CN2623876Y - Forward stretching support beam for excavation support to prevent collapse by interlock - Google Patents
Forward stretching support beam for excavation support to prevent collapse by interlock Download PDFInfo
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- CN2623876Y CN2623876Y CN 03216614 CN03216614U CN2623876Y CN 2623876 Y CN2623876 Y CN 2623876Y CN 03216614 CN03216614 CN 03216614 CN 03216614 U CN03216614 U CN 03216614U CN 2623876 Y CN2623876 Y CN 2623876Y
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- hinged
- stationary jaw
- forestope
- pin
- jaw
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Abstract
The utility model relates to a tunneling rack interlocking anti falling front canopy used in flange beam trapeziform rack tunneling working face consists of an articulated front canopy, an angle modulation wedge, a round pin and a load binder. The load binder consists of a movable claw, a fixed claw, a pin shaft and a clamping pin. The movable claw and the fixed claw are articulating with each other in a forcipate shape, which is clamped on the lower plate edge of the flange beam, the baffle on the lower part of the movable claw is tightly depended on the supporting component fixed between the lower parts of the claw. The fixed claw is fixedly connected with the articulated front canopy by the clamping pin. The load binder of articulated front canopy is sleeved on the articulated front canopy, which can freely slide and has strong adaptability to the shed distances, the operating is more convenient and flexible; the rack collapsing by shotfiring can be avoid, after shotfiring the flange beam needed to be spanned is fixed in the position before which realizes the advanced timbering, avoids the accident of roof falling and avoids the people working under nihil top.
Description
Affiliated technical field
The utility model relates to the driving face support field, I-shaped steel ladder shape support tunnel, particularly a kind of colliery gun diging face support driving support that anti-down advance support the uses anti-down front-probe support beam of interlocking of interlocking of meeting head on.
Background technology
The driving face advance support, existing multinomial patent application.Be used for the advance support that the gun diging face of i iron trapezoid support supporting is met head on, the support that crumbles easily, collapses because of blowing out, hydraulic prop are difficult for adopting, and realize that difficulty is bigger.
The patent application that title is " the hinged forestope of driving face ", number of patent application: 88204104.5, notification number: CN 2040539U are rolled up, disclosed for No. 27 to China's Patent Gazette for Utility Models the 05th.Its purpose is the chain and advance support of support of realizing that i iron trapezoid support gun diging face is met head on, prevent to blow out the support that collapses, after blowing out, will need the leading fix in position of i iron capplce of support immediately, and prevent the generation of roof fall accident and avoid the empty top operation of workman; Its formation is that forestope forms with the articulated roof beam transformation of the way, adds the fixedly card and card and the annex that have curved groove, makes the good i iron capplce of its chain support of energy; Weak point is that it requires relative fixed to the canopy distance of i iron trapezoid support.
Summary of the invention
For overcome existing i iron trapezoid support gun diging face meet head on forestope to canopy apart from requiring relatively-stationary deficiency, the utility model provides a kind of driving support anti-down front-probe support beam of interlocking, this front-probe support beam can not only advance support, and strong to canopy apart from compliance, can satisfy the requirement of different canopy distances.
The technical scheme that its technical problem that solves the utility model adopts is:
The driving support is interlocked anti-down front-probe support beam by hinged forestope, angle modulation wedge, round pin, and the clamping device composition that is located on the hinged forestope, connects firmly mutually with the i iron capplce.Its clamping device is the locker on the hinged forestope.This locker is made of movable jaw, stationary jaw, bearing pin, holding pin etc.The stationary jaw of locker is shaped as frame, is sleeved on the hinged forestope, can slides along beam.Movable jaw and stationary jaw are hinged by bearing pin, and it is pincerlike that top is, and can be clamped on the capplce i iron lower plate edge.Holding pin is inserted between the bottom surface of stationary jaw and hinged forestope.The bottom of movable jaw is connected with baffle plate, and the stretching parts are arranged between the bottom of baffle plate and stationary jaw.
The technical scheme that its technical problem that solves the utility model adopts can also be:
Stretching parts between the baffle plate of this front-probe support beam and the stationary jaw bottom adopt holding pin and are installed in holding pin front portion, vertical with it push rod also, and this push rod holds out against on baffle plate after holding pin is seated.Movable jaw adopts only single, is hinged on by bearing pin on the side plate of inboard of stationary jaw.
Stretching parts between the baffle plate of this front-probe support beam and the stationary jaw bottom adopt vertically to be inserted in the elbow voussoir in the anterior wedge of the holding pin hole and together to insert the horizontal wedge in wedge hole, the gradient unanimity of the two contact surface.Its movable jaw adopts two, is hinged on two side plates of stationary jaw by two bearing pins respectively.
The lateral surface of the stationary jaw of this front-probe support beam is provided with retaining leg arm, and the end of retaining leg arm extends and keeps off at the canopy leg away from a side of meeting head on, to prevent to blow out the support canopy leg that collapses.
The beam body of the hinged forestope of this front-probe support beam adopts the light-weight girder body, and beam length is the twice of canopy distance, sets up two hinged forestopes on the capplce of each i iron trapezoid support.
The beneficial effects of the utility model are:
1. the locker of this front-probe support beam can slide at hinged forestope, fixing, therefore strong apart from compliance on the optional position at this beam to canopy, can satisfy the requirement of different canopy distances, use more flexible.
2. can realize the gun diging face chain and advance support of support of meeting head on, prevent to blow out the support that collapses, after blowing out, will need the leading fix in position of i iron capplce of support immediately, prevent the generation of roof fall accident and avoid the empty top operation of workman.
Description of drawings
Fig. 1 is that the scheme of installation that the formation of the utility model embodiment 1 reaches at trapezoid support is the A-A sectional view
Fig. 2 is the B-B sectional view among Fig. 1
Fig. 3 is the front view of the locker of embodiment 1
Fig. 4 is the lateral view of the locker of embodiment 1
Fig. 5 is the vertical view of the locker of embodiment 1
Fig. 6 is the front view of the locker of embodiment 2
Fig. 7 is the vertical view of the locker of embodiment 2
Among the figure: holding pin, 15-horizontal wedge, the 16-elbow voussoir in the hinged forestope of 1-, 2-locker, 3-i iron capplce, 4-holding pin, 5-angle modulation wedge, 6-round pin, 7-retaining leg arm, 8-H shaped steel shack leg, 9-movable jaw, 10-stationary jaw, 11-bearing pin, 12-push rod, 13-baffle plate, 14-band wedge hole
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment 1:
Fig. 1～2 illustrate the structure of the utility model embodiment 1.This driving support anti-down front-probe support beam of interlocking is made up of hinged forestope (1), locker (2), angle modulation wedge (5), round pin (6) etc.Set up two hinged forestopes (1) on the i iron capplce (3) of each trapezoid support.Hinged forestope (1) beam body adopts the light-weight girder body, and promptly beam body size reduces, and steel plate thickness reduces, and articulated joint also reduces.Beam length can adopt the twice of canopy distance, and is consistent with the drilling depth of the every big gun of driving.Hinged forestope (1), angle modulation wedge (5), round pin (6) are consistent with the planform of existing articulated roof beam.I iron capplce (3) on hinged forestope (1) and its end face clamps and connects firmly, and is to go up by being sleeved on hinged forestope (1), can realize along the locker (2) that beam slides.
Fig. 3～5 illustrate the structure of locker (2).It is by movable jaw (9), stationary jaw (10), bearing pin (11), holding pin (4), retaining leg arm formations such as (7).The stationary jaw (10) of locker (2) is square frame shape in the vertical, is sleeved on hinged forestope (1) and goes up, can slide along beam.Movable jaw (9) is hinged by bearing pin (11) with stationary jaw (10), and it is pincerlike that top is, for the usefulness of clamping capplce (3) i iron lower plate edge.Holding pin (4) is inserted between the bottom surface of stationary jaw (10) and hinged forestope (1), for the usefulness that tightens up the two.Movable jaw (9) adopts single, is hinged on the interior plate of stationary jaw (10) by bearing pin (11).The bottom of movable jaw (9) welding baffle plate (13), between this baffle plate (13) and stationary jaw (10) bottom, by holding pin (4) be installed in holding pin (4) front portion, vertical push rod (12) stretching with it.When holding pin (4) between stationary jaw (10) and forestope (1) during wedging, holding pin (4) will drive push rod (12) and hold out against baffle plate (13), and then make the top chucking capplce (3) of movable jaw (9) and stationary jaw (10).Be welded with retaining leg arm (7) on the lateral surface of stationary jaw (10).The end of retaining leg arm (7) extends and keeps off at canopy leg (8) away from a side of meeting head on, and works to prevent to blow out the canopy leg that collapses.Retaining leg arm (7) by a riser and two blocks of level boards, totally three wedge-shaped steel plates are welded into, and vertically are cross, a clapboard of front will be lacked, so that its riser is adjacent to canopy leg (8).
Embodiment 2:
Front-probe support beam that this is routine and embodiment's 1 is basic identical, and only the structure of locker is different.
Fig. 6,7 illustrates the structure of the locker of embodiment 2.The difference of it and embodiment 1 is that holding pin adopts the holding pin (14) in band wedge hole, together inserts elbow voussoir (16) and horizontal wedge (15) in the wedge hole of holding pin (14).The movable jaw (9) of this moment adopts two, is hinged on two side plates of stationary jaw (10) by two bearing pins (11) respectively.The two ends of elbow voussoir (16) have elbow, and two elbows hook the outside of two movable jaws (9); The one side of its band elbow contacts simultaneously with the baffle plate (13) of two movable jaws (9) and compresses; The inclined-plane applying jam-packed of its another side and horizontal wedge (15), the gradient on the two mating face should cooperate unanimity, makes two movable jaws (9) stressed evenly.When urgent horizontal wedge (15), horizontal wedge (15) and elbow voussoir (16) be stretching between the bottom of the baffle plate (13) of movable jaw (9) and stationary jaw (10), makes top chucking capplce (3) the i iron base plate lower edge of two movable jaws (9) and stationary jaw (10); Simultaneously, make holding pin (14) more firmly fastening between stationary jaw (10) and forestope (1).
The course of work: after boring head is blown out, hinged forestope (1) is scurried to meeting head on, hinged, picking-up, urgent angle modulation wedge (5) are promptly erected forestope (1).Then, i iron capplce (3) is placed on the forestope (1), locker (2) is put into the position, urgent holding pin (4) or holding pin (14) and horizontal wedge (15), with locker (2) capplce (3) is locked on the forestope (1), the effect of temporary lining is visited on the good top of the back of the body before just playing.At this moment just can carry out further work, go out needling clearly, canopy leg (8) is installed, further the good top of the back of the body, group promptly finish a circulation.Because capplce (3) is fixed on the forestope (1), forestope (1) is ten hinged interlockings of canopy, so be more firm.Be provided with the retaining leg arm (7) of canopy leg (8) on locker (2), as long as forestope (1) is motionless, canopy leg (8) can not move yet, so just prevent the support that collapses when blowing out, plays the safety guarantee effect.
Claims (5)
1. a driving support anti-down front-probe support beam of interlocking, comprise hinged forestope, angle modulation wedge, round pin, and be located on the hinged forestope, with the clamping device that the i iron capplce connects firmly mutually, it is characterized in that: said clamping device is the locker (2) on the hinged forestope (1); This locker (2) comprises movable jaw (9), stationary jaw (10), bearing pin (11), holding pin (4); The stationary jaw (10) of locker (2) is shaped as frame, is sleeved on hinged forestope (1) and goes up, can slide along beam; Movable jaw (9) is hinged by bearing pin (11) with stationary jaw (10), and it is pincerlike that top is, and can be clamped on capplce (3) the i iron lower plate edge; Holding pin (4) is inserted between the bottom surface of stationary jaw (10) and hinged forestope (1); The bottom of movable jaw (9) is connected with baffle plate (13), between the bottom of baffle plate (13) and stationary jaw (10) the stretching parts is arranged.
2. the driving support according to claim 1 anti-down front-probe support beam of interlocking, it is characterized in that: the stretching parts between said baffle plate (13) and stationary jaw (10) bottom, be holding pin (4) and be loaded on anterior, and the vertical with it push rod (12) of holding pin (4), push rod (12) holds out against after holding pin (4) is seated on baffle plate (13); Said movable jaw (9) is single, is hinged on the interior plate of stationary jaw (10) by bearing pin (11).
3. the driving support according to claim 1 anti-down front-probe support beam of interlocking, it is characterized in that: the stretching parts between said baffle plate (13) and stationary jaw (10) bottom, be vertically to be inserted in the elbow voussoir (16) in the anterior wedge of holding pin (14) hole and together to insert the horizontal wedge (15) in wedge hole, the gradient of the two contact surface is consistent; Said movable jaw (9) is two, is hinged on two side plates of stationary jaw (10) by two bearing pins (11) respectively.
4. the driving support according to claim 1 anti-down front-probe support beam of interlocking is characterized in that: retaining leg arm (7) is arranged on the lateral surface of said stationary jaw (10), and the end of retaining leg arm (7) extends and keeps off at canopy leg (8) away from a side of meeting head on.
5. the driving support according to claim 1 anti-down front-probe support beam of interlocking, it is characterized in that: said hinged forestope, its beam body is the light-weight girder body, and beam length is the twice of canopy distance, and the capplce of each i iron trapezoid support is put on the shelf and is provided with two hinged forestopes (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03216614 CN2623876Y (en) | 2003-04-28 | 2003-04-28 | Forward stretching support beam for excavation support to prevent collapse by interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03216614 CN2623876Y (en) | 2003-04-28 | 2003-04-28 | Forward stretching support beam for excavation support to prevent collapse by interlock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2623876Y true CN2623876Y (en) | 2004-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03216614 Expired - Fee Related CN2623876Y (en) | 2003-04-28 | 2003-04-28 | Forward stretching support beam for excavation support to prevent collapse by interlock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2623876Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220870A (en) * | 2011-04-29 | 2011-10-19 | 安徽省皖北煤电集团有限责任公司百善煤矿 | Tunneling head-on temporary support front canopy clip |
| CN105525934A (en) * | 2014-09-29 | 2016-04-27 | 四川省华蓥山煤业股份有限公司绿水洞煤矿 | Hanging self-moving type telescopic forepoling beam and support method of hanging self-moving type telescopic forepoling beam |
| CN105799226A (en) * | 2014-12-31 | 2016-07-27 | 博斯特（上海）有限公司 | Corrugated roller unit mounting and clamping mechanism |
-
2003
- 2003-04-28 CN CN 03216614 patent/CN2623876Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220870A (en) * | 2011-04-29 | 2011-10-19 | 安徽省皖北煤电集团有限责任公司百善煤矿 | Tunneling head-on temporary support front canopy clip |
| CN105525934A (en) * | 2014-09-29 | 2016-04-27 | 四川省华蓥山煤业股份有限公司绿水洞煤矿 | Hanging self-moving type telescopic forepoling beam and support method of hanging self-moving type telescopic forepoling beam |
| CN105799226A (en) * | 2014-12-31 | 2016-07-27 | 博斯特（上海）有限公司 | Corrugated roller unit mounting and clamping mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |