CN203145979U - Tunnel forepoling hydraulic bracket - Google Patents
Tunnel forepoling hydraulic bracket Download PDFInfo
- Publication number
- CN203145979U CN203145979U CN 201220658173 CN201220658173U CN203145979U CN 203145979 U CN203145979 U CN 203145979U CN 201220658173 CN201220658173 CN 201220658173 CN 201220658173 U CN201220658173 U CN 201220658173U CN 203145979 U CN203145979 U CN 203145979U
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- bracket
- support
- segment
- joint
- base
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- Expired - Fee Related
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to the technical field of mining tunnel brackets, and discloses a tunnel forepoling hydraulic bracket. The bracket comprises a front segment bracket, a middle segment bracket and a back segment bracket, wherein the back part of a top beam of a front segment bracket is connected with a stretching beam (2) of the back segment bracket; the back part of a base of the front segment bracket is connected with the front part of a base of the back segment bracket through a connector and a moving bracket lifting jack; the front segment bracket and the back segment are connected in a mutual relying manner to form a moving bracket; each segment bracket is a group comprising a left bracket and a right bracket; the top beams of the left bracket and the right bracket are connected with one another through a connecting bracket lifting jack (19); the segment brackets are hinged to the other; both the top beam and the base of each segment bracket are segment hinged type; and a straight four bar mechanism is arranged in the middle of the bracket. The bracket has the advantages that the bracket is suitable for rectangular tunnels or tunnels that need to replace sheds, is positioned at the forepoling section, and is changed from an arch to a rectangle after being pressed; the bracket can be used in matched with tunnel pi-shaped steel beams or wooden sheds; the supporting strength is high; the bracket is safe and reliable; the labor intensity of the workers is greatly reduced; and the stoping efficiency is improved.
Description
Technical field
The utility model relates to mining tunnel support technology field, relates in particular to a kind of lame advanced supporting hydraulic support.
Background technology
At present, existing mining tunnel adopts the permanent openings, is generally the tunnel of rectangle or arched roof.Replace for adapting to supporting, be badly in need of a kind of foreset that reduces working strength of workers, improves back production efficient, adapt to tunnel π section steel beam or log hut and be used safe and reliable.
The utility model content
In order to overcome the deficiency in the background technology, the utility model provides a kind of lame advanced supporting hydraulic support.
In order to realize above-mentioned utility model purpose, the utility model adopts technical scheme as follows:
A kind of lame advanced supporting hydraulic support, comprise: preposition support, mid-support and rearmounted support, the back timber rear portion that is connected to last joint support of preposition support, mid-support and rearmounted support links to each other with the extensible canopy of back one joint support, the base front portion of the base rear portion of last joint support and back one joint support by connector, move the frame jack and link to each other, last joint and back one joint rely on each other link to each other formation with the advance of the face each other fulcrum move frame; Described every joint support is positive quadric chain standing support, divide left and right two row formulas to arrange that two are configured to one group, are connected by the frame linking jack between the back timber between left and right two, described every joint support type of attachment is radial type, and back timber and the base of every joint support are section articulated.
What a kind of lame advanced supporting hydraulic support, the length of described forepoling hydraulic support were set to crossheading in the tunnel adds the strong supporting segment length, its connect the length of laying for increase some joints end to end in the joint supports.
A kind of lame advanced supporting hydraulic support, two root posts of described every joint support are two telescopic hydraulic cylinders of Φ 250 cylinder diameters; Passing stroke is 1.4 meters, namely passes stroke for whenever cutting the work plane that two cuttves move an advance timbering.
A kind of lame advanced supporting hydraulic support, bracket upright post bearing height are 2.3-5.0m, and single frame working resistance is 4000KN.
A kind of lame advanced supporting hydraulic support, described preposition support front end extensible canopy become the U-shaped steel beam structure of auxiliary dismounting.
Owing to adopt aforesaid technical scheme, the utlity model has following superiority:
The utility model is by joining end to end rack arrangement in heading head supporting zone up and down, along with the advance of the face, falls side arm-push away side arm-fall after-frame-La after-frame, circulation repeatedly, and fulcrum is realized from moving each other.Be to advance according to the fully-mechanized mining working stage loader, the tunnel permanent support replaced with the actual conditions of foreset and a kind of support of designing.Adapt to rectangle or be positioned at advance support section pressurized and become the tunnel that rectangle need replace canopy by arch.The supporting tunnel is subjected to the top board of the advance support section of mining influence, because supporting intensity is big, can move certainly, so ZQL type lame advanced supporting rack and tunnel π section steel beam, U-shaped girder steel or log hut are used, safe and reliable, significantly reduce working strength of workers, improve back production efficient.
Description of drawings
Fig. 1 is the structural representation of lame advanced supporting hydraulic support;
Fig. 2 is that the A-A of Fig. 1 is to view;
Fig. 3 is the vertical view of Fig. 1;
Among the figure: 1 tie-beam, 2 middle extensible canopies, 3 front-axle beams, 4 little extensible canopies, 5 back timbers, 6 preceding back timbers, 7 face guards, 8 cant beams, 9 front rods, 10 back links, 11 bases, 12 rear bases, 13 tail booms, 14 big face guards, 15 hydraulic systems, 16 columns, 17 columns, 18 pass jack, 19 frame linking jack, 20 retaining wall jack.
The specific embodiment
As shown in Figure 1, 2, 3, a kind of lame advanced supporting hydraulic support, comprise: prosthomere support, middle joint support, deutomerite support are formed, the prosthomere support links to each other with the extensible canopy (2) of back one joint support with the back timber rear portion that is connected to last joint support of middle joint support, deutomerite support, the base front portion of the base rear portion of last joint support and back one joint support by connector, move the frame jack and link to each other, last joint relies on the formation that links to each other to move frame with back one joint each other; Described every joint support is left and right two to be configured to one group, connected by frame linking jack (19) between the back timber between left and right two, described every joint support type of attachment is radial type, and back timber and the base of every joint support are section articulated, establishes positive quadric chain in the middle of the support.
What the length of described forepoling hydraulic support was set to crossheading in the tunnel adds the strong supporting segment length, its connect the length of laying for increase some joints end to end in the joint supports.
Two root posts (16) of described every joint support are two telescopic hydraulic cylinders of Φ 250 cylinder diameters; Passing stroke is 1.4 meters, namely passes stroke for whenever cutting the work plane that two cuttves move an advance timbering.Described bracket upright post bearing height is 2.3-5.0m, and single frame working resistance is 4000KN.Described preposition support front end extensible canopy becomes the U-shaped steel beam structure of auxiliary dismounting.
ZQL2 of the present utility model * 4000/23/50 forepoling hydraulic support comprises: tie-beam 1, middle extensible canopy 2, front-axle beam 3, little extensible canopy 4, back timber 5, preceding back timber 6, face guard 7, cant beam 8, front rod 9, back link 10, base 11, rear base 12, tail boom 13, big face guard 14, hydraulic system 15, column 16, column 17, pass jack 18, frame linking jack 19, retaining wall jack 20.
Wherein left and right two put up one group of joint support and use, connected by the frame linking jack between back timber between two on the support.It is radial type that support connects pattern, and back timber and base all adopt section articulated, make it adapt to tunnel roof and floor fluctuations and transportation and installation better.Establish positive quadric chain in the middle of the support, support adopts the two flexible of two Φ 250 cylinder diameters, not only has enough supporting intensities and stress point preferably, and can guarantee apparatus arrangement and the required space of pedestrian.The passing stroke of design support is 1.4 meters, and namely work plane whenever cuts two cuttves and moves advance timbering one time.Mode of operation is this operation.
Described support by before, during and after three joints forms, the back timber rear portion of prosthomere links to each other with the extensible canopy of deutomerite, the base rear portion of prosthomere and the base front portion of deutomerite by connector, move the frame jack and link to each other, support is each other saved in front and back, reaches the purpose of moving frame.The user can connect the end to end support of the some joints of laying on demand according to the strong supporting segment length that adds of crossheading.
By joining end to end rack arrangement in heading head supporting zone up and down, along with the advance of the face, side arm-push away side arm-fall after-frame-La after-frame falls, circulation repeatedly, fulcrum is realized from moving each other.
The beneficial effects of the utility model are, bracket support intensity is big, can move certainly, are used safe and reliablely with the U-shaped girder steel in tunnel or log hut, significantly reduce working strength of workers, improve back production efficient.
Claims (5)
1. lame advanced supporting hydraulic support, it is characterized in that: comprising: preposition support, mid-support and rearmounted support, the back timber rear portion that is connected to last joint support of preposition support, mid-support and rearmounted support links to each other with the extensible canopy (2) of back one joint support, the base front portion of the base rear portion of last joint support and back one joint support by connector, move the frame jack and link to each other, last joint and back one joint rely on each other link to each other formation with the advance of the face each other fulcrum move frame; Described every joint support is positive quadric chain standing support, divide left and right two row formulas to arrange, two are configured to one group, connected by frame linking jack (19) between the back timber between left and right two, described every joint support type of attachment is radial type, and back timber and the base of every joint support are section articulated.
2. a kind of lame advanced supporting hydraulic support according to claim 1, it is characterized in that: what the length of described forepoling hydraulic support was set to crossheading in the tunnel adds the strong supporting segment length, its connect the length of laying for increase some joints end to end in the joint supports.
3. a kind of lame advanced supporting hydraulic support according to claim 1, it is characterized in that: two root posts (16) of described every joint support are two telescopic hydraulic cylinders of Φ 250 cylinder diameters; Passing stroke is 1.4 meters, namely passes stroke for whenever cutting the work plane that two cuttves move an advance timbering.
4. a kind of lame advanced supporting hydraulic support according to claim 1, it is characterized in that: the bracket upright post bearing height is 2.3-5.0m, single frame working resistance is 4000KN.
5. a kind of lame advanced supporting hydraulic support according to claim 1 is characterized in that: the U-shaped steel beam structure of the described auxiliary dismounting of preposition support front end extensible canopy one-tenth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220658173 CN203145979U (en) | 2012-12-04 | 2012-12-04 | Tunnel forepoling hydraulic bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220658173 CN203145979U (en) | 2012-12-04 | 2012-12-04 | Tunnel forepoling hydraulic bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203145979U true CN203145979U (en) | 2013-08-21 |
Family
ID=48973515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220658173 Expired - Fee Related CN203145979U (en) | 2012-12-04 | 2012-12-04 | Tunnel forepoling hydraulic bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203145979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677813A (en) * | 2016-12-30 | 2017-05-17 | 中国煤炭科工集团太原研究院有限公司 | Novel temporary supporting device for coal mine roadway comprehensive digging face |
| CN113339026A (en) * | 2021-06-25 | 2021-09-03 | 中国矿业大学 | Special-shaped roadway advance support method and advance hydraulic support |
-
2012
- 2012-12-04 CN CN 201220658173 patent/CN203145979U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677813A (en) * | 2016-12-30 | 2017-05-17 | 中国煤炭科工集团太原研究院有限公司 | Novel temporary supporting device for coal mine roadway comprehensive digging face |
| CN113339026A (en) * | 2021-06-25 | 2021-09-03 | 中国矿业大学 | Special-shaped roadway advance support method and advance hydraulic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 472300 Yima City, Henan province people's road, No. 18 Patentee after: Henan Zhongche heavy equipment Co. Ltd. Address before: 472300 Yima City, Henan province people's road, No. 18 Patentee before: Henan CSR Heavy Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20181204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |