CN107170336A - Elastic force and spring elongation Linear Experiment analogue means - Google Patents
Elastic force and spring elongation Linear Experiment analogue means Download PDFInfo
- Publication number
- CN107170336A CN107170336A CN201710379807.4A CN201710379807A CN107170336A CN 107170336 A CN107170336 A CN 107170336A CN 201710379807 A CN201710379807 A CN 201710379807A CN 107170336 A CN107170336 A CN 107170336A
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- spring
- block
- plate
- pull bar
- bottom plate
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
- G01M5/0058—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems of elongated objects, e.g. pipes, masts, towers or railways
Abstract
The invention discloses elastic force and spring elongation Linear Experiment analogue means, elastic force and spring elongation Linear Experiment device field are related generally to.Including bottom plate and extension spring, the top of bottom plate is provided with fixed seat, fixed seat is provided with fixed hanging block, bottom plate is provided with the sliding seat being slidably connected along its length with it, sliding seat is provided with movable hanging block, the two ends of extension spring hook and are connected with fixed hanging block and movable hanging block respectively, the lower section of sliding seat is provided with the pull bar being detachably connected with it, the surface of pull bar is provided with helical teeth, the bottom of bottom plate is provided with control box, pull bar runs through control box, the side wall of control box is provided with the check pawl for rotating and being connected with it, check pawl is provided with sector gear, the front side of control box is provided with the control rack that can be plugged, control rack is meshed with sector gear.The beneficial effects of the present invention are：It exempts to install, and can significantly improve the efficiency of experiment and the accuracy rate of data, and the present apparatus is easy to operate and control, and is conducive to obtaining preferable experiment effect.
Description
Technical field
The present invention relates to elastic force and spring elongation Linear Experiment device field, specifically elastic force and spring elongation is linear
Experimental simulation device.
Background technology
It is also the weight of examination even if experiment link helps the key component of students knowledge in Physics Classroom Teaching
Want link.Wherein, in the Classic Experiments on mechanics, elastic force and spring elongation linear relationship confirmatory experiment are to mechanics
Practise indispensable Key Experiment.
In this experiment, it usually needs the experiment apparatus used includes iron stand, spring, counterweight, ruler, graph paper
Deng not only species is scattered, number is various for these experiment apparatuses, is not only difficult to assemble and operate, and the error of experiment is larger, real
Efficiency, the result tested are undesirable.Analyzing its reason mainly includes：
First, tested using apparatuses such as spring, iron stands, assemble it is very time-consuming, waste substantial amounts of energy and
Time, delay study schedule.
Secondly, the fixed effect of iron stand is poor, and spring is easy to rock because of the interference of external force when freely hanging,
Determination to reading brings difficulty.Meanwhile, user is needed in experimentation, and reading is compared using graduated scale, will during reading
The experiment process status of holding meanss, i.e., be when counterweight is hooked on spring, and waits spring to carry out reading after stablizing, it is clear that
More time is wasted, and spring is difficult totally stationary and stably, gives people the larger difficulty of sensing tape.
Further, the acquisition of experimental data relies primarily on the comparison and judgement of naked eyes, and experimental provision as described above is in reading
When keep progress again, the so angle of sight, artificial judgement etc. for comparing point turns into and causes error principal element.
Finally, this experiment is often the link that must examine of examination, but often experiment is necessarily deformed in examination, than
The spring of two connections is such as set to be set a question.And the existing original error of experiment equipment is just than larger, the record of data is just difficult
With accurate, once multiple springs are connected, the stability of whole device is just worse, and its experimentation is just more difficult to control, experimental data
Also it is more undesirable.
The content of the invention
It is an object of the invention to provide elastic force and spring elongation Linear Experiment analogue means, it exempts to install and use, energy
The efficiency of experiment and the accuracy rate of data are enough significantly improved, and the present apparatus is easy to operate and control, and is conducive to obtaining preferable reality
Test effect.
The present invention to achieve the above object, is achieved through the following technical solutions：
Elastic force and spring elongation Linear Experiment analogue means, including bottom plate and extension spring, the bottom plate are vertically arranged and it
Surface, which is provided with to mark on blank, the blank, to be had, and the top of the bottom plate, which is provided with fixed seat, the fixed seat, to be set
There is fixed hanging block, the bottom plate is provided with the sliding seat being slidably connected along its length with it, and the sliding seat is provided with activity
Hanging block, the top of the extension spring hooks with fixed hanging block and is connected, and the bottom of the extension spring hooks with movable hanging block and is connected, described
The lower section of sliding seat is provided with the pull bar being detachably connected with it, and the surface of the pull bar is provided with helical teeth, and the bottom of the bottom plate is set
There is control box, the pull bar runs through control box, and the side wall of the control box is provided with the check pawl for rotating and being connected with it, described
Check pawl is provided with sector gear, and the front side of the control box is provided with the control rack that can be plugged, the control rack with
Sector gear is meshed.
The front side side of the control box is provided with first through hole, and the control rack runs through first through hole, and the control
The outer end of rack processed is provided with back-moving spring, the back-moving spring provided with circular spring base between the spring base and control box
Be enclosed on control rack, when back-moving spring in a state of nature when, the control rack and sector gear are separated, the control
The rotating disk being adapted with its section, the rotating disk and cylinder are provided with barrel shell of the front side side provided with cylinder of box, the barrel shell
The inner thread connection of shell, the inboard of the rotating disk is provided with the circular trough being adapted with spring base, and the outside of the rotating disk is provided with
Swing handle.
The fixed seat is just T-shaped, and the top of the bottom plate is provided with open top and the neck corresponding with fixed seat,
The top of the card groove sidewall symmetrically be provided with upper block, the bottom symmetrical of the card groove sidewall be provided with lower block, the card
The bottom surface of groove is provided with pin-and-hole, and the dorsal part of the fixed seat, which is provided with cavity, the cavity, is provided with linear springs, the straight line bullet
One end of spring and the bottom surface of cavity are connected, and the other end of linear springs is connected with spring catch, and the spring catch matches with pin-and-hole
Conjunction is used.
The fixed hanging block includes the first hanging column and the first block plate, the outer end of first hanging column and the inboard of the first block plate
Side is fixedly connected, and the diameter of first block plate is 1.5~2.0 times of the first hanging column diameter.
Chute is provided with the bottom plate along its length, the top of the chute is connected with the bottom side of neck, described
The section of chute is that inner chamber is wider than the T-shaped of A/F, and the sliding seat is the rectangular slab being connected with slide, the work
The inboard bottom surface of dynamic seat is provided with placed in the middle provided with activity extension in the ball for rotating and being connected with it, the outer lateral side of the sliding seat
Block, the movable hanging block includes the second hanging column and the second block plate, and the inner of second hanging column is fixedly connected with sliding seat, described
The outer end of second hanging column is fixedly connected with the inboard side of the second block plate, and circular array shows waist-shaped hole on second block plate.
The outside of the movable hanging block between two parties be provided with groove, the groove is described for cylinder and through the second hanging column
The top of groove is provided with internal thread, the groove provided with the access plate being detachably connected with it, and the access plate includes symmetrical
The first plate body and the second plate body with both sides is set, and first plate body is provided with the magnifying glass for being used for observing length scale, institute
State it is placed in the middle along its length on magnifying glass be provided with mark line, the outside of second plate body between two parties be provided with marking groove, it is described
Fetch plate dorsal part between two parties provided with the mounting head being threadedly coupled with internal thread.
The distance of adjacent inclined teeth is 0.5mm~1.0mm on the pull bar.
The top of the pull bar is provided with the upper collar, and the bottom of the pull bar is provided with screw, the bottom of the pull bar be provided with
Its hook and link for being detachably connected, the top of the hook and link is equipped with the screw being threadedly coupled with screw.
Side of the bottom plate away from length scale, which is provided with slot, the opening of the slot, is provided with depression bar, the depression bar
The upper and lower ends of bottom side be equipped with rubber filler strip, the registration card adaptable with it is provided with the slot, the registration card is
Surface recombination has the plastic cards of writing film.
The dorsal part of the bottom plate between two parties be provided with socket, the dorsal part of the bottom plate is removably connected with fixed support, described
Support bracket fastened top and socket activity grafting.
Prior art is contrasted, the beneficial effects of the present invention are：
When the 1st, carrying out elastic force and spring elongation linear relationship confirmatory experiment using the present apparatus, it is not necessary to carry out complicated peace
Preparation is filled, extension spring is directly hooked between fixed seat and sliding seat into (or between sliding seat and sliding seat) can complete whole
Time and efforts on the assembling of individual device, saving class.Academics and students are allowed to be absorbed in experiment.
The specifically used method of the present apparatus in an experiment is：
When carrying out the Linear Experiment of single extension spring：One extension spring is hooked between fixed seat and sliding seat, the work
Dynamic seat plays a part of forming a connecting link in the bottom of extension spring, on the one hand connection extension spring, and still further aspect cylinder lever connecting rod is light by counterweight
The light bottom for being hooked on pull bar, extension spring stress stretching, pull bar slide downward in control box when reaching poised state, removes weight
Code, check pawl brake bar makes pull bar, makes its remains stationary in pull bar with extension spring two-way function, experimenter's inclined floor makes it
Reading and record are carried out under suitably observation sight.Increase the quantity of counterweight successively again, repeat above-mentioned reading operation ring
Section.
When carrying out the Linear Experiment of 2 or multiple extension springs：Fixed seat-extension spring-sliding seat-drawing is sequentially connected from top to bottom
Spring (during multiple extension springs, the unit of " sliding seat-extension spring " increases on demand)-sliding seat, counterweight is gently hooked on the bottom of pull bar,
Extension spring stress is stretched, pull bar slide downward in control box, when reaching poised state, removes counterweight, check pawl brake bar
Make pull bar, make its remains stationary in pull bar with extension spring two-way function, experimenter's inclined floor makes it under suitably observation sight
Carry out reading and record.Increase the quantity of counterweight successively again, repeat above-mentioned reading operation link.
After experiment terminates, when needing to reset, insertion control rack, you can making control rack be engaged sector gear makes its turn
It is dynamic, and then check pawl is left the helical teeth on pull bar surface, make pull bar free.
First, the present apparatus is by the sliding seat that is slided up and down with bottom plate, and the stability of whole device is played and significantly carried
High effect, can either prevent swinging for extension spring, again can prevent hook code and pull bar from swinging, device is quickly reached
To stability, conventional efficient and effect are improved, it is to avoid the interference of extraneous factor.
Meanwhile, the center of the movable hanging block and fixed hanging block is used as the reference point of reading, stable clear and definite, Neng Gouzeng
The accuracy judged by force.
Secondly, the check pawl can be automatically prevented from pull bar retraction, make pull bar remains stationary, stably with extension spring collective effect
State, provide an ideal conditions for reading, improve the accuracy rate that people judge.Simultaneously as the automatic stop of pull bar
Effect, makes after counterweight balance and stability, and people bend body without bending over and go section to carry out reading with regard to device, and can tilt or lift this dress
Put, reading is carried out by comfortable posture, rational sight angle, reduce due to the error that sight height is caused, convenient experiment
Operation.
2nd, the control rack is controlled by rotating swing handle：
When rotation swing handle makes rotating disk be located at the outer end of barrel shell, spring base is lifted off control box by the back-moving spring, so that
Control rack is slid in and out by first through hole, leave sector gear, sector gear is in the state loosened, check pawl
Play its function.
Rotating disk screw thread rotation is entered in barrel shell when rotating swing handle, i.e., compression reseting spring and by spring base to control box side
To being pressed adjacent to, so that control rack insertion first through hole, and engaged with sector gear, make check pawl pawl point tilt from
Pull bar surface is opened, check pawl loses its function.
Control-rod is controlled by said structure, operating method is very convenient, rotation swing handle can be completed.Meanwhile,
The threaded connection relation of rotating disk and barrel shell, makes people stop when being exerted a force to swing handle, rotating disk remains able to rest on current position.
That is, when people screw in swing handle and unclamp swing handle, check pawl can keep failure, when people screw out swing handle and unclamp swing handle, stop
Returning ratchet can keep working.Make people to the state precise control of pull bar, conveniently.
3rd, it is also supporting part because fixed seat is the fixed part to entirely testing, therefore after its opposed bottom is installed
Stability is just particularly important.The fixed seat is inserted from the open top of neck, and the upper block can block solid in top side
Reservation, the lower block can block fixed seat in downside, realize fixed seat in the horizontal direction spacing, and the spring catch energy
Enough in the vertical directions are spacing to fixed seat progress, so as to which fixed seat is firmly fixed in neck, realize whole real
Effective fixation of the strong point during testing, improves the stability in experiment.Meanwhile, above-mentioned fixed effect is solid by being inserted directly into
Reservation is that can be achieved, easy to operate without installing again and using extra component (such as screw, buckle).Allow teacher and
Student can be absorbed in experiment.
4th, the ball of the sliding seat bottom surface, can significantly reduce its frictional force slided up and down with chute, reduce experiment
In disturbing factor.
The sliding seat is the square plate more than the second hanging column, when in chute can effectively holding activity hanging block with respect to floor
Plumbness.
Due to as the connection component formed a connecting link, in order to reduce the influence to experiment, sliding seat should be reduced as far as possible
Weight, therefore sliding seat and movable hanging block select plastic assembly, while setting waist-shaped hole and groove, are not influenceing the premise of its function
Under, can be cost-effective, own wt can be substantially reduced again.
The access plate is flexibly used as needed.Because it can greatly improve the convenience and accuracy of access, therefore
When it is desired to be used, it is threadably mounted in groove, the first plate body and the second plate body are in monosymmetric water after installing
Level state, by the magnifying glass on the first plate body, can amplify length scale, become apparent from reading.And first occupy on plate body
The horizontal lines of middle setting, are highlighted using red line, and the center with movable hanging block is corresponding, are overlapped by mark line in length
Spend scale above carry out reading, compared to the reference point on spring and scale it is misaligned in the case of, judge position using macroscopic level
Put and reading, substantially reduce reading difficulty, and significantly improve reading accuracy.Be conducive to obtaining comparatively ideal experimental data.Together
When needing record data and mark position, using left and right is rule in marking groove between pen core, straight line is left on bottom plate and is drawn
Line.The position of marking groove is corresponding with mark line, greatly facilitates the quick position mark of people, and mark is judged compared to naked eyes
Note, the accuracy of position record is greatly improved.
5th, insertion registration card in the slot, you can by the length mark of each test spring on registration card, replace paper
Waste, and registration card surface may be reused, and greatly save resource.
6th, the fixed support insertion socket, you can erected the present apparatus on the table, it is easy to use.
Brief description of the drawings
Accompanying drawing 1 is schematic diagram of the present invention using an extension spring.
Accompanying drawing 2 is schematic diagram of the present invention using two extension springs.
Accompanying drawing 3 is the side structure schematic diagram of the present invention.
Accompanying drawing 4 is the schematic diagram of bottom plate of the present invention.
Accompanying drawing 5 is the schematic diagram of pull bar of the present invention.
Accompanying drawing 6 is the front schematic view of sliding seat of the present invention, movable hanging block and plate of fetching.
Accompanying drawing 7 is the sectional view of the present invention.
Accompanying drawing 8 is the exploded perspective view of sliding seat of the present invention, movable hanging block and plate of fetching.
Accompanying drawing 9 is the schematic diagram of extension spring of the present invention.
Accompanying drawing 10 is the A portions enlarged drawing of accompanying drawing 3 of the present invention.
Accompanying drawing 11 is the B portions enlarged drawing of accompanying drawing 3 of the present invention.
Label shown in accompanying drawing：
1st, bottom plate；2nd, extension spring；3rd, fixed seat；4th, sliding seat；5th, pull bar；6th, control box；7th, check pawl；8th, sector
Wheel；9th, rack is controlled；10th, spring base；11st, back-moving spring；12nd, barrel shell；13rd, rotating disk；14th, swing handle；15th, neck；16th, upper gear
Block；17th, lower block；18th, pin-and-hole；19th, linear springs；20th, spring catch；21st, the first hanging column；22nd, the first block plate；23rd, chute；
24th, ball；25th, the second hanging column；26th, the second block plate；27th, waist-shaped hole；28th, groove；29th, the first plate body；30th, the second plate body；31、
Magnifying glass；32nd, mark line；33rd, marking groove；34th, mounting head；35th, the collar；36th, link up with；37th, link；38th, slot；39th, depression bar；
40th, registration card；41st, socket；42nd, fixed support.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within scope defined herein.
Of the present invention is elastic force and spring elongation Linear Experiment analogue means, and agent structure includes bottom plate 1 and extension spring
2, when carrying out elastic force with spring elongation linear relationship confirmatory experiment using the present apparatus, it is not necessary to carry out complicated installation beam worker
Make, extension spring 2 is directly hooked between fixed seat 3 and sliding seat 4 into (or between sliding seat 4 and sliding seat 4) can complete entirely
Time and efforts on the assembling of device, saving class.Academics and students are allowed to be absorbed in experiment.The bottom plate 1 be vertically arranged and
Its surface is provided with blank, convenient that experimental data is directly recorded on blank, or marks the extended length of spring, very convenient.
There is mark, the top of the bottom plate 1 is provided with fixed seat 3, and the fixed seat 3 is hung provided with fixed on the blank
Block, the top of the extension spring 2 hooks with fixed hanging block and is connected, and is formed and is set on the strong point to extension spring 2, the bottom plate 1 on top
There is the sliding seat 4 being slidably connected along its length with it, the sliding seat 4 is provided with movable hanging block, and the bottom of the extension spring 2
Hook and be connected with movable hanging block, the present apparatus is by the sliding seat 4 that is slided up and down with bottom plate 1, and the stability to whole device is played
It is significant to improve effect, swinging for extension spring 2 can either be prevented, swinging for hook code and pull bar 5 can be prevented again, makes dress
Put and quickly reach stability, improve conventional efficient and effect, it is to avoid the interference of extraneous factor.Meanwhile, the activity
Stablize clear and definite as the reference point of reading, the accuracy of judgement can be strengthened in the center of hanging block and fixation hanging block.The work
The lower section of dynamic seat 4 is provided with the pull bar 5 being detachably connected with it, and the surface of the pull bar 5 is provided with helical teeth, the bottom of the bottom plate 1
Provided with control box 6, the pull bar 5 runs through control box 6, and the side wall of the control box 6 is provided with the non-return spine for rotating and being connected with it
Pawl 7, the check pawl 7 can be automatically prevented from pull bar 5 and bounce back, and make the remains stationary of pull bar 5, stable shape with the collective effect of extension spring 2
State, an ideal conditions is provided for reading, improves the accuracy rate that people judge.Simultaneously as the automatic stop effect of pull bar 5
Really, make after counterweight balance and stability, people bend body without bending over and go section to carry out reading with regard to device, and can tilt or lift this dress
Put, reading is carried out by comfortable posture, rational sight angle, reduce due to the error that sight height is caused, convenient experiment
Operation.The check pawl 7 is provided with sector gear 8, and the front side of the control box 6 is provided with the control rack 9 that can be plugged, institute
Control rack 9 is stated to be meshed with sector gear 8.When needing to reset, insertion control rack 9, you can make the occlusion fan of control rack 9
Shape gear 8 rotates it, and then check pawl 7 is left the helical teeth on the surface of pull bar 5, makes pull bar 5 freely.
As the pull bar 5 of transmission counterweight pulling force, control of which will conveniently keep it in free state, or be maintained at
Non-return state, can just be conducive to the progress of experiment.The front side side of the control box 6 is provided with first through hole, the control tooth
Bar 9 runs through first through hole, and spring base 10 of the outer end provided with circle of the control rack 9, the spring base 10 and control box 6
Between be provided with back-moving spring, the back-moving spring be enclosed on control rack 9 on, when back-moving spring in a state of nature when, the control
Rack 9 processed is separated with sector gear 8, barrel shell 12 of the front side side provided with cylinder of the control box 6, the barrel shell 12
Outer end is provided with the rotating disk 13 for being provided with and being adapted with its section in baffle ring, the barrel shell 12, the inwall of the rotating disk 13 and barrel shell 12
Threaded connection, the inboard of the rotating disk 13 is provided with the circular trough being adapted with spring base 10, and the outside of the rotating disk 13 is provided with rotation
Handle 14.The control rack 9 is set to be controlled by rotating swing handle 14：Rotating disk 13 is set to be located at the outer of barrel shell 12 when rotating swing handle 14
During end, spring base 10 is lifted off control box 6 by the back-moving spring, so that control rack 9 is slid in and out by first through hole, from
Sector gear 8 is opened, sector gear 8 is in the state loosened, check pawl 7 plays its function.Make rotating disk when rotating swing handle 14
13 screw thread rotations enter in barrel shell 12, i.e., compression reseting spring and be pressed adjacent to spring base 10 to the direction of control box 6, so that
The insertion first through hole of rack 9 is controlled, and is engaged with sector gear 8, the pawl point of check pawl 7 is tilted and leaves the surface of pull bar 5, only
Return ratchet 7 and lose its function.
Control-rod is controlled by said structure, operating method is very convenient, rotation swing handle 14 can be completed.Together
When, the threaded connection relation of rotating disk 13 and barrel shell 12, when making the people stop exerting a force to swing handle 14, rotating disk 13 remains able to rest on
Current position.That is, when people screw in swing handle 14 and unclamp swing handle 14, check pawl 7 can keep failure, be revolved when people screw out
Handle 14 simultaneously unclamps swing handle 14, and check pawl 7 can keep working.Make people to the state precise control of pull bar 5, conveniently.
It is also supporting part because fixed seat 3 is the fixed part to entirely testing, therefore after its opposed bottom 1 is installed
Stability is just particularly important.The fixed seat 3 is just T-shaped, by being engaged with T-shaped neck 15, and its top is wider
Structure, is conducive to load-bearing.The top of the bottom plate 1 is provided with open top and the neck 15 corresponding with fixed seat 3, the fixation
Seat 3 is inserted from the open top of neck 15, and the top of the side wall of neck 15 is symmetrically provided with upper block 16, the upper block
16 can block fixed seat 3 in top side, and the bottom symmetrical of the side wall of neck 15 is provided with lower block 17, the lower energy of block 17
Enough that fixed seat 3 is blocked in downside, upper block 16 and lower block 17 realize spacing, the card of fixed seat 3 in the horizontal direction jointly
The bottom surface of groove 15 is provided with pin-and-hole 18, and the dorsal part of the fixed seat 3, which is provided with cavity, the cavity, is provided with linear springs 19, institute
One end of linear springs 19 and the bottom surface of cavity is stated to connect, and the other end of linear springs 19 is connected with spring catch 20, the bullet
Spring pin 20 is used in combination with pin-and-hole 18.Can in the vertical direction fixed seat 3 is carried out it is spacing, so as to by fixed seat 3
It is firmly fixed in neck 15, realizes effective fixation of the strong point in whole experiment process, improves the stability in experiment.Together
When, above-mentioned fixed effect can be achieved by being inserted directly into fixed seat 3, without installing again and using extra component (such as spiral shell
Nail, buckle etc.), it is easy to operate.Academics and students are allowed to be absorbed in experiment.The bottom surface of the cavity leads to provided with second
Rib is provided with hole, the opening of the cavity, the spring catch 20 is for wedge shape and outside cavity, the inner of the plunger
Provided with fix bar and deck, the fix bar is centrally located and is socketed in linear springs 19, second through hole and fix bar
Corresponding, the section of the deck is L shape, and the rib is spacing in cavity by deck.The deck can be by spring catch
20 are limited in fixed seat 3.
The fixed hanging block includes the first hanging column 21 and the first block plate 22, outer end and the first block plate of first hanging column 21
22 inboard side is fixedly connected, and for hanging extension spring 2, and the diameter of first block plate 22 is the 1.5 of the diameter of the first hanging column 21
~2.0 times.Prevent it from coming off for blocking extension spring 2.Play and stop spacing effect.
Chute 23 is provided with the bottom plate 1 along its length, the top of the chute 23 is connected with the bottom side of neck 15
It is logical, fixed seat 3 is removed, the opening that the sliding seat 4 is arranged in neck 15 by the top of chute 23 is inserted in chute 23, dismounting
Combination is very convenient, and the section of the chute 23 is wider than the T-shaped of A/F for inner chamber, and the sliding seat 4 is and chute 23
The rectangular slab being slidably connected, when in chute 23 can effectively holding activity hanging block with respect to floor plumbness.The activity
The inboard bottom surface of seat 4 is provided with the ball 24 for rotating and being connected with it, can significantly reduce its friction slided up and down with chute 23
Power, reduces the disturbing factor in experiment.Placed in the middle provided with movable hanging block in the outer lateral side of the sliding seat 4, the activity is hung
Block includes the second hanging column 25 and the second block plate 26, and the inner of second hanging column 25 is fixedly connected with sliding seat 4, and described second hangs
The outer end of post 25 is fixedly connected with the inboard side of the second block plate 26, due to as the connection component formed a connecting link, in order to reduce
Influence to experiment, should reduce the weight of sliding seat 4 as far as possible, therefore sliding seat 4 and movable hanging block select plastic assembly, and described the
Circular array shows waist-shaped hole 27 on two block plates 26., can be cost-effective on the premise of its function is not influenceed, it can substantially reduce again
Own wt.
The outside of the movable hanging block between two parties be provided with groove 28, the groove 28 is for cylinder and through the second hanging column
25, lightweight packages are further reduced, the top of the groove 28 is provided with to be provided with internal thread, the groove 28 detachably to be connected with it
The access plate connect, the access plate is transparent plastic component, observation of the without prejudice to lower section.The access plate is flexible as needed
Use.Because it can greatly improve the convenience and accuracy of access, the access plate includes being symmetrical arranged the with both sides
One plate body 29 and the second plate body 30, first plate body 29 are provided with the magnifying glass 31 for being used for observing length scale, can amplify
Length scale, becomes apparent from reading.It is placed in the middle along its length on the magnifying glass 31 to be provided with mark line 32, it is prominent using red line
Go out display, the center with movable hanging block is corresponding, is overlapped by mark line 32 and reading is carried out above length scale, compared in bullet
In the case of reference point on spring and scale are misaligned, judge position and reading using macroscopic level, substantially reduce reading difficulty, and
Significantly improve reading accuracy.Be conducive to obtaining comparatively ideal experimental data.The outside of second plate body 30 being provided between two parties
Marking groove 33, at the same when needing record data and mark position, using left and right is rule in marking groove 33 between pen core, bottom plate
Straight line line is left on 1.The position of marking groove 33 is corresponding with mark line 32, greatly facilitates the quick position mark of people
Note, compared to naked eyes judge mark, the accuracy of position record is greatly improved.It is described access plate dorsal part between two parties be provided with and interior spiral shell
The mounting head 34 of line threaded connection.Therefore when it is desired to be used, be threadably mounted in groove 28, the first plate body 29 after installing
Monosymmetric horizontality is in the second plate body 30.
The distance of adjacent inclined teeth is 0.5mm~1.5mm on the pull bar 5.It is more fine and closely woven, reduce experimental error.
The top of the pull bar 5 is provided with the upper collar 35, and the bottom of the pull bar 5 is provided with screw, and the bottom of the pull bar 5 is set
There are the hook 36 and link 37 being detachably connected with it, the top of the hook 36 and link 37 is equipped with to be threadedly coupled with screw
Screw.Because the counterweight top having is hook 36, and some counterweight tops are the quoit of closure, can be selected using hook
36 or link 37, the need for the experiment apparatus hooked.
The side of the bottom plate 1 away from length scale, which is provided with slot 38, the opening of the slot 38, is provided with depression bar 39, institute
The upper and lower ends for stating the bottom side of depression bar 39 are equipped with rubber filler strip, conveniently push down the upper and lower ends of the outer ledge of registration card 40,
Fixed registration card 40.And when extracting registration card 40 out will not mould flower record data and mark line 32, be provided with the slot 38 with
Its adaptable registration card 40, you can by the length mark of each test spring on registration card 40, replaces the waste of paper, institute
Stating registration card 40 has the plastic cards of writing film for surface recombination.The surface of registration card 40 may be reused, and greatly save money
Source.
The dorsal part of the bottom plate 1 between two parties be provided with socket 41, the dorsal part of the bottom plate 1 is removably connected with fixed support
42, the fixed support 42 is the tubular support of L-shaped, top and the activity grafting of socket 41 of the fixed support 42.It is described solid
Fixed rack 42 inserts socket 41, you can erected the present apparatus on the table, easy to use.
Embodiment：Elastic force and spring elongation Linear Experiment analogue means, agent structure include bottom plate 1 and extension spring 2, described
The dorsal part of bottom plate 1 between two parties be provided with socket 41, the socket 41 be provided with bottom surface opening double end jack, the back of the body of the bottom plate 1
Side is removably connected with fixed support 42, and the fixed support 42 is the tubular support of L-shaped, the top of the fixed support 42 with
The activity grafting of socket 41.The adjustable length of the fixed support 42, the bottom plate 1 is vertically arranged and its surface is provided with and can used
Being marked on the blank that marking pen etc. is write and marked, the blank has, and the bottom plate 1 is away from length scale
Side, which is provided with slot 38, the opening of the slot 38, is provided with depression bar 39, and the upper and lower ends of the bottom side of the depression bar 39 are equipped with
The registration card 40 adaptable with it is provided with rubber filler strip, the slot 38, the registration card 40 is that surface recombination has writing film
Plastic cards.
The top of the bottom plate 1 is provided with fixed seat 3, and the fixed seat 3 is just T-shaped, and the fixed seat 3 is provided with fixation
Hanging block, the fixed hanging block includes the first hanging column 21 and the first block plate 22, the outer end of first hanging column 21 and the first block plate 22
Inboard side be fixedly connected, and the diameter of first block plate 22 is 1.5~2.0 times of the diameter of the first hanging column 21.
The top of the bottom plate 1 is provided with open top and the neck 15 corresponding with fixed seat 3, the side wall of neck 15
Top symmetrically be provided with upper block 16, the bottom symmetrical of the side wall of neck 15 be provided with lower block 17, the bottom of the neck 15
Face is provided with pin-and-hole 18, and the dorsal part of the fixed seat 3, which is provided with cavity, the opening of the cavity, is provided with rib, the cavity
Bottom surface, which is provided with the second through hole, the cavity, is provided with linear springs 19, one end of the linear springs 19 and the bottom surface of cavity
Connection, and the other end of linear springs 19 is connected with spring catch 20, the spring catch 20 is for wedge shape and outside cavity, institute
Spring catch 20 is stated to be used in combination with pin-and-hole 18.The inner of the plunger is provided with fix bar and deck, and the fix bar is set between two parties
Put and be socketed in linear springs 19, second through hole is corresponding with fix bar, the section of the deck is L shape, and institute
State rib deck is spacing in cavity, on the bottom plate 1 along its length be provided with chute 23, the top of the chute 23 with
The bottom side of neck 15 is connected, and the section of the chute 23 is wider than in the T-shaped of A/F, the chute 23 for inner chamber to be provided with
The sliding seat 4 being slidably connected with it, the sliding seat 4 is rectangular slab, and the inboard bottom surface of the sliding seat 4 is provided with to be rotated with it
Placed in the middle provided with movable hanging block in the ball 24 of connection, the outer lateral side of the sliding seat 4, the movable hanging block includes second and hung
The block plate 26 of post 25 and second, second hanging column 25 the inner be fixedly connected with sliding seat 4, the outer end of second hanging column 25 and
The inboard side of second block plate 26 is fixedly connected, and circular array shows waist-shaped hole 27 on second block plate 26.The movable hanging block
Outside between two parties be provided with groove 28, the groove 28 is for cylinder and through the second hanging column 25, and the top of the groove 28 is set
Have provided with the access plate being detachably connected with it in internal thread, the groove 28, the access plate includes being symmetrical arranged and both sides
The first plate body 29 and the second plate body 30, first plate body 29, which is provided with, to be used to observe the magnifying glass 31 of length scale, described
It is placed in the middle along its length on magnifying glass 31 to be provided with mark line 32, the outside of second plate body 30 between two parties be provided with marking groove
33, it is described access plate dorsal part between two parties provided with the mounting head 34 being threadedly coupled with internal thread.
The extension spring 2 is as spare package, and every group of device is equipped with 3, and the top and bottom of the extension spring 2 are equipped with extension
Hook 36, the top of the extension spring 2 hooks with fixed hanging block and is connected, and the bottom of the extension spring 2 hooks with movable hanging block and is connected,
In specific experiment, it can be used alone an extension spring 2 and verified, the top of this extension spring 2 is hung on fixed hanging block, this is drawn
The bottom of spring 2 is hung on movable hanging block or using 2 or three series connection, i.e., hang over an extension spring 2 on fixed hanging block
Afterwards, the movable hanging block of hook, extension spring 2, movable hanging block (as shown in Figure 2) successively from top to bottom,
The lower section of the sliding seat 4 is provided with the pull bar 5 being detachably connected with it, and the top of the pull bar 5 is provided with the upper collar
35, the collar 35 can pass through the second block plate 26, so as to be hooked on the second hanging column 25, the bottom of the pull bar 5 is provided with spiral shell
Hole, the bottom of the pull bar 5 is provided with the hook 36 and link 37 that are detachably connected with it, the top of the hook 36 and link 37
It is equipped with the screw being threadedly coupled with screw.The bottom that may be alternatively mounted at pull bar 5 both as component is used, described to draw
The distance that the surface of bar 5 is provided with adjacent inclined teeth on helical teeth, the pull bar 5 is 0.8mm.
The bottom of the bottom plate 1 is provided with control box 6, and the pull bar 5, which runs through on control box 6, the side wall of the control box 6, to be set
There is the check pawl 7 for rotating and being connected with it, the check pawl 7 is provided with sector gear 8, and the front side of the control box 6 is provided with
The control rack 9 that can be plugged, the control rack 9 is meshed with sector gear 8.Set on the front side side of the control box 6
There is first through hole, the control rack 9 runs through first through hole, and spring base 10 of the outer end provided with circle of the control rack 9,
Back-moving spring is provided between the spring base 10 and control box 6, the back-moving spring is enclosed on control rack 9, works as back-moving spring
When in a state of nature, the control rack 9 is separated with sector gear 8, and the front side side of the control box 6 is provided with cylinder
Barrel shell 12, the outer end of the barrel shell 12 is provided with the rotating disk 13 for being provided with and being adapted with its section in baffle ring, the barrel shell 12, described
Rotating disk 13 is connected with the inner thread of barrel shell 12, and the inboard of the rotating disk 13 is provided with the circular trough being adapted with spring base 10, institute
The outside for stating rotating disk 13 is provided with swing handle 14.
Claims (10)
1. elastic force and spring elongation Linear Experiment analogue means, it is characterised in that：Including bottom plate (1) and extension spring (2), the bottom
Plate (1) is vertically arranged and its surface is provided with blank, and marking on the blank has, and the top of the bottom plate (1) is provided with
Fixed seat (3), the fixed seat (3) is provided with fixed hanging block, and the bottom plate (1) is provided with and is slidably connected along its length with it
Sliding seat (4), the sliding seat (4) is provided with movable hanging block, and the top of the extension spring (2) is connected with fixed hanging block hook,
And the bottom of the extension spring (2) hooks with movable hanging block and be connected, the lower section of the sliding seat (4) with it provided with being detachably connected
Pull bar (5), the surface of the pull bar (5) is provided with helical teeth, and the bottom of the bottom plate (1) is provided with control box (6), the pull bar (5)
Through control box (6), the side wall of the control box (6) is provided with the check pawl (7) for rotating and being connected with it, the check pawl
(7) sector gear (8) is provided with, the front side of the control box (6) is provided with the control rack (9) that can be plugged, the control tooth
Bar (9) is meshed with sector gear (8).
2. elastic force and spring elongation Linear Experiment analogue means according to claim 1, it is characterised in that：The control box
(6) front side side is provided with first through hole, and the control rack (9) runs through first through hole, and the control rack (9) is outer
End is provided with back-moving spring (11) provided with circular spring base (10) between the spring base (10) and control box (6), described to reset
Spring (11) is enclosed in control rack (9), when back-moving spring (11) in a state of nature when, the control rack (9) with it is fan-shaped
Gear (8) is separated, barrel shell (12) of the front side side provided with cylinder of the control box (6), is provided with the barrel shell (12)
The rotating disk (13) being adapted with its section, the rotating disk (13) is connected with the inner thread of barrel shell (12), the rotating disk (13)
Inboard is provided with the circular trough being adapted with spring base (10), and the outside of the rotating disk (13) is provided with swing handle (14).
3. elastic force and spring elongation Linear Experiment analogue means according to claim 1, it is characterised in that：The fixed seat
(3) it is just T-shaped, the top of the bottom plate (1) is provided with open top and the neck (15) corresponding with fixed seat (3), described
The top of neck (15) side wall symmetrically be provided with upper block (16), the bottom symmetrical of neck (15) side wall be provided with lower block
(17), the bottom surface of the neck (15) is provided with pin-and-hole (18), and the dorsal part of the fixed seat (3) is provided with cavity, the cavity
Provided with linear springs (19), one end of the linear springs (19) and the bottom surface of cavity are connected, and linear springs (19) is another
End is connected with spring catch (20), and the spring catch (20) is used in combination with pin-and-hole (18).
4. elastic force and spring elongation Linear Experiment analogue means according to claim 1, it is characterised in that：The fixed extension
Block includes the first hanging column (21) and the first block plate (22), the outer end of first hanging column (21) and the inboard side of the first block plate (22)
Face is fixedly connected, and the diameter of first block plate (22) is 1.5~2.0 times of the first hanging column (21) diameter.
5. elastic force and spring elongation Linear Experiment analogue means according to claim 3, it is characterised in that：The bottom plate
(1) chute (23) is provided with along its length, the top of the chute (23) is connected with the bottom side of neck (15), the cunning
The section of groove (23) is that inner chamber is wider than the T-shaped of A/F, and the sliding seat (4) is the rectangle being slidably connected with chute (23)
Plate, the inboard bottom surface of the sliding seat (4) is provided with the ball (24) for rotating and being connected with it, the outside side of the sliding seat (4)
Placed in the middle provided with movable hanging block on face, the movable hanging block includes the second hanging column (25) and the second block plate (26), second extension
The inner of post (25) is fixedly connected with sliding seat (4), the outer end of second hanging column (25) and the inboard side of the second block plate (26)
Face is fixedly connected, and circular array shows waist-shaped hole (27) on second block plate (26).
6. elastic force and spring elongation Linear Experiment analogue means according to claim 5, it is characterised in that：The activity is hung
The outside of block between two parties be provided with groove (28), the groove (28) is for cylinder and through the second hanging column (25), the groove
(28) top is provided with provided with the access plate being detachably connected with it in internal thread, the groove (28), and the access plate includes
The first plate body (29) and the second plate body (30) with both sides are symmetrical arranged, first plate body (29), which is provided with, to be used to observe length
It is placed in the middle along its length on the magnifying glass (31) of scale, the magnifying glass (31) to be provided with mark line (32), second plate body
(30) outside between two parties be provided with marking groove (33), it is described access plate dorsal part between two parties provided with the peace being threadedly coupled with internal thread
Fill head (34).
7. elastic force and spring elongation Linear Experiment analogue means according to claim 1, it is characterised in that：The pull bar
(5) distance of adjacent inclined teeth is 0.5mm~1.5mm on.
8. elastic force and spring elongation Linear Experiment analogue means according to claim 1, it is characterised in that：The pull bar
(5) top is provided with the upper collar (35), and the bottom of the pull bar (5) is provided with screw, and the bottom of the pull bar (5) is provided with can with it
The top of the hook (36) and link (37) of dismounting connection, the hook (36) and link (37) is equipped with to be threadedly coupled with screw
Screw.
9. elastic force and spring elongation Linear Experiment analogue means according to claim 1, it is characterised in that：The bottom plate
(1) side away from length scale, which is provided with slot (38), the opening of the slot (38), is provided with depression bar (39), the depression bar
(39) upper and lower ends of bottom side, which are equipped with rubber filler strip, the slot (38), is provided with the registration card (40) adaptable with it,
The registration card (40) is the plastic cards that surface recombination has writing film.
10. elastic force and spring elongation Linear Experiment analogue means according to claim 1, it is characterised in that：The bottom plate
(1) dorsal part between two parties be provided with socket (41), the dorsal part of the bottom plate (1) is removably connected with fixed support (42), described solid
The top of fixed rack (42) and socket (41) activity grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379807.4A CN107170336B (en) | 2017-05-25 | 2017-05-25 | Elastic force and spring elongation Linear Experiment simulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379807.4A CN107170336B (en) | 2017-05-25 | 2017-05-25 | Elastic force and spring elongation Linear Experiment simulator |
Publications (2)
| Publication Number | Publication Date |
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| CN107170336A true CN107170336A (en) | 2017-09-15 |
| CN107170336B CN107170336B (en) | 2019-04-05 |
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ID=59820687
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710379807.4A Expired - Fee Related CN107170336B (en) | 2017-05-25 | 2017-05-25 | Elastic force and spring elongation Linear Experiment simulator |
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| Country | Link |
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| CN (1) | CN107170336B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195670A (en) * | 2017-11-22 | 2018-06-22 | 长沙双合盛企业管理有限公司 | A kind of building tubing sections strength testing device |
| CN109682673A (en) * | 2019-01-29 | 2019-04-26 | 兰州华汇仪器科技有限公司 | A kind of step instrument component of material surface property test |
| CN109780972A (en) * | 2018-12-25 | 2019-05-21 | 艾智诚 | A kind of inclined cylinder detection device of piston assembly |
| CN110164262A (en) * | 2019-06-04 | 2019-08-23 | 华北水利水电大学 | A kind of physics teaching spring force demonstration equipment |
| CN117760669A (en) * | 2024-02-20 | 2024-03-26 | 厦门立洲精密科技股份有限公司 | Detection device for high-strength spring elastic coefficient |
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| CN205190615U (en) * | 2015-12-16 | 2016-04-27 | 新疆维吾尔自治区特种设备检验研究院 | Strop ropeway damping device |
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| US3303803A (en) * | 1964-01-28 | 1967-02-14 | Singer Co | Sewing machine stitch length regulator |
| JPH09210016A (en) * | 1996-02-02 | 1997-08-12 | Sony Precision Technol Inc | Scale-incorporated piston rod cylinder |
| CN201331756Y (en) * | 2009-01-16 | 2009-10-21 | 石毓忠 | Pocket calculator with a spring scale |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108195670A (en) * | 2017-11-22 | 2018-06-22 | 长沙双合盛企业管理有限公司 | A kind of building tubing sections strength testing device |
| CN109780972A (en) * | 2018-12-25 | 2019-05-21 | 艾智诚 | A kind of inclined cylinder detection device of piston assembly |
| CN109682673A (en) * | 2019-01-29 | 2019-04-26 | 兰州华汇仪器科技有限公司 | A kind of step instrument component of material surface property test |
| CN109682673B (en) * | 2019-01-29 | 2024-04-12 | 兰州华汇仪器科技有限公司 | Step appearance subassembly that material surface property test used |
| CN110164262A (en) * | 2019-06-04 | 2019-08-23 | 华北水利水电大学 | A kind of physics teaching spring force demonstration equipment |
| CN117760669A (en) * | 2024-02-20 | 2024-03-26 | 厦门立洲精密科技股份有限公司 | Detection device for high-strength spring elastic coefficient |
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|---|---|
| CN107170336B (en) | 2019-04-05 |
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