CN210422456U - Butterfly valve type hydraulic impactor - Google Patents
Butterfly valve type hydraulic impactor Download PDFInfo
- Publication number
- CN210422456U CN210422456U CN201921082149.3U CN201921082149U CN210422456U CN 210422456 U CN210422456 U CN 210422456U CN 201921082149 U CN201921082149 U CN 201921082149U CN 210422456 U CN210422456 U CN 210422456U
- Authority
- CN
- China
- Prior art keywords
- flow distribution
- butterfly valve
- inner cylinder
- piston
- valve type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a butterfly valve type water pressure impactor, which comprises an inner cylinder, wherein an outer sleeve is coaxially assembled outside the inner cylinder, a piston is coaxially assembled inside the inner cylinder, two ends of the piston are positioned in the inner cylinder, a rear water chamber and a front water chamber are arranged at positions close to two ends of the piston in the inner cylinder, a flow distribution gap is formed between the outer wall of the inner cylinder and the inner wall of the outer sleeve and is communicated with the front water chamber, and a speed regulation flow distribution device which is used for carrying out intermittent flow distribution on the rear water chamber and the front water chamber and enabling the piston to realize moving impact in the inner cylinder is arranged inside the outer sleeve. Meanwhile, the working medium and the flushing medium are both water, so that the problem of dust pollution can be fundamentally solved.
Description
Technical Field
The utility model relates to a water pressure impacter, specific theory relates to an utilize water pressure drive, and it has high, the fast, the high butterfly valve formula water pressure impacter of energy utilization rate of pressure, rock drilling, belongs to rock drilling mechanical equipment technical field.
Background
The down-the-hole hammer is widely applied to the operations of foundation construction ground anchors, anchor cable fixing, mine blasting and the like, has a simple structure, is convenient to manufacture, use and maintain, can be normally used in various complicated geological layers, has interchangeability, can be installed on down-the-hole drills of various types, and is widely applied to various industrial fields by virtue of the advantages.
According to the difference of power sources, the down-the-hole impacter can be divided into pneumatic drive, hydraulic drive and water pressure drive, the most widely used at present is pneumatic down-the-hole impacter and then hydraulic down-the-hole impacter, the pneumatic down-the-hole impacter has simple structure, stable and reliable work and mature structure, the working principle is that high-pressure gas is used for pushing a piston to circularly reciprocate to impact a drill bit to release impact energy to do work, but with the continuous improvement of the requirement on the drilling speed in recent years, the down-the-hole impacter driven by high-pressure gas generated by an air compressor exposes a plurality: low pressure, low effective power and low drilling speed.
An air compressor is a device for compressing air to a certain pressure, and can be divided into a positive displacement type and a power type according to the working principle, taking a piston type air compressor as an example, the process of compressing air is completed by means of the continuous reciprocating motion of the piston in the cylinder, and the air has compressible physical property, which makes the output pressure of the air compressor difficult to reach a high level, although the technology of the air compressor is continuously developed, the output pressure reaches 2.5MPa at present, but the air compressor is far less than a down-the-hole impactor taking liquid as a working medium, and the high-pressure air compressor is expensive and noisy, and the air is more and more rarefied along with the increase of the altitude, so that the efficiency of the air compressor used in the plateau area is greatly reduced, in addition, a large amount of dust is generated in the mine drilling operation, and the dust can increase the severity of working conditions and damage the health of field constructors; on the other hand, a large amount of dust can pollute the environment, so that constructors can reduce the dust by a method of injecting water into the gas, the method can reduce the dust pollution degree to a certain extent, and the problem of the dust cannot be fundamentally solved.
The hydraulic down-the-hole impacter has various types, such as positive action, reverse action, double action, jet flow type, jet suction type and the like, and the basic principle is that the water hammer effect is utilized, namely the dynamic pressure of water or slurry is utilized to push a piston to do work, the working mechanism can solve the problem of dust, but the pumping pressure is low, the efficiency is low, and the drilling speed cannot meet the construction requirement easily.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide an utilize water pressure drive, it has high, the fast, the high butterfly valve formula water pressure impacter of energy utilization of pressure.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a butterfly valve formula water pressure impacter, including the inner casing, the coaxial outer tube that is equipped with in outside of inner casing, the coaxial piston that is equipped with in inside of inner casing, the both ends of piston are located the inner casing, the both ends position that is close to the piston in the inner casing is provided with back hydroecium and preceding hydroecium, be formed with the flow distribution clearance between the outer wall of inner casing and the outer tube inner wall, the flow distribution clearance communicates with preceding hydroecium, the inside speed governing flow distribution device that is used for carrying out intermittent type nature flow distribution and makes the piston realize removing the impact in the inner casing that is provided with of outer tube.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the outer sleeve is internally provided with a filter, the filter is positioned in the outer sleeve and close to the rear end of the outer sleeve, and a filter screen is arranged in the filter.
Further optimization: and a flow distribution chamber is arranged at the front end of the filter in the outer sleeve and is communicated with the filter through a flow distribution hole.
Further optimization: the speed regulation flow distribution device comprises a flow distribution seat which is arranged in the flow distribution chamber and is positioned at the rear end of the inner cylinder, the center position of the rear end of the flow distribution seat is fixedly connected with a speed regulation spray head, and the speed regulation spray head is communicated with the filter.
Further optimization: and a bent distribution flow channel and a direct distribution flow channel are respectively arranged in the distribution seat, two ends of the bent distribution flow channel are respectively communicated with the distribution chamber and the distribution gap, and two ends of the direct distribution flow channel are respectively communicated with the distribution chamber and the rear water chamber.
Further optimization: and a butterfly valve plate for switching the on-off of the bent distribution flow channel and the direct distribution flow channel along with the water pressure is movably arranged on the speed regulating nozzle.
Further optimization: the central position in the flow distribution seat is provided with a central pore passage communicated with the speed regulating spray head, and the front end of the central pore passage is communicated with the rear water chamber.
Further optimization: the piston and the drill bit are respectively and coaxially provided with a central discharge bottom hole, and high-pressure water in the speed regulating spray head is discharged through the central pore passage and the central discharge bottom hole.
Further optimization: and a plurality of spherical pits are distributed on the outer circular surface of the piston.
Further optimization: and the inner cylinder is provided with a lubricating hole, and high-pressure water in the flow distribution gap flows into the spherical pit through the lubricating hole.
The utility model adopts the above technical scheme, when using, the water inlet that flows through under high pressure falls into two tunnel after getting into the filter: one path enters a central pore passage of the flow distribution seat through a jet passage of the speed regulating nozzle, and then is discharged through a central discharge bottom hole of the piston and the drill bit, so that rock powder is removed by flushing a hole drilling passage.
The speed regulation nozzle can adjust the high-pressure water discharged into the central pore passage and can adjust the high-pressure water according to different rock types, so that the energy is saved, and the working efficiency of the impactor is improved.
The other path enters the flow distribution chamber through the flow distribution hole, and is filled with high-pressure water, when the piston moves to the position shown in figure 5, the high-pressure water in the flow distribution chamber enters the rear water chamber through the direct distribution flow channel, and then is discharged through the center discharge bottom hole of the piston and the drill bit, so that the water pressure of the rear water chamber is lower than that of the flow distribution chamber at the moment, and one side of the butterfly valve plate moves downwards under the action of pressure difference to abut against the rear end surface of the flow distribution seat so as to close the direct distribution flow channel;
meanwhile, the other side of the butterfly valve plate is lifted, and high-pressure water flow enters the flow distribution gap from the flow distribution chamber through the bent flow distribution channel and then enters the front water chamber; at the moment, the front water chamber is filled with high-pressure water, the piston is pushed backwards, and the piston moves backwards;
when the piston moves to the position shown in fig. 6, the front water chamber is communicated with the central hole of the guide sleeve, high-pressure water is discharged into the bottom of the hole, simultaneously the state of the butterfly valve plate is changed, the bent distribution flow passage is closed, the straight distribution flow passage is opened, the rear water chamber is filled with the high-pressure water, and the piston decelerates;
when the piston is static, the high-pressure water in the rear water chamber pushes the piston forwards, the piston moves forwards in an accelerated manner until the impact energy is released by impacting the drill bit, and the impactor completes the working cycle.
The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, use the water under high pressure as working medium, utilize the butterfly valve block to receive the water pressure differential effect to move and realize the distribution function to the water under high pressure, water under high pressure drive piston reciprocating motion, striking drill bit transmission impact energy realizes the rock drilling, and it has the advantage that pressure height, drilling speed are fast, energy utilization is high, simultaneously because its working medium and flushing medium are water, consequently can fundamentally solve the dust pollution problem.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a filter and a speed-regulating nozzle according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a speed-regulating flow-distributing device in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a piston in an embodiment of the present invention;
FIG. 5 is a schematic diagram of the embodiment of the present invention illustrating the operation of the piston moving forward;
fig. 6 is a schematic diagram illustrating the operation of the embodiment of the present invention when the piston moves backward.
In the figure: 1-rear joint; 2-outer sleeve; 3-a filter; 4-filtering with a filter screen; 5-a butterfly valve plate; 6-speed regulating spray head; 7-distributing base; 8-a piston; 9-a guide sleeve; 10-front joint; 11-a drill bit; 12-a water inlet; 13-jet channel; 14-a distributing hole; 15-bending and distributing a flow channel; 16-a direct distribution flow channel; 17-flow distribution gap; 18-a central bore; 19-rear water chamber; 20-front water chamber; 21-spherical pits; 22-a distribution chamber; 23-a lubrication hole; 24-inner cylinder.
Detailed Description
1. Example (b): as shown in fig. 1-4, a butterfly valve type hydraulic impactor comprises an inner cylinder 24, an outer sleeve 2 is coaxially assembled outside the inner cylinder 24, a piston 8 is coaxially assembled inside the inner cylinder 24, two ends of the piston 8 are positioned inside the inner cylinder 24, a rear water chamber 19 and a front water chamber 20 are arranged in the inner cylinder 24 and close to two ends of the piston 8, a flow distribution gap 17 is formed between the outer wall of the inner cylinder 24 and the inner wall of the outer sleeve 2, the flow distribution gap 17 is communicated with the front water chamber 20, and a speed and flow distribution device for intermittently distributing flow to the rear water chamber 19 and the front water chamber 20 and enabling the piston 8 to move and impact inside the inner cylinder 24 is arranged inside the outer sleeve 2.
As shown in fig. 1, the two ends of the outer sleeve 2 are respectively connected with a rear joint 1 and a front joint 10.
Mining screw threads are machined at the front end and the rear end of the rear joint 1, the front end of the rear joint 1 is connected with the rear end of the outer sleeve 2 through the screw threads, and the screw threads at the rear end of the rear joint are used for being connected with a water pump guide pipe.
The front joint 10 is connected with the front end of the outer sleeve 2, and a drill bit 11 is assembled on the front joint 10.
The inner center of the rear joint 1 is provided with a through hole to form a water inlet 12, and high-pressure water conveyed by the water pump conduit enters the outer sleeve 2 through the water inlet 12.
As shown in fig. 1-2, a filter 3 is disposed in the outer sleeve 2 and is communicated with the water inlet 12, and a filter screen 4 is disposed in the filter 3.
A distribution chamber 22 communicated with the filter 3 is arranged at the front end of the filter 3 in the outer sleeve 2, and the distribution chamber 22 is communicated with the filter 3 through a distribution hole 14.
As shown in fig. 1 and 3, the speed-regulating flow-distributing device includes a flow-distributing base 7 disposed in the flow-distributing chamber 22 and located at the rear end of the inner cylinder 24, a speed-regulating nozzle 6 is fixedly connected to the center position of the rear end of the flow-distributing base 7, and the speed-regulating nozzle 6 is communicated with the filter 3.
By the design, high-pressure water flows into the filter 3 through the water inlet 12 and then is divided into two paths: one path enters the injection channel 13 of the speed regulating nozzle 6, and the other path enters the distributing chamber 22 through the distributing hole 14.
The flow distribution seat 7 is internally provided with a bent flow distribution channel 15 and a straight flow distribution channel 16 respectively, two ends of the bent flow distribution channel 15 are communicated with the flow distribution chamber 22 and the flow distribution gap 17 respectively, and two ends of the straight flow distribution channel 16 are communicated with the flow distribution chamber 22 and the rear water chamber 19 respectively.
By adopting the design, the bent distribution flow passage 15 and the straight distribution flow passage 16 which are arranged in the distribution base 7, the high-pressure water entering the distribution chamber 22 can enter the rear water chamber 19 through the bent distribution flow passage 15 and the distribution gap 17 and enter the front water chamber 20 through the straight distribution flow passage 16.
The speed regulation nozzle 6 is movably provided with a butterfly valve plate 5 for switching the on-off of the bent distribution channel 15 and the direct distribution channel 16 along with the water pressure, and the butterfly valve plate 5 is propped against the rear end face of the distribution base 7.
The central position in the flow distribution seat 7 is provided with a central pore passage 18 communicated with the injection passage 13, and the front end of the central pore passage 18 is communicated with a rear water chamber 19.
As shown in fig. 1-4, the piston 8 and the drill bit 11 are respectively provided with a central discharge bottom hole coaxially.
By the design, high-pressure water flows into the filter 3 through the water inlet 12 and then is divided into two paths: one path enters the injection channel 13 of the speed regulating nozzle 6 and then enters the central pore channel 18, and then is discharged through the central discharge bottom hole of the piston 8 and the drill bit 11, so that rock powder is removed by flushing the drilled channel.
The speed regulation spray head 6 can regulate the amount of high-pressure water discharged into the central pore passage 18 and can regulate the high-pressure water according to different rock types, so that energy is saved, and the working efficiency of the impactor is improved.
As shown in fig. 1, a guide sleeve 9 for guiding a piston 8 to strike a drill bit 11 is provided in the outer sleeve 2 behind the front joint 10.
As shown in fig. 1 and 4, a plurality of spherical pits 21 are distributed on the outer circumferential surface of the piston 8, a lubricating hole 23 is formed on the inner cylinder 24, and high-pressure water in the flow distribution gap 17 flows into the spherical pits 21 through the lubricating hole 23, so that a high-pressure water film is formed outside the piston 8 to realize lubrication and friction reduction.
As shown in fig. 1 and 5-6, in use, high pressure water enters the filter 3 through the inlet 12 and is split into two paths: one path enters a central pore passage 18 of the distributing seat 7 through a jet passage 13 of the speed regulating nozzle 6, and then is discharged through a central discharge bottom hole of the piston 8 and the drill bit 11, so that rock powder is removed by flushing a hole drilling passage.
The speed regulation spray head 6 can regulate the amount of high-pressure water discharged into the central pore passage 18 and can regulate the high-pressure water according to different rock types, so that energy is saved, and the working efficiency of the impactor is improved.
The other path enters the flow distribution chamber 22 through the flow distribution hole 14, the flow distribution chamber is filled with high-pressure water, when the piston 8 moves to the position shown in fig. 4, the high-pressure water in the flow distribution chamber 22 enters the rear water chamber 19 through the direct flow distribution channel 16 and is discharged through the center discharge bottom hole of the piston 8 and the drill bit 11, so that the water pressure of the rear water chamber 19 is lower than that of the flow distribution chamber 22, and one side of the butterfly valve plate 5 is moved downwards under the action of pressure difference to abut against the rear end surface of the flow distribution base 7 to close the direct flow distribution channel 16;
meanwhile, the other side of the butterfly valve plate is lifted, and high-pressure water flow enters the flow distribution gap 17 from the flow distribution chamber 22 through the bent flow distribution channel 15 and then enters the front water chamber 20; at this time, the front water chamber 20 is filled with high-pressure water, the piston 8 is pushed backwards, and the piston 8 moves backwards;
when the piston 8 moves to the position shown in fig. 5, the front water chamber 20 is communicated with the central hole of the guide sleeve 9, high-pressure water is discharged into the bottom of the hole, simultaneously the state of the butterfly valve plate 5 is changed, the bent distribution flow passage 15 is closed, the straight distribution flow passage 16 is opened, the rear water chamber 19 is filled with high-pressure water, and the piston 8 decelerates;
when the piston 8 is at rest, the high-pressure water in the rear water chamber 19 pushes the piston 8 forwards, the piston 8 moves forwards in an accelerated manner until the impact energy is released by impacting the drill bit 11, and the impactor completes a working cycle.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (10)
1. A butterfly valve type hydraulic impactor comprises an inner cylinder (24), wherein an outer sleeve (2) is coaxially assembled outside the inner cylinder (24), a piston (8) is coaxially assembled inside the inner cylinder (24), and the butterfly valve type hydraulic impactor is characterized in that: the two ends of the piston (8) are located in the inner cylinder (24), a rear water chamber (19) and a front water chamber (20) are arranged at the positions, close to the two ends of the piston (8), in the inner cylinder (24), a flow distribution gap (17) is formed between the outer wall of the inner cylinder (24) and the inner wall of the outer sleeve (2), the flow distribution gap (17) is communicated with the front water chamber (20), and a speed-regulating flow distribution device which is used for intermittently distributing flow to the rear water chamber (19) and the front water chamber (20) and enabling the piston (8) to move and impact in the inner cylinder (24) is arranged inside the outer sleeve (2).
2. A butterfly valve type hydraulic impactor according to claim 1 wherein: be provided with filter (3) in outer tube (2), the filter is located outer tube (2) and is close to the rear end position of outer tube (2), the internally mounted of filter (3) has filter screen (4).
3. A butterfly valve type hydraulic impactor according to claim 2 wherein: the front end of the filter (3) in the outer sleeve (2) is provided with a flow distribution chamber (22), and the flow distribution chamber (22) is communicated with the filter (3) through a flow distribution hole (14).
4. A butterfly valve type hydraulic impactor according to claim 3 wherein: the speed-regulating flow distribution device comprises a flow distribution seat (7) which is arranged in a flow distribution chamber (22) and is positioned at the rear end of an inner cylinder (24), a speed-regulating spray head (6) is fixedly connected to the center position of the rear end of the flow distribution seat (7), and the speed-regulating spray head (6) is communicated with a filter (3).
5. A butterfly valve type hydraulic impactor according to claim 4 wherein: the flow distribution seat (7) is internally provided with a bent flow distribution channel (15) and a straight flow distribution channel (16) respectively, two ends of the bent flow distribution channel (15) are communicated with the flow distribution chamber (22) and the flow distribution gap (17) respectively, and two ends of the straight flow distribution channel (16) are communicated with the flow distribution chamber (22) and the rear water chamber (19) respectively.
6. A butterfly valve type hydraulic impactor according to claim 5 wherein: and a butterfly valve plate (5) for switching the on-off of the bent distribution flow channel (15) and the direct distribution flow channel (16) along with the water pressure is movably arranged on the speed regulating nozzle (6).
7. A butterfly valve type hydraulic impactor according to claim 6 wherein: the central position in the flow distribution seat (7) is provided with a central pore passage (18) communicated with the speed regulating spray head (6), and the front end of the central pore passage (18) is communicated with the rear water chamber (19).
8. A butterfly valve type hydraulic impactor according to claim 7 wherein: the piston (8) and the drill bit (11) are respectively and coaxially provided with a central discharge bottom hole, and high-pressure water in the speed regulating spray head (6) is discharged through the central hole passage (18) and the central discharge bottom hole.
9. A butterfly valve type hydraulic impactor according to claim 8 wherein: a plurality of spherical pits (21) are distributed on the outer circular surface of the piston (8).
10. A butterfly valve type hydraulic impactor according to claim 9 wherein: the inner cylinder (24) is provided with a lubricating hole (23), and high-pressure water in the flow distribution gap (17) flows into the spherical pit (21) through the lubricating hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082149.3U CN210422456U (en) | 2019-07-11 | 2019-07-11 | Butterfly valve type hydraulic impactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082149.3U CN210422456U (en) | 2019-07-11 | 2019-07-11 | Butterfly valve type hydraulic impactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210422456U true CN210422456U (en) | 2020-04-28 |
Family
ID=70380207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921082149.3U Active CN210422456U (en) | 2019-07-11 | 2019-07-11 | Butterfly valve type hydraulic impactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210422456U (en) |
-
2019
- 2019-07-11 CN CN201921082149.3U patent/CN210422456U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018099262A1 (en) | Rock drilling, swelling and chiselling combined machine based on high-pressure foam medium | |
| CN108979539B (en) | A kind of mechanical rock fracture in dynamic indentation equipment of motor driven super-high pressure pulse jet stream auxiliary | |
| CN109372424B (en) | Composite impact speed-increasing drilling tool for coiled tubing | |
| CN216642002U (en) | Device for rapidly drilling hard rock | |
| CN103174379A (en) | Cyclone high wind pressure down-hole hammer with tail pipe | |
| CN203296725U (en) | Through type DTH hammer reverse circulation drilling dust collecting device | |
| CN105350909B (en) | One kind energy-conservation cluster combination hammer | |
| CN210422456U (en) | Butterfly valve type hydraulic impactor | |
| CN103161415A (en) | Negative pressure drilling system | |
| CN100582433C (en) | Hole bottom annular spacing strong suction device of through type down-the-hole hammer | |
| CN103388465A (en) | Downhole device using hydraulic jets of parallel tubes to flush pulverized coal | |
| CN111877978A (en) | Hydraulic impactor | |
| CN108625784B (en) | Hydraulic pressurizing jet drilling tool | |
| CN203348209U (en) | Hydraulic impactor | |
| CN210343218U (en) | Hydraulic impactor | |
| CN115874917A (en) | Reverse impact hydraulic down-the-hole hammer | |
| CN214248418U (en) | Check valve | |
| CN211368870U (en) | Crawler-type high-pressure clean water pump station for coal mine | |
| CN105587985A (en) | Atomized lubricator for down-the-hole drill | |
| CN114293915B (en) | Device and method for rapidly drilling hard rock | |
| CN213775230U (en) | Low wind pressure down-the-hole hammer | |
| CN112627720A (en) | High-efficiency injection-suction type hydraulic impactor | |
| CN213330879U (en) | Low wind pressure down-the-hole impacter | |
| CN2601294Y (en) | Impact viberating drilling appts. | |
| CN209483208U (en) | A kind of impact injection boring means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |