CN204057839U - A kind of crane in bridge type hydraulic brake system - Google Patents
A kind of crane in bridge type hydraulic brake system Download PDFInfo
- Publication number
- CN204057839U CN204057839U CN201420501914.1U CN201420501914U CN204057839U CN 204057839 U CN204057839 U CN 204057839U CN 201420501914 U CN201420501914 U CN 201420501914U CN 204057839 U CN204057839 U CN 204057839U
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- CN
- China
- Prior art keywords
- control lever
- brake control
- lever
- crane
- bridge type
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- 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 kind of crane in bridge type hydraulic brake system, it comprises electrical motor, the top of electrical motor is provided with frequency converter, electrical motor left is provided with oil pump, the left of oil pump is provided with hydraulic actuating cylinder, the upper end of hydraulic actuating cylinder is provided with electromagnetic block, the upside of electromagnetic block is provided with push rod, the top of push rod is provided with lever, the left upper part of lever is connected with screw rod, the left end bottom of lever is connected with right brake control lever, lever is connected with left brake control lever by screw rod, the upper end of left brake control lever and right brake control lever is connected with spring frame, the middle part of left brake control lever and the middle part of right brake control lever are respectively arranged with brake shoe, the left, lower end of left brake control lever is provided with automatic compensator A, the right, lower end of right brake control lever is provided with automatic compensator B, the utility model starts with braking steady, and compact conformation, adjusts easy to maintenance, safe and reliable, reduces maintenance capacity, reduces service expenditure, has certain economic benefit.
Description
Technical field
The utility model belongs to hoisting crane technical field, is specifically related to a kind of brake equipment, particularly a kind of crane in bridge type hydraulic brake system.
Background technology
In each mechanism of crane in bridge type, brake equipment be used to ensure lifting function accurately, the vitals of reliable and safe operation, the brake equipment that general crane in bridge type adopts is normally closed brake, as long as namely hoisting crane does not work and is just in braking mode, utilizing the support of normally closed brake to brake can Shi Ge mechanism power-off when quitting work, overcome the External Force Acting such as gravity and wind-force, carry out the anti-slip maintenance of stop and stop, this safe handling for hoisting crane is very important; But, also there are some shortcomings in existing crane brake: owing to being swift in motion, effect during adhesive is applied directly on drg, impact effect is larger, easily make bolt looseness and cause brake failure, safe reliability is poor, constantly checks adjustment, lack speed control function, the performance of Long-Time Service accumulation harm hoisting crane complete machine usefulness; Therefore, provide one can realize controlling speed governing, safe and reliable, adjust crane in bridge type hydraulic brake system easy to maintenance and be very important.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides one can realize controlling speed governing, safe and reliable, adjusts crane in bridge type hydraulic brake system easy to maintenance and is very important.
The purpose of this utility model is achieved in that a kind of crane in bridge type hydraulic brake system, it comprises electrical motor, the top of described electrical motor is provided with frequency converter, described electrical motor left is provided with oil pump, the left of described oil pump is provided with hydraulic actuating cylinder, the upper end of described hydraulic actuating cylinder is provided with electromagnetic block, the upside of described electromagnetic block is provided with push rod, the top of described push rod is provided with lever, the left upper part of described lever is connected with screw rod, the left end bottom of described lever is connected with right brake control lever, described lever is connected with left brake control lever by screw rod, described left brake control lever and the upper end of right brake control lever are connected with spring frame, the middle part of described left brake control lever and the middle part of right brake control lever are respectively arranged with brake shoe, the left, lower end of described left brake control lever is provided with automatic compensator A, the right, lower end of described right brake control lever is provided with automatic compensator B.
Described electrical motor is squirrel-cage motor.
Described frequency converter is voltage frequency converter.
Described lever and the connection mode of screw rod are hinged.
The connection mode of described lever and right brake control lever is hinged.
Described left brake control lever is identical with the version of right brake control lever.
The beneficial effects of the utility model: the utility model is a relatively independent hydraulic push-rod brake, utilize frequency converter to the control of electrical motor, the control of the application force to push rod can be realized, and then the gentle transition of attainment brake hydraulic pressure device brake control lever, the impact effect produced when effectively alleviating hydraulic brake work, the utility model starts with braking steady, compact conformation, adjust easy to maintenance, safe and reliable, decrease the sense of discomfort of operator, reduce maintenance capacity, reduce service expenditure, there is certain economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of crane in bridge type hydraulic brake system of the utility model.
In figure: 1, frequency converter 2, electrical motor 3, oil pump 4, electromagnetic block 5, push rod 6, lever 7, screw rod 8, spring frame 9, left brake control lever 10, automatic compensator A 11, brake shoe 12, right brake control lever 13, automatic compensator B 14, hydraulic actuating cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1
As shown in Figure 1, a kind of crane in bridge type hydraulic brake system, it comprises electrical motor 2, the top of described electrical motor 2 is provided with frequency converter 1, described electrical motor 2 left is provided with oil pump 3, the left of described oil pump 3 is provided with hydraulic actuating cylinder 14, the upper end of described hydraulic actuating cylinder 14 is provided with electromagnetic block 4, the upside of described electromagnetic block 4 is provided with push rod 5, the top of described push rod 5 is provided with lever 6, the left upper part of described lever 6 is connected with screw rod 7, the left end bottom of described lever 6 is connected with right brake control lever 12, described lever 6 is connected with left brake control lever 9 by screw rod 7, described left brake control lever 9 and the upper end of right brake control lever 12 are connected with spring frame 8, the middle part of described left brake control lever 9 and the middle part of right brake control lever 12 are respectively arranged with brake shoe 11, the left, lower end of described left brake control lever 9 is provided with automatic compensator A10, the right, lower end of described right brake control lever 12 is provided with automatic compensator B13.
The utility model is a relatively independent hydraulic push-rod brake, during energising, driven by motor oil pump rotates, and fluid is squeezed into hydraulic actuating cylinder and forms the thrust that oil pressure becomes push rod, be converted into through lever the power of declutching, when the power of declutching acquires a certain degree, brake control lever is driven to make brake shoe action realize declutching; The stall of power-off rear motor, thrust and the power that declutches of push rod disappear, and brake control lever drives brake shoe to get back to preposition and realizes braking; Utilize frequency converter to the control of electrical motor, the control of the application force to push rod can be realized, so the gentle transition of attainment brake hydraulic pressure device brake control lever, the impact effect produced when effectively alleviating hydraulic brake work, the utility model starts with braking steady, compact conformation, adjusts easy to maintenance, safe and reliable, decrease the sense of discomfort of operator, reduce maintenance capacity, reduce service expenditure, there is certain economic benefit.
Embodiment 2
As shown in Figure 1, a kind of crane in bridge type hydraulic brake system, it comprises electrical motor 2, the top of described electrical motor 2 is provided with frequency converter 1, described electrical motor 2 left is provided with oil pump 3, the left of described oil pump 3 is provided with hydraulic actuating cylinder 14, the upper end of described hydraulic actuating cylinder 14 is provided with electromagnetic block 4, the upside of described electromagnetic block 4 is provided with push rod 5, the top of described push rod 5 is provided with lever 6, the left upper part of described lever 6 is connected with screw rod 7, the left end bottom of described lever 6 is connected with right brake control lever 12, described lever 6 is connected with left brake control lever 9 by screw rod 7, described left brake control lever 9 and the upper end of right brake control lever 12 are connected with spring frame 8, the middle part of described left brake control lever 9 and the middle part of right brake control lever 12 are respectively arranged with brake shoe 11, the left, lower end of described left brake control lever 9 is provided with automatic compensator A10, the right, lower end of described right brake control lever 12 is provided with automatic compensator B13.
Described electrical motor 2 is squirrel-cage motor.
Described frequency converter 1 is voltage frequency converter.
Described lever 6 is hinged with the connection mode of screw rod 7.
Described lever 6 is hinged with the connection mode of right brake control lever 12.
Described left brake control lever 9 is identical with the version of right brake control lever 12.
The utility model is a relatively independent hydraulic push-rod brake, during energising, driven by motor oil pump rotates, and fluid is squeezed into hydraulic actuating cylinder and forms the thrust that oil pressure becomes push rod, be converted into through lever the power of declutching, when the power of declutching acquires a certain degree, brake control lever is driven to make brake shoe action realize declutching; The stall of power-off rear motor, thrust and the power that declutches of push rod disappear, and brake control lever drives brake shoe to get back to preposition and realizes braking; Utilize frequency converter to the control of electrical motor, the control of the application force to push rod can be realized, so the gentle transition of attainment brake hydraulic pressure device brake control lever, the impact effect produced when effectively alleviating hydraulic brake work, the utility model starts with braking steady, compact conformation, adjusts easy to maintenance, safe and reliable, decrease the sense of discomfort of operator, reduce maintenance capacity, reduce service expenditure, there is certain economic benefit.
Claims (6)
1. a crane in bridge type hydraulic brake system, it comprises electrical motor, it is characterized in that: the top of described electrical motor is provided with frequency converter, described electrical motor left is provided with oil pump, the left of described oil pump is provided with hydraulic actuating cylinder, the upper end of described hydraulic actuating cylinder is provided with electromagnetic block, the upside of described electromagnetic block is provided with push rod, the top of described push rod is provided with lever, the left upper part of described lever is connected with screw rod, the left end bottom of described lever is connected with right brake control lever, described lever is connected with left brake control lever by screw rod, described left brake control lever and the upper end of right brake control lever are connected with spring frame, the middle part of described left brake control lever and the middle part of right brake control lever are respectively arranged with brake shoe, the left, lower end of described left brake control lever is provided with automatic compensator A, the right, lower end of described right brake control lever is provided with automatic compensator B.
2. a kind of crane in bridge type hydraulic brake system according to claim 1, is characterized in that: described electrical motor is squirrel-cage motor.
3. a kind of crane in bridge type hydraulic brake system according to claim 1, is characterized in that: described frequency converter is voltage frequency converter.
4. a kind of crane in bridge type hydraulic brake system according to claim 1, is characterized in that: described lever and the connection mode of screw rod are hinged.
5. a kind of crane in bridge type hydraulic brake system according to claim 1, is characterized in that: the connection mode of described lever and right brake control lever is hinged.
6. a kind of crane in bridge type hydraulic brake system according to claim 1, is characterized in that: described left brake control lever is identical with the version of right brake control lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501914.1U CN204057839U (en) | 2014-09-02 | 2014-09-02 | A kind of crane in bridge type hydraulic brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501914.1U CN204057839U (en) | 2014-09-02 | 2014-09-02 | A kind of crane in bridge type hydraulic brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204057839U true CN204057839U (en) | 2014-12-31 |
Family
ID=52199394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420501914.1U Expired - Fee Related CN204057839U (en) | 2014-09-02 | 2014-09-02 | A kind of crane in bridge type hydraulic brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204057839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836651A (en) * | 2015-01-14 | 2016-08-10 | 升华电梯有限公司 | Air brake removing device used on elevator traction machine |
| CN105864321A (en) * | 2015-01-23 | 2016-08-17 | 鞍钢股份有限公司 | Device for relieving equipment impact caused by braking with brake and use method thereof |
-
2014
- 2014-09-02 CN CN201420501914.1U patent/CN204057839U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836651A (en) * | 2015-01-14 | 2016-08-10 | 升华电梯有限公司 | Air brake removing device used on elevator traction machine |
| CN105864321A (en) * | 2015-01-23 | 2016-08-17 | 鞍钢股份有限公司 | Device for relieving equipment impact caused by braking with brake and use method thereof |
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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 |
Granted publication date: 20141231 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |