CN87205395U - Roof-cutting prop with anti-fall & anti-skid device - Google Patents
Roof-cutting prop with anti-fall & anti-skid device Download PDFInfo
- Publication number
- CN87205395U CN87205395U CN 87205395 CN87205395U CN87205395U CN 87205395 U CN87205395 U CN 87205395U CN 87205395 CN87205395 CN 87205395 CN 87205395 U CN87205395 U CN 87205395U CN 87205395 U CN87205395 U CN 87205395U
- Authority
- CN
- China
- Prior art keywords
- post
- utility
- prop
- model
- columns
- 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.)
- Withdrawn
Links
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model relates to a roof cutting prop with a sliding and tilting prevention device. The utility model relates to a supporting device for working faces of mines and is composed of major columns, auxiliary columns, movable jacks, etc. When in work, the major columns and the auxiliary columns respectively move forwards, at least one major column supports a top and a bottom plates, the support of the top plate is reliable, and the prop can reliably realize the function of the sliding and the tilting prevention. Besides, a sliding chute is also positioned stably, and even the upright column moves forwards, the sliding chute can be free of transposition or deformation. Furthermore, the utility model has the advantages of high reliability, simple structure, convenient operation, and easy maintenance.
Description
The utility model relates to a kind of coal mine work area suspension device, and what be particularly useful for that the inclined cut requires anti-skid cuts the top hydraulic prop.
External many hydraulic props, hydraulic prop as Britain road ladder company, the Γ Β Τ type hydraulic prop of the Soviet Union, domestic HYC6 type hydraulic prop of also manufacturing experimently and number of patent application are that 85200085 hydraulic prop does not all have anti-down reliably, shoe, so poor stability in the work is toppled over easily, is glided.
The utility model is to design a kind of hydraulic prop anti-down, anti-skidding effect that has in order to overcome above-mentioned shortcoming.
The utility model is mainly by principal post, auxilliary post, square guide rail with move and slip jack and form.The principal post bottom is connected in an end of square rail, the other end is connected on the piston rod that moves the slide jack, auxilliary post is connected on the cylinder body that moves the slide jack, move slide jack hydraulic cylinder end and be provided with hydraulic control device, can handle the lifting of principal post, auxilliary post and chute, the reach of auxilliary post and the reach of principal post respectively by its control valve.
The utility model is relatively simple for structure, and is easy to use; Except that make principal post can be anti-down reliably, anti-skidding, also make the position of chute obtain fixing reliably.
Accompanying drawing is a schematic diagram of the present utility model:
1. principal post
2. auxilliary post
3. junction plate
4. square guide rail
5. move the slide jack
6. hydraulic control unit
7,8,9 hinge pins.
Below in conjunction with description of drawings the utility model embodiment: principal post 1 is with general hydraulic prop is the same is made up of major parts such as hydraulic cylinder piston and piston rods, cylinder body is connected in the collet, the left end of collet and square guide rail 4 is hinged by hinge pin 9, the other end of square guide rail 4 is connected with the piston rod that moves slide jack 5, hydraulic control device 6 is equipped with in the rear end of moving slide jack cylinder body, auxilliary post 2 also is made up of hydraulic cylinder, piston, piston rod and the major parts such as bracket that have a square guide rail, the square guide rail of bracket and square guide rail 4 compositions slide and pay, and auxilliary post 2 can slide along square guide rail 4; The cylinder body size of auxilliary post 2 is less, and auxilliary post 2 and junction plate 3 are hinged by hinge pin 8, and the other end of junction plate 3 is hinged by hinge pin 7 with the cylinder body that moves slide jack 5; Chute groove nation is hinged with the protuberance at the hydraulic cylinder rear portion of moving slide jack 5.During work, corresponding control valve by hydraulic control device 6, make auxilliary post 2 fall post, the corresponding control valve of following operating hydraulically operated control device 6 makes the logical pressure fluid of the back cavity of the hydraulic cylinder that moves slide jack 5, hydraulic cylinder drives chute and 2 reaches of auxilliary post, after putting in place, the corresponding control valve of operating hydraulically operated again control device 6 makes auxilliary post 2 setting props, so auxilliary post 2 is supported between top, the base plate; Corresponding control valve by hydraulic control device 6 makes principal post 1 fall post again, and makes to move through corresponding control valve and slip the jack ante-chamber and feed pressure fluid with principal post 1 reach.Last principal post 1 setting prop makes it to be supported between top, the base plate.Because principal post, auxilliary post always have one supporting top, base plate during reach, so top board obtains reliable supporting, work safety; Principal post, auxilliary post are paid, are moved slide jack and junction plate etc. by square guide rail and connect into an organic whole, can move forward neatly, again can be anti-down reliably, anti-skidding; Chute is being fixed firmly, i.e. dislocation or distortion can not take place in chute yet during principal post reach.
Claims (1)
1, a kind of breaking-off timber of being made up of major parts such as hydraulic cylinder, piston and piston rods (principal post) is characterized in that it is anti-down, an end of the square guide rail of shoe is connected the principal post bottom, and the other end is connected on the piston rod that moves the slide jack; Auxilliary post is loaded on the square guide rail, links to each other with the hydraulic cylinder that moves the slide jack by junction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87205395 CN87205395U (en) | 1987-11-28 | 1987-11-28 | Roof-cutting prop with anti-fall & anti-skid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87205395 CN87205395U (en) | 1987-11-28 | 1987-11-28 | Roof-cutting prop with anti-fall & anti-skid device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87205395U true CN87205395U (en) | 1988-08-17 |
Family
ID=4821157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87205395 Withdrawn CN87205395U (en) | 1987-11-28 | 1987-11-28 | Roof-cutting prop with anti-fall & anti-skid device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87205395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519951B (en) * | 2009-04-02 | 2013-10-02 | 兖州煤业股份有限公司 | Underground special hydraulic loader |
| CN108716414A (en) * | 2018-03-23 | 2018-10-30 | 山东省田庄煤矿有限公司 | A kind of no top beam hydraulic rack |
-
1987
- 1987-11-28 CN CN 87205395 patent/CN87205395U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101519951B (en) * | 2009-04-02 | 2013-10-02 | 兖州煤业股份有限公司 | Underground special hydraulic loader |
| CN108716414A (en) * | 2018-03-23 | 2018-10-30 | 山东省田庄煤矿有限公司 | A kind of no top beam hydraulic rack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100371559C (en) | Hydraulic supporter for end of widening working face | |
| US4041715A (en) | Pit prop with liftable front end | |
| CN104695996A (en) | Full loading self-moving anti-toppling and anti-slipping hydraulic support | |
| CN210068218U (en) | Multipurpose roadway advance support hydraulic support | |
| CN87205395U (en) | Roof-cutting prop with anti-fall & anti-skid device | |
| US5100263A (en) | Mine roof support assembly | |
| CN2154912Y (en) | Sectional mobile prop | |
| CN110748364B (en) | Caving coal hydraulic support breaker | |
| US4560306A (en) | Coal face support | |
| CN200999625Y (en) | Cover type hydraulic support | |
| CN202645610U (en) | Hydraulic support and engineering machinery | |
| CN112377233B (en) | End bracket moving method | |
| CN213016415U (en) | Advanced hydraulic support | |
| CN212198333U (en) | Portable new energy automobile maintenance platform | |
| CN201314238Y (en) | Great mining height hydraulic bracket for top coal caving | |
| CN211549734U (en) | Fully-mechanized mining working face roadway advance support hydraulic support | |
| CN2349349Y (en) | Connection mechanism for parallel arranged moving roof hydraulic support | |
| CN221610013U (en) | Self-moving unit type advanced hydraulic support for coal face gateway | |
| CN213088039U (en) | Two-column type transition support for fully mechanized coal mining face in underground coal mine | |
| CN217176674U (en) | Combined hydraulic support | |
| CN204646287U (en) | Full carrying is from being shifted elsewhere for garrison duty anti-skidding hydraulic support | |
| CN205225294U (en) | Anchor ware moves back fast | |
| CN2212078Y (en) | Lowing device for hydraulic rack | |
| CN203201578U (en) | Large-dip-angle thin coal seam hydraulic support | |
| CN218844341U (en) | Big inclination tunnel unit fore support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |