CN109026091A - A kind of advanced hydraulic support of the rotatable Self-resetting of top beam - Google Patents
A kind of advanced hydraulic support of the rotatable Self-resetting of top beam Download PDFInfo
- Publication number
- CN109026091A CN109026091A CN201811061948.2A CN201811061948A CN109026091A CN 109026091 A CN109026091 A CN 109026091A CN 201811061948 A CN201811061948 A CN 201811061948A CN 109026091 A CN109026091 A CN 109026091A
- Authority
- CN
- China
- Prior art keywords
- column
- top beam
- bulb
- resetting
- washer
- 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
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000008093 supporting effect Effects 0.000 claims description 22
- 239000011435 rock Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 17
- 238000009987 spinning Methods 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 9
- 239000003245 coal Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The present invention discloses a kind of advanced hydraulic support of the rotatable Self-resetting of top beam and its installation method and support process, the main structure of the bracket include pedestal, column, top beam, column and fixing block button for base, the rotatable Self-resetting mechanism of top beam；Pedestal includes base body, column left side briquetting, column right side briquetting；Column includes column cylinder body, the flexible body of rod, column bulb；Top beam includes top beam main body, column needling, the rotatable Self-resetting mechanism limit plate of top beam, the rotatable Self-resetting mechanism fixed pin holes of top beam, pin shaft fixed card slot；The rotatable Self-resetting mechanism of top beam includes column bulb stop collar, Flexible Reset washer.A kind of advanced hydraulic support of the rotatable Self-resetting of top beam of the present invention may be implemented set cap and adapt to the rotation that back condition carries out wide-angle, and top beam posture can automatically reset after dropping frame, can preferably solve existing advanced hydraulic support and connect the problems such as top effect is poor, support efficiency is low, easy generation top beam pin shaft is broken, top beam is fallen to back.
Description
Technical field
The present invention relates to a kind of coal mine advanced hydraulic support more particularly to a kind of advanced liquid of the rotatable Self-resetting of top beam
Bracket is pressed, can effectively improve the advanced hydraulic support adaptability for waiting complex conditions uneven to back.
Background technique
" safety regulations in coal mine " provides necessary strengthening supporting, traditional supporting within the scope of the advanced 20m in working face two ends tunnel
Method mainly uses wood stud, hydraulic prop etc., this support pattern there are supporting intensities low, poor reliability, Gong Renlao
The problems such as fatigue resistance is big.With the development of support technology and equipment, ahead work face supporting is developed into super by hydraulic prop
Preceding hydraulic support, advanced hydraulic support are broadly divided into two major classes, and one kind is using the advanced of double leval jib or telescopic stabilizing mechanism
Hydraulic support, this support apparatus greatly reduce labor intensity of workers, improve support efficiency and effect, but this equipment pair
Complicated roof and floor condition bad adaptability, when tunnel top, bottom plate there are it is uneven when, then bracket connect top effect it is poor and this
There is the destruction of the support repeatedly to top plate in bracket；Another kind of advance timbering is the modular advanced liquid of not design stability mechanism
Bracket is pressed, this bracket solves the problems, such as that above-mentioned advanced hydraulic support supports destruction to roof and floor repeatedly, but due to bracket
Column is fixedly connected with top beam using pin shaft, and this structure type still has the problem for connecing top effect difference.
Application No. is the 201410757835.1 entitled nothings companies of support repeatedly for China Coal Beijing Coal Mining Machinery Co., Ltd.
Continuous supporting advanced hydraulic support, this advanced hydraulic support belong to the second class without the modular advanced hydraulic support supported repeatedly,
It may be implemented when advanced hydraulic support moves frame in such a way that after-frame becomes side arm, it is possible to prevente effectively to the branch repeatedly of back
Support.Currently, rigid connection fixation is carried out without supporting the column of advanced hydraulic support and top beam to be all made of pin shaft repeatedly, when tunnel is pushed up
When plate plane and roadway floor plane are in non-parallel state, contact effect of the top beam of this bracket with roof strata is then very
Difference not only reduces bracket to the supporting effect of top plate, and bracket is easy to generate unbalance loading, and bracket upright post and top beam is caused to connect
Outbound axis is broken, or even the safety accidents such as top beam breaking releasing occur.
Summary of the invention
Based on this, it is necessary to which the technical issues of deforming bad adaptability to back for traditional advanced hydraulic support mentions
The advanced hydraulic support of the adaptive angle rotation of top beam can be carried out according to roof deformation for a kind of, and work as hydraulic support stand
After the completion, when bracket carries out drop frame operation, the rotation angle of top beam can automatically reset to original normal condition.Needle of the present invention
To the above problem, mainly from highly reliable and self-adapted rotation and Self-resetting mechanism, column main body and bulb split-type design, entirety
Three aspects of the installation of structure spiral buckle-type and liquid-supplying system have carried out innovations design.
The present invention provides a kind of advanced hydraulic support of rotatable Self-resetting of top beam, comprising: pedestal, column, top beam, column
With fixing block button for base, the rotatable Self-resetting mechanism of top beam.
The pedestal is formed with roof strata for advanced hydraulic support by effectively being contacted with roadway floor rock stratum
It imitates supporting power and fulcrum is provided.
The column is used to provide effective support power to back.
The top beam forms effective branch to back rock stratum by column for being contacted with back rock stratum
Shield.
The column is used to for column and pedestal being fixed with fixing block button for base, prevents column from horizontal direction shifting occur
It is dynamic.
The rotatable Self-resetting mechanism of top beam is used to carry out column and top beam hingedly, and meets and work as back plane
When being in non-parallel state with roadway floor plane, set cap can be rotated around column bulb；When bracket is dropped
After frame operation, set cap can automatic spinning reduction to normal condition.
Further, the pedestal includes base body, column left side briquetting, column right side briquetting；Wherein, pass through
Briquetting can effectively limit column with briquetting on the right side of column and move up and down on the left of column.
Further, the column includes column cylinder body, stretch the body of rod, column bulb, column bulb and telescopic rod
Body uses split-type design, and the diameter of column bulb should be greater than the diameter of the flexible body of rod, and column bulb passes through the screw thread in bulb
It is connected and fixed with the screw rod on the flexible body of rod；Column bulb setting left side elastic neck and right side elastic neck, it is multiple for placing
Position elastomer, and fastening detent is provided during the installation process for assembly wrench.
Further, the top beam includes top beam main body, column needling, the rotatable Self-resetting mechanism limit of top beam
The rotatable Self-resetting mechanism fixed pin holes of plate, top beam, pin shaft fixed card slot.
Further, the rotatable Self-resetting mechanism of the top beam includes column bulb stop collar, Flexible Reset washer,
The two is all made of circular ring shape whole design.
Further, the column bulb stop collar includes stop collar and top beam fixed card hole, Flexible Reset washer
Fixation hole, Flexible Reset washer fixture block, Flexible Reset washer card slot.
Further, the Flexible Reset washer includes column bulb stop collar connecting hole, elastic washer and top beam
Fixed card hole.
Further, the advanced hydraulic support of the rotatable Self-resetting of a kind of top beam, the feed liquor of two root posts
System uses series design, but two root posts separately design safety valve.
Further, the bracket upright post and top beam use special mounting process, comprising: first limit column bulb
Position ring is placed on the flexible body of rod of column, and column bulb and the column body of rod are then passed through the screw thread and the flexible body of rod in bulb
On screw rod be connected and fixed；Then Flexible Reset washer is placed in column bulb stop collar, and using bolt by resetting bullet
Flexible Reset washer and column bulb stop collar are connected and fixed by property washer fixation hole, column bulb stop collar connecting hole, at this point,
Flexible Reset washer and column bulb are in close contact；The long side of the long side of column bulb stop collar and top beam is placed in parallel, it will
Column bulb is placed in the needling of top beam, and by being rotated by 90 ° clockwise or counterclockwise, can be revolved using pin shaft by top beam
Turn the fixed card hole of Self-resetting mechanism fixed pin holes, stop collar and top beam, elastic washer and the fixed card hole of top beam for top beam and column
It is attached fixation, and is fixed pin shaft by pin shaft fixed card slot using U-shaped card, completes the installation of top beam and column.
A kind of support process of the advanced hydraulic support of the rotatable Self-resetting of top beam is to be used first by column inlet opening
Big flow feed liquid way injects emulsion into column, and two root posts rise at the same time；When set cap and top plate initially contact,
Using small flow feed liquid way, since two root posts are using series connection feed liquor mode, the liquid supply pressure of bracket two root posts is identical, can
To realize coming into full contact with along top beam longitudinal direction set cap and back, at this time top beam can along top beam longitudinal direction around
Two root posts are rotated, and guarantee coming into full contact with for top beam and back；It then proceedes to realize using small flow feed liquid way
Set cap comes into full contact with along top beam short side direction and roof strata surface, and set cap deforms at this time in order to adapt to roof strata
Plane Angle variation afterwards, top beam short side direction will be rotated around column, and rotary course central post bulb transverse shear stress is multiple
The two sides of position elastic washer, lead to the transverse shear stress power that storage is certain in Flexible Reset washer；When set cap and roadway surrounding rock
After surface comes into full contact with, then abundant supporting is carried out to back rock stratum using big flow feed liquid way；Work as advanced hydraulic support
After completing supporting, support height is reduced by the way of small flow drainage first, Flexible Reset washer will discharge column at this time
The transverse shear stress power of bulb, promotes set cap slowly to automatically return to normal condition；Big flow drainage is finally used, is carried out fast
Prompt drop frame completes the supporting circulation of advanced hydraulic support.
A kind of advanced hydraulic support of rotatable Self-resetting provided by the invention, may be implemented set cap around column into
Row is significantly rotated and is automatically reset；Rotatable Self-resetting mechanism ensure that the high reliability of the mechanism using integral design；
By inventing special rotation, buckle-type mounting means, it is reliable, easy for installation to realize the mechanism structure, can be good at solving
Existing advanced hydraulic support is difficult to adapt to the wall rock condition of tunnel complexity, and cause rack pin shaft fracture, top beam is fallen, country rock loses
The problems such as steady.
Detailed description of the invention
Fig. 1 is a kind of advanced hydraulic support agent structure schematic diagram of rotatable Self-resetting of the present invention.
Fig. 2 is the rotatable Self-resetting mechanism structure position view of top beam.
Fig. 3 is rotatable Self-resetting advanced hydraulic support supporting state and normal condition schematic diagram.
Fig. 4 is base body structural schematic diagram.
Fig. 5 is column agent structure schematic diagram.
Fig. 6 is top beam agent structure schematic diagram.
Fig. 7 is column bulb stop collar structural schematic diagram.
Fig. 8 is Flexible Reset washer structure diagram.
Fig. 9 is rotatable Self-resetting mechanism mounting structure sectional view (the normal supporting state of top beam).
Figure 10 is rotatable Self-resetting mechanism mounting structure sectional view (top beam big angle rotary state).
Figure 11 is rotatable Self-resetting mechanism difference installation condition schematic diagram.
Specific embodiment
The present invention will be further described in detail in the following with reference to the drawings and specific embodiments.
It is as shown in Figures 1 to 3 the present invention a kind of main structure and branch of the advanced hydraulic support of the rotatable Self-resetting of top beam
Protect status diagram, comprising: pedestal 1, column 2, top beam 3, column and the rotatable Self-resetting mechanism of fixing block button for base 4, top beam
5。
The pedestal is formed with roof strata for advanced hydraulic support by effectively being contacted with roadway floor rock stratum
It imitates supporting power and fulcrum is provided.
The column is used to provide effective support power to back.
The top beam forms effective branch to back rock stratum by column for being contacted with back rock stratum
Shield.
The column and fixing block button for base are used to effectively fix by column and pedestal, prevent column appearance level side
To movement.
The rotatable Self-resetting mechanism of top beam is used to carry out column and top beam hingedly, and meets and work as back plane
When being in non-parallel state with roadway floor plane, set cap can be rotated around column bulb, that is, be in branch bridge joint
Top beam big angle rotary state 6 behind top guarantees that top beam and back effectively connect top；After bracket carries out drop frame operation, bracket
Top beam can state 7 of the automatic spinning reduction to normal condition, i.e., after automatic spinning reduction.
The pedestal 1 includes base body 11, column left side briquetting 12, column right side briquetting 13；Wherein, pass through a column left side
Side pressing block can effectively limit column with briquetting on the right side of column and move up and down；Column and fixing block button for base 4,11 phase of base body
Even, it is mobile in front, rear, left and right four direction can effectively to limit column, that is, passes through briquetting on the left of fixing block button for base 4, column
12, column is firmly fixed in base body by briquetting 13 on the right side of column.
The column 2 includes column cylinder body 21, the flexible body of rod 22, column bulb 23, and column bulb and the column body of rod use
Split-type design, the diameter of column bulb should be greater than the diameter of the vertical column expanding body of rod, and column bulb passes through the screw thread 24 in bulb
It is connected and fixed with the screw rod 25 on the flexible body of rod；Column bulb setting left side elastic neck 26 and right side elastic neck 27, are used for
Elastic material is placed, realizes that top beam is rotatable around column bulb and the effect to automatically reset may be implemented.
The top beam 3 includes top beam main body 31, column needling 32, the rotatable Self-resetting mechanism limit plate 33 of top beam, top beam
Rotatable Self-resetting mechanism fixed pin holes 34, pin shaft fixed card slot 35.
The rotatable Self-resetting mechanism 5 of top beam includes column bulb stop collar 51, Flexible Reset washer 52, wherein vertical
Stop collar and top beam fixed card hole 53, Flexible Reset washer fixation hole 54, Flexible Reset washer card are designed on column bulb stop collar
Block 55, Flexible Reset washer card slot 56；Column bulb stop collar connecting hole 57, elastic washer and top are designed on Flexible Reset washer
Beam fixes card hole 58；Flexible Reset washer 52 is placed in the Flexible Reset washer fixture block 55 of column bulb stop collar 51, is resetted
In elastic washer card slot 56, and by column bulb stop collar connecting hole 57, Flexible Reset washer fixation hole 54 by column bulb
Stop collar 51 and Flexible Reset washer 52 are attached fixation；By the rotatable Self-resetting mechanism fixed pin holes 34 of top beam by top beam
Rotatable Self-resetting mechanism 5 is connected and fixed with the rotatable Self-resetting mechanism limit plate 33 of top beam；Column bulb stop collar 51 it is interior
Ring design is circular arc type, tight can be carried out with column bulb 23, limitation column bulb moves horizontally, while allowing to stand
Column bulb is rotated around top beam needling；The inner ring of Flexible Reset washer 52 is designed as stalk arch, a left side for stalk side and column bulb
Side elastic neck, right side elastic neck are in close contact；It is advanced to prop up when advance timbering top beam and back rock stratum are in contact
Frame top beam is suitable for roof strata surface angle and rotates around column bulb, in rotary course central post bulb transverse shear stress two
The Flexible Reset washer 52 of side promotes Flexible Reset washer 52 that flexible deformation occurs；When advance timbering is completed to roof strata
After supporting, drop frame operation is carried out to advance timbering, Flexible Reset washer restores flexible deformation, 52 pairs of Flexible Reset washer tops at this time
The horizontal force that beam generates promotes set cap to restore to normal condition, to realize revolving for advanced hydraulic support top beam
Turn and runback bit function.
The rotatable Self-resetting mechanism 5 of top beam uses circular ring shape whole design, improves the reliability of the mechanism；Due to
Using the vertical column expanding body of rod 22 and 23 split-type design of column bulb, column bulb diameter is greater than the column body of rod, and eliminates
The pin shaft connecting hole of traditional column bulb, therefore conventional mounting mode will be unsuitable for the present invention, need using special installation
Technique.
The special mounting process is that column bulb stop collar 51 is placed on the flexible body of rod 22 first, then will
Column bulb 23 is connected and fixed by the screw thread 24 in bulb with the screw rod 25 on the flexible body of rod with the column body of rod 22, at this time left side
Elastic neck 26 and right side elastic neck 27 can be used as the card slot of assembly wrench；Then Flexible Reset washer 52 is placed in column ball
In head stop collar, and by Flexible Reset washer fixation hole 54, column bulb stop collar connecting hole 57 by Flexible Reset washer 52
It is connected and fixed with column bulb stop collar 51；At this point, Flexible Reset washer 52 and column bulb 23 are in close contact；By column bulb
The long side of stop collar and the long side of top beam are placed in parallel, and are now in state 8 before top beam is installed, column bulb is placed in top beam
In needling, and by clockwise or counterclockwise 90 °, using pin shaft by the rotatable Self-resetting mechanism fixed pin holes 34 of top beam,
Stop collar and the fixed card hole 53 of top beam, elastic washer and top beam fix card hole 58 and top beam and column are attached fixation, and benefit
Pin shaft is fixed by pin shaft fixed card slot 35 with U-shaped card, completes the installation of top beam and column, after being now in top beam installation
State 9.
A kind of support process of the advanced hydraulic support of the rotatable Self-resetting of top beam is, vertical by two of advanced hydraulic support
The feed liquor system of column uses series design, but two root posts separately design safety valve.
Emulsion is injected into column using big flow feed liquid way by column inlet opening first, two root posts rise simultaneously
It rises, since two root posts are using series connection feed liquor mode, then the long side of set cap first contacts top plate.
When set cap long side contacts top plate, using small flow feed liquid way, since two root posts are using series connection feed liquor
The liquid supply pressure of mode, bracket two root posts is identical, and set cap is then carried out according to back plane along top beam longitudinal direction
Adjust automatically realizes coming into full contact with along top beam longitudinal direction set cap and back, and top beam can be long along top beam at this time
Edge direction is rotated around two root posts, guarantees coming into full contact with for top beam and back.
Continue to realize that set cap sufficiently connects along top beam short side direction and roof strata surface using small flow feed liquid way
Touching, for set cap in order to adapt to the deformed Plane Angle variation of roof strata, top beam will surround column along short side direction at this time
It rotates, to realize that top beam comes into full contact with back rock stratum, improves bracket to the supporting effect of top plate, prevent
The problems such as traditional advanced hydraulic support is fallen by unbalance loading, the cutting of column pin shaft, top beam, rotary course central post bulb laterally squeezes
The two sides for pressing Flexible Reset washer lead to the transverse shear stress power that storage is certain in Flexible Reset washer.
After set cap and roadway surrounding rock surface come into full contact with, then using big flow feed liquid way to back rock stratum
Carry out abundant supporting.
After advanced hydraulic support completes supporting, support height is reduced by the way of small flow drainage first, it is multiple at this time
Position elastic washer will discharge the transverse shear stress power of column bulb, and set cap is promoted slowly to automatically return to normal condition.
Big flow drainage is finally used, fast prompt drop frame is carried out, completes the supporting circulation of advanced hydraulic support.
Claims (10)
1. a kind of advanced hydraulic support of the rotatable Self-resetting of top beam, which is characterized in that including pedestal, column, top beam, column with
The rotatable Self-resetting mechanism of fixing block button for base, top beam；The pedestal is super by effectively being contacted with roadway floor rock stratum
Preceding hydraulic support forms effective support power to roof strata and provides fulcrum；The column is used to provide effective support to back
Power；The top beam forms effective support to back rock stratum for being contacted with back rock stratum, and by column；Institute
It states column and is used to for column and pedestal being fixed with fixing block button for base, prevent column from horizontal direction occur mobile；The top
The rotatable Self-resetting mechanism of beam is used to carry out column and top beam hingedly, and meets when back plane and roadway floor plane
When in non-parallel state, set cap can be rotated around column bulb；After bracket carries out drop frame operation, top of support
Beam can automatic spinning reduction to normal condition.
2. pedestal according to claim 1, which is characterized in that including briquetting, column right side pressure on the left of base body, column
Block；Wherein, column can be effectively limited with briquetting on the right side of column by briquetting on the left of column to move up and down.
3. column according to claim 1, which is characterized in that including column cylinder body, the flexible body of rod, column bulb, column
Bulb and the flexible body of rod use split-type design, and the diameter of column bulb should be greater than the diameter of the flexible body of rod, and column bulb passes through
Screw thread in bulb is connected and fixed with the screw rod on the flexible body of rod；Column bulb setting left side elastic neck and right side elastic card
Slot provides fastening detent for placing Flexible Reset body, and during the installation process for assembly wrench.
4. top beam according to claim 1, which is characterized in that including top beam main body, column needling, the rotatable runback of top beam
Position mechanism limit plate, the rotatable Self-resetting mechanism fixed pin holes of top beam, pin shaft fixed card slot.
5. the rotatable Self-resetting mechanism of top beam according to claim 1, which is characterized in that including column bulb stop collar,
Flexible Reset washer, the two are all made of circular ring shape whole design.
6. column bulb stop collar according to claim 5, which is characterized in that including the fixed card hole of stop collar and top beam,
Flexible Reset washer fixation hole, Flexible Reset washer fixture block, Flexible Reset washer card slot.
7. Flexible Reset washer according to claim 5, which is characterized in that including column bulb stop collar connecting hole, bullet
Property the washer and fixed card hole of top beam.
8. a kind of advanced hydraulic support of the rotatable Self-resetting of top beam according to claim 1, which is characterized in that two vertical
The feed liquor system of column uses series design, but two root posts separately design safety valve.
9. a kind of advanced hydraulic support of the rotatable Self-resetting of top beam according to claim 1, which is characterized in that branch erects
Column and top beam use special mounting technique, comprising: column bulb stop collar are placed on the flexible body of rod of column first, then
Column bulb is connected and fixed by the screw thread in bulb with the screw rod on the flexible body of rod with the column body of rod；Then by Flexible Reset
Washer is placed in column bulb stop collar, and is connected using bolt by Flexible Reset washer fixation hole, column bulb stop collar
Flexible Reset washer and column bulb stop collar are connected and fixed by hole, at this point, Flexible Reset washer and column bulb are in close contact；
The long side of the long side of column bulb stop collar and top beam is placed in parallel, column bulb is placed in the needling of top beam, and is pressed
It is rotated by 90 ° clockwise or counterclockwise, the rotatable Self-resetting mechanism fixed pin holes of top beam, stop collar and top is passed through using pin shaft
Beam fixes card hole, elastic washer and top beam fixed card hole and top beam and column is attached fixation, and passes through pin using U-shaped card
Axis fixed card slot fixes pin shaft, completes the installation of top beam and column.
10. a kind of support process of the advanced hydraulic support of the rotatable Self-resetting of top beam is to be used first by column inlet opening
Big flow feed liquid way injects emulsion into column, and two root posts rise at the same time；When set cap and top plate initially contact,
Using small flow feed liquid way, since two root posts are using series connection feed liquor mode, the liquid supply pressure of bracket two root posts is identical, can
To realize coming into full contact with along top beam longitudinal direction set cap and back, at this time top beam can along top beam longitudinal direction around
Two root posts are rotated, and guarantee coming into full contact with for top beam and back；It then proceedes to realize using small flow feed liquid way
Set cap comes into full contact with along top beam short side direction and roof strata surface, and set cap deforms at this time in order to adapt to roof strata
Plane Angle variation afterwards, top beam short side direction will be rotated around column, and rotary course central post bulb transverse shear stress is multiple
The two sides of position elastic washer, lead to the transverse shear stress power that storage is certain in Flexible Reset washer；When set cap and roadway surrounding rock
After surface comes into full contact with, then abundant supporting is carried out to back rock stratum using big flow feed liquid way；Work as advanced hydraulic support
After completing supporting, support height is reduced by the way of small flow drainage first, Flexible Reset washer will discharge column at this time
The transverse shear stress power of bulb, promotes set cap slowly to automatically return to normal condition；Big flow drainage is finally used, is carried out fast
Prompt drop frame completes the supporting circulation of advanced hydraulic support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811061948.2A CN109026091B (en) | 2018-09-12 | 2018-09-12 | Leading hydraulic support with rotatable self-resetting top beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811061948.2A CN109026091B (en) | 2018-09-12 | 2018-09-12 | Leading hydraulic support with rotatable self-resetting top beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109026091A true CN109026091A (en) | 2018-12-18 |
| CN109026091B CN109026091B (en) | 2024-05-07 |
Family
ID=64621868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811061948.2A Active CN109026091B (en) | 2018-09-12 | 2018-09-12 | Leading hydraulic support with rotatable self-resetting top beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026091B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812288A (en) * | 2019-03-26 | 2019-05-28 | 河北工程大学 | A kind of postposition guide rod hydraulic support |
| CN109956396A (en) * | 2019-04-19 | 2019-07-02 | 安徽省矿业机电装备有限责任公司 | Modular bracket hoisting structure |
| CN110017158A (en) * | 2019-04-26 | 2019-07-16 | 天地科技股份有限公司上海分公司 | Tunnel safety protective cradle |
| CN111271099A (en) * | 2020-02-20 | 2020-06-12 | 吕梁学院 | Colliery is high strength in pit and unites strutting arrangement |
| WO2021103191A1 (en) * | 2019-11-29 | 2021-06-03 | 山东科技大学 | Roadside support method by using high-water filled props |
| CN113482707A (en) * | 2021-07-19 | 2021-10-08 | 乔轻炳 | Impact-resistant supporting coal conveyor for fully mechanized mining face |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB785470A (en) * | 1955-02-14 | 1957-10-30 | Dobson Ltd W E & F | Improvements in or relating to load supporting props |
| US4004771A (en) * | 1972-09-09 | 1977-01-25 | Gewerkschaft Eisenhutte Westfalia | Ball-and-socket type connections for use with mining apparatus |
| CN2154912Y (en) * | 1993-06-10 | 1994-02-02 | 沈阳矿务局 | Sectional mobile prop |
| CN201502383U (en) * | 2009-09-16 | 2010-06-09 | 北京诚田恒业煤矿设备有限公司 | Single hydraulic prop for sliding hydraulic support |
| CN201771521U (en) * | 2010-05-28 | 2011-03-23 | 三一重型装备有限公司 | Connecting and positioning device of upright post and top beam |
| CN105178990A (en) * | 2015-08-26 | 2015-12-23 | 天地科技股份有限公司 | Series-connection hydraulic support for tunnel floor dinting |
| CN209011855U (en) * | 2018-09-12 | 2019-06-21 | 天地科技股份有限公司 | A kind of advanced hydraulic support of the rotatable Self-resetting of top beam |
-
2018
- 2018-09-12 CN CN201811061948.2A patent/CN109026091B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB785470A (en) * | 1955-02-14 | 1957-10-30 | Dobson Ltd W E & F | Improvements in or relating to load supporting props |
| US4004771A (en) * | 1972-09-09 | 1977-01-25 | Gewerkschaft Eisenhutte Westfalia | Ball-and-socket type connections for use with mining apparatus |
| CN2154912Y (en) * | 1993-06-10 | 1994-02-02 | 沈阳矿务局 | Sectional mobile prop |
| CN201502383U (en) * | 2009-09-16 | 2010-06-09 | 北京诚田恒业煤矿设备有限公司 | Single hydraulic prop for sliding hydraulic support |
| CN201771521U (en) * | 2010-05-28 | 2011-03-23 | 三一重型装备有限公司 | Connecting and positioning device of upright post and top beam |
| CN105178990A (en) * | 2015-08-26 | 2015-12-23 | 天地科技股份有限公司 | Series-connection hydraulic support for tunnel floor dinting |
| CN209011855U (en) * | 2018-09-12 | 2019-06-21 | 天地科技股份有限公司 | A kind of advanced hydraulic support of the rotatable Self-resetting of top beam |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812288A (en) * | 2019-03-26 | 2019-05-28 | 河北工程大学 | A kind of postposition guide rod hydraulic support |
| CN109956396A (en) * | 2019-04-19 | 2019-07-02 | 安徽省矿业机电装备有限责任公司 | Modular bracket hoisting structure |
| CN110017158A (en) * | 2019-04-26 | 2019-07-16 | 天地科技股份有限公司上海分公司 | Tunnel safety protective cradle |
| WO2021103191A1 (en) * | 2019-11-29 | 2021-06-03 | 山东科技大学 | Roadside support method by using high-water filled props |
| CN111271099A (en) * | 2020-02-20 | 2020-06-12 | 吕梁学院 | Colliery is high strength in pit and unites strutting arrangement |
| CN113482707A (en) * | 2021-07-19 | 2021-10-08 | 乔轻炳 | Impact-resistant supporting coal conveyor for fully mechanized mining face |
| CN113482707B (en) * | 2021-07-19 | 2024-04-26 | 乔轻炳 | Impact-resistant supporting coal conveyor for fully mechanized mining face |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109026091B (en) | 2024-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109026091A (en) | A kind of advanced hydraulic support of the rotatable Self-resetting of top beam | |
| CN209011855U (en) | A kind of advanced hydraulic support of the rotatable Self-resetting of top beam | |
| CN109026108B (en) | A kind of intelligent adaptive advanced hydraulic support | |
| CN110284916A (en) | Erosion control alley hydraulic support unit and hydraulic support | |
| CN105221177B (en) | Four columns are floating to shake formula hydraulic support | |
| CN103758543B (en) | Foreset device | |
| CN209430201U (en) | A kind of auxiliary device of shield steel bushing reception | |
| CN210087345U (en) | Roadway support device for inclined coal seam | |
| CN104594932B (en) | Mining supporting support equipment and mining method thereof | |
| CN102797312B (en) | Back-tied stone mounting system and mounting method thereof | |
| CN209228399U (en) | A kind of coal mine step type hydraulic shock-absorption bracket | |
| CN103306697A (en) | Three-column paste body filling hydraulic bracket for underground thin coal seam and four-step paste body filling process | |
| CN105240029B (en) | A kind of fold mechanism and concrete spraying vehicle | |
| CN106545349A (en) | A kind of node apparatus and installation method suitable for tunnel arch Automated assembly | |
| CN201363144Y (en) | Development machine piggyback temporary support | |
| CN103233762B (en) | Two-prop shielding type electro-hydraulic-control top-coal caving hydraulic support | |
| CN101852084A (en) | Forepoling with large inclination working surface and four transverse connecting rods | |
| CN207598274U (en) | Large-inclination-angle coal bed Man-made False facility | |
| CN110130963A (en) | It is a kind of can systemic circulation from move erosion control excavation support | |
| CN202391445U (en) | Hydraulic filling bracket with automatic bag turning mechanism | |
| CN103184880A (en) | Self-moving advance support bracket set | |
| CN209491554U (en) | A kind of fixture for clamping wheel hub of wind turbine | |
| CN208502813U (en) | A kind of coal mine down-hole tunnel anchor rod drilling device | |
| CN203050755U (en) | Automatic movement type advance support bracket group | |
| CN203730036U (en) | Support and winch integrated apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230726 Address after: 100013, 5 Youth Road, Heping Street, Beijing, Chaoyang District Applicant after: TIANDI SCIENCE & TECHNOLOGY Co.,Ltd. Applicant after: Tiandi Ningxia support equipment Co.,Ltd. Address before: 100013 No.5 qingniangou Road, Heping East Street, Chaoyang District, Beijing Applicant before: TIANDI SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |