CN108152136A - Belt force experimental rig - Google Patents
Belt force experimental rig Download PDFInfo
- Publication number
- CN108152136A CN108152136A CN201711365344.2A CN201711365344A CN108152136A CN 108152136 A CN108152136 A CN 108152136A CN 201711365344 A CN201711365344 A CN 201711365344A CN 108152136 A CN108152136 A CN 108152136A
- Authority
- CN
- China
- Prior art keywords
- pulley
- hook
- force
- circular plate
- round
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
Abstract
The invention discloses belt force experimental rigs, including stent, Circular Plate is equipped with above stent, round and smooth rail is coaxially installed on Circular Plate periphery wall, frame bottom and rear and front end are fixed there are one the sliding rail set being slidably matched with round and smooth rail respectively, and annular is evenly equipped with several hanging holes of setting symmetrical above and below in Circular Plate；Further including two sets can coordinate with hanging hole hook and can adjust and show the hook of pulling force, and several intermediate hooks that can coordinate with safety strap hanger are equipped between two sets of hooks.Advantage：Can more safety belts of batch detection, detection efficiency is high, precision is high, conveniently moving, and easy to operate.
Description
Technical field
The present invention relates to belt force experimental rigs.
Background technology
Electric power safety band is the safety member being used between personnel and equipment, usually in electric aerial work, to protect
Hinder the belt between connection body and the fixture used in safety.The primary raw material of safety belt is terylene, polypropylene fibre and nylon.Safety
The main function of band is exactly when the accident of falling at high altitude occurs, construction personnel can be connected firmly on fixture, so as to rise
To the effect of protection personal safety.Based on this, the main performance indicator of electric power safety band is exactly stretching resistance.
Due to the special inspecting equipment of detection belt force useless, the pull test of current belt is generally to select one
There is the ward of trees or other secured objects, by the way that more safety belts are connected, with two trees or two jails
Gu object supports, the pull test of safety belt is realized using devices such as tensiometer, rope, pulleys.The advantages of detection device
It is no application specific architecture and equipment, it is at low cost；Shortcoming is：1st, Assembling tensiometer, rope and pulley in experiment are needed, is taken
When it is laborious；2nd, it needs each safety belt being sequentially connected in series, it is difficult to unlock to finish after pulling force tenses in experiment；3, if there is matter
Substandard product is measured, the mode being connected in series with can only make the worst safety belt fracture of quality in primary experiment, quality
It is all underproof while detected, it needs to carry out many experiments, time-consuming and laborious, conventional efficient is low；4th, safety belt series connection side
Formula can mutually skid in experiment initial setting value of thrust stage, the interface of a safety belt and tense namely have certain length
Ductility, the time that thus value of thrust can be made to be fixed up is long, and safety belt total length is longer, and adjustment time is longer, inspection
It surveys less efficient；5th, big tree trunk when by wind when influences can roll, and will necessarily increase suddenly or reduce drawing suddenly
Force value, seriously affects experimental result, and accuracy of detection is relatively low；6th, it is relatively high to the requirement of test site, need enough distances
Big tree or fixture, it is larger by limitation；7th, for the different safety belt of length, same detection device once tests institute
Energy amount detection difference is huge, poor universality；8th, in testing in observation seat belt status in real time, because safety belt is lateral drawing
It stretches, therefore very inconvenient when observing safety belt bottom surface, seriously affects the judgement qualified or not to belt force.
Invention content
The technical problem to be solved in the present invention is to provide a kind of rational in infrastructure, can more safety belts of batch detection, can root
Corresponding detection gear is selected according to safety belt length, can accurately adjust pulling force size, is influenced by extraneous factor small, detection efficiency is high,
Precision height, not changing safety belt under by pull force calculation state, energy 360 degree rotation is for observing and judging, raising accuracy of judgement degree,
Self structure is reliable and stable, have self correction correction ability, be suitble to be used for a long time, weight is slim and graceful, carry conveniently moving, not by
Landform limits, and easy to operate, helps to improve the belt force experimental rig of detection efficiency.
In order to solve the above technical problems, safety tensile force of belt experimental rig is structurally characterized in that：Including stent, stent top
Equipped with Circular Plate, be coaxially installed with round and smooth rail on Circular Plate periphery wall, frame bottom and rear and front end difference it is fixed there are one with
The sliding rail set that round and smooth rail is slidably matched, annular is evenly equipped with several hanging holes of setting symmetrical above and below in Circular Plate；Further include two sets of energy
Cooperation is hooked with hanging hole and can adjust and show the hook of pulling force, and energy and safety strap hanger are equipped between two sets of hooks
Several intermediate hooks of cooperation.
This patent be realized by annular tightening structure it is rational in infrastructure, can more safety belts of batch detection, can basis
The corresponding detection gear of safety belt length selection, can accurately adjust pulling force size, and small, detection efficiency height, essence are influenced by extraneous factor
Degree height, not changing safety belt under by pull force calculation state, energy 360 degree rotation is for observing and judging, raising accuracy of judgement degree, certainly
Body structure is reliable and stable, has self correction correction ability, is suitble to be used for a long time, weight is slim and graceful, conveniently moving is carried, not by ground
Shape limits, and easy to operate, helps to improve detection efficiency.
Annular tightening structure mainly includes seven part-structures, i.e.,：Stent, Circular Plate, round and smooth rail, sliding rail set, hanging hole, hook
Device, intermediate hook.Wherein, stent is the foundation structure of this patent, and main function is to provide installation carrier for other component, special
It is not that sliding support is played to Circular Plate under sliding rail set and round and smooth rail auxiliary, Circular Plate is made to be in upright state always.It is sliding
Rail set belongs to the supplementary structure of stent, and the quantity of sliding rail set is three, is separately positioned on bottom, the front and rear of stent, and three
For person in tip isosceles triangle setting directed downwardly, one of main purpose set in this way is to establish one with round and smooth rail smoothly to slide
Dynamic cooperation channel, it is more smooth when Circular Plate being made to coordinate with holder pivots.The second purpose is that three sliding rail sets can determine one
It the sliding trace plane that is uniquely overlapped with round and smooth rail namely plays to position-limiting action at left and right sides of Circular Plate, prevents Circular Plate
It swings.Circular Plate and round and smooth rail are the primary structures of this patent, and the two is the integral structure being coaxially fixed together, circle
Sliding rail internal ring wall correspondence is fixed on the external annulus of Circular Plate.Round and smooth rail is rotatably assorted by oneself with what sliding rail covered, realizes circle
Ring flat-plate is rotatably assorted namely realizes being rotatably assorted for Circular Plate opposite brackets with what sliding rail covered.The hanging hole uniform ring is located at
In Circular Plate, the benefit one set in this way is can to mitigate the weight of Circular Plate, second is that can make entire Circular Plate stress everywhere
Balance.The main function of hanging hole is to provide hooking position for hook.Hook is the nuclear structure of this patent, is hooked
The quantity of device is two sets, is usually symmetrical arranged and uses.The main function of hook is that safety harness and Circular Plate are simultaneously
Carry out strength stretching and test.When specifically used, two sets of hook both ends are first hooked into two relatively remote extensions of distance
This state is known as hook state by Kong Shang for convenience of narration；Then between safety belt being connected to two sets of hooks, finally lead to
Overregulating hook makes pulling force reach setting value and observes pulling force reaction and time, so as to judge whether safety belt is qualified.
In this patent, the hook other end is connected with several intermediate hooks, and in the state of hook, two sets of the intermediate of hook are linked up with
It is oppositely arranged, therefore between can safety strap hook easily being suspended to the corresponding intermediate hook of two hooks, experiment
Operation is very simple.In the observation stage, tensional states of 360 degree of observation safety belts and anti-can be realized by rotating round and smooth rail
Should, it provides convenience and foundation for accurate judgement, improves test efficiency.It, can be according to different length in specific experiment
Safety belt, selection hook the hanging hole of different corresponding positions.Two hanging holes distance positioned at annulus board diameter track is farthest, and two is adjacent
The distance between hanging hole is most short, and two hanging hole spacing of any other position are located between aforementioned two distances, therefore this patent can be with
A variety of selections for stretching gear are provided according to safety belt physical length.Long safety belt be suitble to be mounted on apart from remote hanging hole it
Between, short safety belt is suitble to be mounted between relatively near hanging hole, can save adjust hook application pulling force in this way
Time, fundamentally improve test efficiency and the versatility to safety belt.In this patent, hook has to adjust and draw
The effect of power can simultaneously show value of thrust, therefore this patent can accurately adjust pulling force size when in use.Because this patent
It is outdoor indoors all to can be used, and with setting greatly or other equipment is unrelated, therefore influenced by extraneous factor small, it ensure that detection
Precision.In this patent, Circular Plate is circular ring shape tablet, and round and smooth rail is also circular ring structure, and round and smooth rail and Circular Plate are coaxially solid
It is connected together, each other reinforcing rib, supports mutually, self structure is reliable and stable.Particularly in test by two sets of hooks
Pulling force when, conventional balance bar structure is easy to by stretch bending, and Circular Plate and round and smooth rail are circular configurations in this patent, everywhere
Uniform force, lets out power or dispersion pulling force effect becomes apparent from, even if occurring being inclined to deformation is started by very big pulling force,
Observe whether matching relationship that round and smooth rail and sliding rail cover is smooth just to judge by rotating Circular Plate in experiment, in this way for the second time
Hook direction when only the hook direction of hook need to be tested with first time during experiment intersects 90 degree, during second is tested
Hook release pulling force just can overcome or correct for the first time test in it is caused deformation tendency, make Circular Plate and round and smooth rail according to
Regular circle shapes are so kept, therefore this patent has self correction correction ability or self-repairing capability.
As an improvement, the hook includes a straight-bar, the intermediate hook uniform intervals are fixed in straight-bar side,
Straight-bar opposite side is uniformly provided with the first pulley being arranged in order, second pulley, third pulley and the 4th pulley, first pulley,
Lower rope is wound on two pulleys, third pulley and the 4th pulley, lower rope both ends and aforementioned straight-bar opposite side are corresponding affixed；It further includes
5th pulley and the 6th pulley, are wound with center line on the 5th pulley and the 6th pulley, and the center line both ends of the 5th pulley are respectively with
One pulley is connected with the fixing end of third pulley, the center line both ends fixation with second pulley and the 4th pulley respectively of the 6th pulley
End connection；Cooperation can be hooked with hanging hole and can adjust and show the pulley adjustable hook of pulling force by further including, and pulley adjustable hook includes this
Body, body upper part are connected with the hook that cooperation can be hooked with hanging hole, and body lower part is connected with the 7th pulley, is wound on the 7th pulley
There is upper rope, fixing end of the upper rope both ends respectively with the 5th pulley and the 6th pulley is connect.
In this patent, hook is made of 12 parts, i.e.,：Straight-bar, intermediate hook, first pulley, second pulley,
Third pulley, the 4th pulley, the 5th pulley, the 6th pulley, pulley adjustable hook, lower rope, middle rope and upper rope.The straight-bar is one
The horizontal positioned straight body of rod, there are two avris for straight-bar, for convenience of describing, are referred to as hooking side and tensile side.The centre
The quantity of hook is several, can be set according to actual needs.Centre hook is fixedly mounted on the tensile side of straight-bar, it is each it is adjacent in
Between hook spacing it is equal, to ensure stress equalization.When in use, two sets of hooks are reversely usually hooked on Circular Plate
Hanging hole in use, i.e. two pulley adjustable hooks are hooked on respectively on distance two hanging holes relatively far away from, and make two straight-bars
It is relatively closely arranged in parallel namely two sets of hooks is that intermediate hanging is hooked in interior pulley adjustable hook and is symmetrical arranged outside.This shape
State is exactly aforementioned hook state.In the state of hook, the intermediate hook of two sets of hooks is arranged in a one-to-one correspondence, and is wanted
The safety belt of test is hooked between corresponding intermediate hook.With regard to shape several safety in a row in this way between two straight-bars
Band test simultaneously, due to be same length with model safety belt, various parameters should be the same.After hanging up properly safety belt, adjust
Section pulley adjustable hook makes practical value of thrust be transferred to safety belt test value, then observes the state of safety belt.It, can be same during observation
When rotational circle sliding rail, with multi-angle grasp safety belt state.In this patent, it is by three between straight-bar and pulley adjustable hook
The tension uniform of pulley adjustable hook is applied to each position of straight-bar and kept in balance by grade balance force application mechanism.Wherein,
Level-one balance force application mechanism is made of pulley adjustable hook, and pulley adjustable hook includes ontology, and body upper part is connected with can be with hanging hole hook
The hook of cooperation is hung, body lower part is connected with the 7th pulley, and rope is wound on the 7th pulley, and upper rope both ends are balanced with the second level
Force application mechanism connects.The second level balances force application mechanism by the 5th pulley and the 6th pulley and is respectively wound around middle rope group thereon
Into the fixing end of the 5th pulley and the 6th pulley is corresponding affixed with upper rope both ends respectively.Due to being wrapped in the 7th cunning in the middle part of upper rope
On wheel, and opposite 7th pulley of two sections of upper rope is symmetrical set, therefore the pulling force at upper rope both ends is equal namely the 5th slides
Wheel and the 6th pulley are also equal by upward pulling force.It is wound in one and restricts respectively on 5th pulley and the 6th pulley,
Four ends restricted in two are all connect with third level balance force application mechanism.The third level balances force application mechanism by being arranged in order
First pulley, second pulley, third pulley, the 4th pulley and be respectively wound around thereon lower rope composition.5th pulley
Middle fixing end of the rope both ends respectively with first pulley, third pulley is fixedly connected, and the middle rope both ends of the 6th pulley are respectively with the
Two pulleys, the 4th pulley fixing end be fixedly connected namely it is middle rope be that cross arrangement is set.Since rope is also opposite in every
Wound pulley is symmetrical set, so two sections of pulling force of middle rope is equal, middle rope is to first pulley, second pulley, the
Three pulleys, the 4th pulley pulling force be also equal.In this patent, first pulley, second pulley, third pulley and the 4th are slided
It is wound under one and restricts respectively on wheel, eight to restrict under four end is corresponding affixed with the hook side of aforementioned straight-bar successively.As before
It is described, it is middle rope with the third level balance force application mechanism connect when be cross arrangement setting, can thus cause second pulley with
It is also arranged in a crossed manner that third pulley and the lower rope that winds thereon, which stretch force direction, in this way, can make the 5th pulley and the
The pulling force of six pulleys can be more uniformly assigned on straight-bar, therefore straight-bar is more equal by the tractive force of pulley adjustable hook
Weighing apparatus, straight-bar can also keep straightened condition when stretching safety belt, ensure that the harmony to each belt force.In this patent
In, the connection of upper rope, middle rope and lower rope end is all fixedly connected, therefore hook is integral structure.Work as hook
When crooked or asymmetric situation occurs in entirety, when pulling force increases, under a stretching force, upper rope, middle rope and lower rope can pass through
Automatic adjustment with place pulley is symmetrical arranged state, therefore this hook has automatic regulating function to reach both sides.This
Hook is only achieved that application to straight-bar equilibrium pulling force by several pulleys, upper rope, middle rope and lower rope, used unit compared with
It is few, it ensure that quality lightness, it is more convenient in carrying or transfer.
As a kind of realization method, the ontology includes force-bearing piece, and the load slot of two avris of perforation is equipped in the middle part of force-bearing piece,
Force-bearing piece lower part is equipped with the inner bolt hole of perforation load slot, and the fixing end of the 7th pulley, which is installed with to be spirally connected with aforementioned inner bolt hole, matches
The regulation stud of conjunction；Force-bearing piece top is equipped with the unthreaded hole penetrated through with load slot top, and the hook includes hooking with hanging hole and coordinate
Coupler body, the shaft being rotatably assorted with unthreaded hole inserting is connected on coupler body, shaft end is installed with limiting pressure plate, load slot slot
It is connected on wall with limiting pressure plate by the voltage sensitive sensor of press-fit, force-bearing piece top is equipped with to be electrically connected with voltage sensitive sensor
Display device.
Ontology is the agent structure of pulley adjustable hook, is the part that pulley adjustable hook implements that pulling force applies and pulling force is calculated.
Ontology mainly includes eight part-structures, i.e.,：Force-bearing piece, load slot, regulation stud, unthreaded hole, shaft, pressure plate, voltage sensitive sensor
And display device.Wherein force-bearing piece is the agent structure of ontology, for other component provide installation site and carrier and apply and
Carry the primary structure of pulling force.The load slot is arranged in the middle part of force-bearing piece, the two side setting of load slot perforation force-bearing piece namely
Force-bearing piece is in " mouth " character form structure.Force-bearing piece lower part is equipped with inner bolt hole, inner bolt hole perforation force-bearing piece lower face and the setting of load slot.
The regulation stud is inserted into inner bolt hole, and with inner bolt hole threaded.Regulation stud lower end and the fixing end of the 7th pulley
Correspondence is fixed together, and the two is an integral structure.Therefore, when regulation stud and force-bearing piece relatively rotate, the 7th pulley will
Relatively close or separate force-bearing piece thus plays the role of tension or stretching, extension pulley adjustable hook namely tenses or stretch peace
The effect of full band.The unthreaded hole is arranged on force-bearing piece top, penetrates through top surface and the setting of load slot on force-bearing piece.The hook includes
Coupler body and shaft, the two are fixed together.Coupler body is hooked with hanging hole to be coordinated, and shaft inserts cooperation with unthreaded hole and can be rotatably assorted.
Shaft end extends to load slot upper end, and shaft end is installed with limiting pressure plate, and having prevents from linking up with the work slipped from unthreaded hole
With.In this patent, the voltage sensitive sensor is fixedly mounted on load groove top portion cell wall, corresponding with above and below pressure Board position to set
It puts.Therefore, after pulling force is adjusted, pressure plate can reach voltage sensitive sensor the pressing of equivalent pressure, so as to make pressure-responsive
Device can obtain real-time pressure value namely value of thrust.The display device is mounted on force-bearing piece top, display device and pressure-sensitive biography
Sensor corresponds to electrical connection, and such display device just can display real-time pulling force information, provide convenience for pull test.In this patent
In, second effect of unthreaded hole and shaft is exactly when force-bearing piece and regulation stud relative rotation, and unthreaded hole and shaft can also coordinate
It rotates namely coupler body and the 7th pulley does not all need to a rotation only rotation force-bearing piece in practical operation, operation is simpler.
It is fixed in body frame rear and front end or so as an improvement, the stent includes covering affixed body frame with sliding rail further including and prolongs
The subframe stretched, subframe bottom are equipped with idler wheel.
Body frame and Circular Plate and round and smooth rail in stent are to be located at approximately the same plane, and the subframe quantity in stent is two,
It is located at body frame rear and front end respectively, and left and right is extended, therefore subframe has supporting role to body frame.In this patent, it is secondary
Frame bottom is equipped with idler wheel, and this patent thus can be easily moved to testing position, and operation is time saving and energy saving.
As an improvement, three sliding rail sets are set according to tip isosceles triangle trajectory alignment directed downwardly.
Sliding rail set belongs to the supplementary structure of stent, and the quantity of sliding rail set is three, is separately positioned on bottom, the forepart of stent
And rear portion, for three in tip isosceles triangle setting directed downwardly, one of main purpose set in this way is to establish one with round and smooth rail
A channel that is smoothly slidably matched, it is more smooth when Circular Plate being made to coordinate with holder pivots.The second purpose is that three sliding rail sets can
To determine a sliding trace plane uniquely overlapped with round and smooth rail namely play to position-limiting action at left and right sides of Circular Plate,
It prevents Circular Plate from swinging, improves stability during experiment.
As a further improvement, the thickness of the round and smooth rail is three times of Circular Plate, the width of Circular Plate is that round and smooth rail is wide
More than the three times or three times of degree, Circular Plate is corresponding in the middle part of the internal ring wall of round and smooth rail to be fixed together, and the two cross section is T-shaped.
In this patent, Circular Plate is circular ring shape tablet, and round and smooth rail is also circular ring structure.The thickness of the round and smooth rail is round
Three times of ring flat-plate, the width of Circular Plate is more than the three times or three times of round and smooth rail width, in the internal ring wall of Circular Plate and round and smooth rail
Portion corresponds to and is fixed together, and the two cross section is T-shaped, therefore the two reinforcing rib each other, supports mutually, and self structure stabilization can
It leans on.Particularly in test by the larger pulling force of two sets of hooks when, conventional balance bar structure is easy to by stretch bending, and
Circular Plate and round and smooth rail are round mutual support structures in this patent, everywhere uniform force, let out power or dispersion pulling force effect becomes apparent from,
External tensile force can effectively be offset.Even if occur, by very big pulling force and with deformation tendency is started, by rotating justifying in test
Whether the matching relationship of the round and smooth rail of ring flat-plate observation and sliding rail set is smooth just to judge, need to will only be hooked when testing for second in this way
Hook direction when the hook direction of device is tested with first time intersects 90 degree, the drawing of the hook release in second of experiment
Power is inclined to regard to that can overcome or correct caused deformation in experiment for the first time, and Circular Plate and round and smooth rail is made still to keep regular circle shapes,
Therefore this patent has self correction correction ability or self-repairing capability.
In conclusion the belt force experimental rig using this structure is rational in infrastructure, it being capable of more peaces of batch detection
Full band can select corresponding detection gear according to safety belt length, can accurately adjust pulling force size, small, inspection is influenced by extraneous factor
Survey that efficient, precision is high, do not change safety belt under by pull force calculation state can 360 degree rotation for observation and judge that raising is sentenced
Disconnected accuracy, self structure is reliable and stable, has self correction correction ability, is suitble to be used for a long time, weight is slim and graceful, carries movement
It is convenient, it is not limited by landform, and easy to operate, helps to improve detection efficiency.
Description of the drawings
The present invention is described in further detail with reference to attached drawing：
Fig. 1 is the structure diagram that this patent tests safety belt between two farthest hanging holes of distance；
Fig. 2 is this patent tests safety belt in Fig. 1 between hanging hole structure diagram on the right side of hanging hole；
Fig. 3 is the fit structure schematic diagram of stent, idler wheel and sliding rail set；
Fig. 4 is the fit structure schematic diagram of sliding rail set, round and smooth rail and Circular Plate；
Fig. 5 is the structure diagram of hook；
Fig. 6 is the structure diagram of pulley adjustable hook.
Specific embodiment
As shown in Figure 1, the primary structure of the belt force experimental rig includes stent 1, Circular Plate is equipped with above stent
2, round and smooth rail 3 is coaxially installed on Circular Plate periphery wall.Frame bottom and rear and front end difference it is fixed there are one with round and smooth rail slide
The sliding rail set 4 of dynamic cooperation, annular is evenly equipped with several hanging holes 5 of setting symmetrical above and below in Circular Plate.Further include two sets of energy and hanging hole
It hooks cooperation and can adjust and show the hook of pulling force, cooperation can be hooked with safety belt 0 by being equipped between two sets of hooks
Several intermediate hooks 6.This patent mainly includes seven part-structures, i.e.,：Stent, Circular Plate, round and smooth rail, sliding rail set, hanging hole, hook
Hang device, intermediate hook.Wherein, stent is the foundation structure of this patent, and main function is to provide installation carrier for other component,
Sliding support particularly is played to Circular Plate under sliding rail set and round and smooth rail auxiliary, Circular Plate is made to be in upright state always.
Sliding rail set belongs to the supplementary structure of stent, and the quantity of sliding rail set is three, is separately positioned on bottom, the front and rear of stent,
For three in tip isosceles triangle setting directed downwardly, one of main purpose set in this way is to establish one smoothly with round and smooth rail
Be slidably matched channel, more smooth when Circular Plate being made to coordinate with holder pivots.The second purpose is that three sliding rail sets can determine one
It a sliding trace plane uniquely overlapped with round and smooth rail namely plays to position-limiting action at left and right sides of Circular Plate, prevents annulus
Plate swings.Circular Plate and round and smooth rail are the primary structures of this patent, and the two is the integral structure being coaxially fixed together,
Round and smooth rail internal ring wall correspondence is fixed on the external annulus of Circular Plate.Round and smooth rail is rotatably assorted by oneself with what sliding rail covered, is realized
Circular Plate is rotatably assorted namely realizes being rotatably assorted for Circular Plate opposite brackets with what sliding rail covered.The hanging hole uniform ring is set
In Circular Plate, the benefit one set in this way is can to mitigate the weight of Circular Plate, second is that can make entire Circular Plate everywhere by
Dynamic balance.The main function of hanging hole is to provide hooking position for hook.Hook is the nuclear structure of this patent, hook
The quantity of hang device is two sets, is usually symmetrical arranged and uses.The main function of hook is safety harness and Circular Plate
And carry out strength stretching and test.When specifically used, two sets of hook both ends are first hooked into relatively remote two of distance
On hanging hole, this state is known as hook state for convenience of narration；Then between safety belt being connected to two sets of hooks, finally
Pulling force is made to reach setting value by adjusting hook and observe pulling force reaction and time, so as to judge whether safety belt is qualified.
In this patent, the hook other end is connected with several intermediate hooks, in the state of hook, the intermediate hanging of two sets of hooks
Hook is oppositely arranged, therefore between can safety strap hook easily being suspended to the corresponding intermediate hook of two hooks, examination
It is very simple to test operation.Observation the stage, can by rotate round and smooth rail realize 360 degree observation safety belt tensional states and
Reaction provides convenience and foundation for accurate judgement, improves test efficiency.It, can be according to different length in specific experiment
Safety belt, selection hooks the hanging hole of different corresponding positions.Two hanging holes distance positioned at annulus board diameter track is farthest, two-phase
The distance between adjacent hanging hole is most short, and two hanging hole spacing of any other position are located between aforementioned two distances, therefore this patent can
To provide a variety of selections for stretching gear according to safety belt physical length.Long safety belt be suitble to be mounted on apart from remote hanging hole it
Between, short safety belt is suitble to be mounted between relatively near hanging hole, can save adjust hook application pulling force in this way
Time, fundamentally improve test efficiency and the versatility to safety belt.In this patent, hook has to adjust and draw
The effect of power can simultaneously show value of thrust, therefore this patent can accurately adjust pulling force size when in use.Because this patent
It is outdoor indoors all to can be used, and with setting greatly or other equipment is unrelated, therefore influenced by extraneous factor small, it ensure that detection
Precision.In this patent, Circular Plate is circular ring shape tablet, and round and smooth rail is also circular ring structure, and round and smooth rail and Circular Plate are coaxially solid
It is connected together, each other reinforcing rib, supports mutually, self structure is reliable and stable.Particularly in test by two sets of hooks
Pulling force when, conventional balance bar structure is easy to by stretch bending, and Circular Plate and round and smooth rail are circular configurations in this patent, everywhere
Uniform force, lets out power or dispersion pulling force effect becomes apparent from, even if occurring being inclined to deformation is started by very big pulling force,
Observe whether matching relationship that round and smooth rail and sliding rail cover is smooth just to judge by rotating Circular Plate in experiment, in this way for the second time
Hook direction when only the hook direction of hook need to be tested with first time during experiment intersects 90 degree, during second is tested
Hook release pulling force just can overcome or correct for the first time test in it is caused deformation tendency, make Circular Plate and round and smooth rail according to
Regular circle shapes are so kept, therefore this patent has self correction correction ability or self-repairing capability.
In the present embodiment, the hook includes a straight-bar 7, and the intermediate hook uniform intervals are fixed in straight-bar
Side.Straight-bar opposite side is uniformly provided with the first pulley 8 being arranged in order, second pulley 9,10 and the 4th pulley 11 of third pulley,
Lower rope 13, lower rope both ends and aforementioned straight-bar opposite side pair are wound on first pulley, second pulley, third pulley and the 4th pulley
It should be affixed.This patent further includes the 5th pulley 14 and the 6th pulley 15, and center line 16 is wound on the 5th pulley and the 6th pulley.The
Fixing end of the center line both ends of five pulleys respectively with first pulley and third pulley is connect, the center line both ends of the 6th pulley respectively with
Second pulley is connected with the fixing end of the 4th pulley.This patent, which further includes, can hook cooperation with hanging hole and can adjust and show pulling force
Pulley adjustable hook 18, pulley adjustable hook include ontology 19, body upper part be connected with can with hanging hole hook cooperation hook 20.This
Body lower part is connected with the 7th pulley 17, and rope 21 is wound on the 7th pulley, and upper rope both ends are slided respectively with the 5th pulley and the 6th
The fixing end connection of wheel.In this patent, hook is made of 12 parts, i.e.,：Straight-bar, intermediate hook, first pulley, the
Two pulleys, third pulley, the 4th pulley, the 5th pulley, the 6th pulley, pulley adjustable hook, lower rope, middle rope and upper rope.It is described straight
Bar is a horizontal positioned straight body of rod, and there are two avris for straight-bar, for convenience of describing, are referred to as hooking side and tensile side.
The intermediate quantity linked up with is several, can be set according to actual needs.Centre hook is fixedly mounted on the tensile side of straight-bar,
Each adjacent intermediate hook spacing is equal, to ensure stress equalization.When in use, usually two sets of hooks are reversely hooked
It is used in the hanging hole of Circular Plate, i.e. two pulley adjustable hooks are hooked on respectively on two hanging holes of distance relatively far away from, and are made
Two straight-bars are relatively closely arranged in parallel namely two sets of hooks are that intermediate hanging is hooked in interior pulley adjustable hook and is set in external symmetry
It puts.This state is exactly aforementioned hook state.In the state of hook, the intermediate hook of two sets of hooks is arranged in a one-to-one correspondence,
And the safety belt to be tested is hooked between corresponding intermediate hook.It is in a row several with regard to shape in this way between two straight-bars
Root safety belt is tested simultaneously, due to be same length with model safety belt, various parameters should be the same.Hang up properly safety belt
Afterwards, adjustable pulley adjustable hook makes practical value of thrust be transferred to safety belt test value, then observes the state of safety belt.In the observation period
Between, can simultaneously rotational circle sliding rail, with multi-angle grasp safety belt state.In this patent, between straight-bar and pulley adjustable hook
It is that the tension uniform of pulley adjustable hook is applied to by each position of straight-bar by three-level balance force application mechanism and is kept in balance.
Wherein, first order balance force application mechanism is made of pulley adjustable hook, and pulley adjustable hook includes ontology, and body upper part is connected with can be with
Hanging hole hooks the hook of cooperation, and body lower part is connected with the 7th pulley, and rope, upper rope both ends and second are wound on the 7th pulley
Grade balance force application mechanism connection.Second level balance force application mechanism by the 5th pulley and the 6th pulley and is respectively wound around thereon
The fixing end of middle rope composition, the 5th pulley and the 6th pulley is corresponding affixed with upper rope both ends respectively.Due to being wrapped in the middle part of upper rope
On 7th pulley, and opposite 7th pulleys of upper two sections of rope are symmetrical set, thus the pulling force at upper rope both ends be it is equal namely
5th pulley and the 6th pulley are also equal by upward pulling force.It is wound with one respectively on 5th pulley and the 6th pulley
Middle rope, four ends restricted in two are all connect with third level balance force application mechanism.Third level balance force application mechanism by according to
The first pulley of secondary arrangement, second pulley, third pulley, the 4th pulley and it is respectively wound around lower rope composition thereon.5th
Fixing end of the middle rope both ends of pulley respectively with first pulley, third pulley is fixedly connected, the middle rope both ends point of the 6th pulley
It is not fixedly connected with the fixing end of second pulley, the 4th pulley namely middle rope is that cross arrangement is set.Due to restricting in every
It is to wind pulley relatively to be symmetrical set, so the pulling force of middle two sections of rope is equal, middle rope slides first pulley, second
Wheel, third pulley, the 4th pulley pulling force be also equal.In this patent, first pulley, second pulley, third pulley and
It is wound under one and restricts respectively on 4th pulley, eight to restrict under four end is corresponding with the hook side of aforementioned straight-bar solid successively
It connects.As previously mentioned, middle rope is cross arrangement setting when being connect with third level balance force application mechanism, it can thus cause second
It is also arranged in a crossed manner that pulley and third pulley and the lower rope wound thereon, which stretch force direction, in this way, can make the 5th cunning
Wheel and the pulling force of the 6th pulley can be more uniformly assigned on straight-bar, thus straight-bar by pulley adjustable hook tractive force more
Add equilibrium, straight-bar can also keep straightened condition when stretching safety belt, ensure that the harmony to each belt force.At this specially
In profit, the connection of upper rope, middle rope and lower rope end is all fixedly connected, therefore hook is integral structure.It is filled when hooking
Put whole when there is crooked or asymmetric situation, when pulling force increase, under a stretching force, upper rope middle is restricted and lower rope can lead to
It crosses and is symmetrical arranged state, therefore this hook has automatic regulating function with the automatic adjustment of place pulley to reach both sides.
This hook is only achieved that application to straight-bar equilibrium pulling force, used unit by several pulleys, upper rope, middle rope and lower rope
It is less, it ensure that quality lightness, it is more convenient in carrying or transfer.
In this patent, the ontology includes force-bearing piece 22, and the load slot 23 of two avris of perforation is equipped in the middle part of force-bearing piece.It holds
Power block lower part is equipped with the inner bolt hole of perforation load slot, and the fixing end of the 7th pulley is installed with and aforementioned inner bolt hole threaded
Regulation stud 24.Force-bearing piece top is equipped with the unthreaded hole 25 penetrated through with load slot top.The hook includes matching with hanging hole hook
The coupler body 26 of conjunction, the shaft 27 being rotatably assorted with unthreaded hole inserting is connected on coupler body, and shaft end is installed with limiting pressure plate 28.
It is connected on load slot cell wall with limiting pressure plate by the voltage sensitive sensor 29 of press-fit, force-bearing piece top is equipped with and pressure-sensitive biography
The display device 30 of sensor electrical connection.Ontology is the agent structure of pulley adjustable hook, be pulley adjustable hook implement pulling force apply and
The part of pulling force measuring and calculating.Ontology mainly includes eight part-structures, i.e.,：Force-bearing piece, regulation stud, unthreaded hole, shaft, is applied load slot
Pressing plate, voltage sensitive sensor and display device.Wherein force-bearing piece is the agent structure of ontology, for other component provide installation site and
Carrier and the primary structure for applying and carrying pulling force.The load slot is arranged in the middle part of force-bearing piece, load slot perforation force-bearing piece
Two side is set namely force-bearing piece is in " mouth " character form structure.Force-bearing piece lower part is equipped with inner bolt hole, inner bolt hole perforation force-bearing piece lower end
Face and the setting of load slot.The regulation stud is inserted into inner bolt hole, and with inner bolt hole threaded.Regulation stud lower end and the
The fixing end correspondence of seven pulleys is fixed together, and the two is an integral structure.Therefore, when regulation stud and force-bearing piece relatively rotate
When, the 7th pulley will be relatively close or far from force-bearing piece, thus play the role of tension or stretching, extension pulley adjustable hook namely
Tense or stretch the effect of safety belt.The unthreaded hole is arranged on force-bearing piece top, penetrates through top surface and the setting of load slot on force-bearing piece.
The hook includes coupler body and shaft, and the two is fixed together.Coupler body and hanging hole, which hook, to be coordinated, shaft and unthreaded hole inserting cooperation and
It can be rotatably assorted.Shaft end extends to load slot upper end, and shaft end is installed with limiting pressure plate, and having prevents hook from light
The effect that hole slips.In this patent, the voltage sensitive sensor is fixedly mounted on load groove top portion cell wall, with the Board position that presses
It is correspondingly arranged up and down.Therefore, after pulling force is adjusted, pressure plate can reach voltage sensitive sensor the pressing of equivalent pressure, so as to
Voltage sensitive sensor is allow to obtain real-time pressure value namely value of thrust.The display device is mounted on force-bearing piece top, display dress
Electrical connection corresponding with voltage sensitive sensor is put, such display device just can display real-time pulling force information, be provided just for pull test
Profit.In this patent, second effect of unthreaded hole and shaft be exactly when force-bearing piece and regulation stud relative rotation when, unthreaded hole and turn
Axis can also coordinate rotation namely coupler body and the 7th pulley all do not need to rotation only rotation force-bearing piece, behaviour in practical operation
Make simpler.
In the present embodiment, the stent further includes including the body frame 31 affixed with sliding rail set and is fixed in body frame rear and front end
The subframe 32 of left and right extension, subframe bottom is equipped with idler wheel 33.Body frame and Circular Plate and round and smooth rail in stent are positioned at same
A plane, the subframe quantity in stent are two, and respectively positioned at body frame rear and front end, and left and right is extended, therefore subframe pair
Body frame has supporting role.In this patent, subframe bottom is equipped with idler wheel, thus can easily move this patent
To testing position, it is time saving and energy saving to operate.
In the present embodiment, three sliding rail sets are set according to tip isosceles triangle trajectory alignment directed downwardly.Sliding rail
Set belongs to the supplementary structure of stent, and the quantity of sliding rail set is three, is separately positioned on bottom, the front and rear of stent, three
In tip isosceles triangle setting directed downwardly, one of main purpose set in this way is to establish one with round and smooth rail smoothly to slide
Coordinate channel, it is more smooth when Circular Plate being made to coordinate with holder pivots.The second purpose is that three sliding rail sets can determine one only
It the one sliding trace plane overlapped with round and smooth rail namely plays to position-limiting action at left and right sides of Circular Plate, prevents Circular Plate left
Right swing improves stability during experiment.
In being originally embodiment, Circular Plate is circular ring shape tablet, and round and smooth rail is also circular ring structure.The thickness of the round and smooth rail
It is three times of Circular Plate, the width of Circular Plate is more than the three times or three times of round and smooth rail width Circular Plate and the inner ring of round and smooth rail
Correspondence is fixed together in the middle part of wall, and the two cross section is T-shaped, therefore the two each other stablize by reinforcing rib, mutually support, self structure
Reliably.Particularly in test by the larger pulling force of two sets of hooks when, conventional balance bar structure is easy to by stretch bending,
And Circular Plate and round and smooth rail are round mutual support structures in this patent, uniform force, lets out power or dispersion pulling force effect is brighter everywhere
It is aobvious, it can effectively offset external tensile force.Even if occur, by very big pulling force and with deformation tendency is started, passing through in test rotation
Whether the matching relationship of the round and smooth rail of Circular Plate observation and sliding rail set is smooth just to judge, so only need to be by hook when testing for second
Hook direction when the hook direction of hang device is tested with first time intersects 90 degree, the hook release in second of experiment
Pulling force is inclined to regard to that can overcome or correct caused deformation in experiment for the first time, and Circular Plate and round and smooth rail is made still to keep regular circle
Shape, therefore this patent has self correction correction ability or self-repairing capability.
Claims (6)
1. a kind of belt force experimental rig, it is characterized in that：Including stent（1）, stent top is equipped with Circular Plate（2）, annulus
Round and smooth rail is coaxially installed on plate periphery wall（3）, frame bottom and rear and front end distinguish that fixed there are one match with the slip of round and smooth rail
The sliding rail set of conjunction（4）, annular is evenly equipped with several hanging holes of setting symmetrical above and below in Circular Plate（5）；Further include two sets of energy and hanging hole
It hooks cooperation and can adjust and show the hook of pulling force, be equipped with what can be coordinated with safety strap hanger between two sets of hooks
Several intermediate hooks（6）.
2. belt force experimental rig as described in claim 1, it is characterized in that：The hook includes a straight-bar
（7）, the intermediate hook uniform intervals are fixed in straight-bar side, and straight-bar opposite side is uniformly provided with the first pulley being arranged in order
（8）, second pulley（9）, third pulley（10）With the 4th pulley（11）, first pulley（8）, second pulley（9）, third pulley
（10）With the 4th pulley（11）On be wound with lower rope（13）, lower rope both ends and aforementioned straight-bar opposite side are corresponding affixed；Further include
Five pulleys（14）With the 6th pulley（15）, the 5th pulley（14）With the 6th pulley（15）On be wound with center line（16）, the 5th pulley
Fixing end of the center line both ends respectively with first pulley and third pulley connect, the center line both ends of the 6th pulley are slided respectively with second
Wheel is connected with the fixing end of the 4th pulley；The pulley adjustable hook for coordinating and can adjust and show pulling force can be hooked with hanging hole by further including
（18）, pulley adjustable hook include ontology（19）, body upper part, which is connected with, to hook the hook coordinated with hanging hole（20）, body lower part
It is connected with the 7th pulley（17）, rope is wound on the 7th pulley（21）, it is upper rope both ends respectively with the 5th pulley and the 6th pulley
Fixing end connection.
3. belt force experimental rig as claimed in claim 2, it is characterized in that：The ontology includes force-bearing piece（22）, hold
The load slot of two avris of perforation is equipped in the middle part of power block（23）, inner bolt hole of the force-bearing piece lower part equipped with perforation load slot, the described 7th
The fixing end of pulley is installed with the regulation stud with aforementioned inner bolt hole threaded（24）；Force-bearing piece top be equipped with on load slot
The unthreaded hole of portion's perforation（25）, coupler body of the hook including hooking cooperation with hanging hole（26）, it is connected on coupler body and unthreaded hole inserts
The shaft being rotatably assorted（27）, shaft end is installed with limiting pressure plate（28）, it is connected on load slot cell wall and presses with limiting
Plate presses the voltage sensitive sensor of press-fit（29）, force-bearing piece top is equipped with the display device being electrically connected with voltage sensitive sensor（30）.
4. belt force experimental rig as claimed in claim 3, it is characterized in that：The stent includes covering with sliding rail affixed
Body frame（31）Further include the subframe for being fixed in body frame rear and front end or so extension（32）, subframe bottom is equipped with idler wheel（33）.
5. belt force experimental rig as claimed in claim 4, it is characterized in that：Three sliding rail sets according to tip downward
Isosceles triangle trajectory alignment setting.
6. belt force experimental rig as claimed in claim 5, it is characterized in that：The thickness of the round and smooth rail is Circular Plate
Three times, the width of Circular Plate is more than the three times or three times of round and smooth rail width, and Circular Plate is corresponding in the middle part of the internal ring wall of round and smooth rail
It is fixed together, the two cross section is T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365344.2A CN108152136A (en) | 2017-12-18 | 2017-12-18 | Belt force experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711365344.2A CN108152136A (en) | 2017-12-18 | 2017-12-18 | Belt force experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108152136A true CN108152136A (en) | 2018-06-12 |
Family
ID=62467503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711365344.2A Pending CN108152136A (en) | 2017-12-18 | 2017-12-18 | Belt force experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108152136A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844670A (en) * | 2018-06-20 | 2018-11-20 | 苏州市众寅弹簧制造有限公司 | Simple tension spring tension detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201983995U (en) * | 2011-03-17 | 2011-09-21 | 奇瑞汽车股份有限公司 | Seat belt webbing testing device |
| CN202693408U (en) * | 2012-05-07 | 2013-01-23 | 济南吉利汽车有限公司 | Tensile testing hook device |
| CN103454144A (en) * | 2013-09-02 | 2013-12-18 | 无锡红旗电机配件厂 | Tensile strength detection clamp for mandrel of automobile safety belt |
| CN104568587A (en) * | 2015-02-13 | 2015-04-29 | 郑州市卧龙游乐设备有限公司 | Movable type fixed pull ring bearing dynamometer |
| CN206119560U (en) * | 2016-08-19 | 2017-04-26 | 李磊 | That conveniently weighs carries conveniently |
| CN107389454A (en) * | 2017-09-04 | 2017-11-24 | 桂林电子科技大学 | A kind of composite rupture test device suitable for various shapes size test specimen |
-
2017
- 2017-12-18 CN CN201711365344.2A patent/CN108152136A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201983995U (en) * | 2011-03-17 | 2011-09-21 | 奇瑞汽车股份有限公司 | Seat belt webbing testing device |
| CN202693408U (en) * | 2012-05-07 | 2013-01-23 | 济南吉利汽车有限公司 | Tensile testing hook device |
| CN103454144A (en) * | 2013-09-02 | 2013-12-18 | 无锡红旗电机配件厂 | Tensile strength detection clamp for mandrel of automobile safety belt |
| CN104568587A (en) * | 2015-02-13 | 2015-04-29 | 郑州市卧龙游乐设备有限公司 | Movable type fixed pull ring bearing dynamometer |
| CN206119560U (en) * | 2016-08-19 | 2017-04-26 | 李磊 | That conveniently weighs carries conveniently |
| CN107389454A (en) * | 2017-09-04 | 2017-11-24 | 桂林电子科技大学 | A kind of composite rupture test device suitable for various shapes size test specimen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844670A (en) * | 2018-06-20 | 2018-11-20 | 苏州市众寅弹簧制造有限公司 | Simple tension spring tension detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108152136A (en) | Belt force experimental rig | |
| CN106225637A (en) | A kind of sag observation bar and observation procedure thereof | |
| CN117432908A (en) | Supporting device for communication engineering investigation and mapping | |
| CN109060215A (en) | A kind of transmission and distribution line stringing instrument | |
| CN207832196U (en) | Forestry compass | |
| CN209028919U (en) | A kind of Middle School Physics pulley blocks experimental demonstration device | |
| CN105841622A (en) | Steel wire rope cable force test method and device | |
| CN207314104U (en) | A kind of road surface structare layer thickness gauge | |
| CN215518913U (en) | Be applied to ultralight benchmark roof beam that pile foundation resistance to compression bearing capacity detected | |
| CN206387814U (en) | A kind of small-sized field wind intensity detection experimental rig | |
| CN205981953U (en) | Synthetic cloth hardness of adhesive tape shoes vamp (very nature) automated inspection equipment | |
| CN209495705U (en) | A kind of LED Calibration of measuring instruments device | |
| CN114414147A (en) | Sports equipment balance testing device and method thereof | |
| CN209952128U (en) | Limb strength training loading measuring device | |
| CN204193402U (en) | Friction-type Power Vehicle and the exercise risk evaluating system containing this Power Vehicle | |
| JP6068847B2 (en) | Net rope tension adjusting method and support device for competition net | |
| CN208688795U (en) | A kind of composite steel-plastic belt tensile capacity detection device | |
| CN205886957U (en) | Test -tube rack is used to rice quality survey | |
| CN204740302U (en) | V type area capability test machine | |
| CN209485589U (en) | Table tennis net elastic force measurement device | |
| CN108918132A (en) | A kind of composite steel-plastic belt tensile capacity detection device | |
| CN214479214U (en) | Movable cable bridge | |
| CN209512779U (en) | A kind of novel coating thickness tester | |
| CN204740101U (en) | Polar moment of in ertia test torsion bar mechanism | |
| CN107153030A (en) | A kind of sole changeable shoes sole quality detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180612 |
|
| WD01 | Invention patent application deemed withdrawn after publication |