CN109958397A - A kind of pneumatic drill support formula support device convenient for adjusting angle - Google Patents

A kind of pneumatic drill support formula support device convenient for adjusting angle Download PDF

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Publication number
CN109958397A
CN109958397A CN201910280393.9A CN201910280393A CN109958397A CN 109958397 A CN109958397 A CN 109958397A CN 201910280393 A CN201910280393 A CN 201910280393A CN 109958397 A CN109958397 A CN 109958397A
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fixed link
limit plate
plate
main body
fixed
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CN201910280393.9A
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CN109958397B (en
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李叶林
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Hunan University of Arts and Science
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Hunan University of Arts and Science
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a kind of pneumatic drill support formula support devices convenient for adjusting angle, including rock drill main body, top attachment base, bottom rotating seat, intermediate fixed link, air leg main body, installation part, first connecting shaft, connecting rod, bottom mounting plate, fixed jaw and fixed bottom plate, the centre of the rock drill main body is provided through the first fixed link and the second fixed link, and second the top of fixed link and the first fixed link be mutually clamped between the second limit plate and the first limit plate respectively, and the two sides of the second limit plate and the first limit plate also respectively with top attachment base are mutually clamped, the bottom of the roll is wound with connecting line, and the top of connecting line is equipped with limited block.This is convenient for the pneumatic drill support formula support device for adjusting angle during carrying out use, it not only can be convenient the adjusting work that the rock drill above whole device carries out multi-angle, and also facilitate the fixation work for carrying out angle after the completion of adjusting work, guarantee the accurate punching work of rock drill.

Description

A kind of pneumatic drill support formula support device convenient for adjusting angle
Technical field
The present invention relates to technology rock drill related fields, specially a kind of pneumatic drill support formula support convenient for adjusting angle Device.
Background technique
Pneumatic drill support formula support device is a kind of for supporting rock drill to have the important accessory of progradation concurrently, is come with this Reach a kind of auxiliary device that rock drill is fixed, it is general to be conveniently used to through rock drill to level or the position upwarped Rock drilling work is carried out, there is following problems during carrying out use for the gas leg type support device on existing market;
1, the gas leg type support device on existing market, cannot be well to chisel during rock drill is fixed The rotary work of the carry out multi-angle of rock machine, and after the completion of the position to rock drill is adjusted, position cannot be carried out well Fixed effect, cause whole device support rock drill worked during, can the perforating angle to rock drill cause shadow It rings;
2, traditional air leg support device for convenience places it after the completion of use, is required to support device Dismantlement work is carried out between rock drill main body, placement work could be carried out to support device, and entire support device is carrying out It cannot carry out stablizing placement well during placement, often will appear and slide serious phenomenon and occur and traditional more Air leg support device can not carry out folding placement to air leg well so that whole device use after the completion of, not only not Facilitate stable placement, while not can be reduced occupied space.
So we have proposed a kind of pneumatic drill support formula support devices convenient for adjusting angle, in order to solve among the above The problem of proposition.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of pneumatic drill support formula support device convenient for adjusting angle The gas leg type support device currently on the market that background technique proposes cannot facilitate rock drilling during carrying out use well Machine carries out the adjusting work of multi-angle, and cannot fold to rock drill well and stablize the problem of placing.
To achieve the above object, the invention provides the following technical scheme: a kind of pneumatic drill support formula convenient for adjusting angle Support device, including rock drill main body, top attachment base, bottom rotating seat, bottom mounting base, intermediate fixed link, air leg main body, Installation part, the first connecting shaft, connecting rod, bottom mounting plate, fixed jaw and fixed bottom plate, the centre of the rock drill main body is run through Be provided with the first fixed link and the second fixed link, and the top of the second fixed link and the first fixed link respectively with the second limit plate and It is mutually clamped between first limit plate, and the second limit plate and the first limit plate are also mutual with the two sides of top attachment base respectively Engaging, the bottom of the top attachment base is connected with the top of bottom rotating seat, and the bottom of bottom rotating seat passes through damping Spring is connected with bottom mounting base, and the bottom middle position of the bottom mounting base is connected with intermediate fixed link, and bottom is pacified It fills and is connected by a hinge between two side positions and air leg main body of seat bottom, and the bottom of air leg main body is fixedly installed with fixation Pawl is equipped with installation part outside the side of the air leg main body, and the side of installation part passes through the first connecting shaft and connecting rod phase Connection, and two side positions of bottom mounting plate are run through in the lower section of connecting rod, and the centre of bottom mounting plate is intermediate solid through having Fixed pole, while the bottom of connecting rod is integrally equipped with fixed bottom plate, the inner tip side of the bottom mounting base passes through second Connecting shaft is connected with outer pawl, and is connected with roll, and coiling above the other side of the inner tip of bottom mounting base The top of axis runs through the fixing seat being arranged in above the mounting base of bottom and is connected with knob, and the outside of roll passes through torsional spring It is connected with the inner wall of fixing seat, the bottom of the roll is wound with connecting line, and the top of connecting line is equipped with limited block, The inside of first limit plate and the second limit plate passes through telescopic rod and is connected with the outer wall of bottom rotating seat, and telescopic rod Top be provided with fixation spring tab.
Preferably, the outside of the bottom rotating seat is uniformly distributed with external ratchet teeth, and between adjacent external ratchet teeth Groove-like structure with mutually engage between outer pawl and limited block, and the bottom of bottom rotating seat is also uniformly distributed with Damping spring.
Preferably, mechanism is integrated between the installation part and the outside of air leg main body, and installation part is biased to air leg main body Top setting.
Preferably, it is structure as a whole between the bottom of the connecting rod and fixed bottom plate, and the intermediate setting of fixed bottom plate There is the wears groove being mutually clamped with intermediate fixed link, and connecting rod is interference fit in the inside of bottom mounting plate.
Preferably, it is structure as a whole between first fixed link and the second fixed link, and outside the first fixed link The second internal pawl outside one internal pawl and the second fixed link it is contrary.
Preferably, the second internal pawl outside the first internal pawl and the second fixed link outside first fixed link It is mutually clamped between the first internal ratchet inside the first limit plate and the second internal ratchet inside the second limit plate respectively, And first the first internal ratchet inside limit plate and the second internal ratchet inside the second limit plate run through the first limit plate With the top of the second limit plate.
Preferably, it is mutually clamped between first limit plate and the inside and top attachment base of the second limit plate, and the The top of one limit plate and the second limit plate passes through telescopic rod respectively and is connected with the outer wall of top attachment base.
Preferably, it is mutually clamped between the limited block and external ratchet teeth, and between limited block and roll and limited block It is magnetic connection, and the equal length of the distance between roll and external ratchet teeth top and limited block.
Compared with prior art, the beneficial effects of the present invention are: dress should be supported convenient for the pneumatic drill support formula for adjusting angle It sets during carrying out use, not only can be convenient the adjusting work that the rock drill above whole device carries out multi-angle, and Also facilitate the fixation work for carrying out angle after the completion of adjusting work, guarantees the accurate punching work of rock drill, and entirely fill Setting, which can be very good, carries out folding storage work, and also more stable during being placed;
1, first internal pawl of whole device during carrying out use, outside the first fixed link and the second fixed link It can be very good to carry out on vertical direction under the action of the first internal ratchet and the second internal ratchet with the second internal pawl Angle rotation and fixed work, facilitate entire rock drill to carry out the punching work on vertical direction, cooperate entire bottom rotating seat Entire top attachment base and rock drill main body can be carried out level side well by the rotary work inside the mounting base of bottom Upward rotary work, then cooperate the work of limited block, also facilitate and the angle in horizontal direction is adjusted, it is convenient to entire Rock drill main body carries out the adjusting and fixed work of multi-angle, so that the use scope of entire support device is wider;
2, the setting of the damping spring of entire bottom rotating seat bottom can be very good in the entire rock drill course of work The vibration of generation is weakened, and avoids vibration from being transmitted to the top of air leg main body, the fixed jaw of air leg bottom part body is caused to occur The phenomenon that loosening, occurs;
3, entire air leg can be very good to carry out the change of angle also under the action of the first connecting shaft, installation part and connecting rod Chemical industry is made, and the setting of the fixation bottom plate and air leg bottom part body fixed jaw of mating connection bar bottom can be well to entire dress The fixed placement work for carrying out folding storage is set, guarantees that whole device facilitates after the completion of use and carries out placement work.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the present invention;
Fig. 2 connect overlooking structure diagram with top attachment base for rock drill main body of the present invention;
Fig. 3 connect schematic view of the front view with bottom mounting base for bottom rotating seat of the present invention;
Fig. 4 is enlarged structure schematic diagram at A in Fig. 3 of the present invention;
Fig. 5 is the first fixed link of the invention and the first limit plate structural schematic diagram;
Fig. 6 is the second fixed link of the invention and the second limit plate structural schematic diagram;
Fig. 7 connect overlooking structure diagram with bottom rotating seat for bottom mounting base of the present invention;
Fig. 8 is that limit plate of the present invention and bottom rotating seat overlook connection partial structural diagram.
In figure: 1, rock drill main body;2, top attachment base;3, bottom rotating seat;301, external ratchet teeth;4, bottom is installed Seat;5, intermediate fixed link;6, air leg main body;7, installation part;8, the first connecting shaft;9, connecting rod;10, bottom mounting plate;11, solid Determine pawl;12, fixed bottom plate;13, the first fixed link;1301, the first internal pawl;14, the second fixed link;1401, inside second Pawl;15, the first limit plate;1501, the first internal ratchet;16, the second limit plate;1601, the second internal ratchet;17, second Connecting shaft;18, outer pawl;19, damping spring;20, knob;21, fixing seat;22, roll;23, connecting line;24, it limits Block;25, torsional spring;26, telescopic rod;27, fixation spring tab.
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 embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-8 is please referred to, the present invention provides a kind of technical solution: a kind of pneumatic drill support formula support convenient for adjusting angle Device, rock drill main body 1, top attachment base 2, bottom rotating seat 3, external ratchet teeth 301, bottom mounting base 4, intermediate fixed link 5, Air leg main body 6, installation part 7, the first connecting shaft 8, connecting rod 9, bottom mounting plate 10, fixed jaw 11, fixed bottom plate 12, first are solid Fixed pole 13, the first internal pawl 1301, the second fixed link 14, the second internal pawl 1401, the first limit plate 15, the first inside spine Tooth 1501, the second limit plate 16, the second internal ratchet 1601, the second connecting shaft 17, outer pawl 18, damping spring 19, knob 20, fixing seat 21, roll 22, connecting line 23, limited block 24, torsional spring 25, telescopic rod 26 and fixation spring tab 27, rock drill main body 1 centre is provided through the first fixed link 13 and the second fixed link 14, and the top of the second fixed link 14 and the first fixed link 13 End is mutually clamped between the second limit plate 16 and the first limit plate 15 respectively, and the second limit plate 16 and the first limit plate 15 Also the two sides respectively with top attachment base 2 are mutually clamped, and the bottom of top attachment base 2 is connected with the top of bottom rotating seat 3, And the bottom of bottom rotating seat 3 is connected by damping spring 19 with bottom mounting base 4, the bottom interposition of bottom mounting base 4 It sets and is connected with intermediate fixed link 5, and be connected by a hinge between two side positions and air leg main body 6 of 4 bottom of bottom mounting base, and And the bottom of air leg main body 6 is fixedly installed with fixed jaw 11, and installation part 7, and installation part are equipped with outside the side of air leg main body 6 7 side is connected by the first connecting shaft 8 with connecting rod 9, and the lower section of connecting rod 9 is through the two sides of bottom mounting plate 10 position It sets, and the centre of bottom mounting plate 10 is through there is intermediate fixed link 5, while the bottom of connecting rod 9 is integrally equipped with fixed bottom The inner tip side of plate 12, bottom mounting base 4 is connected by the second connecting shaft 17 with outer pawl 18, and bottom mounting base Roll 22 is connected with above the other side of 4 inner tip, and setting is run through in bottom mounting base 4 in the top of roll 22 The fixing seat 21 of side is connected with knob 20, and the outside of roll 22 is connected by torsional spring 25 with the inner wall of fixing seat 21 It connects, the bottom of roll 22 is wound with connecting line 23, and the top of connecting line 23 is equipped with limited block 24,15 He of the first limit plate The inside of second limit plate 16 passes through telescopic rod 26 and is connected with the outer wall of bottom rotating seat 3, and the top of telescopic rod 26 is set It is equipped with fixation spring tab 27.
The outside of bottom rotating seat 3 is uniformly distributed with external ratchet teeth 301, and the slot between adjacent external ratchet teeth 301 Mutually engage between shape structure and outer pawl 18 and limited block 24, and the bottom of bottom rotating seat 3 is also uniformly distributed There is damping spring 19, conveniently under the action of outer pawl 18 and limited block 24 bottom rotating seat 3 is carried out horizontal Rotation and the fixed work of angle.
Mechanism is integrated between installation part 7 and the outside of air leg main body 6, and the top of the deviation air leg main body 6 of installation part 7 is set It sets.
It is structure as a whole between the bottom of connecting rod 9 and fixed bottom plate 12, and the centre of fixed bottom plate 12 is provided with in Between the wears groove that is mutually clamped of fixed link 5, and connecting rod 9 is interference fit in the inside of bottom mounting plate 10, convenient so that even Extension bar 9 is moved in the inside of bottom mounting plate 10, and conveniently under the action of the fixation bottom plate 12 of the bottom of connecting rod 9 Complete the placement work of whole device.
It is structure as a whole between first fixed link 13 and the second fixed link 14, and inside first outside the first fixed link 13 The second internal pawl 1401 outside pawl 1301 and the second fixed link 14 it is contrary, it is convenient to be limited two positions Work, achievees the effect that facilitate and is rotated and fixed vertically.
The second internal pawl outside the first internal pawl 1301 and the second fixed link 14 outside first fixed link 13 1401 respectively with the first internal ratchet 1501 inside the first limit plate 15 and the second internal ratchet inside the second limit plate 16 It is mutually clamped between 1601, and the first internal ratchet 1501 inside the first limit plate 15 and second inside the second limit plate 16 Internal ratchet 1601 runs through the top of the first limit plate 15 and the second limit plate 16, convenient so that the first fixed link 13 and second Fixed link 14 can carry out rotary work facing one direction, and can while the two under position-limiting action to rock drilling owner Body 1 carries out the fixed work in position.
It is mutually clamped between first limit plate 15 and the inside and top attachment base 2 of the second limit plate 16, and the first limit The top of plate 15 and the second limit plate 16 passes through telescopic rod 26 respectively and is connected with the outer wall of top attachment base 2, convenient flexible The position of first limit plate 15 and the second limit plate 16 is limited and fixed under the action of bar 26.
It is mutually clamped between limited block 24 and external ratchet teeth 301, and between limited block 24 and roll 22 and limited block 24 It is magnetic connection, and the equal length of the distance between roll 22 and 301 top of external ratchet teeth and limited block 24, it is convenient So that the position of limited block 24 will not change, and it can accurately engage the channel-shaped entered inside external ratchet teeth 301 In structure.
The working principle of the present embodiment: when being convenient for adjusting the pneumatic drill support formula support device of angle using this, firstly, Work is fixed under the action of fixed jaw 11 of 6 bottom of air leg main body in whole device, before work is fixed, is needed It wants staff that air leg main body 6 is carried out angle change work under the action of its top hinge, carries out angle in air leg main body 6 During variation, the first connecting shaft 8 on the installation part 7 of top also will drive connecting rod 9 and carry out mobile working, so that connection The bottom of bar 9 carries out mobile working in the top of bottom mounting plate 10, as a result, can be in the work of connecting rod 9 and air leg main body 6 Effect is lower to complete entire installation support work, after the completion of support, just needs the angle to the rock drill main body 1 above whole device Work is adjusted in degree;
When needing to carry out entire rock drill main body 1 the angular adjustment work on vertical direction, staff only needs The direction rotated as needed, carries out pullling work to the first limit plate 15 or the second limit plate 16, so that the first limit Position plate 15 or the second limit plate 16 drive its inside to be detached from the preformed groove inside attachment base 2 above, and then work as side The first limit plate 15 perhaps the separation of the second limit plate 16 just make inside the first limit plate 15 or the second limit plate 16 the One internal ratchet 1501 or the second internal ratchet 1601 just will not be in the first fixed link 13 or the second fixed link 14 One internal pawl 1301 or the second internal pawl 1401 carry out limit work, and staff can hold entire rock drilling as a result, Owner's body 1 carries out the rotary work in a direction, after entire rock drill main body 1 is rotatably moved to suitable position, work Personnel only need to repeat above-mentioned work, and the first limit plate 15 of extraction or the second limit plate 16 are engaged again and entered In square 2 internal reservation slot of attachment base, so that the first internal ratchet 1501 inside the first limit plate 15 or the second limit plate 16 The first internal pawl 1301 and the second internal pawl 1401 are limited again with the second internal ratchet 1601, just completed pair Angular adjustment and fixed work in 1 horizontal direction of rock drill main body;
Later, when the fixed work of the angular adjustment for needing to carry out entire rock drill main body 1 horizontal direction, staff It only needs to rotate knob 20, so that the rotation of knob 20 drives the roll 22 of its bottom to be rotated, roll 22 revolves Turn to drive the connecting line 23 of its bottom to carry out coiling work, during connecting line 23 carries out coiling, it will be made It is separated from each other between the limited block 24 and external ratchet teeth 301 on top, rock drill main body 1 can be rotated as a result, so that Rock drill main body 1 drives top attachment base 2 and bottom rotating seat 3 to carry out rotary work, when entire bottom rotating seat 3 rotates to conjunction After suitable angle, staff only needs to decontrol knob 20, so that knob 20 resets under the action of torsional spring 25, resets and completes Afterwards, limited block 24 engages the inside for entering external ratchet teeth 301 again, and then just completes limit work well, so that it may Rock drill main body 1 use;
After the completion of use, staff only needs to extract fixed jaw 11 under the action of air leg main body 6 is stretched, Then, so that entire air leg main body 6 carries out the folding work of angle change under the action of hinge, after the completion of folding, due to even The presence of extension bar 9 will make the bottom of connecting rod 9 carry out decline work during air leg main body 6 is folded, During the bottom decline of connecting rod 9, staff only needs under the action of the fixation bottom plate 12 of 9 bottom of connecting rod Entire support device to be fixed well, and since the setting of fixed bottom plate 12 will not make entire support device The bad phenomenon of stability occur, to complete a series of activities.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this Within the protection scope of invention.

Claims (8)

1. it is a kind of convenient for adjust angle pneumatic drill support formula support device, including rock drill main body (1), top attachment base (2), Bottom rotating seat (3), bottom mounting base (4), intermediate fixed link (5), air leg main body (6), installation part (7), the first connecting shaft (8), connecting rod (9), bottom mounting plate (10), fixed jaw (11) and fixation bottom plate (12), it is characterised in that: the rock drilling owner The centre of body (1) is provided through the first fixed link (13) and the second fixed link (14), and the second fixed link (14) and first is consolidated The top of fixed pole (13) is mutually clamped between the second limit plate (16) and the first limit plate (15) respectively, and the second limit plate (16) it is mutually clamped with two sides of the first limit plate (15) also respectively with top attachment base (2), the bottom of the top attachment base (2) Portion is connected with the top of bottom rotating seat (3), and the bottom of bottom rotating seat (3) is installed by damping spring (19) and bottom Seat (4) is connected, and the bottom middle position of the bottom mounting base (4) is connected with intermediate fixed link (5), and bottom mounting base (4) it is connected by a hinge between two side positions of bottom and air leg main body (6), and the bottom of air leg main body (6) is fixedly mounted Have fixed jaw (11), be equipped with installation part (7) outside the side of the air leg main body (6), and the side of installation part (7) passes through the One connecting shaft (8) is connected with connecting rod (9), and two side positions of bottom mounting plate (10) are run through in the lower section of connecting rod (9), and And the centre of bottom mounting plate (10) is through having intermediate fixed link (5), while the bottom of connecting rod (9) is integrally equipped with fixed bottom The inner tip side of plate (12), the bottom mounting base (4) is connected by the second connecting shaft (17) with outer pawl (18), And it is connected with roll (22) above the other side of the inner tip of bottom mounting base (4), and the top of roll (22) is run through The fixing seat (21) being arranged above bottom mounting base (4) is connected with knob (20), and the outside of roll (22) passes through Torsional spring (25) is connected with the inner wall of fixing seat (21), and the bottom of the roll (22) is wound with connecting line (23), and connects The top of line (23) is equipped with limited block (24), and the inside of first limit plate (15) and the second limit plate (16), which passes through, stretches Contracting bar (26) is connected with the outer wall of bottom rotating seat (3), and fixation spring tab (27) are provided with above telescopic rod (26).
2. a kind of pneumatic drill support formula support device convenient for adjusting angle according to claim 1, it is characterised in that: institute The outside for stating bottom rotating seat (3) is uniformly distributed with external ratchet teeth (301), and the slot between adjacent external ratchet teeth (301) Mutually engage between shape structure and outer pawl (18) and limited block (24), and the bottom of bottom rotating seat (3) is also uniform Damping spring (19) are distributed with.
3. a kind of pneumatic drill support formula support device convenient for adjusting angle according to claim 1, it is characterised in that: institute It states and is integrated mechanism between installation part (7) and the outside of air leg main body (6), and installation part (7) is biased to the top of air leg main body (6) Setting.
4. a kind of pneumatic drill support formula support device convenient for adjusting angle according to claim 1, it is characterised in that: institute It states and is structure as a whole between the bottom of connecting rod (9) and fixed bottom plate (12), and the centre of fixed bottom plate (12) is provided with in Between the wears groove that is mutually clamped of fixed link (5), and connecting rod (9) is interference fit in the inside of bottom mounting plate (10).
5. a kind of pneumatic drill support formula support device convenient for adjusting angle according to claim 1, it is characterised in that: institute It states and is structure as a whole between the first fixed link (13) and the second fixed link (14), and inside the first of the first fixed link (13) outside External the second internal pawl (1401) of pawl (1301) and the second fixed link (14) it is contrary.
6. a kind of pneumatic drill support formula support device convenient for adjusting angle according to claim 5, it is characterised in that: institute State the second internal pawl of external the first internal pawl (1301) of the first fixed link (13) and the second fixed link (14) outside (1401) respectively inside the first internal ratchet (1501) and the second limit plate (16) internal with the first limit plate (15) second Internal ratchet is mutually clamped between (1601), and the first internal ratchet (1501) and the second limit that the first limit plate (15) is internal Internal the second internal ratchet (1601) of plate (16) runs through the top of the first limit plate (15) and the second limit plate (16).
7. a kind of pneumatic drill support formula support device convenient for adjusting angle according to claim 1, it is characterised in that: institute It states and is mutually clamped between the inside of the first limit plate (15) and the second limit plate (16) and top attachment base (2), and the first limit The top of plate (15) and the second limit plate (16) passes through telescopic rod (26) respectively and is connected with the outer wall of top attachment base (2).
8. a kind of pneumatic drill support formula support device convenient for adjusting angle according to claim 2, it is characterised in that: institute It states and is mutually clamped between limited block (24) and external ratchet teeth (301), and limited block (24) and roll (22) and limited block (24) Between be magnetic connection, and the length of the distance between roll (22) and external ratchet teeth (301) top and limited block (24) It spends equal.
CN201910280393.9A 2019-04-09 2019-04-09 Rock drill air leg type supporting device convenient for angle adjustment Active CN109958397B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
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CN111623210A (en) * 2020-06-06 2020-09-04 台州市木落自动化科技有限公司 Rock drill mounting rack capable of rotating and adjusting angle
CN113027402A (en) * 2021-04-07 2021-06-25 孙淑芳 Oil well acidizing is separated stifled and is used crowded sour device
CN113323576A (en) * 2021-05-19 2021-08-31 安徽职业技术学院 Rock drill for construction with safety device
CN114753491A (en) * 2021-12-30 2022-07-15 南通中建工业设备集团有限公司 Reinforced steel structure mounted in multiple ways
CN115324619A (en) * 2022-10-18 2022-11-11 中铁十九局集团第三工程有限公司 Interim multi-angle strutting arrangement in tunnel

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CN115324619B (en) * 2022-10-18 2023-01-13 中铁十九局集团第三工程有限公司 Interim multi-angle strutting arrangement in tunnel

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