CN207829795U - A kind of hydraulic drill blank-run prevention system - Google Patents
A kind of hydraulic drill blank-run prevention system Download PDFInfo
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- CN207829795U CN207829795U CN201721793609.4U CN201721793609U CN207829795U CN 207829795 U CN207829795 U CN 207829795U CN 201721793609 U CN201721793609 U CN 201721793609U CN 207829795 U CN207829795 U CN 207829795U
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- upper shell
- hydraulic drill
- prevention system
- cylinder body
- valve pocket
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Abstract
The utility model discloses a kind of hydraulic drill blank-run prevention systems, including cylinder body, the piston of reciprocating motion is installed in cylinder body, being provided in cylinder body prevents piston from the empty buffer unit beaten occur, buffer unit includes that one end is closed upper shell, one end of upper shell and cylinder body is coaxially assembled, and leather bag is equipped on upper shell.The utility model is simple in structure, connection is reliable, convenient disassembly, it can effectively avoid rock drill sky from playing the appearance of phenomenon, extend the service life of hydraulic drill, reduce the labor intensity of operating personnel and the requirement to operating personnel's level of skill, rock drilling operating efficiency is improved, the cost that rock drilling is excavated is reduced.
Description
Technical field
The utility model is related to a kind of hydraulic drills, more particularly, to a kind of hydraulic drill blank-run prevention system.
Background technology
Blank-run prevention system is a kind of structural defence device in rock drill.In rock drilling excavation construction not due to operating mode
Together, complexity is very high when Specific construction, and the difference of especially strata structure hardness so that hydraulic drill is necessary before construction
Strata structure is analyzed, setting processing is carried out in the operating mode to drill jumbo.
Hydraulic drill vehicle can be divided into three percussion powers in operation process（It is high, medium and low）, not due to rock stratum distribution
Impartial reason, it is the phenomenon that often will appear piston idle stroke in hydraulic drill operation, i.e., empty to beat phenomenon, and this phenomenon
Be difficult to avoid that, while endangering also very big.
Experienced operation is either mainly leaned on by the buffer loop being arranged inside hydraulic drill under normal circumstances
Personnel manually control according to pressure gauge variation, and it is low that above two control mode is mainly characterized by control accuracy, response speed
Degree is slow, can not effectively avoid hydraulic drill sky from playing the appearance of phenomenon, influence the efficiency of rock drilling operation.
If this operating mode occurs often simultaneously, prodigious damage will produce for the internal element of rock drill, increase water
The maintenance cost and number for pressing rock drill, reduce the service life of hydraulic drill, increase the workload of operating personnel, make
Drilling cost is obtained to greatly increase.
Utility model content
The technical problems to be solved in the utility model is to overcome the above problem in the prior art, and providing one kind can be effective
Avoiding rock drill from occurring, the empty hydraulic drill for beating phenomenon is anti-to beat system with sky.
To solve the above-mentioned problems, the utility model uses following technical scheme：A kind of hydraulic drill blank-run prevention system
It unites, including cylinder body, the piston of reciprocating motion is installed in cylinder body, being provided in cylinder body prevents piston from the empty buffering dress beaten occur
It sets.
It is that the utility model advanced optimizes said program below：The buffer unit includes that one end is on closed
It coaxially assembles one end of shell, upper shell and cylinder body.
It advanced optimizes：Position in the cylinder body close to upper shell is provided with valve pocket, and the valve pocket passes through with upper shell
It is threadedly coupled, and offers the groove being used cooperatively with valve pocket in upper shell.
It advanced optimizes：It is equipped with the inner elements of check valve that can be moved back and forth in the valve pocket, is assembled on inner elements of check valve
There is the guide sleeve that can be moved back and forth.
It advanced optimizes：It is semicircular structure that be used cooperatively with inner elements of check valve and section is equipped in the upper shell
Leather bag.
It advanced optimizes：The boss being used cooperatively with groove is provided on the leather bag.
It advanced optimizes：Energy storage room is provided between the upper shell and leather bag, and the side of upper shell is equipped with and accumulation of energy
The upper shell air inlet that room communicates.
It advanced optimizes：It is provided with water storage cavity between the leather bag and valve pocket, is offered on valve pocket multiple with water storage cavity phase
Logical valve pocket water flowing circular hole.
It advanced optimizes：The spring that guide sleeve can be made to move is provided between the valve pocket and guide sleeve.
It advanced optimizes：It is trapezoidal that one end of the inner elements of check valve, which is bolted with guide sleeve can be pushed to move and section,
Check valve needle-valve top.
In use, staff is filled with the inert gas of 20MPa by upper shell air inlet into energy storage room, high pressure at this time
Air pressure contracting leather bag, leather bag act on inner elements of check valve, and inner elements of check valve acts on guide sleeve, and guide sleeve understands compressed spring, at this time
Spring is in compressive state, until inner elements of check valve closes valve pocket water flowing circular hole；
Then high pressure water can open check valve and be entered in water storage cavity by valve pocket water flowing circular hole, when hydraulic pressure and gas pressure
High pressure water stops entering water storage cavity after reaching balance；
Inner elements of check valve is contacted first in backward stroke of the piston, unidirectional valve assembly is pushed to move backward, at this time unidirectional valve assembly
It can be by the interception of high water pressure in leather bag, it is possible to prevente effectively from the possibility that piston is directly hit with valve core cavity wall.
The valve with corrosion-resistant, high intensity, high rigidity that the utility model makes by using Cr17Mn6Ni5N materials
Set, avoids and is chronically at liquid environment inside hydraulic drill, valve pocket is susceptible to the possibility got rusty, and can extend rock drill
Service life, while by be arranged leather bag and using screw thread compress fixed form, make the utility model it is simple in structure, connection
Reliably, convenient disassembly, while the fixation to leather bag can be reinforced, it is not easily to fall off, enhance the service life of leather bag, can ensure to dig
The stabilization of rock machine working condition, the utility model can effectively avoid rock drill sky from playing the appearance of phenomenon, extend hydraulic drill
Service life reduces the labor intensity of operating personnel and the requirement to operating personnel's level of skill, improves rock drilling operating efficiency, drop
The cost that low rock drilling is excavated.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model in embodiment；
Fig. 2 is the structural schematic diagram of the utility model inner elements of check valve in embodiment；
Fig. 3 be in Fig. 2 A-A to sectional view；
Fig. 4 is the structural schematic diagram of the utility model leather bag in embodiment；
Fig. 5 is the sectional view of Fig. 4.
In figure：1- springs；2- inner elements of check valve；3- guide sleeves；4- check valve needle-valves top；5- leather bags；6- upper shell air inlets
Mouthful；7- upper shells；8- valve pocket water flowing circular holes；9- water storage cavities；10- air storing cavities；11- cylinder bodies；12- pistons；13- grooves；14- is convex
Platform；15- valve pockets.
Specific implementation mode
Embodiment, as shown in Figures 1 to 5, a kind of hydraulic drill blank-run prevention system, including cylinder body 11, in cylinder body 11
The piston 12 of reciprocating motion is installed, being provided in cylinder body 11 prevents piston 12 from the empty buffer unit beaten occur.
The buffer unit includes that one end is closed upper shell 7, and upper shell 7 and one end of cylinder body 11 are coaxially assembled.
The position of upper shell 7 is provided with valve pocket 15 in the cylinder body 11, and the valve pocket 15 and 7 inside of upper shell are close
The position of cylinder body 11 is connected through a screw thread, and offers the groove 13 of loop configuration in upper shell 7 close to the position of valve pocket 15.
Coaxially be equipped with the inner elements of check valve 2 that can be moved back and forth in the valve pocket 15, inner elements of check valve 2 and valve pocket 15 it
Between close to the position of 15 one end of valve pocket be coaxially equipped with the guide sleeve 3 that can be moved back and forth, guide sleeve 3 is for limiting one-way valve
The direction of motion of core 2.
It is half to be equipped be used cooperatively with inner elements of check valve 2 and section close to the position of valve pocket 15 in the upper shell 7
The leather bag 5 of circular configuration.
The position of valve pocket 15 is provided with the convex of the loop configuration being used cooperatively with groove 13 in the outer circle of the leather bag 5
Boss 14 is pressed in groove 13 by platform 14, valve pocket 15 when being screwed on upper shell 7, and then realizes and leather bag 5 is fixed.
Energy storage room 10 is provided between the upper shell 7 and leather bag 5, and the side of upper shell 7 is equipped with and 10 phase of energy storage room
Logical upper shell air inlet 6, energy storage room 10 are filled with the inert gas of 20MPa by upper shell air inlet 6, and leather bag 5 is made to be compressed.
It is provided with water storage cavity 9 between the leather bag 5 and valve pocket 15, offers and multiple communicates with water storage cavity 9 on valve pocket 15
The cavity formed between water storage cavity 9 and valve pocket 15 and cylinder body 11 is connected to by valve pocket water flowing circular hole 8, multiple valve pocket water flowing circular holes 8.
It is provided with spring 1 between the one end of one end and guide sleeve 3 far from leather bag 5 far from leather bag 5 in the valve pocket 15, and
The spring 1 is sleeved on the excircle of inner elements of check valve 2, and spring 1 can push guide sleeve 3 to reset, and then make inner elements of check valve 2
Restore initial position.
The valve pocket 15 uses Cr17Mn6Ni5N material manufactures, can make that valve pocket 15 is corrosion-resistant, intensity is high, hardness in this way
It is high.
It is ladder to be bolted with guide sleeve 3 can be pushed to move and section close to one end of water storage cavity 9 on the inner elements of check valve 2
The check valve needle-valve top 4 of shape, the check valve needle-valve top 4 contact under the promotion of leather bag 5 with guide sleeve 3, and guide sleeve 3 is pushed to press
Contracting spring 1.
In use, staff is filled with the inert gas of 20MPa by upper shell air inlet 6 into energy storage room 10, at this time
High pressure gas compresses leather bag 5, and leather bag 5 acts on inner elements of check valve 2, and inner elements of check valve 2 acts on guide sleeve 3, and guide sleeve 3 can compress
Spring 1, at this time spring 1 be in compressive state, until inner elements of check valve 2 closes valve pocket water flowing circular hole 8；
Then high pressure water can open check valve 2 and be entered in water storage cavity 9 by valve pocket water flowing circular hole 8, when hydraulic pressure and gas
High pressure water stops entering water storage cavity 9 after pressure reaches balance；
It contacts inner elements of check valve 2 first in backward stroke of the piston, pushes unidirectional valve assembly to move backward, at this time unidirectional valve assembly
It can be by the interception of high water pressure in leather bag 5, it is possible to prevente effectively from the possibility that piston is directly hit with valve core cavity wall.
The valve with corrosion-resistant, high intensity, high rigidity that the utility model makes by using Cr17Mn6Ni5N materials
Set, avoids and is chronically at liquid environment inside hydraulic drill, valve pocket is susceptible to the possibility got rusty, and can extend rock drill
Service life, while by be arranged leather bag and using screw thread compress fixed form, make the utility model it is simple in structure, connection
Reliably, convenient disassembly, while the fixation to leather bag can be reinforced, it is not easily to fall off, enhance the service life of leather bag, can ensure to dig
The stabilization of rock machine working condition, the utility model can effectively avoid rock drill sky from playing the appearance of phenomenon, extend hydraulic drill
Service life reduces the labor intensity of operating personnel and the requirement to operating personnel's level of skill, improves rock drilling operating efficiency, drop
The cost that low rock drilling is excavated.
For the ordinary skill in the art, introduction according to the present utility model is not departing from the utility model
Principle with spirit in the case of, the changes, modifications, replacement and the deformation that are carried out to embodiment still fall within the utility model
Within protection domain.
Claims (9)
1. a kind of hydraulic drill blank-run prevention system, including cylinder body（11）, cylinder body（11）The piston of reciprocating motion is inside installed
（12）, it is characterised in that：Cylinder body（11）Inside being provided with prevents piston（12）There is the empty buffer unit beaten, buffer unit includes one
End is closed upper shell（7）, upper shell（7）With cylinder body（11）One end coaxially assemble, upper shell（7）On leather bag is installed
（5）.
2. a kind of hydraulic drill blank-run prevention system according to claim 1, it is characterised in that：The cylinder body（11）It is interior
Close to upper shell（7）Position be provided with valve pocket（15）, and the valve pocket（15）With upper shell（7）It is connected through a screw thread, and on
Shell（7）It inside offers and valve pocket（15）The groove being used cooperatively（13）.
3. a kind of hydraulic drill blank-run prevention system according to claim 2, it is characterised in that：The valve pocket（15）It is interior
It is equipped with the inner elements of check valve that can be moved back and forth（2）, inner elements of check valve（2）On be equipped with the guide sleeve that can be moved back and forth
（3）.
4. a kind of hydraulic drill blank-run prevention system according to claim 3, it is characterised in that：The leather bag（5）Peace
Load onto shell（7）Interior and inner elements of check valve（2）It is used cooperatively, and section is semicircle.
5. a kind of hydraulic drill blank-run prevention system according to claim 4, it is characterised in that：The leather bag（5）On
It is provided with and groove（13）The boss being used cooperatively（14）.
6. a kind of hydraulic drill blank-run prevention system according to claim 5, it is characterised in that：The upper shell（7）
With leather bag（5）Between be provided with energy storage room（10）, and upper shell（7）Side be equipped with and energy storage room（10）The upper shell communicated into
Gas port（6）.
7. a kind of hydraulic drill blank-run prevention system according to claim 6, it is characterised in that：The leather bag（5）With
Valve pocket（15）Between be provided with water storage cavity（9）, valve pocket（15）On offer multiple and water storage cavity（9）The valve pocket water flowing circular hole communicated
（8）.
8. a kind of hydraulic drill blank-run prevention system according to claim 7, it is characterised in that：The valve pocket（15）With
Guide sleeve（3）Between be provided with and can make guide sleeve（3）Mobile spring（1）.
9. a kind of hydraulic drill blank-run prevention system according to claim 8, it is characterised in that：The inner elements of check valve
（2）One end be bolted with and can push guide sleeve（3）Mobile and section is trapezoidal check valve needle-valve top（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793609.4U CN207829795U (en) | 2017-12-20 | 2017-12-20 | A kind of hydraulic drill blank-run prevention system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793609.4U CN207829795U (en) | 2017-12-20 | 2017-12-20 | A kind of hydraulic drill blank-run prevention system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207829795U true CN207829795U (en) | 2018-09-07 |
Family
ID=63388112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721793609.4U Active CN207829795U (en) | 2017-12-20 | 2017-12-20 | A kind of hydraulic drill blank-run prevention system |
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|---|---|
| CN (1) | CN207829795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236833A (en) * | 2019-12-31 | 2020-06-05 | 山东天瑞重工有限公司 | Hydraulic rock drill air-blast proof buffering system |
-
2017
- 2017-12-20 CN CN201721793609.4U patent/CN207829795U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236833A (en) * | 2019-12-31 | 2020-06-05 | 山东天瑞重工有限公司 | Hydraulic rock drill air-blast proof buffering system |
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