CN209556932U - A kind of rotary digging enters rock hammering drill bit - Google Patents
A kind of rotary digging enters rock hammering drill bit Download PDFInfo
- Publication number
- CN209556932U CN209556932U CN201920050296.6U CN201920050296U CN209556932U CN 209556932 U CN209556932 U CN 209556932U CN 201920050296 U CN201920050296 U CN 201920050296U CN 209556932 U CN209556932 U CN 209556932U
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- extension arm
- drilling rod
- drill bit
- position block
- sliding
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Abstract
The utility model relates to a kind of rotary diggings to enter rock hammering drill bit, belong to bit technique field, including the shell along short transverse, it is arranged driving drilling rod inside the shell, the extension arm of driving drilling rod bottom end is set, extension arm is set and drives the limit assembly between drilling rod, driving assembly between extension arm and shell is set, the drill body of extension arm bottom end is set, driving assembly includes the upper limit position block and lower position block for being installed in housing interior side-wall, support rod between upper limit position block and lower position block is set, the curve annular groove for moving back and forth extension arm while rotation along short transverse is formed between upper limit position block and lower position block, support rod is installed on the outer peripheral surface of extension arm.The rotary digging enters rock hammering drill bit, and extension arm moves back and forth while driving drill body rotation along short transverse, and drill body is made to carry out impact failure to the rock stratum of bottom, improves the efficiency that drill body enters rock drilling.
Description
Technical field
The utility model relates to bit technique field, in particular to a kind of rotary digging enters rock hammering drill bit.
Background technique
When pile foundation engineering, it is often required that stake holes creeps into rock stratum.Existing boring method is three-stage play, i.e., will
Hole is divided into three sections along its length and carries out drilling construction respectively.Churning driven is the weight construction of pore-forming operation in pile foundation engineering
Machinery, the drill bit of rotary drilling rig are the important composition component of rotary drilling rig, including single head single-screw, double end double helix, embedding rock cylinder
Bore etc..Churning driven in the prior art in operation, due between drilling rod and drill body without exciting device, in formation hardness and
When intensity is larger, drilling efficiency is lower.
Utility model content
The purpose of this utility model is to provide a kind of rotary diggings to enter rock hammering drill bit, edge while due to extension arm rotation
Short transverse moves back and forth, and extension arm moves back and forth while driving drill body rotation along short transverse, and makes drill bit sheet
Body gives basal bed impact force, and drill body is made to carry out impact failure to the rock stratum of bottom, improves drill body and enters rock brill
The efficiency in hole, and improve the practicability that rotary digging enters rock hammering drill bit.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of rotary digging enters rock hammering drill bit, including along short transverse shell, be arranged inside the shell and along short transverse
Driving drilling rod, the extension arm that driving drilling rod bottom end is arranged in and is overlapped with its axis, setting are in extension arm and driving drilling rod
Between and for make extension arm and drive drilling rod rotate synchronously limit assembly, be arranged in extension arm outer peripheral surface and shell
Between side wall and for make extension arm while rotation along short transverse move back and forth driving assembly, be arranged in extension arm
Bottom end and the drill body being overlapped with its axis, the bottom end of the extension arm are run through the bottom end of shell and are connected with its sliding,
The drill body is located at outer side of shell, and the drill body is removably mounted at the bottom end of extension arm, the driving component
Including be installed in housing interior side-wall along short transverse interval and be set in extension arm outer peripheral surface upper limit position block and lower position block,
Be arranged between upper limit position block and lower position block and the support rod of circular in cross-section, the upper limit position block and lower position block and
Extension arm sliding connection, being formed between the upper limit position block and lower position block makes extension arm while rotation along short transverse
The curve annular groove of reciprocating movement, the one end of the support rod along its length is installed on the outer peripheral surface of extension arm, and institute
State the axis of support rod and the axis vertical coplanar of extension bar.
By using above-mentioned technical proposal, enter rock hammering drill bit in rotary digging in use, driving drilling rod rotates, and passes through limit
Component drives extension arm rotation, and extension arm drives support rod rotation, support rod shape between upper limit position block and lower position block
At curve annular groove in rotate, at this time support rod under the action of upper limit position block and lower position block along short transverse move back and forth,
It is moved back and forth while realizing extension arm rotation along short transverse, edge while extension arm drives drill body rotation
Short transverse moves back and forth, and drill body carries out impact failure to the rock stratum of bottom while drilling to rock stratum, improves
Drill body enters the efficiency of rock drilling, and improves the practicability that rotary digging enters rock hammering drill bit.
The utility model is further arranged to: the top of the extension arm offers sliding compatible with driving drilling rod
Groove, the limit assembly include multiple gag lever posts that driving drilling rod outer peripheral surface is installed in along driving drilling rod circumferential direction interval,
The sliding recess offers limit sliding chutes compatible with gag lever post along its length.
By using above-mentioned technical proposal, drilling rod bottom end is driven to be located in sliding recess, and extension arm can be along height
Direction move back and forth, gag lever post is located in limiting groove, and plays the role of limit to extension arm, thus make drive drilling rod with
Extension arm rotates synchronously, and back and forth moves while to realize extension arm and driving drilling rod synchronous rotation along short transverse
It is dynamic.
The utility model is further arranged to: the top of the extension arm is installed with to be slided for preventing driving drilling rod to be detached from
Dynamic groove and the limit annulus for being set in driving drilling rod outer peripheral surface.
By using above-mentioned technical proposal, driving drilling rod is prevented to be detached from out of sliding recess, improves driving drilling rod, lengthens
The stability that drilling rod uses.
The utility model is further arranged to: being provided between the extension arm and driving drilling rod and is bored for reinforcing lengthening
The firm component of bar stability in use.
By using above-mentioned technical proposal, make extension arm using more stable.
The utility model is further arranged to: the firm component includes the upper limit for being installed in driving drilling rod outer peripheral surface
Plate, the lower limiting board for being installed in extension arm outer peripheral surface are installed with the first compression bullet between the upper limit plate and lower limiting board
Spring.
By using above-mentioned technical proposal, the first compressed spring applies active force to extension arm by lower limiting board, adds
Long drill pipe applies active force to lower position block by support rod, prevents rotary digging from entering rock hammering drill bit when in use, due to drill bit sheet
Body stress and reduce drill body to the impact force of rock stratum, to improve the stability that extension arm uses, and then improve
Rotary digging enters the stability that rock hammering drill bit uses.
The utility model is further arranged to: the top of the drill body is installed with installation in top end opening and hollow
Sleeve, the extension arm bottom end is installed with mounting blocks compatible with installation sleeve, between the mounting blocks and installation sleeve
It is arranged at intervals with the fixation kit that both at least two realizations are detachably connected.
By using above-mentioned technical proposal, it is detachably connected between installation sleeve and mounting blocks by fixation kit, thus
It realizes being detachably connected for drill body and extension arm, keeps the installation of drill body more convenient, more stable.
The utility model is further arranged to: the fixation kit includes the sliding bar of right angle setting block side wall, is opened in
Mounting blocks side wall and sliding groove compatible with sliding bar, one end of the sliding bar is in sliding groove, other end position
In outside sliding groove, the sliding bar is installed with retention bead in the one end being located in sliding groove, and the sliding groove is opened
Mouth end is installed with spacing block set compatible with retention bead, is provided with second between the sliding groove inner bottom surface and sliding bar
Compressed spring, the installation sleeve side wall offer clamping through-hole compatible with sliding bar.
By using above-mentioned technical proposal, when fixation kit is in stationary state, the second compressed spring is in compression shape
State, retention bead and spacing block set are inconsistent, and the one end of sliding bar far from the second compressed spring is logical through the clamping of installation sleeve
Hole is located at outside installation sleeve, to realize the fixation of installation sleeve and mounting blocks, keeps the installation and removal of drill body more convenient.
The utility model is further arranged to: the lateral wall of the installation sleeve is provided with for preventing sliding bar card
Protective plate firmly, the protective plate include bending direction be directed toward sliding bar arc panel, two be installed in respectively arc panel circumferential direction
The mounting plate at direction both ends, the axis horizontal of the arc panel and is vertically arranged, the installation sleeve with the axis of extension arm
Lateral wall offer installation groove compatible with mounting plate, the mounting plate is removably mounted at installation by fixing bolt
In groove.
By using above-mentioned technical proposal, arc panel plays the role of protection to sliding bar, enters rock hammering taking out rotation tower
It when drill bit, prevents the case where being blocked at sliding bar, while mounting plate is located in installation groove, improving protective plate makes
Stability.
The utility model is further arranged to: the junction of the mounting plate and arc panel is arranged in rounded corner.
By using above-mentioned technical proposal, the safety of protective plate is not only increased, and further improves protective plate
Protective action.
The utility model is further arranged to: allow compatible with the nuts of fixing bolt is offered on the mounting plate
Position groove.
By using above-mentioned technical proposal, the nuts of fixing bolt is located in resigning groove, prevents from entering in taking-up rotation tower
When rock hammers drill bit, the case where being blocked at fixing bolt, improves rotary digging and enter the stability that rock hammering drill bit uses.
In conclusion the utility model has the following beneficial effects:
1, the rotary digging of the utility model enters rock hammering drill bit, back and forth moves while due to extension arm rotation along short transverse
Dynamic, extension arm moves back and forth while driving drill body rotation along short transverse, and drill body is made to give rock stratum impact
Power makes drill body carry out impact failure to the rock stratum of bottom, improves drill body and enters the efficiency of rock drilling, and improves
Rotary digging enters the practicability of rock hammering drill bit.
2, it by the way that firm component is arranged between extension arm and driving drilling rod, prevents rotary digging from entering rock hammering drill bit and is using
When, drill body is reduced to the impact force of rock stratum due to drill body stress, to improve the stabilization that extension arm uses
Property, and then improve rotary digging and enter the stability that rock hammering drill bit uses.
3, extension arm bottom end be arranged mounting blocks, drill body top be arranged installation sleeve, installation sleeve and
Mounting blocks realize being detachably connected for the two by fixation kit, so that drill body is removably mounted on extension arm,
The installation of drill body is more convenient, more stable.
4, protective plate is arranged by the lateral wall in installation sleeve, plays the role of protection to sliding bar, revolve tower taking out
Enter rock hammering drill bit when, prevent the case where blocking at sliding bar, improve rotation tower enter rock hammering drill bit use it is steady
It is qualitative.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the partial sectional view in embodiment in order to indicate interior of shell structure；
Fig. 3 is the part perspective view of the explosion in embodiment in order to indicate limit assembly；
Fig. 4 is the structural schematic diagram in embodiment in order to indicate gag lever post；
Fig. 5 is the partial sectional view in embodiment in order to indicate driving assembly；
Fig. 6 is the partial sectional view in embodiment in order to indicate fixation kit；
Fig. 7 is the portion the A enlarged drawing in convex 6.
In figure, 1, shell；11, outer cover body；12, shell is driven；13, reinforcement block；2, drilling rod is driven；3, extension arm；
31, mounting blocks；311, groove is slid；312, spacing block set；32, sliding recess；33, limit sliding chutes；4, limit assembly；41, it limits
Position bar；42, annulus is limited；43, clamping screw；5, driving assembly；51, upper limit position block；52, lower position block；53, curve annular groove；
54, support rod；6, component is consolidated；61, upper limit plate；62, lower limiting board；63, the first compressed spring；7, drill body；71, pacify
It is sleeved；8, fixation kit；81, sliding bar；811, retention bead；82, the second compressed spring；91, protective plate；911, arc
Plate；912, mounting plate；9121, resigning groove；92, fixing bolt.
Specific embodiment
The utility model is described in further detail below in conjunction with drawings and examples.
A kind of rotary digging enters rock hammering drill bit, and as depicted in figs. 1 and 2, including shell 1, shell 1 are arranged along short transverse.Outside
The driving drilling rod 2 along short transverse is provided in shell 1, the bottom end of driving drilling rod 2 is provided with extension arm 3, and extension arm 3 is along height
Direction setting is spent, the axis of extension arm 3 and the axis of driving drilling rod 2 are overlapped.As shown in connection with fig. 3, the top of extension arm 3 is opened
Equipped with sliding recess 32 compatible with driving drilling rod 2, the bottom end of driving drilling rod 2 is slided in sliding recess 32.And it lengthens and bores
The top of bar 3 and the bottom end of driving drilling rod 2 are provided with the limit assembly for making extension arm 3 and drilling rod 2 being driven to rotate synchronously
4.Along short transverse while being provided between 1 inner sidewall of outer peripheral surface and shell of extension arm 3 for making the rotation of extension arm 3
The driving assembly 5 of reciprocating movement is provided with for reinforcing adding between the outer peripheral surface of extension arm 3 and the outer peripheral surface for driving drilling rod 2
The firm component 6 of 3 stability in use of long drill pipe.
As depicted in figs. 1 and 2, the bottom end of extension arm 3 is run through the bottom end of shell 1 and is slid with the bottom end of shell 1 and connects.
The bottom end of extension arm 3 is provided with drill body 7, and drill body 7 is arranged along short transverse.The top of drill body 7 is installed with
Installation sleeve 71, installation sleeve 71 is in top end opening and hollow cuboid-type is arranged.It is arranged in installation sleeve 71 and its phase
The mounting blocks 31 of adaptation, one end of mounting blocks 31 is located in installation sleeve 71, the other end is located at outside installation sleeve 71, and mounting blocks
31 are fixedly connected on the bottom end of extension arm 3 in the one end being located at outside installation sleeve 71.Between mounting blocks 31 and installation sleeve 71
It is provided with the fixation kit 8 being detachably connected for realizing the two.The quantity of fixation kit 8 is set as four, four fixed groups
Part 8 and four side walls of installation sleeve 71 correspond.
As shown in Fig. 2, shell 1 includes outer cover body 11, the cross section of outer cover body 11 is arranged in circular ring shape, outer cover body
11 bottom end, which extends, is installed with driving shell 12, and the axis of the axis and outer cover body 11 that drive shell 12 is overlapped, and is driven outer
The diameter of shell 12 is gradually reduced downwards along short transverse, i.e. the cross section of driving shell 12 is arranged in circular ring shape, drives shell 12
Longitudinal section in fan annular setting.The bottom end of extension arm 3, which is run through driving 12 bottom end of shell and slid with it, to be connect.In order to improve
The intensity of shell 12 is driven, drives and is provided between the inner sidewall of shell 121 and the outer peripheral surface of extension arm 3 and driving shell 12
Compatible reinforcement block 13, reinforcement block 13 is along one circle of driving 1 circumferential direction of shell setting.Reinforcement block 13 and driving shell 12 are fixed
Connection, reinforcement block 13 and the sliding connection of extension arm 3.
As shown in Figure 3 and Figure 4, limit assembly 4 includes multiple gag lever posts being uniformly arranged along driving 2 circumferential direction of drilling rod
41, gag lever post 41 is arranged along short transverse, and the cross section of gag lever post 41 is square, and gag lever post 41 is fixedly connected on driving drilling rod
On the outer peripheral surface of 2 bottom ends.The top of extension arm 3 is in offering limit sliding chutes compatible with gag lever post 41 in sliding recess 32
33, limit sliding chutes 33 are arranged along short transverse.The top of extension arm 3 is provided with the limit for being set in driving 2 outer peripheral surface of drilling rod
The top surface of annulus 42, the bottom surface and extension arm 3 that limit annulus 42 is inconsistent, and it is fixed by clamping screw 43 to limit annulus 42
It is mounted on extension arm 3.
As shown in figure 5, driving assembly 5 includes the upper limit for being installed in 1 inner sidewall of shell and being set in 3 outer peripheral surface of extension arm
Position block 51, the lower position block 52 that is installed in 1 inner sidewall of shell and is set in 3 outer peripheral surface of extension arm.Upper limit position block 51, lower limit
Block 52 along 1 circumferential direction of shell setting one circle, upper limit position block 51, lower position block 52 outer peripheral surface be fixedly connected in shell 1
On side wall, upper limit position block 51, lower position block 52 and the sliding connection of extension arm 3.It is formed between upper limit position block 51, lower position block 52
Make curve annular groove 53 of the extension arm 3 while rotation along short transverse reciprocating movement, is provided with and its phase in curve annular groove 53
The support rod 54 of adaptation, the circular in cross-section setting of support rod 54, and the axis of the axis of support rod 54 and extension arm 3 hangs down
It is straight coplanar, and the one end of support rod 54 along its length is fixedly connected on the outer peripheral surface of extension arm 3, the other end is hanging.
As shown in Figure 3 and Figure 5, component 6 is consolidated to include the upper limit plate 61 for being installed in driving 2 outer peripheral surface of drilling rod, be installed in
The lower limiting board 62 of 3 outer peripheral surface of extension arm.Upper limit plate 61, lower limiting board 62 are arranged in circular ring shape, upper limit plate 61
The equal axis coincidence with driving drilling rod 2 of axis of axis, lower limiting board 62.Lower limiting board 62 is located at the lower section of upper limit plate 61,
The first pressure for being installed between lower limiting board 62 and upper limit plate 61 and being sheathed on 3 outer peripheral surface of extension arm, drive 2 outer peripheral surface of drilling rod
Contracting spring 63.
As shown in Figure 6 and Figure 7, fixation kit 8 includes sliding bar 81 in the horizontal direction, and the cross section of sliding bar 81 is in circle
Shape setting, and 81 right angle setting sleeve of sliding bar, 71 side wall is arranged.The side wall of mounting blocks 31 is offered to be adapted with sliding bar 81
Sliding groove 311.One end of sliding bar 81 is located in sliding groove 311, the other end is located at outside sliding groove 311.Sliding bar
81 outer peripheral surface in the one end being located in sliding groove 311 is installed with matched retention bead 811, slides groove 311
Open end inner sidewall be installed with for prevent sliding bar 81 be detached from out of sliding groove 311 and with 811 phase of retention bead it is suitable
The spacing block set 312 matched.Sliding bar 81 is fixed between the one end being located in sliding groove 311 and sliding 311 inner bottom surface of groove
There is the second compressed spring 82.The side wall of installation sleeve 71 offers clamping through-hole compatible with sliding bar 81.
When fixation kit 8 is in stationary state, the second compressed spring 82 is in compressive state, retention bead 811 and limit
Position convex block 312 is inconsistent, and the one end of sliding bar 81 far from the second compressed spring 82 is located at through the clamping through-hole of installation sleeve 71
Outside installation sleeve 71, to realize the fixation of installation sleeve 71 and mounting blocks 31, keep the installation and removal of drill body 7 more square
Just.
As shown in Figure 6 and Figure 7, when taking out rotation tower and entering rock hammering drill bit, occur blocking in order to prevent at sliding bar 81
It happens.The lateral wall of installation sleeve 71 is provided with protective plate 91.Protective plate 91 include arc panel 911, arc panel 911 it is curved
Qu Fangxiang is arranged towards sliding bar 81, and sliding bar 81 is located in arc panel 911.The axis of arc panel 911 and the axis of sliding bar 81
Line is vertical, and the axis of arc panel 911 is horizontally disposed.Outer peripheral surface of the arc panel 911 along the both ends of its circumferential direction is distinguished
It is installed with mounting plate 912, the junction of mounting plate 912 and arc panel 911 is arranged in rounded corner.The lateral wall of installation sleeve 71 is opened
Equipped with installation groove compatible with mounting plate 912, mounting plate 912 is located in installation groove.Mounting plate 912 and installation sleeve 71
Between be provided with fixing bolt 92 for fixed mounting plate 912, the screw rod of fixing bolt 92 is recessed through mounting plate 912, installation
It slot and is threadedly coupled respectively with it.912 side of mounting plate offers resigning groove compatible with the nuts of fixing bolt 92
9121, the nuts of fixing bolt 92 is located in resigning groove 9121.
Enter rock hammering drill bit in rotary digging in use, driving drilling rod 2 rotates, and drives 3 turns of extension arm by limit assembly 4
Dynamic, extension arm 3 drives support rod 54 to rotate, the curve ring that support rod 54 is formed between upper limit position block 51 and lower position block 52
Rotation in slot 53, support rod 54 moves back and forth under the action of upper limit position block 51 and lower position block 52 along short transverse at this time, i.e.,
It realizes while extension arm 3 rotates and is moved back and forth along short transverse, while extension arm 3 drives drill body 7 to rotate
It is moved back and forth along short transverse, drill body 7 carries out impact failure to the rock stratum of bottom while drilling to rock stratum, mentions
High drill body 7 enters the efficiency of rock drilling, and improves the practicability that rotary digging enters rock hammering drill bit.Protective plate 91 is right simultaneously
Sliding bar 81 plays the role of protection, when taking-up rotation tower enters rock hammering drill bit, prevents the case where blocking at sliding bar 81
Occur, and mounting plate 912 is located in installation groove, the nuts of fixing bolt 92 is located in resigning groove 9121, improves
The stability that protective plate 91 uses.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of rotary digging enters rock hammering drill bit, it is characterised in that: including along short transverse shell (1), be set in shell (1)
And along the driving drilling rod (2) of short transverse, setting driving drilling rod (2) bottom end and with its axis be overlapped extension arm (3), set
Set the limit between extension arm (3) and driving drilling rod (2) and for making extension arm (3) and drilling rod (2) being driven to rotate synchronously
Hyte part (4) is arranged between extension arm (3) outer peripheral surface and shell (1) inner sidewall and for rotating extension arm (3)
Simultaneously along short transverse move back and forth driving assembly (5), setting extension arm (3) bottom end and with its axis be overlapped drill bit
Ontology (7), the bottom end of the extension arm (3) are run through the bottom end of shell (1) and are connected with its sliding, the drill body (7)
On the outside of shell (1), the drill body (7) is removably mounted at the bottom end of extension arm (3), the driving component (5)
Including being installed in shell (1) inner sidewall along short transverse interval and being set in the upper limit position block (51) of extension arm (3) outer peripheral surface
And lower position block (52), it is arranged between upper limit position block (51) and lower position block (52) and the support rod of circular in cross-section
(54), the upper limit position block (51) and lower position block (52) are connected with extension arm (3) sliding, the upper limit position block (51) and
The curve annular groove (53) for moving back and forth extension arm (3) while rotation along short transverse is formed between lower position block (52),
The one end of the support rod (54) along its length is installed on the outer peripheral surface of extension arm (3), and the support rod (54)
Axis and extension bar axis vertical coplanar.
2. a kind of rotary digging according to claim 1 enters rock hammering drill bit, it is characterised in that: the top of the extension arm (3)
End offers the compatible sliding recess (32) with driving drilling rod (2), and the limit assembly (4) includes multiple along driving drilling rod
(2) circumferential direction interval is installed in the gag lever post (41) of driving drilling rod (2) outer peripheral surface, and the sliding recess (32) is square along its length
To offer with gag lever post (41) compatible limit sliding chutes (33).
3. a kind of rotary digging according to claim 2 enters rock hammering drill bit, it is characterised in that: the top of the extension arm (3)
End is installed with drives the limit of drilling rod (2) outer peripheral surface round for preventing driving drilling rod (2) to be detached from sliding recess (32) and be set in
Ring (42).
4. a kind of rotary digging according to claim 1 enters rock hammering drill bit, it is characterised in that: the extension arm (3) and drive
The firm component (6) for reinforcing extension arm (3) stability in use is provided between dynamic drilling rod (2).
5. a kind of rotary digging according to claim 4 enters rock hammering drill bit, it is characterised in that: the firm component (6) includes
It is installed in the upper limit plate (61) of driving drilling rod (2) outer peripheral surface, is installed in the lower limiting board (62) of extension arm (3) outer peripheral surface,
The first compressed spring (63) are installed between the upper limit plate (61) and lower limiting board (62).
6. a kind of rotary digging according to claim 1 enters rock hammering drill bit, it is characterised in that: the top of the drill body (7)
End is installed with installation sleeve (71) in top end opening and hollow, and extension arm (3) bottom end is installed with and installation sleeve
(71) compatible mounting blocks (31) are arranged at intervals at least two realizations between the mounting blocks (31) and installation sleeve (71)
The fixation kit (8) that the two is detachably connected.
7. a kind of rotary digging according to claim 6 enters rock hammering drill bit, it is characterised in that: the fixation kit (8) includes
The sliding bar (81) of right angle setting block (31) side wall is opened in mounting blocks (31) side wall and the compatible sliding with sliding bar (81)
Groove (311), one end of the sliding bar (81) is located in sliding groove (311), the other end is located at sliding groove (311) outside,
The sliding bar (81) is installed with retention bead (811) in the one end being located in sliding groove (311), the sliding groove
(311) open end is installed with and retention bead (811) compatible spacing block set (312), the interior bottom of the sliding groove (311)
It is provided between face and sliding bar (81) the second compressed spring (82), installation sleeve (71) side wall offers and sliding bar
(81) compatible clamping through-hole.
8. a kind of rotary digging according to claim 7 enters rock hammering drill bit, it is characterised in that: outside the installation sleeve (71)
Side wall is provided with the protective plate (91) for preventing sliding bar (81) from occurring blocking, and the protective plate (91) includes that bending direction refers to
Arc panel (911), two mounting plates (912) for being installed in arc panel (911) circumferential direction both ends respectively to sliding bar (81),
It the axis horizontal of the arc panel (911) and is vertically arranged with the axis of extension arm (3), the outside of the installation sleeve (71)
Wall, which is offered, is detachably pacified with mounting plate (912) compatible installation groove, the mounting plate (912) by fixing bolt (92)
In installation groove.
9. a kind of rotary digging according to claim 8 enters rock hammering drill bit, it is characterised in that: the mounting plate (912) and arc
The junction of shape plate (911) is arranged in rounded corner.
10. a kind of rotary digging according to claim 8 enters rock hammering drill bit, it is characterised in that: opened on the mounting plate (912)
Equipped with resigning groove (9121) compatible with the nuts of fixing bolt (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050296.6U CN209556932U (en) | 2019-01-11 | 2019-01-11 | A kind of rotary digging enters rock hammering drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050296.6U CN209556932U (en) | 2019-01-11 | 2019-01-11 | A kind of rotary digging enters rock hammering drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209556932U true CN209556932U (en) | 2019-10-29 |
Family
ID=68306122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920050296.6U Active CN209556932U (en) | 2019-01-11 | 2019-01-11 | A kind of rotary digging enters rock hammering drill bit |
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| Country | Link |
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| CN (1) | CN209556932U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112487A (en) * | 2020-09-16 | 2020-12-22 | 广东电网有限责任公司梅州供电局 | Electric energy meter seal opener |
| CN112502693A (en) * | 2020-12-10 | 2021-03-16 | 中国科学院武汉岩土力学研究所 | Many cameras rock mass structure drilling rod of making a video recording |
| CN115370294A (en) * | 2022-10-26 | 2022-11-22 | 西安尔吉环保科技有限公司 | Road construction drilling equipment |
-
2019
- 2019-01-11 CN CN201920050296.6U patent/CN209556932U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112487A (en) * | 2020-09-16 | 2020-12-22 | 广东电网有限责任公司梅州供电局 | Electric energy meter seal opener |
| CN112502693A (en) * | 2020-12-10 | 2021-03-16 | 中国科学院武汉岩土力学研究所 | Many cameras rock mass structure drilling rod of making a video recording |
| CN115370294A (en) * | 2022-10-26 | 2022-11-22 | 西安尔吉环保科技有限公司 | Road construction drilling equipment |
| CN115370294B (en) * | 2022-10-26 | 2023-01-31 | 西安尔吉环保科技有限公司 | Road construction drilling equipment |
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