CN105347224A - Manual opening device of roller brake of crane hoisting mechanism - Google Patents
Manual opening device of roller brake of crane hoisting mechanism Download PDFInfo
- Publication number
- CN105347224A CN105347224A CN201510923195.1A CN201510923195A CN105347224A CN 105347224 A CN105347224 A CN 105347224A CN 201510923195 A CN201510923195 A CN 201510923195A CN 105347224 A CN105347224 A CN 105347224A
- Authority
- CN
- China
- Prior art keywords
- brake
- camshaft
- hoisting mechanism
- spring
- crane hoisting
- 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.)
- Granted
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Classifications
-
- 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
- B66D5/24—Operating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/03—Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure
Abstract
The invention relates to a manual opening device of a roller brake of a crane hoisting mechanism. The manual opening device comprises a roller, wherein the roller is provided with a fixed plate; the right side surface of the fixed plate is provided with connecting plates; the connecting plates are connected with a U-shaped bracket; the side walls of the U-shaped bracket are embedded with spring brackets; each spring bracket is connected with an adjusting rod; the outer wall of each adjusting rod is sleeved with a nut; a stop piece and a spring are arranged in each spring bracket; each spring is connected with a brake shoe; the middle part of the fixed plate is connected with a cam shaft bracket; a cam shaft is embedded in the cam shaft bracket; a spline tooth is arranged at one end of the cam shaft; the left part of the cam shaft is connected with a brake arm; a tooth ring is arranged at the left part of the brake arm, and is provided with inner teeth, outer teeth and a ball groove; the upper part of the brake arm is connected with a worm rod; a connecting hole is formed in the right part of the brake arm; the brake arm is connected with a fixed rod; the right part of the cam shaft is sleeved with a cam; and the outer wall of the right end of the cam shaft is sleeved with a wear resisting sleeve. The manual opening device has the advantages of simple structure, low operation cost, wide application and safe braking.
Description
Technical field
The invention belongs to technical field of crane equipment, be specifically related to a kind of manual unlocking device of crane hoisting mechanism roll brake.
Background technology
For production hoisting crane, braking for cylinder all adopts electrodynamic braking mode at present, and when needs stop utilizing electronic pusher to drive brake shoe to make cylinder quit work during braking to cylinder, there is certain drawback in this drg, be mainly manifested in drg to only have and could normally make cylinder quit work in the energized state, when actuator is on the downside of off-position can not the start-stop work of index drum normally, like this when cylinder lifting weight, if the unexpected power-off of drg, be difficult to ensure that weight can not fall, the generation that even may cause the accident, great economic loss is brought to enterprise, the life security of serious threat workman, this is developed to a kind of structure simple, operating cost is low, of many uses, the manual unlocking device tool of the crane hoisting mechanism roll brake of brake safe is of great significance.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, and provide that a kind of structure is simple, operating cost is low, the manual unlocking device of the crane hoisting mechanism roll brake of of many uses, brake safe.
The object of the present invention is achieved like this: a kind of manual unlocking device of crane hoisting mechanism roll brake, it comprises cylinder, one end of described cylinder is provided with adapter plate, the right flank on described adapter plate top is provided with connecting panel, described connecting panel has been bolted U-shaped support, on the sidewall of described U-shaped support, interlocking has spring bearing, one end of described spring bearing has been threaded connection adjust bar, the outer wall of described adjust bar is socketed with nut, catch and spring is disposed with from the inside to the outside in spring bearing, the other end of described spring is connected with brake shoe, left surface in the middle part of adapter plate has been connected by screw camshaft support, described camshaft support is embedded is connected to camshaft, the outer wall of described camshaft one end is provided with spline tooth, the left part of camshaft is connected with brake arm, that the left part of described brake arm is provided with ball clamping and the gear ring be meshed with spline tooth, described gear ring is provided with internal tooth, external tooth and ball grooves, the top of brake arm is connected with the worm screw be meshed with external tooth by bearing, the right part of brake arm is provided with connecting bore, brake arm is connected with fixed link, described fixed link is connected with adapter plate, the outer wall of camshaft right part is socketed with the cam matched with brake shoe, the outer wall of camshaft right-hand member is socketed with wear-resistant sleeve, described wear-resistant sleeve is connected with U-shaped support by screw.
Described connecting panel is L-type structure, and connecting panel is connected with adapter plate by the mode of welding.
The quantity of described brake shoe is two, and is separately positioned on the both sides of cam.
The quantity of described spring bearing is two, and is symmetricly set on respectively on the two side of U-shaped support.
Described cam is fixedly connected with camshaft by screw.
Described spring is in compressive state.
The middle part of described cam is provided with strip through-hole.
The thick column that described camshaft sets gradually from left to right, cuboid part and thin column composition, the structure and thick column, cuboid part and thin column are formed in one.
Beneficial effect of the present invention: the present invention in use, when needs lifting heavy goods, gear ring is driven to rotate by rotary worm, when gear ring rotates, gear ring drives camshaft to rotate, because camshaft is fixedly connected with cam by screw, as the cam shaft rotates, camshaft band moving cam rotates, thus the brake shoe of cam both sides is opened, when brake shoe is opened, cylinder is in removes locking state, and then utilize cylinder normally to hoist weight, brake arm is connected with camshaft with spline by gear ring, this connection mode actv. prevents the slip between brake arm and camshaft, prevent the generation of skidding, the setting of camshaft support is the installation of conveniently camshaft and fixes, increase the area of contact between camshaft and adapter plate, the setting of wear-resistant sleeve is the friction in order to reduce between camshaft and U-shaped support, extend the service life of camshaft, reduce operating cost, when needs brake drum, manual rotation worm screw, worm screw drives camshaft to rotate by gear ring, camshaft band moving cam rotates as the cam shaft rotates, thus brake shoe is closed, brake shoe utilizes the bounce of spring by cylinder locking, thus cylinder quits work, even if this set is under unexpected powering-off state, also the closed contact of cylinder can not be affected, actv. prevents the possibility of weight-drop, avoiding is the generation of accident, this set structure is simple, easy to use, safety performance is high, the setting of spring bearing is the fixing of conveniently spring, the setting of adjust bar is the pressure in order to regulating spring, when in use there are wearing and tearing in brake shoe, adjustment by adjust bar readjusts the pressure of spring, make brake shoe by cylinder locking, it is simple that the present invention has structure, operating cost is low, of many uses, the advantage of brake safe.
Accompanying drawing explanation
Fig. 1 is the birds-eye view of the manual unlocking device of a kind of crane hoisting mechanism roll brake of the present invention.
Fig. 2 is the spring bearing of manual unlocking device and the connection structure schematic diagram of adjust bar of a kind of crane hoisting mechanism roll brake of the present invention.
Fig. 3 is the structural representation of the brake arm of the manual unlocking device of a kind of crane hoisting mechanism roll brake of the present invention.
Fig. 4 is the front view of the camshaft of the manual unlocking device of a kind of crane hoisting mechanism roll brake of the present invention.
Fig. 5 is the lateral plan of the camshaft of the manual unlocking device of a kind of crane hoisting mechanism roll brake of the present invention.
Fig. 6 is the structural representation of the cam of the manual unlocking device of a kind of crane hoisting mechanism roll brake of the present invention.
Fig. 7 is the front view of the gear ring of the manual unlocking device of a kind of crane hoisting mechanism roll brake of the present invention.
Fig. 8 is the lateral plan of the gear ring of the manual unlocking device of a kind of crane hoisting mechanism roll brake of the present invention.
In figure: 1, cylinder 2, adapter plate 3, connecting panel 4, U-shaped support 5, spring bearing 6, adjust bar 7, nut 8, catch 9, spring 10, brake shoe 11, camshaft support 12, camshaft 13, spline tooth 14, brake arm 15, gear ring 16, internal tooth 17, external tooth 18, ball grooves 19, worm screw 20, connecting bore 21, fixed link 22, cam 23, wear-resistant sleeve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.
Embodiment 1
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7 and Fig. 8, a kind of manual unlocking device of crane hoisting mechanism roll brake, it comprises cylinder 1, one end of described cylinder 1 is provided with adapter plate 2, the right flank on described adapter plate 2 top is provided with connecting panel 3, described connecting panel 3 has been bolted U-shaped support 4, on the sidewall of described U-shaped support 4, interlocking has spring bearing 5, one end of described spring bearing 5 has been threaded connection adjust bar 6, the outer wall of described adjust bar 6 is socketed with nut 7, catch 8 and spring 9 is disposed with from the inside to the outside in spring bearing 5, the other end of described spring 9 is connected with brake shoe 10, left surface in the middle part of adapter plate 2 is connected by screw camshaft support 11, described camshaft support 11 is embedded is connected to camshaft 12, the outer wall of described camshaft 12 one end is provided with spline tooth 13, the left part of camshaft 12 is connected with brake arm 14, that the left part of described brake arm 14 is provided with ball clamping and the gear ring 15 be meshed with spline tooth 13, described gear ring 15 is provided with internal tooth 16, external tooth 17 and ball grooves 18, the top of brake arm 14 is connected with the worm screw 19 be meshed with external tooth 17 by bearing, the right part of brake arm 14 is provided with connecting bore 20, brake arm 14 is connected with fixed link 21, described fixed link 21 is connected with adapter plate 2, the outer wall of camshaft 12 right part is socketed with the cam 22 matched with brake shoe 10, the outer wall of cam 22 axle right-hand member is socketed with wear-resistant sleeve 23, described wear-resistant sleeve 23 is connected with U-shaped support 4 by screw.
The present invention in use, when needs lifting heavy goods, gear ring is driven to rotate by rotary worm, when gear ring rotates, gear ring drives camshaft to rotate, because camshaft is fixedly connected with cam by screw, as the cam shaft rotates, camshaft band moving cam rotates, thus the brake shoe of cam both sides is opened, when brake shoe is opened, cylinder is in removes locking state, and then utilize cylinder normally to hoist weight, brake arm is connected with camshaft with spline by gear ring, this connection mode actv. prevents the slip between brake arm and camshaft, prevent the generation of skidding, the setting of camshaft support is the installation of conveniently camshaft and fixes, increase the area of contact between camshaft and adapter plate, the setting of wear-resistant sleeve is the friction in order to reduce between camshaft and U-shaped support, extend the service life of camshaft, reduce operating cost, when needs brake drum, manual rotation worm screw, worm screw drives camshaft to rotate by gear ring, camshaft band moving cam rotates as the cam shaft rotates, thus brake shoe is closed, brake shoe utilizes the bounce of spring by cylinder locking, thus cylinder quits work, even if this set is under unexpected powering-off state, also the closed contact of cylinder can not be affected, actv. prevents the possibility of weight-drop, avoiding is the generation of accident, this set structure is simple, easy to use, safety performance is high, the setting of spring bearing is the fixing of conveniently spring, the setting of adjust bar is the pressure in order to regulating spring, when in use there are wearing and tearing in brake shoe, adjustment by adjust bar readjusts the pressure of spring, make brake shoe by cylinder locking, it is simple that the present invention has structure, operating cost is low, of many uses, the advantage of brake safe.
Embodiment 2
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7 and Fig. 8, a kind of manual unlocking device of crane hoisting mechanism roll brake, it comprises cylinder 1, one end of described cylinder 1 is provided with adapter plate 2, the right flank on described adapter plate 2 top is provided with connecting panel 3, described connecting panel 3 has been bolted U-shaped support 4, on the sidewall of described U-shaped support 4, interlocking has spring bearing 5, one end of described spring bearing 5 has been threaded connection adjust bar 6, the outer wall of described adjust bar 6 is socketed with nut 7, catch 8 and spring 9 is disposed with from the inside to the outside in spring bearing 5, the other end of described spring 9 is connected with brake shoe 10, left surface in the middle part of adapter plate 2 is connected by screw camshaft support 11, described camshaft support 11 is embedded is connected to camshaft 12, the outer wall of described camshaft 12 one end is provided with spline tooth 13, the left part of camshaft 12 is connected with brake arm 14, that the left part of described brake arm 14 is provided with ball clamping and the gear ring 15 be meshed with spline tooth 13, described gear ring 15 is provided with internal tooth 16, external tooth 17 and ball grooves 18, the top of brake arm 14 is connected with the worm screw 19 be meshed with external tooth 17 by bearing, the right part of brake arm 14 is provided with connecting bore 20, brake arm 14 is connected with fixed link 21, described fixed link 21 is connected with adapter plate 2, the outer wall of camshaft 12 right part is socketed with the cam 22 matched with brake shoe 10, the outer wall of cam 22 axle right-hand member is socketed with wear-resistant sleeve 23, described wear-resistant sleeve 23 is connected with U-shaped support 4 by screw, described connecting panel 3 is L-type structure, and connecting panel 3 is connected with adapter plate 2 by the mode of welding, the quantity of described brake shoe 10 is two, and be separately positioned on the both sides of cam 22, the quantity of described spring bearing 5 is two, and be symmetricly set on the two side of U-shaped support 4 respectively, described cam 22 is fixedly connected with camshaft 12 by screw, described spring 9 is in compressive state, the middle part of described cam 22 is provided with strip through-hole, the thick column that described camshaft sets gradually from left to right, cuboid part and thin column composition, and thick column, cuboid part and thin column are formed in one structure.
The present invention in use, when needs lifting heavy goods, gear ring is driven to rotate by rotary worm, when gear ring rotates, gear ring drives camshaft to rotate, because camshaft is fixedly connected with cam by screw, as the cam shaft rotates, camshaft band moving cam rotates, thus the brake shoe of cam both sides is opened, when brake shoe is opened, cylinder is in removes locking state, and then utilize cylinder normally to hoist weight, brake arm is connected with camshaft with spline by gear ring, this connection mode actv. prevents the slip between brake arm and camshaft, prevent the generation of skidding, the setting of camshaft support is the installation of conveniently camshaft and fixes, increase the area of contact between camshaft and adapter plate, the setting of wear-resistant sleeve is the friction in order to reduce between camshaft and U-shaped support, extend the service life of camshaft, reduce operating cost, when needs brake drum, manual rotation worm screw, worm screw drives camshaft to rotate by gear ring, camshaft band moving cam rotates as the cam shaft rotates, thus brake shoe is closed, brake shoe utilizes the bounce of spring by cylinder locking, thus cylinder quits work, even if this set is under unexpected powering-off state, also the closed contact of cylinder can not be affected, actv. prevents the possibility of weight-drop, avoiding is the generation of accident, this set structure is simple, easy to use, safety performance is high, the setting of spring bearing is the fixing of conveniently spring, the setting of adjust bar is the pressure in order to regulating spring, when in use there are wearing and tearing in brake shoe, adjustment by adjust bar readjusts the pressure of spring, make brake shoe by cylinder locking, it is simple that the present invention has structure, operating cost is low, of many uses, the advantage of brake safe.
Claims (8)
1. the manual unlocking device of a crane hoisting mechanism roll brake, it comprises cylinder, it is characterized in that: one end of described cylinder is provided with adapter plate, the right flank on described adapter plate top is provided with connecting panel, described connecting panel has been bolted U-shaped support, on the sidewall of described U-shaped support, interlocking has spring bearing, one end of described spring bearing has been threaded connection adjust bar, the outer wall of described adjust bar is socketed with nut, catch and spring is disposed with from the inside to the outside in spring bearing, the other end of described spring is connected with brake shoe, left surface in the middle part of adapter plate has been connected by screw camshaft support, described camshaft support is embedded is connected to camshaft, the outer wall of described camshaft one end is provided with spline tooth, the left part of camshaft is connected with brake arm, that the left part of described brake arm is provided with ball clamping and the gear ring be meshed with spline tooth, described gear ring is provided with internal tooth, external tooth and ball grooves, the top of brake arm is connected with the worm screw be meshed with external tooth by bearing, the right part of brake arm is provided with connecting bore, brake arm is connected with fixed link, described fixed link is connected with adapter plate, the outer wall of camshaft right part is socketed with the cam matched with brake shoe, the outer wall of camshaft right-hand member is socketed with wear-resistant sleeve, described wear-resistant sleeve is connected with U-shaped support by screw.
2. the manual unlocking device of a kind of crane hoisting mechanism roll brake as claimed in claim 1, is characterized in that: described connecting panel is L-type structure, and connecting panel is connected with adapter plate by the mode of welding.
3. the manual unlocking device of a kind of crane hoisting mechanism roll brake as claimed in claim 1, is characterized in that: the quantity of described brake shoe is two, and is separately positioned on the both sides of cam.
4. the manual unlocking device of a kind of crane hoisting mechanism roll brake as claimed in claim 1, is characterized in that: the quantity of described spring bearing is two, and is symmetricly set on respectively on the two side of U-shaped support.
5. the manual unlocking device of a kind of crane hoisting mechanism roll brake as claimed in claim 1, is characterized in that: described cam is fixedly connected with camshaft by screw.
6. the manual unlocking device of a kind of crane hoisting mechanism roll brake as claimed in claim 1, is characterized in that: described spring is in compressive state.
7. the manual unlocking device of a kind of crane hoisting mechanism roll brake as claimed in claim 1, is characterized in that: the middle part of described cam is provided with strip through-hole.
8. the manual unlocking device of a kind of crane hoisting mechanism roll brake as claimed in claim 1, it is characterized in that: the thick column that described camshaft sets gradually from left to right, cuboid part and thin column composition, the structure and thick column, cuboid part and thin column are formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923195.1A CN105347224B (en) | 2015-12-14 | 2015-12-14 | A kind of manual unlocking device of crane hoisting mechanism roll brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923195.1A CN105347224B (en) | 2015-12-14 | 2015-12-14 | A kind of manual unlocking device of crane hoisting mechanism roll brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105347224A true CN105347224A (en) | 2016-02-24 |
| CN105347224B CN105347224B (en) | 2018-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510923195.1A Active CN105347224B (en) | 2015-12-14 | 2015-12-14 | A kind of manual unlocking device of crane hoisting mechanism roll brake |
Country Status (1)
| Country | Link |
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| CN (1) | CN105347224B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5228540A (en) * | 1992-07-24 | 1993-07-20 | Hollister-Whitney Elevator Corp. | Elevator car brake with shoes actuated by springs |
| CN2504246Y (en) * | 2001-09-20 | 2002-08-07 | 韩俊陆 | Single drum winch |
| CN1657398A (en) * | 2005-03-03 | 2005-08-24 | 朱思中 | Wire rope braking device |
| CN103527680A (en) * | 2013-10-30 | 2014-01-22 | 十堰市华迪汽车零部件有限公司 | Drum brake for rear axle of lorry |
| CN103979379A (en) * | 2014-06-06 | 2014-08-13 | 浙江工业大学之江学院 | Elevator brake performance whole process real-time monitoring control system and using method |
| CN104495678A (en) * | 2014-12-25 | 2015-04-08 | 森赫电梯股份有限公司 | Intelligent self-detection brake for traction machine |
| CN205294707U (en) * | 2015-12-14 | 2016-06-08 | 河南恒远恒山工业有限公司 | Hoist hoisting mechanism drum brake's manual opening device |
-
2015
- 2015-12-14 CN CN201510923195.1A patent/CN105347224B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5228540A (en) * | 1992-07-24 | 1993-07-20 | Hollister-Whitney Elevator Corp. | Elevator car brake with shoes actuated by springs |
| CN2504246Y (en) * | 2001-09-20 | 2002-08-07 | 韩俊陆 | Single drum winch |
| CN1657398A (en) * | 2005-03-03 | 2005-08-24 | 朱思中 | Wire rope braking device |
| CN103527680A (en) * | 2013-10-30 | 2014-01-22 | 十堰市华迪汽车零部件有限公司 | Drum brake for rear axle of lorry |
| CN103979379A (en) * | 2014-06-06 | 2014-08-13 | 浙江工业大学之江学院 | Elevator brake performance whole process real-time monitoring control system and using method |
| CN104495678A (en) * | 2014-12-25 | 2015-04-08 | 森赫电梯股份有限公司 | Intelligent self-detection brake for traction machine |
| CN205294707U (en) * | 2015-12-14 | 2016-06-08 | 河南恒远恒山工业有限公司 | Hoist hoisting mechanism drum brake's manual opening device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105347224B (en) | 2018-03-20 |
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