CN217354432U - Constant-support push-pull stepping self-moving type advance support hydraulic support - Google Patents
Constant-support push-pull stepping self-moving type advance support hydraulic support Download PDFInfo
- Publication number
- CN217354432U CN217354432U CN202221283495.XU CN202221283495U CN217354432U CN 217354432 U CN217354432 U CN 217354432U CN 202221283495 U CN202221283495 U CN 202221283495U CN 217354432 U CN217354432 U CN 217354432U
- Authority
- CN
- China
- Prior art keywords
- support
- back timber
- hydraulic
- type frame
- frame back
- 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.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
Constant support push-and-pull is step-by-step from moving formula advance support hydraulic support, include outer groined type frame back timber and establish the inside interior groined type frame back timber outside the groined type frame back timber, outer groined type frame back timber bottom rectangular array is equipped with a plurality of outer hydraulic prop, interior groined type frame back timber bottom rectangular array is equipped with a plurality of interior hydraulic prop, mutual support and along the fore-and-aft direction relative slip setting between outer groined type frame back timber and the interior groined type frame back timber, be equipped with the step-by-step pneumatic cylinder of central line along the fore-and-aft direction between outer groined type frame back timber and the interior groined type frame back timber. The utility model discloses a forepoling hydraulic support's self-moving has also realized permanent support when self-moving, has improved the work efficiency who removes forepoling hydraulic support, has also promoted the security. The utility model discloses flexible operation, efficiency of construction are high, are particularly suitable for being applied to trades constructions such as coal, highway tunnel as one of key auxiliary technology, have fine popularization and application and worth.
Description
Technical Field
The utility model belongs to the technical field of coal mine safety production, concretely relates to permanent support push-and-pull is step-by-step from moving formula advance support hydraulic support.
Background
Excavation disturbance of the stope of the underground coal mine coal face can cause the influence of advanced supporting pressure on the front of the face within a certain range, and certain advanced supporting measures are needed to control the deformation of surrounding rocks of the upper and lower crossheading tunnels of the face, so that the problems of instability, roof fall of the tunnel, personnel safety accidents and economic and financial losses due to untimely and reasonable supporting of the upper and lower crossheading advanced sections are avoided. During the stoping period of the coal mine working face, under the influence of the advance support pressure, advance support is implemented on the upper and lower chutes during the stoping operation, and the advance support moves forwards along with the advancing circulation of the working face. In daily production, the main advance support mode is a single column, and some special supports for advance support are also provided. The single column is economical in price, but is large in labor intensity of workers due to disassembly and movement, and is heavy due to the supporting requirement of advance support, so that the potential safety hazard of smashing the workers exists. The advance support special bracket in the current market has the disadvantages of complex structure, poor mechanical reliability and high price.
SUMMERY OF THE UTILITY MODEL
The utility model provides a constant support push-pull step self-moving type advance support hydraulic support which has simple structure, low cost, high safety and reliability, convenient and quick movement, and solves the defects in the prior art; aiming at ensuring that the supporting device has enough supporting strength, the single prop can be prevented from being detached, and the pushing and pulling are realized under a constant supporting state, so that the time and labor are saved, and the supporting device is safe and efficient.
In order to solve the technical problem, the utility model adopts the following technical scheme: constant support push-and-pull is step-by-step from moving formula advance support hydraulic support, include outer groined type frame back timber and establish the inside interior groined type frame back timber at outer groined type frame back timber, outer groined type frame back timber bottom rectangular array is equipped with a plurality of outer hydraulic prop, interior groined type frame back timber bottom rectangular array is equipped with a plurality of interior hydraulic prop, mutual support and along the setting of front and back direction relative slip between outer groined type frame back timber and the interior groined type frame back timber, be equipped with the step-by-step pneumatic cylinder of central line along fore-and-aft direction between outer groined type frame back timber and the interior groined type frame back timber.
Outer groined type frame back timber includes two outer long longerons that set up along the fore-and-aft direction and two outer short beam that set up along the left right direction, two outer short beam settings are in two outer long longeron bottoms and through first connecting piece and outer long longeron fixed connection, outer hydraulic prop sets up four, four outer hydraulic prop upper ends are all connected in two outer long longeron bottoms through articulated seat outward, wherein two outer hydraulic prop are located the front side of the outer long longeron of front side, two outer hydraulic prop are located the rear side of the outer long longeron of rear side in addition.
The inner groined frame top beam comprises two inner long longitudinal beams arranged along the front-back direction and two inner short cross beams arranged along the left-right direction, the two inner short cross beams are arranged at the bottoms of the two inner long longitudinal beams and are fixedly connected with the inner long longitudinal beams through second connecting pieces, four inner hydraulic struts are arranged, and the upper ends of the four inner hydraulic struts are connected to the bottoms of the two inner long longitudinal beams through inner hinged seats; the two inner long longitudinal beams and the two outer long longitudinal beams are positioned at the same height, the two inner short cross beams and the two outer short cross beams are positioned at the same height, the two inner long longitudinal beams are positioned between the two outer long longitudinal beams, and the two inner short cross beams are positioned between the two outer short cross beams; two of the inner hydraulic support columns are close to the front end part of the inner long longitudinal beam, and the other two inner hydraulic support columns are positioned on the rear side of the rear inner long longitudinal beam.
The middle upper part of the inner short cross beam on the front side is provided with a first hinged support, the middle upper part of the outer short cross beam on the front side is provided with a second hinged support, and the front end and the rear end of the stepping hydraulic cylinder are respectively hinged on the first hinged support and the second hinged support.
The left end part of the outer short crossbeam and the left end part of the inner short crossbeam are flush with the left side surface of the left outer long longitudinal beam, and the right end part of the outer short crossbeam and the right end part of the inner short crossbeam are flush with the right side surface of the right outer long longitudinal beam.
The outer short crossbeam upper surface is equipped with first smooth resistant layer that rubs between two outer long longerons, and the upper surface that interior short crossbeam both ends stretched out two interior long longerons all is equipped with the smooth resistant layer that rubs of second.
By adopting the technical scheme, when the utility model is normally supported, the lower ends of all the inner hydraulic props and the outer hydraulic props are supported on the roadway bottom plate, and the top parts of the outer # -shaped frame top beams and the inner # -shaped frame top beams support the roadway top plate;
when the movable hydraulic prop needs to be moved, firstly, all the inner hydraulic props are retracted upwards to enable the lower ends of the inner hydraulic props to be separated from (suspended in the air) a roadway bottom plate, at the moment, the outer hydraulic props and the outer groined frame top beams are in a fixed support state on the roadway top plate, the inner groined frame top beams are supported by two outer short cross beams, then, the stepping hydraulic cylinders are started to retract for 800mm, the stepping hydraulic cylinders retract and simultaneously pull the inner long longitudinal beams on the front side forwards to move forwards, the two inner long longitudinal beams of the inner groined frame top beams are driven to slide forwards along the upper surfaces of the two outer short cross beams, and after the inner groined frame top beams slide forwards to a proper position, the inner hydraulic props extend downwards to be supported on the roadway bottom plate; then retracting all the outer hydraulic struts upwards to separate (suspend) the lower ends of the outer hydraulic struts from a roadway bottom plate, wherein the inner hydraulic struts and the inner groined-shaped frame top beams are in a fixed support state on the roadway top plate, the outer groined-shaped frame top beams are supported by two inner short cross beams, then starting a stepping hydraulic cylinder to extend for 800mm, and pulling the outer short cross beam on the front side forwards in the extension process of the stepping hydraulic cylinder so as to drive two outer long longitudinal beams of the outer groined-shaped frame top beams to slide forwards along the upper surfaces of the two inner short cross beams, and after the outer groined-shaped frame top beams slide forwards in place, the outer hydraulic struts extend downwards to be supported on the roadway bottom plate; the self-moving of the hydraulic support of the advance support is realized according to the cycle and reciprocation of the operation process, and meanwhile, four hydraulic supports are always used for supporting a top plate and a bottom plate of a roadway in the self-moving process, so that constant support is realized, and the safety of the construction of a coal face is improved.
The utility model discloses the main part adopts inside and outside two sets of groined type frame back timber to constitute (if the tunnel broad can design into three 12 hydraulic prop of group and increase supporting strength, width, inside and outside two sets of groined type frame back timber bottom respectively six hydraulic pressure preparation). Each group of 2 long longitudinal beams are fixed into a shape like a Chinese character 'jing' through two short cross beams matched with the longitudinal beams. The front part and the rear part of the top beam of each group of the groined frame are provided with 2 pairs (4) of connecting positions for connecting the single hydraulic prop and are connected with 8 single hydraulic props, so that the support of the forepart of the mining roadway is realized. Two short cross beams at the front end parts of the two groups of the groined frame top beams are connected through a stepping hydraulic cylinder parallel to the long longitudinal beam, and the alternate push-pull stepping of the inner groined frame top beam and the outer groined frame top beam is realized by controlling the extension and retraction of the inner column of the stepping hydraulic cylinder. Triangular guide tips are arranged at the front end and the rear end of the long longitudinal beams of the two groups of the groined frame top beams and guide when moving forwards or backwards.
The utility model provides a pair of horizontal support is from moving formula advance support hydraulic support device. Has the following advantages:
1) the utility model discloses simple structure wholly by inside and outside groined type frame back timber (if the tunnel broad can design into three 12 spinal branch posts of group and increase support intensity, width), hydraulic prop is supported to step-by-step pneumatic cylinder and a plurality of frame back timber.
2) The utility model discloses when work uses, saved and dismantled the manual work of monomer pillar and moved the removal process, the push-and-pull of support is step-by-step, the support pillar return and contract, support and realize by hydraulic means, and efficiency of construction, security promote greatly when workman intensity of labour significantly reduces.
3) The utility model discloses a double-groined type frame back timber can be organized by many I-steel welding, and its front end tip installs a set of direction tip of taking the triangle-shaped shape additional, has increased the I-steel solder joint and has improved stability the time, can realize the guidance quality of frame back timber antedisplacement, is convenient for remove.
4) The utility model discloses when reducing artifical removal monomer post in a large number in practical application, there is the potential safety hazard of "sky top", through the step-by-step pneumatic cylinder self-moving in-process, 8 hydraulic prop always have 4 tops, the bottom plate that are supporting the tunnel to the security of leading section advance support has been promoted.
To sum up, the utility model discloses a forepoling hydraulic support's from moving has also realized permanent support when from moving, has improved the work efficiency who removes forepoling hydraulic support, has also promoted the security. The utility model has the advantages of simple process, flexible operation, efficiency of construction are high, are particularly suitable for being applied to trade constructions such as coal, highway tunnel as one of key auxiliary technology, have fine popularization and application and worth.
Drawings
Fig. 1 is a schematic bottom view of the present invention in static support;
FIG. 2 is a schematic view of the structure of the inner groined frame of the present invention as the top beam is stepped forward;
FIG. 3 is a schematic side view of the inner cross frame of the present invention when the top beam is moving forward;
fig. 4 is a schematic side structure diagram of the outer groined frame top beam of the present invention when it is stepped forward.
Detailed Description
As shown in fig. 1-4, the utility model discloses a permanent support push-and-pull is step-by-step from moving formula advance support hydraulic support, including outer groined type frame back timber and establish the inside interior groined type frame back timber at outer groined type frame back timber, outer groined type frame back timber bottom rectangular array is equipped with a plurality of outer hydraulic prop 1, interior groined type frame back timber bottom rectangular array is equipped with hydraulic prop 2 in a plurality of, mutual support and along the setting of fore-and-aft direction relative slip between outer groined type frame back timber and the interior groined type frame back timber, be equipped with the step-by-step pneumatic cylinder 3 of central line along fore-and-aft direction between outer groined type frame back timber and the interior groined type frame back timber.
Outer groined type frame back timber includes two outer long longerons 4 that set up along the fore-and-aft direction and two outer short crossbeam 9 that set up along the left right direction, two outer short crossbeams 9 set up in two outer long longeron 4 bottoms and through first connecting piece 7 and outer long longeron 4 fixed connection, outer hydraulic prop 1 sets up four, four outer hydraulic prop 1 upper ends are all connected in two outer long longeron 4 bottoms through outer articulated seat, wherein two outer hydraulic prop 1 are located the front side of the outer long longeron 4 of front side, two outer hydraulic prop 1 are located the rear side of the outer long longeron 4 of rear side in addition.
The inner groined frame top beam comprises two inner long longitudinal beams 5 arranged along the front and back direction and two inner short cross beams 6 arranged along the left and right direction, the two inner short cross beams 6 are arranged at the bottoms of the two inner long longitudinal beams 5 and are fixedly connected with the inner long longitudinal beams 5 through second connecting pieces 8, four inner hydraulic struts 2 are arranged, and the upper ends of the four inner hydraulic struts 2 are connected to the bottoms of the two inner long longitudinal beams 5 through inner hinged seats; the two inner long longitudinal beams 5 and the two outer long longitudinal beams 4 are positioned at the same height, the two inner short cross beams 6 and the two outer short cross beams 9 are positioned at the same height, the two inner long longitudinal beams 5 are positioned between the two outer long longitudinal beams 4, and the two inner short cross beams 6 are positioned between the two outer short cross beams 9; two of the inner hydraulic props 2 are close to the front end part of the inner long longitudinal beam 5, and the other two inner hydraulic props 2 are positioned at the rear side of the rear-side inner long longitudinal beam 5.
The middle upper part of the inner short beam 6 on the front side is provided with a first hinged support 10, the middle upper part of the outer short beam 9 on the front side is provided with a second hinged support 11, and the front end and the rear end of the stepping hydraulic cylinder 3 are respectively hinged on the first hinged support 10 and the second hinged support 11.
The left end of the outer short crossbeam 9 and the left end of the inner short crossbeam 6 are flush with the left side surface of the outer long longitudinal beam 4 on the left side, and the right end of the outer short crossbeam 9 and the right end of the inner short crossbeam 6 are flush with the right side surface of the outer long longitudinal beam 4 on the right side.
The upper surface of the outer short crossbeam 9 is provided with a first smooth wear-resistant layer between the two outer long longitudinal beams 4, and the upper surfaces of the two ends of the inner short crossbeam 6 extending out of the two inner long longitudinal beams 5 are provided with second smooth wear-resistant layers. The first smooth wear-resistant layer and the second smooth wear-resistant layer play a role in reducing friction and abrasion when the inner # -shaped frame top beam and the outer # -shaped frame top beam slide forwards.
In addition, triangular guide cusps 12 are arranged at the front ends and the rear ends of the long longitudinal beams of the two groups of well-shaped frame top beams and used for guiding when the long longitudinal beams move forwards or backwards.
When the utility model is normally supported, the lower ends of all the inner hydraulic props 2 and the outer hydraulic props 1 are supported on the roadway bottom plate, and the top parts of the outer groined frame top beams and the inner groined frame top beams support the roadway top plate;
when the hydraulic support needs to move, firstly, retracting all the inner hydraulic supports 2 upwards to enable the lower ends of the inner hydraulic supports 2 to be separated from (suspended in the air) a roadway bottom plate, enabling the outer hydraulic supports 1 and the outer groined frame top beams to be in a fixed support state on the roadway top plate, enabling the inner groined frame top beams to be supported by two outer short cross beams 9, then starting the stepping hydraulic cylinder 3 to retract by 800mm, pulling the inner long longitudinal beams on the front side forwards while retracting the stepping hydraulic cylinder 3 to move forwards, driving the two inner long longitudinal beams 5 of the inner groined frame top beams to slide forwards along the upper surfaces of the two outer short cross beams 9, and enabling the inner hydraulic supports 2 to extend downwards to be supported on the roadway bottom plate after the inner groined frame top beams slide forwards to a proper position; then retracting all the outer hydraulic supports 1 upwards to separate (suspend) the lower ends of the outer hydraulic supports 1 from a roadway bottom plate, wherein the inner hydraulic supports 2 and the inner groined-shaped frame top beams are in a fixed support state on the roadway top plate, the outer groined-shaped frame top beams are supported by two inner short cross beams 6, then starting a stepping hydraulic cylinder 3 to extend for 800mm, and pulling the outer short cross beams on the front side forwards in the extension process of the stepping hydraulic cylinder 3 so as to drive two outer long longitudinal beams 4 of the outer groined-shaped frame top beams to slide forwards along the upper surfaces of the two inner short cross beams 6, and after the outer groined-shaped frame top beams slide forwards in place, the outer hydraulic supports 1 extend downwards to be supported on the roadway bottom plate; the self-moving of the hydraulic support of the advance support is realized according to the cycle and reciprocation of the operation process, and meanwhile, four hydraulic supports are always used for supporting a top plate and a bottom plate of a roadway in the self-moving process, so that constant support is realized, and the safety of the construction of a coal face is improved. The arrows in the figure point in the forward direction.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (6)
1. Constant support push-and-pull is step-by-step from moving formula advance support hydraulic support, its characterized in that: including outer groined type frame back timber and establishing the inside interior groined type frame back timber at outer groined type frame back timber, outer groined type frame back timber bottom rectangular array is equipped with a plurality of outer hydraulic prop, interior groined type frame back timber bottom rectangular array is equipped with hydraulic prop in a plurality of, mutual support and along the fore-and-aft direction relative slip setting between outer groined type frame back timber and the interior groined type frame back timber, be equipped with the step-by-step pneumatic cylinder of central line along fore-and-aft direction between outer groined type frame back timber and the interior groined type frame back timber.
2. The constant support push-pull stepping self-moving type forepoling hydraulic support frame as claimed in claim 1, wherein: outer groined type frame back timber includes two outer long longerons that set up along the fore-and-aft direction and two outer short crossbeams that set up along the left right direction, two outer short crossbeams set up in two outer long longeron bottoms and through first connecting piece and outer long longeron fixed connection, outer hydraulic prop sets up four, four outer hydraulic prop upper ends are all connected in two outer long longeron bottoms through outer articulated seat, wherein two outer hydraulic prop are located the front side of the outer long longeron of front side, two outer hydraulic prop are located the rear side of the outer long longeron of rear side in addition.
3. The constant support push-pull stepping self-moving type forepoling hydraulic support frame as claimed in claim 2, wherein: the inner groined frame top beam comprises two inner long longitudinal beams arranged along the front-back direction and two inner short cross beams arranged along the left-right direction, the two inner short cross beams are arranged at the bottoms of the two inner long longitudinal beams and are fixedly connected with the inner long longitudinal beams through second connecting pieces, four inner hydraulic struts are arranged, and the upper ends of the four inner hydraulic struts are connected to the bottoms of the two inner long longitudinal beams through inner hinged seats; the two inner long longitudinal beams and the two outer long longitudinal beams are positioned at the same height, the two inner short cross beams and the two outer short cross beams are positioned at the same height, the two inner long longitudinal beams are positioned between the two outer long longitudinal beams, and the two inner short cross beams are positioned between the two outer short cross beams; two of the inner hydraulic support columns are close to the front end part of the inner long longitudinal beam, and the other two inner hydraulic support columns are positioned on the rear side of the rear inner long longitudinal beam.
4. A constant support push-pull step self-moving type forepoling hydraulic support according to claim 3, characterized in that: the middle upper part of the inner short cross beam on the front side is provided with a first hinged support, the middle upper part of the outer short cross beam on the front side is provided with a second hinged support, and the front end and the rear end of the stepping hydraulic cylinder are respectively hinged on the first hinged support and the second hinged support.
5. A constant support push-pull step self-moving type forepoling hydraulic support according to claim 3, characterized in that: the left end part of the outer short crossbeam and the left end part of the inner short crossbeam are flush with the left side surface of the left outer long longitudinal beam, and the right end part of the outer short crossbeam and the right end part of the inner short crossbeam are flush with the right side surface of the right outer long longitudinal beam.
6. A constant support push-pull step self-moving type forepoling hydraulic support according to claim 3, characterized in that: the outer short crossbeam upper surface is equipped with first smooth resistant layer that rubs between two outer long longerons, and the upper surface that interior short crossbeam both ends stretched out two interior long longerons all is equipped with the smooth resistant layer that rubs of second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283495.XU CN217354432U (en) | 2022-05-26 | 2022-05-26 | Constant-support push-pull stepping self-moving type advance support hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283495.XU CN217354432U (en) | 2022-05-26 | 2022-05-26 | Constant-support push-pull stepping self-moving type advance support hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217354432U true CN217354432U (en) | 2022-09-02 |
Family
ID=83015876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221283495.XU Active CN217354432U (en) | 2022-05-26 | 2022-05-26 | Constant-support push-pull stepping self-moving type advance support hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217354432U (en) |
-
2022
- 2022-05-26 CN CN202221283495.XU patent/CN217354432U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102128040A (en) | Hydraulic striding-type advanced-support equipment | |
| CN104047627A (en) | Mining roadway frame style advanced support bracket | |
| CN110985084B (en) | Coal roadway full-section self-moving advanced temporary support device and support method | |
| CN103061792A (en) | Hydraulic support for coal mine vehicle | |
| CN114876546A (en) | Constant-support push-pull stepping self-moving type advance support hydraulic support and support method thereof | |
| CN212479300U (en) | Tunneling working face circulating support combined support | |
| CN217354432U (en) | Constant-support push-pull stepping self-moving type advance support hydraulic support | |
| CN210068218U (en) | Multipurpose roadway advance support hydraulic support | |
| CN110080811B (en) | Adjustable type advanced support bracket for rapid comprehensive mechanized excavation and use method | |
| CN103216252B (en) | Roadway advanced supporting supports capable of assisting machinery to move | |
| CN203097919U (en) | Vehicle-type hydraulic support for coal mines | |
| CN100439652C (en) | Fully-mechanized mining working face smooth trough advancing reinforcement support process and hydraulic support therefor | |
| CN110159327B (en) | Continuous tunneling temporary support device and method for tunnel with separated tunneling and anchoring | |
| CN105927256A (en) | Cross-head-tail support structure for hydraulic support | |
| CN210239714U (en) | Tunnel continuous excavation temporary support device with tunneling-anchoring separation function | |
| CN211314255U (en) | Advance self-moving support of heading face | |
| CN105888711A (en) | Machine head and tail straddling shoring structure | |
| CN214403640U (en) | Overhead rail type traction advance support device | |
| CN110219681B (en) | Movable temporary supporting device and construction method thereof | |
| CN210564602U (en) | Split type hydraulic support for ultra-thin coal seam | |
| CN203962017U (en) | Stope drift active workings frame type advance support rack | |
| CN207847670U (en) | Arched tunnel driving moves into covering device certainly without support repeatedly | |
| CN108119173B (en) | Self-moving type telescopic front canopy and supporting method thereof | |
| CN202125305U (en) | Hydraulic bracket for roadway support | |
| CN107642372B (en) | Tunneling support with forepoling bar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |