CN107063995A - A kind of treadmill foot platform frictional testing machine - Google Patents
A kind of treadmill foot platform frictional testing machine Download PDFInfo
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- CN107063995A CN107063995A CN201710415727.XA CN201710415727A CN107063995A CN 107063995 A CN107063995 A CN 107063995A CN 201710415727 A CN201710415727 A CN 201710415727A CN 107063995 A CN107063995 A CN 107063995A
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- Prior art keywords
- balancing weight
- foot platform
- lifting
- block
- cylinder
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
Abstract
The invention discloses a kind of treadmill foot platform frictional testing machine, it pulls balancing weight and foot platform to be tested by the driving of motor, when stabilization is under a voltage, motor provides stable power with stable power and draws foot platform, to test whether foot platform can be permanently deformed under rated pressure；When the power for increasing voltage to motor can pull foot platform, pulling force is tested by strength sensor, the coefficient of friction of foot platform can be obtained with reference to the quality progress calculating of balancing weight and foot platform to be tested, test is realized by way of automation on the whole；The degree of accuracy can be higher.And the conveying of foot platform completes input and output by cylinder, it need not also go to move weight, tester is more laborsaving and safe.
Description
Technical field
The present invention relates to a kind of tester, rubbing for treadmill treadmill belt both sides foot platform is tested more particularly, to a kind of
Wipe the testing machine of coefficient.
Background technology
With the development and the improvement of people's living standards in epoch, while also because the exacerbation of environmental pollution, more people
During this motion of selection running, gymnasium or oneself purchase treadmill is more gone to perform physical exercise, the properties of treadmill
It can ensure that the progress of user's safety is taken exercise by running.
The foot platform of treadmill is the position that the confession people positioned at treadmill belt both sides tramples, when runner staggers or special
When situation will be rapidly separated treadmill belt, pin is stepped on foot platform and to buttress handle be most fast safest mode, so to pin
The test for smashing the coefficient of friction of platform is most important, tests the treadmill manufactured by qualified product, people can be safe
Trample foot platform and non-slip.
The method of testing of existing foot platform coefficient of friction, foot platform a is kept flat when as shown in Figure 1, weight in upper face pressure
Gauge block b, is pulled by rope c, and gravity is relied on by weight d, and whether stably test foot platform for a period of time in certain power can
Deformation；And with weight d increase, to critical point the stiction of maximum can be overcome to pull foot platform a and weight block b,
It can obtain the coefficient of friction of foot platform to determine if to meet standard by calculating.This mode automaticity is low,
And not accurate enough, weight and weight block carry laborious trouble.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art there is provided one kind is simple in construction, improves automaticity, simplifies
Manual working, saves labour, improves the treadmill foot platform frictional testing machine of test accuracy.
The present invention uses following technical scheme：A kind of treadmill foot platform frictional testing machine, including frame, driving group
Part, balancing weight, lifting component and conveying assembly, drive component are arranged in frame, and drive component includes mounting bracket, slide bar, spiral shell
Bar, motor, balladeur train, pull rope, mounting bracket are two and set up separately in frame both sides that slide bar is fixedly installed on mounting bracket, screw rod
It is rotatably arranged on mounting bracket, motor is installed on a mounting bracket and connecting screw rod one end is driven, and balladeur train can be slided
That moves is set on slide bar and screw rod, and screw rod rotation drives balladeur train sliding, and pull rope is two, and two pull rope one end are solid respectively
Due to the left and right sides of balladeur train, the other end is through the left side that balancing weight is individually fixed in after the pulley on the mounting bracket of respective side
The bearing of right both sides, side mounting bracket and pull rope is provided with strength sensor；Lifting component is located at balancing weight initial position
Lower section, lifting component includes lifting cylinder and lifting block, and frame includes base, is provided with base for opening that lifting block is passed through
Mouthful；Conveying assembly includes propulsion cylinder, releases cylinder and delivery track, at the beginning of propulsion cylinder is located at balancing weight respectively with release cylinder
Beginning position front and rear sides, the bottom of balancing weight has a breach；Foot platform to be tested is placed into delivery track when using,
Foot platform is pushed to balancing weight initial position by propulsion cylinder, is now lifted under the balancing weight that the lifting block lifting of cylinder
Fall within foot platform, positioning is matched with the side of foot platform by breach, electric motor starting is tensed by screw rod rotation driving balladeur train
Pull rope applies stable power to foot platform；When continuing to increase voltage to motor, voltage increases to motor and can continue to drive
When screw rod rotates, balladeur train is synchronized with the movement and pulls balancing weight and foot platform to slide, when strength sensor synchronously measures pulling
Power；Rotated backward by motor and making alive driving balancing weight and foot platform return to initial position, by lifting block lifting balancing weight,
Foot platform is pushed out to delivery track by release cylinder.
As an improvement, balancing weight sets retaining wall in the both sides of its activity direction, and breach is formed by both sides retaining wall, counterweight
When block is placed on foot platform to be tested, the depth of retaining wall is less than the thickness of foot platform.
As an improvement, lifting component has four groups and four groups of openings of correspondence at four of the lower section of balancing weight initial position
Corner is set, and lifting block includes base and is arranged on the lateral mass that on base and two sides is surrounded, base and the positioning gear of lateral mass formation one
The rectangular channel of wall corner, the corner of the direction correspondence retaining wall of four rectangular channels；Four lifting cylinder synchronous workings are released or withdrawn,
Four rectangular channels are positioned at the corner of retaining wall by balancing weight lifting or put down.
As an improvement, balancing weight activity direction is provided at both ends with limit induction component, and limit induction component includes
The riser coordinated with sensor is provided with the block of pivoting and the sensor being arranged on the outside of block, block；Work as counterweight
Block rotation is promoted when block and foot platform are slid at block, sensor response makes motor when riser is rotated to sensor
It is stopped.
As an improvement, a rotating wheel is provided with block, rotating wheel contradicts balancing weight in end；Torsion is provided with axle
Spring, torsion spring is compressed when balancing weight contradicts rotating wheel, and torsion spring drives block to reset when balancing weight reversely leaves, and axle is arranged on one
On seat, riser is stopped the rotation position of limit stop by bearing when torsion spring resets.
As an improvement, releasing cylinder includes a push pedal, and the retrieving position of push pedal corresponds to the initial position of balancing weight, when
Stopped when foot platform pushes to the initial position of balancing weight in place by propulsion cylinder by push pedal and positioned.
As an improvement, balancing weight activity direction is provided with limiting plate on base, limiting plate is arranged on balancing weight
Both sides, close to release cylinder spacing Board position it is corresponding with the retrieving position of push pedal concordant.
Beneficial effects of the present invention：Balancing weight and foot platform to be tested are pulled by the driving of motor, when stabilization exists
When under one voltage, motor provides stable power with stable power and draws foot platform, to test foot platform in rated pressure
Under whether can be permanently deformed；When the power for increasing voltage to motor can pull foot platform, tested and drawn by strength sensor
Power, can obtain the coefficient of friction of foot platform, on the whole with reference to the quality progress calculating of balancing weight and foot platform to be tested
Test is realized by way of automation；The degree of accuracy can be higher.And the conveying of foot platform completes input and output by cylinder,
Also it need not go to move weight, tester is more laborsaving and safe.
Brief description of the drawings
Fig. 1 is the structural representation of test device in the prior art.
Fig. 2 is the dimensional structure diagram of treadmill foot platform frictional testing machine of the present invention.
Fig. 3 is the part-structure top view of treadmill foot platform frictional testing machine of the present invention.
Fig. 4 is the stereochemical structure signal of the balancing weight and lifting component of treadmill foot platform frictional testing machine of the present invention
Figure.
Fig. 5 is the dimensional structure diagram of the limit induction component of treadmill foot platform frictional testing machine of the present invention.
Embodiment
The specific embodiment of the present invention is elaborated below in conjunction with accompanying drawing.
As shown in Figure 2-5, it is the specific embodiment of treadmill foot platform frictional testing machine of the present invention.The embodiment includes
Frame 1, drive component 2, balancing weight 3, lifting component 4 and conveying assembly 5, drive component 2 are arranged in frame 1, drive component 2
Including mounting bracket 21, slide bar 22, screw rod 23, motor 24, balladeur train 25, pull rope 26, mounting bracket 21 is two and set up separately in frame 1
Both sides, slide bar 22 is fixedly installed on mounting bracket 21, and screw rod 23 is rotatably arranged on mounting bracket 21, and motor 24 is installed on one
On individual mounting bracket 21 and one end of connecting screw rod 23 is driven, and balladeur train 25 slip is set on slide bar 22 and screw rod 23, spiral shell
The rotation of bar 23 drives balladeur train 25 to slide, and pull rope 26 is two, and two one end of pull rope 26 are individually fixed in the left and right of balladeur train 25
Both sides, the other end is individually fixed in the left and right sides of balancing weight 3, one through the pulley 27 on the mounting bracket 21 of respective side afterwards
The bearing of side mounting bracket 21 and pull rope 26 is provided with strength sensor 28；Lifting component 4 is located at the initial position of balancing weight 3
Lower section, lifting component 4 includes lifting cylinder 41 and lifting block 42, and frame 1 includes being provided with base 11, base 11 for lifting block
42 openings 12 passed through；Conveying assembly 5 includes propulsion cylinder 51, releases cylinder 52 and delivery track 53, propulsion cylinder 51 and pushes away
Go out the front and rear sides that cylinder 52 is located at the initial position of balancing weight 3 respectively, the bottom of balancing weight 3 has a breach 31.
In the use of the present invention, the lifting block 42 that original state balancing weight 3 is lifted cylinder 41 is lifted, lower position is vacated
Enter for foot platform, the state that pull rope 26 is not tensioned, therefore balancing weight 3 is movable unaffected.Tester will treat
The foot platform of test is placed into delivery track 53, the lower section where pushing foot platform to balancing weight 3 by propulsion cylinder 51
It is exactly to fall within foot platform under the initial position of balancing weight 3 (lifting component 4 where position), balancing weight 3, by breach 31 and pin
The side matching positioning of platform is smashed, motor 24, which starts, to be tensed pull rope 26 by the rotation driving balladeur train 25 of screw rod 23 foot platform is applied
Plus stable power, motor 24 provides stable power with stable power and draws foot platform, to test foot platform in rated pressure
Under whether can be permanently deformed；When continuing to increase voltage to motor 24, voltage increases to motor 24 and can continue to drive screw rod 23 to revolve
When turning, balladeur train 25 is synchronized with the movement and pulls balancing weight 3 and foot platform to slide, and strength sensor 28 is synchronous when measuring pulling
The quality of power, obtained data combination balancing weight 3 and foot platform to be tested, which calculate, can obtain the friction of foot platform
Coefficient, so as to be accurately obtained the whether standard compliant result of foot platform；The process resetted has been tested, it is anti-by motor 24
Initial position is returned to simultaneously making alive driving balancing weight 3 and foot platform is rotated, by the lifting balancing weight 3 of lifting block 42, by releasing
Foot platform is pushed out to delivery track 53 by cylinder 52.Slide bar 22, screw rod 23, the fit system of balladeur train 25 make balladeur train 25 can be
Stable sliding on the slideway that slide bar 22, screw rod 23 are constituted, makes power stably can bestow on balancing weight 3, also ensures strength sensing
The data that device 28 is gathered are accurate；The setting of two pull ropes 26 make balancing weight 3 can to both direction activity, can pull and
Reset, pull rope 26 is around on the pulley 27 of mounting bracket 21, make pull rope 26 arrangement, the shape that pull rope 26 is not tensioned in order
State, is easy to the adjustment of balancing weight 3；Opening 12 is located at four corners of balancing weight 3, and foot platform is not influenceed on the pedestal 11
Power, the good receiving foot platform of the breach 31 of balancing weight 3, both are good spacing for order, even if the foot platform in experimentation
It is stuck in breach 31, releasing cylinder 52 can also be pushed out to delivery track 53.The present invention passes through the side of automation on the whole
Formula realizes test；The degree of accuracy can be higher.And the conveying of foot platform completes input and output by cylinder, it need not also go to move weight
Thing, tester is more laborsaving and safe.
As an improvement embodiment, balancing weight 3 its activity direction both sides set retaining wall 32, breach 31
Formed by both sides retaining wall 32, when balancing weight 3 is placed on foot platform to be tested, the depth of retaining wall 32 is less than foot platform
Thickness.By front and rear retaining wall 32 is spacing foot platform, on the one hand it can ensure that foot platform can be smoothly when producing slip
Synchronous slide is driven by balancing weight 3, one side another side is easy to foot platform to be pushed out cylinder 52 to release to delivery track 53,
Even if foot platform is blocked by breach 31, in 3 lifting of balancing weight, foot platform is stuck at breach 31, also can be by release gas
The covering range of the push pedal 521 of cylinder 52, which shifts foot platform onto, makes its disengaging drop, and is smoothly pushed out to delivery track 53；Retaining wall 32
Depth be less than the thickness of foot platform, even if making foot platform have deformation, be not easy to side balancing weight 3 occur to be dragged to base 11
On, cause base 11 to be scraped off, so as to ensure that part is not easy to wear, increase the service life.
As an improvement embodiment, lifting component 4 have four groups and correspondence four groups of openings 12 at the beginning of balancing weight 3
Beginning, four corners of lower section of position set, and lifting block 42 includes base 421 and is arranged on base 421 and side that two sides is surrounded
Block 422, base 421 and the formation of lateral mass 422 one position the rectangular channel 423 of the corner of retaining wall 32, the direction correspondence of four rectangular channels 423
The corner of retaining wall 32；Four synchronous workings of lifting cylinder 41 are released or withdrawn, and four rectangular channels 423 are positioned at the corner of retaining wall 32
By the lifting of balancing weight 3 or put down.The lifting balancing weight 3 that the lifting component 4 of synchronous working can be stablized, the specific knot of lifting block 42
Structure can be well it is spacing, the corner of retaining wall 32 is contained in rectangular channel 423, as shown in figure 4, balancing weight 3 is by good branch
Support, and the formation of surrounding lateral mass 422 stops that balancing weight 3 will not produce sliding, and structure movement is stable, the position placed downwards
Ensure accurate.
As an improvement embodiment, balancing weight 3 activity direction is provided at both ends with limit induction component 6,
Limit induction component 6 includes setting on the block 61 rotated around axle 65 and the sensor 62 for being arranged on the outside of block 61, block 61
There is the riser 63 coordinated with sensor 62；Promote block 61 to rotate when balancing weight 3 and foot platform are slid at block 61, erect
Plate 63, which is rotated to the reaction of sensor 62 during 62 front of sensor, makes motor 24 be stopped.By balancing weight 3 in place afterwards to block
61 promotion, after cleverly realizing in place, block 61 is pushed completely out, and riser 63, which reaches sensor 62, obtains sensor 62
Signal, is signaled to motor 24 and makes it be stopped in place, so that the function of bulk testing machine is improved, it is real with cleverly structure
Now it is automatically stopped operation；Balancing weight 3 stops in time after one side guarantee test data acquisition, on the one hand can ensure balancing weight
3 accurately return to initial position.
As an improvement embodiment, be provided with a rotating wheel 64 on block 61, rotating wheel 64 is supported in end
Touch balancing weight 3；Torsion spring is provided with axle 65, torsion spring is compressed when balancing weight 3 contradicts rotating wheel 64, when balancing weight 3 reversely leaves
Torsion spring drives block 61 to reset, and axle 65 is arranged on a bearing 66, and riser 63 stops limit stop by bearing 66 when torsion spring resets
61 rotation position.The setting of rotating wheel 64 play it is good be in contact with balancing weight 3, promote block 61 during, rotation
Contact position can change when turning, using rotating wheel 64 realize roll coordinate, it is to avoid it is interstructural collide with it is impaired, it is ensured that balancing weight 3
Quality it is accurate.The setting of torsion spring makes block 61 reset, and mutually stops defined position with bearing 66 by riser 63 when resetting, knot
Structure is ingenious.
As an improvement embodiment, release cylinder 52 include a push pedal 521, the retrieving position of push pedal 521
The initial position of correspondence balancing weight 3, when foot platform pushes to the initial position of balancing weight 3 in place by propulsion cylinder 51 by pushing away
Plate 521 stops positioning.It is accurate when foot platform is pushed to 3 initial position of balancing weight that the position of push pedal 521 ensure that, raising is matched somebody with somebody
The relative position accuracy placed on it of pouring weight 3, it is ensured that the data of all tests are unified accurate, and the error that instrument is caused is smaller.
As an improvement embodiment, the activity direction of balancing weight 3 is provided with limiting plate 13 on base 11,
Limiting plate 13 is arranged on the both sides of balancing weight 3, close to the position of limiting plate 13 for releasing cylinder 52 and the retrieving position pair of push pedal 521
Should be concordant.The activity skew that the further specification balancing weight 3 of limiting plate 13 and foot platform are likely to occur after being pulled is set, really
Guarantor's balancing weight 3 and the foot platform position when resetting are accurate, and foot platform can accurately be released by releasing cylinder 52.
It the above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of treadmill foot platform frictional testing machine, it is characterised in that：Including frame (1), drive component (2), balancing weight
(3), lifting component (4) and conveying assembly (5), the drive component (2) are arranged in frame (1), and drive component (2) includes peace
(21), slide bar (22), screw rod (23), motor (24), balladeur train (25), pull rope (26) are shelved, the mounting bracket (21) is two
And set up separately in frame (1) both sides, the slide bar (22) is fixedly installed on mounting bracket (21), and the screw rod (23) is rotatable to be set
Put on mounting bracket (21), the motor (24) is installed on a mounting bracket (21) and connecting screw rod (23) one end is driven
Dynamic, balladeur train (25) slip is set on slide bar (22) and screw rod (23), screw rod (23) the rotation drive balladeur train
(25) slide, the pull rope (26) is two, and two pull rope (26) one end are individually fixed in the left and right sides of balladeur train (25),
The other end is individually fixed in the left and right sides of balancing weight (3) through the pulley (27) on the mounting bracket (21) of respective side afterwards,
The bearing of side mounting bracket (21) and pull rope (26) is provided with strength sensor (28)；The lifting component (4) is located at and matched somebody with somebody
The lower section of pouring weight (3) initial position, lifting component (4) includes lifting cylinder (41) and lifting block (42), and the frame (1) includes
The opening (12) passed through for lifting block (42) is provided with base (11), the base (11)；The conveying assembly (5) includes pushing away
Inlet casing (51), release cylinder (52) and delivery track (53), the propulsion cylinder (51) and release cylinder (52) are located at respectively
The front and rear sides of balancing weight (3) initial position, the bottom of the balancing weight (3) has a breach (31)；It is to be tested when using
Foot platform is placed into delivery track (53), pushes foot platform to balancing weight (3) initial position by propulsion cylinder (51), now
Be lifted under the balancing weight (3) that lifting block (42) lifting of cylinder (41) and fall within foot platform, by breach (31) with it is foot-operated
The side matching positioning of platform, motor (24) starts tenses pull rope (26) to foot-operated by screw rod (23) rotation driving balladeur train (25)
Platform applies stable power；When continuing to increase voltage to motor (24), voltage increases to motor (24) and can continue to drive screw rod
(23) when rotating, balladeur train (25) is synchronized with the movement and pulls balancing weight (3) and foot platform to slide, strength sensor (28) same to pacing
Go out power when pulling；Rotated backward by motor (24) and making alive driving balancing weight (3) and foot platform return to initial position, by
Lifting block (42) lifting balancing weight (3), delivery track (53) is pushed out to by release cylinder (52) by foot platform.
2. a kind of treadmill foot platform frictional testing machine according to claim 1, it is characterised in that：The balancing weight
(3) retaining wall (32) is set in the both sides of its activity direction, the breach (31) is formed by both sides retaining wall (32), the balancing weight
(3) when being placed on foot platform to be tested, the depth of retaining wall (32) is less than the thickness of foot platform.
3. a kind of treadmill foot platform frictional testing machine according to claim 2, it is characterised in that：The lifting component
(4) there are four groups and four groups of openings (12) of correspondence are set in four corners of the lower section of balancing weight (3) initial position, the lifting block
(42) include base (421) and be arranged on the lateral mass (422) that on base (421) and two sides is surrounded, the base (421) and lateral mass
(422) rectangular channel (423) for positioning retaining wall (32) corner is formed, the direction correspondence retaining wall (32) of four rectangular channels (423)
Corner；Four lifting cylinder (41) synchronous workings are released or withdrawn, and the corner that four rectangular channels (423) are positioned at retaining wall (32) will
Balancing weight (3) lifting is put down.
4. a kind of treadmill foot platform frictional testing machine according to claim 1 or 2 or 3, it is characterised in that：It is described to match somebody with somebody
Pouring weight (3) activity direction is provided at both ends with limit induction component (6), and the limit induction component (6) includes turning around axle (65)
It is provided with dynamic block (61) and the sensor (62) being arranged on the outside of block (61), the block (61) and sensor (62)
The riser (63) of cooperation；Block (61) rotation, riser are promoted when balancing weight (3) and foot platform slide into block (61) place
(63) sensor (62) reaction makes motor (24) be stopped when in front of rotation to sensor (62).
5. a kind of treadmill foot platform frictional testing machine according to claim 4, it is characterised in that：The block (61)
On be provided with a rotating wheel (64), the rotating wheel (64) contradicts balancing weight (3) in end；Torsion is provided with the axle (65)
Spring, torsion spring is compressed when balancing weight (3) contradicts rotating wheel (64), torsion spring drives block (61) multiple when balancing weight (3) reversely leaves
Position, the axle (65) is arranged on a bearing (66), and riser (63) stops limit stop by bearing (66) when the torsion spring resets
(61) rotation position.
6. a kind of treadmill foot platform frictional testing machine according to claim 1 or 2 or 3, it is characterised in that：It is described to push away
Going out cylinder (52) includes a push pedal (521), and the initial position of the retrieving position correspondence balancing weight (3) of the push pedal (521) works as pin
Smash when platform pushes to the initial position of balancing weight (3) in place by propulsion cylinder (51) by push pedal (521) stop positioning.
7. a kind of treadmill foot platform frictional testing machine according to claim 6, it is characterised in that：The base (11)
On balancing weight (3) activity direction is provided with limiting plate (13), the limiting plate (13) is arranged on the both sides of balancing weight (3),
It is corresponding concordant close to limiting plate (13) position and the retrieving position of push pedal (521) for releasing cylinder (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710415727.XA CN107063995B (en) | 2017-06-05 | 2017-06-05 | Treadle platform friction testing machine of running machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710415727.XA CN107063995B (en) | 2017-06-05 | 2017-06-05 | Treadle platform friction testing machine of running machine |
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| Publication Number | Publication Date |
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| CN107063995A true CN107063995A (en) | 2017-08-18 |
| CN107063995B CN107063995B (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710415727.XA Active CN107063995B (en) | 2017-06-05 | 2017-06-05 | Treadle platform friction testing machine of running machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865993A (en) * | 2021-09-30 | 2021-12-31 | 太原理工大学 | Dynamic and static load-acidic water coupling broken coal and rock mass mechanical testing device and method |
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