CN205294708U - Hoist hoisting mechanism drum brake's electronic opening device - Google Patents
Hoist hoisting mechanism drum brake's electronic opening device Download PDFInfo
- Publication number
- CN205294708U CN205294708U CN201521033784.4U CN201521033784U CN205294708U CN 205294708 U CN205294708 U CN 205294708U CN 201521033784 U CN201521033784 U CN 201521033784U CN 205294708 U CN205294708 U CN 205294708U
- Authority
- CN
- China
- Prior art keywords
- camshaft
- brake
- spring
- arm
- hoisting mechanism
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a hoist hoisting mechanism drum brake's electronic opening device, which comprises a roller, the cylinder is equipped with the fixed plate, the fixed plate right flank is equipped with the connecting plate, the connecting plate even has U type support, U type support scarf joint has spring support, spring support even has the regulation pole, it has cup jointed the nut to adjust the pole outer wall, be equipped with separation blade and spring in the spring support, the other end of spring even has the brake hoof, fixed plate middle part left surface even has the camshaft support, the scarf joint has the camshaft in the camshaft support, camshaft one end is equipped with the spline tooth, the left part of camshaft even has the brake arm, the left part of brake arm is equipped with the ring gear, brake arm right part is equipped with the connecting hole, the brake arm even has the pusher arm, the pusher arm even has the impeller, the cam has been cup jointed on the outer wall of camshaft right part, wear -resisting cover has been cup jointed on the outer wall of camshaft right -hand member, wear -resisting cover passes through screw and U type leg joint, the utility model has the advantages of simple structure, running cost hang down, the usage is extensive, braking safety.
Description
Technical field
This utility model belongs to technical field of crane equipment, is specifically related to the electronic device for opening of a kind of crane hoisting mechanism roll brake.
Background technology
For producing crane, braking for cylinder all adopts electrodynamic braking mode at present, and utilize electronic pusher to drive brake shoe to make cylinder quit work when cylinder is stopped braking by needs, there is certain drawback in this brake, being mainly manifested in brake only could normally make cylinder quit work in the energized state, when trigger is in the start-stop work that can not control cylinder on the downside of off-position normally, so when cylinder lifts weight, if the unexpected power-off of brake, it is difficult to ensure that weight will not fall, the generation possibly even caused the accident, great economic loss is brought to enterprise, the life security of serious threat workman, to a kind of simple in construction of this exploitation, operating cost is low, of many uses, the electronic device for opening tool of the crane hoisting mechanism roll brake of brake safe is of great significance.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides that a kind of simple in construction, operating cost is low, of many uses, the electronic device for opening of the crane hoisting mechanism roll brake of brake safe.
The purpose of this utility model is achieved in that the electronic device for opening of a kind of crane hoisting mechanism roll brake, it includes cylinder, one end of described cylinder is provided with fixing plate, the right flank on described fixing plate top is provided with connecting plate, described connecting plate has been bolted U-shaped support, on the sidewall of described U-shaped support, interlocking has spring fastening, one end of described spring fastening has been threaded connection adjusting rod, the outer wall of described adjusting rod is socketed with nut, catch and spring it is disposed with from the inside to the outside in spring fastening, the other end of described spring is connected to brake shoe, left surface in the middle part of fixing 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 to brake arm, the left part of described brake arm is provided with the gear ring matched with spline tooth, the right part of brake arm is provided with connecting hole, brake arm has been bolted promotion arm, described promotion arm is connected to pusher by bearing pin, 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 plate is L-type structure, and connecting plate is connected with fixing plate by the mode welded.
The quantity of described brake shoe is two, and is separately positioned on the both sides of cam.
The quantity of described spring fastening is two, and is symmetrically arranged on the two side of U-shaped support.
Described cam is connected by screw and camshaft are fixing.
Described spring is in compressive state.
The middle part of described cam is provided with strip through-hole.
The beneficial effects of the utility model: this utility model is in use, when needs lifting heavy goods, utilize pusher by promoting the dynamic brake arm of arm straps to run up, when brake arm works, brake arm drives camshaft to rotate, owing to camshaft is connected by screw and cam are fixing, as the cam shaft rotates, camshaft drives cam rotation, thus the brake shoe by cam both sides is opened, when brake shoe is opened, cylinder is in releasing locking state, and then utilize cylinder normally to hoist weight, brake arm is connected with camshaft by gear ring and spline, this connected mode is effectively prevented the slip between brake arm and camshaft, prevent the generation of skidding, being disposed to of camshaft support facilitates the installation of camshaft and fixing, increase the contact area between camshaft and fixing plate, the friction being disposed between reduction camshaft and U-shaped support of wear-resistant sleeve, extend the service life of camshaft, reduce operating cost, when needs brake drum, pusher runs downwards by promoting the dynamic brake arm of arm straps, thus brake arm drives cam axle, and then the brake shoe of cam both sides is closed, when 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, pusher quits work, after losing the thrust of cam due to spring, it is in the spring under compressive state under the effect of self bounce, brake shoe can be closed equally, thus by cylinder locking, it is effectively prevented the probability of weight-drop, avoiding is the generation of accident, this set simple in construction, easy to use, security performance is high, being disposed to of spring fastening facilitates the fixing of spring, the pressure being disposed to adjustment spring of adjusting rod, when in use there is abrasion in brake shoe, the pressure of spring can be readjusted by the adjustment of adjusting rod, make brake shoe by cylinder locking, this utility model has simple in construction, operating cost is low, of many uses, the advantage of brake safe.
Accompanying drawing explanation
Fig. 1 is the top view of the electronic device for opening of this utility model a kind of crane hoisting mechanism roll brake.
Fig. 2 is the spring fastening attachment structure schematic diagram with adjusting rod of the electronic device for opening of this utility model a kind of crane hoisting mechanism roll brake.
Fig. 3 is the structural representation of the brake arm of the electronic device for opening of this utility model a kind of crane hoisting mechanism roll brake.
Fig. 4 is the front view of the camshaft of the electronic device for opening of this utility model a kind of crane hoisting mechanism roll brake.
Fig. 5 is the side view of the camshaft of the electronic device for opening of this utility model a kind of crane hoisting mechanism roll brake.
Fig. 6 is the structural representation of the cam of the electronic device for opening of this utility model a kind of crane hoisting mechanism roll brake.
In figure: 1, cylinder 2, fixing plate 3, connecting plate 4, U-shaped support 5, spring fastening 6, adjusting rod 7, nut 8, catch 9, spring 10, brake shoe 11, camshaft support 12, camshaft 13, spline tooth 14, brake arm 15, gear ring 16, connecting hole 17, promote arm 18, pusher 19, cam 20, wear-resistant sleeve.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further.
Embodiment 1
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, a kind of electronic device for opening of crane hoisting mechanism roll brake, it includes cylinder 1, one end of described cylinder 1 is provided with fixing plate 2, the right flank on described fixing plate 2 top is provided with connecting plate 3, described connecting plate 3 has been bolted U-shaped support 4, on the sidewall of described U-shaped support 4, interlocking has spring fastening 5, one end of described spring fastening 5 has been threaded connection adjusting rod 6, the outer wall of described adjusting rod 6 is socketed with nut 7, catch 8 and spring 9 it is disposed with from the inside to the outside in spring fastening 5, the other end of described spring 9 is connected to brake shoe 10, left surface in the middle part of fixing plate 2 has been 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 to brake arm 14, the left part of described brake arm 14 is provided with the gear ring 15 matched with spline tooth 13, the right part of brake arm 14 is provided with connecting hole 16, brake arm 14 has been bolted promotion arm 17, described promotion arm 17 is connected to pusher 18 by bearing pin, the outer wall of camshaft 12 right part is socketed with the cam 19 matched with brake shoe 10, the outer wall of camshaft 12 right-hand member is socketed with wear-resistant sleeve 20, described wear-resistant sleeve 20 is connected with U-shaped support 4 by screw.
This utility model is in use, when needs lifting heavy goods, utilize pusher by promoting the dynamic brake arm of arm straps to run up, when brake arm works, brake arm drives camshaft to rotate, owing to camshaft is connected by screw and cam are fixing, as the cam shaft rotates, camshaft drives cam rotation, thus the brake shoe by cam both sides is opened, when brake shoe is opened, cylinder is in releasing locking state, and then utilize cylinder normally to hoist weight, brake arm is connected with camshaft by gear ring and spline, this connected mode is effectively prevented the slip between brake arm and camshaft, prevent the generation of skidding, being disposed to of camshaft support facilitates the installation of camshaft and fixing, increase the contact area between camshaft and fixing plate, the friction being disposed between reduction camshaft and U-shaped support of wear-resistant sleeve, extend the service life of camshaft, reduce operating cost, when needs brake drum, pusher runs downwards by promoting the dynamic brake arm of arm straps, thus brake arm drives cam axle, and then the brake shoe of cam both sides is closed, when 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, pusher quits work, after losing the thrust of cam due to spring, it is in the spring under compressive state under the effect of self bounce, brake shoe can be closed equally, thus by cylinder locking, it is effectively prevented the probability of weight-drop, avoiding is the generation of accident, this set simple in construction, easy to use, security performance is high, being disposed to of spring fastening facilitates the fixing of spring, the pressure being disposed to adjustment spring of adjusting rod, when in use there is abrasion in brake shoe, the pressure of spring can be readjusted by the adjustment of adjusting rod, make brake shoe by cylinder locking, this utility model has simple in construction, operating cost is low, of many uses, the advantage of brake safe.
Embodiment 2
Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, a kind of electronic device for opening of crane hoisting mechanism roll brake, it includes cylinder 1, one end of described cylinder 1 is provided with fixing plate 2, the right flank on described fixing plate 2 top is provided with connecting plate 3, described connecting plate 3 has been bolted U-shaped support 4, on the sidewall of described U-shaped support 4, interlocking has spring fastening 5, one end of described spring fastening 5 has been threaded connection adjusting rod 6, the outer wall of described adjusting rod 6 is socketed with nut 7, catch 8 and spring 9 it is disposed with from the inside to the outside in spring fastening 5, the other end of described spring 9 is connected to brake shoe 10, left surface in the middle part of fixing plate 2 has been 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 to brake arm 14, the left part of described brake arm 14 is provided with the gear ring 15 matched with spline tooth 13, the right part of brake arm 14 is provided with connecting hole 16, brake arm 14 has been bolted promotion arm 17, described promotion arm 17 is connected to pusher 18 by bearing pin, the outer wall of camshaft 12 right part is socketed with the cam 19 matched with brake shoe 10, the outer wall of camshaft 12 right-hand member is socketed with wear-resistant sleeve 20, described wear-resistant sleeve 20 is connected with U-shaped support 4 by screw, described connecting plate 3 is L-type structure, and connecting plate 3 is connected with fixing plate 2 by the mode welded, the quantity of described brake shoe 10 is two, and it is separately positioned on the both sides of cam 19, the quantity of described spring fastening 5 is two, and it is symmetrically arranged on the two side of U-shaped support 4, described cam 19 is connected by screw is fixing with camshaft 12, described spring 9 is in compressive state, the middle part of described cam 19 is provided with strip through-hole.
This utility model is in use, when needs lifting heavy goods, utilize pusher by promoting the dynamic brake arm of arm straps to run up, when brake arm works, brake arm drives camshaft to rotate, owing to camshaft is connected by screw and cam are fixing, as the cam shaft rotates, camshaft drives cam rotation, thus the brake shoe by cam both sides is opened, when brake shoe is opened, cylinder is in releasing locking state, and then utilize cylinder normally to hoist weight, brake arm is connected with camshaft by gear ring and spline, this connected mode is effectively prevented the slip between brake arm and camshaft, prevent the generation of skidding, being disposed to of camshaft support facilitates the installation of camshaft and fixing, increase the contact area between camshaft and fixing plate, the friction being disposed between reduction camshaft and U-shaped support of wear-resistant sleeve, extend the service life of camshaft, reduce operating cost, when needs brake drum, pusher runs downwards by promoting the dynamic brake arm of arm straps, thus brake arm drives cam axle, and then the brake shoe of cam both sides is closed, when 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, pusher quits work, after losing the thrust of cam due to spring, it is in the spring under compressive state under the effect of self bounce, brake shoe can be closed equally, thus by cylinder locking, it is effectively prevented the probability of weight-drop, avoiding is the generation of accident, this set simple in construction, easy to use, security performance is high, being disposed to of spring fastening facilitates the fixing of spring, the pressure being disposed to adjustment spring of adjusting rod, when in use there is abrasion in brake shoe, the pressure of spring can be readjusted by the adjustment of adjusting rod, make brake shoe by cylinder locking, this utility model has simple in construction, operating cost is low, of many uses, the advantage of brake safe.
Claims (7)
1. the electronic device for opening of a crane hoisting mechanism roll brake, it includes cylinder, it is characterized in that: one end of described cylinder is provided with fixing plate, the right flank on described fixing plate top is provided with connecting plate, described connecting plate has been bolted U-shaped support, on the sidewall of described U-shaped support, interlocking has spring fastening, one end of described spring fastening has been threaded connection adjusting rod, the outer wall of described adjusting rod is socketed with nut, catch and spring it is disposed with from the inside to the outside in spring fastening, the other end of described spring is connected to brake shoe, left surface in the middle part of fixing 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 to brake arm, the left part of described brake arm is provided with the gear ring matched with spline tooth, the right part of brake arm is provided with connecting hole, brake arm has been bolted promotion arm, described promotion arm is connected to pusher by bearing pin, 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 electronic device for opening of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: described connecting plate is L-type structure, and connecting plate is connected with fixing plate by the mode welded.
3. the electronic device for opening of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: the quantity of described brake shoe is two, and is separately positioned on the both sides of cam.
4. the electronic device for opening of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: the quantity of described spring fastening is two, and is symmetrically arranged on the two side of U-shaped support.
5. the electronic device for opening of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: described cam is connected by screw and camshaft are fixing.
6. the electronic device for opening of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: described spring is in compressive state.
7. the electronic device for opening of a kind of crane hoisting mechanism roll brake according to claim 1, it is characterised in that: the middle part of described cam is provided with strip through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033784.4U CN205294708U (en) | 2015-12-14 | 2015-12-14 | Hoist hoisting mechanism drum brake's electronic opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033784.4U CN205294708U (en) | 2015-12-14 | 2015-12-14 | Hoist hoisting mechanism drum brake's electronic opening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205294708U true CN205294708U (en) | 2016-06-08 |
Family
ID=56431616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521033784.4U Expired - Fee Related CN205294708U (en) | 2015-12-14 | 2015-12-14 | Hoist hoisting mechanism drum brake's electronic opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205294708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105329801A (en) * | 2015-12-14 | 2016-02-17 | 河南恒远恒山工业有限公司 | Electric starting device for cylinder brake of crane lifting mechanism |
-
2015
- 2015-12-14 CN CN201521033784.4U patent/CN205294708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105329801A (en) * | 2015-12-14 | 2016-02-17 | 河南恒远恒山工业有限公司 | Electric starting device for cylinder brake of crane lifting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20171214 |