CN206683844U - The inertia disk control unit of low speed shaft brake efficiency test platform - Google Patents
The inertia disk control unit of low speed shaft brake efficiency test platform Download PDFInfo
- Publication number
- CN206683844U CN206683844U CN201720225944.8U CN201720225944U CN206683844U CN 206683844 U CN206683844 U CN 206683844U CN 201720225944 U CN201720225944 U CN 201720225944U CN 206683844 U CN206683844 U CN 206683844U
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- China
- Prior art keywords
- inertia
- hydraulic cylinder
- control unit
- disc
- disk control
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Abstract
A kind of inertia disk control unit of low speed shaft brake efficiency test platform, including base, multiple inertia discs are provided with by drive device on base, the bottom of inertia disc is inertia disk control unit, it includes system frame, the system frame is fixed on base, one end of the system frame is provided with assembled hydraulic cylinder body, the both ends of the assembled hydraulic cylinder body are respectively that inertia loading hydraulic cylinder and inertia depart from hydraulic cylinder, the output end of the assembled hydraulic cylinder body is liquid presses piston pole, interval is provided with multiple catchers on the liquid presses piston pole, each catcher is connected with inertia disc respectively.The utility model is compact-sized, reasonable, easy to operate, and the experiment of low speed shaft brake efficiency test can be conveniently accomplished by the utility model device, and there is provided inertia disk control unit can flexibly apply required inertia disc.Whole work is flexible, and functional reliability is good, and operating efficiency is high.
Description
Technical field
Lifting equipment technical field is the utility model is related to, especially a kind of low speed shaft brake efficiency test platform
Inertia disk control unit.
Background technology
Brake dynamometer is mainly made up of motor, main shaft, inertia disc, reductor, spring bearing.Inertia disc
Volume is big, weight is big, and maximum weight is up to 1.8 tons.And, it is necessary to according to braking moment during the brake experiment of different braking moments
Size calculate and need the rotary inertia that loads, inertia disc has different rotary inertias, and according to total inertia of calculating, it is appropriate to carry out
Combination, determine which inertia disc access rotating spindle, which inertia disc need to depart from rotating spindle.So heavy inertia disc will
Be using by hand loading and disengaging be impossible, and depart from inertia disc be also required to fix, in order to avoid with main shaft drag turn.Using
Hydraulic system loading be most convenient, it is quick, laborsaving, save trouble.
Brake dynamometer braking moment in the past is smaller, and inertia disc is also little, therefore using the side of hand lever
Formula can loads and departs from inertia disc, and the inertia disc of disengaging holds fixation by cushion block and linkage.Although troublesome in poeration,
Arduously, but it is also feasible.If inertia disc weight is big, which just dying, not only operates motionless, does not also fix disengaging
Inertia disc.
Utility model content
The shortcomings that the applicant is directed in above-mentioned existing production technology, there is provided a kind of low speed shaft brake efficiency test platform
Inertia disk control unit, so as to substantially increase using flexible, improve functional reliability and convenience.
Technical scheme is as follows used by the utility model：
A kind of inertia disk control unit of low speed shaft brake efficiency test platform, including base, pass through on base and drive dress
Put and multiple inertia discs are installed, the bottom of inertia disc is inertia disk control unit, and it includes system frame, and the system frame is consolidated
It is scheduled on base, one end of the system frame is provided with assembled hydraulic cylinder body, and the both ends of the assembled hydraulic cylinder body are respectively
Inertia loading hydraulic cylinder and inertia depart from hydraulic cylinder, and the output end of the assembled hydraulic cylinder body is liquid presses piston pole, the hydraulic pressure
Interval is provided with multiple catchers on piston rod, and each catcher is connected with inertia disc respectively.
Further improvement as above-mentioned technical proposal：
Catcher and inertia disc link bolt hole are provided with the catcher, one is provided with the outer circumference surface of the inertia disc and is used to
Valve snail keyhole is measured, multiple inertia disc fixed bolt holes are provided with the inertia disc；By bolt just both link together；Institute
The front end for stating catcher is provided with connecting plate, and the connecting plate is fixed by taking over system frame connecting bolt, the connecting plate
Top locked by connecting plate fixing bolt；Groove is also provided with the liquid presses piston pole, and by groove and is connect by bearing pin
Hand is connected pin shaft hole connection with piston rod；The end of the liquid presses piston pole is also equipped with piston rod bearing and piston rod stroke limit
Position.
Inertia loading oil pipe is respectively arranged with the assembled hydraulic cylinder body and inertia departs from oil pipe.
The other end of the inertia disc is additionally provided with mounting bracket, and infrared connect is fixed with by fastening screw on the mounting bracket
Nearly switch.
The beneficial effects of the utility model are as follows：
The utility model is compact-sized, reasonable, easy to operate, and low speed can be conveniently accomplished by the utility model device
The experiment of shaft brake efficiency test, there is provided inertia disk control unit can flexibly apply required inertia disc.Entirely
Work is flexible, and functional reliability is good, and operating efficiency is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the front view of the utility model inertia disk control unit.
Fig. 4 is Fig. 3 top view.
Fig. 5 is the side view of the utility model inertia disk control unit.
Wherein：1st, rotary encoder；2nd, variable frequency drive motors；3rd, first shaft coupling；4th, main shaft bearing；5th, principal shaft braking
Disk；6th, inertia disc；7th, system frame；8th, second shaft coupling；9th, back segment main shaft；10th, couple is braked；11st, more Nisc changing device；12、
Base；1201st, inertia loading hydraulic cylinder；1202nd, assembled hydraulic cylinder body；1203rd, inertia departs from hydraulic cylinder；1204th, inertia loads
Oil pipe；1205th, inertia departs from oil pipe；13rd, liquid presses piston pole；14th, leading portion main shaft；1401st, catcher is connected pin shaft hole with piston rod；
1402nd, catcher and inertia disc link bolt hole；1404th, take over；15th, piston rod bearing；16th, piston rod stroke is spacing；17th, take over
With system frame connecting bolt；18th, groove；19th, connecting plate；20th, connecting plate fixing bolt；21st, inertia disc bolt hole；22nd, it is used to
Measure disk fixing bolt；23rd, mounting bracket；24th, fastening screw；25th, infrared switch.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is illustrated.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the inertia disc control of the low speed shaft brake efficiency test platform of the present embodiment
Device processed, including base 12, multiple inertia discs 6 are provided with by drive device on base 12, the bottom of inertia disc 6 is inertia disc
Control device, it includes system frame 7, and system frame 7 is fixed on base 12, and one end of system frame 7 is provided with combination liquid
Cylinder pressure body 1202, the both ends of assembled hydraulic cylinder body 1202 are respectively that inertia loading hydraulic cylinder 1201 and inertia depart from hydraulic cylinder
1203, the output end of assembled hydraulic cylinder body 1202 is liquid presses piston pole 13, is spaced on liquid presses piston pole 13 and is provided with multiple catchers
1404, each catcher 1404 is connected with inertia disc 6 respectively.
Catcher and inertia disc link bolt hole 1402 are provided with catcher 1404, one is provided with the outer circumference surface of inertia disc 6
Inertia disc bolt hole 21, multiple inertia disc fixed bolt holes 22 are provided with inertia disc 6；By bolt just both be connected to one
Rise；The front end of catcher 1404 is provided with connecting plate 19, and connecting plate 19 is fixed by taking over system frame connecting bolt 17, is connected
Locked by connecting plate fixing bolt 20 at the top of plate 19；Groove 18 is also provided with liquid presses piston pole 13, and will be recessed by bearing pin
Groove 18 and catcher are connected pin shaft hole 1401 with piston rod and connected；The end of liquid presses piston pole 13 is also equipped with the He of piston rod bearing 15
Piston rod stroke spacing 16.
Inertia loading oil pipe 1204 is respectively arranged with assembled hydraulic cylinder body 1202 and inertia departs from oil pipe 1205.
The other end of inertia disc 6 is additionally provided with mounting bracket 23, and infrared connect is fixed with by fastening screw 24 on mounting bracket 23
Nearly switch 25.
As depicted in figs. 1 and 2, the utility model is applied on low speed shaft brake efficiency test platform, and its concrete structure is：
Including base 12, variable frequency drive motors 2, one end connection rotary encoder of variable frequency drive motors 2 are installed with base 12
1, the other end of variable frequency drive motors 2 is provided with leading portion main shaft 14 by first shaft coupling 3, and main shaft is provided with leading portion main shaft 14
Bearing 4, principal shaft braking disk 5 and multiple inertia discs 6, the termination of leading portion main shaft 14 are connected with back segment main shaft by second shaft coupling 8
9, back segment main shaft 9 three is equally provided with multiple inertia discs 6, and the afterbody of back segment main shaft 9 is provided with braking couple 10, brakes couple 10
Rear end is provided with more Nisc changing device 11；It is also equipped with controlling the connection of inertia disc 6 to fill with not connected inertia disc control on base 12
Put.
Concrete operation step is as follows：
The first step：During experiment, according to the braking moment size of tested brake, according to JB/T10917《Caliper disc is braked
Device》Calculate the total rotary inertia for needing to load；
Second step：Further according to parts rotary inertia, the rotary inertia of each inertia disc 6 in rotary shaft inertia, rotating shaft, it is determined that
Need the inertia disc 6 accessed；
3rd step：Start inertia disc hydraulic loaded and control system, it would be desirable to which the inertia disc 6 of access accesses rotating shaft, is not required to
The inertia disc 6 wanted departs from main shaft；
4th step：Tested brake is clamped into braking couple 10；
5th step：Start variable frequency drive motors 2, be tested brake jaw and open, when the speed of mainshaft reaches the braking of setting
After rotating speed, motor power-off, tested brake also powers off, and tested brake jaw steps up to brake couple 10, this testing stand
Rotary system slowly stops, and in the process, rotary encoder 1 gathers rotating speed in real time, and computer system calculates acceleration, leads to
Cross the data such as inertia and acceleration and calculate braking moment, brake force is calculated according to drag friction effective radius, for braking
Device efficiency test uses.
Wherein, four sets of loadings and control system are shared.Two sets of front sides for being located at inertia disc 6, after two sets are located at inertia disc 6
Side, front and rear symmetrical, symmetrical oil cylinder is synchronous, to ensure that inertia disc 6 moves horizontally synchronization.
When some inertia disc 6 needs not participate in spindle operation, it is necessary to when removing rotary shaft, now by turn disc to used
Measure disk 6 on inertia disc bolt hole 21 with take over it is corresponding with inertia disc link bolt hole 1402, be screwed into bolt and fix, make catcher and
Inertia disc 6 links together；Catcher, which is connected with piston rod in pin shaft hole 1401, inserts bearing pin, and it is recessed that pin shaft hole inserts piston rod simultaneously
In groove 18, catcher 1404 is set to be connected with piston rod.Catcher and system frame connecting bolt 17 are backed out, makes the detachment system of catcher 1404
Support 7, starting hydraulic station, the inertia to combined oil cylinder departs from the fuel feeding of hydraulic cylinder 1203, while symmetrical oil cylinder also synchronously loads,
Liquid presses piston pole 13 moves to off-direction.Catcher and system frame connecting bolt 17 are tightened, makes the connection system branch of catcher 1404
Frame 7, remove the bearing pin that catcher is connected with piston rod in pin shaft hole 1401 so that do not influence next piston rod movement, inertia disc 6 is divided
It is not fixed in symmetrical two catchers 1404 in system frame 7.Sensing infrared switch 25 is perceived less than corresponding inertia
Disk 6, the rotary inertia of the inertia disc 6 is no longer embodied in computer calculation procedure.The loading of remaining each inertia disc 6 is also identical
Operation.
Hydraulic loading system shares four sets, is divided into two groups.The diameter of inertia disc 6 it is big for one group, it is front and rear each a set of；Inertia disc
Small one group, front and rear each one of 6 diameters.The load cylinder of front and rear two sets of hydraulic systems in each group communicates, and departs from oil cylinder phase
It is logical, ensure that loading and disengaging action are synchronously carried out.
The pilot system mainly has rotating speed acquisition system i.e. rotary encoder 1, variable frequency drive motors 2；Principal shaft braking disk 5；
Inertia disc 6；System frame 7；Leading portion main shaft 14, back segment main shaft 9；Brake couple 10 and more Nisc changing device 11 forms.
Above description is to explanation of the present utility model, is not the restriction to utility model, what the utility model was limited
Scope within the scope of protection of the utility model, can make any type of modification referring to claim.
Claims (4)
- A kind of 1. inertia disk control unit of low speed shaft brake efficiency test platform, it is characterised in that：Including base (12), base (12) multiple inertia discs (6) are provided with by drive device on, the bottom of inertia disc (6) is inertia disk control unit, and it includes System frame (7), the system frame (7) are fixed on base (12), and one end of the system frame (7) is provided with combination liquid Cylinder pressure body (1202), the both ends of the assembled hydraulic cylinder body (1202) are respectively that inertia loading hydraulic cylinder (1201) and inertia depart from Hydraulic cylinder (1203), the output end of the assembled hydraulic cylinder body (1202) are liquid presses piston pole (13), the liquid presses piston pole (13) interval is provided with multiple catchers (1404) on, and each take over (1404) are connected with inertia disc (6) respectively.
- 2. the inertia disk control unit of low speed shaft brake efficiency test platform as claimed in claim 1, it is characterised in that：It is described Catcher and inertia disc link bolt hole (1402) are provided with catcher (1404), one is provided with the outer circumference surface of the inertia disc (6) Individual inertia disc bolt hole (21), multiple inertia disc fixed bolt holes (22) are provided with the inertia disc (6)；Pass through bolt firm two Person links together；The front end of the catcher (1404) is provided with connecting plate (19), and the connecting plate (19) is by taking over being Support connecting bolt (17) of uniting is fixed, and the top of the connecting plate (19) is locked by connecting plate fixing bolt (20)；The liquid Groove (18) is also provided with pressure piston rod (13), and groove (18) and catcher are connected by pin shaft hole with piston rod by bearing pin (1401) connect；The end of the liquid presses piston pole (13) is also equipped with piston rod bearing (15) and piston rod stroke is spacing (16)。
- 3. the inertia disk control unit of low speed shaft brake efficiency test platform as claimed in claim 1, it is characterised in that：It is described Inertia loading oil pipe (1204) is respectively arranged with assembled hydraulic cylinder body (1202) and inertia departs from oil pipe (1205).
- 4. the inertia disk control unit of low speed shaft brake efficiency test platform as claimed in claim 1, it is characterised in that：It is described The other end of inertia disc (6) is additionally provided with mounting bracket (23), is fixed with the mounting bracket (23) by fastening screw (24) red Outer proximity switch (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225944.8U CN206683844U (en) | 2017-03-09 | 2017-03-09 | The inertia disk control unit of low speed shaft brake efficiency test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225944.8U CN206683844U (en) | 2017-03-09 | 2017-03-09 | The inertia disk control unit of low speed shaft brake efficiency test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206683844U true CN206683844U (en) | 2017-11-28 |
Family
ID=60392265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720225944.8U Expired - Fee Related CN206683844U (en) | 2017-03-09 | 2017-03-09 | The inertia disk control unit of low speed shaft brake efficiency test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206683844U (en) |
-
2017
- 2017-03-09 CN CN201720225944.8U patent/CN206683844U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |