CN207540912U - A kind of hard and soft interchangeable experimental rig of impact - Google Patents
A kind of hard and soft interchangeable experimental rig of impact Download PDFInfo
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- CN207540912U CN207540912U CN201721633468.XU CN201721633468U CN207540912U CN 207540912 U CN207540912 U CN 207540912U CN 201721633468 U CN201721633468 U CN 201721633468U CN 207540912 U CN207540912 U CN 207540912U
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Abstract
The utility model is related to a kind of hard and soft interchangeable experimental rig of impact, including：Motor, braking system, rotating shaft transmission system, swings impact system, buffer system, testpieces, rack, load cell, clutch, mobile system, staircase at reduction box；The staircase is connect with the left platform of the rack and right platform, the motor and the reduction box are fixed on the left platform of the rack, the braking system is fixed on the right platform of the rack, the buffer system is fixedly mounted on the pedestal of the rack, the rotating shaft transmission system is mounted between the reduction box and the braking system, and the swing impact system is mounted in the rotating shaft transmission system；The hard and soft of the swing rod of the impact test apparatus of the utility model is adjustable, realizes the new method for detecting impact resistance of coating, has saved man power and material, realizes the detection to different shock resistances, improves detection efficiency.
Description
Technical field
The utility model is related to a kind of novel impact testing machines, and in particular to a kind of hard and soft impact is interchangeable to be used to detect
The novel mechanical experiment detection device of coating material shock resistance.
Background technology
The metallic matrix being exposed to for a long time in atmospheric environment in order to prevent corrodes, people produce coating and by its
It is coated on metallic matrix and forms coating, protect metallic matrix and be not corroded, with the continuous development in epoch, coating is no longer only
It is the traditional corrosion and the aesthetic appeal that are used for preventing metal matrix that we are understood, coating has been widely used
To a variety of occasions, such as deck, fabrication facility floor and some special public place fields on marine derrick, naval vessel, without
Same application field is also different to the performance requirement of coating, and surface stripping easily occurs under the impact force action of high-speed overload for coating
The degree of impairment for falling and being broken easily causes great mechanical breakdown in some important occasions, influences the service life of machinery
With the stability of mechanical system.The utility model provides a kind of rigid or the lower coating of flexibility large impact power effect anti-for detecting
The novel impact testing machine of impact property is not only detected, while can some face coats for requiring shock resistance big
According to the thickness of the body of detection face coat and the height of height adjustment rack of impact and the length of swing rod, realize to difference
The detection of thickness body surface coating realizes detection impact force and is coated with the diversification of coating body, which has
Perfect in shape and function, automatization level is high, improves detection efficiency, the remarkable advantage of adjustable impact power.
Invention content
In order to achieve the above-mentioned object of the invention, the utility model discloses a kind of hard and soft interchangeable experimental rig of impact, has
Perfect in shape and function, automatization level height improve detection efficiency, adjustable impact power, to body surface coating detection of different-thickness etc.
Feature.
Technical solution is as follows used by a kind of hard and soft interchangeable experimental rig of impact of the utility model：
A kind of hard and soft interchangeable experimental rig of impact, including：Motor, reduction box, braking system, rotating shaft transmission system,
Swing impact system, buffer system, testpieces, rack, load cell, clutch, mobile system, staircase；The rack is adopted
With symmetric triangular structure, left platform and right platform are installed in the top processing of the rack, and three face fence modes are led to around platform
It crosses reinforcing bar and adds shield, the staircase is connect with left platform and right platform, and the motor and the reduction box are fixed on the rack
On left platform, the braking system is fixed on the right platform of the rack, and the buffer system is fixedly mounted on the rack
Pedestal on, the rotating shaft transmission system is mounted on by deep groove ball bearing between the reduction box and the braking system, deep
Ditch ball bearing has a pair, is symmetrically and fixedly mounted to the top of the rack, and the swing impact system is passed mounted on the shaft
In dynamic system and positioned at the centre position of the rack；The motor imparts power to the reduction box, by the deceleration
The rotating shaft transmission system is transmitted torque to by clutch after the deceleration of case, the rotating shaft transmission system drive passes through spline
The swing impact system of connection treats that the swing impact system is promoted to certain around the rotating shaft transmission system fixed-axis rotation
After height, the clutch separates, and the swing impact system is described to swing impact around the rotating shaft transmission system free-falling
When system collides the testpieces being fixed in the buffer system, flexible deformation occurs for the buffer system, described to swing punching
It hits after system collides with the testpieces and the testpieces rise certain altitude that nuzzles up, the braking system work is produced
Raw brake force forces the swing impact system to stop swinging, and completes impact resistance of coating detection on testpieces.
Further, the reduction box is slowed down using worm and gear primary transmission, the worm screw by clutch with
The motor connection, the rotation axis of the worm gear are connect by spline IV with the rotating shaft transmission system.
Further, the rotating shaft transmission system includes：Spline II, bearing block, trapezoidal shaft, deep groove ball bearing, spline
III；The bearing block is symmetrically and fixedly mounted to by bolt on the upper top surface of the rack, the outer ring of the deep groove ball bearing with
The bearing block is using interference fit, and the inner ring of the deep groove ball bearing is with the trapezoidal shaft using interference fit, the ladder
Shape shaft one end is connect by the spline II with the reduction box, and the other end of the trapezoidal shaft passes through spline III and institute
Braking system is stated to be connected.
Further, the swing impact system includes：Sleeve, swing rod, pendulum；The tail portion of the swing rod and the pendulum
It is fixedly connected, the pendulum is solid spherical structure, when the pendulum collides with the testpieces, ensures the pendulum
Point contact is realized with the testpieces, it is ensured that the testpieces impact force that unit area is subject to during the test is maximum, institute
Swing rod is stated as elongated rod structure, ensures the impact force swung when impact system impacts the testpieces, the sleeve passes through
Two general flat keys of 120 ° of distributions of circumferential direction are connect with the trapezoidal shaft of the rotating shaft transmission system.
Further, the swing rod is hard and soft merger bar, and overall length is adjustable, and the swing rod is combined by multipair rod unit
It forms, the rod unit includes：Connecting rod I, connecting rod II, hinge, jaw clutch I, jaw clutch II, worm gear I,
Worm screw I, the connecting rod I are hollow shaft structure, are provided with circular hole on outer wall, install the worm gear I, be sealed in turbine body,
Machining internal thread on the inner wall of described connecting rod I one end is connected through a screw thread with the connecting rod II, and the connecting rod I's is another
One end and the hinge connection, the shaft end at the end are provided with guiding featherway, and the jaw clutch I is installed by being oriented to feather key
On the connecting rod I；The connecting rod II is bi-body structure, and bi-body structure is linked together by universal bearing, the last period
Structure is fixedly connected with one end of long screw, and internal and external threads are provided on long screw, and the worm screw I is fixed on the company by bearing
The inside of extension bar I, one end of the worm screw I are provided with screw thread, are fixedly connected with the inside of long screw, the external screw thread of long screw and institute
State the internal thread connection of connecting rod I；Guiding featherway, the jaw clutch are provided on the latter segment structure of the connecting rod II
Device II is mounted on the external part of the connecting rod II by being oriented to feather key, and the other end and the hinge of the connecting rod II connect
It connects, the hinge is wrapped in the inside of the jaw clutch II；With micro-driving motor, driving on the worm gear I
The worm screw I is driven to rotate forward by the worm gear I or anyway, the worm screw I rotations drive the previous segment structure of the connecting rod II
Long screw rotation, previous segment structure is connect with latter segment structure by universal bearing, so as to fulfill latter segment structure in the snail
It is moved on the axis of bar I, the adjustment of the rod unit length is realized, so as to fulfill the scalable of the swing rod；Each pair of bar
Component is connected together through the hinges, and forms flexible link, after each pair of rod unit length adjustment is complete, the jaw clutch I
It is attracted with jaw clutch II, the connecting rod I and the connecting rod II is fixed together, form rigid rod.
Further, the buffer system includes：Testboard, cylindrically coiled spring；Described cylindrically coiled spring one end is consolidated
Dingan County is on the small column on the lower plate of the rack, the cylindrically coiled spring other end and the testboard bottom surface
Small column be fixedly connected, the testboard upper surface fixes the testpieces, the height of the buffer system by T-bolt
Degree and described the sum of length for swinging impact system more than the rotating shaft transmission system trapezoidal shaft rotary centerline with it is described
The distance of rack lower plate；During the swing impact system free-falling, the pendulum for swinging impact system and the experiment
When part collides, the cylindrically coiled spring constantly compresses under the action of impact force, due to the presence of inertia force, collision
The pendulum of the swing impact system afterwards will continue to swing forward, be become by the vertical and horizontal of the cylindrically coiled spring
Shape makes the swing impact system pass through the testpieces and generate certain rise angle, and the swing impact system nuzzles up
Go up certain altitude after the testpieces, and the signal of the horizontal and vertical dynamometer reception impact force of the testboard simultaneously will be laterally
The size of power and longitudinal force is transmitted to control system, realizes the real-time monitoring of dynamometry.
Further, the upper part of the supporting column of the rack point, support column lower part are using rhs-structure, the support column
Inner hollow, and thickness is equal, the overall dimensions of the upper part of the support column are less than the overall dimensions of lower part, the support
The upper part of column, the relative movement of lower part connect realization with sliding block by rectilinear orbit, and the sliding block is fixed on the support
The upper part of column, the position that is in contact of lower part, are particularly located at the inside of the support column lower part, and the rectilinear orbit passes through
Bolt is fixed on the side of the upper part of the support column；By changing the height of the rack, cooperation adjusts described swing and rushes
The length of the swing rod of system is hit, realizes the detection that shock resistance is carried out to the face coat of different-thickness on testpieces.
Further, the mobile system includes：Rack, gear, X-type link, V-type link, cylinder, baffle；Institute
It states gear and shares 16, the rack shares eight, and the modulus of the two is equal with pressure angle difference, and the rack is symmetrically installed
Before and after two upper part of the supporting columns point of the rack, and the front and rear side that each upper part of the supporting column is divided to respectively is installed described in two
Rack, wherein a upper working face for being mounted on the fixed lower part of support column, another is mounted on work in the rack
Make the bottom surface in face, two gears have been coordinated on the every rack, opposite direction is mounted on described in four on the rack
Gear rotates realize that the both sides of four gears of the same side of each support column are respectively pacified by the X-type link simultaneously
An X-type link is filled, and the gear is connect with the connecting rod of the X-type link by small shaft, connection two
The small shaft length of person is more than the overall width of the two, and the baffle is symmetrically mounted on the both ends of the rack by bolt, described
The distance of baffle and the rack is equal to the width of the X-type link, is opened on the inside of the baffle there are one sliding slot, connects institute
The small shaft for stating gear and the X-type link is slided in sliding slot, and the X-type link centre is connected by rotating pin
It connects, two connecting rods of the X types link are rotated around axis pin, and symmetric position respectively has one in the connecting rod of the X-type link
A pin shaft hole；The center junction of the V-type link is connected by rotating pin, two connecting rods of the V-type link
Top symmetric position it is also each there are one pin shaft hole, the V-type link leads to the X-type link in the axis pin hole site
Axis pin connection is crossed, the V-type link is connect with the cylinder by axis pin, and the cylinder is mounted on the rack by bolt
The both sides of support column；The Telescopic-cylinder, the cylinder push the V-type link, and the V-type link angle of the crossing is by small change
Greatly, the X-type link is pushed, the angle of the crossing of the X-type link changes from small to big, and drives the gear on the rack
It is mobile, realize the lifting of the rack；The rack section of shock machine is lifted by this lifting form, is ensured
Stationarity of the rack in lifting process.
Further, the big of impact force is tested when the testpieces collides with the pendulum for swinging impact system
It is small, it is measured by load cell, the load cell is fixedly mounted on the bottom surface of the testboard of the buffer system,
The size of power is measured by the load cell, determines testpieces face coat institute's energy in the case where not destroying
The size of power is absorbed impact, then obtains the shock resistance of face coat；The shock resistance of the testpieces face coat
Detection, also rely on a control system, the control system controls the motor, braking system, the reduction box, described
Rotating shaft transmission system, the coordinated operation for swinging impact system, the buffer system.
Implement the hard and soft interchangeable experimental rig of impact of one kind of the utility model, advantage is：
(1) the hard and soft interchangeable experimental rig of impact of one kind of the utility model overcomes many detection coating materials and resists
The unicity of impact property；The test detecting equipment of traditional detection coating material shock resistance is mostly by a certain fixed impact
Power is applied on coating material, according to the extent of the destruction of coating material judge the shock resistance of coating material, this practicality
The novel hard and soft interchangeable experimental rig of impact of provided one kind, according to the operation principle of traditional Charpy impact machine tester,
It is improved on the basis of original Charpy impact machine tester, the novel of face coat shock resistance can be detected by evolving into
Shock machine, the difference lies in the utility model is provided with the detection device of traditional detection impact resistance of coating
A kind of hard and soft impact interchangeable experimental rig face coat shock resistance can be required using field according to different
Difference, by changing the change realized to detecting impact force size to swinging the height of impact system promotion and the length of swing rod,
One-to-one detection pattern in the past has been abandoned, has realized one-to-many detection new model.
(2) the interchangeable experimental rig of the hard and soft impact of one kind of the utility model, the worm gear I worm screws I knots on the swing rod
Structure mating connection bar I and connecting rod II, realize the adjustment of the rod unit length, so as to fulfill the scalable of the swing rod；Often
Rod unit is connected together through the hinges, forms flexible link, after each pair of rod unit length adjustment is complete, the jaw clutch
Device I and jaw clutch II is attracted, and the connecting rod I and the connecting rod II are fixed together, composition rigidity
Bar；It is driven using worm gear I worm screws I, realizes the adjustment of connecting rod I, connecting rod II length, and with self-locking effect, prevent from impacting
In the process, the length of the swing rod changes, and the hard and soft of swing rod is realized by jaw clutch depending post modular construction
It is adjustable.
Description of the drawings
Fig. 1：A kind of hard and soft interchangeable experimental rig overall structure figure of impact of the utility model；
Fig. 2：A kind of hard and soft interchangeable experimental rig front view of impact of the utility model；
Fig. 3：A kind of hard and soft interchangeable experimental rig vertical view of impact of the utility model；
Fig. 4：A kind of hard and soft interchangeable experimental rig left view of impact of the utility model；
Fig. 5：A kind of hard and soft interchangeable experimental rig rod unit structure chart I of impact of the utility model；
Fig. 6：A kind of hard and soft interchangeable experimental rig rod unit structure chart II of impact of the utility model.
In figure：1- motors, 2- reduction boxes, 3- braking systems, 4- rotating shaft transmission systems, 41- splines I, 42- bearing block, 43-
Trapezoidal shaft, 44- deep groove ball bearings, 45- splines II, 5- swing impact system, 51- sleeves, 52- swing rods, 53- pendulums, 55- bars
Component, 521- connecting rods I, 522- connecting rod II, 523- hinge, 524- jaw clutches I, 525- jaw clutch II,
526- worm gears I, 527- worm screw I, 6- buffer system, 61- testboards, 62- cylindrically coiled springs, 7- testpieces, 8- racks, 9-
Load cell, 10- clutches, 11- mobile systems, 111- racks, 112- gears, 113-X type links, the connection of 114-V types
Frame, 115- cylinders, 116- baffles, 12- staircases.
Specific embodiment
The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.
As shown in Fig. 1,2,3,4,5,6, a kind of hard and soft interchangeable experimental rig of impact, including：Motor, reduction box, system
Dynamic system, swings impact system, buffer system, testpieces, rack, load cell, clutch, movement at rotating shaft transmission system
System, staircase；The rack uses symmetric triangular structure, and left platform and right platform, platform are installed in the top processing of the rack
Around three face fence modes shield is added by reinforcing bar, the staircase is connect with left platform and right platform, the motor and described is subtracted
Fast case is fixed on the left platform of the rack, and the braking system is fixed on the right platform of the rack, the buffer system
System be fixedly mounted on the pedestal of the rack, the rotating shaft transmission system by deep groove ball bearing be mounted on the reduction box and
Between the braking system, deep groove ball bearing has a pair, is symmetrically and fixedly mounted to the top of the rack, described to swing impact system
System is mounted in the rotating shaft transmission system and positioned at the centre position of the rack；The motor imparts power to described subtract
Fast case, the rotating shaft transmission system is transmitted torque to after the deceleration of the reduction box by clutch, and the shaft passes
The swing impact system that dynamic system drive is connected by spline treats the swing around the rotating shaft transmission system fixed-axis rotation
Impact system is promoted to after certain altitude, and the clutch separates, the swing impact system around the rotating shaft transmission system from
By falling, when the swing impact system collides the testpieces being fixed in the buffer system, the buffer system occurs
Flexible deformation, after swing impact system and the testpieces collide and the testpieces rise certain altitude that nuzzles up,
The braking system work, the brake force of generation force the swing impact system to stop swinging, complete coating on testpieces and resist
Impact property detects.
As shown in Fig. 1,2,3,4,5,6, a kind of working method of the hard and soft interchangeable experimental rig of impact of the utility model
It is：
Control system control motor 1, reduction box 2, rotating shaft transmission system 4, swings impact system 5, buffering at braking system 3
The coordinated operation of system 6, mobile system 11；Drive the worm gear 726 that the worm screw 727 is driven to rotate forward or anyway, the worm screw
727 rotations drive the long screw rotation of the previous segment structure of the connecting rod II722, and previous segment structure passes through with latter segment structure
Universal bearing connects, and is moved on the axis of the worm screw 727 so as to fulfill latter segment structure, realizes the rod unit
The adjustment of 75 length, so as to fulfill the scalable of the swing rod 72；Each pair of rod unit 75 is linked together by hinge 723, group
Into flexible link, after each pair of 75 length adjustment of rod unit is complete, the jaw clutch I724 and jaw clutch II725
It is attracted, the connecting rod I721 and the connecting rod II722 is fixed together, form rigid rod；Adjust the swing rod
After 72 rigid shock or soft impulse；Motor 1 operates, and power is passed to reduction box 2 by motor 1 by clutch 10, passes through
Torque is passed into rotating shaft transmission system 4 through spline I41 after the deceleration of reduction box 2, rotating shaft transmission system 4 drive by spline into
The swing impact system 5 of row connection is around trapezoidal 43 fixed-axis rotation of shaft, after swinging impact system 5 and promoting certain altitude, from
Clutch 10 detaches, and swings impact system 5 and rotates the 4 free bottom of shaft transmission system, and swing impact system 5, which collides, is fixed on buffering
During testpieces 7 in system 6, flexible deformation occurs for the cylindrically coiled spring 62 of buffer system 6, swings impact system 5 and experiment
After part 7 collides and after the 7 rise certain altitude of testpieces that nuzzles up, braking system 3 operates, the brake force that braking system 3 generates
It is logical that swing impact system 5 is forced to stop swinging, detection is completed, data and the examination on computer are fed back to according to load cell 9
The situation of change for testing 7 face coat of part determines the shock resistance of 7 face coat of testpieces；If the cated base of the painting tested
The thickness of body is very big or very little or the impact for needing to realize different height, needs to be adjusted the height of rack 8, pass through
Mobile system 11 is controlled to complete adjustment work；Cylinder 115 operates, and the catch bar of cylinder 115 pushes V-type link 114, and V-type connects
The angle of the crossing for connecing frame 114 changes from small to big, and pushes X-type link 113, and the angle of the crossing of X-type link 113 changes from small to big, and drives
111 movement on rack of gear 112, realizes the lifting of rack 8.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of hard and soft interchangeable experimental rig of impact, which is characterized in that including：Motor (1), reduction box (2), braking system
(3), rotating shaft transmission system (4), swing impact system (5), buffer system (6), testpieces (7), rack (8), load cell
(9), clutch (10), mobile system (11), staircase (12)；The rack (8) is using symmetric triangular structure, the rack (8)
Top processing left platform and right platform are installed, three face fence modes add shield, the staircase (12) by reinforcing bar around platform
It is connect with left platform and right platform, the motor (1) and the reduction box (2) are fixed on the left platform of the rack (8), institute
It states braking system (3) to be fixed on the right platform of the rack (8), the buffer system (6) is fixedly mounted on the rack (8)
Pedestal on, the rotating shaft transmission system (4) is by deep groove ball bearing (44) mounted on the reduction box (2) and the braking system
It unites between (3), deep groove ball bearing (44) has a pair, is symmetrically and fixedly mounted to the top of the rack (8), described to swing impact system
(5) are united on the rotating shaft transmission system (4) and positioned at the centre position of the rack (8)；The motor (1) is by power
The reduction box (2) is passed to, described turn is transmitted torque to by clutch (10) after the deceleration of the reduction box (2)
Shaft transmission system (4), the rotating shaft transmission system (4) drive the swing impact system (5) connected by spline around described
Rotating shaft transmission system (4) fixed-axis rotation, after the swing impact system (5) is promoted to certain altitude, the clutch (10)
It separates, the swing impact system (5) is collided around rotating shaft transmission system (4) free-falling, the swing impact system (5)
During to testpieces (7) being fixed in the buffer system (6), flexible deformation occurs for the buffer system (6), described to swing punching
It hits after system (5) and the testpieces (7) collide and the testpieces (7) the rise certain altitude that nuzzles up, the braking system
System (3) work, the brake force of generation force the swing impact system (5) to stop swinging, complete coating anti-impact on testpieces (7)
Hit performance detection.
2. the hard and soft interchangeable experimental rig of impact of one kind according to claim 1, which is characterized in that the reduction box
(2) slowed down using worm and gear primary transmission, worm screw is connect by clutch (10) with the motor (1), and worm gear turns
Moving axis is connect by spline IV with the rotating shaft transmission system (4).
3. the hard and soft interchangeable experimental rig of impact of one kind according to claim 1, which is characterized in that the rotating shaft transmission
System (4) includes：Spline II (41), bearing block (42), trapezoidal shaft (43), deep groove ball bearing (44), spline III (45)；Institute
Bearing block (42) is stated to be symmetrically and fixedly mounted to by bolt on the upper top surface of the rack (8), the deep groove ball bearing (44)
With the bearing block (42) using being interference fitted, the inner ring of the deep groove ball bearing (44) is adopted with the trapezoidal shaft (43) for outer ring
With interference fit, described trapezoidal shaft (43) one end is connect by the spline II (41) with the reduction box (2), described trapezoidal
The other end of shaft is connected by spline III (45) with the braking system (3).
4. the hard and soft interchangeable experimental rig of impact of one kind according to claim 1, which is characterized in that described to swing impact
System (5) includes：Sleeve (51), swing rod (52), pendulum (53)；The tail portion of the swing rod (52) and the fixed company of the pendulum (53)
It connects, the pendulum (53) is solid spherical structure, when the pendulum (53) collides with the testpieces (7), ensures institute
State pendulum (53) and the testpieces (7) and realize point contact, it is ensured that the testpieces (7) during the test unit area by
Impact force it is maximum, the swing rod (52) is elongated rod structure, ensures that the swing impact system (5) impacts the testpieces
(7) impact force when, two general flat keys and the rotating shaft transmission system (4) of the sleeve (51) by circumferential 120 ° of distributions
Trapezoidal shaft (43) connection.
5. the hard and soft interchangeable experimental rig of impact of one kind according to claim 4, which is characterized in that the swing rod (52)
For hard and soft merger bar, overall length is adjustable, and the swing rod (52) is composed of multipair rod unit (55), the rod unit
(55) include：Connecting rod I (521), connecting rod II (522), hinge (523), jaw clutch I (524), jaw clutch
II (525), worm gear I (526), worm screw I (527), the connecting rod I (521) are hollow shaft structure, are provided with circular hole on outer wall, pacify
The worm gear I (526) is filled, is sealed in turbine body, machining internal thread on the inner wall of described connecting rod I (521) one end, with institute
It states connecting rod II (522) to be connected through a screw thread, the other end of the connecting rod I (521) is connect with the hinge (523), the end
Shaft end be provided with guiding featherway, the jaw clutch I (524) is by being oriented to feather key mounted on the connecting rod I (521)
On；The connecting rod II (522) is bi-body structure, and bi-body structure is linked together by universal bearing, previous segment structure and length
One end of screw is fixedly connected, and internal and external threads are provided on long screw, and the worm screw I (527) is fixed on the connection by bearing
The inside of bar I (521), one end of the worm screw I (527) are provided with screw thread, are fixedly connected with the inside of long screw, outside long screw
Screw thread is connect with the internal thread of the connecting rod I (521)；Guiding is provided on the latter segment structure of the connecting rod II (522) to slide
Keyway, the jaw clutch II (525) is mounted on the external part of the connecting rod II (522) by being oriented to feather key, described
The other end of connecting rod II (522) is connect with the hinge (523), and the hinge (523) is wrapped in the jaw clutch
The inside of device II (525)；With micro-driving motor on the worm gear I (526), the worm gear I (526) is driven to drive the snail
Bar I (527) is rotated forward or anyway, worm screw I (527) rotation drives the long filament of the previous segment structure of the connecting rod II (522)
Mother's rotation, previous segment structure is connect with latter segment structure by universal bearing, so as to fulfill latter segment structure in the worm screw I
(527) it is moved on axis, the adjustment of the rod unit (55) length is realized, so as to fulfill stretching for the swing rod (52)
Contracting；Each pair of rod unit (55) is linked together by hinge (523), is formed flexible link, is treated each pair of rod unit (55) length adjustment
After complete, the jaw clutch I (524) and jaw clutch II (525) are attracted, by the connecting rod I (521) and described
Connecting rod II (522) is fixed together, and forms rigid rod.
6. the hard and soft interchangeable experimental rig of impact of one kind according to claim 1, which is characterized in that the buffer system
(6) include：Testboard (61), cylindrically coiled spring (62)；Described cylindrically coiled spring (62) one end is fixedly mounted on the machine
On small column on the lower plate of frame (8), cylindrically coiled spring (62) other end and the testboard (61) bottom surface
Small column is fixedly connected, and testboard (61) upper surface fixes the testpieces (7), the buffer system by T-bolt
The sum of the height of (6) and the length of the swing impact system (5) of uniting are more than the trapezoidal shaft of the rotating shaft transmission system (4)
(43) distance of rotary centerline and the rack (8) lower plate；During described swing impact system (5) free-falling, the pendulum
When the pendulum (53) of dynamic impact system (5) collides with the testpieces (7), the cylindrically coiled spring (62) is in impact force
Effect is lower constantly to be compressed, due to the presence of inertia force, the pendulum (53) of the swing impact system (5) after collision understand after
It is continuous to swing forward, it is deformed by the vertical and horizontal of the cylindrically coiled spring (62), makes the swing impact system (5) smooth
By the testpieces (7) and certain rise angle is generated, swing impact system (5) testpieces (7) that nuzzles up gos up afterwards
Certain altitude, the horizontal and vertical load cell of the testboard (61) receive the signal of impact force and by cross forces and longitudinal direction
The size of power is transmitted to control system, realizes the real-time monitoring of dynamometry.
7. the hard and soft interchangeable experimental rig of impact of one kind according to claim 1, which is characterized in that the rack (8)
Upper part of the supporting column point, support column lower part using rhs-structure, the support column inner hollow, and thickness is equal, it is described
The overall dimensions of the upper part of support column are less than the overall dimensions of lower part, the upper part of the support column, lower part it is opposite
It is moved through rectilinear orbit and connects realization with sliding block, the sliding block is fixed on the upper part of the support column, lower part connects
Position is touched, is particularly located at the inside of the support column lower part, the rectilinear orbit is bolted on the support column
The side of upper part；By changing the height of the rack (8), cooperation adjusts the swing rod (52) for swinging impact system (5)
Length, realize on testpieces (7) different-thickness face coat carry out shock resistance detection.
8. the hard and soft interchangeable experimental rig of impact of one kind according to claim 1, which is characterized in that the mobile system
(11) include：Rack (111), gear (112), X-type link (113), V-type link (114), cylinder (115), baffle
(116)；The gear (112) shares 16, and the rack (111) shares eight, and the modulus and pressure angle of the two distinguish phase
The front and rear of two upper part of the supporting columns point of the rack (8) is symmetrically mounted on Deng, the rack (111), and on each support column
A partial front and rear side respectively installs two racks (111), wherein one is mounted on the fixed lower part of support column
Upper working face, another has coordinated two on the bottom surface of working face in the rack (8), the every rack (111)
A gear (112), opposite direction is mounted on four gears (112) on the rack (111) while rotation passes through the X
Type link (113) realizes that the both sides of four gears (112) of the same side of each support column are respectively mounted with described in one
X-type link (113), and the gear (112) is connect with the connecting rod of the X-type link (113) by small shaft, connection
The small shaft length of the two is more than the overall width of the two, and the baffle (116) is symmetrically mounted on the rack (111) by bolt
Both ends, the distance of the baffle (116) and the rack (111) is equal to the width of the X-type link (113), the gear
The small shaft for there are one sliding slot, connecting the gear (112) and the X-type link (113) is opened on the inside of plate (116) in sliding slot
In slide, X-type link (113) centre is connected by rotating pin, two companies of the X-type link (113)
Extension bar is rotated around axis pin, and respectively there are one pin shaft holes for symmetric position in the connecting rod of the X-type link (113)；The V-type connection
The center junction of frame (114) is connected by rotating pin, and the top of two connecting rods of the V-type link (114) is symmetrical
Position is also each there are one pin shaft hole, and the V-type link (114) is led to the X-type link (113) in the axis pin hole site
Axis pin connection is crossed, the V-type link (114) is connect with the cylinder (115) by axis pin, and the cylinder (115) passes through spiral shell
Bolt is mounted on the both sides of the rack (8) support column；The cylinder (115) is flexible, and the cylinder (115) pushes the V-type to connect
Frame (114) is connect, V-type link (114) angle of the crossing changes from small to big, and pushes the X-type link (113), and the X-type connects
The angle of the crossing for connecing frame (113) changes from small to big, and the gear (112) is driven to be moved on the rack (111), realizes the machine
The lifting of frame (8).
9. the hard and soft interchangeable experimental rig of impact of one kind according to claim 1, which is characterized in that the testpieces
(7) size of test impact force when colliding with the pendulum (53) of the swing impact system (5), by load cell
(9) it measures, the load cell (9) is fixedly mounted on the bottom surface of testboard (61) of the buffer system (6), is passed through
The load cell (9) measures the size of power, determines the testpieces (7) face coat institute in the case where not destroying
The size of power can be absorbed impact；The detection of the shock resistance of testpieces (7) face coat, also relies on a control system,
The control system controls the motor (1), the braking system (3), the reduction box (2), the rotating shaft transmission system
(4), the coordinated operation for swinging impact system (5), the buffer system (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721633468.XU CN207540912U (en) | 2017-11-30 | 2017-11-30 | A kind of hard and soft interchangeable experimental rig of impact |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721633468.XU CN207540912U (en) | 2017-11-30 | 2017-11-30 | A kind of hard and soft interchangeable experimental rig of impact |
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| CN207540912U true CN207540912U (en) | 2018-06-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807053A (en) * | 2017-11-30 | 2018-03-16 | 青岛科技大学 | A kind of hard and soft interchangeable experimental rig of impact |
| TWI700477B (en) * | 2019-08-15 | 2020-08-01 | 優藶國際有限公司 | Tool test device |
| CN114002055A (en) * | 2021-11-08 | 2022-02-01 | 浙江省轻工业品质量检验研究院 | Horizontal impact test device with adjustable height |
-
2017
- 2017-11-30 CN CN201721633468.XU patent/CN207540912U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807053A (en) * | 2017-11-30 | 2018-03-16 | 青岛科技大学 | A kind of hard and soft interchangeable experimental rig of impact |
| CN107807053B (en) * | 2017-11-30 | 2023-08-29 | 青岛科技大学 | Rigid-flexible impact interchangeable test device |
| TWI700477B (en) * | 2019-08-15 | 2020-08-01 | 優藶國際有限公司 | Tool test device |
| CN114002055A (en) * | 2021-11-08 | 2022-02-01 | 浙江省轻工业品质量检验研究院 | Horizontal impact test device with adjustable height |
| CN114002055B (en) * | 2021-11-08 | 2023-08-22 | 浙江省轻工业品质量检验研究院 | Height-adjustable horizontal impact test device |
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