CN110044734A - A kind of falling sphere test equipment - Google Patents
A kind of falling sphere test equipment Download PDFInfo
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- CN110044734A CN110044734A CN201910265474.1A CN201910265474A CN110044734A CN 110044734 A CN110044734 A CN 110044734A CN 201910265474 A CN201910265474 A CN 201910265474A CN 110044734 A CN110044734 A CN 110044734A
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- testing tube
- falling sphere
- tube
- testing
- test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/001—Impulsive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Physics & Mathematics (AREA)
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The present invention relates to electronic equipment manufacturing technical fields, disclose a kind of falling sphere test equipment, which includes: pedestal, and the test zone for placing determinand is formed on pedestal；It is vertically installed in the support rod of test zone side in pedestal；With support rod testing tube disposed in parallel, the channel for passing through for test ball is formed on the inside of testing tube, testing tube is installed on support rod by clip, testing tube includes at least two cross-talk testing tubes being successively arranged, and in every adjacent two cross-talks testing tube, sub- testing tube positioned at outside can be fixed after the sliding of the extending direction of testing tube with the sub- testing tube for being located inside by fixed part to adjust the total length of entire testing tube, be connected between the channel passed through in every adjacent two cross-talks testing tube for test ball.The falling sphere test equipment adjusts height of the fall ball by adjusting the length of testing tube, improves the accuracy of falling sphere test, improves work efficiency simultaneously.
Description
Technical field
The present invention relates to electronic equipment manufacturing technical field, in particular to a kind of falling sphere test equipment.
Background technique
In electronic equipment development process, screen, rear pickup camera eyeglass, battery cover etc. need to do falling sphere test, on the one hand
For examining the strength reliability for being used to prepare the raw material of electronic equipment, unqualified raw material are screened out, electricity is on the other hand examined
Each component is to the degree of protection of complete machine in sub- equipment, and avoiding occurring on falling sphere test back casing pit, to cause complete machine function to occur different
Situations such as normal.To guarantee whole aircraft reliability, falling sphere test equipment is equally indispensable set in electronic equipment R&D process
It is standby, complete machine intensity is examined by falling sphere test, so that it is guaranteed that complete machine quality is qualified, reduces problem after sale.
A kind of falling sphere test equipment in the prior art is as shown in Figure 1, include pedestal 01, pedestal is equipped with table support bar
02, the plastic tube 03 perpendicular to pedestal 01 is installed, plastic tube 03 is fixed on platform branch by clip 04 on table support bar 02
On strut, clip end is contacted with plastic tube, and clip end is equipped with screw locking hole 05, can pass through adjusting screw and screwed lock
The tightness in attached hole 05 adjusted plastic tube 03 on the distance between determinand, 03 wall of plastic tube along 03 wall of plastic tube later
Extending direction be equipped with multiple apertures 06, bolt is installed in aperture 06.It, first will be to be measured during carrying out falling sphere test
Object is placed on pedestal, is then installed plastic tube and is adjusted plastic tube close to the falling sphere test of one end of pedestal alignment determinand
Point installs bolt in corresponding aperture further according to falling sphere test height to guarantee to test ball and fall on bolt first when falling
The height of falling sphere is adjusted with this, and test ball is finally put into plastic tube, then plug pin far from one end of determinand by plastic tube
So that test ball is fallen.
It is adjusted in the prior art using the method that areole is arranged in the different height in plastic tube and lateral bolt is housed
Height of the fall ball enters falling sphere from plastic pipe upper port and first falls on bolt, then unpluging bolt falls test ball, this mistake
It is related to plug pin process in journey, and since the operation technique of different operators is different when plug pin, and test ball
Nonstandard quasi-circular, caused by test ball run-off the straight in dropping process, make to cause test effect inaccurate.
Summary of the invention
The present invention provides a kind of falling sphere test equipment, above-mentioned falling sphere test equipment is adjusted by adjusting the length of testing tube
Height of the fall ball is saved, the accuracy of falling sphere test is improved, improves work efficiency simultaneously.
In order to achieve the above objectives, the present invention the following technical schemes are provided:
A kind of falling sphere test equipment, comprising:
Pedestal is formed with the test zone for placing determinand on the pedestal；
It is vertically installed in the support rod of test zone side described in the pedestal；
With support rod testing tube disposed in parallel, the testing tube inside forms logical for passing through for test ball
Road, the testing tube are installed on the support rod by clip, and the testing tube includes that at least two cross-talks being successively arranged are surveyed
Test tube, and in every adjacent two cross-talks testing tube, the sub- testing tube positioned at outside can be after the sliding of the extending direction of the testing tube
Pass through the fixed total length to adjust the entire testing tube of fixed part, every adjacent two cross-talk survey with the sub- testing tube for being located inside
It is connected between the channel passed through in test tube for the test ball.
Above-mentioned falling sphere test equipment includes pedestal, the support rod for being vertically installed in pedestal, the extending direction position along support rod
It sets the adjustable clip being installed on support rod and support rod and length-adjustable testing tube is installed on by clip, wherein bottom
The test zone for placing determinand is formed on seat, need for determinand to be placed in use test zone with into
The test of row falling sphere；The length of testing tube is adjustable, and the channel for passing through for test ball is formed in testing tube, and testing tube includes successively
At least two cross-talk testing tubes being arranged, and in every adjacent two cross-talks testing tube, the sub- testing tube positioned at outside can be along testing tube
Pass through the fixed total length to adjust entire testing tube of fixed part, every phase with the sub- testing tube for being located inside after extending direction sliding
It is connected between the channel passed through in adjacent two cross-talk testing tubes for test ball.It, first will be to during carrying out falling sphere test
Object is surveyed to be placed on base platform；Then testing tube is mounted on support rod by clip makes testing tube close to test zone
One end alignment determinand falling sphere test point, and adjust determinand close to test zone one end and determinand falling sphere test
The distance between point；Then the length of entire testing tube is adjusted according to test request, in adjustment process, by the sub- testing tube in outside
The sub- testing tube slid into after desired height with inside along the extending direction of the sub- testing tube of inside is fixed by fixed part；Finally
Being put into test ball far from the port of test zone one end from testing tube makes test ball do freely falling body fortune in the channel of testing tube
It is dynamic, it falls in test ball in the falling sphere test point of determinand, completes falling sphere test.Falling sphere test equipment in the present invention can root
Falling sphere test point the distance between of the testing tube far from test zone one end and determinand is adjusted according to different test heights, so that
It is to do the movement of falling object that test ball is fallen all every time, and test result is more accurate, avoids in the prior art, due to testing tube
Length is non-adjustable, and test ball is first fallen on bolt corresponding to required test height when falling every time, is then fallen again by bolt
When lower, the operation technique of different operators is different, and tests the nonstandard quasi-circular of ball, caused by test ball in dropping process
Middle run-off the straight finally makes the falling sphere test point for testing ball denection determinand, alternatively, not can guarantee test ball is surveyed with falling sphere
Pilot perpendicular contact and cause test effect inaccurate；And the falling sphere test equipment in the present invention is adjustable due to testing length of tube,
It no longer needs to using bolt, from the feelings without being easily broken off test tube wall
Condition is conducive to the service life for improving testing tube；And falling sphere test equipment of the invention is convenient for storing after use, prevents
The service life of testing tube can be improved in the phenomenon that bending too long and easy due to testing tube.
Preferably, the fixed part includes clamping portion and the multiple apertures fixed with the clamping portion, in which:
It is equipped with groove per the inner wall for the sub- testing tube for being located at outside in adjacent two cross-talks testing tube, the one of the clamping portion
End is arranged in the groove, the other end protrudes the groove, and the clamping portion can be along the extension perpendicular to the testing tube
Direction is flexible；
The sub- testing tube for being located inside in per adjacent two cross-talks testing tube is equipped with the sliding slot mobile for the clamping portion, institute
State that aperture is formed in the sliding slot towards the side inside the sub- testing tube and the aperture is along the extension side of the testing tube
To arrangement.
Preferably, the clamping portion includes elastic component and bead, and one end of the elastic component and the bottom end of the groove are solid
Fixed connection, the other end are contacted with the bead；A part of the bead protrudes the groove and the diameter of the bead is greater than
The diameter of the aperture.
Preferably, the clamping portion includes elastic component and clamping block, and the clamping block includes for being clamped with the aperture
Joint end, one end of the elastic component is fixedly connected with the bottom end of the groove, and the other end and the clamping block are far from described
One end of joint end is fixedly connected；The joint end of the clamping block is spherical, and a part protrusion of the joint end is described recessed
The diameter of slot and the joint end is less than the diameter of the aperture.
It is preferably located at and is equipped with the extending direction arrangement along the sub- testing tube on the outside of the tube wall of the sub- testing tube of inside
Graduation mark.
Preferably, the installation space for installing the testing tube is formed on the inside of the clip and is used for and the testing tube
Side wall offsets with the carrier for preventing testing tube from falling.
Preferably, the testing tube uses plastic material.
Preferably, one end that the clip is connect with the support rod can be moved along the extending direction of the support rod to adjust
Save the distance between the testing tube and the test zone.
Preferably, it is provided on the test tube wall multiple for making to keep one with external air pressure inside the testing tube
The air hole of cause.
Preferably, the air hole is arranged successively along the extending direction of the testing tube.
Detailed description of the invention
Fig. 1 is a kind of falling sphere test equipment in the prior art；
Fig. 2 is a kind of falling sphere test equipment provided by the invention；
Fig. 3 is the structural schematic diagram in falling sphere test equipment provided by the invention after testing tube contraction；
Fig. 4 is the structural schematic diagram of sub- testing tube on the outermost side in falling sphere test equipment provided by the invention；
Fig. 5 is the cross-sectional view of sub- testing tube on the outermost side in falling sphere test equipment provided by the invention；
Fig. 6 is the structural schematic diagram for being located at the sub- testing tube of inside in falling sphere test equipment provided by the invention；
Fig. 7 is the cross-sectional view for being located at the sub- testing tube of inside in falling sphere test equipment provided by the invention；
Fig. 8 is the cross-sectional view in falling sphere test equipment provided by the invention per adjacent two cross-talks testing tube after clamping；
Fig. 9 is the connection schematic diagram of testing tube and clip in falling sphere test equipment provided by the invention；
Figure 10 is force analysis when bead into sliding slot from moving in groove in falling sphere test equipment provided by the invention
Figure.
Icon:
01- pedestal；02- table support bar；03- plastic tube；04- clip；05- screw locking hole；06- aperture；
1- pedestal；2- support rod；3- clip；4- testing tube；5- groove；6- sliding slot；7- spring；8- bead；9- carrier；
10- air hole；11- aperture.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 2 and Fig. 3 are please referred to, the present invention provides a kind of falling sphere test equipment, comprising:
Pedestal 1 is formed with the test zone for placing determinand on pedestal 1；
It is vertically installed in the support rod 2 of test zone side in pedestal 1；
With the testing tube 4 disposed in parallel of support rod 2, the channel for passing through for test ball, test are formed on the inside of testing tube 4
Pipe 4 is installed on support rod 2 by clip 3, and testing tube 4 includes at least two cross-talk testing tubes 4 being successively arranged, and per adjacent two
In cross-talk testing tube 4, the sub- testing tube 4 positioned at outside can be surveyed after the sliding of the extending direction of testing tube 4 with the son for being located inside
Test tube 4 is interior logical for test ball per adjacent two cross-talks testing tube 4 by the fixed total length to adjust entire testing tube 4 of fixed part
It is connected between the channel crossed.
Above-mentioned falling sphere test equipment includes pedestal 1, the support rod 2 for being vertically installed in pedestal 1, along the extension side of support rod 2
Support rod 2 and length-adjustable testing tube are installed on to the adjustable clip 3 being installed on support rod 2 in position and by clip 3
4, wherein be formed with the test zone for placing determinand on pedestal 1, need for determinand to be placed in survey in use
Region is tried to carry out falling sphere test；The length of testing tube 4 is adjustable, forms the channel for passing through for test ball in testing tube 4, surveys
Test tube 4 includes at least two cross-talk testing tubes 4 being successively arranged, and in every adjacent two cross-talks testing tube 4, the son test positioned at outside
Pipe 4 can be fixed after the sliding of the extending direction of testing tube 4 with the sub- testing tube 4 for being located inside by fixed part to adjust entire survey
The total length of test tube 4 is connected per between the interior channel passed through for test ball of adjacent two cross-talks testing tube 4.Carrying out falling sphere survey
During examination, determinand is placed on 1 platform of pedestal first；Then testing tube 4 is mounted on support rod 2 by clip 3
Above so that testing tube 4 is directed at the falling sphere test point of determinand close to one end of test zone, and determinand is adjusted close to test section
The distance between the one end in domain and the falling sphere test point of determinand；Then the length of entire testing tube 4 is adjusted according to test request,
In adjustment process, by the sub- testing tube 4 in outside along the extending direction of the sub- testing tube 4 of inside slide into desired height after with inside
Sub- testing tube 4 fixed by fixed part；Finally being put into test ball far from the port of test zone one end from testing tube 4 makes to test
Ball does the movement of falling object in the channel of testing tube 4, falls in test ball in the falling sphere test point of determinand, completes falling sphere and surveys
Examination.Falling sphere test equipment in the present invention can be adjusted according to different test heights testing tube 4 far from test zone one end with
The distance between falling sphere test point of determinand, so that it is to do the movement of falling object that test ball is fallen all every time, test result is more
Be it is accurate, avoid in the prior art, since 4 length of testing tube is non-adjustable, test ball first falls in required survey when falling every time
It tries on bolt corresponding to height, when then being fallen again by bolt, the operation technique of different operators is different, and tests ball
Nonstandard quasi-circular, caused by test ball run-off the straight in dropping process, finally make test ball denection determinand falling sphere
Test point, alternatively, not can guarantee test ball be with falling sphere test point perpendicular contact and cause test effect inaccurate；And the present invention
In falling sphere test equipment due to 4 length of testing tube it is adjustable, no longer need to using bolt, from without due to test ball it is multiple
The case where hitting bolt and 4 wall of testing tube is easily broken off is conducive to the service life for improving testing tube 4；And it is of the invention
The phenomenon that falling sphere test equipment is convenient for storing after use, prevents due to 4 too long and easy bending of testing tube, can be improved
The service life of testing tube 4.
As shown in Figure 10, it when adjusting the length of testing tube 4, needs to be located in two adjacent cross-talk testing tubes 4
The sub- testing tube 4 in outside along testing tube 4 extending direction pull, this excessively in each section stress diagram as shown,
The pulling force of the sub- testing tube 4 in outside is drawn to be denoted as F1, power of the pulling force effect on clamping portion is F2, and F2 is perpendicular to contact surface, and F2 can
Power F3 horizontally is decomposed, only needs applied force F1 clamping portion can be allowed to retract sliding slot when stretching again so blocking
In 6.
Specifically, fixed part includes clamping portion and the multiple apertures 11 fixed with clamping portion, in which:
As shown in figure 5, the inner wall for being located at the sub- testing tube 4 in outside in per adjacent two cross-talks testing tube 4 is equipped with groove 5,
One end of clamping portion is set in groove 5, the other end protrudes groove 5, and clamping portion can be along the extending direction perpendicular to testing tube 4
It is flexible；
As shown in Figure 6 and Figure 7, the sub- testing tube 4 that inside is located in every adjacent two cross-talks testing tube 4 is equipped with for clamping portion
Mobile sliding slot 6, aperture 11 is formed in sliding slot 6 towards the side inside sub- testing tube 4 and aperture 11 is along the extension side of testing tube 4
To arrangement.
Fixed part includes clamping portion and the aperture 11 with clamping portion cooperation, and clamping portion is set to the sub- testing tube of each adjacent two
In 4 on the inner wall of the sub- testing tube 4 in outside, specifically, groove 5, card are equipped with positioned at the inner wall of the sub- testing tube 4 in outside
One end of socket part is set in groove 5, the other end protrudes groove 5, and clamping portion can be stretched along the extending direction perpendicular to testing tube 4
Contracting；Aperture 11 is set in the sub- testing tube 4 of each adjacent two on the side wall of the sub- testing tube 4 of inside, and per adjacent two sections
Sub- testing tube 4 in sub- testing tube 4 positioned inside is equipped with the sliding slot 6 mobile for clamping portion, and aperture 11 is formed in 6 direction of sliding slot
Side and aperture 11 inside sub- testing tube 4 are arranged along the extending direction of testing tube 4；In wedging position when in groove 5, it is located at
It the sub- testing tube 4 in outside and can slide between the sub- testing tube 4 of inside, in wedging position when in aperture 11, be located at
It the sub- testing tube 4 in outside and is connected and fixed between the sub- testing tube 4 of inside.
Specifically, as shown in figure 8, in one embodiment, clamping portion includes elastic component and bead 8, and the one of elastic component
End is fixedly connected with the bottom end of groove 5, and the other end is contacted with bead 8；A part protrusion groove 5 of bead 8 and the diameter of bead 8
Greater than the diameter of aperture 11.
One end of elastic component and the bottom end of groove 5 fetch fixation by dispensing or gum or ultrasonic bond；A part of bead 8
It protrudes groove 5 to be used for the sliding in sliding slot 6 or be clamped with aperture 11, the diameter of bead 8 is greater than the diameter of aperture 11, therefore i.e.
Make to be not fixed between bead 8 and elastic component, bead 8 will not be dropped out by side of the aperture 11 inside testing tube 4, work as needs
By testing tube 4 by a length adjustment to another length when, directly pull testing tube 4 along the extending direction of testing tube 4
Bead 8 is forced to retract in sliding slot 6 from state of blocking.
Specifically, in another embodiment, clamping portion includes elastic component and clamping block, clamping block include for open
The joint end that hole 11 is clamped, one end of elastic component are fixedly connected with the bottom end of groove 5, and the other end and clamping block are far from joint end
One end is fixedly connected；The joint end of clamping block is spherical, and a part of joint end protrudes groove 5 and the diameter of joint end is less than
The diameter of aperture 11.
One end of elastic component and the bottom end of groove 5 fetch fixation, the other end and clamping by dispensing or gum or ultrasonic bond
Fixation can also be fetched by dispensing or gum or ultrasonic bond between block, can also be not fixed；One of the joint end of clamping block
Point protrusion groove 5 is used for the sliding in sliding slot 6 or is clamped with aperture 11, and the diameter of joint end is greater than the diameter of aperture 11, because
Even if being not fixed between this joint end and elastic component, joint end will not be dropped out by side of the aperture 11 inside testing tube 4,
When needing testing tube 4 by a length adjustment to another length, testing tube directly is pulled along the extending direction of testing tube 4
4 can force joint end to retract in sliding slot 6 from state of blocking.
Specifically, as shown in figure 8, elastic component is spring 7；Alternatively, elastic component is elastic rubber；Alternatively, elastic component is it
His flexible block.
Specifically, the quarter arranged along the extending direction of sub- testing tube 4 is equipped on the outside of the tube wall of the sub- testing tube 4 of inside
Spend line.
It, can be according to the son for being located inside in each adjacent two testing tube 4 during carrying out 4 length adjustment of testing tube
Scale corresponding to the aperture 11 of testing tube 4 adjusts the position of the sub- testing tube 4 positioned at outside, adjusts more convenient, saves
The step of being measured with ruler is needed in the prior art, only need to measure testing tube 4 close to the falling sphere of determinand one end and determinand
The distance between test point.
Specifically, as shown in figure 9, being formed on the inside of clip 3 for installing the installation space of testing tube 4 and being used for and testing tube
4 side walls offset with the carrier 9 for preventing testing tube 4 from falling.
In 4 installation process of testing tube, the smallest sub- 4 end of testing tube of diameter in testing tube 4 need to only be protruded into clip 3
And offset with carrier 9, the smallest sub- testing tube 4 of diameter is by being fixedly connected with clip 3 testing tube 4 is fixed on branch
Strut 2 in falling sphere test equipment of the invention, is accepted testing tube 4 close to one end of determinand using this clip 3,
And using the testing tube 4 of adjustable in length, effectively prevent adjusting falling sphere test height by plug bolt in the prior art
In the process, since test ball is fallen on bolt and plastic tube 03 is not accepted close to one end of determinand, it be easy to cause modeling
Expects pipe 03 is mobile to close determinand side and makes the situation of measurement result inaccuracy.
Using this clip 3, user can complete independently testing tube 4 fixation and to distance between clip 3 and determinand
Adjusting, i.e., user can separately adjustable testing tube 4 between one end of determinand and the falling sphere test point of determinand away from
From, and in the prior art adjust plastic tube 03 between determinand at a distance from when, it is necessary first to unlock clip 04 and tighten up a screw lock
Then screw in attached hole measures 03 bottom end of plastic tube to the distance of determinand, needs a people to hold plastic tube 03 later and protect
It holds vertical direction and holding 03 end of plastic tube and the distance between determinand is constant, another people locks the spiral shell of two clips 04
Silk locks the screw in hole so that the position of plastic tube 03 to be fixed, and is being adjusted using falling sphere test equipment in the prior art
Two people's cooperations are needed when 03 height of plastic tube, and need to dismantle the screw of clip 04, process is cumbersome, working efficiency is low,
And in the present invention, user can be operated with complete independently, and working efficiency greatly improves.
Testing tube 4 can be adjusted close to be measured by placing the washer of different-thickness on the carrier 9 of 3 inside of clip
The distance between object one end and the falling sphere test point of determinand, when testing different determinands, due to determinand
Thickness is different, is likely to result in current testing tube 4 close to the distance between one end of determinand and the falling sphere test point of determinand
The distance between existing aperture 11 of testing tube 4 and height needed for being unsatisfactory for determinand, when being not desired to mobile clip 3, i.e.,
It, can be by being placed not on the carrier 9 of 3 inside of clip when keeping the distance between test zone of clip 3 and pedestal 1 constant
The washer of stack pile carrys out auxiliary adjustment testing tube 4 close to the distance between determinand one end and the falling sphere test point of determinand, from
And reach the requirement for height of falling sphere test.Washer can be added and taken out by tweezers, it is easy to operate.
Specifically, testing tube 4 uses plastic material.
Testing tube 4 uses plastic material, facilitates production.
Specifically, one end that clip 3 is connect with support rod 2 can be moved along the extending direction of support rod 2 to adjust testing tube 4
The distance between test zone.
One end that clip 3 and support rod 2 are fixed can be moved along the extending direction of support rod 2 so that it is convenient to adjust testing tube 4
Close to the distance between determinand one end and the falling sphere test point of determinand.The one end fixed with support rod 2 of clip 3 can use
Mode equipped with screw hole, by the fastening of screw so that clip 3 and support rod 2 are fixed.
Specifically, as shown in Figure 4, Figure 5, Figure 6 and Figure 7, it is provided on 4 wall of testing tube multiple for making inside testing tube 4
The air hole 10 being consistent with external air pressure.
Specifically, air hole 10 is arranged successively along the extending direction of testing tube 4.
On testing tube 4 be equipped with multiple air holes 10 to maintain the air pressure of 4 inner and outer of testing tube consistent, avoid due to
Inner and outer air pressure is inconsistent, influence when test ball moves in the channel in testing tube 4 by resistance.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
Bright spirit and scope.In this way, if these modifications and changes of the present invention belongs to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of falling sphere test equipment characterized by comprising
Pedestal is formed with the test zone for placing determinand on the pedestal；
It is vertically installed in the support rod of test zone side described in the pedestal；
With support rod testing tube disposed in parallel, the testing tube inside forms the channel for passing through for test ball, institute
Testing tube to be stated to be installed on the support rod by clip, the testing tube includes at least two cross-talk testing tubes being successively arranged,
And per in adjacent two cross-talks testing tube, positioned at outside sub- testing tube can after the sliding of the extending direction of the testing tube be located at
The sub- testing tube of inside adjusts the total length of the entire testing tube by fixed part fixation, often in adjacent two cross-talks testing tube
It is connected between the channel passed through for the test ball.
2. falling sphere test equipment according to claim 1, which is characterized in that the fixed part include clamping portion and with it is described
The fixed multiple apertures in clamping portion, in which:
The inner wall for being located at the sub- testing tube in outside in per adjacent two cross-talks testing tube is equipped with groove, and one end of the clamping portion is set
It is placed in the groove, the other end protrusion groove, and the clamping portion can be along the extending direction perpendicular to the testing tube
It is flexible；
The sub- testing tube for being located inside in per adjacent two cross-talks testing tube is equipped with the sliding slot mobile for the clamping portion, described to open
Hole is formed in the sliding slot towards the side inside the sub- testing tube and the aperture is arranged along the extending direction of the testing tube
Column.
3. falling sphere test equipment according to claim 2, which is characterized in that the clamping portion includes elastic component and bead,
One end of the elastic component is fixedly connected with the bottom end of the groove, and the other end is contacted with the bead；One of the bead
The diameter for dividing the diameter for protruding the groove and the bead to be greater than the aperture.
4. falling sphere test equipment according to claim 2, which is characterized in that the clamping portion includes elastic component and clamping
Block, the clamping block include the joint end for being clamped with the aperture, the bottom end of one end of the elastic component and the groove
It is fixedly connected, the other end is fixedly connected with the clamping block far from one end of the joint end；The joint end of the clamping block is
Spherical, the diameter that a part of the joint end protrudes the groove and the joint end are less than the diameter of the aperture.
5. falling sphere test equipment according to claim 1, which is characterized in that on the outside of the tube wall of the sub- testing tube of inside
Graduation mark equipped with the extending direction arrangement along the sub- testing tube.
6. falling sphere test equipment according to claim 1, which is characterized in that formed on the inside of the clip described for installing
The installation space of testing tube and for offseting with the testing tube side wall with the carrier for preventing testing tube from falling.
7. falling sphere test equipment according to claim 1, which is characterized in that the testing tube uses plastic material.
8. falling sphere test equipment according to claim 1, which is characterized in that the clip connect with the support rod one
End can be moved along the extending direction of the support rod to adjust the distance between the testing tube and the test zone.
9. falling sphere test equipment according to claim 1, which is characterized in that be provided with multiple be used on the test tube wall
Make the air hole being consistent inside the testing tube with external air pressure.
10. falling sphere test equipment according to claim 9, which is characterized in that the air hole prolongs along the testing tube
Direction is stretched to be arranged successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265474.1A CN110044734A (en) | 2019-04-03 | 2019-04-03 | A kind of falling sphere test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910265474.1A CN110044734A (en) | 2019-04-03 | 2019-04-03 | A kind of falling sphere test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110044734A true CN110044734A (en) | 2019-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114441288A (en) * | 2021-12-16 | 2022-05-06 | 蚌埠中光电科技有限公司 | A simple ball drop device and method for testing glass impact strength with the same |
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