CN107621379A - A kind of drill jumbo testing equipment - Google Patents
A kind of drill jumbo testing equipment Download PDFInfo
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- CN107621379A CN107621379A CN201711027579.0A CN201711027579A CN107621379A CN 107621379 A CN107621379 A CN 107621379A CN 201711027579 A CN201711027579 A CN 201711027579A CN 107621379 A CN107621379 A CN 107621379A
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- drill jumbo
- load
- drill
- testing equipment
- rock
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 239000011435 rock Substances 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000005553 drilling Methods 0.000 claims abstract description 34
- 230000033001 locomotion Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000001737 promoting effect Effects 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 238000004088 simulation Methods 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 13
- 238000010276 construction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention discloses a kind of drill jumbo testing equipment, including test-bed and it is installed on the revolution load simulating device of test-bed, promote load simulating device and slide guide device, the rotary drive mechanism for the drilling rod rotation that revolution load simulating device includes being used to transmit drill jumbo and the revolution load power mechanism that revolution load is simulated for providing, load simulating device is promoted to include being used for the rock simulated block to offset with the drill bit of drill jumbo, for transmitting the propulsion load power mechanism for promoting transmission mechanism and propulsion load being simulated for providing of drill bit linear motion, rock simulated block can be with drill bit synchronous axial system, slide guide device includes being used for the jacking block to offset with the forward beam of drill jumbo and the support guide mechanism for supporting and being oriented to propulsion transmission mechanism movement.Drill bit is avoided with respect to heating problem caused by Relative friction motion between rock simulated block, equipment attrition caused by only two kinds of equipment processing simultaneously is moved.
Description
Technical field
The present invention relates to rock drilling equipment field, more particularly to a kind of drill jumbo testing equipment.
Background technology
Although carrying out the popularity more and more higher of constructing tunnel using shield machine in recent years, domestic outer tunnel is using brill
The ratio of quick-fried method construction is still very big, is not suitable for turning into using the tunnel of shield, drilling and blasting method especially for some geological conditions
The method for tunnel construction that each unit in charge of construction generally uses.Traditional Man pneumatic rock drilling drilling labor intensity is big, and working environment is severe,
It has been unsatisfactory for requirement of the society to the rock drill product feature of environmental protection and operation comfort.Drill jumbo due to efficiency of construction it is high,
The many merits such as automaticity is high, labor intensity is small, the feature of environmental protection is good, it has also become the important equipment of modern drill bursting construction, and
There is the trend constantly popularized.Rock drill is the unit head that drill jumbo carries out rock drilling drilling, long-term will bear during rock drilling high-frequency,
The percussion of high-energy, its quality directly affect the overall performance of drill jumbo, and therefore, its reliability is very crucial.Chisel
After rock bench car is offline, it usually needs delivery test and parameter testing work are carried out, and in general drill jumbo manufacturing enterprise is from ore deposit
The job sites such as mountain, tunnel farther out, such as use on-the-spot test, and drill jumbo needs to carry out long-distance transportation using large truck,
And will also special distribution water distribution at the construction field (site), it is with high costs.To meet delivery test and parameter testing, drill jumbo production enterprise
Industry often carries out test boring and systematic parameter debugging efforts, every drill jumbo using square building stones or cement block to be needed when dispatching from the factory
Several blocks of building stones or cement block are drilled, only spends the money on building stones or cement block to be just up to as many as tens thousand of members, virtually adds and set
Standby cost, cost becomes apparent from when particularly producing in enormous quantities, and working condition when can simulate normal rock drilling to reach and reduction try
Cost requirement is tested, it is necessary to design a set of repeatable utilization and the impact, revolution and propulsion three of rock drilling machine hydraulic system can be realized
The loading device of motion, to reach the parameter of the performance test of rock drill and rock drilling drilling and anti-sticking pricker Automatic hydraulic control system
Calibrating function.
In the prior art, testing equipment typically promotes load using propelling cylinder simulation, and utilizes brake simulation revolution
Load.Directly acted on due to the drill bit of rock drill on the piston rod of propelling resistance oil cylinder, bit of rock drilling machine is pressed in propelling resistance
When the piston rod of oil cylinder carries out impact rotating motion, power is transmitted to propelling resistance oil cylinder, make piston rod in cylinder tube simultaneously
Do circumferential revolution and axial linear movement, the seal on piston easily damages in the case where both direction is moved and acted on simultaneously, reliably
Property is poor.Further, since revolution needs to consider heat dissipation problem for a long time by brake friction effect consumption kinetic energy.Further, since
Drill jumbo forward beam and rock drill pipeline need to be connected to testboard during experiment, complete the time length of experiment.
Therefore, how a kind of low cost is provided, repeats utilization, is easy to operate and the energy various rock drilling operating modes of real simulation
Drill jumbo testing equipment is the current technical issues that need to address of those skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of drill jumbo testing equipment, low cost, repeatable utilization, easy to operate and energy
The various rock drilling operating modes of real simulation.
In order to solve the above technical problems, the present invention provides a kind of drill jumbo testing equipment, including test-bed and peace
Revolution load simulating device loaded on the test-bed, load simulating device and slide guide device are promoted, the revolution is born
The rotary drive mechanism and simulate revolution load for providing that the drilling rod that carrying analogue means includes being used to transmit drill jumbo rotates
Revolution load power mechanism, it is described to promote load simulating device to include being used to simulate with the rock that the drill bit of drill jumbo offsets
Block, the propulsion load power machine for promoting transmission mechanism and propulsion load being simulated for providing for transmitting drill bit linear motion
Structure, the rock simulated block can be with drill bit synchronous axial systems, and the slide guide device includes being used for the propulsion with drill jumbo
The jacking block that beam offsets and the support guide mechanism for supporting and being oriented to the propulsion transmission mechanism movement.
Preferably, the rotary drive mechanism includes speed increaser and is installed on the travelling gear of the speed increaser input shaft,
The external tooth that the travelling gear is used to set outside the threaded connecting sleeve with drill jumbo engages, the revolution load power mechanism
Including connecting the hydraulic pump of the output shaft of the speed increaser and being arranged at the first proportional pressure control valve of the hydraulic pump outlet.
Preferably, the revolution load simulation mounting seat of forward beam, the speed increaser and the hydraulic pump are installed in addition to
It is installed on the revolution load simulation mounting seat.
Preferably, the support guide mechanism includes two guiding mounting seats for being installed on the test-bed, two institutes
State to be oriented between mounting seat and be provided with lead, the bearing of trend of the lead parallel to drilling rod bearing of trend, it is described to lead
Installing plate for connecting the propulsion transmission mechanism is installed, the installing plate can be along the extension of the lead on to post
Move in direction.
Preferably, be provided with the one side of the rock simulated block can be with the rock simulated block for the installing plate
The plane bearing that offsets of the back side.
Preferably, including two installing plates, spring mounting seat and spring are separately installed with two installing plates
Guide holder, spring, the spring mounting seat and the spring are provided between the spring mounting seat and the spring guide holder
Guide holder can contact the rock simulated block and the propulsion load power mechanism respectively.
Preferably, the propulsion load power mechanism includes horizontally disposed hydraulic jack and is arranged at the hydraulic jack
Second proportional pressure control valve of rodless cavity hydraulic fluid port.
Preferably, the pipeline between the hydraulic pump outlet and first proportional pressure control valve passes through two solenoid directional control valves
Connect the pipeline between the hydraulic jack rodless cavity hydraulic fluid port and second proportional pressure control valve.
Preferably, the hydraulic motor and cooler of the connection hydraulic pump are included.
Preferably, height regulation supporting leg is provided with below the test-bed.
The present invention provides a kind of drill jumbo testing equipment, including test-bed and time for being installed on the test-bed
Turn load simulating device, promote load simulating device and slide guide device, the revolution load simulating device includes being used to pass
Pass the drilling rod rotary drive mechanism rotated of drill jumbo and the revolution load power mechanism loaded for offer simulation revolution, institute
State promote load simulating device to include being used to offset with the drill bit of drill jumbo rock simulated block, for transmitting drill bit straight line fortune
Dynamic to promote transmission mechanism and simulate the propulsion load power mechanism for promoting load for providing, the rock simulated block can be with
Drill bit synchronous axial system, the slide guide device include the jacking block to be offseted for the forward beam with drill jumbo and for supporting simultaneously
It is oriented to the support guide mechanism of the propulsion transmission mechanism movement.
Drill jumbo testing equipment provided by the invention, drill bit and rock simulated block are to contacting, and rock simulated block can
With drill bit synchronous axial system, drill bit is avoided with respect to heating problem caused by Relative friction motion between rock simulated block, is passed through simultaneously
Only to load power mechanism transmission linear motion is promoted after rock simulated block, prevent from setting caused by the two kinds of motions of equipment while processing
Standby abrasion, during experiment, it is only necessary to simple installation can carry out all kinds of test jobs, without carrying out the dismounting work of fluid pressure line,
The spatter property of drill jumbo hydraulic system is ensure that, reduces the source of trouble that drill jumbo is brought due to artificial origin, meanwhile, examination
Test platform can simulate cavity fast forward through, the various working such as card pricker, meet that the anti-sticking pricker of full-computerized and Fully-hydraulic drilling rig is automatic
The parameter regulation or calibrating function of rock drilling hydraulic system.
Brief description of the drawings
Fig. 1 is a kind of scheme of installation of embodiment of drill jumbo testing equipment provided by the present invention；
Fig. 2 is a kind of schematic front view of embodiment of drill jumbo testing equipment provided by the present invention；
Fig. 3 is a kind of schematic top plan view of embodiment of drill jumbo testing equipment provided by the present invention；
Fig. 4 is a kind of hydraulic schematic diagram of embodiment of drill jumbo testing equipment provided by the present invention.
Embodiment
The core of the present invention is to provide a kind of drill jumbo testing equipment, low cost, repeatable utilization, easy to operate and energy
The various rock drilling operating modes of real simulation.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 to Fig. 4 is refer to, Fig. 1 is a kind of embodiment of drill jumbo testing equipment provided by the present invention
Scheme of installation；Fig. 2 is a kind of main view signal of embodiment of drill jumbo testing equipment provided by the present invention
Figure；Fig. 3 is a kind of schematic top plan view of embodiment of drill jumbo testing equipment provided by the present invention；Fig. 4 is this
A kind of hydraulic schematic diagram of embodiment of the provided drill jumbo testing equipment of invention.
A kind of drill jumbo testing equipment that the specific embodiment of the invention provides, including test-bed 1 and be installed on
The revolution load simulating device 2 of test-bed 1, promote load simulating device 3 and slide guide device 4, revolution load simulation dress
Put rotary drive mechanism and the returning for offer simulation revolution load that 2 drilling rods 61 for including being used to transmit drill jumbo 6 rotate
Turn load power mechanism, promote load simulating device 3 to include being used for the rock simulated block to offset with the drill bit 62 of drill jumbo 6
31st, for transmitting the propulsion transmission mechanism of the linear motion of drill bit 62 and simulating the propulsion load power machine for promoting load for providing
Structure, rock simulated block 31 can be with the synchronous axial systems of drill bit 62, and slide guide device 4 includes being used for the forward beam with drill jumbo 6
63 jacking blocks 41 to offset and the support guide mechanism for supporting and being oriented to propulsion transmission mechanism movement.Can also be in test-bed 1
Lower section is provided with height regulation supporting leg 5.
Specifically, rotary drive mechanism includes speed increaser 21 and is installed on the travelling gear 22 of the input shaft of speed increaser 21, passes
Moving gear 22 is used to engage with the external tooth that the outside of the threaded connecting sleeve of drill jumbo 6 64 is set, and revolution load power mechanism includes
Connect the hydraulic pump 23 of the output shaft of speed increaser 21 and be arranged at the first proportional pressure control valve 24 of the outlet of hydraulic pump 23.Wherein screw thread connects
Female connector 64 is used for the bit shank and drilling rod 61 for connecting the rock drill of drill jumbo 6, and is processed in the outer surface of threaded connecting sleeve 64
External tooth, rock drill start after drive threaded connecting sleeve 64, drilling rod 61 and drill bit 62 to rotate successively, threaded connecting sleeve 64 by with its
Rotation is transferred to speed increaser 21 by the travelling gear 22 of engagement, then is transferred to hydraulic pump 23 by speed increaser 21, drives hydraulic pump 23
Simultaneously pressure oil output is turned round, carrying out overflow in the first proportional pressure control valve 2 produces back pressure, produces a load resistance square and simultaneously passes to chisel
Rock machine, play simulation revolution load effect.For the ease of installation, the revolution load simulation peace for being installed on forward beam 63 is additionally provided with
Seat is filled, speed increaser 21 and hydraulic pump 23 are installed on revolution load simulation mounting seat, while turn round load simulation mounting seat and pass through company
Connect block connection rock drill connection.
Support guide mechanism includes being installed on two of test-bed 1 guiding mounting seats 42, two be oriented to mounting seat 42 it
Between be provided with lead 43, the bearing of trend of lead 43 is provided with use on lead 43 parallel to the bearing of trend of drilling rod 61
The installing plate 44 of transmission mechanism is promoted in connection, installing plate 44 can move along the bearing of trend of lead 43.Can be according to circumstances
The structure type of support guide mechanism is adjusted, within protection scope of the present invention.
Installing plate 44 is provided with what can be offseted with the back side of rock simulated block 31 in the one side of rock simulated block 31
Plane bearing 32, by setting plane bearing 32, avoid drill bit 62 and cause with respect to the 31 Relative friction motions of rock simulated block
Heating problem, while prevent that equipment is same only to load power mechanism transmission linear motion is promoted after rock simulated block 31
When processing two kinds motion caused by equipment attrition
In order to further alleviate impact, two installing plates 44 can be set, spring is separately installed with two installing plates 44
Mounting seat and spring guide holder, are provided with spring 33 between spring mounting seat and spring guide holder, spring mounting seat and spring are led
Rock simulated block 31 can be contacted respectively to seat and promotes load power mechanism.Rock simulated block 31 passes through the turgor cylinder of spring 33
Afterwards again with promoting load power mechanism to be connected, and the distance between each part is according to circumstances adjusted, spring 33 is to impact load energy
Cushioning effect is played, reduces pressure peak, plays a part of extending the testing stand life-span.
Load power mechanism is promoted to include horizontally disposed hydraulic jack 34 and be arranged at the rodless cavity hydraulic fluid port of hydraulic jack 34
The second proportional pressure control valve 35.Drill jumbo propelling cylinder promotes the parts such as two installing plates 44, spring 33 to be pressed in hydraulic pressure simultaneously
Its rodless cavity inner fluid is promoted to flow on the piston rod of oil cylinder 34, during the piston movement of hydraulic jack 34, hydraulic jack 34 is without bar
The second proportional pressure control valve 35 in chamber outlet conduit carries out overflow and produces back pressure, produces a load resistance and passes to rock drill,
Play simulation and promote load effect.
In the drill jumbo testing equipment that the specific embodiment of the invention provides, the outlet of hydraulic pump 23 and the first ratio are overflow
The pipeline flowed between valve 24 connects the rodless cavity hydraulic fluid port of hydraulic jack 34 and the second proportional pressure control valve by two solenoid directional control valves 72
Pipeline between 35.Also include the hydraulic motor 73 and cooler 74 of connection hydraulic pump 23.
By rock drill hydraulic pump 23 can be driven to turn round simultaneously, the pressure oil outlet of hydraulic pump 23 connects first simultaneously
The import of the entrance of proportional pressure control valve 24 and two solenoid directional control valves 72, oil return opening and the hydraulic motor 73 of the first proportional pressure control valve 24
Import be connected, the outlet of hydraulic motor 73 is connected with the import of cooler 74, the outlet connection liquid of two solenoid directional control valves 72
The import of the rodless cavity hydraulic fluid port of compressing cylinder 34 and the second proportional pressure control valve 35, the outlet of the inlet port, cooler 74 of hydraulic pump 23,
The oil return opening of hydraulic jack 34F rod chamber hydraulic fluid port and the second proportional pressure control valve 35 is connected and connects fuel tank 71.
Carry out giving the first proportional pressure control valve 24 and the input of the second proportional pressure control valve 35 one big electricity first during drill jumbo test
Signal is flowed, makes the first proportional pressure control valve 24 and the second proportional pressure control valve 35 that higher oil pressure relief is set, while make two electromagnetism
Reversal valve 72 is powered, and rock drill driving hydraulic pump 23 gives system fuel feeding, and pressure oil flows into hydraulic pressure by two solenoid directional control valves 72
The rodless cavity of the oil cylinder of oil cylinder 34, releases piston, two solenoid directional control valves 72 when soon close to 34 limit of sports record position of hydraulic jack
Power-off, now, drill jumbo simulation rock drilling and system parameter calibration can be carried out.
Drill bit 62 is designed to the larger disc structure of a contact area, impact stress value in unit area is reduced, makes rock
Stone simulated block 31 is hardly damaged in high-frequency percussion；Pressure load of the proportion of utilization overflow valve in simulation random waveform；Drilling staging
During 6 testing experiment of car, it is only necessary to withstand on forward beam 63 on jacking block 41, and upper rotary load simulating device 2 is installed to carry out
All kinds of test jobs, without carrying out the dismounting work of fluid pressure line, the spatter property of drill jumbo hydraulic system is ensure that, is reduced
The source of trouble that drill jumbo is brought due to artificial origin, meanwhile, testing stand can simulate cavity fast forward through, a variety of works such as card pricker
Condition, meet the parameter regulation or calibrating function of the automatic rock drilling hydraulic system of anti-sticking pricker of full-computerized and Fully-hydraulic drilling rig.Liquid
Pressure system transmits power using rock drill on drill jumbo, reasonable in design, simple in construction, realizes reusing of energy source.
Using this testing equipment, the rock drilling operating mode under a variety of geological conditions can be more truly simulated, is easy to comprehensive assessment to dig
The performance of rock bench car or rock drill.Because load simulation adoption rate Hydraulic Elements are realized, it is easy to the simulation of various waveform loads
Realize, simultaneously as reduction mechanical friction heat and ballistic work are converted into cooling problem caused by heat energy, can carry out for a long time
Simulated test, preferably meet test request.When drill jumbo carries out test and parameter calibration, a few place's machinery knots need to be only carried out
The connection of component, simple to operate, required time is few, has dropped generation cost of labor, meanwhile, decreasing needs to dismount drilling staging
The oil contamination risk that car hydraulic oil pipe is brought, ensure that the reliability of tested drill jumbo.Due to using large access area
Drill bit and swelling device with spring, peak load shifting effect is played to impact stress, extends the service life of testing stand, phase
Ground is answered to reduce the use cost of equipment.
Drill jumbo testing equipment provided by the present invention is described in detail above.It is used herein specifically individual
Example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help to understand the present invention's
Method and its core concept.It should be pointed out that for those skilled in the art, the principle of the invention is not being departed from
On the premise of, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the claims in the present invention
Protection domain in.
Claims (10)
1. a kind of drill jumbo testing equipment, it is characterised in that including test-bed (1) and be installed on the test-bed
(1) revolution load simulating device (2), propulsion load simulating device (3) and slide guide device (4), the revolution load mould
The rotary drive mechanism and simulated back for providing that the drilling rod (61) that intending device (2) includes being used to transmit drill jumbo (6) rotates
Turn the revolution load power mechanism of load, it is described to promote load simulating device (3) to include being used for the drill bit with drill jumbo (6)
(62) the rock simulated block (31) that offsets, the propulsion transmission mechanism for transmitting drill bit (62) linear motion and for providing simulation
The propulsion load power mechanism of load is promoted, the rock simulated block (31) can be with drill bit (62) synchronous axial system, the slip
Guider (4) includes the jacking block (41) to be offseted for the forward beam (63) with drill jumbo (6) and for supporting and being oriented to institute
State the support guide mechanism for promoting transmission mechanism movement.
2. drill jumbo testing equipment according to claim 1, it is characterised in that the rotary drive mechanism includes speedup
Device (21) and the travelling gear (22) for being installed on the speed increaser (21) input shaft, the travelling gear (22) is used for and drilling staging
The external tooth engagement set outside the threaded connecting sleeve (64) of car (6), the revolution load power mechanism include connecting the speedup
The hydraulic pump (23) of device (21) output shaft and the first proportional pressure control valve (24) for being arranged at the hydraulic pump (23) outlet.
3. drill jumbo testing equipment according to claim 2, it is characterised in that also include being installed on forward beam (63)
Load simulation mounting seat is turned round, the speed increaser (21) and the hydraulic pump (23) are installed on the revolution load simulation installation
Seat.
4. drill jumbo testing equipment according to claim 3, it is characterised in that the support guide mechanism includes installation
Two in the test-bed (1) are oriented to mounting seat (42), and lead is provided between two guiding mounting seats (42)
(43), the bearing of trend of the lead (43) is provided with the lead (43) parallel to the bearing of trend of drilling rod (61)
For connecting the installing plate (44) of the propulsion transmission mechanism, the installing plate (44) can be along the extension of the lead (43)
Move in direction.
5. drill jumbo testing equipment according to claim 4, it is characterised in that the installing plate (44) is close to the rock
It is provided with the one side of stone simulated block (31) with the plane bearing (32) that can be offseted with the back side of the rock simulated block (31).
6. drill jumbo testing equipment according to claim 5, it is characterised in that including two installing plates (44),
Spring mounting seat and spring guide holder, the spring mounting seat and the spring are separately installed with two installing plates (44)
Spring (33) is provided between guide holder, the spring mounting seat and the spring guide holder can contact the rock mould respectively
Intend block (31) and the propulsion load power mechanism.
7. drill jumbo testing equipment according to claim 6, it is characterised in that the propulsion load power mechanism includes
Horizontally disposed hydraulic jack (34) and the second proportional pressure control valve (35) for being arranged at the hydraulic jack (34) rodless cavity hydraulic fluid port.
8. drill jumbo testing equipment according to claim 7, it is characterised in that the hydraulic pump (23) outlet and described
Pipeline between first proportional pressure control valve (24) connects hydraulic jack (34) rodless cavity by two solenoid directional control valves (72)
Pipeline between hydraulic fluid port and second proportional pressure control valve (35).
9. drill jumbo testing equipment according to claim 8, it is characterised in that also include connecting the hydraulic pump (23)
Hydraulic motor (73) and cooler (74).
10. the drill jumbo testing equipment according to claim 1 to 9 any one, it is characterised in that the test-bed
(1) lower section is provided with height regulation supporting leg (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711027579.0A CN107621379A (en) | 2017-10-27 | 2017-10-27 | A kind of drill jumbo testing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711027579.0A CN107621379A (en) | 2017-10-27 | 2017-10-27 | A kind of drill jumbo testing equipment |
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| CN107621379A true CN107621379A (en) | 2018-01-23 |
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| CN201711027579.0A Pending CN107621379A (en) | 2017-10-27 | 2017-10-27 | A kind of drill jumbo testing equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655246A (en) * | 2018-11-28 | 2019-04-19 | 山东职业学院 | A kind of drilling well PDC drill bit self-regulation device working performance test method |
| CN109869362A (en) * | 2019-01-31 | 2019-06-11 | 中国铁建重工集团有限公司 | For simulating the hydraulic system of rock drilling load and the analog detection method of rock drilling load |
| CN110093468A (en) * | 2019-06-11 | 2019-08-06 | 中钢集团西安重机有限公司 | A kind of rock drill testing device for blast furnace open hole machine |
| CN115356141A (en) * | 2022-10-21 | 2022-11-18 | 北京科技大学 | Impact performance testing system and method for hydraulic rock drill |
| CN117267191A (en) * | 2023-11-16 | 2023-12-22 | 徐州徐工基础工程机械有限公司 | Power station of rock drill test stand |
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