CN1912553A - Buffer type hydraulic weighing device - Google Patents
Buffer type hydraulic weighing device Download PDFInfo
- Publication number
- CN1912553A CN1912553A CN 200610086248 CN200610086248A CN1912553A CN 1912553 A CN1912553 A CN 1912553A CN 200610086248 CN200610086248 CN 200610086248 CN 200610086248 A CN200610086248 A CN 200610086248A CN 1912553 A CN1912553 A CN 1912553A
- Authority
- CN
- China
- Prior art keywords
- piston rod
- cylinder body
- weighing device
- buffer type
- type hydraulic
- 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.)
- Granted
Links
- 238000005303 weighing Methods 0.000 title claims description 19
- 238000013016 damping Methods 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 25
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 5
- 238000013480 data collection Methods 0.000 abstract 2
- 239000003245 coal Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Actuator (AREA)
Abstract
A hydraulic weight device of buffer type consists of data collection system, cylinder body with air vent and air intake holes, piston rod with sink hole, disc spring set in said sink hole, damping baffle with a numbers of through holes, disc spring baffle with impact proof seal washer, oil cylinder guarding cover buckled on cylinder body, guide sleeve set between piston rod and cylinder body, and pressure transmitter connected to data collection system.
Description
Technical field
The present invention relates to buffer type hydraulic weighing device, be particularly useful for the quantitative weighing that the mine vertical shaft skip promotes.
Background technology
At present, during vertical shaft skip before China's the seventies and the seventies promotes, because design reasons, all there is not the measure hopper device, therefore cause skip bucket overload even secondary to load, be very easy to cause wire rope to skid, break and restrict, bring great potential safety hazard to mine hoisting, in case accident takes place, and severe patient is influenced Coal Production.For addressing this problem, scientific and technical personnel have done a large amount of work, the patent No. is that 94242384.4 disclosed " the static pressure type skip bucket quantitative weighing instrument " and the patent No. are 88217240.9 disclosed " quantitative loading mensuration control system ", all adopt hydraulic cylinder to convert the skip loading amount to fuel injection pressure signal, convert fuel injection pressure signal to electric signal by oil pressure sensor again, processing of circuit after testing, computing and demonstration realize weighing.Though they can solve the quantitative of New Built Mine skip bucket and reduce the impulsive force of coal stream, its complex structure, the cost height especially can not solve the problem that old-fashioned mine exists.The patent No. is that 200420027170.0 " automatic fixed-weight loading equipments of energy-absorption type " and disclosed application number are 200410014944.0 patent of invention " the automatic fixed-weight loading equipment of energy-absorption type ", what be mainly used in that old mine vertical shaft skip promotes decides weight and loading, it can be accurately and realizes the heavy cartridges of deciding of no quantitative vertical shaft skip lifting reliably, it is quantitatively accurate, good reliability, but, energy absorption device and weighing device divide body structure because adopting, have following shortcoming: it is big to take up room, stability is unreliable, is unsuitable for narrow and small scene, Lao Jing space.
Summary of the invention
Technical matters: it is a kind of quantitatively accurate to the purpose of this invention is to provide, good reliability, and compact conformation, floor area is little, easy to operate buffer type hydraulic weighing device.
Technical scheme: it comprises data acquisition system (DAS), also comprise the cylinder body that is provided with port, be provided with the piston rod that the bottom has counterbore in the cylinder body, be provided with disk spring in the counterbore of piston rod, and be provided with the dish spring baffle plate of shock resistance O-ring seal, the lower end of dish spring baffle plate is provided with the damping baffle plate that has some through holes, and the top of piston rod is provided with the oil cylinder protecting cover that fixes and be fastened on it on cylinder body; Be provided with orienting sleeve between piston rod and the cylinder body; Inferior part of the cylinder block leaves the closed cavity that is full of hydraulic oil; The oil supply hole of cylinder body is provided with the pressure unit that links to each other with data acquisition system (DAS).
Buffer type hydraulic weighing device of the present invention is provided with rubber spring between described piston rod and the oil cylinder protecting cover; The shoulder that described piston rod matches with cylinder body is provided with 0 RunddichtringO and shock resistance RunddichtringO; The mating surface of described piston rod and orienting sleeve is provided with O-ring seal and L type dust ring; Described dish spring baffle plate and piston rod cavity wall mating surface are provided with the shock resistance RunddichtringO; Be provided with stop valve between described pressure unit and the oil supply hole.
Beneficial effect: buffer type hydraulic weighing device of the present invention is best suited for the quantitative weighing that the mine vertical shaft skip promotes.It reaches hydraulic oil in the closed cavity that inferior part of the cylinder block forms by piston rod bottom surface and cylinder bottom by the piston rod that is provided with in the oil cylinder protecting cover that matches with cylinder body, the cylinder body with pressure, make its supercharging, airtight fluid is along with pressure increases by damping hole on the damping baffle plate, with force transmission to dish spring baffle plate, its compression disk spring is cushioned, stable back converts oil pressure to current signal by pressure unit and flows to data acquisition system (DAS), and data acquisition system (DAS) shows the weight of producing coal with skip bucket after data processing.This device has buffering, detection, control, carries out a mouthful function that shows, solved the anti-impact force problem in the loading process, can be accurately and realize the heavy cartridges of deciding of no quantitative vertical shaft skip lifting reliably, its compact conformation is reasonable, cost is low, quantitatively accurately, good reliability has practicality widely.
Description of drawings
Accompanying drawing is a buffer type hydraulic weighing device structural drawing of the present invention.
Among the figure: 1-oil cylinder protecting cover, 2-rubber spring, 3-piston rod, 4-orienting sleeve; the 5-dust ring, 6-dish spring baffle plate, 7-cylinder body, 8-backing pin; the 9-O RunddichtringO, 10-damping baffle plate, 11-bleeder screw, 12-hydraulic oil; the 13-cylinder bottom, 14-joint bolt, 15-disk spring, 16-L type dust ring; the 17-O-ring seal, 18-shock resistance RunddichtringO, 19-screw, 20-stop valve; the 21-pressure unit, 22-data acquisition system (DAS), 23-protective cover.
Embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
Buffer type hydraulic weighing device of the present invention, it is mainly by oil cylinder protecting cover 1, piston rod 3, orienting sleeve 4, dish spring baffle plate 6, cylinder body 7, damping baffle plate 10, bleeder screw 11, cylinder bottom 13, disk spring 15, stop valve 20, pressure unit 21, data acquisition system (DAS) 22 is formed.Piston rod 3 is located in the cylinder body 7; can move up and down; piston rod 3 has counterbore downwards; be provided with disk spring 15 and spring stop 6 in the hole; piston rod 3 bottoms are provided with damping baffle plate 10; have several apertures on the damping baffle plate 10; damping baffle plate 10 connects with piston rod 3 by screw 19; spring stop 6 and disk spring 15 are closed in the counterbore chamber of piston rod 3; disk spring 15 zone on damping baffle plate 10 is injected certain hydraulic oil and is used for protecting disk spring 15, and the fluid height is designed to the maximum compressibility that dish spring elemental height deducts the dish spring and is driven plain to prevent the dish spring.Hole on the piston rod 3 is used for installing disk spring 15 on the one hand, has alleviated weight on the other hand, and disk spring 15 can play the effect of buffering absorbing.Be provided with shock resistance RunddichtringO 18 between dish spring baffle plate 6 and piston rod 3 internal chamber walls; The shoulder that piston rod 3 matches with cylinder body 7 is provided with O RunddichtringO 9 and shock resistance RunddichtringO 18, and shock resistance RunddichtringO 18 has corrosion-resistant, shock-resistant, high voltage bearing characteristic.The port of cylinder body 7 is provided with the orienting sleeve 4 that matches with piston rod 3, and orienting sleeve 4 is provided with O-ring seal 17 and L type dust ring 16 with the mating surface of piston rod 3, scratches piston rod 3 bar walls to prevent coal dust from entering gap between the two.Oil cylinder protecting cover 1 is interlocked together with cylinder body 7, between be provided with dust ring 5 and backing pin 8, enter oil cylinder protecting cover 1 inner chamber to prevent coal ash.Accompany the rubber spring 2 that one deck plays buffer protection function between piston rod 3 and the oil cylinder protecting cover 1, oil cylinder protecting cover 1 tightens together by screw 14 and piston rod 3.The bottom of cylinder body 7 forms a closed cavity that is full of hydraulic oil 12 by the bottom surface and the cylinder bottom 13 of dish spring baffle plate 6; vent port and oil supply hole are equipped with in the lower end of cylinder body 7; bleeder screw 11 is housed on the vent port; Purchased Item pressure unit 21 is housed on the oil supply hole; between oil supply hole and the pressure unit 21 Purchased Item stop valve 20 is installed, protective cover 23 is equipped with in stop valve 20 and pressure unit 21 outsides.When pressure unit 21 damages, close stop valve 20, can change pressure unit 21 easily, pressure unit 21 links to each other with data acquisition system (DAS) 22.When closed cavity injects hydraulic oil 12, inject hydraulic oil till vent port overflows from oil supply hole, can guarantee to be full of in the cavity hydraulic oil 12 like this.
Principle of work: when skip bucket impacts oil cylinder protecting cover 1 with certain speed, oil cylinder protecting cover 1 absorbs the impulsive force part of skip bucket by rubber spring 2, another part is delivered on the dish spring baffle plate 6 by hydraulic oil 12, thereby pass to disk spring 15, absorb the impact energy of skip bucket by the elastic deformation of disk spring 15; When in skip bucket, coalingging, the weight of coal and skip bucket is passed on the hydraulic oil 12 in the closed chamber that dish spring baffle plate 6, cylinder body 7 and cylinder bottom 13 formed by piston rod 3, the weight of coal and skip bucket makes the oil pressure of hydraulic oil 12 increase through the transmission of piston rod 3, convert oil pressure to current signal by pressure unit 21 and flow to data acquisition system (DAS) 22, data acquisition system (DAS) 22 can show the weight of producing coal with skip bucket after data processing.
Claims (6)
1. buffer type hydraulic weighing device, it comprises data acquisition system (DAS) (22), it is characterized in that: also comprise the cylinder body (7) that is provided with port, be provided with the piston rod (3) that the bottom has counterbore in the cylinder body (7), be provided with disk spring (15) in the counterbore of piston rod (3), and be provided with the dish spring baffle plate (6) of shock resistance O-ring seal, the lower end of dish spring baffle plate (6) is provided with the damping baffle plate (10) that has some through holes, and the top of piston rod (3) is provided with the oil cylinder protecting cover (1) that fixes and be fastened on it on cylinder body (7); Be provided with orienting sleeve (4) between piston rod (3) and the cylinder body (7); The closed cavity that is full of hydraulic oil (12) is left in cylinder body (7) bottom; The oil supply hole of cylinder body (7) is provided with the pressure unit (21) that links to each other with data acquisition system (DAS) (22).
2. buffer type hydraulic weighing device according to claim 1 is characterized in that: be provided with rubber spring (2) between described piston rod (3) and the oil cylinder protecting cover (1).
3. buffer type hydraulic weighing device according to claim 1 and 2 is characterized in that: the shoulder that described piston rod (3) matches with cylinder body (7) is provided with O RunddichtringO (9) and shock resistance RunddichtringO (18).
4. buffer type hydraulic weighing device according to claim 1 and 2 is characterized in that: described piston rod (3) is provided with O-ring seal (17) and L type dust ring (16) with the mating surface of orienting sleeve (4).
5. buffer type hydraulic weighing device according to claim 1 and 2 is characterized in that: described dish spring baffle plate (6) is provided with shock resistance RunddichtringO (18) with piston rod (3) internal chamber wall mating surface.
6. buffer type hydraulic weighing device according to claim 1 is characterized in that: be provided with stop valve (20) between described pressure unit (21) and the oil supply hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610086248XA CN100439881C (en) | 2006-08-26 | 2006-08-26 | Buffer type hydraulic weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610086248XA CN100439881C (en) | 2006-08-26 | 2006-08-26 | Buffer type hydraulic weighing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1912553A true CN1912553A (en) | 2007-02-14 |
| CN100439881C CN100439881C (en) | 2008-12-03 |
Family
ID=37721552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610086248XA Expired - Fee Related CN100439881C (en) | 2006-08-26 | 2006-08-26 | Buffer type hydraulic weighing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100439881C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234052A (en) * | 2010-04-24 | 2011-11-09 | 徐州泰荣煤矿设备有限公司 | Automatic quantitative loading system for inclined shaft skip |
| CN102353435A (en) * | 2011-07-06 | 2012-02-15 | 煤炭工业济南设计研究院有限公司 | Hydraulic buffer type automation weighing apparatus |
| CN104989779A (en) * | 2015-07-16 | 2015-10-21 | 周通 | Triple shock absorber |
| CN105466530A (en) * | 2015-11-30 | 2016-04-06 | 蚌埠大洋传感系统工程有限公司 | Hydraulic unbalance-loading prevention weighing sensor |
| CN114562636A (en) * | 2022-01-28 | 2022-05-31 | 中国矿业大学 | Self-resetting support adaptive to uneven settlement |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4917198A (en) * | 1988-11-02 | 1990-04-17 | Peter Sing | Simultaneous multiple weighing inventory system |
| CN2070902U (en) * | 1990-06-11 | 1991-02-06 | 上海铁路局工业公司 | Hydraulic oil pump for weighing |
| CN2206947Y (en) * | 1994-08-06 | 1995-09-06 | 中国矿业大学 | static pressure type skip quantitative weighing instrument |
| CN2833534Y (en) * | 2005-08-29 | 2006-11-01 | 常熟市新虞电器有限责任公司 | Weighing device for mine |
| CN200958960Y (en) * | 2006-08-26 | 2007-10-10 | 中国矿业大学 | Hydraulic buffer weighing equipment |
-
2006
- 2006-08-26 CN CNB200610086248XA patent/CN100439881C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234052A (en) * | 2010-04-24 | 2011-11-09 | 徐州泰荣煤矿设备有限公司 | Automatic quantitative loading system for inclined shaft skip |
| CN102353435A (en) * | 2011-07-06 | 2012-02-15 | 煤炭工业济南设计研究院有限公司 | Hydraulic buffer type automation weighing apparatus |
| CN102353435B (en) * | 2011-07-06 | 2012-08-01 | 煤炭工业济南设计研究院有限公司 | Hydraulic buffer type automation weighing apparatus |
| CN104989779A (en) * | 2015-07-16 | 2015-10-21 | 周通 | Triple shock absorber |
| CN105466530A (en) * | 2015-11-30 | 2016-04-06 | 蚌埠大洋传感系统工程有限公司 | Hydraulic unbalance-loading prevention weighing sensor |
| CN105466530B (en) * | 2015-11-30 | 2018-06-08 | 蚌埠大洋传感系统工程有限公司 | A kind of hydraulic pressure anti-bias load weighing sensor |
| CN114562636A (en) * | 2022-01-28 | 2022-05-31 | 中国矿业大学 | Self-resetting support adaptive to uneven settlement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100439881C (en) | 2008-12-03 |
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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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20070214 Assignee: Xuzhou Coalmine Safety Equipment Manufacturing Co., Ltd. Assignor: China University of Mining & Technology Contract record no.: 2010320000305 Denomination of invention: Buffer type hydraulic weighing device Granted publication date: 20081203 License type: Exclusive License Record date: 20100324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081203 Termination date: 20140826 |
|
| EXPY | Termination of patent right or utility model |