CN109030138A - A kind of multifactor controllable type hits actual load and sets - Google Patents
A kind of multifactor controllable type hits actual load and sets Download PDFInfo
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- CN109030138A CN109030138A CN201810689144.0A CN201810689144A CN109030138A CN 109030138 A CN109030138 A CN 109030138A CN 201810689144 A CN201810689144 A CN 201810689144A CN 109030138 A CN109030138 A CN 109030138A
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- 238000005056 compaction Methods 0.000 claims abstract description 132
- 239000002689 soil Substances 0.000 claims abstract description 16
- 238000001179 sorption measurement Methods 0.000 claims abstract description 5
- 230000001939 inductive effect Effects 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 11
- 235000013399 edible fruits Nutrition 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Actual load is hit the invention discloses a kind of multifactor controllable type to set, the revolving speed and rotation time of the first stepper motor are set by control cabinet, the output shaft of first stepper motor is connect with drive sprocket, the top of drive sprocket is arranged in driven sprocket, is connected between drive sprocket and driven sprocket by chain, is connected with electromagnet on chain, control cabinet is connect with electromagnet, control cabinet can control the power on/off of electromagnet, and when the solenoid is energized, electromagnet being capable of adsorption combined formula compaction hammer.The revolving speed of second stepper motor is set by control cabinet, second stepper motor is connected with rotating disc, and second stepper motor can drive rotating disc circular-rotation, and rotating disc is equipped with compaction cylinder, when the electromagnet is powered off, combined type compaction hammer whereabouts carries out the soil sample in compaction cylinder to hit reality；Solve the problems, such as to hit actual load in the prior art to set and can only carry out specific type compaction test, the present invention can investigate it is different fall away from hit several single factor test and various factors coupling and act on influence to actual effect fruit is hit.
Description
Technical field
The present invention relates to soil test technique fields more particularly to a kind of multifactor controllable type to hit actual load and set.
Background technique
In geotechnical engineering field, native compaction test is a kind of very widely used research technique, main investigation soil
Compactingproperties, the accurate characterisitic parameter for obtaining compacting material, to China Democratic National Construction Association, road, the engineerings such as water conservancy all have very important meaning
Justice.
It hits actual load and sets the measurement for being mainly used for native water content Yu dry density relationship, so that it is determined that the maximum dry density and most of soil
Excellent moisture content.It is general hit actual load and set can only carry out certain types of compaction test, hit real requirement suitable for conventional.
But with the continuous promotion of China's economic strength and construction technology, the scale of modern project is increasing, engineering
Mechanical performance is higher and higher, and the compacting engineering of all kinds of remote unconventional compactive efforts is commonplace, especially national large-scale emphasis
Water conservancy, city engineerings such as traffic of having stable political situation are increasing, and it is variable and hit controllable higher of real factor to propose compactive effort to compaction test
It is required that.
Summary of the invention
Actual load is hit the purpose of the present invention is to provide a kind of multifactor controllable type to set, and is solved and is hit actual load in the prior art and set
The problem of can only carrying out specific type compaction test, the present invention can investigate it is different fall away from hit several single factor test and multifactor coupling
Cooperate the influence to actual effect fruit is hit.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
It hits actual load the present invention provides a kind of multifactor controllable type to set, including control cabinet, the first stepper motor, dragger
Structure, electromagnet and combined type compaction hammer；Traction mechanism includes drive sprocket, driven sprocket and chain；
Control cabinet is used to set the revolving speed and rotation time of the first stepper motor, the output shaft of the first stepper motor and active
The top of drive sprocket is arranged in sprocket wheel connection, driven sprocket, is connected between drive sprocket and driven sprocket by chain, chain
On be connected with electromagnet, control cabinet is connect with electromagnet, and control cabinet can control the power on/off of electromagnet, when electromagnet be powered
When, electromagnet being capable of adsorption combined formula compaction hammer；
It further include second stepper motor, control cabinet is also used to set the revolving speed of second stepper motor, and second stepper motor connects
It is connected to rotating disc, second stepper motor can drive rotating disc circular-rotation, and rotating disc is equipped with compaction cylinder, when electromagnet powers off
When, combined type compaction hammer whereabouts carries out the soil sample in compaction cylinder to hit reality；
While control cabinet control electromagnet is powered, control cabinet is controlled the first stepper motor and is turned with setting speed and setting
The dynamic time starts turning；While the first stepping motor stalls, control cabinet controls electromagnet power-off.
Further, the features of the present invention also characterized in that:
Combined type compaction hammer is formed by connecting by the different compaction hammer of several quality.
It further include plane pushing mechanism, plane pushing mechanism includes air pump, cylinder and plain thrust bearing, air pump and cylinder
Connection, cylinder are connect by plain thrust bearing with rotating disc, and the flexible of cylinder can push rotating disc to be moved forward and backward；
Whenever rotating disc circular-rotation one encloses, it is primary that cylinder pushes rotating disc tandem to move back and forth.
It further include limiting device, limiting device includes inductive switch, and inductive switch is installed close to the top of chain, works as electromagnetism
When iron touch inducing switchs, signal is fed back to control cabinet by inductive switch, so that control cabinet controls the power-off of the first stepper motor.
The top of combined type compaction hammer is equipped with touching switch, and when electromagnet touches touching switch, touching switch is by signal
Control cabinet is fed back to, so that control cabinet control electromagnet is powered.
It further include the electromagnet guide rod being arranged along the vertical direction, on electromagnet guide rod, chain is able to drive electromagnet sleeve
Electromagnet is moved up and down along the direction of electromagnet guide rod；
It further include the compaction hammer guide rod being arranged along the vertical direction, when the electromagnet is powered off, combined type compaction hammer being capable of edge
The side of compaction hammer guide rod drops down onto compaction cylinder.
Compaction cylinder and rotating disc detachable connection.
Encoder is installed, encoder is able to detect the pulse frequency of the first stepper motor on the output shaft of the first stepper motor
Rate, control cabinet control the revolving speed of the first stepper motor by adjusting the pulse frequency of the first stepper motor.
Multifactor controllable type hits total a height of 3m that actual load is set, and falling away from range for combined type compaction hammer is 305mm-1220mm；
Combined type compaction hammer is formed by connecting by one or more in the compaction hammer of 3 5kg and the compaction hammer of 2 2.5kg；
Compaction cylinder includes first sleeve, second sleeve and 3rd sleeve；The internal diameter of first sleeve is 112mm, and wall thickness is
10mm is highly 160mm；The internal diameter of second sleeve is 151.2mm, wall thickness 10mm, is highly 214.8mm；3rd sleeve
Internal diameter is 310mm, wall thickness 10mm, is highly 220mm.
Compared with prior art, the invention has the following beneficial technical effects:
A kind of multifactor controllable type provided by the invention hits actual load and sets, and controls electromagnet by control cabinet and is powered to combined type
Compaction hammer is adsorbed.Meanwhile control cabinet controls the first stepper motor and starts to rotate forward with setting speed and setting rotation time, the
One stepper motor drives traction mechanism work, promotes traction mechanism to setting height electromagnet and combined type compaction hammer, this
When the first stepping motor stalls, control cabinet controls electromagnet power-off, combined type compaction hammer fall to the material of compaction cylinder into
Row hits reality.Subsequent first stepper motor starts to invert, and chain falls with electromagnet, when electromagnet falls on combined type compaction hammer
When top, the touching switch of peen is touched, signal is fed back to control cabinet by touching switch, so that control cabinet controls electromagnetism Tie Tong
Electricity, the first stepper motor starts to rotate forward while adsorbing compaction hammer with setting speed and setting rotation time, chain-driving electricity
Magnet and compaction hammer rise, repeat above-mentioned steps make combined type compaction hammer with set the material hit in several pairs of compaction cylinders into
Row hits reality.During repeating to hit reality, by setting identical revolving speed and rotation time to the first stepper motor, so that hitting every time
It is honest away from consistent, guarantee that experiment is effective.At the same time, the second stepper motor of workbench bottom drives rotating disc circular-rotation,
So that combined type compaction hammer carries out the material of compaction cylinder surrounding uniformly to hit reality, guarantee soil sample stability under loading in compaction cylinder, uniformly,
Effectively.The present invention hits real excellent effect, applied widely, can meet the compaction test of different compactive efforts, can investigate difference fall away from
With hit several single factor test and various factors coupling acts on influence to actual effect fruit is hit.The present invention can be the geotechnique in all kinds of civil engineering projects
It is compacted engineering and design and construction parameter is provided, provide test basis for soil compaction control.
Further, the present invention is by setting plane pushing mechanism, and whenever rotating disc circular-rotation one encloses, plane pushes machine
It is primary that structure pushes rotating disc tandem to move back and forth, so that combined type compaction hammer carries out the material of compaction cylinder surrounding and center
Reality uniformly is hit, further improves the stability, uniformity and validity of soil sample stress in compaction cylinder.
Further, combined type compaction hammer of the invention is formed by connecting by the different compaction hammer of several quality, can control
Change of the hammer weight from 2.5kg to 20kg, can investigate different hammer weights, hit count and fall away from single factor test and various factors coupling act on to hitting
The influence of actual effect fruit.
Further, the present invention, which has also been devised, prevents the excessive limiting device damaged of stroke, once electromagnet is upper
The height risen is more than safety travel, will touch the inductive switch of upper side, signal is fed back to control by inductive switch at this time
Case, so that control cabinet control the first stepper motor power-off is out of service, to guarantee the safety of equipment.
Further, the present invention provides guiding role to the direction of motion of electromagnet by setting electromagnet guide rod.
Further, the present invention provides guiding to the falling direction of combined type compaction hammer by setting compaction hammer guide rod
Effect.
Further, compaction cylinder and rotating disc detachable connection, realize the replacement to the compaction cylinder of different size, together
When, convenient for being demoulded to the material in compaction cylinder.
Detailed description of the invention
Fig. 1 is that a kind of multifactor controllable type provided by the invention hits the schematic diagram of the section structure that actual load is set；
Fig. 2 is that a kind of multifactor controllable type provided by the invention hits the positive structure schematic that actual load is set；
Fig. 3 is that a kind of multifactor controllable type provided by the invention hits the side structure schematic diagram that actual load is set；
Fig. 4 is the schematic diagram of the section structure of plane pushing mechanism provided by the invention.
In figure, 1, driven sprocket；2, electromagnet；4, drive sprocket；5, the first stepper motor；6, combined type compaction hammer；7,
Compaction cylinder；8, rotating disc；9, plain thrust bearing；10, second stepper motor；11, transmission gear；12, cylinder；13, workbench；
14, inductive switch.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
Referring to Fig. 1-3, a kind of multifactor controllable type provided by the invention hits actual load and sets, including control cabinet, the first stepping electricity
Machine 5, traction mechanism, electromagnet 2 and combined type compaction hammer 6；Traction mechanism includes drive sprocket 4, driven sprocket 1 and chain；Control
Case processed is used to set the revolving speed and rotation time of the first stepper motor 5, and the output shaft and drive sprocket 4 of the first stepper motor 5 connect
It connects, the rotation of the first stepper motor 5 is able to drive the rotation of drive sprocket 4.The top of drive sprocket 4 is arranged in driven sprocket 1, main
It is connected between movable sprocket 4 and driven sprocket 1 by chain, electromagnet 2 is connected on chain, electromagnet 2 is by chain by first
The traction lifting of stepper motor 5.When the first stepper motor 5 rotates forward, electromagnet 2 is by chain by the traction of the first stepper motor 5
It rises；When the reversion of the first stepper motor 5, electromagnet 2, which is drawn by chain by the first stepper motor 5, to be declined.Control cabinet and electromagnetism
Iron 2 connects, and control cabinet can control the power on/off of electromagnet 2, when electromagnet 2 is powered, 2 adsorption combined formula compaction hammer of electromagnet
6 so that drive 6 one lifting of combined type compaction hammer.The present invention also further includes second stepper motor 10, and control cabinet is also used to set
The revolving speed of second stepper motor 10, second stepper motor 10 are connected with rotating disc 8, and second stepper motor 10 can drive rotating disc
8 circular-rotations, rotating disc 8 are equipped with compaction cylinder 7.Specifically, rotating disc 8 is mounted on workbench 13, the bottom of workbench 13
It is bracket, internal stent is provided with second stepper motor 10, and second stepper motor 10 drives the circle of rotating disc 8 by transmission gear 11
Week rotation.
Herein, control cabinet control electromagnet 2 is powered, and electromagnet 2 adsorbs combined type compaction hammer 6, meanwhile, control
Case is controlled the first stepper motor 5 and is started turning with setting speed and setting rotation time, by changing turning for the first stepper motor 5
Speed and rotation time, the hoisting depth of control combination formula compaction hammer 6, so that control is fallen away from falling away from as 6 bottom of combined type compaction hammer
Face is to the distance on compacted soil samples surface, and after reaching setting hoisting depth, the first stepper motor 5 stops operating, meanwhile, control cabinet
It controls electromagnet 2 to power off, the whereabouts of combined type compaction hammer 6 carries out the soil sample in compaction cylinder 7 to hit reality.Herein, combined type hits reality
Hammer 6 moves upwards and brings completions mainly by rack-driving, with this achieve the effect that precision it is high, it is practical it is strong, manipulate it is steady.Hitting reality
During, second stepper motor 10 works with nutating gear 11, and transmission gear 11 controls 8 circular-rotation of rotating disc, thus
Make the compaction cylinder 7 being fixed in the above around 8 center of circle circular-rotation of rotating disc.Different from conventional motors: conventional motors control turns
Moving plate 8 is by certain speed rotation, and the present invention can control rotating disc 8 by the revolving speed of adjusting second stepper motor 10
Revolving speed, and can be adjusted at any time speed, so that it is uniform and stable so that combined type compaction hammer 6 is hit real frequency, so that combined type compaction hammer 6 is equal
Evenly the soil sample of 7 surrounding of compaction cylinder is carried out hitting reality.
Preferably, referring to fig. 4, the invention also includes plane pushing mechanism, be different from tradition hit actual load set rotating disc 8 can only
Circular-rotation.Plane pushing mechanism includes air pump, cylinder 12 and plain thrust bearing 9, and air pump is connect with cylinder 12, cylinder 12 with
Plane pushes bearing block to use half flanged joint, and plain thrust bearing 9 is connect with rotating disc 8, and cylinder 12 is by fluid control pressure
It acts on rotating disc 8, the flexible of cylinder 12 can push rotating disc 8 to be moved forward and backward；Whenever 8 circular-rotation one of rotating disc enclose,
It is primary that cylinder 12 pushes 8 tandem of rotating disc to move back and forth so that combined type compaction hammer 6 to the soil sample at 7 center of compaction cylinder into
Row hits reality.Herein, both plane promotion and circular-rotation collective effect, fill each position of soil sample in compaction cylinder can
Divide and uniformly hit reality, ensure and promoted and hit actual effect fruit, achievees the purpose that large-scale compacting engineering can be simulated.
Preferably, the top of combined type compaction hammer 6 of the present invention is equipped with touching switch, when electromagnet 2 touches touching switch,
Signal is fed back to control cabinet by touching switch, so that control cabinet control electromagnet 2 is powered.
Herein, electromagnet 2 be powered, adsorption combined formula compaction hammer 6 rise, to setting height after electromagnet 2 power off, combination
Formula compaction hammer 6 falls, and subsequent first stepper motor 5 inverts, and chain falls with electromagnet 2, when falling on combined type under electromagnet 2
When the top of compaction hammer 6, the touching switch of peen is touched, signal is fed back to control cabinet by touching switch, so that control cabinet control
Electromagnet 2 processed is powered, and first stepper motor 5 is started just while adsorbing compaction hammer 2 with setting speed and setting rotation time
Turn, chain-driving electromagnet 2 and combined type compaction hammer 6 rise, and repeat above-mentioned steps and make combined type compaction hammer 6 to set
The material hit in several pairs of compaction cylinders 7 carries out hitting reality.It is identical by being set to the first stepper motor 5 during repeating to hit reality
Revolving speed and rotation time guarantee that experiment is effective so that hitting every time honest away from consistent.
Preferably, combined type compaction hammer of the invention is spliced and combined by the different compaction hammer of several quality by screw thread
At the absorption of electromagnet 2 after the combined type compaction hammer spliced is energized is fixed.Specifically, combined type compaction hammer is by 3 5kg
Compaction hammer and 2 2.5kg compaction hammer in one or more be formed by connecting, can control change of the hammer weight from 2.5kg to 20kg.
Multifactor controllable type hits total a height of 3m that actual load is set, and falling away from range for combined type compaction hammer 6 is 305mm-1220mm.Of the invention
Traction mechanism can drive the compaction hammer of nonstandard specification, provide larger range of fall away to realize bigger compactive effort.The present invention
Different hammer weights can be investigated, hit number and fall away from single factor test and various factors coupling act on influence to actual effect fruit is hit.
The present invention, which has also been devised, prevents the excessive limiting device damaged of stroke, and limiting device includes inductive switch 14,
Inductive switch 14 is mounted on the position on fuselage at the top of chain, and specifically, inductive switch 14 is mounted below chain top portion
5cm.Once the height of the rising of electromagnet 2 is more than safety travel, the inductive switch 14 of upper side will be touched, is incuded at this time
Signal is fed back to control cabinet by switch 14 so that control cabinet control the first stepper motor 5 power off it is out of service, to guarantee equipment
Safety.
Herein, inductive switch 14 is inductance approach switch or touching formula switch.
The invention also includes the electromagnet guide rod being arranged along the vertical direction, 2 sets of electromagnet on electromagnet guide rod, chain energy
Enough electromagnet 2 is driven to move up and down along the direction of electromagnet guide rod.
The invention also includes the compaction hammer guide rods being arranged along the vertical direction, when electromagnet 2 powers off, combined type compaction hammer
6 can drop down onto compaction cylinder 7 along the side of compaction hammer guide rod.
Preferably, compaction cylinder 7 and 8 detachable connection of rotating disc.Specifically, turntable is equipped with threaded hole, compaction cylinder 7 one
Side is provided with cricoid ring flange, and ring flange and threaded hole have been oppositely arranged mounting hole, bolt pass through after mounting hole with threaded hole
Occlusion, compaction cylinder 7 are fixed on turntable, position movement will not occur since test carries out.
Preferably, compaction cylinder 7 of the invention is the compaction cylinder mold of several different sizes, is bolted on respectively
On rotating disc 8.Illustratively, compaction cylinder 7 includes first sleeve, second sleeve or 3rd sleeve；The internal diameter of first sleeve is
112mm, wall thickness 10mm are highly 160mm；The internal diameter of second sleeve is 151.2mm, and wall thickness 10mm is highly
214.8mm；The internal diameter of 3rd sleeve is 310mm, wall thickness 10mm, is highly 220mm.
Specifically, first sleeve is formed by connecting by a pedestal sleeve and an additional sleeve, and additional sleeve can pass through
It is threadedly coupled and is added in the top of pedestal sleeve, the internal diameter of pedestal sleeve and additional sleeve is 112mm, and wall thickness is 10mm, bottom
The height of cover for seat cylinder is 105mm, and additional sleeve has 55.00mm height.
Specifically, second sleeve is formed by connecting by a pedestal sleeve and an additional sleeve, and additional sleeve can pass through
It being threadedly coupled and is added in the top of pedestal sleeve, the internal diameter of pedestal sleeve and additional sleeve is 151.2mm, and wall thickness is 10mm,
The height of pedestal sleeve is 159.8mm, and the height for adding sleeve is 55.00mm.
Specifically, 3rd sleeve is formed by connecting by a pedestal sleeve and an additional sleeve, and additional sleeve can pass through
It is threadedly coupled and is added in the top of pedestal sleeve, the internal diameter of pedestal sleeve and additional sleeve is 310mm, and wall thickness is 10mm, bottom
The height of cover for seat cylinder is 165.0mm, and the height for adding sleeve is 55.00mm.
The revolving speed of stepper motor and displacement are related with pulse frequency f, and formula is f=(N × 360)/(60 × A), wherein N
For motor speed, A is stepping angle.Encoder is installed on the output shaft of first stepper motor 5, encoder is able to detect the first step
Into the pulse frequency of motor 5, the revolving speed of the first stepper motor 5 is extrapolated by detecting pulse frequency, encoder is ceaselessly fed back
The turned position of first stepper motor 5 is compared according to value of feedback with target value, the angle of adjustment rotor rotation, so that the
One stepper motor 5 is rotated with setting speed.Guarantee that the first stepper motor 5 is corresponding under certain pulse frequency during each hammering
Value of feedback it is constant, 6 bottom surface of combined type compaction hammer during hitting reality every time can be made constant to the distance on compacted soil samples surface, from
And achieve the purpose that fall with setting real away from hit to soil sample.
The course of work of the invention is as follows:
Before test, compaction cylinder 7 is placed on rotating disc 8, by tightening the nut between rotating disc 8 and compaction cylinder 7
To fix compaction cylinder 7.
When test carries out, when needing to be promoted combined type compaction hammer 6, control cabinet controls electromagnet 2 and is powered, and electromagnet 2 is right
Combined type compaction hammer 6 is adsorbed.Meanwhile control cabinet is controlled the first stepper motor 5 and is opened with setting speed and setting rotation time
Begin to rotate forward, the first stepper motor 5 drives drive sprocket 4 to rotate, and drive sprocket 4 is worked by chain-driving driven sprocket 1, traction
Electromagnet 2 moves upwards, and electromagnet 2 lifts combined type compaction hammer 6 along the direction of electromagnet guide rod upwards.When combined type hits reality
After hammer 6 reaches setting height, the first stepper motor 5 stops operating, meanwhile, control cabinet controls electromagnet 2 and powers off, and combined type hits reality
Hammer 6 is detached from the support force of electromagnet 2, and starts along the downward freely falling body of compaction hammer guide rod, and combined type compaction hammer 6, which is fallen in, to be hit
On the material of real cylinder 7, material is carried out to hit reality.Subsequent first stepper motor 5 starts to invert, and chain falls with electromagnet 2, when
When electromagnet 2 falls on the top of combined type compaction hammer 6, the touching switch of peen is touched, signal is fed back to control by touching switch
Case processed, so that control cabinet control electromagnet 2 is powered, the first stepper motor 5 with setting speed and is set while adsorbing compaction hammer
Determine rotation time to start to rotate forward, chain-driving electromagnet 2 and combined type compaction hammer 6 rise, and repeat above-mentioned steps and make group
Box-like compaction hammer 6 carries out hitting reality to set the material hit in several pairs of compaction cylinders 7.In the process, by the first stepper motor 5
Scheduled pulse frequency is set, so that hitting every time honest away from consistent, guarantees that experiment is effective.At the same time, workbench 13 bottom
Second stepper motor 10 starts running with nutating gear 11, and transmission gear 11 starts turning rotating disc 8, at this time rotating disc 8
Compaction cylinder 7 is driven to start to do circular-rotation along 8 center of circle of rotating disc, the cylinder 12 of device side starts to drive plane after one circle of rotation
Thrust bearing 9 works, and plane pushes bearing to drive 8 front-rear reciprocation movement of rotating disc primary, so that combined type compaction hammer 6 is to hitting reality
The material at 7 surroundings of cylinder and center carries out uniformly hitting reality.
When testing completion, the switch of control cabinet is closed, checks whether all parts are placed safely, guarantees security situation
Under, unscrew the screw-casing of rotating disc 8 Yu compaction cylinder 7, remove the compaction cylinder 7 on workbench 13, the material in compaction cylinder 7 is carried out
Demoulding.
Claims (10)
1. a kind of multifactor controllable type hits actual load and sets, which is characterized in that including control cabinet, the first stepper motor (5), dragger
Structure, electromagnet (2) and combined type compaction hammer (6)；Traction mechanism includes drive sprocket (4), driven sprocket (1) and chain；
Control cabinet is used to set the revolving speed and rotation time of the first stepper motor (5), the output shaft of the first stepper motor (5) and master
Movable sprocket (4) connection, driven sprocket (1) are arranged between the top of drive sprocket (4), drive sprocket (4) and driven sprocket (1)
It is connected by chain, electromagnet (2) is connected on chain, control cabinet is connect with electromagnet (2), and control cabinet can control electromagnet
(2) power on/off, when electromagnet (2) are powered, electromagnet (2) being capable of adsorption combined formula compaction hammer (6)；
It further include second stepper motor (10), control cabinet is also used to set the revolving speed of second stepper motor (10), the second stepping electricity
Machine (10) is connected with rotating disc (8), and second stepper motor (10) can drive rotating disc (8) circular-rotation, and rotating disc is set on (8)
There are compaction cylinder (7), when electromagnet (2) power-off, combined type compaction hammer (6) whereabouts carries out hitting reality to the soil sample in compaction cylinder (7)；
While control cabinet control electromagnet (2) is powered, control cabinet controls the first stepper motor (5) with setting speed and setting
Rotation time starts turning；While the first stepper motor (5) stops operating, control cabinet controls electromagnet (2) power-off.
2. multifactor controllable type according to claim 1 hits actual load and sets, which is characterized in that combined type compaction hammer (6) if by
The dry different compaction hammer of quality is formed by connecting.
3. multifactor controllable type according to claim 1 hits actual load and sets, which is characterized in that it further include plane pushing mechanism,
Plane pushing mechanism includes that air pump, cylinder (12) and plain thrust bearing (9), air pump are connect with cylinder (12), and cylinder (12) is logical
It crosses plain thrust bearing (9) to connect with rotating disc (8), the flexible of cylinder (12) can push rotating disc (8) to be moved forward and backward；
Whenever rotating disc (8) circular-rotation one encloses, it is primary that cylinder (12) pushes rotating disc (8) tandem to move back and forth.
4. multifactor controllable type according to claim 1 hits actual load and sets, which is characterized in that it further include limiting device, limit
Device includes inductive switch (14), and inductive switch (14) is installed close to the top of chain, when electromagnet (2) touch inducing switchs
(14) when, signal is fed back to control cabinet by inductive switch (14), so that control cabinet control the first stepper motor (5) power-off.
5. multifactor controllable type according to claim 1 hits actual load and sets, which is characterized in that the top of combined type compaction hammer (6)
Portion is equipped with touching switch, and when electromagnet (2) touch touching switch, signal is fed back to control cabinet by touching switch, so that control
Case controls electromagnet (2) and is powered.
6. multifactor controllable type according to claim 1 hits actual load and sets, which is characterized in that further include being arranged along the vertical direction
Electromagnet guide rod, electromagnet (2) covers on electromagnet guide rod, and chain is able to drive electromagnet (2) along the side of electromagnet guide rod
It moves up and down.
7. multifactor controllable type according to claim 1 hits actual load and sets, which is characterized in that further include being arranged along the vertical direction
Compaction hammer guide rod, when electromagnet (2) power-off when, combined type compaction hammer (6) can fall along the direction of compaction hammer guide rod
To in compaction cylinder (7).
8. multifactor controllable type according to claim 1 hits actual load and sets, which is characterized in that compaction cylinder (7) and rotating disc (8)
Detachable connection.
9. multifactor controllable type according to claim 1 hits actual load and sets, which is characterized in that the first stepper motor (5) it is defeated
Encoder is installed, encoder is able to detect the pulse frequency of the first stepper motor (5), and control cabinet is by adjusting first on shaft
The pulse frequency of stepper motor (5) controls the revolving speeds of the first stepper motor (5).
10. multifactor controllable type according to claim 1 hits actual load and sets, which is characterized in that multifactor controllable type hits actual load
The total a height of 3m set, falling away from range for combined type compaction hammer (6) is 305mm-1220mm；
Combined type compaction hammer (6) is formed by connecting by one or more in the compaction hammer of 3 5kg and the compaction hammer of 2 2.5kg；
Compaction cylinder (7) includes first sleeve, second sleeve or 3rd sleeve；First sleeve, second sleeve or 3rd sleeve
It is arranged on rotating disc (8)；The internal diameter of first sleeve is 112mm, wall thickness 10mm, is highly 160mm；The internal diameter of second sleeve
It is highly 214.8mm for 151.2mm, wall thickness 10mm；The internal diameter of 3rd sleeve is 310mm, wall thickness 10mm, is highly
220mm。
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| CN110712291B (en) * | 2019-10-18 | 2021-01-05 | 潘佳宁 | Brick and tile production is beaten device with earth |
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