CN110067502B - Rock drill damping device convenient to expand work - Google Patents
Rock drill damping device convenient to expand work Download PDFInfo
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- CN110067502B CN110067502B CN201910280820.3A CN201910280820A CN110067502B CN 110067502 B CN110067502 B CN 110067502B CN 201910280820 A CN201910280820 A CN 201910280820A CN 110067502 B CN110067502 B CN 110067502B
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- 239000011435 rock Substances 0.000 title claims abstract description 109
- 238000013016 damping Methods 0.000 title claims abstract description 47
- 230000006835 compression Effects 0.000 claims abstract description 26
- 238000007906 compression Methods 0.000 claims abstract description 26
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 230000002349 favourable effect Effects 0.000 abstract description 10
- 230000035939 shock Effects 0.000 abstract description 8
- 208000028571 Occupational disease Diseases 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Mining & Mineral Resources (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a rock drill damping device convenient for expansion work, which comprises a rock drill main body, wherein the outer side of the rock drill main body is connected with a ring groove pipe, a fixing ring is connected in the ring groove pipe, a ring rod penetrates through the fixing ring, a first piston block is arranged on the ring rod, the first piston block is connected with the fixing ring through a second compression spring, the second compression spring is nested on the outer side of the ring rod, the outer side of the ring rod is connected with a fixing block, a screw rod is connected on the fixing block, and a groove is formed in the rock drill main body. This rock drill damping device convenient to expand work can be convenient for carry out the shock attenuation to the both ends of screw rod to can be convenient for reduce the staff and grip the handle and use the vibration sense that rock drill work was experienced, be favorable to increasing staff's comfort level, and can reduce the probability that occupational disease takes place, this damping device not only is convenient for expand work simultaneously, and does not influence the normal use of rock drill.
Description
Technical Field
The invention relates to the technical field of rock drill damping, in particular to a rock drill damping device convenient to expand.
Background
The rock drill is a tool capable of drilling a blast hole in a rock stratum, and the rock is blasted by placing explosives in the blast hole, so the rock drill is generally applied to the exploitation of stones or other stone sides, and the rock drill is generally separated according to the power source of the rock drill and mainly comprises four types, namely pneumatic, internal combustion, electric and hydraulic;
when the rock drill works, a piston in the rock drill continuously reciprocates so as to continuously impact a drill bit shank, the outer end of the drill bit shank is in contact with rocks, and the outer end of the drill bit shank is in a sharp wedge shape, so that the rock is continuously impacted by the drill bit shank when the piston continuously reciprocates, and the rocks are crushed;
according to the above description, the rock drill damping device is a device which is installed on the rock drill so as to reduce the vibration generated when the rock drill works, and the device can be used for reducing the vibration feeling felt when a worker holds the handle to work and is beneficial to increasing the working comfort of the worker;
however, there are some problems in the existing rock drill damping device in the use process, such as:
1. the existing rock drill damping device is inconvenient to expand and damp, because the rock drill is used for drilling a blast hole in a rock stratum which is generally hard, when the rock drill works, the vibration generated by the rock drill is very large, the existing rock drill damping device generally adopts a spring for damping, if the vibration is larger than the maximum elastic limit of the spring, the rock drill damping device does not have the damping function any more, the rock drill damping device cannot stably damp, and the spring with larger stiffness coefficient is used, so that the cost of the damping device is increased;
2. the existing damping device for the rock drill is not convenient for damping components transmitting vibration in the using process, so that the components transmitting vibration are damaged in the long-term using process of the rock drill, the service life of the components transmitting vibration is shortened, and the normal use of the damping device is not facilitated.
In view of the above, there is a need to develop a rock drill damping device that facilitates deployment work in order to solve the above problems.
Disclosure of Invention
The invention aims to provide a rock drill damping device convenient for expansion work, and aims to solve the problems that the rock drill damping device is inconvenient for stable expansion damping work and is not beneficial to ensuring the service life of a transmission vibration component in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a rock drill damping device convenient for expansion work comprises a rock drill main body, wherein an annular groove pipe is connected to the outer side of the rock drill main body, a fixing ring is connected to the annular groove pipe, an annular rod penetrates through the fixing ring, a first piston block is arranged on the annular rod, the first piston block is connected with the fixing ring through a second compression spring, the second compression spring is nested on the outer side of the annular rod, a fixing block is connected to the outer side of the annular rod, a screw rod is connected to the fixing block, a groove is formed in the rock drill main body, a first cylinder body and a second cylinder body are arranged in the groove, the first cylinder body and the second cylinder body are respectively connected with the annular groove pipe and a connecting piece through a first hydraulic pipe and a second hydraulic pipe, the connecting piece is connected to the rock drill main body, through holes are formed in the connecting piece and the rock drill main body, and the screw rod penetrates through the through holes, be connected with the connecting block on the screw rod in the through-hole, and the connecting block stretches into the hydraulic pressure inslot and is connected with second piston piece, second piston piece sets up in the hydraulic pressure inslot, and the hydraulic pressure groove sets up in the connecting piece, all be provided with the piston board in first cylinder body and the second cylinder body, and be connected with the locating lever on the piston board, the locating lever runs through first cylinder body and second cylinder body, and the locating lever passes through the registration arm and is connected with the rock drill owner, all be provided with first compression spring between registration arm and first cylinder body and the second cylinder body, and the inner space between first cylinder body, first hydraulic pressure pipe and the annular pipe and the inner space between second cylinder body, second hydraulic pressure pipe and the hydraulic pressure groove all fill hydraulic oil, be connected with the handle between the outer end of screw rod.
Preferably, the annular groove pipe and the annular rod are both annular in structural shape, the annular groove pipe is movably connected with the annular rod in a nesting mode, and the axes of the annular groove pipe and the annular rod are overlapped.
Preferably, the screw rod is connected with the connecting block in a threaded connection mode, and the connecting block is fixedly connected with the second piston block.
Preferably, the inside of first cylinder body and second cylinder body all is provided with 2 hydro-cylinders, and all is connected with the piston board in 2 hydro-cylinders.
Preferably, the size of the piston plate in the first cylinder body is smaller than that of the first piston block in the ring groove pipe, and the size of the piston plate in the second cylinder body is smaller than that of the second piston block in the hydraulic groove.
Preferably, the positioning pipe is movably connected with the positioning rod in a nesting mode, and the positioning rod is uniformly distributed on the piston plate.
Preferably, the hydraulic grooves are communicated with the through holes, and the hydraulic grooves are arranged at equal angles relative to the axes of the through holes.
Preferably, fixed ring fixed connection is in the inboard of ring groove pipe, and fixed ring adopts nested mode and annular pole swing joint to fixed ring's both sides all are provided with first piston block, and first piston block fixed connection is on annular pole simultaneously.
Preferably, the connecting piece and the rock drill main body are arranged in an integrated structure, and the axes of the through holes in the connecting piece and the rock drill main body are collinear.
Preferably, the second piston block and the hydraulic groove, the annular groove pipe and the first piston block, the piston plate and the first cylinder body, and the piston plate and the second cylinder body are in seamless sliding connection.
Compared with the prior art, the invention has the beneficial effects that: this rock drill damping device convenient to expand work can be convenient for carry out the shock attenuation to the both ends of screw rod to can be convenient for reduce the staff and grip the handle and use the shake sense that rock drill work was experienced, be favorable to increasing staff's comfort level, and can reduce the probability that occupational disease takes place, this damping device not only is convenient for expand work simultaneously, and does not influence the normal use of rock drill:
1. the ring groove pipe, the hydraulic oil, the first piston block, the fixing ring, the second compression spring, the ring rod, the first hydraulic pipe, the first cylinder body, the piston plate, the positioning rod, the positioning pipe, the first compression spring and the rock drill main body are arranged, not only can the energy transmitted to the lower end of the screw rod by the vibration generated during the work of the rock drill be reduced by setting the section of the ring groove pipe, the piston plate, the first piston block and the first cylinder body according to the Pascal principle, but also the vibration generated when the vibration energy is transmitted by the ring rod can be reduced by setting the fixing ring, the second compression spring and the first piston block, so that the damping effect of the damping device is increased, the vibration feeling experienced by the worker holding the handle during the work of the rock drill can be reduced, and the service life of the ring rod can be prolonged;
2. the connecting piece, the through-hole, the hydraulic pressure groove, the second piston piece, the connecting block, the second hydraulic tube, the second cylinder body, the piston board, the locating lever, the locating pipe, the setting of first compression spring and rock drill main part, can not only be through to the second cylinder body, the second piston piece, the setting of hydraulic pressure groove and piston board size, use the pascal principle, the vibrations that reduce rock drill during operation production transmit the energy to the screw rod upper end, be favorable to further reducing the staff and grip the handle and use the sense of earthquake that rock drill work was experienced, and can pass through the threaded connection of screw rod and connecting block, the installation is dismantled to the screw rod of being convenient for on the rock drill main part, be favorable to this production that has the damping device rock drill.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is an enlarged view of point A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a left side view partial cross-sectional connection structure of the rock drill body of the present invention;
FIG. 4 is an enlarged view of point B of FIG. 3 according to the present invention;
FIG. 5 is a schematic cross-sectional connecting structure of the first cylinder and the second cylinder according to the present invention;
fig. 6 is a schematic view of a cross-sectional connection structure of a rock drill body and a connector according to the invention;
FIG. 7 is an enlarged view of point C of FIG. 6 according to the present invention.
In the figure: 1. a rock drill main body; 2. a ring groove pipe; 3. a fixed block; 4. a screw; 5. a second hydraulic pipe; 6. a handle; 7. a first cylinder; 8. a second cylinder; 9. a groove; 10. positioning a rod; 11. a positioning tube; 12. a first compression spring; 13. an annular rod; 14. a hydraulic tank; 15. hydraulic oil; 16. a first piston block; 17. a fixing ring; 18. a second compression spring; 19. a piston plate; 20. a connecting member; 21. a through hole; 22. connecting blocks; 23. a second piston block; 24. a first hydraulic tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides the following technical solutions: a rock drill damping device convenient for expansion work comprises a rock drill main body 1, an annular groove pipe 2 is connected to the outer side of the rock drill main body 1, a fixing ring 17 is connected in the annular groove pipe 2, an annular rod 13 penetrates through the fixing ring 17, a first piston block 16 is arranged on the annular rod 13, the first piston block 16 is connected with the fixing ring 17 through a second compression spring 18, the second compression spring 18 is nested on the outer side of the annular rod 13, a fixing block 3 is connected to the outer side of the annular rod 13, a screw rod 4 is connected to the fixing block 3, a groove 9 is arranged on the rock drill main body 1, a first cylinder body 7 and a second cylinder body 8 are arranged in the groove 9, the first cylinder body 7 and the second cylinder body 8 are respectively connected with the annular groove pipe 2 and a connecting piece 20 through a first hydraulic pipe 24 and a second hydraulic pipe 5, the connecting piece 20 is connected to the rock drill main body 1, through holes 21 are formed in the connecting piece 20 and the rock drill main body 1, a screw rod 4 penetrates through the through hole 21, the screw rod 4 in the through hole 21 is connected with a connecting block 22, and the connecting block 22 extends into the hydraulic tank 14 to be connected with the second piston block 23, the second piston block 23 is disposed in the hydraulic tank 14, and the hydraulic groove 14 is provided in the connecting member 20, the first cylinder block 7 and the second cylinder block 8 are provided with the piston plates 19 therein, and the piston plate 19 is connected with a positioning rod 10, the positioning rod 10 penetrates through the first cylinder body 7 and the second cylinder body 8, and the positioning rod 10 is connected with the main body 1 of the rock drill through a positioning pipe 11, a first compression spring 12 is arranged between the positioning pipe 11 and the first cylinder body 7 and between the positioning pipe and the second cylinder body 8, and the inner spaces among the first cylinder body 7, the first hydraulic pipe 24 and the ring groove pipe 2 and the inner spaces among the second cylinder body 8, the second hydraulic pipe 5 and the hydraulic groove 14 are filled with hydraulic oil 15, and a handle 6 is connected between the outer ends of the screw rods 4.
The structural shapes of the annular groove pipe 2 and the annular rod 13 are both annular, the annular groove pipe 2 is movably connected with the annular rod 13 in a nested mode, the axes of the annular groove pipe 2 and the annular rod 13 are overlapped, the annular rod 13 can conveniently displace relative to the annular groove pipe 2, the displacement direction is matched with the shape of the annular groove pipe 2, the damping device can stably exert the damping effect, and the capability of the second compression spring 18 to stably exert the vibration reduction effect of the annular rod 13 can be ensured.
The inside of first cylinder body 7 and second cylinder body 8 all is provided with 2 hydro-cylinders, and all is connected with piston plate 19 in 2 hydro-cylinders, 2 hydro-cylinders in the first cylinder body 7 and the second cylinder body 8 of being convenient for carry out the shock attenuation respectively to 2 screw rods 4 on the rock drill, are favorable to increasing this damping device's shock attenuation effect.
The size of the piston plate 19 in the first cylinder 7 is smaller than that of the first piston block 16 in the annular groove pipe 2, and the size of the piston plate 19 in the second cylinder 8 is smaller than that of the second piston block 23 in the hydraulic groove 14, so that the vibration feeling felt by the positioning rod 10 connected with the piston plate 19 can be reduced through the Pascal principle when large vibration can be transmitted to the piston plate 19 through the first piston block 16, and the vibration feeling felt by the positioning rod 10 connected with the piston plate 19 can be reduced through the Pascal principle when large vibration can be transmitted to the piston plate 19 through the second piston block 23, so that the vibration energy can be absorbed through the first compression spring 12 with the smaller stiffness coefficient.
The locating tube 11 adopts nested mode and locating lever 10 swing joint, and the even distribution of locating lever 10 on piston plate 19, can be convenient for the locating lever 10 take place the displacement for locating tube 11, and can be favorable to the stable shock attenuation that carries on of this damping device on the even dispersion of power that receives piston plate 19 to the first compression spring 12 in each locating lever 10 outside through locating lever 10.
Fixed ring 17 fixed connection is in the inboard of ring groove pipe 2, and fixed ring 17 adopts nested mode and annular pole 13 swing joint, and fixed ring 17's both sides all are provided with first piston block 16, first piston block 16 fixed connection is on annular pole 13 simultaneously, can be convenient for annular pole 13 when the vibrations that the transmission rock drill produced, make the second compression spring 18 distribution of fixed ring 17 both sides be tensile and compressed state, can be convenient for play absorbing effect, so that reduce the vibrations of annular pole 13, be favorable to reducing the impaired probability of annular pole 13, in order to increase its life.
Connecting piece 20 sets up with rock drill main part 1 for the integral structure, and the through-hole 21 axis collineation on connecting piece 20 and the rock drill main part 1, can be convenient for increase the structural stability of rock drill, and can be convenient for guarantee that screw rod 4 is stable runs through connecting piece 20 and the through-hole 21 on the rock drill main part 1 in proper order to be convenient for screw rod 4 dismantlement and installation on rock drill main part 1.
Seamless sliding connection is formed between the second piston block 23 and the hydraulic groove 14, between the annular groove pipe 2 and the first piston block 16, between the piston plate 19 and the first cylinder body 7, and between the piston plate 19 and the second cylinder body 8, so that the content of the hydraulic oil 15 in the hydraulic groove 14, the annular groove pipe 2, the first cylinder body 7 and the second cylinder body 8 can be changed through the movement of the second piston block 23, the first piston block 16 and the piston plate 19, and vibration energy can be transmitted and reduced conveniently.
The working principle is as follows: firstly, the rock drill damping device convenient for expansion work is installed on a rock drill main body 1, the rock drill main body 1 is taken to a use position, then a power supply of the rock drill main body 1 is connected, the rock drill main body 1 is used through a holding handle 6, when a worker holds the handle 6 and uses the rock drill main body 1, the rock drill main body 1 impacts a rock stratum to generate larger vibration energy, the vibration energy is transmitted to a ring groove pipe 2 through the rock drill main body 1, when an annular rod 13 generates displacement relative to the ring groove pipe 2, a first piston block 16 is pressed or pulled, the quantity of hydraulic oil 15 in the ring groove pipe 2 is further reduced or increased, according to the Pascal principle (the pressure intensity of each part of liquid is consistent), when the hydraulic oil 15 in the ring groove pipe 2 is reduced or increased, the hydraulic oil 15 in a first cylinder body 7 is correspondingly increased or reduced, and then the positioning rod 10 moves relative to a positioning pipe 11, thereby compressing or stretching the first compression spring 12 and thereby converting greater vibrational energy into less vibrational energy (the size of the first piston block 16 is greater than the size of the piston plate 19) so that the less stiff first compression spring 12 can absorb the vibrational energy;
in the above process, the second compression springs 18 on both sides of the fixing ring 17 move along with the first piston blocks 16 on both sides of the fixing ring 17, and can respectively assume a stretching state and a compressing state, so that the vibration received by the annular rod 13 can be further reduced, and the vibration energy transmitted to the lower end of the screw rod 4 can be reduced;
when a worker holds the handle 6 to use the rock drilling machine body 1, when the rock drilling machine body 1 impacts a rock formation to generate larger vibration energy and transmits the larger vibration energy to the connecting piece 20, the connecting piece 20 and the upper end of the screw rod 4 can shake relatively, in the relative shaking process of the two, the connecting piece 22 presses or pulls the second piston block 23, so that the amount of hydraulic oil 15 in the hydraulic groove 14 is reduced or increased, according to the Pascal principle (the pressure at each part of the liquid is consistent), when the hydraulic oil 15 in the hydraulic groove 14 is reduced or increased, the hydraulic oil 15 in the second cylinder 8 is correspondingly increased or reduced, so that the positioning rod 10 moves relative to the positioning pipe 11, and the first compression spring 12 is compressed or stretched, so that the larger vibration energy is converted into smaller vibration energy (the size of the second piston block 23 is larger than that of the piston plate 19), so that the first compression spring 12 with smaller stiffness coefficient can absorb the vibration energy, thereby being convenient for reducing the vibration energy transmitted to the upper end of the screw rod 4;
through the shock attenuation to screw rod 4 upper and lower both ends, can be convenient for reduce the vibrations that the staff experienced when gripping handle 6 and using rock drill main part 1, be favorable to increasing its use comfort, and can reduce the condition that the staff takes place the occupational disease to be favorable to improving staff's work efficiency, the content that does not do not describe in detail in this specification belongs to the prior art that the professional skilled person in the art knows.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A rock drill damping device facilitating deployment work, comprising a rock drill body (1), characterized by: the outer side of the rock drill main body (1) is connected with a ring groove pipe (2), a fixing ring (17) is connected in the ring groove pipe (2), an annular rod (13) penetrates through the fixing ring (17), a first piston block (16) is arranged on the annular rod (13), the first piston block (16) is connected with the fixing ring (17) through a second compression spring (18), the second compression spring (18) is nested on the outer side of the annular rod (13), the outer side of the annular rod (13) is connected with a fixing block (3), the fixing block (3) is connected with a screw rod (4), a groove (9) is arranged on the rock drill main body (1), a first cylinder body (7) and a second cylinder body (8) are arranged in the groove (9), the first cylinder body (7) is connected with the ring groove pipe (2) through a first hydraulic pipe (24), and the second cylinder body (8) is connected with a connecting piece (20) through a second hydraulic pipe (5), and the connecting piece (20) is connected on the rock drill main body (1), the connecting piece (20) and the rock drill main body (1) are both provided with a through hole (21), a screw rod (4) penetrates through the through hole (21), the screw rod (4) in the through hole (21) is connected with a connecting block (22), the connecting block (22) extends into the hydraulic groove (14) to be connected with a second piston block (23), the second piston block (23) is arranged in the hydraulic groove (14), the hydraulic groove (14) is arranged in the connecting piece (20), the first cylinder body (7) and the second cylinder body (8) are both internally provided with piston plates (19), the piston plates (19) are connected with positioning rods (10), the positioning rods (10) penetrate through the first cylinder body (7) and the second cylinder body (8), and the positioning rods (10) are connected with the rock drill main body (1) through positioning pipes (11), all be provided with first compression spring (12) between registration arm (11) and first cylinder body (7) and second cylinder body (8), and the inner space between first cylinder body (7), first hydraulic pressure pipe (24) and annular pipe (2) and the inner space between second cylinder body (8), second hydraulic pressure pipe (5) and hydraulic tank (14) all fill hydraulic oil (15), be connected with handle (6) between the outer end of screw rod (4).
2. A rock drill damping device to facilitate deployment work according to claim 1 wherein: the structural shapes of the annular groove pipe (2) and the annular rod (13) are both annular, the annular groove pipe (2) is movably connected with the annular rod (13) in a nesting mode, and the axes of the annular groove pipe (2) and the annular rod (13) are overlapped.
3. A rock drill damping device to facilitate deployment work according to claim 1 wherein: the screw rod (4) is connected with the connecting block (22) in a threaded connection mode, and the connecting block (22) is fixedly connected with the second piston block (23).
4. A rock drill damping device to facilitate deployment work according to claim 1 wherein: the inside of first cylinder body (7) and second cylinder body (8) all is provided with 2 hydro-cylinders, and all is connected with piston plate (19) in 2 hydro-cylinders.
5. A rock drill damping device to facilitate deployment work according to claim 1 wherein: the size of the piston plate (19) in the first cylinder body (7) is smaller than that of the first piston block (16) in the annular groove pipe (2), and the size of the piston plate (19) in the second cylinder body (8) is smaller than that of the second piston block (23) in the hydraulic groove (14).
6. A rock drill damping device to facilitate deployment work according to claim 1 wherein: the positioning pipe (11) is movably connected with the positioning rod (10) in a nesting mode, and the positioning rod (10) is uniformly distributed on the piston plate (19).
7. A rock drill damping device to facilitate deployment work according to claim 1 wherein: the hydraulic grooves (14) are communicated with the through holes (21), and the hydraulic grooves (14) are arranged at equal angles relative to the axis of the through holes (21).
8. A rock drill damping device to facilitate deployment work according to claim 1 wherein: fixed ring (17) fixed connection is in the inboard of ring groove pipe (2), and fixed ring (17) adopt nested mode and annular pole (13) swing joint to the both sides of fixed ring (17) all are provided with first piston block (16), and first piston block (16) fixed connection is on annular pole (13) simultaneously.
9. A rock drill damping device to facilitate deployment work according to claim 1 wherein: the connecting piece (20) and the rock drill main body (1) are arranged in an integrated structure, and the axes of the through holes (21) on the connecting piece (20) and the rock drill main body (1) are collinear.
10. A rock drill damping device to facilitate deployment work according to claim 1 wherein: and the second piston block (23) is connected with the hydraulic groove (14), the ring groove pipe (2) is connected with the first piston block (16), the piston plate (19) is connected with the first cylinder body (7) in a seamless sliding manner, and the piston plate (19) is connected with the second cylinder body (8) in a seamless sliding manner.
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CN201910280820.3A CN110067502B (en) | 2019-04-09 | 2019-04-09 | Rock drill damping device convenient to expand work |
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CN201910280820.3A CN110067502B (en) | 2019-04-09 | 2019-04-09 | Rock drill damping device convenient to expand work |
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CN110067502B true CN110067502B (en) | 2020-07-14 |
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SE445434B (en) * | 1983-08-01 | 1986-06-23 | Atlas Copco Ab | VIBRATION DUMP PRESSURE FLUID DRIVES |
CN87207346U (en) * | 1987-07-28 | 1988-03-09 | 陈士华 | Rotary drilling machine |
CN2683816Y (en) * | 2003-11-25 | 2005-03-09 | 焦鸿章 | Valveless hydraulic drill |
CN1920237B (en) * | 2006-09-18 | 2010-04-14 | 罗亮光 | Oil frog free energy-saving pusher leg drill |
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CN110067502A (en) | 2019-07-30 |
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