CN205298347U - Dynamic brake equipment's of hoist resetting means - Google Patents
Dynamic brake equipment's of hoist resetting means Download PDFInfo
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- CN205298347U CN205298347U CN201521058285.0U CN201521058285U CN205298347U CN 205298347 U CN205298347 U CN 205298347U CN 201521058285 U CN201521058285 U CN 201521058285U CN 205298347 U CN205298347 U CN 205298347U
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- support
- brake
- resetting means
- screw mandrel
- crane
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Abstract
The utility model belongs to the technical field of the hoist apparatus, especially, relate to a dynamic brake equipment's of hoist resetting means. The utility model discloses a dynamic brake equipment's of hoist resetting means, dynamic brake equipment's of hoist resetting means includes the U -shaped support and resets the lead screw, the one end of lead screw of reseing sets up on first support, the other end of lead screw of reseing sets up in the opening part of U -shaped support, restore to the throne lie in on the lead screw first support and U -shaped support in the middle of the department be equipped with reset spring, but lead screw compression spring when mutual being close to of first support and second support resets, the one end of lead screw of reseing can constantly stretch into in the U -shaped support. The beneficial effects of the utility model are that: simple structure, convenient to use, do not produce the interference at the in -process that uses and brake equipment's other part, can have the fine effect that resets.
Description
Technical field
This utility model belongs to crane apparatus technical field, particularly relates to the resetting means of the dynamic brake device of a kind of crane.
Background technology
What the walking mechanism of crane was installed is substantially 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 braking is held in the brake of motor dead electricity under the action of the spring tightly. When this working method is for crane hanging component product, there is very big danger, the general speed of travel of crane all reaches 60-80 m/min (crane that has 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 produce to rock due to inertia, and this causes very big danger to product handling. In order to reduce the generation of danger, practical work is all brake is unclamped, allow its operational failure, the walking braking of crane realizes by motor reversal completely, this has just increased the weight of the load of moving gear box, causes power shaft often to rupture, causes work load to maintainer, have impact on manufacturing schedule, add production cost. There is relevant dynamic brake device at present, but this device its resetting means structure when in use is complicated, reset effect is poor, and in the process used, its resetting means can interfere with the operation of the miscellaneous part of brake gear, thus good reset effect can not be reached.
Summary of the invention
The purpose of this utility model is in that to solve techniques discussed above problem, there is provided a kind of simple in construction, easy to use, in the process used, do not produce interference with the miscellaneous part of brake gear, can having the resetting means of the dynamic brake device of the crane of good reset effect, its technical scheme is as follows:
The resetting means of the dynamic brake device of crane, it is characterized in that, the resetting means of the dynamic brake device of described crane includes U-bracket and reset screw mandrel, and described U-bracket is arranged on the second support between operation block and the second brake block combine place;Described reset screw mandrel is arranged on the first support between push rod screw and first brake sheet combine place, 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-bracket, the middle being positioned at the first support and U-bracket on reset screw mandrel is provided with back-moving spring, reset screw mandrel is compressible back-moving 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-bracket.
Optimal way is, described reset screw mandrel is provided with spring pedestal, and one end of described spring pedestal is located close to the first support place, and the other end of described spring pedestal is positioned at the opening part of U-bracket, and described back-moving spring is arranged in spring pedestal.
The resetting means of the dynamic brake device of the crane that this utility model provides, when in use, the cooperation of reset screw mandrel and U-bracket makes resetting means when in use, reset screw mandrel only can carry out activity in the inside of U-bracket, thus well avoiding interfering between resetting means and miscellaneous part.
This utility model further have employed spring pedestal so that back-moving spring can be retrained preferably, so that when work, it is possible to play better reset effect.
The beneficial effects of the utility model are: simple in construction, easy to use, in the process used, do not produce interference with the miscellaneous part of brake gear, it is possible to there is good reset effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the dynamic brake device of crane.
Fig. 2 is schematic diagram of the present utility model.
Detailed description of the invention
Embodiment is illustrated below in conjunction with Fig. 1 and Fig. 2:
As depicted in figs. 1 and 2, the dynamic brake device of crane, including 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 pivot about 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 respectively arranged at the two ends place of base plate 1, it is 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 naturalness 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 includes U-bracket 111 and reset screw mandrel 112, and described U-bracket 111 is arranged on the second support 7 and combines place between 8 in operation block 5 and the second brake block; Described reset screw mandrel 112 is arranged on the first support 10 and combines place between 12 at push rod screw 9 and first brake sheet, 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-bracket 111, the middle being positioned at the first support 10 and U-bracket 112 on reset screw mandrel 112 is provided with back-moving spring 113, reset screw mandrel 112 is compressible back-moving 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-bracket 111.
Optimal way is, the first described support 10 and the second support 7 are provided with scalable first brake sheet combination 12 and second brake block combination 8 in its natural state with the set screw 101 of brake disc 13 spacing.
The operating state drawn is done by doing when the operating state pushed away changes work into when this utility model 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. Static brake gear naturalness brake block combination is to hold brake disc tightly; During dynamic brake device naturalness, the combination of first brake sheet and the second brake block combine and brake disc separated state under the effect of back-moving spring, only operationally, the combination of first brake sheet and the combination of the second brake block just can hold brake disc tightly, play braking action.
Adopting the crane of dynamic brake device when routine work, crane is when close to destination locations, and travelling control returns to zero-bit, movable motor dead electricity, and crane leans on inertia walking. If at this moment using static brake gear, travelling control returns to zero-bit, and crane will stop, and causes product to rock. If brake failure or do not have brake gear, the stopping of crane will lean on the reversion of motor to brake, and this will result in the infringement of motor, gear-box etc. If using dynamic brake device, it is possible to take a little to stop, allowing crane buffer stop, the article that crane lifts would not rock due to inertia. The infringement so brought to crane is just only small. To handling safety offer convenience just very big.
Dynamic brake device belongs to a part for crane travelling gear, and during normality, the combination of first brake sheet and the combination of the second brake block and brake disc are separated states. during work, crane walking needs are parked in appointment position, employee is with foot crawl foot switch in operation, at this moment Oil pump electrical machinery obtains electric work, impeller in oil pump stirs the fluid in oil pump and produces thrust, oil pump push rod rises, the block that pushes the work forward rotates centered by bearing pin, rotation due to 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 from little to a certain extent, brake disc is embraced in the combination of first brake sheet and the combination of the second brake block, play skidding effect, this brake gear can play the effect a little stopped, crane is allowed slowly to stop, so it is lifted on the article on crane would not rock, reduce dangerous generation, benefit is brought to safety.
If stopping brake, as long as operation 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 brake gear is under the effect of back-moving 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 needing brake again, employee steps on foot switch again.
Claims (2)
1. the resetting means of the dynamic brake device of crane, it is characterized in that, the resetting means of the dynamic brake device of described crane includes U-bracket and reset screw mandrel, and described U-bracket is arranged on the second support between operation block and the second brake block combine place; Described reset screw mandrel is arranged on the first support between push rod screw and first brake sheet combine place, 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-bracket, the middle being positioned at the first support and U-bracket on reset screw mandrel is provided with back-moving spring, reset screw mandrel is compressible back-moving 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-bracket.
2. the resetting means of the dynamic brake device of crane 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 located close to the first support place, the other end of described spring pedestal is positioned at the opening part of U-bracket, and described back-moving spring is arranged in spring pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058285.0U CN205298347U (en) | 2015-12-18 | 2015-12-18 | Dynamic brake equipment's of hoist resetting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521058285.0U CN205298347U (en) | 2015-12-18 | 2015-12-18 | Dynamic brake equipment's of hoist resetting means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298347U true CN205298347U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521058285.0U Active CN205298347U (en) | 2015-12-18 | 2015-12-18 | Dynamic brake equipment's of hoist resetting means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402290A (en) * | 2015-12-18 | 2016-03-16 | 浙江省天和建材集团有限公司地铁管片分公司 | Reset device of dynamic brake device of crane |
-
2015
- 2015-12-18 CN CN201521058285.0U patent/CN205298347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402290A (en) * | 2015-12-18 | 2016-03-16 | 浙江省天和建材集团有限公司地铁管片分公司 | Reset device of dynamic brake device of crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313200 Zhejiang city of Huzhou province Deqing County leidian town Baiyun Road No. 358 Patentee after: Zhejiang Building Materials Group Co., Ltd. subway section branch company Address before: 313200 Zhejiang city of Huzhou province Deqing County leidian town Baiyun Road No. 358 Patentee before: Subway segment branch company of Zhejiang Tohigh Building Materials Group Co., Ltd. |