CN107235427A - A kind of electric block of flame-proof type - Google Patents
A kind of electric block of flame-proof type Download PDFInfo
- Publication number
- CN107235427A CN107235427A CN201710598809.2A CN201710598809A CN107235427A CN 107235427 A CN107235427 A CN 107235427A CN 201710598809 A CN201710598809 A CN 201710598809A CN 107235427 A CN107235427 A CN 107235427A
- Authority
- CN
- China
- Prior art keywords
- flame
- reel
- disc type
- electromagnetic disc
- electric block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000009467 reduction Effects 0.000 claims abstract description 16
- 238000004880 explosion Methods 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 239000002360 explosive Substances 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of electric block of flame-proof type, including shell, the head of shell is provided with explosion separation motor, explosion separation motor is connected by connecting plate for electric motor with shell, reel is provided with shell, reel is supported by roll support device, roll support device is located at the end of reel, the head of reel is provided with planetary reduction gear, planetary reduction gear is connected by shaft coupling with explosion separation motor, the afterbody of reel is provided with flame proof cylinder, and flame proof cylinder is interior to be provided with electromagnetic disc type brake, and electromagnetic disc type brake is arranged on the projecting shaft of reel tail end.The present invention fixes decelerator and motor at one end, brake is fixed on the other end, solve when electric block decelerator internal gear is damaged, the shortcoming that brake can not be braked, install flame proof cylinder additional outside brake simultaneously, it is effective prevent flammable explosive gas and dust from entering the spark reaction produced in flame proof cylinder with electromagnetic disc type brake, speed measuring coder and height limitator work and producing blast, it is to avoid potential safety hazard.
Description
Technical field
The present invention relates to a kind of electric block of flame-proof type, belong to hoisting machinery technical field.
Background technology
It is well known that existing electric block is a kind of minor crane tool of common use driven by power, available for solid
Determine Work places, add running trolley also can carry out raising and conveying articles along the rectilinear orbit or warp rail of steel I-beam
Operation, therefore electric block be often used as mono beam crane in bridge type, gantry and cantilever crane supporting lifting dress
Put.General purpose constant speed steel-wire rope type electric block, is made up of lifting mechanism, travelling mechanism, control panel each several part.
Traditional electric block, structure is more complicated, and decelerator and brake are fixed together, and easily causes when electronic calabash
When reed decelerator internal gear is damaged, brake can not be braked;Other existing roll support is set to coordinate motor to work
Meter support reel, it is impossible to meet well it is existing the need for and change;Hold simultaneously outside brake without good safeguard measure
Easily so that inflammable and explosive gas and dust enters brake inside so that it is quick-fried that brake produces spark generation in the course of the work
It is fried, there is potential safety hazard.
The content of the invention
It is an object of the invention to:For the defect of prior art, it is proposed that a kind of electric block of flame-proof type, this is electronic
Cucurbit is simple in construction, reasonable in design, perfectly solves when electric block decelerator internal gear is damaged, deadman's brake without
The shortcoming of method braking, while adding flame proof cylinder, it is to avoid potential safety hazard.
The technical solution adopted in the present invention is:A kind of electric block of flame-proof type, including shell, reel, planetary reduction gear
Device, flame proof cylinder and electromagnetic disc type brake, the head of shell are provided with explosion separation motor, and explosion separation motor passes through connecting plate for electric motor and shell
It is connected, reel is provided with shell, reel is supported by roll support device, roll support device is located at the end of reel,
The head of reel is provided with planetary reduction gear, and planetary reduction gear is connected by shaft coupling with explosion separation motor, the afterbody of reel provided with every
Electromagnetic disc type brake is provided with squib, flame proof cylinder, electromagnetic disc type brake is directly installed on the projecting shaft of reel tail end.
In the present invention:Described roll support device includes being provided with hole, aperture in the middle of supporting plate and support shaft, supporting plate
Identical with the diameter of axle of support shaft, support shaft is fixed together through the hole in the middle of supporting plate with supporting plate, wherein the support
The both sides of plate are provided with reinforcement, and the support shaft is provided with keyway, and keyway can coordinate with electromagnetic disc type brake plays braking
Effect.
In the present invention:The end of described electromagnetic disc type brake is provided with speed measuring coder and height limitator, tests the speed
Encoder and height limitator realize electromagnetic disc type brake and worked in the state of controllable.
In the present invention:Described electromagnetic disc type brake is provided with hand release, described hand release
It is connected including handwheel with flame proof cylinder.
In the present invention:Described planetary reduction gear is connected by decelerator interface with connecting plate for electric motor.
In the present invention:Described electromagnetic disc type brake is including the yoke for being fixedly connected with the base and for solid with rotating shaft
Fifth wheel even, rotor is equipped with the outer peripheral face of fifth wheel, is provided with corresponding with yoke in the side of the close yoke of rotor
The armature of cooperation, magnet coil is provided with the groove of the end face corresponding to armature of yoke, relative with armature in yoke
It is additionally provided with the end face answered along the axially extending spring mounting hole of yoke, compression spring is installed in spring mounting hole, it is described
Compression spring one end top pressure on the corresponding end face of the close yoke of armature, pass through the regulation on linkage through yoke
Connecting rod is connected with armature, and described linkage is connected with screw mandrel, and described screw mandrel is by handwheel control.
In the present invention:Described is provided with friction plate on the side that rotor connects with armature.
After adopting the above technical scheme, beneficial effects of the present invention are:
1. the present invention is simple in construction, reasonable in design, on the one hand planetary reduction gear and explosion separation motor are fixed at one end, electromagnetic disc type
Brake is fixed on the other end, perfectly solves when electric block planetary reduction gear internal gear is damaged, electromagnetic disc type system
The shortcoming that dynamic device can not be braked, on the other hand installs flame proof cylinder, speed measuring coder and height additional outside electromagnetic disc type brake and limits
Position device, effectively prevents flammable explosive gas and dust from entering in flame proof cylinder and electromagnetic disc type brake, speed measuring coder and height
Spend the spark reaction that limiter work produces and produce blast, it is to avoid potential safety hazard;
2. improve roll support device, the roll support device it is reasonable in design, it is simple in construction, can be braked with electromagnetic disc type
Device, which coordinates, plays braking action;
3. improving the setting of electromagnetic disc type brake, hand release is added, positive and negative rotation manual releasing can be passed through
The handwheel of device realizes the controllable state of friction rotor power size and rotor speed, is easy to implement larger braking moment.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is the structural representation of roll support device in the present invention;
Fig. 3 is the structural representation of electromagnetic disc type brake in the present invention;
Fig. 4 is the front view of electromagnetic disc type brake in the present invention.
In figure:1. shell;2. reel;3. explosion separation motor;4. shaft coupling;5. planetary reduction gear;6. decelerator interface;7. every
Squib;8. electromagnetic disc type brake;9. roll support device;10. connecting plate for electric motor;11. hand release;12. height is limited
Position device;13. speed measuring coder;14. support shaft;15. supporting plate;16. reinforcement;17. keyway;18. handwheel;19. screw mandrel;20.
Linkage;21. armature;22. rotor;23. compression spring;24. fifth wheel;25. adjust connecting rod;26. magnet coil;27. yoke
Iron;28. friction plate.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
From Fig. 1-4, a kind of electric block of flame-proof type, including shell 1, reel 2, planetary reduction gear 5, flame proof cylinder 7
With electromagnetic disc type brake 8, the head of shell 1 is provided with explosion separation motor 3, and explosion separation motor 3 passes through connecting plate for electric motor 10 and the phase of shell 1
Even, reel 2 is provided with shell 1, reel 2 is supported by roll support device 9, roll support device 9 is located at the end of reel 2
End, the head of reel 2 is provided with planetary reduction gear 5, and planetary reduction gear 5 is connected by shaft coupling 4 with explosion separation motor 3, the tail of reel 2
Portion is provided with flame proof cylinder 7, and flame proof cylinder 7 is interior to be provided with electromagnetic disc type brake 8, and electromagnetic disc type brake 8 is directly installed on the tail end of reel 2
Projecting shaft on.Described roll support device 9 includes being provided with hole, aperture in the middle of supporting plate 15 and support shaft 14, supporting plate 15
Identical with the diameter of axle of support shaft 14, support shaft 14 is fixed together through the hole in the middle of supporting plate 15 with supporting plate 15, wherein
The both sides of the supporting plate 15 be provided with reinforcement 16, the support shaft 14 be provided with keyway 17, keyway 17 can and electromagnetic disc type
Brake 8, which coordinates, plays braking action.The end of described electromagnetic disc type brake 8 is provided with speed measuring coder 13 and height limit
Device 12, speed measuring coder 13 and height limitator 12 realize electromagnetic disc type brake 8 and worked in the state of controllable.
Described electromagnetic disc type brake 8 is provided with hand release 11, and described hand release 11 includes hand
Wheel 18 is connected with flame proof cylinder 7;Described planetary reduction gear 5 is connected by decelerator interface 6 with connecting plate for electric motor 10.
Described electromagnetic disc type brake 8 includes the yoke 27 for being fixedly connected with the base and the connection for being connected with rotating shaft
Wheel 24, is equipped with rotor 22 on the outer peripheral face of fifth wheel 24, is provided with and yoke 27 in the side of the close yoke 27 of rotor 22
The armature 21 of corresponding matching, is provided with magnet coil 26, in yoke in the groove of the end face corresponding to armature 21 of yoke 27
It is additionally provided with along the axially extending spring mounting hole of yoke, is installed in spring mounting hole on 27 end face corresponding with armature 21
There is a compression spring 23, one end top pressure of described compression spring 23 is passed through on the corresponding end face of the close yoke 27 of armature 21
Yoke 27 is connected by the regulation connecting rod 25 on linkage 20 with armature 21, and described linkage 20 is connected with screw mandrel 19,
Described screw mandrel 19 is controlled by handwheel 18;Described is provided with friction plate 28 on the side that rotor 22 connects with armature 21.Implement
When, it is connected by the regulation connecting rod 25 on linkage 20 with armature 21, rotate counterclockwise handwheel 18 passes through the band of rotation hand wheel 18
The rotation of dynamic screw mandrel 19, and pass through the motion upwards of 19 drivening rod mechanisms 20 of screw mandrel so that the compression spring 23 of armature 21 and rotor
22 produce gap, so as to reduce frictional force, rotate rotor 22;Similarly understand, turn clockwise handwheel 18, passes through rotation hand wheel
18 drive the rotation of screw mandrel 19, and are moved downward by the drivening rod mechanism 20 of screw mandrel 19 so that armature 21 discharges compression spring
23, produce gap with rotor 22 and diminish, so that increasing friction force, makes rotor 22 stop the rotation.It can be seen that, moved positive and negative rotation handwheel
18, the controllable state of the frictional force size of rotor 22 and the rotating speed of rotor 22 is realized, larger braking moment is easy to implement.
The embodiment to the present invention is described above, but the present invention is not limited to above description.For this
For the technical staff in field, any equal modifications and substitutions to the technical program are all within the scope of the invention.Cause
This, the impartial conversion and modification made without departing from the spirit and scope of the invention all should be contained within the scope of the invention.
Claims (7)
1. a kind of electric block of flame-proof type, it is characterised in that:Including shell, reel, planetary reduction gear, flame proof cylinder and electromagnetic disc
Formula brake, the head of shell is provided with explosion separation motor, and explosion separation motor is connected by connecting plate for electric motor with shell, provided with volume in shell
Cylinder, reel is supported by roll support device, and roll support device is located at the end of reel, and the head of reel is provided with planet
Decelerator, planetary reduction gear is connected by shaft coupling with explosion separation motor, and the afterbody of reel is provided with flame proof cylinder, and flame proof cylinder is interior provided with electricity
Magnetic disc type brake, electromagnetic disc type brake is directly installed on the projecting shaft of reel tail end.
2. a kind of electric block of flame-proof type according to claim 1, it is characterised in that:Described roll support device bag
Include and hole is provided with the middle of supporting plate and support shaft, supporting plate, aperture is identical with the diameter of axle of support shaft, support shaft is passed through in the middle of supporting plate
Hole, and be fixed together with supporting plate, wherein the both sides of the supporting plate are provided with reinforcement, the support shaft is provided with key
Groove, keyway can coordinate with electromagnetic disc type brake plays braking action.
3. a kind of electric block of flame-proof type according to claim 1, it is characterised in that:Described electromagnetic disc type brake
End be provided with speed measuring coder and height limitator, speed measuring coder and height limitator realize electromagnetic disc type brake and existed
Worked in the state of controllable.
4. a kind of electric block of flame-proof type according to claim 1, it is characterised in that:Described electromagnetic disc type brake
Hand release is provided with, described hand release includes handwheel and is connected with flame proof cylinder.
5. a kind of electric block of flame-proof type according to claim 1, it is characterised in that:Described planetary reduction gear passes through
Decelerator interface is connected with connecting plate for electric motor.
6. a kind of electric block of flame-proof type according to claim 4, it is characterised in that:Described electromagnetic disc type brake
Fifth wheel including the yoke for being fixedly connected with the base and for being connected with rotating shaft, is equipped with the outer peripheral face of fifth wheel and turns
Son, rotor close yoke side provided with armature with yoke corresponding matching, in the end face corresponding to armature of yoke
Magnet coil is provided with groove, is additionally provided with the end face corresponding with armature of yoke along the axially extending spring of yoke
Mounting hole, compression spring is provided with spring mounting hole, the close yoke of one end top pressure of described compression spring in armature
On correspondence end face, it is connected through yoke by the regulation connecting rod on linkage with armature, described linkage and screw mandrel phase
Even, described screw mandrel is by handwheel control.
7. a kind of electric block of flame-proof type according to claim 6, it is characterised in that:It is described in rotor and armature phase
The side connect is provided with friction plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710598809.2A CN107235427A (en) | 2017-07-21 | 2017-07-21 | A kind of electric block of flame-proof type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710598809.2A CN107235427A (en) | 2017-07-21 | 2017-07-21 | A kind of electric block of flame-proof type |
Publications (1)
Publication Number | Publication Date |
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CN107235427A true CN107235427A (en) | 2017-10-10 |
Family
ID=59988149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710598809.2A Pending CN107235427A (en) | 2017-07-21 | 2017-07-21 | A kind of electric block of flame-proof type |
Country Status (1)
Country | Link |
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CN (1) | CN107235427A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108128722A (en) * | 2018-01-30 | 2018-06-08 | 无锡石油化工起重机有限公司 | Has the explosion-proof electric hoist from fire-extinguishing function concurrently |
CN109319680A (en) * | 2018-12-18 | 2019-02-12 | 宁波市海翔远洋捕捞用具有限公司 | A kind of fishery fishing parked device of electromagnetic type capstan winch |
CN110282570A (en) * | 2019-07-25 | 2019-09-27 | 江苏省特种设备安全监督检验研究院 | Interior translation electric block winding plant and its working method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200958021Y (en) * | 2006-09-26 | 2007-10-10 | 天津起重设备有限公司 | Electric hoist with safety brake |
CN203516554U (en) * | 2013-09-18 | 2014-04-02 | 上海德驱驰电气有限公司 | Motor brake |
CN205678032U (en) * | 2016-06-17 | 2016-11-09 | 诸暨市迅捷离合器有限公司 | The adjustable electricity loss brake in a kind of dish position |
CN206940309U (en) * | 2017-07-21 | 2018-01-30 | 南京神天起重机械设备有限公司 | A kind of electric block of flame-proof type |
-
2017
- 2017-07-21 CN CN201710598809.2A patent/CN107235427A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200958021Y (en) * | 2006-09-26 | 2007-10-10 | 天津起重设备有限公司 | Electric hoist with safety brake |
CN203516554U (en) * | 2013-09-18 | 2014-04-02 | 上海德驱驰电气有限公司 | Motor brake |
CN205678032U (en) * | 2016-06-17 | 2016-11-09 | 诸暨市迅捷离合器有限公司 | The adjustable electricity loss brake in a kind of dish position |
CN206940309U (en) * | 2017-07-21 | 2018-01-30 | 南京神天起重机械设备有限公司 | A kind of electric block of flame-proof type |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108128722A (en) * | 2018-01-30 | 2018-06-08 | 无锡石油化工起重机有限公司 | Has the explosion-proof electric hoist from fire-extinguishing function concurrently |
CN109319680A (en) * | 2018-12-18 | 2019-02-12 | 宁波市海翔远洋捕捞用具有限公司 | A kind of fishery fishing parked device of electromagnetic type capstan winch |
CN110282570A (en) * | 2019-07-25 | 2019-09-27 | 江苏省特种设备安全监督检验研究院 | Interior translation electric block winding plant and its working method |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171010 |
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RJ01 | Rejection of invention patent application after publication |