CN103115188B - Hydraulic control system and bolting machine - Google Patents
Hydraulic control system and bolting machine Download PDFInfo
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- CN103115188B CN103115188B CN201310051105.5A CN201310051105A CN103115188B CN 103115188 B CN103115188 B CN 103115188B CN 201310051105 A CN201310051105 A CN 201310051105A CN 103115188 B CN103115188 B CN 103115188B
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- 239000012530 fluid Substances 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 27
- 238000001802 infusion Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000013589 supplement Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 21
- 238000012423 maintenance Methods 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 26
- 238000009434 installation Methods 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention provides a hydraulic control system and a bolting machine. The hydraulic control system comprises a control device, a power device, a flexible pipe and a control valve. The control valve is installed on a machine body of the bolting machine. The control device and the power device are installed on an operating arm of the bolting machine, one end of the power device is connected with the control device, and the other end of the power device is connected with the control valve through the flexible pipe. Under the control of the control device, the power device is capable of pressing operating fluid into the control valve or sucking out the operating fluid from the control valve through the flexible pipe to enable a valve plug of the control valve to move so that the opening degree of an inlet and an outlet of the control valve can be controlled. The hydraulic control system is capable of replacing a tee joint shaft in related techniques to achieve control over the bolting machine, fine adjustment can be carried out on the control valve through the control device so that accurate control on the bolting machine can be achieved. In addition, the hydraulic control system is convenient to install and dismantle, long in service life, low in fault rate, and capable of effectively reducing fault rate of the bolting machine and saving maintenance cost.
Description
Technical field
The present invention relates to technical field of mechanical equipment, in particular to a kind of hydraulic control system and the rockbolting machine comprising this hydraulic control system.
Background technique
The control structure of current rockbolting machine is provided with motor on control arm, the three-way valve of supporting leg and flushing waterway controlling valve, and be connected with fixed cover by three axises, because three axises will realize the control in two-way gas (controlling motor and supporting leg respectively) and a water route, road, therefore structure is very complicated, as shown in Figure 1: enclose 1 ' for sealing at three axis Shang You nine road O, in the frequent rotary course of three axises, O circle 1 ' very easily damages, working life is low, three axises are that structural steel is made, weight is high, add that three-way control valve makes complete machine weight large, be not easy to transport, carrying.Threeway axle construction is complicated, and processing cost is high, and the action of handle and turning handle is delivered to spool by connecting rod by existing rockbolting machine, and control the switch of spool, sleeve mechanism, all on control arm, causes control arm heavier, is unfavorable for operating rockbolting machine.Suction tude in existing mechanism and water pipe are all connected on control arm, and when operating rockbolting machine, suction tude and water pipe need to swing together with control arm, cause operation very inconvenient.For alleviating complete machine weight, three-way valve all adopts aluminum alloy material to make, and because aluminium has combustibility, the restriction of existing many countries has well operations under the equipment exposing aluminum component in the world at present.
Therefore, how can evade to sum up defect simultaneously, thus greatly to improve operating efficiency, reducing equipment failure rate, is technical problem urgently to be resolved hurrily.
Summary of the invention
For to solve the problems of the technologies described above or one of at least, the invention provides a kind of hydraulic control system, three controls of axises realization to rockbolting machine in correlation technique can be replaced, control gear can be finely tuned control valve, thus realizes the accurate control to rockbolting machine, in addition, hydraulic control system is not only convenient to installation and removal, and long service life, failure rate is low, effectively can reduce the rate of fault of rockbolting machine, thrifty maintenance cost.
In view of this, the invention provides a kind of hydraulic control system, for rockbolting machine, comprise control gear, power plant, flexible pipe and control valve, described control valve is arranged on the fuselage of described rockbolting machine, described control gear and described power plant are arranged on the operating arm of described rockbolting machine, and one end of described power plant is connected with described control gear, and the other end is communicated with described control valve by described flexible pipe; Described power plant, under the control of described control gear, are pressed into by described flexible pipe or from sucking-off working liquid body in described control valve, the spool of described control valve are moved in described control valve, to control the aperture between the entrance of described control valve and outlet.
Three axises in the alternative correlation technique of the present invention realize the control to rockbolting machine, control gear can be finely tuned control valve, thus the accurate control realized rockbolting machine, in addition, hydraulic control system is also convenient to installation and removal and long service life, failure rate is low, effectively can reduce the rate of fault of rockbolting machine, thrifty maintenance cost, increases enterprise income.
In technique scheme, preferably, described power plant are oil hydraulic cylinder; One end of the rodless cavity of described oil hydraulic cylinder and one end of described control valve are by described soft pipe connection, described control gear is connected with the piston rod of described oil hydraulic cylinder and can controls described piston rod and moves, the mobile of described piston rod drives the piston in described oil hydraulic cylinder to move, described piston pumps or sucks described working liquid body, realizes the control to aperture between the entrance of described control valve and outlet.
Oil hydraulic cylinder preparation process is ripe, reliable transmission, to be communicated with to control the entrance of control valve and the aperture between exporting by oil hydraulic cylinder with control valve, control accuracy is high, the operation ease of equipment significantly promotes, and can expand the market share of equipment, improves enterprise income.
In technique scheme, preferably, the sidewall of described oil hydraulic cylinder is provided with fluid infusion mouth; Described fluid infusion mouth can supplement working liquid body in described rodless cavity.
Fluid infusion mouth can supplement working liquid body in time in oil hydraulic cylinder, ensures hydraulic control system stable operation, also can improve the working life of oil hydraulic cylinder simultaneously.
In technique scheme, preferably, the arranged outside of described fluid infusion mouth has make-up valve block, and described fluid infusion mouth supplements working liquid body by described make-up valve block in described oil hydraulic cylinder.
Make-up valve block can prevent the working liquid body in oil hydraulic cylinder from flowing out, and avoids waste, and is beneficial to environmental protection.
In technique scheme, preferably, described control gear comprises handle, and described handle is connected with described piston rod, can control described piston rod and move.
Handle make simple, buying easily, cost is low and be convenient to coordinate with piston rod, to realize the accurate control to rockbolting machine.
In technique scheme, preferably, described control gear also comprises screw rod and nut, one end of described screw rod is fixedly connected with described handle, the other end is through screwing in described nut after the fixed plate on described operating arm, described nut is fixedly connected with described piston rod, rotates described handle and can push away or draw described piston rod.
Moved by the mode control piston bar of handle with sleeve, whole operating process takes up room little, and the operation ease of equipment significantly improves; Screw rod and nut preparation process maturation, connect reliable, screwed in the movement of the face advance control piston bar in nut by screw rod, control accuracy is high, the good operability of equipment.
In technique scheme, preferably, described screw rod is connected by trapezoidal thread or square threaded form with described nut.
Trapezoidal thread and square threaded form are convenient to manufacturing, and stable drive, precision are high, the good operability of equipment.
In technique scheme, preferably, the first spring is provided with in described rodless cavity.
First spring to can be used for eliminating between screw rod and nut because manufacturing and assembly error and the control accuracy difference problem that causes, improve control accuracy, can also keep the gap between screw thread, improve the speed of response of control, and then raising equipment is handling.
In technique scheme, preferably, the second spring making described valve core reset is provided with in described control valve.
Second spring can make spool Rapid reset, the operability of further raising equipment, thus realizes controlling fast, accurately to rockbolting machine.
Present invention also offers a kind of rockbolting machine, comprise operating arm, motor, supporting leg, water route, fixed cover and the hydraulic control system according to any one of three groups of technique scheme, described in three groups, hydraulic control system controls described motor, supporting leg and water route respectively, control valve is arranged in described fixed cover, described fixed cover is arranged on the fuselage of described rockbolting machine, and described operating arm can rotate around described fixed cover.
Rockbolting machine provided by the invention, three axises substituted in correlation technique by three groups of hydraulic control systems realize the control to the motor of rockbolting machine, supporting leg and water route, by the aperture between the entrance of control gear adjusting control valve and outlet to realize the accurate control to rockbolting machine, in addition, hydraulic control system is also convenient to installation and removal and long service life, failure rate is low, effectively can reduce the rate of fault of rockbolting machine, thrifty maintenance cost, increases enterprise income.
In sum, hydraulic control system provided by the invention, by control gear, control valve is regulated, thus the accurate control realized rockbolting machine, in addition, hydraulic control system is also convenient to installation and removal and long service life, failure rate is low, effectively can reduce the rate of fault of rockbolting machine, thrifty maintenance cost.
Can also hydraulic control system provided by the invention be applied in the middle of other machinery, cannot be exhaustive at this, repeat no more, but its application all should within protection scope of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of three axis one embodiments in correlation technique;
Fig. 2 is the structural representation according to control valve one embodiment of the present invention;
Fig. 3 is the structural representation being arranged on an embodiment on operating arm according to control gear of the present invention, oil hydraulic cylinder and flexible pipe.
Wherein, the corresponding relation in Fig. 1 between reference character and component names is:
1 ' O circle;
Corresponding relation in Fig. 2 and Fig. 3 between reference character and component names is:
1 flexible pipe 11 hose joint 2 control valve 21 spool 22 second spring 3 oil hydraulic cylinder 31 rodless cavity 32 piston rod 33 piston 34 fluid infusion mouth 35 make-up valve block 36 first spring 41 handle 42 screw rod 43 nut 5 operating arm 51 fixed plate.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here to implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Hydraulic control system provided by the invention, for rockbolting machine, as shown in Figure 2 and Figure 3, comprise control gear, power plant, flexible pipe 1 and control valve 2, control valve 2 is arranged on the fuselage of rockbolting machine, control gear and power plant are arranged on the operating arm of rockbolting machine, and one end of power plant is connected with control gear, and the other end is communicated with control valve 2 by flexible pipe 1; Power plant under control of the control means, are pressed into by flexible pipe 1 or from sucking-off working liquid body in control valve 2, the spool 21 of control valve 2 are moved in control valve 2, to control the aperture between the entrance of control valve 2 and outlet.
Three axises in the alternative correlation technique of the present invention realize the control to rockbolting machine, control gear can be finely tuned control valve, thus the accurate control realized rockbolting machine, in addition, hydraulic control system is also convenient to installation and removal and long service life, failure rate is low, effectively can reduce the rate of fault of rockbolting machine, thrifty maintenance cost, increases enterprise income.
Preferably, as shown in Figure 3, power plant are oil hydraulic cylinder 3; One end of the rodless cavity 31 of oil hydraulic cylinder 3 is communicated with by flexible pipe 1 with one end of control valve 2, control gear is connected with the piston rod 32 of oil hydraulic cylinder 3 and can controls piston rod 32 and moves, piston 33 in the moving belt hydrodynamic cylinder pressure 3 of piston rod 32 moves, piston 33 pumps or sucks working liquid body, realizes the control to aperture between the entrance of control valve 2 and outlet.
Wherein, flexible pipe 1 is connected with oil hydraulic cylinder 3 and control valve 2 respectively by hose joint 11, and flexible pipe 1 can bear the pressure of working liquid body.
The diameter of piston 33 is different from the diameter of spool 21, to realize hydraulic booster, makes the operation of rockbolting machine more laborsaving.
Oil hydraulic cylinder preparation process is ripe, reliable transmission, to be communicated with to control the entrance of control valve and the aperture between exporting by oil hydraulic cylinder with control valve, control accuracy is high, the operation ease of equipment significantly promotes, and can expand the market share of equipment, improves enterprise income.
Preferably, the sidewall of oil hydraulic cylinder 3 is provided with fluid infusion mouth 34; Fluid infusion mouth 34 can supplement working liquid body in rodless cavity 31.
As shown in Figure 3, fluid infusion mouth 34 is positioned on the sidewall of close piston 33 one end of rodless cavity 31, when piston 33 is in position shown in Fig. 3, fluid infusion mouth 34 is communicated with rodless cavity 31, now, if lack working liquid body in rodless cavity 31, in rodless cavity 31, supplement working liquid body by fluid infusion mouth 34; When piston 33 moves right, fluid infusion mouth 34 is no longer communicated with rodless cavity 31, can prevent working liquid body self-mending liquid mouth 34 from flowing out, be beneficial to simultaneously and accurately control rockbolting machine.
Fluid infusion mouth can supplement working liquid body in time in oil hydraulic cylinder, ensures hydraulic control system stable operation, also can improve the working life of oil hydraulic cylinder simultaneously.
Preferably, the arranged outside of fluid infusion mouth 34 has make-up valve block 35, and fluid infusion mouth 34 supplements working liquid body by make-up valve block 35 in oil hydraulic cylinder 3.
Wherein, make-up valve block 35 is communicated with fuel tank, and working liquid body is hydraulic oil.
Make-up valve block can prevent the working liquid body in oil hydraulic cylinder from flowing out, and avoids waste, and is beneficial to environmental protection.
Preferably, control gear comprises handle 41, and handle 41 is connected with piston rod 32, can control piston rod 32 and move.
Handle make simple, buying easily, cost is low and be convenient to coordinate with piston rod, to realize the accurate control to rockbolting machine.
Preferably, control gear also comprises screw rod 42 and nut 43, and one end of screw rod 42 is fixedly connected with handle 41, and the other end is through screwing in nut 43 after the fixed plate 51 on operating arm 5, nut 43 is fixedly connected with piston rod 32, and handle with sleeve 41 can push away or draw piston rod 32.
Wherein, handle and screw rod, nut and piston rod are all bolted to connection.
Moved by the mode control piston bar of handle with sleeve, whole operating process takes up room little, and the operation ease of equipment significantly improves; Screw rod and nut preparation process maturation, connect reliable, screwed in the movement of the face advance control piston bar in nut by screw rod, control accuracy is high, the good operability of equipment.
Preferably, screw rod 42 is connected by trapezoidal thread or square threaded form with nut 43.
Certainly, can also be other forms of screw thread etc., as long as object of the present invention can be reached, the protection domain of this patent all should be belonged to.
Trapezoidal thread and square threaded form are convenient to manufacturing, and stable drive, precision are high, the good operability of equipment.
Preferably, being provided with the first spring 36, first spring 36 in rodless cavity 31 is stage clip.
First spring can be used for eliminating the control accuracy difference problem caused because of manufacturing and fixing error between screw rod and nut, improves control accuracy, can also keep the gap between screw thread, improve the speed of response controlled, and then improve the handling of equipment.
Screw rod is connected by trapezoidal thread or square threaded form with nut, owing to there is manufacturing and fixing error, certain gap is there is between the screw thread that screw rod matches with nut, when moving to position shown in Fig. 3 in one end of the connection flexible pipe of piston self-hydraulic cylinder, owing to there is gap between connecting thread, piston possibly cannot move to the position in Fig. 3, increase by the first spring and can ensure that piston is quick, accurate motion is to the position in Fig. 3, to eliminate the control accuracy difference problem caused because of foozle between screw rod and nut, and then realize accurately controlling to rockbolting machine, and improve the speed of response controlled.
Preferably, being provided with the second spring 22, second spring 22 that spool 21 is resetted in control valve 2 is stage clip.
Second spring can make spool Rapid reset, the operability of further raising equipment, thus realizes controlling fast, accurately to rockbolting machine.
Present invention also offers a kind of rockbolting machine, comprise operating arm 5, motor, supporting leg, water route, fixed cover and the hydraulic control system any one of three groups of technique scheme, three groups of hydraulic control systems control motor, supporting leg and water route respectively, control valve 2 is arranged in fixed cover, fixed cover is arranged on the fuselage of rockbolting machine, and operating arm 5 can rotate around fixed cover.
Wherein, three groups of control valves 2 are installed in fixed cover, and the diameter of piston 33 is different from the diameter of spool 21, to realize hydraulic booster, make the operation of rockbolting machine more laborsaving.
The working procedure of hydraulic control system provided by the invention is as follows:
Handle with sleeve 41 from state as shown in Figure 3, screw rod 42 is driven to rotate, nut 43 and piston rod 32 are moved right, working liquid body in rodless cavity 31 is pressed into the left end of the control valve 2 in Fig. 2 by piston 33 by flexible pipe 1, working liquid body is promoted resistance that spool 21 overcomes the second spring 22 moves to the right-hand member of control valve 2, and the entrance and exit of control valve 2 is communicated with, and also control by the rotation angle of Joystick 41 number entering the working liquid body in control valve 2, control the displacement distance of spool 21, realization is to the control of the aperture between the entrance of control valve 2 and outlet, control through entrance to the flow of outlet fluid (in the present embodiment for gas), thus the motor of rockbolting machine or supporting leg are accurately controlled, when the aperture needing to reduce between the entrance and exit of control valve 2, until when cut-out entrance and exit makes control valve 2 end, rotate backward handle 41, nut 43 and piston rod 32 is then driven to be moved to the left, piston 33 is moved to the left, then the spool 21 of control valve 2 is moved to the left under the effect of the second spring 22, while reduction entrance and exit aperture, the working liquid body that can promote spool 21 left end passes back in the rodless cavity 31 of oil hydraulic cylinder 3, until entrance and exit is completely severed, thus the fluid flowing into outlet through entrance is accurately controlled in real time according to operating mode and requirement.
When piston 33 gets back to the position of high order end (position shown in Fig. 3), rodless cavity 31 is communicated with fluid infusion mouth 34, can supplement the working liquid body in oil hydraulic cylinder 3, ensures control accuracy.
Motor, supporting leg are all identical with the control principle in water route, arrange three groups of hydraulic control systems and can realize, to the control in motor, supporting leg and water route, repeating no more herein.
Wherein, motor, supporting leg can not be identical with the control gear in water route, if motor and supporting leg are respectively by handle, screw rod and the structure of nut are connected with the piston rod of the hydraulic control system of motor and are connected with the piston rod of the hydraulic control system of supporting leg, motor and supporting leg is controlled by rotating corresponding handle, and water route is directly connected with the piston rod of the hydraulic control system controlling water route by handle, by to push away or the mode of handle controls water route etc., all can realize object of the present invention, these changes all do not depart from design philosophy of the present invention, belong to the protection domain of this patent.
Rockbolting machine provided by the invention, three axises substituted in correlation technique by three groups of hydraulic control systems realize the control to the motor of rockbolting machine, supporting leg and water route, by the aperture between the entrance of control gear adjusting control valve and outlet to realize the accurate control to rockbolting machine, in addition, hydraulic control system is also convenient to installation and removal and long service life, failure rate is low, effectively can reduce the rate of fault of rockbolting machine, thrifty maintenance cost, increases enterprise income.
In sum, hydraulic control system provided by the invention, by control gear, control valve is regulated, thus the accurate control realized rockbolting machine, in addition, hydraulic control system is also convenient to installation and removal and long service life, failure rate is low, effectively can reduce the rate of fault of rockbolting machine, thrifty maintenance cost.
In the present invention, term " first ", " second " object for describing, and instruction or hint relative importance can not be interpreted as; Unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " all should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a hydraulic control system, for rockbolting machine, it is characterized in that, comprise control gear, power plant, flexible pipe (1) and control valve (2), described control valve (2) is arranged on the fuselage of described rockbolting machine, described control gear and described power plant are arranged on the operating arm of described rockbolting machine, and one end of described power plant is connected with described control gear, and the other end is communicated with described control valve (2) by described flexible pipe (1);
Described power plant are under the control of described control gear, in described control valve (2), be pressed into by described flexible pipe (1) or make from described control valve (2) interior sucking-off working liquid body the spool (21) of described control valve (2) mobile, to control the aperture between the entrance of described control valve (2) and outlet.
2. hydraulic control system according to claim 1, is characterized in that, described power plant are oil hydraulic cylinder (3); One end of the rodless cavity (31) of described oil hydraulic cylinder (3) is communicated with by described flexible pipe (1) with one end of described control valve (2), described control gear is connected with the piston rod (32) of described oil hydraulic cylinder (3) and can controls described piston rod (32) and moves, the mobile of described piston rod (32) drives the piston (33) in described oil hydraulic cylinder (3) mobile, described piston (33) pumps or sucks described working liquid body, realizes the control to aperture between the entrance of described control valve (2) and outlet.
3. hydraulic control system according to claim 2, is characterized in that, the sidewall of described oil hydraulic cylinder (3) is provided with fluid infusion mouth (34); Described fluid infusion mouth (34) can supplement working liquid body in described rodless cavity (31).
4. hydraulic control system according to claim 3, is characterized in that, the arranged outside of described fluid infusion mouth (34) has make-up valve block (35), and described fluid infusion mouth (34) supplements working liquid body by described make-up valve block (35) in described oil hydraulic cylinder (3).
5. hydraulic control system according to claim 2, is characterized in that, described control gear comprises handle (41), and described handle (41) is connected with described piston rod (32), can control described piston rod (32) mobile.
6. hydraulic control system according to claim 5, it is characterized in that, described control gear also comprises screw rod (42) and nut (43), one end of described screw rod (42) is fixedly connected with described handle (41), the other end screws in described nut (43) through the fixed plate (51) on described operating arm (5) afterwards, described nut (43) is fixedly connected with described piston rod (32), rotates described handle (41) and can push away or draw described piston rod (32).
7. hydraulic control system according to claim 6, is characterized in that, described screw rod (42) is connected by trapezoidal thread or square threaded form with described nut (43).
8. hydraulic control system according to claim 6, is characterized in that, is provided with the first spring (36) in described rodless cavity (31).
9. hydraulic control system according to any one of claim 1 to 8, is characterized in that, is provided with the second spring (22) that described spool (21) is resetted in described control valve (2).
10. a rockbolting machine, comprise operating arm (5), motor, supporting leg and water route, it is characterized in that, also comprise fixed cover and three groups of hydraulic control systems as claimed in any one of claims 1-9 wherein, described in three groups, hydraulic control system controls described motor, supporting leg and water route respectively, control valve (2) is arranged in described fixed cover, and described fixed cover is arranged on the fuselage of described rockbolting machine, and described operating arm (5) can rotate around described fixed cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310051105.5A CN103115188B (en) | 2013-02-05 | 2013-02-05 | Hydraulic control system and bolting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310051105.5A CN103115188B (en) | 2013-02-05 | 2013-02-05 | Hydraulic control system and bolting machine |
Publications (2)
| Publication Number | Publication Date |
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| CN103115188A CN103115188A (en) | 2013-05-22 |
| CN103115188B true CN103115188B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310051105.5A Expired - Fee Related CN103115188B (en) | 2013-02-05 | 2013-02-05 | Hydraulic control system and bolting machine |
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| CN (1) | CN103115188B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114468982A (en) * | 2022-02-18 | 2022-05-13 | 金华市计量质量科学研究院 | A slit lamp microscope calibrator group and its calibration method |
| CN114718927A (en) * | 2022-04-14 | 2022-07-08 | 中国煤炭科工集团太原研究院有限公司 | Positioning control cylinder and hydraulic positioning control system for anchor rod drill carriage |
| CN114704310A (en) * | 2022-05-19 | 2022-07-05 | 淮北矿业股份有限公司 | Hydraulic rockbolt machine control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2918825Y (en) * | 2006-06-28 | 2007-07-04 | 山东交院机械厂 | Hydraulic anchor bar drilling machine composite hydraulic control valve |
| CN102506291A (en) * | 2011-10-14 | 2012-06-20 | 石家庄中煤装备制造股份有限公司 | Equipment protective device |
| CN203146978U (en) * | 2013-02-05 | 2013-08-21 | 石家庄中煤装备制造股份有限公司 | Hydraulic control system and roof bolter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7607866B2 (en) * | 2006-06-07 | 2009-10-27 | Joy Mm Delaware, Inc. | Drilling rig |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2918825Y (en) * | 2006-06-28 | 2007-07-04 | 山东交院机械厂 | Hydraulic anchor bar drilling machine composite hydraulic control valve |
| CN102506291A (en) * | 2011-10-14 | 2012-06-20 | 石家庄中煤装备制造股份有限公司 | Equipment protective device |
| CN203146978U (en) * | 2013-02-05 | 2013-08-21 | 石家庄中煤装备制造股份有限公司 | Hydraulic control system and roof bolter |
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| CN103115188A (en) | 2013-05-22 |
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