CN114001996A - Impact performance testing device and method for hydraulic rock drill - Google Patents
Impact performance testing device and method for hydraulic rock drill Download PDFInfo
- Publication number
- CN114001996A CN114001996A CN202111511907.0A CN202111511907A CN114001996A CN 114001996 A CN114001996 A CN 114001996A CN 202111511907 A CN202111511907 A CN 202111511907A CN 114001996 A CN114001996 A CN 114001996A
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- rock drill
- hydraulic
- mounting plate
- impact performance
- plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a device and a method for testing the impact performance of a hydraulic rock drill, which comprises a first mounting plate, a rock drill body and a multi-way valve bank, the inner side of the first mounting plate is symmetrically provided with a supporting movable guide rail, the top of the first mounting plate is provided with a fixed bracket through the supporting movable guide rail, the output end of the rock drill body is provided with a drill rod, the front surface of the first mounting plate is provided with a second mounting plate, the top of the second mounting plate is provided with a hydraulic pump, the output end of the hydraulic pump is provided with a connecting pipe, the output end of the hydraulic pump is provided with a multi-way valve set through a connecting pipe, one side of the multi-way valve set is provided with an oil inlet loop, the top in oil feed return circuit runs through and installs flowmeter and manometer, the third mounting panel is installed to one side of first mounting panel, the test computer is installed at the top of third mounting panel. The hydraulic control system has simple and reliable principle and simple pressure and flow regulation.
Description
Technical Field
The invention relates to the technical field of rock drill mechanical performance testing, in particular to a hydraulic rock drill impact performance testing device and method.
Background
The hydraulic rock drill impact performance test mainly comprises a rock drill hydraulic system and a vibration measurement device system, wherein the rock drill hydraulic system is mainly used for controlling the hydraulic system through a multi-way valve group, and a motor is used for driving a hydraulic pump to provide power for a hydraulic cylinder of the rock drill, so that a piston of the rock drill impacts a drill rod of the rock drill, and when the drill rod of the rock drill impacts a steel plate, the rock drill vibrates; the device and the method for testing the impact performance of the hydraulic rock drill can test the impact speed value of the drill rod, and can calculate the impact energy value of the rock drill through data processing.
The existing hydraulic rock drill impact performance testing device has the defects that:
1. traditional hydraulic rock drill impact property testing arrangement is not convenient for adjust pressure and flow.
Disclosure of Invention
The invention aims to provide a device and a method for testing the impact performance of a hydraulic rock drill, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic rock drill impact performance testing device and method comprises a first mounting plate, a rock drill body and a multi-way valve group, wherein supporting movable guide rails are symmetrically mounted on the inner side of the first mounting plate, a fixed support is mounted at the top of the first mounting plate through the supporting movable guide rails, a drill rod is mounted at the output end of the rock drill body, a second mounting plate is mounted on the front surface of the first mounting plate, a hydraulic pump is mounted at the top of the second mounting plate, a connecting pipe is mounted at the output end of the hydraulic pump, and the multi-way valve group is mounted at the output end of the hydraulic pump through the connecting pipe;
an oil inlet loop is installed on one side of the multi-way valve bank, and a flowmeter is installed at the top of the oil inlet loop in a penetrating mode;
the third mounting panel is installed to one side of first mounting panel, the test computer is installed at the top of third mounting panel, the bracing piece is installed at the top of third mounting panel.
Preferably, the fixed plate body is symmetrically installed on the outer side of the first installation plate, the hydraulic cylinder is installed on the inner wall of one side of the first installation plate, the hydraulic rod is installed at the output end of the hydraulic cylinder, and one end of the hydraulic rod is connected with one side of the fixed support.
Preferably, the cylinder steel cylinder is installed to the bottom symmetry of fixed bolster, and the outside of cylinder steel cylinder and the inboard looks gomphosis that supports the movable guide rail, and the steel sheet is installed at the top of fixed bolster, and the rock drill fixed plate is installed at the top of steel sheet, and the top of rock drill fixed plate is connected with the rock drill body.
Preferably, a fan-shaped reflecting plate is installed at the top of the drill rod, and a reflective label is installed on one side of the fan-shaped reflecting plate.
Preferably, the oil tank is installed at the top of the second mounting plate and is located in front of the hydraulic pump, an oil outlet of the oil tank is connected with an oil inlet end of the hydraulic pump, the motor is installed at the top of the second mounting plate, and an output end of the motor is connected with a driving end of the hydraulic pump.
Preferably, one side of the multi-way valve bank is installed on the oil return loop, the oil return loop is located behind the oil inlet loop, a pressure gauge is installed at the top of the oil inlet loop and located on one side of the flowmeter, and the oil inlet loop and the oil return loop are connected with the piston cavity of the rock drill body and the rotary motor respectively.
Preferably, the top of the third mounting plate is mounted on a data collection box, and the data collection box is positioned in front of the testing computer.
Preferably, a connecting wire is installed on one side of the test computer, and one end of the connecting wire is connected with the data acquisition box.
Preferably, the top end of the supporting rod is provided with a mounting frame, and a Doppler vibration measurement sensor is arranged in the mounting frame.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has simple and reliable principle, strong operability and simple pressure and flow regulation through the hydraulic control system, and the device has strong reliability by regulating the pressure and the flow through the overflow valve and the speed regulating valve.
2. The invention measures the maximum value of the impact speed of the rock drill under rated working pressure and flow, and can calculate the energy of the impact performance of the rock drill through related data processing.
3. All equipment of the vibration measuring device system in the invention is simple to operate, data acquisition is reliable, the speed value of the impact performance can be directly calculated through signal processing, and the human error of data processing is reduced, so that the data reliability is better.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic diagram of a first mounting plate structure according to the present invention;
FIG. 3 is a schematic view of the fixing bracket of the present invention;
FIG. 4 is a schematic diagram of a sector reflector structure according to the present invention;
FIG. 5 is a schematic diagram of a second mounting plate structure according to the present invention;
FIG. 6 is a schematic view of a multi-way valve set according to the present invention;
FIG. 7 is a schematic diagram of a test computer architecture of the present invention;
fig. 8 is a schematic view of the structure of the support rod of the present invention.
In the figure: 1. a first mounting plate; 101. a fixing plate body; 102. a hydraulic cylinder; 103. a hydraulic lever; 104. supporting the moving guide rail; 2. fixing a bracket; 201. a cylindrical steel cylinder; 202. a steel plate; 203. fixing a rock drill plate; 3. a rock drill body; 301. a drill rod; 302. a sector-shaped reflection plate; 303. a reflective label; 4. a second mounting plate; 401. an oil tank; 402. a motor; 403. a hydraulic pump; 404. a connecting pipe; 5. a multi-way valve bank; 501. an oil inlet loop; 502. a flow meter; 503. a pressure gauge; 504. an oil return circuit; 6. a third mounting plate; 601. a data collection box; 7. testing the computer; 701. a connecting wire; 8. a support bar; 801. installing a frame; 802. doppler vibration measurement sensor.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, an embodiment of the present invention is shown: a device and a method for testing the impact performance of a hydraulic rock drill;
embodiment one, including first mounting panel 1, fixed bolster 2, rock drill body 3 and second mounting panel 4, rock drill body 3 and multichannel valves 5, support removal guide rail 104 is installed to the inboard symmetry of first mounting panel 1, fixed plate body 101 is installed to the outside symmetry of first mounting panel 1, install pneumatic cylinder 102 on one side inner wall of first mounting panel 1, hydraulic cylinder 102's output is installed hydraulic rod 103, and one end of hydraulic rod 103 is connected with one side of fixed bolster 2, first mounting panel 1 plays the effect of supporting, be used for supporting the weight at top, fixed plate body 101 plays fixed effect, be used for fixing first mounting panel 1, hydraulic cylinder 102 can convert hydraulic energy into kinetic energy, drive hydraulic rod 103 and move, hydraulic rod 103 is through removing, can make fixed bolster 2 remove, support removal guide rail 104 provides the space for the slip of cylinder 201, the top of the first mounting plate 1 is provided with a fixed support 2 through a supporting moving guide rail 104, the bottom of the fixed support 2 is symmetrically provided with cylindrical steel cylinders 201, the outer sides of the cylindrical steel cylinders 201 are embedded with the inner sides of the supporting moving guide rails 104, the top of the fixed support 2 is provided with a steel plate 202, the top of the steel plate 202 is provided with a rock drill fixing plate 203, the top of the rock drill fixing plate 203 is connected with a rock drill body 3, the fixed support 2 provides mounting positions for the cylindrical steel cylinders 201 to enable the cylindrical steel cylinders to be mounted, the cylindrical steel cylinders 201 play a role in guiding and provide a role in moving the fixed support 2, the steel plate 202 is welded below the rock drill fixing plate 203, the steel plate 202 is fixed on the fixed support 2, the fixed support 2 is provided with two cylindrical steel cylinders 201 for fixedly supporting the two cylindrical steel cylinders 201 by the two rock drills and is matched with the supporting moving guide rails 104 on the first mounting plate 1 to facilitate the position moving of the rock drill body 3, the output end of the rock drill body 3 is provided with a drill rod 301, the top of the drill rod 301 is provided with a fan-shaped reflection plate 302, one side of the fan-shaped reflection plate 302 is provided with a reflection tag 303, after the rock drill body 3 obtains hydraulic power, a piston in the rock drill body 3 impacts a measured object to induce vibration of the drill rod 301 of the rock drill to generate an impact signal, the fan-shaped reflection plate 302 provides an installation position for the reflection tag 303 to enable the reflection tag 303 to be installed, the reflection tag 303 is used for providing a detection position for a Doppler vibration measurement sensor 802, the front surface of the first installation plate 1 is provided with a second installation plate 4, the top of the second installation plate 4 is provided with a hydraulic pump 403, the output end of the hydraulic pump is provided with a connecting pipe 404, the top of the second installation plate 4 is provided with an oil tank 401, the oil tank 401 is positioned in front of the hydraulic pump 403, and an oil outlet of the oil tank 401 is connected with an oil inlet end of the hydraulic pump 403, the top of the second mounting plate 4 is provided with a motor 402, the output end of the motor 402 is connected with the driving end of a hydraulic pump 403, the second mounting plate 4 provides a mounting position for a hydraulic mechanism on the top, the motor 402 can convert electric energy into kinetic energy after being electrified, the hydraulic pump 403 can be driven to provide power for a hydraulic cylinder 102 of the rock drill body 3, a piston of the rock drill body 3 impacts a drill rod 301 of the rock drill body 3, when the rock drill rod 301 impacts a tested object, the drill rod 301 on the rock drill body 3 is induced to vibrate, an oil tank 401 is used for storing hydraulic oil and provides a storage position for the hydraulic oil, a connecting pipe 404 plays a connecting role, the hydraulic oil can enter the multi-way valve group 5, and the output end of the hydraulic pump is provided with the multi-way valve group 5 through the connecting pipe 404.
Referring to fig. 6, an embodiment of the present invention: a device and a method for testing the impact performance of a hydraulic rock drill;
in the second embodiment, the rock drill comprises a multi-way valve group 5, an oil inlet loop 501 is installed on one side of the multi-way valve group 5, a flowmeter 502 is installed on the top of the oil inlet loop 501 in a penetrating manner, one side of the multi-way valve group 5 is installed on an oil return loop 504, the oil return loop 504 is located behind the oil inlet loop 501, a pressure gauge 503 is installed on the top of the oil inlet loop 501, the pressure gauge 503 is located on one side of the flowmeter 502, the oil inlet loop 501 and the oil return loop 504 are respectively connected with a piston cavity and a rotary motor of the rock drill body 3, the multi-way valve group 5 is integrated with a plurality of hydraulic valves and overflow valves, the multi-way valve group 5 is connected with the hydraulic cylinder 102 and the rock drill body 3 through a control output end of the multi-way valve group 5, the pressure gauge 503 is respectively connected in series with the rotary motor inside the rock drill body 3 and the oil inlet loop 501 and the oil return loop 504 of the piston cavity, the flow gauge 502 is further connected in series with the flowmeter 502, for the determination of the values of pressure and flow in the circuit.
Referring to fig. 5, 7 and 8, an embodiment of the present invention: a device and a method for testing the impact performance of a hydraulic rock drill;
the third embodiment comprises a third mounting plate 6, a testing computer 7 and a support rod 8, wherein the third mounting plate 6 is mounted on one side of the first mounting plate 1, the top of the third mounting plate 6 is mounted on the data acquisition box 601, the data acquisition box 601 is positioned in front of the testing computer 7, the data acquisition box 601 can process related data signals by being connected with the testing computer 7, the third mounting plate 6 provides mounting positions for the testing computer 7 and the support rod 8 on the top so as to be mounted, the testing computer 7 is mounted on the top of the third mounting plate 6, a connecting line 701 is mounted on one side of the testing computer 7, one end of the connecting line 701 is connected with the data acquisition box 601, the testing computer 7 plays a role in calculation, the connecting line 701 plays a role in connection, so that the testing computer 7 can be connected with the data acquisition box 601, the support rod 8 is mounted on the top of the third mounting plate 6, the installing frame 801 is installed on the top end of the supporting rod 8, the Doppler vibration measurement sensor 802 is installed inside the installing frame 801, the supporting rod 8 provides an installing position for the installing frame 801, the installing frame 801 can be installed, the installing frame 801 provides an installing position for the Doppler vibration measurement sensor 802 and is used for fixing the Doppler vibration measurement sensor 802, light emitted by the Doppler vibration measurement sensor 802 is aligned to the reflective label 303, and the vibration measurement effect can be achieved.
The working principle and the method are as follows: the hydraulic control system of the rock drill consists of a rock drill body 3, a hydraulic cylinder 102, a multi-way valve group 5, a motor 402 and a hydraulic pump 403, the hydraulic system of the rock drill utilizes the motor 402 to drive the hydraulic pump 403 to provide hydraulic power, the work of the hydraulic cylinder 102 and the rock drill is controlled through the multi-way valve group 5, the hydraulic cylinder 102 realizes that the rock drill body 3 is moved to a working position, after the rock drill body 3 obtains the hydraulic power, a piston in the rock drill body 3 impacts a measured object to induce the vibration of a rock drill rod 301 of the rock drill to generate an impact signal, and a vibration measuring device system consists of a reflective label 303, a Doppler vibration measuring sensor 802, a data acquisition box 601 and a test computer 7; firstly, adhering a reflective label 303 on a drill rod 301, fixing a Doppler vibration measurement sensor 802, connecting the reflective label 303 with a data acquisition box 601 to realize normal signal transmission, connecting the data acquisition box 601 with a test computer 7, carrying out processing of firstly closing data signals, aligning light rays emitted by the Doppler vibration measurement sensor 802 to the reflective label 303, firstly measuring the mass of a piston of a rock drill body 3 before an experiment, vertically fixing a fan-shaped reflection plate 302 on the drill rod 301, and keeping the distance from the end part of a drill rod tail to be 100-300 mm; the laser beam is adjusted to be directly transmitted to the sector reflecting plate 302, the power of the signals received by the vibration meter is ensured to be more than 50 percent of the transmitted signals, a hydraulic control system of the rock drill body 3 is driven to work normally, the drill rod 301 of the rock drill body 3 can realize impact motion, when the rock drill rod 301 impacts an impact object, the vibration measuring device works synchronously, signal information when the impact object is impacted is measured, data is output through the testing computer 7, the speed when the impact object is impacted is obtained, the maximum value of the piston impact speed of the rock drill body 3 under rated working pressure and flow is respectively measured, 5 times of tests are repeated, the arithmetic mean value of the maximum value of the impact speed is obtained, data processing is finally carried out, the impact energy of the rock drill body 3 is calculated according to a formula, and important parameters of the impact energy impact performance of the hydraulic rock drill body 3 can be calculated through the data processing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a hydraulic rock drill impact performance testing arrangement and method, includes first mounting panel (1), rock drill body (3) and multichannel valves (5), its characterized in that: the hydraulic rock drilling machine is characterized in that supporting and moving guide rails (104) are symmetrically mounted on the inner side of the first mounting plate (1), a fixed support (2) is mounted at the top of the first mounting plate (1) through the supporting and moving guide rails (104), a drill rod (301) is mounted at the output end of the rock drilling machine body (3), a second mounting plate (4) is mounted on the front surface of the first mounting plate (1), a hydraulic pump (403) is mounted at the top of the second mounting plate (4), a connecting pipe (404) is mounted at the output end of the hydraulic pump (403), and a multi-way valve bank (5) is mounted at the output end of the hydraulic pump (403) through the connecting pipe (404);
an oil inlet loop (501) is installed on one side of the multi-way valve bank (5), and a flowmeter (502) and a pressure gauge (503) penetrate through the top of the oil inlet loop (501);
third mounting panel (6) are installed to one side of first mounting panel (1), test computer (7) are installed at the top of third mounting panel (6), bracing piece (8) are installed at the top of third mounting panel (6).
2. The hydraulic rock drill impact performance testing device and method according to claim 1, characterized in that: the fixing plate body (101) is symmetrically installed on the outer side of the first installation plate (1), a hydraulic cylinder (102) is installed on the inner wall of one side of the first installation plate (1), a hydraulic rod (103) is installed at the output end of the hydraulic cylinder (102), and one end of the hydraulic rod (103) is connected with one side of the fixing support (2).
3. The hydraulic rock drill impact performance testing device and method according to claim 1, characterized in that: the bottom symmetry of fixed bolster (2) is installed cylinder steel cylinder (201), and the outside of cylinder steel cylinder (201) and the inboard looks gomphosis of supporting movable guide rail (104), and steel sheet (202) are installed at the top of fixed bolster (2), and rock drill fixed plate (203) are installed at the top of steel sheet (202), and the top of rock drill fixed plate (203) is connected with rock drill body (3).
4. The hydraulic rock drill impact performance testing device and method according to claim 1, characterized in that: the top of the drill rod (301) is provided with a fan-shaped reflecting plate (302), and one side of the fan-shaped reflecting plate (302) is provided with a reflective label (303).
5. The hydraulic rock drill impact performance testing device and method according to claim 1, characterized in that: an oil tank (401) is mounted at the top of the second mounting plate (4), the oil tank (401) is located in front of the hydraulic pump (403), an oil outlet of the oil tank (401) is connected with an oil inlet end of the hydraulic pump (403), a motor (402) is mounted at the top of the second mounting plate (4), and an output end of the motor (402) is connected with a driving end of the hydraulic pump (403).
6. The hydraulic rock drill impact performance testing device and method according to claim 1, characterized in that: one side of the multi-way valve group (5) is installed on the oil return loop (504), the oil return loop (504) is located behind the oil inlet loop (501), a pressure gauge (503) is installed at the top of the oil inlet loop (501), the pressure gauge (503) is located on one side of the flow meter (502), and the oil inlet loop (501) and the oil return loop (504) are connected with a piston cavity of the rock drill body (3) and the rotary motor respectively.
7. The hydraulic rock drill impact performance testing device and method according to claim 1, characterized in that: the top of the third mounting plate (6) is mounted on a data acquisition box (601), and the data acquisition box (601) is positioned in front of the testing computer (7).
8. The hydraulic rock drill impact performance testing device and method according to claim 1, characterized in that: a connecting line (701) is installed on one side of the testing computer (7), and one end of the connecting line (701) is connected with the data acquisition box (601).
9. The hydraulic rock drill impact performance testing device and method according to claim 1, characterized in that: the top end of the supporting rod (8) is provided with a mounting frame (801), and the Doppler vibration measurement sensor (802) is arranged inside the mounting frame (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111511907.0A CN114001996A (en) | 2021-12-07 | 2021-12-07 | Impact performance testing device and method for hydraulic rock drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111511907.0A CN114001996A (en) | 2021-12-07 | 2021-12-07 | Impact performance testing device and method for hydraulic rock drill |
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| Publication Number | Publication Date |
|---|---|
| CN114001996A true CN114001996A (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111511907.0A Pending CN114001996A (en) | 2021-12-07 | 2021-12-07 | Impact performance testing device and method for hydraulic rock drill |
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| CN (1) | CN114001996A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115356142A (en) * | 2022-10-21 | 2022-11-18 | 北京科技大学 | System and method for detecting performance of hydraulic rock drill |
-
2021
- 2021-12-07 CN CN202111511907.0A patent/CN114001996A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115356142A (en) * | 2022-10-21 | 2022-11-18 | 北京科技大学 | System and method for detecting performance of hydraulic rock drill |
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