circuit of two drgs, all can perform emergency braking task by any one drg of effective guarantee, reach the object of duplicate protection, prevent the generation of safety misadventure;
III, the utility model adopts the specifications and models of two drgs identical, and control line is in parallel, does not produce large change to former design circuit, therefore can not bring man-made further destroy, low cost of manufacture;
IV, the utility model adopts and is lengthened by the adapter shaft of reductor and motor A and reach the object realizing installation two drgs; And integral structure is scientific and reasonable, install and easy to operate, service life of equipment is long, low cost of manufacture, effectively can prevent the generation of safety misadventure, wide market, be convenient to promote the use of.
The brake equipment that the utility model is widely used in various tower crane supports the use.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming the application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is the integral structure schematic diagram of prior art.
Fig. 2 is integral structure schematic diagram of the present utility model.
Fig. 3 is the structural representation of adapter shaft of the present utility model.
Fig. 4 is the structural representation of drg driver train of the present utility model.
Fig. 5 is the control circuit schematic diagram of drg of the present utility model.
Fig. 6 is the motor B schematic circuit diagram of drg of the present utility model.
In figure: 1-motor A, 2-drg, 21-driver train, 211-brake oil cylinder, 212-motor B, 213-square set, 214-square shaft, 22-brakes tile, 23-brake wheel, 24-moment spring, 25-block nut, 26-tie down screw, 27-spring clamp plate, 3-reductor, 4-adapter shaft, 41-keyway, 42-pin key, 43-bearing, 44-spline, 5-underframe.
Detailed description of the invention
With reference to accompanying drawing, the utility model is achieved in that a kind of two brake protection device, and it comprises motor A1, drg 2, reductor 3, adapter shaft 4 and underframe 5; One end of described adapter shaft 4 is connected with the output shaft of motor A1, the other end through reductor 3 and spline 44 on adapter shaft 4 be connected with reductor 3; Described drg 2 is two drgs 2 that the axial both sides being arranged at reductor 3 respectively are also all connected with adapter shaft 4, two drgs 2 are installed, the workload of a drg 2 can be alleviated, and be conducive to the lock torque balance of adapter shaft 4, effectively can improve the service life of drg; Described motor A1, drg 2 and reductor 3 are arranged on underframe 5 respectively, and this underframe 5 preferably adopts Q235A section bar to be welded.
As shown in Figure 3, adapter shaft 4 of the present utility model comprises keyway 41, pin key 42, bearing 43 and spline 44, described keyway 41 is arranged at the two ends of adapter shaft 4 and is equipped with pin key 42, axially two keyway 41 positions of described adapter shaft 4 are for connecting two drgs 2, described bearing 43 is arranged at the both sides of spline 44 and is equipped with the casing of reductor 3, can operate flexibly by effective guarantee adapter shaft 4.
As shown in Fig. 4 and Fig. 1, drg 2 of the present utility model comprises driver train 21, braking tile 22, brake wheel 23, moment spring 24, block nut 25, tie down screw 26 and spring clamp plate 27; The driver train 21 of described drg 2 comprises brake oil cylinder 211, motor B212, square set 213 and square shaft 214; Described drg 2 preferably adopts electrohydraulic brake, and its model is preferably YWZ3-315/45-160.
As shown in Figure 5, the control circuit of two drgs 2 of the present utility model after being connected in parallel again with the electric power loop UNICOM of PLC; Power control line in figure in PLC just very L50 line, negative pole is N51 line, and two KHB contactless switchs are the braking contactor of brake protection device, and specifications and models are identical, and Current Voltage is identical; When positive pole No. 120 lines form close circuit by two KHB contactless switchs in parallel and negative pole N51 line, two KHB contactless switchs can work simultaneously, two the KHB contactless switchs be connected in parallel in PLC power source control path can not affect an other KHB contactless switch job because of the fault of one of them KHB contactless switch, all can perform emergency braking task by any one drg 2 of effective guarantee, reach the object of duplicate protection, effectively prevent the generation of safety misadventure; And many increases KHB contactless switch, stop the possibility that two KHB contactless switchs sinter simultaneously, have two drgs 2 to hold adapter shaft 4 tightly when raining moist simultaneously, greatly can alleviate the workload of a drg 2, can not cause suspension hook slip hook, Slip Hook phenomenon occur.
As shown in Figure 6, on drg 2 of the present utility model, the circuit theory of motor B212 illustrates: in figure, two MHB three phase electric machine B212 are respectively through two KHB contactless switch conducting main power sources in parallel, when two MHB three phase electric machine B212 operate, two KHB contactless switchs in circuit in parallel also work simultaneously, braking tile 22 on corresponding two drgs 2 is all opened, adapter shaft 4 energy normal operation; During emergency braking, PLC can cut off the circuit of two KHB contactless switchs, and cause two MHB three phase electric machine B212 to shut down, the braking tile 22 on corresponding two drgs 2 is held adapter shaft 4 tightly and makes it to shut down.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations; All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a two brake protection device, is characterized in that comprising motor A (1), drg (2), reductor (3), adapter shaft (4) and underframe (5); One end of described adapter shaft (4) is connected with the output shaft of motor A (1), the other end through reductor (3) and spline (44) on adapter shaft (4) be connected with reductor (3); Described drg (2) is two drgs (2) that the axial both sides being arranged at reductor (3) respectively are also all connected with adapter shaft (4), and described motor A (1), drg (2) and reductor (3) are arranged on underframe (5) respectively.
2. the two brake protection device of one according to claim 1, is characterized in that described adapter shaft (4) comprises keyway (41), pin key (42), bearing (43) and spline (44).
3. the two brake protection device of one according to claim 2; it is characterized in that described keyway (41) is arranged at the two ends of adapter shaft (4) and is equipped with pin key (42), axially two keyway (41) positions of described adapter shaft (4) are for connecting two drgs (2).
4. the two brake protection device of one according to claim 2, is characterized in that described bearing (43) is arranged at the both sides of spline (44) and is equipped with the casing of reductor (3).
5. the two brake protection device of one according to claim 1, is characterized in that described drg (2) comprises driver train (21), braking tile (22), brake wheel (23), moment spring (24), block nut (25), tie down screw (26) and spring clamp plate (27).
6. the two brake protection device of one according to claim 5, is characterized in that the driver train (21) of described drg (2) comprises brake oil cylinder (211), motor B (212), square set (213) and square shaft (214).
7. the two brake protection device of one according to claim 1, is characterized in that described drg (2) is electrohydraulic brake.
8. the two brake protection device of one according to claim 1, it is characterized in that the control circuit of described two drgs (2) after being connected in parallel again with the electric power loop UNICOM of PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578823.2U CN204823933U (en) | 2015-08-04 | 2015-08-04 | Double -brake protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578823.2U CN204823933U (en) | 2015-08-04 | 2015-08-04 | Double -brake protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204823933U true CN204823933U (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520578823.2U Active CN204823933U (en) | 2015-08-04 | 2015-08-04 | Double -brake protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204823933U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936334A (en) * | 2021-02-10 | 2021-06-11 | 镇江星河机器人有限公司 | Robot joint module motor and accurate control method thereof |
| CN113833780A (en) * | 2021-10-21 | 2021-12-24 | 杭州速博雷尔传动机械有限公司 | High-efficient two braking speed reducers |
-
2015
- 2015-08-04 CN CN201520578823.2U patent/CN204823933U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112936334A (en) * | 2021-02-10 | 2021-06-11 | 镇江星河机器人有限公司 | Robot joint module motor and accurate control method thereof |
| CN112936334B (en) * | 2021-02-10 | 2022-07-12 | 镇江星河机器人有限公司 | Robot joint module motor and accurate control method thereof |
| CN113833780A (en) * | 2021-10-21 | 2021-12-24 | 杭州速博雷尔传动机械有限公司 | High-efficient two braking speed reducers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190415 Address after: No. 1-6-1 of 16 blocks in Yuanda Jinxiu Four Seasons Garden, Anshun Economic and Technological Development Zone, Guizhou Province, 561000 Patentee after: Anshun Zhongan Installation Engineering Co., Ltd. Address before: 410300 No. 1003, unit 4, building A, Dongfang Xintiandi, Liuyang, Changsha, Hunan. Patentee before: Zhang Yanhua |
|
| TR01 | Transfer of patent right |