CN203548653U - Braking oil cylinder of disc brake for coal mine - Google Patents
Braking oil cylinder of disc brake for coal mine Download PDFInfo
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- CN203548653U CN203548653U CN201320600321.6U CN201320600321U CN203548653U CN 203548653 U CN203548653 U CN 203548653U CN 201320600321 U CN201320600321 U CN 201320600321U CN 203548653 U CN203548653 U CN 203548653U
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- oil cylinder
- brake
- housing
- cylinder piston
- brake shoe
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Abstract
The utility model relates to a braking oil cylinder of a disc brake for a coal mine. The braking oil cylinder comprises four guide rods, a press plate screw nut, an oil cylinder piston, a disc spring, a brake shoe pad plate, a braking brake shoe, a pressure bearing plate, a casing cover and a casing, wherein the guide rods pass through the casing cover and the casing, the pressure bearing plate is fixedly connected with the ends of the guide rods, the other ends of the guide rods are fixedly connected with the brake shoe pad plate, the braking brake shoe is fixedly arranged on the brake shoe pad plate, a groove is formed in the surface, near the oil cylinder piston, of the brake shoe pad plate, a guide disc is also arranged between the brake shoe pad plate and the oil cylinder piston, the guide disc is arranged in the groove and is fixedly connected with the casing, the disc spring is arranged in the casing and surrounds the oil cylinder piston for a circle, one end of the disc spring is propped on the casing cover, the other end of the disc spring is propped on one end, near the guide disc, of the oil cylinder piston, and the oil cylinder piston is connected with the press plate screw through screw threads. The braking oil cylinder has the advantages that the axial force borne by a common center connecting screw bolt is changed to be borne by the guide rods of surrounding connecting screw bolts, and the positive pressure of the braking oil cylinder can be favorably boosted.
Description
Technical field
The utility model relates to a kind of brake cylinder, particularly relate to and a kind ofly make around existing center attachment bolt the guide rod of 4 attachment bolts into brake cylinder inner space is increased, piston area increases, and increases the colliery Disk Brake oil cylinder of brake cylinder positive pressure in the situation that oil pressure is constant.
Background technique
The positive pressure maximum of current domestic brake cylinder can only reach 200kN, reach onesize braking moment, and common measure at present has two kinds: the one, thereby increase brake disc diameter, increase braking radius, and the 2nd, increase brake cylinder quantity.Because the structure of existing brake cylinder exists following two problems, the one, be limited to center attachment bolt A(as shown in Figure 1) intensity, limited by structure space, cannot further improve the size of center attachment bolt, the 2nd, be limited to the pressure that declutches, be piston area and hydraulic fluid pressure, because pressure oil enters the pressure that declutches forming after piston cavity, must be greater than the positive pressure that dish spring produces.
So just make current Disk brake apparatus volume large, Heavy Weight, cost is high, especially at some, to the conditional place of volume or weight, just cannot use at all.Common brake cylinder structure as shown in Figure 1.
Model utility content
For the problems referred to above, main purpose of the present utility model is to provide a kind of and makes around existing center attachment bolt the guide rod of 4 attachment bolts into brake cylinder inner space is increased, piston area increases, and increases the colliery Disk Brake oil cylinder of brake cylinder positive pressure in the situation that oil pressure is constant.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of colliery Disk Brake oil cylinder, described colliery comprises four guide rods with Disk Brake oil cylinder, panel nut, oil cylinder piston, dish spring, brake shoe backing plate, brake block, bearing plate, housing lid and housing, described guide rod is through housing lid and housing, one end of bearing plate and guide rod is fixed, the other end of guide rod and brake shoe backing plate are fixed, brake block is fixed on brake shoe backing plate, on the face of brake shoe backing plate near oil cylinder piston, be provided with groove, between brake shoe backing plate and oil cylinder piston, be also provided with positioning disk, positioning disk be arranged in groove and and housing be fixed together, dish spring is installed in housing, dish circlip was around one week of oil cylinder piston, dish spring one end withstands in housing lid, the other end withstands on one end of the close positioning disk of oil cylinder piston, oil cylinder piston with panel nut by being threaded, described oil cylinder piston is near leaving the groove that hydraulic oil enters between one end of positioning disk and housing.
In specific embodiment of the utility model: described oil cylinder piston comprises five parts, be respectively the first portion that is threaded connection with panel nut, through the second portion of housing lid, be arranged in housing and be surrounded with the Part III of dish spring, by dish spring, headed on and diameter than the large Part IV of Part III and the Part V for locating.
In specific embodiment of the utility model: be provided with dust-proof seal ring between the second portion of described oil cylinder piston and housing lid, be provided with Sealing between the Part IV of described oil cylinder piston and housing.
In specific embodiment of the utility model: described guide rod is four, all through housing, be distributed on four angles of housing.
In specific embodiment of the utility model: on described brake shoe backing plate, near being provided with dovetail groove on the face of brake block, brake block is fixed in the dovetail groove of brake shoe backing plate and moves with brake shoe backing plate.
In specific embodiment of the utility model: described bearing plate with and guide rod between adopt attachment screw to fix, between guide rod and brake shoe backing plate, adopt attachment screw to fix.
In specific embodiment of the utility model: fix by attachment screw between described panel nut and described bearing plate.
In specific embodiment of the utility model: described positioning disk and housing are fixed together by attachment screw.
Positive progressive effect of the present utility model is: a kind of colliery Disk Brake oil cylinder that the utility model provides has the following advantages: the utility model has been done improvement in the following aspects:
(1) attachment bolt suffered axial force in center changes by the guide rod of 4 attachment bolts around and bears, and force-bearing situation has obtained very large improvement, is conducive to the lifting of brake cylinder positive pressure;
(2) center attachment bolt makes into after the guide rod of 4 attachment bolts around, and brake cylinder inner space increases, and piston area has increased, and in the situation that oil pressure is constant, brake cylinder positive pressure has just increased, and is also conducive to the lifting of brake cylinder positive pressure.So just can make the volume of brake cylinder less, weight is lighter.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of existing colliery Disk Brake oil cylinder.
Fig. 2 is the plan view of the general structure schematic diagram of colliery Disk Brake oil cylinder.
Fig. 3 is the left view of colliery Disk Brake oil cylinder.
Fig. 4 is the rear view of the general structure schematic diagram of colliery Disk Brake oil cylinder.
Embodiment
Below in conjunction with accompanying drawing, provide the utility model preferred embodiment, to describe the technical solution of the utility model in detail.
Fig. 2 is the plan view of the general structure schematic diagram of colliery Disk Brake oil cylinder, and Fig. 3 is the left view of colliery Disk Brake oil cylinder, and Fig. 4 is the rear view of the general structure schematic diagram of colliery Disk Brake oil cylinder.As in Figure 2-4: the utility model comprises four guide rods 6, panel nut 1, oil cylinder piston 3, dish spring 8, brake shoe backing plate 10, brake block 11, bearing plate 5, housing lid 7 and housing 14, described guide rod 6 is through housing lid 7 and housing 14, bearing plate 5 is fixed with one end of guide rod 6, the other end of guide rod 6 and brake shoe backing plate 10 are fixing, brake block 11 is fixed on brake shoe backing plate 10, on the face of brake shoe backing plate 10 near oil cylinder piston 3, be provided with groove 101, between brake shoe backing plate 10 and oil cylinder piston 3, be also provided with positioning disk 13, positioning disk 13 be arranged in groove 101 and and housing 14 be fixed together, dish spring 8 is installed in housing 14, dish spring 8 is looped around a week of oil cylinder piston 3, dish spring 8 one end withstand in housing lid 7, the other end withstands on one end of the close positioning disk 13 of oil cylinder piston 3, oil cylinder piston 3 with panel nut 1 by being threaded, described oil cylinder piston 3 is near leaving the groove 1401 that hydraulic oil enters between one end of positioning disk 13 and housing 14, 1402(is referring to Fig. 2).
Between the second portion of oil cylinder piston 3 and housing lid 7, be provided with dust-proof seal ring 2, between the Part IV of described oil cylinder piston 3 and housing 14, be provided with Sealing 9.
On brake shoe backing plate 10, near being provided with dovetail groove 102 on the face of brake block 11, brake block 11 is fixed in the dovetail groove 102 of brake shoe backing plate 10 and moves with brake shoe backing plate 10.
Between bearing plate 5 use and guide rod 6, adopt attachment screw (seeing the mark 21 in Fig. 4) fixing, between guide rod 6 and brake shoe backing plate 10, adopt attachment screw (seeing the mark 22 in Fig. 4) fixing.Fixing by attachment screw 4 between panel nut 1 and bearing plate 5.Positioning disk 13 and housing 14 by attachment screw, be fixed together or alternate manner as being welded and fixed.
Fig. 3 is the left view of colliery Disk Brake oil cylinder, and in Fig. 3, mark 15 is brake shoe attachment screw, and mark 16 is brake shoe pressing plate, and mark 17 is fittings body, and mark 18 is attachment screw, and mark 19 is bleed screw.
Working principle of the present utility model is: when in oil pocket, nothing is oily, brake positive pressure is applied on brake disc 20 completely, receive after power-on command, in oil pocket, be filled with hydraulic oil, hydraulic fluid pressure and piston action area are through designing and calculating, can reach rapidly the precompression of dish spring 8, the compressed distortion of dish spring 8, promote oil cylinder piston 3 and leave brake disc 20 direction actions, oil cylinder piston is connected with panel nut 1 by screw thread on it, pull bearing plate 5 and drive with it and moved by bolted guide rod 6, guide rod 6 drives connected brake shoe backing plate 10 to move, make brake block 11 leave fast brake disc 20, open a sluice gate fast.Positioning disk plays and keeps displacement to act on stably at this.When hydraulic oil reaches setting pressure, the pressure balance that in the impacting force of dish spring and oil pocket, hydraulic oil produces, now, and mobile stopping, brake block 11 leaves brake disc 20 certain distances, keeps state of equilibrium.When receiving after halt command; hydraulic fluid pressure is through controlled diminishing; the impacting force of dish spring 8 is greater than the pressure that hydraulic oil produces; dish spring 8 promotes oil cylinder piston to brake disc 20 direction motions; oil cylinder piston 3 drives panel nut 1 and promotes bearing plate 5 and moves; bearing plate 5 drives guide rod 6 to promote brake shoe backing plate 10 and presses to brake disc 20; along with reducing of hydraulic fluid pressure; at brake shoe backing plate 10, stick after brake disc 20, power that dish spring 8 produces is passed to and on brake disc, produces brake positive pressure increase gradually through above process.When hydraulic fluid pressure becomes zero, it is maximum that brake positive pressure reaches.
Compared with the mode of braking of at present common brake cylinder, the utility model has been done improvement in the following aspects: the suffered axial force of (1) center attachment bolt change by around the guide rod of 4 attachment bolts bear, force-bearing situation has obtained very large improvement, is conducive to the lifting of brake cylinder positive pressure; (2) center attachment bolt makes into after the guide rod of 4 attachment bolts around, and brake cylinder inner space increases, and piston area has increased, and in the situation that oil pressure is constant, brake cylinder positive pressure has just increased, and is also conducive to the lifting of brake cylinder positive pressure.So just can make the volume of brake cylinder less, weight is lighter.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall within the scope of claimed the utility model, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. a colliery Disk Brake oil cylinder, it is characterized in that: described colliery Disk Brake oil cylinder comprises four guide rods, panel nut, oil cylinder piston, dish spring, brake shoe backing plate, brake block, bearing plate, housing lid and housing, described guide rod is through housing lid and housing, one end of bearing plate and guide rod is fixed, the other end of guide rod and brake shoe backing plate are fixed, brake block is fixed on brake shoe backing plate, on the face of brake shoe backing plate near oil cylinder piston, be provided with groove, between brake shoe backing plate and oil cylinder piston, be also provided with positioning disk, positioning disk be arranged in groove and and housing be fixed together, dish spring is installed in housing, dish circlip was around one week of oil cylinder piston, dish spring one end withstands in housing lid, the other end withstands on one end of the close positioning disk of oil cylinder piston, oil cylinder piston with panel nut by being threaded, described oil cylinder piston is near leaving the groove that hydraulic oil enters between one end of positioning disk and housing.
2. colliery according to claim 1 Disk Brake oil cylinder, it is characterized in that: described oil cylinder piston comprises five parts, be respectively the first portion that is threaded connection with panel nut, through the second portion of housing lid, be arranged in housing and be surrounded with the Part III of dish spring, by dish spring, headed on and diameter than the large Part IV of Part III and the Part V for locating.
3. colliery according to claim 2 Disk Brake oil cylinder, is characterized in that: between the second portion of described oil cylinder piston and housing lid, be provided with dust-proof seal ring, between the Part IV of described oil cylinder piston and housing, be provided with Sealing.
4. colliery according to claim 1 Disk Brake oil cylinder, is characterized in that: described guide rod is four, all through housing, is distributed on four angles of housing.
5. colliery according to claim 1 Disk Brake oil cylinder, is characterized in that: on described brake shoe backing plate, near being provided with dovetail groove on the face of brake block, brake block is fixed in the dovetail groove of brake shoe backing plate and moves with brake shoe backing plate.
6. colliery according to claim 1 Disk Brake oil cylinder, is characterized in that: described bearing plate with and guide rod between adopt attachment screw to fix, between guide rod and brake shoe backing plate, adopt attachment screw to fix.
7. colliery according to claim 1 Disk Brake oil cylinder, is characterized in that: between described panel nut and described bearing plate, by attachment screw, fix.
8. colliery according to claim 1 Disk Brake oil cylinder, is characterized in that: described positioning disk and housing are fixed together by attachment screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600321.6U CN203548653U (en) | 2013-09-26 | 2013-09-26 | Braking oil cylinder of disc brake for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600321.6U CN203548653U (en) | 2013-09-26 | 2013-09-26 | Braking oil cylinder of disc brake for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548653U true CN203548653U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320600321.6U Expired - Fee Related CN203548653U (en) | 2013-09-26 | 2013-09-26 | Braking oil cylinder of disc brake for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203548653U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061114A (en) * | 2018-01-03 | 2018-05-22 | 徐州五洋科技股份有限公司 | A kind of braking device for wind-driven generator |
| CN112660194A (en) * | 2019-10-16 | 2021-04-16 | 业超电气传动技术(上海)有限公司 | Braking device for coal mine rack rail vehicle |
-
2013
- 2013-09-26 CN CN201320600321.6U patent/CN203548653U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061114A (en) * | 2018-01-03 | 2018-05-22 | 徐州五洋科技股份有限公司 | A kind of braking device for wind-driven generator |
| CN108061114B (en) * | 2018-01-03 | 2024-02-13 | 徐州五洋科技股份有限公司 | Braking device for wind driven generator |
| CN112660194A (en) * | 2019-10-16 | 2021-04-16 | 业超电气传动技术(上海)有限公司 | Braking device for coal mine rack rail vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP SHANGHAI C Free format text: FORMER NAME: SHANGHAI ANYUN TRANSPORT EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 200433 Yangpu District, Wu Dong Road, room 198, No. 808, room Patentee after: Shanghai Co., Ltd of Zhong Meike work group Patentee after: CHINA COAL TECHNOLOGY & ENGINEERING GROUP SHANGHAI RESEARCH INSTITUTE Address before: 201401 Shanghai city Fengxian District Wu Tang Lu No. 369 Building 2 Room 501 Patentee before: SHANGHAI ANYUN TRANSPORT EQUIPMENT CO., LTD. Patentee before: CHINA COAL TECHNOLOGY & ENGINEERING GROUP SHANGHAI RESEARCH INSTITUTE |
|
| 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: 20140416 Termination date: 20160926 |