CN105398955A - Service brake rack of dynamic brake device of crane - Google Patents
Service brake rack of dynamic brake device of crane Download PDFInfo
- Publication number
- CN105398955A CN105398955A CN201510949526.9A CN201510949526A CN105398955A CN 105398955 A CN105398955 A CN 105398955A CN 201510949526 A CN201510949526 A CN 201510949526A CN 105398955 A CN105398955 A CN 105398955A
- Authority
- CN
- China
- Prior art keywords
- support
- brake
- reset
- screw mandrel
- combination
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
- B66C11/24—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear with means for locating or sustaining the loads or trolleys in predetermined positions; Hay hoists
- B66C11/26—Abutments; Stop blocks; End stops
Abstract
The invention belongs to the technical field of crane tools, and particularly relates to a service brake rack of a dynamic brake device of a crane. The service brake rack of the dynamic brake device of the crane comprises a work block. The work block is hinged to a second support through a pin shaft. The other end of a first support is arranged on a bottom plate. The first support and the second support are arranged at the two ends of the bottom plate and connected through a reset device. The first support and the second support can restore to the natural state under the action of the reset device. The first support is connected with a first brake pad assembly. The service brake rack has the beneficial effects that dynamic control over running of the crane is achieved so that objects hoisted by the crane cannot swing due to inertia, and loading/unloading safety is easily ensured.
Description
Technical field
The invention belongs to hoisting crane apparatus technical field, particularly relate to a kind of driving brake frame of dynamic brake device of hoisting crane.
Background technology
What the traveling gear of hoisting crane was installed is substantially all static brake gear, and the control of this brake gear 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 mode of operation is for crane hanging component product, there is very large danger, the general speed of travel of hoisting crane all reaches 60-80 m/min (hoisting crane had slow reach 20-30 m/min), 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 hoisting crane 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 maintainer, have impact on manufacturing schedule, add productive costs.
Summary of the invention
The object of the invention is to solve above-described technical matters, a kind of walking to hoisting crane is provided to play a Dynamic controlling, the article that hoisting crane lifts would not rock due to inertia, bring the driving brake frame of the dynamic brake device of the hoisting crane of convenience to handling safety, its technical scheme is as follows:
The driving brake frame of the dynamic brake device of hoisting crane, it is characterized in that, the driving brake frame of the dynamic brake device of described hoisting crane comprises operation block, operation block is connected on the second support by hinge, operation block can rotate centered by bearing pin under the effect of oil pump push rod, the other end of the second support is arranged on base plate, the second support is arranged and is connected with the second brake facing combination; The other end place of described operation block is connected with push rod screw, described push rod screw is connected on the first support, the other end of the first support is arranged on base plate, first support and the second support are arranged at the two ends place of base plate respectively, be connected by reset attachment between first support and the second support, first support and the second support can return to state of nature under the effect of reset attachment, the first support is arranged and is connected with the combination of first brake sheet.
Optimal way is, described reset attachment 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 facing; 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 part of U-shaped support, middle reset screw mandrel being positioned at the first support and U-shaped support is provided with retracing spring, reset screw mandrel is compressible retracing 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.
The driving brake frame of the dynamic brake device of hoisting crane provided by the invention, the first support and the second support are the platforms of brake gear, mainly play and drive the combination of first brake sheet and the combination of the second brake facing to move to brake disc direction.The main effect of reset attachment is: when oil pump, Oil pump electrical machinery and oil pump push rod do not act on, first brake sheet is combined and the second brake facing be combined in the drive of the first support and the second support under be returned to state of nature.
The present invention further have employed U-shaped support, retracing spring, reset screw mandrel composition reset attachment, such that whole reset attachment is more simple and easy, reset effect is better.
The invention has the beneficial effects as follows: play a Dynamic controlling to the walking of hoisting crane, the article that hoisting crane lifts would not rock due to inertia, bring convenience to handling safety.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the dynamic brake device of hoisting crane.
Fig. 2 is the schematic diagram of reset attachment.
Fig. 3 is schematic diagram of the present invention.
Detailed description of the invention
Embodiment is illustrated below in conjunction with Fig. 1 to Fig. 3:
As shown in Figure 1 to Figure 3, the dynamic brake device of hoisting crane, 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 facing 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 reset attachment 11 between first support 10 and the second support 7, first support 10 and the second support 7 can return to state of nature under the effect of reset attachment 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 facing 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 facing combination 8 can complete dynamic brake to brake disc 13 is close simultaneously.
Optimal way is, described reset attachment 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 facing 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 part 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 retracing spring 113, reset screw mandrel 112 is compressible retracing 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 facing combination 8 in its natural state with the governing 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 brake gear.The braking effort of static brake gear 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 brake gear state of nature brake facing tightly; During dynamic brake device state of nature, the combination of first brake sheet and the second brake facing combine and brake disc separated state under the effect of retracing spring, only have operationally, the combination of first brake sheet and the combination of the second brake facing just can hold brake disc tightly, play braking action.
Adopt the hoisting crane of dynamic brake device when routine, hoisting crane is when close to destination locations, and travelling control gets back to zero-bit, movable motor dead electricity, and hoisting crane is by inertia walking.If at this moment use static brake gear, travelling control gets back to zero-bit, and hoisting crane will stop, and causes product to rock.If brake failure or do not have brake gear, the stopping of hoisting crane will lean on the reversion of motor to brake, and this will cause the infringement of motor, gear case etc.If use dynamic brake device, just can take a little to stop, allow hoisting crane buffer stop, the article that hoisting crane lifts would not rock due to inertia.The infringement brought to hoisting crane 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 facing combine and brake disc is separated state.During work, hoisting crane walking needs to be parked in assigned address, operative employee is with pin crawl foot-operated 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 facing 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 facing, play drag effect, this brake gear can play the effect of a little stopping, hoisting crane is allowed slowly to stop, the article be lifted on like this on hoisting crane would not rock, reduce dangerous generation, benefit is brought to safety.
If stop brake, as long as operative employee decontrols foot-operated switch, Oil pump electrical machinery dead electricity, impeller in oil pump stops operating, oil pump push rod just loses power, and this brake gear is under the effect of retracing 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 facing separately, brake failure.
If need brake again, employee steps on foot-operated switch again.
Claims (2)
1. the driving brake frame of the dynamic brake device of hoisting crane, it is characterized in that, the driving brake frame of the dynamic brake device of described hoisting crane comprises operation block, operation block is connected on the second support by hinge, operation block can rotate centered by bearing pin under the effect of oil pump push rod, the other end of the second support is arranged on base plate, the second support is arranged and is connected with the second brake facing combination; The other end place of described operation block is connected with push rod screw, described push rod screw is connected on the first support, the other end of the first support is arranged on base plate, first support and the second support are arranged at the two ends place of base plate respectively, be connected by reset attachment between first support and the second support, first support and the second support can return to state of nature under the effect of reset attachment, the first support is arranged and is connected with the combination of first brake sheet.
2. the driving brake frame of the dynamic brake device of hoisting crane as claimed in claim 1, it is characterized in that, described reset attachment 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 facing; 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 part of U-shaped support, middle reset screw mandrel being positioned at the first support and U-shaped support is provided with retracing spring, reset screw mandrel is compressible retracing 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949526.9A CN105398955A (en) | 2015-12-18 | 2015-12-18 | Service brake rack of dynamic brake device of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949526.9A CN105398955A (en) | 2015-12-18 | 2015-12-18 | Service brake rack of dynamic brake device of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105398955A true CN105398955A (en) | 2016-03-16 |
Family
ID=55464776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510949526.9A Pending CN105398955A (en) | 2015-12-18 | 2015-12-18 | Service brake rack of dynamic brake device of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105398955A (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 |
| WO1998053217A1 (en) * | 1997-05-21 | 1998-11-26 | Daugherty Jack L | Motor brake |
| CN101463874A (en) * | 2007-12-19 | 2009-06-24 | 谢兴云 | Stacked braking thrust unit of normally closed 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 |
| 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 |
| CN205222496U (en) * | 2015-12-18 | 2016-05-11 | 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 driving brake frame |
-
2015
- 2015-12-18 CN CN201510949526.9A patent/CN105398955A/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 |
| WO1998053217A1 (en) * | 1997-05-21 | 1998-11-26 | Daugherty Jack L | Motor brake |
| CN101463874A (en) * | 2007-12-19 | 2009-06-24 | 谢兴云 | Stacked braking thrust unit of normally closed 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 |
| 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 |
| CN205222496U (en) * | 2015-12-18 | 2016-05-11 | 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 driving brake frame |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160316 |