CN107558928A - A kind of boom device and drill jumbo - Google Patents
A kind of boom device and drill jumbo Download PDFInfo
- Publication number
- CN107558928A CN107558928A CN201710963424.1A CN201710963424A CN107558928A CN 107558928 A CN107558928 A CN 107558928A CN 201710963424 A CN201710963424 A CN 201710963424A CN 107558928 A CN107558928 A CN 107558928A
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- China
- Prior art keywords
- support set
- oil cylinder
- fixed arm
- boom device
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
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- Earth Drilling (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of boom device, including fixed arm and telescopic arm, the telescopic arm is slidably mounted at the fixed arm inner chamber, telescopic oil cylinder is provided between the fixed arm and the telescopic arm, the left pin-and-hole for facing arrangement and right pin-and-hole are provided with the fixed arm side wall, left support set is installed with the left pin-and-hole, right support set is installed with the right pin-and-hole, bearing pin is inserted between the left support set and right support set, the expansion link earrings of the telescopic oil cylinder is hinged on the bearing pin middle part, the expansion link earrings of the telescopic oil cylinder is arranged between the left support set and right support set, spacing between the left support set and right support set is more than the width of the telescopic oil cylinder expansion link earrings.Present invention also offers a kind of drill jumbo.The boom device can very easily realize the installation and adjustment between telescopic arm and fixed arm, effectively ensure the installation quality of boom device by its structure design.
Description
Technical field
The present invention relates to engineering machinery field, more specifically, more particularly to a kind of boom device and drill jumbo.
Background technology
Drill jumbo is also referred to as drilling jumbo, and drill jumbo is the chisel being commonly used in a kind of tunnel and underground engineering construction
Rock equipment, drill jumbo generally comprise drilling rod, boom device (support, positioning and the propulsive mechanism of rock drill), car body, vehicle with walking machine
Structure and other necessary auxiliary devices.When drill jumbo works, drilling rod acts under the control such as beater mechanism, rotating drill rod mechanism,
Drive bore bit ceaselessly to rotate, impact simultaneously, make bore bit according to the continuous impact rock of design requirement, while utilize mill exhauster structure row
Go out aggregate chips, it is very convenient quick so as to which blasthole can be dug into.In addition, drill jumbo can move and support more rock drilling simultaneously
Machine carries out the operation of multiple blastholes together, and therefore, drill jumbo is widely used in the drilling work of various holes.
For existing drill jumbo, its boom device is typically made up of fixed arm and telescopic arm, wherein, telescopic arm
It is slidably mounted inside fixed arm, oil cylinder is provided between fixed arm and telescopic arm, so as to provides power by the way that oil cylinder is flexible
Telescopic arm is driven in fixed arm internal slide.In conventional design, the cylinder seat of oil cylinder bottom is typically fixedly connected on telescopic arm, oil
Connected using integral type between expansion link and fixed arm at the top of cylinder, i.e., set at the top of the oil cylinder in the earrings mounting hole of expansion link
Expansion pin is put, expansion pin is fixed together with oil cylinder expansion link earrings mounting hole with interference fit, and the both ends of expansion pin are consolidated
Dingan County is in the side wall of fixed arm, so as to realize the formula connection that is fixed as one of oil cylinder, expansion pin, fixed arm three.Due to upper
Integral structure position up and down of telescopic oil cylinder if installing is stated to have determined that and can not go regulation again, it is therefore, right
Up and down direction status requirement of the telescopic arm in fixed arm is very strict, either telescopic arm and oil cylinder in itself between determine
, or the sliding block regulation support positioning between fixed arm and telescopic arm, require high precision and it is difficult to adjust in place, pole
The big quality for limiting boom device, while wasted time and energy in installing.
The content of the invention
For the technical problem to be solved in the present invention to provide a kind of boom device, the boom device passes through its structure design, energy
Enough installation and adjustment very easily realized between telescopic arm and fixed arm, effectively ensure the installation quality of boom device.
A kind of boom device, including fixed arm and telescopic arm, the telescopic arm are slidably mounted at the fixed arm inner chamber,
Telescopic oil cylinder is provided between the fixed arm and the telescopic arm, the left side for facing arrangement is provided with the fixed arm side wall
Pin-and-hole and right pin-and-hole, left support set is installed with the left pin-and-hole, right support set, institute are installed with the right pin-and-hole
State and be inserted with bearing pin between left support set and right support set, the expansion link earrings of the telescopic oil cylinder is hinged on the bearing pin
Middle part, the expansion link earrings of the telescopic oil cylinder are arranged between the left support set and right support set, the left branch
Spacing between support set and right support set is more than the width of the telescopic oil cylinder expansion link earrings.
Preferably, the left support set and right support set are molded with the fixed arm integral solder.
Preferably, left limit set, the right support set and the pin are provided between the left support set and the bearing pin
Right limit set is provided between axle.
Preferably, the endoporus of the left limit set and right limit set is mounting hole, and the big footpath of the mounting hole is in perpendicular
Nogata is to arrangement, and the big footpath value of the mounting hole is more than the external diameter value of the bearing pin.
Preferably, the left support set on the side of right support set facing external with being provided with cover plate.
Preferably, it is provided with connecting bolt between the cover plate and the fixed arm.
Present invention also offers a kind of drill jumbo, the arm support described in above-mentioned any one is installed on the drill jumbo
Device.
The beneficial effects of the invention are as follows：The invention provides a kind of detachable boom device, telescopic oil cylinder stretches
Bar earrings is hinged on bearing pin middle part, and the expansion link earrings of telescopic oil cylinder is arranged between left support set and right support set,
The spacing that left support is covered between right support set is more than the width of telescopic oil cylinder expansion link earrings, in this way, telescopic oil cylinder can edge
Bearing pin radial direction rotates up and down, and simultaneous retractable oil cylinder can be along the axis direction left and right adjusting of bearing pin, so as to which telescopic oil cylinder is pacified
It can also be adjusted after the completion of dress, the rigging error between adequate compensation telescopic arm and fixed arm, effectively ensure boom device
Installation quality.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of front view of boom device disclosed in the embodiment of the present invention；
Fig. 2 is a kind of top view of boom device disclosed in the embodiment of the present invention；
Fig. 3 is enlarged diagram at A-A in Fig. 1 disclosed in the embodiment of the present invention；
Fig. 4 is enlarged diagram at B-B in Fig. 2 disclosed in the embodiment of the present invention；
Fig. 5 is enlarged diagram at I in Fig. 4 disclosed in the embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.
Based on the embodiment in the application, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, it should all belong to the scope of the application protection.
In the description of the invention, it is to be understood that the orientation or position relationship of the instruction such as term "left", "right" are base
In orientation shown in the drawings or position relationship, description description of the invention and simplified, rather than instruction or hint are for only for ease of
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of invention.
Referring to Fig. 1 to Fig. 5, Fig. 1 to Fig. 5 provides a kind of specific embodiment of boom device of the present invention, wherein, Fig. 1 is
A kind of front view of boom device disclosed in the embodiment of the present invention；Fig. 2 is a kind of arm support dress disclosed in the embodiment of the present invention
The top view put；Fig. 3 is enlarged diagram at A-A in Fig. 1 disclosed in the embodiment of the present invention；Fig. 4 is institute of the embodiment of the present invention
Enlarged diagram at B-B in disclosed Fig. 2；Fig. 5 is enlarged diagram at I in Fig. 4 disclosed in the embodiment of the present invention.
As shown in Figures 1 to 5, the invention provides a kind of boom device, the assembly and disassembly process of the boom device are non-
It is often convenient, while can effectively ensure installation accuracy.The boom device includes fixed arm 1, telescopic arm 2, telescopic oil cylinder 3, left support
Set 4, right support set 5 and bearing pin 6.
In the present embodiment, the boom device includes fixed arm 1 and telescopic arm 2, and telescopic arm 2 is slidably mounted at fixed arm 1
Inner chamber, is provided with telescopic oil cylinder 3 between fixed arm 1 and telescopic arm 2, telescopic oil cylinder 3 is used for telescopic arm 2 in the inner chamber of fixed arm 1
Slip provide power.
The left pin-and-hole for facing arrangement and right pin-and-hole are provided with the side wall of fixed arm 1, left branch is installed with left pin-and-hole
Support set 4, right support set 5 is installed with right pin-and-hole, and left pin-and-hole is respectively used to left support set 4 and right support set 5 with right pin-and-hole
Installation.
Bearing pin 6 is inserted between left support set 4 and right support set 5, the expansion link earrings of telescopic oil cylinder 3 is hinged on bearing pin 6
Middle part.In this way, telescopic oil cylinder 3 can be that rotating shaft rotates along the radial direction of bearing pin 6 with the bearing pin 6, fixed arm 1 is made up with stretching
The error of above-below direction when arm 2 is installed.
The expansion link earrings of telescopic oil cylinder 3 is arranged between left support set 4 and right support set 5, left support set 4 and right support
Spacing between set 5 is more than the width of the expansion link earrings of telescopic oil cylinder 3.In this way, the expansion link earrings of telescopic oil cylinder 3 can be in left branch
Appropriate slip or vibration, telescopic oil cylinder 3 can be along the axis directions of bearing pin 6 in spacing range between support set 4 and right support set 5
Regulation, make up the error of left and right directions when fixed arm 1 and telescopic arm 2 are installed, as shown in figure 3, the expansion link earrings of telescopic oil cylinder 3 with
Between left support set 4, clearance C is then respectively arranged between the expansion link earrings of telescopic oil cylinder 3 and right support set 5.
Generally speaking, the invention provides a kind of detachable boom device, the expansion link earrings of telescopic oil cylinder 3 to be hinged
In the middle part of bearing pin 6, the expansion link earrings of telescopic oil cylinder 3 is arranged between left support set 4 and right support set 4, left support
Spacing between set 4 and right support set 5 is more than the width of the expansion link earrings of telescopic oil cylinder 3, in this way, telescopic oil cylinder 3 can be along pin
The radial direction of axle 6 rotates up and down, and simultaneous retractable oil cylinder 3 can be along the axis direction left and right adjusting of bearing pin 6, so as to telescopic oil cylinder 3
It can also be adjusted after installation, the rigging error between adequate compensation telescopic arm 2 and fixed arm 1, effectively ensure arm support
The installation quality of device.
It is excellent to further enhance the firmness between left support set 4 and right support set 5 and fixed arm 1 in the present embodiment
Selection of land, the left support set 4 and right support set 5 are molded with the integral solder of fixed arm 1.During specific installation, it is only necessary to
First bearing pin 6 is inserted out of left support set 4 or right support set 5, then passes through the expansion link earrings of telescopic oil cylinder 3, then from addition
Side support base passes.
It is the accuracy for further realizing center control when bearing pin 6 is installed, it is preferable that the left side in the present embodiment
Left limit set 7 is provided between support set 4 and the bearing pin 6, right limit is provided between the right support set 5 and the bearing pin 6
Position set 8.In general, between left limit set 7 and left support set 4 and it is generally interference between right limit set 8 and right support set 5 and matches somebody with somebody
Close, specifically, left limit set 7 or right limit set 8 on bolt or pressing plate can also be set, so as to limit left limit set 7 or
Right limit set 8 covers 5 inner rotations in left support set 4 or right support.
It is the regulation up and down for further realizing bearing pin 6 in the present embodiment, it is preferable that the left limit set 7 and the right limit
The endoporus of position set 8 is mounting hole, and the big footpath of the mounting hole is arranged in vertical direction, and the big footpath value of the mounting hole is more than institute
The external diameter value of bearing pin 6 is stated, in this way, the floating mount of bearing pin 6 is in the mounting hole, and because the big footpath of mounting hole is in vertical direction cloth
Put, therefore bearing pin 6 can float along the vertical direction.As shown in figure 5, mounting hole big footpath value is a, the external diameter value of bearing pin 6 is b, bearing pin 6
Floating mount is in above-mentioned mounting hole.
In the present embodiment, to realize the positioning at the both ends of bearing pin 6, while prevent external dust etc. from entering the inner chamber of fixed arm 1, it is excellent
Selection of land, the left support set 4 covers with the right support is provided with cover plate 9 on the side of 5 facing externals.
In the present embodiment, to further facilitate the installation of cover plate 9, it is preferable that between the cover plate 9 and the fixed arm 1
It is provided with connecting bolt 10.
Present invention also offers a kind of drill jumbo, the arm support described in above-mentioned any one is installed on the drill jumbo
Device.
A kind of boom device provided by the present invention and drill jumbo are described in detail above.It is used herein
Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this
The method and its core concept of invention.It should be pointed out that for those skilled in the art, this hair is not being departed from
On the premise of bright principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into power of the present invention
In the protection domain that profit requires.
Claims (7)
1. a kind of boom device, it is characterised in that including fixed arm and telescopic arm, the telescopic arm is slidably mounted at described solid
Fixed arm inner chamber, telescopic oil cylinder is provided between the fixed arm and the telescopic arm, is provided with the fixed arm side wall mutually just
To the left pin-and-hole of arrangement and right pin-and-hole, left support set is installed with the left pin-and-hole, is installed with the right pin-and-hole
Right support set, bearing pin, the expansion link earrings hinge of the telescopic oil cylinder are inserted between the left support set and right support set
The bearing pin middle part is connected on, the expansion link earrings of the telescopic oil cylinder is arranged at the left support set and covers it with the right support
Between, the spacing between the left support set and right support set is more than the width of the telescopic oil cylinder expansion link earrings.
2. boom device according to claim 1, it is characterised in that left support set and right support set with it is described
Fixed arm integral solder is molded.
3. boom device according to claim 1, it is characterised in that be provided between the left support set and the bearing pin
Left limit set, right limit set is provided between the right support set and the bearing pin.
4. boom device according to claim 3, it is characterised in that the endoporus of the left limit set and right limit set
For mounting hole, the big footpath of the mounting hole is arranged in vertical direction, and the big footpath value of the mounting hole is outer more than the bearing pin
Footpath is worth.
5. boom device according to claim 1, it is characterised in that the left support set faces out with the right support set
Cover plate is provided with the side in portion.
6. boom device according to claim 5, it is characterised in that the company of being provided between the cover plate and the fixed arm
Connecting bolt.
7. a kind of drill jumbo, it is characterised in that the claims 1 to claim 6 is provided with the drill jumbo and is appointed
Boom device described in meaning one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710963424.1A CN107558928B (en) | 2017-10-16 | 2017-10-16 | Cantilever crane device and drill jumbo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710963424.1A CN107558928B (en) | 2017-10-16 | 2017-10-16 | Cantilever crane device and drill jumbo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107558928A true CN107558928A (en) | 2018-01-09 |
| CN107558928B CN107558928B (en) | 2024-03-15 |
Family
ID=60986367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710963424.1A Active CN107558928B (en) | 2017-10-16 | 2017-10-16 | Cantilever crane device and drill jumbo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107558928B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756739A (en) * | 2018-06-04 | 2018-11-06 | 湖南五新隧道智能装备股份有限公司 | A kind of telescopic jib and drill jumbo |
| CN109732336A (en) * | 2018-11-29 | 2019-05-10 | 中国北方车辆研究所 | A kind of equipment adjustment method of telescoping cylinder hinge axis |
| CN115613966A (en) * | 2022-11-30 | 2023-01-17 | 湖南创远高新机械有限责任公司 | Drilling machine with tunneling and channeling functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005021927A1 (en) * | 2003-08-28 | 2005-03-10 | Rioli Medardo & C. S.N.C. | A drilling device with a telescopic arm |
| CN201291386Y (en) * | 2008-10-23 | 2009-08-19 | 安阳鑫盛机床股份有限公司 | Three-position oil cylinder apparatus |
| CN102935612A (en) * | 2012-11-27 | 2013-02-20 | 湖南通达汽车内饰有限责任公司 | Rotary grinding operating platform |
| CN103382811A (en) * | 2013-06-19 | 2013-11-06 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Rock drill telescopic arm and rock drill |
| CN203582336U (en) * | 2013-11-27 | 2014-05-07 | 中联重科股份有限公司 | Pin shaft mounting structure, single-cylinder bolt type telescopic boom and crane |
| US20170122301A1 (en) * | 2014-04-04 | 2017-05-04 | Howden Thomassen Compressors | Connecting rod with modified end |
| CN207332758U (en) * | 2017-10-16 | 2018-05-08 | 湖南五新隧道智能装备股份有限公司 | A kind of boom device and drill jumbo |
-
2017
- 2017-10-16 CN CN201710963424.1A patent/CN107558928B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005021927A1 (en) * | 2003-08-28 | 2005-03-10 | Rioli Medardo & C. S.N.C. | A drilling device with a telescopic arm |
| CN201291386Y (en) * | 2008-10-23 | 2009-08-19 | 安阳鑫盛机床股份有限公司 | Three-position oil cylinder apparatus |
| CN102935612A (en) * | 2012-11-27 | 2013-02-20 | 湖南通达汽车内饰有限责任公司 | Rotary grinding operating platform |
| CN103382811A (en) * | 2013-06-19 | 2013-11-06 | 阿特拉斯科普柯(南京)建筑矿山设备有限公司 | Rock drill telescopic arm and rock drill |
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| CN203582336U (en) * | 2013-11-27 | 2014-05-07 | 中联重科股份有限公司 | Pin shaft mounting structure, single-cylinder bolt type telescopic boom and crane |
| US20170122301A1 (en) * | 2014-04-04 | 2017-05-04 | Howden Thomassen Compressors | Connecting rod with modified end |
| CN207332758U (en) * | 2017-10-16 | 2018-05-08 | 湖南五新隧道智能装备股份有限公司 | A kind of boom device and drill jumbo |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756739A (en) * | 2018-06-04 | 2018-11-06 | 湖南五新隧道智能装备股份有限公司 | A kind of telescopic jib and drill jumbo |
| CN109732336A (en) * | 2018-11-29 | 2019-05-10 | 中国北方车辆研究所 | A kind of equipment adjustment method of telescoping cylinder hinge axis |
| CN115613966A (en) * | 2022-11-30 | 2023-01-17 | 湖南创远高新机械有限责任公司 | Drilling machine with tunneling and channeling functions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107558928B (en) | 2024-03-15 |
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