CN202300437U - Hydraulic valve group protective device for hydraulic support - Google Patents
Hydraulic valve group protective device for hydraulic support Download PDFInfo
- Publication number
- CN202300437U CN202300437U CN2011203794599U CN201120379459U CN202300437U CN 202300437 U CN202300437 U CN 202300437U CN 2011203794599 U CN2011203794599 U CN 2011203794599U CN 201120379459 U CN201120379459 U CN 201120379459U CN 202300437 U CN202300437 U CN 202300437U
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- locking
- eccentric
- valve group
- wheel
- fixed head
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Abstract
The utility model relates to a hydraulic valve group protective device for a hydraulic support in coal production operation. The hydraulic valve group protective device for the hydraulic support is fixedly arranged on a hydraulic valve group through two locking fixed plates and connecting bolts; both ends of two locking rods are hinged with the two locking fixed plates respectively; an eccentric locking mechanism consists of an eccentric locking wheel and two locking pins; the eccentric locking wheel is fixed to the outer side of one locking fixed plate in a hinging manner; the two locking pins are movably fixed to the outer side of the locking fixed plate; the eccentric locking wheel is connected with the two locking pins in a linking manner; and the two locking pins pass through the locking fixed plate respectively, correspond to locking pin holes in the locking rods and are interlocked with the locking rods through the eccentric locking wheel. The hydraulic valve group protective device for the hydraulic support is exquisite in design and convenient to operate and use, has high locking safety and reliability, can effectively prevent the phenomenon of misoperation of the hydraulic valve group caused by accident acting force and can play a positive role in the aspects of ensuring safe production of coal faces.
Description
Technical field
The utility model relates to a kind of safety device, particularly relates to widely used hydraulic support hydraulic pressure valve group protector in a kind of coal production operation.
Background technology
Along with improving constantly of coal mining mechanization degree; Hydraulic support is used widely at coal-face; The critical elements that hydraulic valve bank realizes as the various functions of control hydraulic support; Guaranteeing to bring into play important effect aspect the reliable supporting roof of hydraulic support, when hydraulic support was in static duty, each operating grip of hydraulic valve bank all was in zero-bit.Because the hydraulic valve bank installation site is lower, and do not install any valve misoperation protective device that prevents to operate additional, in actual production, the hydraulic valve operating handle very easily receives the effect of inoperative external force, departs from zero-bit, causes the hydraulic support misoperation and accidents caused.
The utility model content
The utility model is not enough to prior art, proposes a kind of hydraulic support hydraulic pressure valve group protector, can prevent effectively that the incident that hydraulic valve bank receives accidental action power to cause the hydraulic support misoperation from taking place.
The technical scheme that the utility model adopted:
A kind of hydraulic support hydraulic pressure valve group protector comprises two locking fixed heads, two deadlock levers; Center latching mechanism; Said protector is fixedly installed togather through two locking fixed heads and connecting bolt and hydraulic valve bank, and said two deadlock lever two ends are hinged with two locking fixed heads respectively, and the same side of two deadlock levers respectively is provided with a locking pin-and-hole; Said center latching mechanism is made up of an eccentric locking wheel and two lockweights; Said eccentric locking wheel is hingedly fixed in the lateral surface of one of them locking fixed head, and two lockweight activities are fixed on the lateral surface of this locking fixed head, and said eccentric locking wheel is connected with two lockweights; It is corresponding with locking pin-and-hole on the deadlock lever that two lockweights pass the locking fixed head at place respectively, realizes the interlocking with deadlock lever through eccentric locking wheel.
Described hydraulic support hydraulic pressure valve group protector; Center latching mechanism also comprises lockweight back-moving spring, locking guide and locking adapter sleeve and locking adapter sleeve connecting rod; Pack into behind the suit back-moving spring on the said lockweight in the locking guide, said locking guide and locking fixed head are fixedly connected, and the locking adapter sleeve is arranged on outside the locking guide; Respectively be provided with a circular pin hole on said lockweight, the locking adapter sleeve; Said lockweight puts and is provided with a rectangle pin-and-hole, and corresponding back, the position, three pin-and-hole holes on lockweight, locking guide, the locking adapter sleeve connects through connecting pin, and two locking adapter sleeves link together through locking adapter sleeve connecting rod; The eccentric locking wheel that is connected with operating grip is hingedly mounted on this side locking fixed head, said eccentric locking wheel and the interlock of locking adapter sleeve connecting rod coupling.
Described hydraulic support hydraulic pressure valve group protector, locking guide one end is provided with corresponding external screw thread or the Connection Block structure is connected with the locking fixed head, on said locking fixed head, is provided with the internal thread hole with said external screw thread or Connection Block fastening screw coupling.
Described hydraulic support hydraulic pressure valve group protector, the locking fixed head of setting-up eccentricity blocking mechanism is provided with two engaging lugs, and the eccentric locking wheel of said center latching mechanism is hingedly mounted on two engaging lugs through connecting bolt.
The useful good effect of the utility model:
The utility model hydraulic support hydraulic pressure valve group protector; Deft design; Easy to operate, the locking security reliability is high, since coal-face comes into operation; Effectively eliminated the phenomenon that hydraulic valve bank receives accidental action power generation misoperation, guaranteed to bring into play positive role aspect the coal-face safety in production.
Description of drawings
Fig. 1: the utility model hydraulic support hydraulic pressure valve group protector user mode sketch map;
Fig. 2: hydraulic valve bank protector user mode left view shown in Figure 1;
Fig. 3: the utility model hydraulic support hydraulic pressure valve group protector blocking sketch map;
Fig. 4: the utility model hydraulic support hydraulic pressure valve group protector released state sketch map;
Fig. 5 a: center latching mechanism lockweight structural representation;
Fig. 5 b: center latching mechanism locking adapter sleeve bar linkage structure sketch map;
Fig. 5 c: center latching mechanism locking adapter sleeve structural representation;
Fig. 5 d: center latching mechanism lockweight nested structure sketch map;
Fig. 5 e: the eccentric locking wheel construction of center latching mechanism sketch map;
Fig. 6 a: smallclothes locking fixed head structure chart in locking fixed head and the deadlock lever structure;
Fig. 6 b: big part locking fixed head structure chart in locking fixed head and the deadlock lever structure;
Fig. 6 c: deadlock lever structure chart in locking fixed head and the deadlock lever structure (two deadlock lever symmetric arrangement, one of them);
Fig. 6 d: deadlock lever structure chart in locking fixed head and the deadlock lever structure (two deadlock lever symmetric arrangement, one of them).
The specific embodiment
Embodiment one: referring to Fig. 1～Fig. 4, and Fig. 6 a～Fig. 6 d.The utility model hydraulic support hydraulic pressure valve group protector; Comprise two locking fixed heads 1; Two deadlock levers 2, center latching mechanism, said protector is fixedly installed togather through two locking fixed heads 1 and connecting bolt and hydraulic valve bank; Said two deadlock lever 2 two ends are hinged with two locking fixed heads 1 respectively; The same side of two deadlock levers 2 respectively is provided with a locking pin-and-hole 4, and said center latching mechanism is made up of 5 and two lockweights 3 of an eccentric locking wheel, and said eccentric locking wheel 5 is hingedly fixed in the lateral surface of one of them locking fixed head; Two lockweight 3 activities are fixed on the lateral surface of this locking fixed head; Said eccentric locking wheel is connected with two lockweights, and it is corresponding with locking pin-and-hole 4 on the deadlock lever 2 that two lockweights 3 pass the locking fixed head at place respectively, realizes and the interlocking of deadlock lever through eccentric locking wheel.
Embodiment two: referring to Fig. 1～Fig. 4, and Fig. 6 a～Fig. 6 d.The hydraulic support hydraulic pressure valve group protector of present embodiment; Different with embodiment one is; Center latching mechanism also comprises locking guide 3-1 and locking adapter sleeve 3-2 and locking adapter sleeve connecting rod 3-3 shown in Fig. 5 a～Fig. 5 e, in the locking guide 3-1 that packs into after the suit lockweight back-moving spring (not shown) on the lockweight 3; Locking guide 3-1 and locking fixed head are fixedly connected; Locking adapter sleeve 3-2 is arranged on outside the locking guide 3-1, respectively is provided with a circular pin hole on said lockweight, the locking adapter sleeve, and said lockweight puts and is provided with a rectangle pin-and-hole; Corresponding back, position, three pin-and-hole holes on lockweight, locking guide, the locking adapter sleeve connects (seeing Fig. 5 and Fig. 2) through connecting pin 3-4; Two locking adapter sleeves link together through locking adapter sleeve connecting rod 3-3, and the eccentric locking wheel 5 that is connected with operating grip is hingedly mounted on this side locking fixed head 1, eccentric locking wheel 5 and the interlock of locking adapter sleeve connecting rod 3-3 coupling.Two lockweights can be in locking guide 3-1 under the drive of locking adapter sleeve connecting rod 3-3 and locking adapter sleeve 3-2 and lockweight back-moving spring move left and right, thereby realize the locking and the release of lockweight 3 and deadlock lever 2.
Described hydraulic support hydraulic pressure valve group protector, locking guide one end is provided with corresponding external screw thread or the Connection Block structure is connected with the locking fixed head, on said locking fixed head, is provided with the internal thread hole with said external screw thread or Connection Block fastening screw coupling.The locking fixed head of setting-up eccentricity blocking mechanism is provided with two engaging lugs, and the eccentric locking wheel of said center latching mechanism is hingedly mounted on two engaging lugs through connecting bolt.
The utility model hydraulic support hydraulic pressure valve group protector, the composition step of each element is following:
1, with connecting bolt eccentric locking wheel is installed on two engaging lugs of locking fixed head;
2, put lockweight on the locking fixed connecting plate, spring is contained on the lockweight, lockweight is packed in the locking guide;
3, with locking adapter sleeve connecting rod two locking adapter sleeves are connected together, be sleeved on two lockweights and put;
4, the position, hole on adjustment lockweight, locking guide, locking adapter sleeve to three element is corresponding, puts on connecting pin, makes lockweight and locking adapter sleeve composition one, lockweight can be in the locking guide under the drive of locking adapter sleeve move left and right.
The processing and fabricating of the utility model hydraulic support hydraulic pressure valve group protector requires:
After these blocking device Installation and Debugging, should reach:
When free state, 1, the peak excursion point of locking wheel crosses horizontal level, under the center latching mechanism tension, keeps inactive state, the lockweight end stretches out the length of locking fixed head must not be greater than 1.5 millimeters; 2, deadlock lever can around be connected in locking fixedly bearing pin and the loosening connecting bolt on the plate hole rotate flexibly.
When blocking, 1, the lockweight end stretches out about 8 millimeters of the length of locking fixed head, and reliably insert in the obturator hernia of deadlock lever; 2, deadlock lever fixedly under the acting in conjunction of the bearing pin on the plate hole, loosening connecting bolt and lockweight, is in locking state in locking.
Operating principle:
Blocking function is realized: the locking connecting rod is gone to and hydraulic valve bank operating grip both sides; Get to and operate valve handle parallel position to eccentric locking wheel handle; At this moment locking adapter sleeve connecting rod is nearest apart from the position of eccentric wheel rotating shaft; Under the effect of spring tension, lockweight and locking adapter sleeve are towards the side shifting near fixed head, and lockweight passes and inserts from the locking pin-and-hole of fixed connecting plate in the corresponding obturator hernia of deadlock lever; Deadlock lever is pinned, and assurance hydraulic valve bank operating grip is failure to actuate under external force.
Unlocking function is realized: get to and operate valve handle upright position to eccentric locking wheel handle; Lockweight and locking adapter sleeve along with locking adapter sleeve connecting rod towards a side shifting away from fixed head, at this moment eccentric locking wheel peak excursion point is crossed connecting rod, under the spring force effect; Eccentric wheel, eccentric wheel handle and locking adapter sleeve connecting rod are interlocked; Keep inactive state, locking adapter sleeve connecting rod increases apart from the position of eccentric wheel rotating shaft, and lockweight withdraws from from the locking pin-and-hole of fixed connecting plate; The deadlock lever unlocking, the support operative employee can control hydraulic valve bank according to need of work.
Claims (4)
1. a hydraulic support hydraulic pressure valve group protector comprises two locking fixed heads, two deadlock levers; Center latching mechanism; Said protector is fixedly installed togather through two locking fixed heads and connecting bolt and hydraulic valve bank, and it is characterized in that: said two deadlock lever two ends are hinged with two locking fixed heads respectively, and the same side of two deadlock levers respectively is provided with a locking pin-and-hole; Said center latching mechanism is made up of an eccentric locking wheel and two lockweights; Said eccentric locking wheel is hingedly fixed in the lateral surface of one of them locking fixed head, and two lockweight activities are fixed on the lateral surface of this locking fixed head, and said eccentric locking wheel is connected with two lockweights; It is corresponding with locking pin-and-hole on the deadlock lever that two lockweights pass the locking fixed head at place respectively, realizes the interlocking with deadlock lever through eccentric locking wheel.
2. hydraulic support hydraulic pressure valve group protector according to claim 1; It is characterized in that: said center latching mechanism also comprises lockweight back-moving spring, locking guide and locking adapter sleeve and locking adapter sleeve connecting rod; Pack into behind the suit back-moving spring on the said lockweight in the locking guide; Said locking guide and locking fixed head are fixedly connected; The locking adapter sleeve is arranged on outside the locking guide, respectively is provided with a circular pin hole on said lockweight, the locking adapter sleeve, and said lockweight puts and is provided with a rectangle pin-and-hole; Corresponding back, position, three pin-and-hole holes on lockweight, locking guide, the locking adapter sleeve connects through connecting pin; Two locking adapter sleeves link together through locking adapter sleeve connecting rod, and the eccentric locking wheel that is connected with operating grip is hingedly mounted on this side locking fixed head, said eccentric locking wheel and the interlock of locking adapter sleeve connecting rod coupling.
3. hydraulic support hydraulic pressure valve group protector according to claim 2; It is characterized in that: locking guide one end is provided with corresponding external screw thread or the Connection Block structure is connected with the locking fixed head, on said locking fixed head, is provided with the internal thread hole with said external screw thread or Connection Block fastening screw coupling.
4. according to claim 2 or 3 described hydraulic support hydraulic pressure valve group protectors; It is characterized in that: the locking fixed head of setting-up eccentricity blocking mechanism is provided with two engaging lugs, and the eccentric locking wheel of said center latching mechanism is hingedly mounted on two engaging lugs through connecting bolt.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203794599U CN202300437U (en) | 2011-10-09 | 2011-10-09 | Hydraulic valve group protective device for hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203794599U CN202300437U (en) | 2011-10-09 | 2011-10-09 | Hydraulic valve group protective device for hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202300437U true CN202300437U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203794599U Expired - Fee Related CN202300437U (en) | 2011-10-09 | 2011-10-09 | Hydraulic valve group protective device for hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202300437U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383811A (en) * | 2011-10-09 | 2012-03-21 | 永城煤电控股集团有限公司 | Hydraulic valve group protecting device for hydraulic bracket |
| CN104373143A (en) * | 2014-11-17 | 2015-02-25 | 大同煤矿集团有限责任公司 | Limiting device for transversally-arranged operating valve handles of hydraulic support |
-
2011
- 2011-10-09 CN CN2011203794599U patent/CN202300437U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383811A (en) * | 2011-10-09 | 2012-03-21 | 永城煤电控股集团有限公司 | Hydraulic valve group protecting device for hydraulic bracket |
| CN104373143A (en) * | 2014-11-17 | 2015-02-25 | 大同煤矿集团有限责任公司 | Limiting device for transversally-arranged operating valve handles of hydraulic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20121009 |