CN207701073U - A kind of drill jumbo lengthening push rod - Google Patents
A kind of drill jumbo lengthening push rod Download PDFInfo
- Publication number
- CN207701073U CN207701073U CN201721871811.4U CN201721871811U CN207701073U CN 207701073 U CN207701073 U CN 207701073U CN 201721871811 U CN201721871811 U CN 201721871811U CN 207701073 U CN207701073 U CN 207701073U
- Authority
- CN
- China
- Prior art keywords
- secondary bar
- stress
- bar body
- matrix
- stress axis
- 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.)
- Withdrawn - After Issue
Links
- 239000011159 matrix material Substances 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of drill jumboes to lengthen push rod, belongs to engineering machinery field, including main rod body, secondary bar body, stress axis and lock nut, it is characterised in that：The main rod body includes main rod body matrix and male end；The secondary bar body includes secondary bar body matrix and female end, it is provided with stress shaft mounting hole in the secondary bar body matrix, it is equipped with concentrated stress when can reduce the work of stress axis in the stress shaft mounting hole to improve the cambered surface of its service life, anti-rotation groove when assembly lengthens push rod for reinforcing is equipped on the outside of the secondary bar body matrix；The stress axis includes external screw thread and stress axis matrix, and the male threaded end is equipped with chamfering a, and the stress axis matrix is equipped with below chamfering b, the chamfering b far from externally threaded end and is provided with pin hole, and main rod body is connected through a screw thread with secondary bar body and is relatively fixed；Stress axis is inserted into the hole of secondary bar body, the two interference fit；Lock nut is connected through a screw thread with stress axis, is relatively fixed.
Description
Technical field
The utility model belongs to engineering machinery field, and in particular to a kind of drill jumbo lengthening push rod.
Background technology
Drill jumbo lengthens push rod main rod body with stress axis since section differs larger at this stage, although being heat treatment of the same race
Technique is processed, but after final molding, and the material mechanical mechanical property of stress axis will be less than the material mechanical mechanical property of main rod body,
This affects the service life harmony for lengthening push rod entirety.In boring procedure, stress bearing carry more energetically, periodic impact,
Under twisting action, stress axis is easy in the fracture of root being connect with main rod body.After stress axle fracture, lengthens push rod and integrally can
It scraps, causes great waste.Based on the above issues, it is necessary to it is whole to lengthen push rod to invent a kind of drill jumbo lengthening push rod
The harmony of body life time reduces use cost.
Invention content
To solve the above problems, the utility model provides a kind of drill jumbo lengthening push rod.
The utility model is achieved by the following technical solution：A kind of drill jumbo lengthening push rod, including main rod body, it is secondary
The body of rod, stress axis and lock nut, the main rod body include main rod body matrix and male end；The secondary bar body includes secondary bar
Body matrix and female end are provided with stress shaft mounting hole in the secondary bar body matrix, and being equipped in the stress shaft mounting hole can drop
Concentrated stress when low stress axis work is equipped with assembly to improve the cambered surface of its service life, on the outside of the secondary bar body matrix and adds
For the anti-rotation groove of reinforcing when long push rod；The stress axis includes external screw thread and stress axis matrix, and the male threaded end is set
There are chamfering a, the stress axis matrix to be equipped with below chamfering b, the chamfering b far from externally threaded end and be provided with pin hole, main rod body
It is connected through a screw thread and is relatively fixed with secondary bar body；Stress axis is inserted into the hole of secondary bar body, the two interference fit；Lock nut and stress
Axis is connected through a screw thread, and is relatively fixed.The number of equally distributed anti-rotation groove is 4 on the outside of the female end.
The beneficial effects of the utility model：The utility model can effectively lengthen the harmony of push rod bulk life time, make
With that if stress axle fracture, stress axis can be removed in the process, it is changed to new stress axis, then entirely lengthens push rod and still may be used
With normal use, use cost is reduced.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the internal structure schematic diagram of Fig. 1；
Fig. 3 is main rod body structural schematic diagram；
It is secondary bar body structural schematic diagram with 4；
Fig. 5 is stress axle construction schematic diagram；
Fig. 6 is the internal structure schematic diagram of Fig. 4.
In figure：1, main rod body, 2, secondary bar body, 3, stress axis, 4, lock nut, 1-1, main rod body matrix, 1-2, external screw thread
3-1, end, 2-1, secondary bar body matrix, 2-2, female end, 2-3, stress shaft mounting hole, 2-4, cambered surface, 2-5, anti-rotation groove fall
Angle a, 3-2, chamfering b, 3-3, pin hole, 3-4, external screw thread, 3-5, stress axis matrix.
Specific implementation mode：A kind of drill jumbo lengthening push rod, including main rod body 1, secondary bar body 2, stress axis 3 and locking
Nut 4, main rod body 1 include main rod body matrix 1-1 and male end 1-2；Secondary bar body includes secondary bar body matrix 2-1 and female end
Stress shaft mounting hole 2-3 is provided in 2-2, secondary bar body matrix 2-1, the work of stress axis 3 can be reduced by being equipped in stress shaft mounting hole 2-3
When concentrated stress be equipped with when assembly lengthens push rod and use to improve the cambered surface 2-4 of its service life, on the outside of secondary bar body matrix 2-1
In the anti-rotation groove 2-5 of reinforcing；Stress axis 3 includes that external screw thread 3-4 and the ends stress axis matrix 3-5, external screw thread 3-4 are equipped with chamfering
The end of a3-1, stress axis matrix 3-5 far from external screw thread 3-4 is equipped with chamfering b3-2, and pin hole 3-3 is provided with below chamfering b3-2, main
The body of rod 1 is connected through a screw thread with secondary bar body 2 and is relatively fixed；Stress axis 3 is inserted into the hole of secondary bar body 2, the two interference fit；It is latched spiral shell
Mother 4 is connected through a screw thread with stress axis 3, is relatively fixed.The number of equally distributed anti-rotation groove 2-5 on the outside of female end 2-2
It is 4.
When assembly lengthens push rod, it is aided with tool and blocks anti-rotation groove 2-5, secondary bar body 2 is revolved and to main rod body 1 up to cannot
Until rotation, by the chamfering a3-1 of stress axis 3, it is inserted into stress shaft mounting hole 2-3, is aided with tool and taps chamfering b3-2, until striking
It hits until stress axis 3 cannot be gone successively to, at this moment the end face of the chamfering a3-1 of stress axis 3 and the end face of male end 1-2 are pasted
It closes.Main rod body 1 is detached with secondary bar body 2, by lock nut 4 and external screw thread 3-4 rotation and to cannot continue rotation and until, then weigh
Newly by main rod body 1 and secondary bar body 2 revolve and to cannot revolve and until, entirely lengthen push rod completion at this time.
After stress axis 3 is broken, main rod body 1 is detached with secondary bar body 2, lock nut 4 is detached with external screw thread 3-4, it is auxiliary
Stress axis 3 is replaced in the end face that chamfering a3-1 is tapped with tool until stress axis 3 is detached with secondary bar body 2, by lengthening push rod
Installation step is restored to lengthen push rod.
The utility model can effectively lengthen the harmony of push rod bulk life time, in use if stress axis is disconnected
It splits, then stress axis can be removed, be changed to new stress axis, then entirely lengthen push rod and still can be used normally, reducing makes
Use cost.
Claims (2)
1. a kind of drill jumbo lengthens push rod, including main rod body（1）, secondary bar body（2）, stress axis（3）And lock nut（4）,
It is characterized in that：The main rod body（1）Including main rod body matrix（1-1）And male end（1-2）；The secondary bar body includes secondary bar
Body matrix（2-1）And female end（2-2）, the secondary bar body matrix（2-1）Inside it is provided with stress shaft mounting hole（2-3）, it is described by
Power shaft mounting hole（2-3）Interior be equipped with can reduce stress axis（3）Concentrated stress when work is to improve the cambered surface of its service life
（2-4）, the secondary bar body matrix（2-1）Outside is equipped with the anti-rotation groove for reinforcing when assembly lengthens push rod（2-5）；It is described by
Power axis（3）Including external screw thread（3-4）With stress axis matrix（3-5）, the external screw thread（3-4）End is equipped with chamfering a（3-1）, institute
State stress axis matrix（3-5）Far from external screw thread（3-4）End be equipped with chamfering b（3-2）, the chamfering b（3-2）Lower section is provided with pin
Hole（3-3）, main rod body（1）With secondary bar body（2）It is connected through a screw thread and is relatively fixed；Stress axis（3）It is inserted into secondary bar body（2）Hole,
The two is interference fitted；Lock nut（4）With stress axis（3）It is connected through a screw thread, is relatively fixed.
2. a kind of drill jumbo according to claim 1 lengthens push rod, it is characterised in that：The female end（2-2）Outside
The equally distributed anti-rotation groove in side（2-5）Number be 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871811.4U CN207701073U (en) | 2017-12-28 | 2017-12-28 | A kind of drill jumbo lengthening push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721871811.4U CN207701073U (en) | 2017-12-28 | 2017-12-28 | A kind of drill jumbo lengthening push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701073U true CN207701073U (en) | 2018-08-07 |
Family
ID=63029646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721871811.4U Withdrawn - After Issue CN207701073U (en) | 2017-12-28 | 2017-12-28 | A kind of drill jumbo lengthening push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939287A (en) * | 2017-12-28 | 2018-04-20 | 徐州徐工铁路装备有限公司 | A kind of drill jumbo lengthens push rod |
-
2017
- 2017-12-28 CN CN201721871811.4U patent/CN207701073U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939287A (en) * | 2017-12-28 | 2018-04-20 | 徐州徐工铁路装备有限公司 | A kind of drill jumbo lengthens push rod |
| CN107939287B (en) * | 2017-12-28 | 2023-11-10 | 徐州徐工铁路装备有限公司 | Lengthened push rod of drilling trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180807 Effective date of abandoning: 20231110 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180807 Effective date of abandoning: 20231110 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |