CN109025861A - Raise boring machine handrail structure and raise boring machine - Google Patents
Raise boring machine handrail structure and raise boring machine Download PDFInfo
- Publication number
- CN109025861A CN109025861A CN201811242599.4A CN201811242599A CN109025861A CN 109025861 A CN109025861 A CN 109025861A CN 201811242599 A CN201811242599 A CN 201811242599A CN 109025861 A CN109025861 A CN 109025861A
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- Prior art keywords
- idler wheel
- drilling rod
- boring machine
- base plate
- limited edge
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- 238000005553 drilling Methods 0.000 claims abstract description 78
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 13
- 239000003381 stabilizer Substances 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group 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 description 11
- 239000002131 composite material Substances 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 235000013351 cheese Nutrition 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention discloses a kind of raise boring machine handrail structure, including base plate, rocker-arm roller component and idler wheel drive cylinder, base plate center is provided with the first through hole for passing through drilling rod, recess is formed with four limiting slots on base plate, each limiting slot extends from first through hole edge to four angular direction of base plate, two trough rims that each limiting slot extends along direction are respectively first base position-limited edge and second base position-limited edge, base plate has two mutually orthogonal the first line of symmetries and the second line of symmetry, adjacent two limiting slot is symmetrical about the first line of symmetry or the second line of symmetry;Rocker-arm roller component includes four groups be respectively arranged in four limiting slots, including idler wheel;Idler wheel drive cylinder is for driving four rolling close to or far from drilling rod, and while idler wheel is near drilling rod, idler wheel is just contradicted with first base position-limited edge, and while idler wheel is farthest away from drilling rod, idler wheel is just contradicted with second base position-limited edge.
Description
Technical field
The invention belongs to mining machinery technical fields, and in particular to a kind of raise boring machine handrail structure and raise boring machine.
Background technique
As shown in Figure 1, the steady bar watt handrail structure of traditional raise boring machine is to be carried out using the steady bar watt 1 ' of two panels to drilling rod
The mounting means of righting, steady bar watt is: first the steady alignment of bar watt 1 ' of two panels being encased on pedestal 2 ', then is pressed with cheese head screw 3 '
Tightly.This traditional handrail structure has the following deficiencies:
It one, is using sliding contact, when drilling rod is not coaxial or eccentric bigger with steady bar watt between steady bar watt and drilling rod
When, drilling rod and steady bar watt sliding friction, head torsion is big, will cause drilling rod scratch, steady bar watt of burning, steady bar watt is stuck;
Two, when being changed to stabiliser bar drilling construction by drilling rod, since the surrounding of stabiliser bar is welded with oblique stablizing bar, surely
The diameter of fixed pole is bigger than drilling rod, needs to dismantle steady bar watt in stabiliser bar drilling, stabiliser bar reinstalls steady bar watt after passing through.It needs
The steady bar watt of manual demolition is wanted, stable watt of dismounting takes time and effort.
Application No. is 201220144882.5 patent documents to disclose a kind of hydraulic rod righting device of raise boring machine, including machine
Frame bottom plate, the framework soleplate are equipped with left plate sliding slot and right plate sliding slot, set between left plate sliding slot and right plate sliding slot
There are handrail plate I, handrail plate II, the outside of handrail plate I is equipped with the plate being connected with left plate sliding slot and right plate sliding slot
The outside of outer postive stop baffle I, handrail plate II are equipped with postive stop baffle outside the plate being connected with left plate sliding slot and right plate sliding slot
Postive stop baffle I in the plate being located on framework soleplate, limiting block in plate are equipped between II, handrail plate I and handrail plate II
Plate II, handrail plate I, handrail plate II are connected by left handrail oil cylinder with right handrail oil cylinder, and the handrail plate I, handrail are inserted
Ear mount is respectively equipped on plate II, the ear mount is equipped with roller shaft, and the roller shaft is equipped with idler wheel.Although the hydraulic rod righting device
It can be realized automatic handrail, but in handrail position fixing process, the sliding of handrail plate I and handrail plate II are not easy holding one
Cause, the handrail centre of location and drilling rod center are still easy to appear not coaxial, bias situation, so as to cause drilling rod it is still easy by
Damage.
Summary of the invention
The main object of the present invention is to provide a kind of raise boring machine handrail structure, it is intended to solve existing raise boring machine handrail
Not the problem of centre of location of structure drilling rod and handrail structure when carrying out handrail to drilling rod is not coaxial or is easy to appear compared with large eccentricity.
To achieve the above object, the present invention proposes a kind of raise boring machine handrail structure, comprising:
Base plate, center are provided with the first through hole for passing through drilling rod, are recessed on the base plate and are formed with
Four limiting slots, each limiting slot extend from the first through hole edge to four angular direction of base plate, each limiting slot
Two trough rims for extending along direction are respectively first base position-limited edge and second base position-limited edge, and the base plate has two-phase
Mutually orthogonal the first line of symmetry and the second line of symmetry, adjacent two limiting slot are symmetrical about the first line of symmetry or the second line of symmetry;
Rocker-arm roller component, including four groups be respectively arranged in four limiting slots, the rocker-arm roller component includes idler wheel;
Idler wheel drive cylinder, for driving four idler wheels close to or far from the drilling rod, when the idler wheel near
While the drilling rod, idler wheel is just contradicted with the first base position-limited edge, when the idler wheel is farthest away from the same of the drilling rod
When, idler wheel is just contradicted with the second base position-limited edge.
Preferably, the rocker-arm roller component further includes rocker arm, and the rocker arm includes axle sleeve, in axle sleeve two sides, protrusion is formed
Oil cylinder interconnecting piece and roller attachment portion, the rocker arm is rotatably mounted in the limiting slot by the axle sleeve, described
Idler wheel drive cylinder includes symmetrical two about the second line of symmetry, and the both ends difference of each idler wheel drive cylinder is rotatable
Ground connects the oil cylinder interconnecting piece of two rocker arms, and the idler wheel is rotatably mounted on the roller attachment portion;When the rolling
When wheel drive oil cylinder extends, idler wheel is close to the drilling rod, and when the idler wheel drive cylinder retracts, idler wheel is far from the drilling rod.
Preferably, the raise boring machine handrail structure further includes idler wheel cover board, the idler wheel cover board and the base plate
It is arranged oppositely, and one end away from the base plate of the rocker arm is rotatably mounted on the idler wheel cover board;It is described
Idler wheel cover plate central is provided with the second through-hole for passing through the drilling rod.
Preferably, protrusion is formed with two about symmetrical first restriction protrusion of the second line of symmetry, two on the idler wheel cover board
About symmetrical second restriction protrusion of the first line of symmetry;First restriction protrusion has two about the first line of symmetry symmetrical the
One cover board position-limited edge, the first cover board position-limited edge is corresponding with first base position-limited edge position, second restriction protrusion
It is limited with two about the symmetrical second cover board position-limited edge of the second line of symmetry, the second cover board position-limited edge and the second base
Side position is corresponding.
Preferably, the rocker-arm roller component further include: rocker arm shaft, rocker arm composite bearing, roller shaft and roller bearing, institute
It states rocker arm shaft to be installed in the axle sleeve by rocker arm composite bearing, the rocker arm is connected to the base plate by rocker arm shaft
Between idler wheel cover board;The idler wheel is installed on roller shaft by roller bearing, and the roller shaft is installed on the idler wheel peace
In dress portion.
Preferably, the axle sleeve is equipped with rocker arm sealing element along the both ends of its axis, and the idler wheel is set along the both ends of its axis
There is idler wheel sealing element.
Preferably, the raise boring machine handrail structure further includes main machine base, the base plate and the installation of idler wheel cover board
In on the main machine base.
Preferably, the bottom of the base plate, which is equipped with, leads slag cylinder, and described lead is equipped with pedestal between slag cylinder and base plate
Sealing element.
Preferably, the drilling rod can also be stabiliser bar.
The present invention also proposes that a kind of raise boring machine, the raise boring machine include raise boring machine handrail described in any of the above embodiments
Structure.
Compared with prior art, technical solution of the present invention the utility model has the advantages that
The present invention opens up four limiting slots limited respectively to the movement position of four rolling, bottom in sole plate base
For seat bottom plate in machine tooling, the central point for guaranteeing four limiting slots is consistent with the center position of four rolling;Work as idler wheel driving
Dynamic oil cylinder drives each idler wheel to draw close to drilling rod to when will contact drilling rod, and idler wheel is limited by first base position-limited edge simultaneously,
The diagonal intersection point of four rolling is on the axis of drilling rod, and pair of rollers drilling rod carries out righting, when drilling rod is uneven by deflection load-bearing stress
When, the bearing due to idler wheel by first base position-limited edge, the active force that drilling rod applies idler wheel, idler wheel can be passed by roller shaft
Rocker arm is passed, rocker arm passes through axle sleeve again and passes to rocker arm shaft, as the pedestal bottom where rocker arm shaft passes to first base position-limited edge
Plate, radial force are not transferred to idler wheel drive cylinder, to reduce the stress of idler wheel, idler wheel drive cylinder are also made not stress, from
And ensure that the stability of this handrail structure, extend service life.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structure chart of traditional handrail watt handrail structure in background of invention;
Fig. 2 is the fractionation structure chart of traditional handrail watt handrail structure in Fig. 1;
Fig. 3 is the structure chart for the raise boring machine handrail structure that one embodiment of the invention proposes;
Fig. 4 is the installation diagram for the raise boring machine handrail structure that Fig. 3 is proposed;
Fig. 5 is the structure chart of idler wheel cover board in the raise boring machine handrail structure of Fig. 3 proposition;
Fig. 6 is the structure chart of base plate in the raise boring machine handrail structure of Fig. 3 proposition;
Fig. 7 is the structure chart of rocker-arm roller component in the raise boring machine handrail structure of Fig. 3 proposition;
Fig. 8 is the fractionation structure chart for the raise boring machine handrail structure that Fig. 3 is proposed.
Drawing reference numeral explanation in background technique:
Label | Title | Label | Title |
1’ | Steady bar watt | 3’ | Cheese head screw |
2’ | Pedestal |
Drawing reference numeral explanation of the invention:
Label | Title | Label | Title |
1 | Base plate | 37 | Rocker arm sealing element |
11 | First through hole | 38 | Idler wheel sealing element |
12 | Limiting slot | 4 | Idler wheel drive cylinder |
13 | First base position-limited edge | 5 | Idler wheel cover board |
14 | Second base position-limited edge | 51 | Second through-hole |
2 | Drilling rod | 52 | First restriction protrusion |
3 | Rocker-arm roller component | 53 | Second restriction protrusion |
31 | Idler wheel | 54 | First cover board position-limited edge |
32 | Rocker arm | 55 | Second cover board position-limited edge |
321 | Axle sleeve | 6 | Main machine base |
322 | Oil cylinder interconnecting piece | 7 | Lead slag cylinder |
323 | Roller attachment portion | 8 | Pedestal sealing element |
33 | Rocker arm shaft | 9 | Stabiliser bar |
34 | Rocker arm composite bearing | M | First line of symmetry |
35 | Roller shaft | N | Second line of symmetry |
36 | Roller bearing |
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral;It can be mechanical connection, be also possible to
Electrical connection;It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of raise boring machine handrail structure.
Referring to figure 2. to Fig. 8, raise boring machine handrail structure, comprising:
Base plate 1, center are provided with the first through hole 11 for passing through drilling rod 2, concave shape on the base plate 1
At there are four limiting slot 12, each limiting slot 12 extends from 11 edge of first through hole to 1 four angular direction of base plate,
Two trough rims that each limiting slot 12 extends along direction are respectively first base position-limited edge 13 and second base position-limited edge 14, described
Base plate 1 has two the first mutually orthogonal line of symmetry M and the second line of symmetry N, and adjacent two limiting slot 12 is symmetrical about first
Line M or the second line of symmetry N are symmetrical;
Rocker-arm roller component 3, including four groups be respectively arranged in four limiting slots 12, the rocker-arm roller component 3 includes
Idler wheel 31;
Idler wheel drive cylinder 4, for driving four idler wheels 31 close to or far from the drilling rod 2, when the idler wheel 31
While near drilling rod 2, idler wheel 31 just with the first base position-limited edge 13 contradict, when the idler wheel 31 farthest away from
While drilling rod 2, idler wheel 31 is just contradicted with the second base position-limited edge 14.
In conventional implementation, drilling rod carries out righting using steady bar watt, since sliding rubs between drilling rod and steady bar watt
Wiping, which easilys lead to drilling rod bending moment, causes the service life low, and in some improved drilling rod righting structures, although using idler wheel
Mentioned in righting structure, such as background technique application No. is the hydraulic rod righting devices of 201220144882.5 raise boring machine, though
It so uses and is in rolling contact, but the four rolling in the hydraulic centralizing device due to each plate sliding slot, is helped in opening or purse up
Cooperation reason between bar plate, the center for not ensuring that four rolling is consistent with the axis centre of drilling rod, and drilling rod exists
In the case of unbalance loading, power is transmitted to each idler wheel by drilling rod, and each idler wheel is stressed directly, since unbalance stress is easier to lead to four rollings
The position of wheel shifts, to lose the righting effect to drilling rod.
And in the present embodiment, the present invention opened up in sole plate base 1 respectively to the movement position of four rolling 31 into
Four limiting slots 12 of row limit, base plate 1 guarantee the central point and four rolling of four limiting slots 12 in machine tooling
Center position it is consistent;When idler wheel drive cylinder 4 drives each idler wheel 31 to draw close to drilling rod 2 to when will contact drilling rod 2, idler wheel
31 are limited by first base position-limited edge 13 simultaneously, and for the diagonal intersection point of four rolling 31 on the axis of drilling rod 2, idler wheel 31 is right
Drilling rod 2 carries out righting, the branch when drilling rod 2 is uneven by deflection load-bearing stress, due to idler wheel 31 by first base position-limited edge 13
It holds, drilling rod 2 passes to the radial force of idler wheel 31, and idler wheel 31 can pass to rocker arm 32 by roller shaft 35, and rocker arm 32 passes through axle sleeve
321 pass to rocker arm shaft 33, and rocker arm shaft 33 passes to the base plate 1 where first base position-limited edge 13 again, to reduce
The stress of idler wheel 31 also makes idler wheel drive cylinder 4 not stress, to ensure that the stability of this handrail structure, extends use
Service life.
Also, when idler wheel drive cylinder 4 drives each idler wheel 31 to be flared out, due to the limit of second base position-limited edge 14
Effect ensure that idler wheel 31 is symmetrical in the desired direction and open that central point when each idler wheel 31 is opened and collapsed is always in drilling rod 2
On axis, the stability of this handrail structure is further ensured.
Further, the rocker-arm roller component 3 further includes rocker arm 32, and the rocker arm 32 includes axle sleeve 321, in axle sleeve
The prominent oil cylinder interconnecting piece 322 and roller attachment portion 323 formed in 321 two sides, the rocker arm 32 are rotatable by the axle sleeve 321
Ground is installed in the limiting slot 12, and the idler wheel drive cylinder 4 includes the Mei Yisuo symmetrical two about the second line of symmetry N
The both ends for stating idler wheel drive cylinder 4 respectively rotatably connect the oil cylinder interconnecting piece 322 of two rocker arms 32, and the idler wheel 31 can
It is rotatably mounted on the roller attachment portion 323;When the idler wheel drive cylinder 4 elongation, idler wheel 31 is close to the drilling rod
2, when the idler wheel drive cylinder 4 retracts, idler wheel 31 is far from the drilling rod 2.
In conventional implementation, the moving direction of idler wheel and the telescopic direction of drive cylinder are consistent, and drilling rod applies idler wheel
The active force added is transmitted in drive cylinder, is easy that drive cylinder is made to be damaged, and influences the service life of entire righting structure.
And in the present embodiment, it will be set to per each idler wheel 31 on a rotatable rocker arm 32, every two idler wheel 31 passes through an idler wheel driving
The flexible close to each other or separate to control respective idler wheel 31 of oil cylinder 4 is moved, when the two idler wheel phases driven by an idler wheel drive cylinder 4
To close to when, two idler wheels 31 be it is close to drilling rod 2, it is also close to the first base position-limited edge 13, when two idler wheels
When being located remotely from each other, two idler wheels are also close to the second base position-limited edge 14 also far from drilling rod 2, by first base position-limited edge
13 and second base position-limited edge 14 share power, extend the service life of idler wheel drive cylinder 4.
Further, the raise boring machine handrail structure further includes idler wheel cover board 5, the idler wheel cover board 5 and the pedestal
Bottom plate 1 is arranged oppositely, and one end away from the base plate 1 of the rocker arm 32 is rotatably mounted in the idler wheel cover board
On 5;5 center of idler wheel cover board is provided with the second through-hole 51 for passing through the drilling rod.
Each rocker-arm roller component 3 is connected between opposite base plate 1 and idler wheel cover board 5, increases total
Mechanical strength, it is more firm.
Further, protrusion is formed with two about symmetrical first restriction protrusion of the second line of symmetry N on the idler wheel cover board 5
52, two about symmetrical second restriction protrusion 53 of the first line of symmetry M;First restriction protrusion 52 is symmetrical about first with two
The symmetrical first cover board position-limited edge 54 of line M, the first cover board position-limited edge 54 is corresponding with 13 position of first base position-limited edge,
Second restriction protrusion 53 has two about the symmetrical second cover board position-limited edge 55 of the second line of symmetry N, and second cover board limits
Position side 55 is corresponding with 14 position of second base position-limited edge.
The present invention on idler wheel cover board 5 be provided with the consistent multiple position-limited edges in position on the base plate 1, i.e., so that
One end of each idler wheel 31 is in the limit by first base position-limited edge 13, the other end also limit by the first cover board position-limited edge 54
Position;In the limit by second base position-limited edge 14, the other end is also by the second cover board position-limited edge 55 for one end of each idler wheel 31
Limit, more reduce the stress of idler wheel 31 and idler wheel drive cylinder 4, increase the service life of this righting structure, also make
It is more firm to obtain structure.
Further, the rocker-arm roller component 3 further include: rocker arm shaft 33, rocker arm composite bearing 34, roller shaft 35 and rolling
Wheel bearing 36, the rocker arm shaft 33 are installed in the axle sleeve 321 by rocker arm composite bearing 34, and the rocker arm 32 passes through rocker arm
Axis 33 is connected between the base plate 1 and idler wheel cover board 5;The idler wheel 31 is installed on roller shaft 35 by roller bearing 36
On, the roller shaft 35 is installed on the roller attachment portion 323.
Further, the axle sleeve 321 is equipped with rocker arm sealing element 37 along the both ends of its axis, and the idler wheel 31 is along its axis
Both ends be equipped with idler wheel sealing element 38.
The rocker-arm roller component 3 devises reliable dustproof and waterproof sealing, avoids abrasion of particles, avoids sliding and rub
Wipe bring damage.
Further, the raise boring machine handrail structure further includes main machine base 6, the base plate 1 and idler wheel cover board 5
It is installed on the main machine base 6.
Handrail structure of the present invention is installed on the host assembly of raise boring machine by main machine base 6, and centering handrail is dynamic
When making: idler wheel drive cylinder 4 is stretched out, and drives rocker-arm roller component 3 toward contract, when roller group reaches idler wheel cover board 5 and pedestal
When the limiting slot of bottom plate 1, four groups of idler wheels reach design position, i.e. the intersection point of the diagonal line in the axle center of four rolling is the axis of drilling rod
Line has the gap of 0.2-0.5mm to carry out centering handrail to drilling rod between centering handrail position idler wheel and drilling rod.
Under handrail state of feeling relieved, drilling rod 2 passes to rocker arm shaft 33 to the radial force of rocker-arm roller component 3, and rocker arm shaft 33 passes
Idler wheel cover board 5 and base plate 1 are passed, due to the effect of limiting slot, idler wheel drive cylinder 4 is not held theoretically in the operating condition
By any component, to keep the stability of structure centering handrail.
Further, the bottom of the base plate 1 is equipped with and leads slag cylinder 7, and described lead sets between slag cylinder 7 and base plate 1
There is pedestal sealing element 8.
Further, the drilling rod 2 can also be stabiliser bar 9.
Difference of the stabiliser bar 9 compared to drilling rod 2 is oblique stablizing bar to be welded in its surrounding, therefore work as and replaced
It when stabiliser bar is crept into, needs to open righting mechanism, releases centering handrail, change drilling rod 2 into stabiliser bar 9, idler wheel drive cylinder 4
It withdraws, rocker-arm roller component 3 is opened, and the centering handrail to drilling rod 2, the limit that idler wheel cover board plate 5 and base plate 1 design are released
When slot ensure that idler wheel drive cylinder 4 is stretched, rocker-arm roller component 3 is opened and is shunk in the desired direction.
Original fixed structure is changed to the bascule of oil cylinder control by the new handrail structure of the present invention, by drilling rod and steady bar
Watt sliding contact be changed to being in rolling contact for drilling rod and rocker-arm roller, new handrail structure design, in stabiliser bar drilling construction
When, roller rock arm structure 3 is driven by idler wheel drive cylinder 4 opens, and stablizes drilling rod and passes freely through, bar this link is changed in removal
Working strength greatly reduces the construction time.Meanwhile drilling rod is in rolling contact with rocker-arm roller, reduces abrasion.
The present invention also proposes that a kind of raise boring machine, the raise boring machine include raise boring machine handrail structure, and the courtyard bores
The specific structure of machine handrail structure is referring to above-described embodiment, since raise boring machine handrail structure uses above-mentioned all embodiments
Whole technical solutions, therefore all beneficial effects brought by the same technical solution with above-described embodiment, it is not another herein
One repeats.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of raise boring machine handrail structure characterized by comprising
Base plate, center are provided with the first through hole for passing through drilling rod, and recess is formed with four on the base plate
Limiting slot, each limiting slot extend from the first through hole edge to four angular direction of base plate, and each limiting slot is along it
Two trough rims of extending direction are respectively first base position-limited edge and second base position-limited edge, and the base plate has two mutually just
The first line of symmetry and the second line of symmetry handed over, adjacent two limiting slot are symmetrical about the first line of symmetry or the second line of symmetry;
Rocker-arm roller component, including four groups be respectively arranged in four limiting slots, the rocker-arm roller component includes idler wheel;
Idler wheel drive cylinder, for driving four idler wheels close to or far from the drilling rod, when the idler wheel is near described
While drilling rod, idler wheel is just contradicted with the first base position-limited edge, while the idler wheel is farthest away from the drilling rod, rolling
Wheel is just contradicted with the second base position-limited edge.
2. raise boring machine handrail structure as described in claim 1, which is characterized in that the rocker-arm roller component further includes shaking
Arm, the rocker arm include axle sleeve, in the prominent oil cylinder interconnecting piece and roller attachment portion formed in axle sleeve two sides, and the rocker arm passes through institute
It states axle sleeve to be rotatably mounted in the limiting slot, the idler wheel drive cylinder includes about the second line of symmetry symmetrical two
A, the both ends of each idler wheel drive cylinder respectively rotatably connect the oil cylinder interconnecting piece of two rocker arms, the idler wheel
It is rotatably mounted on the roller attachment portion;When idler wheel drive cylinder elongation, idler wheel works as institute close to the drilling rod
When stating the retraction of idler wheel drive cylinder, idler wheel is far from the drilling rod.
3. raise boring machine handrail structure as claimed in claim 2, which is characterized in that further include idler wheel cover board, the roller cap
Plate is arranged oppositely with the base plate, and one end away from the base plate of the rocker arm be rotatably mounted in it is described
On idler wheel cover board;The idler wheel cover plate central is provided with the second through-hole for passing through the drilling rod.
4. raise boring machine handrail structure as claimed in claim 3, which is characterized in that protrusion is formed with two on the idler wheel cover board
About symmetrical first restriction protrusion of the second line of symmetry, two about symmetrical second restriction protrusion of the first line of symmetry;Described first
Restriction protrusion is with two about the symmetrical first cover board position-limited edge of the first line of symmetry, the first cover board position-limited edge and described first
Pedestal position-limited edge position is corresponding, and second restriction protrusion has two about the symmetrical second cover board position-limited edge of the second line of symmetry,
The second cover board position-limited edge is corresponding with second base position-limited edge position.
5. raise boring machine handrail structure as claimed in claim 2, which is characterized in that the rocker-arm roller component further include: shake
Arm axle, rocker arm composite bearing, roller shaft and roller bearing, the rocker arm shaft are installed on the axle sleeve by rocker arm composite bearing
Interior, the rocker arm is connected between the base plate and idler wheel cover board by rocker arm shaft;The idler wheel is pacified by roller bearing
Loaded on roller shaft, the roller shaft is installed on the roller attachment portion.
6. raise boring machine handrail structure as claimed in claim 5, which is characterized in that the axle sleeve is equipped with along the both ends of its axis
Rocker arm sealing element, the idler wheel are equipped with idler wheel sealing element along the both ends of its axis.
7. raise boring machine handrail structure as described in claim 1, which is characterized in that it further include main machine base, the pedestal bottom
Plate and idler wheel cover board are installed on the main machine base.
8. raise boring machine handrail structure as claimed in claim 7, which is characterized in that the bottom of the base plate is equipped with and leads slag
Cylinder, described lead are equipped with pedestal sealing element between slag cylinder and base plate.
9. raise boring machine handrail structure as claimed in any one of claims 1 to 8, which is characterized in that the drilling rod can also be
Stabiliser bar.
10. a kind of raise boring machine, which is characterized in that the raise boring machine includes that the described in any item courtyards of claim 1 to 9 bore
Machine handrail structure.
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