A kind of single side slides Multifunctional friction Material Testing Machine
Technical field
The invention belongs to friction material test machine fields, and Multifunctional friction material is slided more particularly, to a kind of single side
Testing machine.
Background technology
The frictional behaviour of friction material is directly related to the overall performance of earthquake isolating equipment, mainly passes through detected materials and cunning
Plate carries out initial confficient of static friction, mean coefficient of kinetic sliding friction and the rate of wear of reciprocating sliding friction to obtain test material etc. and rubs
Wipe performance parameter.
At present, existing sliding frictional wear testing equipment is mostly using disk rotary friction mode, as ball-disc type,
Pin-disc type and ring-block formula friction test device.Such experimental rig mainly passes through the frictional disk of rotation and fixed friction head
Slip is rotated, so as to measure the friction coefficient of frictional disk, this has very big difference with earthquake isolating equipment reciprocating sliding friction mode,
Surveyed frictional behaviour parameter cannot be scientifically and rationally as the design considerations of earthquake isolating equipment;Secondly, such experimental rig is vertical
Load capability is small, and depth of parallelism stability is poor when frictional disk rotates, and lacks corresponding temperature-adjusting device, can not meet friction material
Carry out the frictional behaviour test requirements document under the earthquakes working condition such as different face pressures, speed and temperature.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of single side and slides Multifunctional friction material
Testing machine, the surface pressure born by vertical oil cylinder adjusting friction material, passes through cross cylinder and realizes the reciprocal of friction material
Sliding friction, by humidity control system adjust friction material test temperature, it can be achieved that friction material in different face pressures, speed
And the frictional behaviour experiment under the working conditions such as temperature.
To achieve the above object, the present invention provides a kind of single side and slides Multifunctional friction Material Testing Machine, including rack, liquid
Pressure system, slide assemblies and humidity control system, wherein,
The hydraulic system includes vertical oil cylinder, cross cylinder, vertical displacement sensor, horizontal displacement sensors, flange
Disk, vertical pressure sensor, connecting rod, horizontal pressure force sensor and servo valve block, the vertical oil cylinder are arranged on the rack
Top plate on, the vertical oil cylinder is internally provided with the vertical displacement sensor, and the pistons end of the vertical oil cylinder leads to
It crosses the ring flange to connect with the vertical pressure sensor, the cross cylinder is arranged on the crossbeam of the rack, described
The end of cross cylinder is fixed by supporting rack and the pedestal of the rack, and the cross cylinder is internally provided with the level
Displacement sensor, the cross cylinder pistons end are connect with one end of the horizontal pressure force sensor, and the horizontal pressure force passes
The other end of sensor is fixed by screw thread and the connecting rod, and it is described perpendicular that the servo valve block connects pumping plant by hydraulic oil pipe
Power is provided to oil cylinder and cross cylinder;
The slide assemblies are arranged on the upper surface of the frame ground seat board, including bearing base, guiding mechanism, slip
Platform component, slide plate and sample tooling, the lower face of the bearing base is connect by screw with the base board of the rack, described
Guiding mechanism is mounted on the upper surface of the bearing base, and the sample tooling upper surface passes through screw thread and the vertical pressure
The lower face connection of sensor, the sample tooling lower face are equipped with groove, and friction material sample is embedded in the sample tooling
It in groove, and is contacted with the upper surface of the slide plate, the slide plate is set on the upper surface of the sliding stand component;
The humidity control system includes temperature thermocouple, for monitoring the temperature of the slide plate, and then realization pair in real time
The temperature control of friction material.
Further, the sliding stand component include sliding stand and sliding stand pedestal, the sliding stand pedestal lower face with
The upper surface of the guiding mechanism is fixed, and the lower face of the sliding stand, the slide plate are accepted in the sliding stand pedestal upper surface
In the groove of the sliding stand upper surface, and the upper surface of the slide plate will be higher by the upper surface of the sliding stand.
Further, the sliding stand includes column bedding core, heat conducting pipe and muff, and the side of the column bedding core is equipped with
Helical connected in star, the heat conducting pipe are curled up in the groove of the column bedding core side, and the heat conducting pipe outer end face is less than institute
The side of column bedding core is stated, the center of the muff is equipped with cylindrical recesses, described for accepting the insertion of the column bedding core
The upper surface of muff is equipped with annular groove, for accepting the insertion of the slide plate, the annular groove bottom surface and the column
Bedding core top surface flushes, and the end setting of the muff is there are two heat conduction pipe fitting, for connecting the humidity control system, institute
It states muff side upper end and is provided with thermometer hole, for installing the temperature thermocouple.
Further, the humidity control system further includes heating refrigeration cycle device and return hose, the heating refrigeration
Circulator is connect by the return hose with the heat conduction pipe fitting, forms return line, and the temperature thermocouple is placed in institute
It states in thermometer hole.
Further, the front end of the sliding stand pedestal is provided with bi-lug plate, passes through axis pin and the connecting rod rod end
Oscillating bearing is hinged.
Preferably, the slide plate is mirror face stainless steel plate.
Preferably, the guiding mechanism is the smaller spherical guide guidance system of self-friction power, and is fixed by screws in
On the bearing base.
Preferably, the heat conducting pipe is copper tube.
Preferably, the muff is nylon muff.
Preferably, the gap between the heat conducting pipe and the column bedding core lateral grooves is filled with heat-conducting silicone grease.
In general, by the above technical scheme conceived by the present invention compared with prior art, it can obtain down and show
Beneficial effect:
(1) Multifunctional friction Material Testing Machine of the invention, the face pressure born by vertical oil cylinder adjusting friction material
Power realizes the reciprocating sliding friction of friction material by cross cylinder, and the experiment of friction material is adjusted by humidity control system
Temperature is, it can be achieved that frictional behaviour experiment of the friction material under the working conditions such as different face pressures, speed and temperature.
(2) Multifunctional friction Material Testing Machine of the invention, single friction material sample is contacted with sled surface during test,
And the smaller guidance system of self-friction power is selected to carry out slide-and-guide, the parallel of frictional contact surface in sliding process can be effectively ensured
Degree.
Description of the drawings
Fig. 1 is that a kind of single side of the embodiment of the present invention slides Multifunctional friction Material Testing Machine structure diagram;
Fig. 2 is the slide assemblies exploded pictorial that a kind of single side of the embodiment of the present invention slides Multifunctional friction Material Testing Machine
Figure;
Fig. 3 is that the sliding stand cross-section structure that a kind of single side of the embodiment of the present invention is slided in Multifunctional friction Material Testing Machine shows
It is intended to.
In all attached drawings, the identical structure of same reference numeral expression and part, wherein:The vertical oil cylinder of 1- racks, 2-,
3- cross cylinders, 4- crossbeams, 5- supporting racks, 6- ring flanges, 7- vertical pressures sensor, 8- samples tooling, the examination of 9- friction materials
Sample, 10- mirror face stainless steels slide plate, 11- sliding stands, 12- thermometer holes, 13- heat conduction pipe fitting, 14- sliding stands pedestal, 15- balls
Guide rail guidance system, 16- bearing bases, 17- axis pins, 18- connecting rods, 19- horizontal pressure forces sensor, 20- copper tubes, 21- are not
Become rusty steel bedding core, 22- nylon muffs.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below that
Conflict is not formed between this to can be combined with each other.
Fig. 1 is that a kind of single side of the embodiment of the present invention slides Multifunctional friction Material Testing Machine structure diagram, and Fig. 2 is this hair
A kind of bright single side of embodiment slides the slide assemblies decomposition diagram of Multifunctional friction Material Testing Machine.As depicted in figs. 1 and 2,
The testing machine includes rack 1, hydraulic system, slide assemblies, humidity control system and computer control system, wherein,
Hydraulic system includes vertical oil cylinder 2, ring flange 6, vertical pressure sensor 7, vertical displacement sensor, cross cylinder
3rd, connecting rod 18, horizontal pressure force sensor 19, horizontal displacement sensors and servo valve block.Vertical oil cylinder 2 is arranged on the top of rack 1
On plate, vertical oil cylinder 2 is internally provided with vertical displacement sensor, and the end of vertical 2 piston of oil cylinder passes through ring flange 6 and vertical pressure
Sensor 7 connects, and cross cylinder 3 is arranged on housiung separator 4, and horizontal displacement sensors are equipped with inside cross cylinder 3, horizontal
3 end of oil cylinder is fixed by supporting rack 5 and the pedestal of rack 1,3 pistons end of cross cylinder and the one of horizontal pressure force sensor 19
End connection, the other end of horizontal pressure force sensor 19 are threadably secured connecting rod 18, and the rod end end set of connecting rod 18 has
Oscillating bearing, servo valve block connect pumping plant by hydraulic oil pipe and provide power for vertical oil cylinder 2 and cross cylinder 3.
As shown in Fig. 2, slide assemblies are arranged on the upper surface of 1 base board of rack, including bearing base 16, spherical guide
Guidance system 15, sliding stand component, mirror face stainless steel slide plate 10, friction material sample 9, sample tooling 8, under bearing base 16
End face is connect by screw with the base board of rack 1, and spherical guide guidance system 15 is mounted on the upper surface of bearing base 16,
Sliding stand component includes sliding stand 11 and sliding stand pedestal 14, lower face and the spherical guide guidance system 15 of sliding stand pedestal 14
Upper surface fix, the lower face of sliding stand 11 is accepted in the upper surface of sliding stand pedestal 14, and friction material sample 9 is embedded in sample
In the circular groove of tooling 8, and contacted with the minute surface of mirror face stainless steel slide plate 10.
Fig. 3 is that the sliding stand cross-section structure that a kind of single side of the embodiment of the present invention is slided in Multifunctional friction Material Testing Machine shows
It is intended to.As shown in figure 3, sliding stand 11 is made of stainless steel bedding core 21, copper tube 20 and nylon muff 22, stainless steel bedding core 21
Side is equipped with helical connected in star, and copper tube 20 is curled up in 21 lateral grooves of stainless steel bedding core, and 20 outer end face of copper tube is less than
21 side of stainless steel bedding core, nylon muff 22 are fixed by screws on the upper surface of sliding stand pedestal 14, nylon muff
22 center is set there are one cylindrical recesses, for accepting the insertion of stainless steel bedding core 21, and the top after the insertion of stainless steel bedding core 21
Face is flushed with the cylindrical recesses top surface of nylon muff 22, and the upper surface of nylon muff 22 sets that there are one circular grooves, is used for
Accept the insertion of mirror face stainless steel slide plate 10, the minute surface of mirror face stainless steel slide plate 10 outwardly and is higher by the upper end of nylon muff 22
Face.
In a preferred embodiment of the invention, the front end of sliding stand pedestal 14 is provided with bi-lug plate, by axis pin 17 with connecting
The oscillating bearing of 18 rod end of extension bar is hinged, and there are two heat conduction pipe fittings 13 for the end setting of nylon muff 22, are adjusted with temperature
System connects, and the setting of 22 side upper end of nylon muff is there are one thermometer hole 12, for installing temperature thermocouple.
In a preferred embodiment of the invention, stainless steel bedding core 21 uses heat-conducting silicone grease before embedded nylon muff 22
It fills and smoothes out the groove on 21 side of stainless steel bedding core, prevent from curling up the copper tube 20 in 21 lateral grooves of stainless steel bedding core
Steam is condensed between the cylindrical recesses inner wall of nylon muff 22.
In a preferred embodiment of the invention, the appearance and size of the friction material sample 9 be 75 × 7mm of φ, sample work
The circular groove diameter for filling 8 isDepth is 4mm, the slide plate selected as mirror face stainless steel plate, appearance and size φ
155×3mm。
In a preferred embodiment of the invention, the humidity control system is used to implement the temperature adjusting to sliding stand 11,
Including heating refrigeration cycle device, return hose and temperature thermocouple, heating refrigeration cycle device takes external, passes through return hose
It is connect with the heat conduction pipe fitting 13 on nylon muff 22, temperature thermocouple is placed in the thermometer hole of sliding stand 11, is monitored in real time
The temperature of mirror face stainless steel slide plate 10.
In a preferred embodiment of the invention, the computer control system is used to control vertical oil cylinder 2 and cross cylinder 3
Movement, and realize and link with humidity control system, vertical pressure sensor 7, horizontal pressure force sensor 19, perpendicular can be acquired in real time
To the signal of displacement sensor, horizontal displacement sensors and temperature thermocouple.
The Multifunctional friction Material Testing Machine of the present invention, the surface pressure born by vertical oil cylinder adjusting friction material,
The reciprocating sliding friction of friction material is realized by cross cylinder, the experiment temperature of friction material is adjusted by humidity control system
Degree is, it can be achieved that frictional behaviour experiment of the friction material under the working conditions such as different face pressures, speed and temperature.
The Multifunctional friction Material Testing Machine of the present invention, single friction material sample is contacted with sled surface during test, and
The smaller guidance system of self-friction power is selected to carry out slide-and-guide, the parallel of frictional contact surface in sliding process can be effectively ensured
Degree.
As it will be easily appreciated by one skilled in the art that the foregoing is merely a prefered embodiment of the invention, it is not limited to
The present invention, all any modification, equivalent and improvement made all within the spirits and principles of the present invention etc. should be included in this
Within the protection domain of invention.