CN105402290A - Reset device of dynamic brake device of crane - Google Patents
Reset device of dynamic brake device of crane Download PDFInfo
- Publication number
- CN105402290A CN105402290A CN201510949511.2A CN201510949511A CN105402290A CN 105402290 A CN105402290 A CN 105402290A CN 201510949511 A CN201510949511 A CN 201510949511A CN 105402290 A CN105402290 A CN 105402290A
- Authority
- CN
- China
- Prior art keywords
- support
- reset
- screw mandrel
- brake
- hoist
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
- F16D65/42—Slack adjusters mechanical non-automatic
- F16D65/46—Slack adjusters mechanical non-automatic with screw-thread and nut
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D2065/13—Parts or details of discs or drums
- F16D2065/134—Connection
- F16D2065/1392—Connection elements
- F16D2065/1396—Ancillary resilient elements, e.g. anti-rattle or retraction springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/12—Fluid pressure for releasing a normally applied brake, the type of actuator being irrelevant or not provided for in groups F16D2121/04 - F16D2121/10
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/023—Pumps
Abstract
The invention belongs to the technical field of crane tools, particularly relates to a reset device of a dynamic brake device of a crane and discloses the reset device of the dynamic brake device of the crane. The reset device of the dynamic brake device of the crane comprises a U-shaped support and a reset screw. One end of the reset screw is arranged on a first support, and the other end of the reset screw is arranged in an opening of the U-shaped support. The part, between the first support and the U-shaped support, of the reset screw is provided with a reset spring. The reset screw can compress the reset spring when the first support and a second support get close to each other. One end of the reset screw can constantly stretch into the U-shaped support. The reset device has the beneficial effects that the structure is simple, using is convenient, the reset device does not interfere with other components of the brake device in the using process, and a very good reset effect can be achieved.
Description
Technical field
The invention belongs to hoist apparatus technical field, particularly relate to a kind of resetting means of dynamic brake device of hoist.
Background technique
What the traveller of hoist was installed is substantially all static braking device, and the control of this braking device and the control of motor link together, and electric motor starting brake is opened, and the brake of motor dead electricity holds braking tightly under the action of the spring.When this working method is for crane hanging component product, there is very large danger, the general speed of travel of hoist all reaches 60-80 m/min (hoist had slow reach 20-30 m/min), control mode is all motor dead electricity, braking is held in brake tightly, the article of crane hanging component rock because inertia produces, and this causes very large danger to product handling.In order to reduce dangerous generation, all that brake is unclamped in practical work, allow its operational failure, the walking braking of hoist realizes by motor reversal completely, this has just increased the weight of the load of moving gear box, causes input shaft often to rupture, causes work load to maintenance man, have impact on manufacturing schedule, add cost of production.There is relevant dynamic brake device at present, but this device when in use its resetting means complex structure, reset effect is poor, and in the process used, its resetting means can disturb mutually with the operation of the miscellaneous part of braking device, thus can not reach good reset effect.
Summary of the invention
The object of the invention is to solve above-described technical problem, there is provided a kind of structure simple, easy to use, use process in do not produce interference with the miscellaneous part of braking device, can have the resetting means of the dynamic brake device of the hoist of good reset effect, its technological scheme is as follows:
The resetting means of the dynamic brake device of hoist, it is characterized in that, the resetting means of the dynamic brake device of described hoist comprises U-shaped support and reset screw mandrel, and described U-shaped Bracket setting is located on the second support between operation block and the combination of the second brake block; Described reset screw mandrel is arranged on the first support and locates between push rod screw and the combination of first brake sheet, one end of reset screw mandrel is arranged on the first support, the other end of reset screw mandrel is arranged at the opening of U-shaped support, middle reset screw mandrel being positioned at the first support and U-shaped support is provided with Returnning spring, reset screw mandrel is compressible Returnning spring when the first support and the second support close to each other, and one end of reset screw mandrel can constantly extend in U-shaped support.
Optimal way is, described reset screw mandrel is provided with spring pedestal, and one end of described spring pedestal is positioned near the first support place, and the other end of described spring pedestal is positioned at the opening of U-shaped support, and described Returnning spring is arranged in spring pedestal.
The resetting means of the dynamic brake device of hoist provided by the invention, when in use, the cooperation of reset screw mandrel and U-shaped support makes resetting means when in use, reset screw mandrel only can carry out activity in the inside of U-shaped support, thus well avoids the mutual interference between resetting means and miscellaneous part.
The present invention further have employed spring pedestal, and Returnning spring can be retrained preferably, thus makes, when work, can play better reset effect.
The invention has the beneficial effects as follows: structure is simple, easy to use, in the process used, do not produce interference with the miscellaneous part of braking device, can have good reset effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the dynamic brake device of hoist.
Fig. 2 is schematic diagram of the present invention.
Embodiment
Embodiment is illustrated below in conjunction with Fig. 1 and Fig. 2:
As depicted in figs. 1 and 2, the dynamic brake device of hoist, comprise base plate 1 and oil pump 2, described oil pump 2 is connected with Oil pump electrical machinery 3 and oil pump push rod 4, the end of described oil pump push rod 4 is connected with one end of operation block 5, and operation block 5 is articulated and connected on the second support 7 by bearing pin 6, and operation block 5 can rotate centered by bearing pin 6 under the effect of oil pump push rod 4, the other end of the second support 7 is arranged on base plate 1, the second support 7 is arranged and is connected with the second brake block combination 8; The other end place of described operation block 5 is connected with push rod screw 9, described push rod screw 9 is connected on the first support 10, the other end of the first support 10 is arranged on base plate 1, first support 10 and the second support 7 are arranged at the two ends place of base plate 1 respectively, be connected by resetting means 11 between first support 10 and the second support 7, first support 10 and the second support 7 can return to nature under the effect of resetting means 11, the first support 10 is arranged and is connected with first brake sheet combination 12; Described first brake sheet combination 12 and the middle of the second brake block combination 8 are provided with brake disc 13; The first described support 10 and the second support 7 can be close to each other under the drive of operation block 5, and now first brake sheet combination 12 and the second brake block combination 8 can complete dynamic brake to brake disc 13 is close simultaneously.
Optimal way is, described resetting means 11 comprises U-shaped support 111 and reset screw mandrel 112, and described U-shaped support 111 is arranged on the second support 7 and locates between operation block 5 and the second brake block combination 8; Described reset screw mandrel 112 is arranged on the first support 10 and locates between push rod screw 9 and first brake sheet combination 12, one end of reset screw mandrel 112 is arranged on the first support 10, the other end of reset screw mandrel 112 is arranged at the opening of U-shaped support 111, middle reset screw mandrel 112 being positioned at the first support 10 and U-shaped support 112 is provided with Returnning spring 113, reset screw mandrel 112 is compressible Returnning spring 113 when the first support 10 and the second support 7 close to each other, and one end of reset screw mandrel 112 can constantly extend in U-shaped support 111.
Optimal way is, the first described support 10 and the second support 7 are provided with adjustable first brake sheet combination 12 and the second brake block combination 8 in its natural state with the adjusting screw 101 of brake disc 13 spacing.
Do by doing when the operating state pushed away changes work into the operating state drawn when the present invention works braking device.The braking effort of static braking device is from spring, and the power of dynamic brake device is from oil pump push rod.Brake disc is held in the combination of static braking device nature brake block tightly; During dynamic brake device nature, the combination of first brake sheet and the second brake block combine and brake disc separated state under the effect of Returnning spring, only have operationally, the combination of first brake sheet and the combination of the second brake block just can hold brake disc tightly, play braking action.
Adopt the hoist of dynamic brake device when routine work, hoist is when close to destination locations, and travelling control gets back to zero-bit, movable motor dead electricity, and hoist is by inertia walking.If at this moment use static braking device, travelling control gets back to zero-bit, and hoist will stop, and causes product to rock.If brake failure or do not have braking device, the stopping of hoist will lean on the reversion of motor to brake, and this will cause the infringement of motor, gear-box etc.If use dynamic brake device, just can take a little to stop, allow hoist buffer stop, the article that hoist lifts would not rock due to inertia.The infringement brought to hoist is like this just very little.To handling safety offer convenience just very large.
Dynamic brake device belongs to a part for crane travelling gear, and during normality, the combination of first brake sheet and the second brake block combine and brake disc is separated state.During work, hoist walking needs to be parked in specified position, operative employee is with pin crawl foot switch, at this moment Oil pump electrical machinery obtains electric work, the fluid that impeller in oil pump stirs in oil pump produces thrust, oil pump push rod rises, the block that pushes the work forward rotates centered by bearing pin, due to the rotation of operation block, pull push rod screw, at this moment the distance between the first support and the second support reduces, the distance between the combination of first brake sheet and the combination of the second brake block is driven also to reduce, when apart to a certain extent little, brake disc is embraced in the combination of first brake sheet and the combination of the second brake block, play skidding effect, this braking device can play the effect of a little stopping, hoist is allowed slowly to stop, the article be lifted on like this on hoist would not rock, reduce dangerous generation, benefit is brought to safety.
If stop brake, as long as operative employee decontrols foot switch, Oil pump electrical machinery dead electricity, impeller in oil pump stops operating, oil pump push rod just loses power, and this braking device is under the effect of Returnning spring, and the first support and the second support are separately, drive the combination of first brake sheet and the combination of the second brake block separately, brake failure.
If need brake again, employee steps on foot switch again.
Claims (2)
1. the resetting means of the dynamic brake device of hoist, it is characterized in that, the resetting means of the dynamic brake device of described hoist comprises U-shaped support and reset screw mandrel, and described U-shaped Bracket setting is located on the second support between operation block and the combination of the second brake block; Described reset screw mandrel is arranged on the first support and locates between push rod screw and the combination of first brake sheet, one end of reset screw mandrel is arranged on the first support, the other end of reset screw mandrel is arranged at the opening of U-shaped support, middle reset screw mandrel being positioned at the first support and U-shaped support is provided with Returnning spring, reset screw mandrel is compressible Returnning spring when the first support and the second support close to each other, and one end of reset screw mandrel can constantly extend in U-shaped support.
2. the resetting means of the dynamic brake device of hoist as claimed in claim 1, it is characterized in that, described reset screw mandrel is provided with spring pedestal, one end of described spring pedestal is positioned near the first support place, the other end of described spring pedestal is positioned at the opening of U-shaped support, and described Returnning spring is arranged in spring pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949511.2A CN105402290A (en) | 2015-12-18 | 2015-12-18 | Reset device of dynamic brake device of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949511.2A CN105402290A (en) | 2015-12-18 | 2015-12-18 | Reset device of dynamic brake device of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105402290A true CN105402290A (en) | 2016-03-16 |
Family
ID=55467975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510949511.2A Pending CN105402290A (en) | 2015-12-18 | 2015-12-18 | Reset device of dynamic brake device of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105402290A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1502605A (en) * | 1975-04-25 | 1978-03-01 | Wild M & Co Ltd | Brakes for winding machinery |
| US5899304A (en) * | 1997-05-21 | 1999-05-04 | Daugherty; Jack L. | Motor brake |
| CN101683962A (en) * | 2008-09-26 | 2010-03-31 | 沈阳中铁安平制动技术开发有限公司 | Mechanical brake |
| EP2223880A1 (en) * | 2007-12-19 | 2010-09-01 | Xingyun Xie | Supplementary braking thrust unit for brake and method thereof |
| CN203602304U (en) * | 2013-11-21 | 2014-05-21 | 淮北金源工贸有限责任公司 | Safety brake |
| CN204400521U (en) * | 2015-01-22 | 2015-06-17 | 重钢西昌矿业有限公司 | Diving drill promotes band brake apparatus |
| CN204727531U (en) * | 2015-05-20 | 2015-10-28 | 河南省恒远起重机械集团有限公司 | A kind of crane intelligent drg |
| CN205298347U (en) * | 2015-12-18 | 2016-06-08 | 浙江省天和建材集团有限公司地铁管片分公司 | Dynamic brake equipment's of hoist resetting means |
-
2015
- 2015-12-18 CN CN201510949511.2A patent/CN105402290A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1502605A (en) * | 1975-04-25 | 1978-03-01 | Wild M & Co Ltd | Brakes for winding machinery |
| US5899304A (en) * | 1997-05-21 | 1999-05-04 | Daugherty; Jack L. | Motor brake |
| EP2223880A1 (en) * | 2007-12-19 | 2010-09-01 | Xingyun Xie | Supplementary braking thrust unit for brake and method thereof |
| CN101683962A (en) * | 2008-09-26 | 2010-03-31 | 沈阳中铁安平制动技术开发有限公司 | Mechanical brake |
| CN203602304U (en) * | 2013-11-21 | 2014-05-21 | 淮北金源工贸有限责任公司 | Safety brake |
| CN204400521U (en) * | 2015-01-22 | 2015-06-17 | 重钢西昌矿业有限公司 | Diving drill promotes band brake apparatus |
| CN204727531U (en) * | 2015-05-20 | 2015-10-28 | 河南省恒远起重机械集团有限公司 | A kind of crane intelligent drg |
| CN205298347U (en) * | 2015-12-18 | 2016-06-08 | 浙江省天和建材集团有限公司地铁管片分公司 | Dynamic brake equipment's of hoist resetting means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160316 |