CN206346729U - Rock drill automatic rollback control system - Google Patents
Rock drill automatic rollback control system Download PDFInfo
- Publication number
- CN206346729U CN206346729U CN201621447108.6U CN201621447108U CN206346729U CN 206346729 U CN206346729 U CN 206346729U CN 201621447108 U CN201621447108 U CN 201621447108U CN 206346729 U CN206346729 U CN 206346729U
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- valve
- control
- rock drill
- automatic rollback
- hydraulic control
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Abstract
The utility model is related to a kind of rock drill automatic rollback control system, comprising：Electrical system, hydraulic control handle, control valve block, promotion oil cylinder, pressure switch one, fuel tank, control valve block include automatic rollback control valve group, hydraulic control proportional multi-way valve, overflow valve, choke valve, stroke control valve；Described automatic rollback control valve group includes reversing solenoid valve group and pressure switch two；When rock drill advances to the top of forward beam, stroke valve is touched, pressure switch is acted and sends signal, rock drill, which is automatically stopped, drills and back to specified location, in fallback procedures, is readvanced if desired for rock drill, then only needs operation handle again.The forward beam that the utility model is caused when can avoid rock drill drilling to forward beam top is damaged and the sky of rock drill beats phenomenon, and can guarantee that rock drill is in controllable state, easy to operate, safe and reliable, efficiency high in automatic rollback.
Description
Technical field
The utility model is related to rock drill technical field of hydraulic, is related to a kind of rock drill automatic rollback control system,
Cause forward beam to damage when avoiding rock drill drilling to forward beam top and beat phenomenon with rock drill sky, while also can guarantee that rock drill
Operable state is in automatic rollback.
Background technology
Current rock drilling machine is widely used in beating in terms of anchor pole, blasthole, geologic prediction, to the control system of rock drill
Towards intellectuality, hommization, automation direction development.When rock drill advances to the top of forward beam, the work of drilling of rock drill
It is over, if now operator judges inaccurate or negligence at work, forward beam is made in rock drill
While into impact failure, rock drill also occurs that sky beats phenomenon, and this is by serious damage rock drill interior fittings and drilling rod, brill
First-class part, and then influence duration increase construction cost；And current rock drill automatic rollback Control System Design is cumbersome, operation
, there is many unreasonable parts in complexity.
The content of the invention
For deficiency of the prior art, the utility model provides a kind of rock drill automatic rollback control system, realizes certainly
Dynamic control rock drill, automatic rollback when making it advance to forward beam top, reduces the damage to rock drill, increases the service life,
Construction cost is reduced, simple to operate, efficiency high is safe and reliable.
According to design provided by the utility model, a kind of rock drill automatic rollback control system includes electric system
System, hydraulic control handle, control valve block, promotion oil cylinder, pressure switch one, fuel tank, control valve block, pressure switch one are respectively with being electrically
Signal of uniting is connected, and control valve block includes automatic rollback control valve group, hydraulic control proportional multi-way valve, overflow valve, choke valve, Stroke Control
Valve；Described automatic rollback control valve group includes reversing solenoid valve group and pressure switch two；The oil circuit one of hydraulic control handle is by changing
It is connected to solenoid valve block with one end of control oil circuit one of hydraulic control proportional multi-way valve, the oil circuit two-way excess pressure switch two of hydraulic control handle
It is connected with one end of control oil circuit two of hydraulic control proportional multi-way valve, the other end of control oil circuit one of hydraulic control proportional multi-way valve is with promoting oil
The rod chamber connection of cylinder, the control other end of oil circuit two of hydraulic control proportional multi-way valve and the rodless cavity of propelling cylinder are connected；Choke valve
It is connected on the control oil circuit two between rodless cavity and hydraulic control proportional multi-way valve, overflow valve is in parallel with rodless cavity.
Above-mentioned, reversing solenoid valve group includes magnetic valve one, magnetic valve two, and magnetic valve one is connected on hydraulic control proportional multi-way valve
The one end of control oil circuit one, magnetic valve two is connected in parallel on one end of control oil circuit one of hydraulic control proportional multi-way valve.
Above-mentioned, described overflow valve is remote control overflow valve.
Above-mentioned, described stroke control valve is 2/2-way structure.
It is preferred that, described stroke control valve one end is connected with rodless cavity, and the other end is by damping one end and pressure switch
One connection, the damping other end is connected by return line with fuel tank.
It is preferred that, described stroke control valve has been internally integrated check valve.
The beneficial effects of the utility model：
1st, the utility model is simple in construction, compact, novel in design, reasonable, solves rock drill back off procedure in the prior art
In easily cause the phenomenons such as parts damages, pass through electrical system, hydraulic control handle, control valve block, promote oil cylinder, pressure switch one, oil
The mating reaction of case, control valve block includes automatic rollback control valve group, hydraulic control proportional multi-way valve, overflow valve, choke valve, stroke control
Valve processed, automatic rollback control valve group includes reversing solenoid valve group and pressure switch two, and realization automatically controls rock drill, it is advanced
To automatic rollback during forward beam top, the damage to rock drill is reduced, extends its service life, it is ensured that construction period, reduction is applied
Work cost.
2nd, the utility model realizes that rock drill retracts by automatic control mode, while can in rock drill back off procedure
Realize and continue to manipulate its advance, and be unlikely to be at runaway condition；Simple to operate, the work for reducing operator is strong
Degree, improves rock penetration performance, the service life of rock drill is effectively ensured.
Brief description of the drawings：
Fig. 1 is hydraulic schematic of the present utility model；
Fig. 2 is one of view in embodiment；
Fig. 3 is two of the view in embodiment.
Embodiment：
Label in figure, 1- hydraulic control handles；2- automatic rollback control valve groups；3- hydraulic control proportional multi-way valves；4- overflow valves；5- is saved
Flow valve；6- propelling cylinders；7- stroke control valves；8- pressure switches one；9- is damped；A, b represent the and of hydraulic control handle oil circuit one respectively
The corresponding operative position of oil circuit two；Label c, d represent magnetic valve one, magnetic valve two respectively；Label e represents pressure switch two.
The utility model is described in further detail with technical scheme below in conjunction with the accompanying drawings, and passes through preferred implementation
Example describes embodiment of the present utility model in detail, but embodiment of the present utility model is not limited to this.
Embodiment one, referring to shown in Fig. 1 ~ 3, a kind of rock drill automatic rollback control system includes electrical system, hydraulic control hand
Handle, control valve block, promotion oil cylinder, pressure switch one, fuel tank, control valve block, pressure switch one connect with electrical system signal respectively
Connect, control valve block includes automatic rollback control valve group, hydraulic control proportional multi-way valve, overflow valve, choke valve, stroke control valve；It is described
Automatic rollback control valve group include reversing solenoid valve group and pressure switch two；The oil circuit one of hydraulic control handle passes through reversing solenoid valve
Group is connected with one end of control oil circuit one of hydraulic control proportional multi-way valve, oil circuit two-way excess pressure switch two and the hydraulic control ratio of hydraulic control handle
The one end of control oil circuit two connection of example banked direction control valves, the control other end of oil circuit one of hydraulic control proportional multi-way valve and propelling cylinder have bar
Chamber is connected, and the control other end of oil circuit two of hydraulic control proportional multi-way valve and the rodless cavity of propelling cylinder are connected；Choke valve is connected on nothing
On control oil circuit two between rod cavity and hydraulic control proportional multi-way valve, overflow valve is in parallel with rodless cavity.Hydraulic control proportional multi-way valve is changed
To the control oil control by hydraulic control handle, its aperture and the proportional pressure relation of control oil；Choke valve is used for adjusting propulsion oil
The speed that cylinder stretches out, solves to easily cause the phenomenons such as parts damages in rock drill back off procedure in the prior art, realization is automatically controlled
Rock drill, automatic rollback when making it advance to forward beam top reduces the damage to rock drill, extends its service life, it is ensured that
Construction period, reduces construction cost.
Above-mentioned, reversing solenoid valve group includes magnetic valve one, magnetic valve two, and magnetic valve one is connected on hydraulic control proportional multi-way valve
The one end of control oil circuit one, magnetic valve two is connected in parallel on one end of control oil circuit one of hydraulic control proportional multi-way valve.Two magnetic valves are not
When obtaining electric, one is in normal open position, a position in normal off；Two magnetic valves can after pressure switch signal is received
Act simultaneously.
Above-mentioned, described overflow valve is remote control overflow valve.Overflow valve is arranged on the operating desk of driver's cabin, can be with
Propelling pressure of the remote adjustment propelling cylinder during stretching.
Above-mentioned, described stroke control valve is 2/2-way structure.
It is preferred that, described stroke control valve one end is connected with rodless cavity, and the other end is by damping one end and pressure switch
One connection, the damping other end is connected by return line with fuel tank.
It is preferred that, described stroke control valve has been internally integrated check valve.The normal position of stroke valve be in block state, when by
To oil liquid pressure effect when can quickly switch spool position, be at connected state.
Implement process：Referring to shown in Fig. 1 ~ 3：
Fig. 1 is that hydraulic control handle is in middle position, rock drill control principle drawing at forward beam bottom；Fig. 2 is operation hydraulic control hand
After handle, rock drill control principle drawing in traveling process；Fig. 3 is that rock drill is touched after stroke valve, is controlled during automatic rollback process
Schematic diagram.
In Fig. 2, operation hydraulic control handle 1 is at b, and control oil acts on the upside of proportional multi-way valve 3, promotes valve element
Move down, then hydraulic oil just enters the rodless cavity of propelling cylinder 6 via banked direction control valves 3 in working connection, and then promotes to extension
Go out, rock drill is just advanced to the top of forward beam and moved.
When rock drill, which advances to the top of forward beam, i.e. propelling cylinder 6, to be reached close to its extreme position, in such as Fig. 3
Shown, the touching stroke valve 7 of propelling cylinder 6 causes stroke valve 7 to commutate, and the fluid into the rodless cavity of propelling cylinder 6 will be with pressure
Switch 8 is connected.Pressure switch 8 sends signal after reaching that it sets pressure to hydraulic control handle 1 so that during hydraulic control handle 1 is returned to
Position；Also into automatic rollback valve group 2, magnetic valve c, d send signal to pressure switch 8 while signal is sent to hydraulic control handle 1,
So that magnetic valve c, d electromagnet obtain electric, magnetic valve c, d commutation.Control oil is promoted via magnetic valve d on the valve element of banked direction control valves 3
Move, working connection just enters the rod chamber of propelling cylinder 6, and then causes rock drill automatic rollback under the drive of propelling cylinder 6.
Need to make it stop retracting and travelling forward again when rock drill is in automatic rollback, operation hydraulic control handle 1 makes at it
In b, as shown in Fig. 2 control oil, which touches pressure switch e while banked direction control valves 3 are entered and reaches it, sets pressure, now press
Power switch e sends signal to magnetic valve c, d makes it commutate, and whole control system will return to the state shown in Fig. 2, just can be real
The function that can also advance again in present rock drill automatic rollback.
The rollback of rock drill is realized in the way of automatically controlling, while can continue to manipulation in rock drill back off procedure
It advances, and is unlikely to be at runaway condition；It is simple to operate reasonable, the labor intensity of operator is reduced, is extended
The service life of rock drill.
The utility model is not limited to above-mentioned embodiment, and those skilled in the art can also make a variety of changes accordingly
Change, but any change equivalent or similar with the utility model should all be covered in the range of the utility model claim.
Claims (6)
1. a kind of rock drill automatic rollback control system, includes electrical system, hydraulic control handle, control valve block, promotion oil cylinder, pressure
Switch one, fuel tank, control valve block, pressure switch one are connected with electrical system signal respectively, it is characterised in that control valve block is included
Automatic rollback control valve group, hydraulic control proportional multi-way valve, overflow valve, choke valve, stroke control valve；Described automatic rollback control valve
Group includes reversing solenoid valve group and pressure switch two；The oil circuit one of hydraulic control handle passes through reversing solenoid valve group and hydraulic control proportional multi-path
The one end of control oil circuit one connection of valve, the oil circuit two-way excess pressure switch two of hydraulic control handle and the control oil of hydraulic control proportional multi-way valve
The one end of road two is connected, and the control other end of oil circuit one of hydraulic control proportional multi-way valve and the rod chamber of propelling cylinder are connected, hydraulic control ratio
The control other end of oil circuit two of banked direction control valves and the rodless cavity of propelling cylinder are connected；Choke valve is connected on rodless cavity and hydraulic control ratio is more
On control oil circuit two between the valve of road, overflow valve is in parallel with rodless cavity.
2. rock drill automatic rollback control system according to claim 1, it is characterised in that reversing solenoid valve group includes electricity
Magnet valve one, magnetic valve two, magnetic valve one are connected on one end of control oil circuit one of hydraulic control proportional multi-way valve, and magnetic valve two is connected in parallel on liquid
Control one end of control oil circuit one of proportional multi-way valve.
3. rock drill automatic rollback control system according to claim 1, it is characterised in that described overflow valve is long-range
Control overflow valve.
4. rock drill automatic rollback control system according to claim 1, it is characterised in that described stroke control valve is
2/2-way structure.
5. rock drill automatic rollback control system according to claim 4, it is characterised in that described stroke control valve one
End is connected with rodless cavity, and the other end is connected by damping one end with pressure switch one, and the damping other end passes through return line and oil
Case is connected.
6. rock drill automatic rollback control system according to claim 4, it is characterised in that in described stroke control valve
Portion is integrated with check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621447108.6U CN206346729U (en) | 2016-12-27 | 2016-12-27 | Rock drill automatic rollback control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621447108.6U CN206346729U (en) | 2016-12-27 | 2016-12-27 | Rock drill automatic rollback control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206346729U true CN206346729U (en) | 2017-07-21 |
Family
ID=59319104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621447108.6U Active CN206346729U (en) | 2016-12-27 | 2016-12-27 | Rock drill automatic rollback control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206346729U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761660A (en) * | 2016-12-27 | 2017-05-31 | 中铁工程装备集团有限公司 | Rock drill automatic rollback control system and its control method |
| CN112983910A (en) * | 2021-02-22 | 2021-06-18 | 中国煤炭科工集团太原研究院有限公司 | Roofbolter hydraulic control system and roofbolter |
| CN113124006A (en) * | 2021-04-19 | 2021-07-16 | 中国铁建重工集团股份有限公司 | Hydraulic system for continuously adjusting rock drilling power |
-
2016
- 2016-12-27 CN CN201621447108.6U patent/CN206346729U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761660A (en) * | 2016-12-27 | 2017-05-31 | 中铁工程装备集团有限公司 | Rock drill automatic rollback control system and its control method |
| CN106761660B (en) * | 2016-12-27 | 2023-02-03 | 中铁工程装备集团有限公司 | Automatic retraction control system and control method for rock drill |
| CN112983910A (en) * | 2021-02-22 | 2021-06-18 | 中国煤炭科工集团太原研究院有限公司 | Roofbolter hydraulic control system and roofbolter |
| CN112983910B (en) * | 2021-02-22 | 2022-11-01 | 中国煤炭科工集团太原研究院有限公司 | Roofbolter hydraulic control system and roofbolter |
| CN113124006A (en) * | 2021-04-19 | 2021-07-16 | 中国铁建重工集团股份有限公司 | Hydraulic system for continuously adjusting rock drilling power |
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