CN206419015U - Drill boom telescoping mechanism - Google Patents
Drill boom telescoping mechanism Download PDFInfo
- Publication number
- CN206419015U CN206419015U CN201621427425.1U CN201621427425U CN206419015U CN 206419015 U CN206419015 U CN 206419015U CN 201621427425 U CN201621427425 U CN 201621427425U CN 206419015 U CN206419015 U CN 206419015U
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- CN
- China
- Prior art keywords
- guide pin
- pin bushing
- telescoping tube
- drill boom
- long
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- 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.)
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Abstract
A kind of drill boom telescoping mechanism, including telescoping tube, in addition to guide pin bushing, 3 long keys, 6 panels, 3 pieces of bearing shells and telescopic hydraulic cylinder, telescoping tube is circular telescoping tube, guide pin bushing inwall be provided with a plurality of oil groove and 3 uniform keyways, flexible tube outer surface be laid with 3 respectively with guide pin bushing（2）3 uniform keyways on inwall are corresponding and long keyway of equal angular, multiple screwed holes are provided with each long keyway, in 3 uniform keyways, 3 long key both sides are each provided with two panels, between guide pin bushing and telescoping tube, 1 piece of bearing shell is provided between adjacent two panel per two neighboring long key, the middle part circumference of guide pin bushing is provided with multiple oil filler points, guide pin bushing is connected by bolt with the exntension tubs of rig drill boom frame, the piston rod of telescopic hydraulic cylinder is hingedly connected on rig drill boom bearing, and the front end of telescoping tube is provided with terminal pad.Its advantage is that guide frame is easily worked, machining accuracy high, and guiding clearance is small, precision is high, without vibration during work, favorable working performance.
Description
Technical field
The utility model is related to a kind of drill boom telescoping mechanism, is mainly used in the large, medium and small type rock gangway in mine and tunneling
The remote controlled automatic hydraulic pressure of blasthole tunnels the flexible of drill carriage drill boom.
Background technology
At present, both at home and abroad for the large, medium and small type rock gangway in mine and the hydraulic drill rig drill boom telescoping mechanism of tunneling blasthole
All it is that retractor device is constituted by square telescoping tube, the device guiding block difficulty of processing is big, guiding clearance is big, and precision is not high.
Utility model content
The purpose of this utility model is：A kind of drill boom telescoping mechanism is designed, the drill boom telescoping mechanism, guide frame easily adds
Work, machining accuracy are high, and guiding clearance is small, precision is high, favorable working performance, to overcome the deficiencies in the prior art.
The purpose of this utility model can be realized by following technical proposals：
This drill boom telescoping mechanism, including telescoping tube, it is characterized in that：Also include guide pin bushing, 3 long keys, 6 panels, 3 pieces of bearing shells
And telescopic hydraulic cylinder, described telescoping tube is circular telescoping tube, and the front-end and back-end of the guide pin bushing are respectively fixed with guide pin bushing front end
Lid and rear end of conducting sleeve lid, a plurality of oil groove and 3 uniform keyways are provided with guide pin bushing inwall, in flexible tube outer surface, are laid
Have in 3 long keyway corresponding and equal angular with 3 uniform keyways on the inwall of guide pin bushing 2 respectively, each long keyway and be provided with
Multiple screwed holes, each excessively multiple bolts of long push-to and multiple screwed holes are fixed in each long keyway, and guide pin bushing is sleeved on
On telescoping tube 1, and it is connected by 3 uniform keyways and 3 long keys with telescoping tube, in 3 uniform keyways, 3 long key two
Side is each provided with two panels, between guide pin bushing and telescoping tube, and 1 piece is provided between adjacent two panel per two neighboring long key
Bearing shell, the middle part circumference of guide pin bushing is provided with multiple oil filler points, and guide pin bushing is connected by bolt with the exntension tubs of rig drill boom frame
Connect, telescopic hydraulic cylinder cylinder body is loaded in telescoping tube, and is connected by the front end cover bolt of its cylinder body with the rear end of telescoping tube,
The piston rod of telescopic hydraulic cylinder is hingedly connected on rig drill boom bearing, and the front end of telescoping tube is provided with terminal pad.
The middle part of the utility model guide pin bushing is altogether provided with 3 oil filler points.
3 oil filler points of the present utility model on the middle part circumference of guide pin bushing, rotate counterclockwise respectively
On 0 °, 90 ° and 180 ° direction.
The a plurality of oil groove that guide pin bushing inwall of the present utility model is provided with is a plurality of left-handed oil groove and dextrorotation oil groove.
The utility model has the advantages that：1）The guide groove of the drill boom telescoping mechanism reasonable in design, telescoping tube and guide pin bushing
Machining accuracy is high, and is easily worked；2）Telescoping tube is coordinated with guide pin bushing by long key, and gap is small, and guiding accuracy is high so that drill carriage
Bore, positioning precision of punchinging it is high；3）Without vibration during work, favorable working performance.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is Fig. 1 line A-A sectional view；
Fig. 3 is removed after guide pin bushing drive end bearing bracket and rear end of conducting sleeve lid, the front view structure partial sectional view of guide pin bushing.
Embodiment
As Figure 1-3, this drill boom telescoping mechanism, including telescoping tube 1, it is characterized in that：Also include guide pin bushing 2,3 long key 4,
6 panels 5,3 pieces of bearing shells 3 and telescopic hydraulic cylinder 8, described telescoping tube 1 are circular telescoping tube, and the front end of the guide pin bushing 2 is with after
End is respectively fixed with guide pin bushing drive end bearing bracket 15 and rear end of conducting sleeve lid 16, and a plurality of oil groove and 3 uniformly distributed keys are provided with the inwall of guide pin bushing 2
Groove 9, in the outer surface of telescoping tube 1, is laid with 3 and same angulars corresponding with 3 uniform keyways 9 on the inwall of guide pin bushing 2 respectively
Multiple screwed holes 11 are provided with the long keyway 10 of degree, each long keyway 10, each long key 4 passes through multiple bolts and multiple screwed holes
11 are fixed in each long keyway 10, and guide pin bushing 2 is sleeved on telescoping tube 1, and pass through 3 uniform keyways 9 and 3 long key 4
It is connected with telescoping tube 1, in 3 uniform keyways 9, the 3 long both sides of key 4 are each provided with two panels 5, in guide pin bushing 2 and flexible
Between pipe 1, it is provided between adjacent two panel 5 per two neighboring long key 4 on 1 piece of bearing shell 3, the middle part circumference of guide pin bushing 2
Provided with multiple oil filler points 12, guide pin bushing 2 is connected by bolt with the exntension tubs of rig drill boom frame, and the cylinder body of telescopic hydraulic cylinder 8 is loaded on
In telescoping tube 1, and it is connected by the drive end bearing bracket 7 of its cylinder body with bolt with the rear end of telescoping tube 1, the piston of telescopic hydraulic cylinder 8
Bar 6 is hingedly connected on rig drill boom bearing, and the front end of telescoping tube 1 is provided with terminal pad 17.
As shown in Figure 2,3, the middle part of guide pin bushing 2 is altogether provided with 3 oil filler points 12.3 oil filler points 12 are located at guide pin bushing 2 respectively
Middle part circumference on, on 0 °, the 90 ° and 180 ° direction rotated counterclockwise.
As shown in figure 3, a plurality of oil groove that the inwall of guide pin bushing 2 is provided with is a plurality of left-handed oil groove 13 and dextrorotation oil groove 14.
This drill boom telescoping mechanism operation principle is：To during 8 cylinder body rodless cavity oil-feed of telescopic hydraulic cylinder, because of telescopic hydraulic cylinder 8
Piston rod 6 is fixed, and the cylinder body of telescopic hydraulic cylinder 8 is moved to the opposite direction of piston rod 6, promotes telescoping tube 1 to fortune in front of rig drill boom
It is dynamic, drive whole drill boom to extend forward.To during 8 cylinder body rod chamber oil-feed of telescopic hydraulic cylinder, because the piston rod 8 of contracting hydraulic cylinder 8 is fixed,
Pull telescoping tube 1 to be moved to rig drill boom rear, drive whole drill boom to after-contraction.
When this drill boom telescoping mechanism is moved, each panel 5 is contacted with adjacent bearing shell 3 respectively, if some panel 5 and bearing shell 3
It should be changed in time after abrasion, it is to avoid telescoping tube 1 weares and teares.Oil filler point on the middle part circumference of guide pin bushing 2 is added after lubricating oil, profit
Inner chamber of the lubricating oil fat full of guide pin bushing 2 with telescoping tube 1, so as to play a part of lubrication.The terminal pad 17 of the front end of telescoping tube 1 is used to connect
Connect the movable devices such as forward beam.
Claims (4)
1. a kind of drill boom telescoping mechanism, including telescoping tube（1）, it is characterized in that：Also include guide pin bushing（2）, 3 long keys（4）, 6 edges
Bar（5）, 3 pieces of bearing shells（3）And telescopic hydraulic cylinder（8）, described telescoping tube（1）For circular telescoping tube, the guide pin bushing（2）Front end
Guide pin bushing drive end bearing bracket is respectively fixed with rear end（15）With rear end of conducting sleeve lid（16）, in guide pin bushing（2）Inwall provided with a plurality of oil groove with
And 3 uniform keyways（9）, in telescoping tube（1）Outer surface, be laid with 3 respectively with guide pin bushing（2）3 uniformly distributed keys on inwall
Groove（9）Corresponding and equal angular long keyway（10）, each long keyway（10）In be provided with multiple screwed holes（11）, Mei Gechang
Key（4）Pass through multiple bolts and multiple screwed holes（11）It is fixed on each long keyway（10）It is interior, guide pin bushing（2）It is sleeved on flexible
Pipe（1）On, and pass through 3 uniform keyways（9）And 3 long keys（4）With telescoping tube（1）It is connected, in 3 uniform keyways（9）It is interior,
3 long keys（4）Both sides are each provided with two panels（5）, in guide pin bushing（2）And telescoping tube（1）Between, per two neighboring long key（4）
Adjacent two panel（5）Between be provided with 1 piece of bearing shell（3）, guide pin bushing（2）Middle part circumference be provided with multiple oil filler points
（12）, guide pin bushing（2）It is connected by bolt with the exntension tubs of rig drill boom frame, telescopic hydraulic cylinder（8）Cylinder body is loaded on telescoping tube（1）
It is interior, and the drive end bearing bracket for passing through its cylinder body（7）With bolt and telescoping tube（1）Rear end be connected, telescopic hydraulic cylinder（8）Piston rod
（6）It is hingedly connected on rig drill boom bearing, telescoping tube（1）Front end be provided with terminal pad（17）.
2. drill boom telescoping mechanism according to claim 1, it is characterized in that：Guide pin bushing（2）Middle part altogether provided with 3 oilings
Hole（12）.
3. drill boom telescoping mechanism according to claim 2, it is characterized in that：3 oil filler points（12）It is located at guide pin bushing respectively（2）'s
On the circumference of middle part, on 0 °, the 90 ° and 180 ° direction rotated counterclockwise.
4. drill boom telescoping mechanism according to claim 1 or 2, it is characterized in that：Guide pin bushing（2）The a plurality of oil groove that inwall is provided with
For a plurality of left-handed oil groove（13）And dextrorotation oil groove（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427425.1U CN206419015U (en) | 2016-12-24 | 2016-12-24 | Drill boom telescoping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427425.1U CN206419015U (en) | 2016-12-24 | 2016-12-24 | Drill boom telescoping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206419015U true CN206419015U (en) | 2017-08-18 |
Family
ID=59576095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621427425.1U Active CN206419015U (en) | 2016-12-24 | 2016-12-24 | Drill boom telescoping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206419015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113479797A (en) * | 2021-07-07 | 2021-10-08 | 安徽佳乐建设机械有限公司 | High-precision positioning circular telescopic arm structure for engineering machinery |
| WO2022093480A3 (en) * | 2020-10-01 | 2022-10-06 | Joy Global Underground Mining Llc | Bolter |
-
2016
- 2016-12-24 CN CN201621427425.1U patent/CN206419015U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022093480A3 (en) * | 2020-10-01 | 2022-10-06 | Joy Global Underground Mining Llc | Bolter |
| US11725514B2 (en) | 2020-10-01 | 2023-08-15 | Joy Global Underground Mining Llc | Bolter |
| US11781430B2 (en) | 2020-10-01 | 2023-10-10 | Joy Global Underground Mining Llc | Bolter |
| CN113479797A (en) * | 2021-07-07 | 2021-10-08 | 安徽佳乐建设机械有限公司 | High-precision positioning circular telescopic arm structure for engineering machinery |
| CN113479797B (en) * | 2021-07-07 | 2022-12-27 | 安徽佳乐建设机械有限公司 | Circular telescopic arm structure of high accuracy location for engineering machine tool |
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