CN106593453A - Anti-jamming mechanism for shield of heading machine - Google Patents

Anti-jamming mechanism for shield of heading machine Download PDF

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Publication number
CN106593453A
CN106593453A CN201710041230.6A CN201710041230A CN106593453A CN 106593453 A CN106593453 A CN 106593453A CN 201710041230 A CN201710041230 A CN 201710041230A CN 106593453 A CN106593453 A CN 106593453A
Authority
CN
China
Prior art keywords
base
shield
jamming
plane
slide block
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.)
Pending
Application number
CN201710041230.6A
Other languages
Chinese (zh)
Inventor
陈威明
张啸
田彦朝
张文艳
栾保成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Engineering Equipment Group Co Ltd CREG
Original Assignee
China Railway Engineering Equipment Group Co Ltd CREG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway Engineering Equipment Group Co Ltd CREG filed Critical China Railway Engineering Equipment Group Co Ltd CREG
Priority to CN201710041230.6A priority Critical patent/CN106593453A/en
Publication of CN106593453A publication Critical patent/CN106593453A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining

Abstract

The invention discloses an anti-jamming mechanism for a shield of a heading machine. The anti-jamming mechanism for the shield of the heading machine has the following structures: the anti-jamming mechanism is placed between the shield and a main drive and comprises studs, nuts, sliding blocks and a base, wherein inclined planes which are inclined to bottoms of ends are symmetrically arranged at two ends of the upper part of the base; an included angle between the bottom surface of the base and each inclined plane is alpha; the two sliding blocks are respectively arranged on the inclined planes of the two ends of the base; the bottom of each sliding block is an inclined plane; an included angle between each inclined plane and the surface of the top of the corresponding sliding block is alpha; the inclined planes at the bottoms of the sliding blocks are in contact with the inclined planes at two ends of the base and can slide on the inclined planes of the base; a guide mechanism for the corresponding sliding block to slide is further arranged on each of the inclined planes at two ends of the base; a hole is formed in each sliding block; the studs penetrate through the two sliding blocks placed at two ends of the base; and two ends of each stud are respectively connected with the corresponding nuts on the outer side of the corresponding sliding block. By the anti-jamming mechanism for the shield of the heading machine, the problem that the shield cannot retract after being jammed can be solved, the shield can be effectively stopped from withdrawing, and the two sliding blocks can provide two supporting points which ascend and descend synchronously; and the anti-jamming mechanism is stable in support, safe and reliable, convenient to disassemble and remove and labor-saving.

Description

A kind of anti-jamming mechanism of development machine shield
Technical field
The invention is related to Tunnel Engineering field of mechanical technique, the anti-jamming mechanism of more particularly to a kind of development machine shield.
Background technology
At present, domestic and international constructing tunnel progressively begins to use development machine as first-selection, in spies such as country rock convergence, rock crushers Under different operating mode, development machine shield is usually stuck, and cannot normally tunnel, and now needs a kind of anti-jamming mechanism of shield to prevent Only shield is by thoroughly stuck, it is impossible to withdraw.
The content of the invention
It is an object of the invention to provide a kind of anti-jamming mechanism of development machine shield to overcome background technology in problem.
The technical solution of the present invention is to provide a kind of anti-jamming mechanism of development machine shield with following structure,
The anti-jamming mechanism of the development machine shield is placed between shield and main driving, the anti-jamming mechanism's bag of the development machine shield Include studs, nut, slide block and base, it is α to each end that the base both upper ends thereof is symmetrically arranged with base end face angle The inclined-plane of bottom angled, respectively places a slide block on the inclined-plane at base two ends, the bottom of the slide block is one and slider top Surface angle is the inclined-plane of α, and the bottom bevel of slide block is with the contact of incline plane at base two ends and can slide on the inclined-plane of base, institute State slide block and be provided with perforate, the studs is through two slide blocks for being placed on base two ends, the two ends of the studs Distinguish attaching nut in the outside of slide block.
The anti-jamming mechanism of the development machine shield is placed between top shield and main driving.
The guiding mechanism of slide block slip is additionally provided with the inclined-plane at the base two ends.
The guiding mechanism is the boss guide rail being respectively provided on the inclined-plane of base two ends, the gradient of boss guide rail upper surface with The gradient on its place base inclined-plane is consistent, and the slide block bottom surface is provided with the groove being engaged with the boss guide rail, and slide block is the bottom of at Move obliquely or obliquely along boss guide rail on the inclined-plane of seat.
The guiding mechanism is the groove slideway being respectively provided on the inclined-plane of base two ends, the slope of the bottom surface of the groove slideway Degree is consistent with the gradient on base inclined-plane that it is located, and the slide block bottom surface is provided with the boss being engaged with the groove slideway, slide block Move obliquely or obliquely along groove slideway on the inclined-plane of base.
Compared with prior art, a kind of anti-jamming mechanism of development machine shield of the invention has advantages below:1st, this shield is prevented Stuck mechanism can tackle the oil cylinder of support shield under the special operation conditions such as country rock convergence, rock crusher and withdraw gradually causes shield quilt Situation about cannot shrink after stuck, the anti-jamming mechanism of this development machine shield is placed between development machine shield and main driving, when When shield is by card, certain support force can be provided to shield, in certain field of load, the anti-jamming mechanism of this shield can have Effect prevents shield toward reclaiming, and after processing country rock, removes the anti-jamming mechanism of this shield, and shield can normally withdraw, and push away In the presence of entering power, development machine can continue to tunnel forward, and in addition two slide blocks of the anti-jamming mechanism of this shield can provide two The strong point of synchronization lifting, two strong point spans are larger, and the anti-jamming mechanism height of whole shield is relatively low, are especially suitable for supporting It is supporting & stablizing, safe and reliable between shield and main driving, it is also convenient for during dismounting, laborsaving;2nd, the anti-jamming mechanism of development machine shield Be placed between top shield and main driving, under the special operation conditions such as country rock convergence, rock crusher, typically push up power that shield bears compared with Greatly, the anti-jamming mechanism of development machine shield only can be placed between top shield and main driving;3rd, also set on the inclined-plane at base two ends There is the guiding mechanism that slide block slides, the guiding mechanism is the boss guide rail or groove cunning being respectively provided on the inclined-plane of base two ends Road, makes slide block move obliquely or obliquely along boss guide rail or groove slideway on the inclined-plane of base, makes slide block movement track More stable, anti-limited slip block is crooked to side.
Description of the drawings
Fig. 1 is a kind of one of main structure diagram of the anti-jamming mechanism of development machine shield of the invention;
Fig. 2 is the two of the main structure diagram of the anti-jamming mechanism of a kind of development machine shield of the invention;
Fig. 3 is a kind of dimensional structure diagram of the anti-jamming mechanism of development machine shield of the invention;
Fig. 4 is the structural representation that the anti-jamming mechanism of development machine shield is installed between development machine and shield;
Fig. 5 is the stress structural representation of the anti-jamming mechanism of development machine shield between development machine and shield;
Fig. 6 is the structural representation that the anti-jamming mechanism of development machine shield is removed between development machine and shield.
Sequence number in figure:1 is studs, and 2 is nut, and 3 is slide block, and 4 is base, and 5 is oil cylinder, and 6 is shield, and 7 is main drive Dynamic, 8 is boss guide rail.
Specific embodiment
A kind of anti-jamming mechanism of development machine shield of the invention is made furtherly with reference to the accompanying drawings and detailed description It is bright:
Embodiment one:As shown in figure 1, in the present embodiment, a kind of anti-jamming mechanism of development machine shield, the development machine shield anti-sticking Deadlock structure be placed on shield 6 and it is main drive between 7, the anti-jamming mechanism of the development machine shield includes studs 1, nut 2, sliding Block 3 and base 4, it is α to the oblique of each end bottom angled that the both upper ends thereof of the base 4 is symmetrically arranged with the bottom surface angle of base 4 Face, respectively places a slide block 3 on the inclined-plane at the two ends of base 4, the bottom of the slide block 3 is one and is with slider top surface angle The inclined-plane of α, the bottom bevel of slide block 3 is with the contact of incline plane at the two ends of base 4 and can slide on the inclined-plane of base 4, the slide block 3 Perforate is provided with, through two slide blocks 3 for being placed on the two ends of base 4, the two ends of the studs 1 exist the studs 1 The outside difference attaching nut 2 of slide block 3.
As shown in figure 4, the anti-jamming mechanism of the development machine shield is placed between top shield and main driving 7.
As shown in figure 5, when the special operation conditions such as country rock convergence, rock crusher are run into, shield 6 can be by country rock power F tightly Push down, now supporting the oil cylinder 5 of shield 6 can be revealed due to the not enough or oil cylinder of support force, cause oil cylinder to withdraw gradually, shield 6 Can be forced, toward recovery, now place between 7 the anti-jamming mechanism of shield in shield 6 and main driving, can by tightening the nut 2 at two ends So that inclined-plane upward sliding of the slide block 3 along base 4, gradually slide block 3 can be contacted and held out against with shield 6, and this shield anti-sticking crashes Structure can provide certain support force, and in certain field of load, the anti-jamming mechanism of this shield can effectively prevent shield 6 past Reclaim, the relation between support force Fn that it can be provided and pretightning force Fv of nut 2 is Fn=Fv/tan α.
As shown in fig. 6, when needing by this special formation, come loose nut 2, due to the pressure of shield 6, slide block 3 can edge The inclined-plane of base 4 now withdraws oil cylinder 5 to downslide, and shield 6 is and then toward recovery.Because rock itself has certain self-stability, now The shield 6 being stuck can free, and in the presence of propulsive force, development machine can continue to tunnel forward.
Embodiment two:As Figure 2-3, the present embodiment is essentially identical with embodiment one, and difference is, 4 liang of base Be additionally provided with the inclined-plane at end slide block slip guiding mechanism, the guiding mechanism be respectively provided at it is convex on the two ends inclined-plane of base 4 Platform guide rail 8, the gradient of the upper surface of boss guide rail 8 is consistent with the gradient on the inclined-plane of base 4 that it is located, and the slide block bottom surface is provided with and institute The groove that boss guide rail is engaged is stated, slide block 3 is moved obliquely or obliquely on the inclined-plane of base 4 along boss guide rail.
Embodiment three:Not shown in figure, the present embodiment is essentially identical with embodiment one, and difference is, the guiding Mechanism is the groove slideway being respectively provided on the two ends inclined-plane of base 4, the gradient of groove slideway bottom surface and base inclined-plane that it is located The gradient is consistent, and the slide block bottom surface is provided with the boss being engaged with the groove slideway, and slide block is on the inclined-plane of base along groove Slideway is moved obliquely or obliquely.
The preferred embodiments of the disclosure is described in detail above in conjunction with accompanying drawing, but the present invention is not limited to Described embodiment.To those skilled in the art, it is right without departing from the principles and spirit of the present invention This embodiment carries out various changes, modification, replacement and deformation and still falls within protection scope of the present invention.

Claims (5)

1. the anti-jamming mechanism of a kind of development machine shield, it is characterised in that the anti-jamming mechanism of the development machine shield is placed on shield And main driving between, the anti-jamming mechanism of the development machine shield includes studs, nut, slide block and base, on the base It is inclined-planes of the α to each end bottom angled that portion two ends are symmetrically arranged with base end face angle, is respectively placed on the inclined-plane at base two ends One slide block, the bottom of the slide block be one with the inclined-plane that slider top surface angle is α, the bottom bevel and base of slide block The contact of incline plane at two ends and can slide on the inclined-plane of base, the slide block is provided with perforate, the studs is through placing In two slide blocks at base two ends, attaching nut is distinguished in the two ends of the studs in the outside of slide block.
2. the anti-jamming mechanism of a kind of development machine shield according to claim 1, it is characterised in that the development machine shield is prevented Stuck mechanism is placed between top shield and main driving.
3. the anti-jamming mechanism of a kind of development machine shield according to claim 1, it is characterised in that the base two ends it is oblique The guiding mechanism of slide block slip is additionally provided with face.
4. the anti-jamming mechanism of a kind of development machine shield according to claim 3, it is characterised in that the guiding mechanism for point The boss guide rail not being located on the inclined-plane of base two ends, the gradient one on the gradient of boss guide rail upper surface and base inclined-plane that it is located Cause, the slide block bottom surface is provided with the groove being engaged with the boss guide rail, and slide block is oblique along boss guide rail on the inclined-plane of base Move upwards or obliquely.
5. the anti-jamming mechanism of a kind of development machine shield according to claim 3, it is characterised in that the guiding mechanism for point The groove slideway not being located on the inclined-plane of base two ends, the gradient on the gradient of the bottom surface of the groove slideway and base inclined-plane that it is located Unanimously, the slide block bottom surface is provided with the boss being engaged with the groove slideway, and slide block is on the inclined-plane of base along groove slideway Move obliquely or obliquely.
CN201710041230.6A 2017-01-20 2017-01-20 Anti-jamming mechanism for shield of heading machine Pending CN106593453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710041230.6A CN106593453A (en) 2017-01-20 2017-01-20 Anti-jamming mechanism for shield of heading machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710041230.6A CN106593453A (en) 2017-01-20 2017-01-20 Anti-jamming mechanism for shield of heading machine

Publications (1)

Publication Number Publication Date
CN106593453A true CN106593453A (en) 2017-04-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710041230.6A Pending CN106593453A (en) 2017-01-20 2017-01-20 Anti-jamming mechanism for shield of heading machine

Country Status (1)

Country Link
CN (1) CN106593453A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11294069A (en) * 1998-04-03 1999-10-26 Kawasaki Heavy Ind Ltd Underground junction type shield boring machine
CN203650042U (en) * 2013-12-16 2014-06-18 浙江华鑫实业有限公司 Special clamp for automobile luggage support
CN104747200A (en) * 2015-03-18 2015-07-01 中铁工程装备集团有限公司 Pipe segment diameter adjustable hard rock tunneling machine adopting double-layer supporting mode and construction method thereof
CN204530502U (en) * 2015-04-10 2015-08-05 葛洲坝集团第五工程有限公司 A kind of temporary support discharge mechanism
CN205206828U (en) * 2015-12-11 2016-05-04 中船重工(青岛)轨道交通装备有限公司 Full -face tunnel boring machine assists oil -cylinder plug and prevents changeing supporting mechanism
CN206419019U (en) * 2017-01-20 2017-08-18 中铁工程装备集团有限公司 A kind of anti-jamming mechanism of development machine shield

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11294069A (en) * 1998-04-03 1999-10-26 Kawasaki Heavy Ind Ltd Underground junction type shield boring machine
CN203650042U (en) * 2013-12-16 2014-06-18 浙江华鑫实业有限公司 Special clamp for automobile luggage support
CN104747200A (en) * 2015-03-18 2015-07-01 中铁工程装备集团有限公司 Pipe segment diameter adjustable hard rock tunneling machine adopting double-layer supporting mode and construction method thereof
CN204530502U (en) * 2015-04-10 2015-08-05 葛洲坝集团第五工程有限公司 A kind of temporary support discharge mechanism
CN205206828U (en) * 2015-12-11 2016-05-04 中船重工(青岛)轨道交通装备有限公司 Full -face tunnel boring machine assists oil -cylinder plug and prevents changeing supporting mechanism
CN206419019U (en) * 2017-01-20 2017-08-18 中铁工程装备集团有限公司 A kind of anti-jamming mechanism of development machine shield

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Application publication date: 20170426