CN107235427A - A kind of electric block of flame-proof type - Google Patents

A kind of electric block of flame-proof type Download PDF

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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
Application number
CN201710598809.2A
Other languages
Chinese (zh)
Inventor
毛有顺
邵冬保
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANJING SHENTIAN HOISTING MACHINERY EQUIPMENT Co Ltd
Original Assignee
NANJING SHENTIAN HOISTING MACHINERY EQUIPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NANJING SHENTIAN HOISTING MACHINERY EQUIPMENT Co Ltd filed Critical NANJING SHENTIAN HOISTING MACHINERY EQUIPMENT Co Ltd
Priority to CN201710598809.2A priority Critical patent/CN107235427A/en
Publication of CN107235427A publication Critical patent/CN107235427A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/14Power transmissions between power sources and drums or barrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54Safety gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/12Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
    • B66D5/14Crane, 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

A kind of electric block of flame-proof type
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.
CN201710598809.2A 2017-07-21 2017-07-21 A kind of electric block of flame-proof type Pending CN107235427A (en)

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
CN107235427A true CN107235427A (en) 2017-10-10

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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
CN (1) CN107235427A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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Application publication date: 20171010

RJ01 Rejection of invention patent application after publication