CN207946302U - Goods train vehicle hand brake slide fastener pull test device - Google Patents
Goods train vehicle hand brake slide fastener pull test device Download PDFInfo
- Publication number
- CN207946302U CN207946302U CN201820231690.5U CN201820231690U CN207946302U CN 207946302 U CN207946302 U CN 207946302U CN 201820231690 U CN201820231690 U CN 201820231690U CN 207946302 U CN207946302 U CN 207946302U
- Authority
- CN
- China
- Prior art keywords
- slide fastener
- intermediate relay
- relay
- hand brake
- pulling force
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model is related to brake slide fastener testing equipments, specially goods train vehicle hand brake slide fastener pull test device, including puller system, automatic control system and hydraulic pressure of pipe line control system, wherein puller system includes rack, rack is equipped with hydraulic station and control cabinet, there is power button SAZ1 on control cabinet, test start button SBQ and experiment stop button SBT, automatic control system connection line in control cabinet, rack topsheet surface is equipped with mounting base and oil cylinder, automatic control system includes pulling force sensor, recording instrument without paper and time relay KT1, hydraulic pressure of pipe line control system includes solenoid valve, pulling force sensor is connected in mounting base, pulling force sensor is connected with recording instrument without paper.Goods train vehicle hand brake slide fastener pull test device solves the problems, such as that hand brake slide fastener can not be tested after maintenance, hand brake slide fastener repair quality is made to be guaranteed, reduce traffic safety risk, the pull test of the various bars of vehicle, chain can be met.
Description
Technical field
The utility model is related to brake slide fastener testing equipment, specially goods train vehicle hand brake slide fastener pulling force tries
Test device.
Background technology
Goods train vehicle carries out factory, section needs to carry out inspection maintenance to car hand motivation slide fastener during repairing, by
Abrasion and damage are will produce in vehicle operation, it is therefore desirable to be carried out to it plus repair and make, and added and repair in hand brake slide fastener
It can not be verified with the tension intensity of the slide fastener after making, especially hand brake slide fastener, it is whole as long as there are one chain links to damage
Chain is required for replacing, and makes troubles to car inspection and repair work and economic loss, while bringing great safety to traffic safety
Hidden danger.
Railway freight-car manual braking's machine is commonly referred to as hand brake, mainly there is NSW types hand brake, FSW types hand brake, foot
It is several to step on formula brake, chain type hand brake, detent roller formula hand brake etc., at this stage mostly NSW types hand brake.NSW type hands
Brake by box shell, pedestal, handwheel, function handle, driving shaft, chain -rolling axis, ratchet, gear wheel, pinion gear, clutch, chain,
The compositions such as locking mechanism.NSW type hand brakes have the function of that braking, alleviation, force adjustment is braked and locking, big with brake force,
The features such as compact-sized, light-weight.Hand brake overhauls slide fastener requirement：The various manual braking's machine of visual examination, when part rhegma
It replaces, dress is mended when loss.When FSW types, NSW types, the effect of foot-operated brake are bad, maintenance is unloaded.Hand brake mast abrasion are more than 2
Repair welding post-processing when mm.The abrasion of NSW type brake brake chains are more than 3 mm, other brake axle chains and the abrasion of each slide fastener chain ring diameter
It is replaced when more than 2 mm, when chain link crackle wants welding repair welding, postwelding to carry out pull test and slide fastener chain ring diameter inspection.Repair welding
Brake axle chain, brake bar chain afterwards will also carry out pull test respectively, and hand brake mast chain pulling force is 14.7 kN, and pull rod chain is drawn
Power is 26.47 kN, must not rhegma or generation permanent deformation.
Invention content
The utility model provides goods train vehicle hand brake slide fastener pull test device, is applied to hand brake and overhauls
Operation field can be realized by the present apparatus and carry out pulling force in 2 meters of tie rods below, slide fastener to the various length of Jia Xiu and making
Personal safety when experiment while guarantee test.By the use of the present apparatus, meet various tie rods, slide fastener plus repair quality, reach
To the purpose for saving the cost that repairs.
The utility model adopts the following technical scheme that realization：Goods train vehicle hand brake slide fastener pull test
Device, including puller system, automatic control system and hydraulic pressure of pipe line control system, wherein puller system include rack, are set in rack
There are hydraulic station and control cabinet, there is power button SAZ1, experiment start button SBQ and experiment stop button SBT, rack top on control cabinet
Layer surface is equipped with mounting base and oil cylinder, and automatic control system includes pulling force sensor, recording instrument without paper and the time relay
KT1, hydraulic pressure of pipe line control system include solenoid valve, and pulling force sensor is connected in mounting base, and pulling force sensor is put big before menstruation
Device, active filter are connected with recording instrument without paper, and the oil pump in hydraulic station passes through solenoid valve control oil cylinder, power button SAZ1 and nothing
It is connected between firewire and zero curve after paper recorder power supply B1 concatenations, experiment start button SBQ, experiment stop button SBT, time
It is connected between power button SAZ1 and zero curve after the normally-closed contact of relay KT1 and the coil tandem of intermediate relay KA1, it is intermediate
The first normally opened contact and experiment start button SBQ of relay KA1 is in parallel, and the second normally opened contact of intermediate relay KA1 stretches
It is connected to power button SAZ1 and zero after the normally-closed contact of the high intermediate relay KA3 of pressure and the stretch coil YV1 concatenations of solenoid valve
Between line, the normally opened contact KAB1's and the high intermediate relay KA3 of stretching pressure of the high limit relay of alarm in recording instrument without paper
Be connected to after coil tandem between power button SAZ1 and zero curve, stretch pressure high intermediate relay KA3 normally opened contact, it is intermediate after
Be connected to after the third normally opened contact of electric appliance KA1 and the coil tandem of timing intermediate relay KA4 power button SAZ1 and zero curve it
Between, the normally opened contact of timing intermediate relay KA4 and the normally opened contact for stretching the high intermediate relay KA3 of pressure are in parallel, the time after
The coils from parallel connection of coils of the coil and timing intermediate relay KA4 of electric appliance KT1, alarm lower bound relay in recording instrument without paper it is normally opened
It is connected between power button SAZ1 and zero curve after the coil tandem of contact KAB2 and the low intermediate relay KA5 of stretching pressure, the time
It the normally opened contact of relay KT1, experiment stop button SBT, the normally-closed contact that stretches the low intermediate relay KA5 of pressure and is pushed forward
Between relay KA2 coil tandem after be connected between power button SAZ1 and zero curve, be pushed forward the normally opened contact of intermediate relay KA2
In parallel with the normally opened contact of time relay KT1, solenoid valve is pushed forward coil YV2 and is pushed forward the coil of intermediate relay KA2 simultaneously
Connection.
The experiment process of the exerciser is：Staff will need the slide fastener tested be mounted on oil cylinder and pulling force sensor it
Between, starting oil pump in hydraulic stations makes pull test device be in standby, and rotation power button SAZ1 opens recording instrument without paper, utilizes nothing
Entrance on paper recorder, exit and up and down key to the alarming value to the high limit relay of alarm, lower bound relay of alarming into
Row setting clicks experiment start button SBQ, intermediate relay KA1 and the stretching of solenoid valve of stretching is controlled on hydraulic station pipeline
Coil YV1 obtains electric, and oil cylinder starts to stretch, and chain is gradually tightened, and pulling force effect is sent into pulling force sensor, sensor voltage signal
Preamplifier amplifies, and amplified signal is that standard analog signal is sent into recording instrument without paper, no paper note through active power filtering amplification pick-up
Record instrument receives pulling force analog signal and carries out judging that processing conversion calculates accordingly to it, provide corresponding metric results carry out it is real
When number show（Unit is thousand Ns）, when value of thrust is more than recording instrument without paper alarm high limit relay ceiling value, high limit of alarming
The normally opened contact of relay KAB1 is closed, and is stretched the high intermediate relay KA3 coils of pressure and is obtained electric, the stretching high intermediate relay of pressure
The normally-closed contact of KA3 disconnects, the stretch coil YV1 dead electricity of solenoid valve, and the coil of time relay KT1 obtains electric, and delay timing is opened
Begin, if pulling force is less than the difference of high limit and potential difference during delay, the normally opened contact for the high limit relay KAB1 that alarms disconnects, electricity
The stretch coil YV1 of magnet valve obtains electric, oil cylinder supplement pulling force, when value of thrust is more than the high limit relay ceiling value of recording instrument without paper alarm
When, the stretch coil YV1 dead electricity oil cylinders of solenoid valve stop pulling force, repeatedly, until delay time terminates；Delay time（It protects
Press the time）Then, the coil YV2 that is pushed forward of solenoid valve obtains electric, and chain gradually loosens, when value of thrust be less than recording instrument without paper alarm it is low
When limiting relay lower limit value, the normally opened contact KAB2 for lower bound relay of alarming is closed, and solenoid valve is pushed forward coil YV2 dead electricity, stops
Only hydraulic pump, equipment are in standby, and remove slide fastener, check that whether there are cracks for slide fastener, off-test.
Above-mentioned goods train vehicle hand brake slide fastener pull test device, further includes slide fastener tightening device, slide fastener tightens
Device includes thread bush, right-hand thread connecting screw and left-hand thread connecting screw, and one end is right-handed thread in thread bush, and one end is left-hand thread spiral shell
Line, right-hand thread connecting screw are connected with pulling force sensor with mounting base respectively with left-hand thread connecting screw.First slide fastener is tightened when use
Device tune pine is to proper states, after installation connects the slide fastener of experiment, then slide fastener tightening device is tightened.
Above-mentioned goods train vehicle hand brake slide fastener pull test device installs rotation hand handle on thread bush additional, facilitates drawing
Chain tightening device tightens.
Above-mentioned goods train vehicle hand brake slide fastener pull test device, further includes pulling force buffer device, pulling force buffer
Device includes spring case, compressed spring, end cap, stretch rod, chain connector and sensor connecting rod, one end of stretch rod
Extend into spring case, and the end end of stretch rod be equipped with spring-compressed cap, compressed spring be located at stretch rod be located at bullet
On the body of rod of spring box, the other end of stretch rod extend into chain connector and fixes, and sensor connecting rod and spring case are fixed
Connection.Pulling force buffer device can prevent pulling force from rising in pull test, and too quickly, value of thrust is not easy to control.
Above-mentioned goods train vehicle hand brake slide fastener pull test device, rack topsheet surface install protective cover.
Above-mentioned goods train vehicle hand brake slide fastener pull test device, automatic control system further include being arranged in rack
The stretching limit switch S1 and return limit switch S2 of top layer, stretch the draw line of the normally-closed contact and solenoid valve of limit switch S1
YV1 concatenations are enclosed, the normally-closed contact of limit switch S2 is returned and are pushed forward the coil tandem of intermediate relay KA2.Work as cylinder piston rod
After touching limit switch, contact disconnects, and prevents piston rod from further acting, limit switch can protect machine.
The maintenance of hand brake slide fastener is in no pull test, as long as there are one chain links to damage for hand brake slide fastener,
Whole chain is required for replacing, therefore can only purchase new product from vehicle accessory manufacturer, is brought greatly to car inspection and repair work
Inconvenient and economic loss.Goods train vehicle hand brake slide fastener pull test device is succeeded in developing so that service personnel is to hand-made
It is tested after the processing maintenance of motivation slide fastener, rolling stock section can be saved and invested in terms of buying accessory, while being met to overhauling post-tensioning
Chain is tested, and solves the problems, such as that a slide fastener can not all use caused by a ring in a slide fastener.2,000,000 are saved year to repair
Vehicle cost also ensures car inspection and repair quality.
Goods train vehicle hand brake slide fastener pull test device solves hand brake slide fastener can not test after maintenance
Problem, so that hand brake slide fastener repair quality is guaranteed, reduce traffic safety risk, it is various vehicle can be met
The pull test of bar, chain.Brake slide fastener experiment blank problem has been filled up, working efficiency has been improved, reduces labor intensity, guarantor
Body safety, improves the repair quality of hand brake, provides strong guarantee safely for vehicle driving, there is higher application to push away
Wide value.
Description of the drawings
Fig. 1 is hydraulic control system fundamental diagram.
Fig. 2 is automatic control system schematic diagram.
Fig. 3 is the structure principle chart of slide fastener pull test device.
Fig. 4 is the vertical view of slide fastener pull test device.
Fig. 5 is the side view of slide fastener pull test device.
Fig. 6 is the structural schematic diagram of slide fastener tightening device.
Fig. 7 is the structural schematic diagram of pulling force buffer device.
In figure：1- racks, 2- hydraulic stations, 3- control cabinets, 4- mounting bases, 5- oil cylinders, 6- protective covers, 7- solenoid valves, 8- oil
Pump, 9- right-hand thread connecting screws, 10- left-hand thread connecting screws, 11- rotate hand handle, 12- spring cases, 13- compressed springs, 14- spring cases
Lid, 15- stretch rods, 16- chain connectors, 17- sensor connecting rods, 18- spring-compressed caps, 19- thread bush, 20- slide fastener tune
Tight device, 21- pulling force buffer devices, 22- pulling force sensors.
Specific implementation mode
Hand brake slide fastener pull test device is according to other systems of goods train vehicle hand brake slide fastener, pull rod and vehicle
The length of dynamic pull rod, test requirements document are designed, equipment mainly by puller system, slide fastener tightening device, pulling force buffer device,
Automatic control system, hydraulic pressure of pipe line control system composition.
Puller system includes rack 1, and rack 1 is equipped with hydraulic station 2 and control cabinet 3, and rack topsheet surface is equipped with installation
Seat 4 and oil cylinder 5, rack topsheet surface are equipped with mounting base mounting hole, and mounting base 4 can be fixed in different mounting base mounting holes,
It can be tested for the length of different slide fasteners, pull rod and vehicle other brake bars, oil cylinder piston boom end is fixed with slide fastener
Connector has power button SAZ1, experiment start button SBQ and experiment stop button SBT on control cabinet 3, has in control cabinet 3 automatic
Control system connection line.
Slide fastener tightening device in order to reduce cylinder piston rod stroke, the compression test time and design, in thread bush 19
Middle part installs additional when rotation hand handle 11 facilitates adjusting and rotates, and one end of slide fastener tightening device is connect with pulling force sensor, and another
One end is connected in mounting base 4, and first by slide fastener tightening device tune pine to proper states when use, installation connects the slide fastener of experiment
Afterwards, then by slide fastener tightening device it tightens.Slide fastener tightening device includes right-hand thread connecting screw 9, left-hand thread connecting screw 10, thread bush 19
（One end is right-handed thread, and one end is left-hand thread screw thread）, rotation hand handle 11, the end of left-hand thread connecting screw 10 is equipped with connector, just
The end for detaining connecting screw 9 connects pulling force sensor connecting screw, as shown in Figure 6.
Pulling force buffer device prevents pulling force from rising in pull test, and too quickly, value of thrust is not easy to control and designs and produces, drawing
Power buffer unit is mainly connected by spring case 12, compressed spring 13, end cap 14, stretch rod 15, chain connector 16, sensor
Extension bar 17 form, with this come achieve the purpose that alleviate pulling force rise it is too quickly, as shown in Figure 7.
During the test, prevent slide fastener be broken suddenly hurt sb.'s feelings with it is easy to use, rack top edge install 4 strands of protective covers
Sliding rail, and 4 protective covers are designed to " n " type, it is separately mounted to become tower state on track, convenient for examination
It tests the installation connection of accessory and wins, while facilitating the security protection during experiment experiment.
In automatic control system, in order to which worker is easy to operate and data query, pulling force sensor, paperless tests are utilized
The function and principle of instrument and the time relay etc. realize the setting of pulling force, detection, display, record, data preserve, system control etc.
Function completes pull test.Automatic control system includes pulling force sensor, recording instrument without paper, the time relay, relay, limit
Bit switch.
Hydraulic pressure of pipe line control system realizes pull test, hydraulic pressure using the operation principle of solenoid valve come the hydraulic pressure of control piper
Hydralic pressure gauge, style one-way flow valve are additionally provided in pipeline.
When experiment, staff opens protective cover, the slide fastener connecting rod tested and U-typed card will be needed to be mounted on oil cylinder
Slide fastener connector and pulling force buffer device connector on, rotation tension device hand handle make slide fastener be in tense stress,
Starting oil pump in hydraulic stations makes pull test device be in standby, and rotation power button SAZ1 opens recording instrument without paper, utilizes no paper
Entrance on recorder is exited and key returns to initial boundary after the completion to being configured to ceiling value and lower limit value up and down
Face；The time that the time relay is adjusted to need to be delayed, experiment start button SBQ is pressed, exerciser carries out pull test.
Claims (6)
1. goods train vehicle hand brake slide fastener pull test device, it is characterised in that including puller system, automatic control system
With hydraulic pressure of pipe line control system, wherein puller system includes rack（1）, rack is equipped with hydraulic station（2）And control cabinet（3）, control
Case processed（3）On have power button SAZ1, experiment start button SBQ and experiment stop button SBT, rack topsheet surface is equipped with installation
Seat（4）And oil cylinder（5）, automatic control system includes pulling force sensor, recording instrument without paper and time relay KT1, hydraulic pressure of pipe line
Control system includes solenoid valve（7）, pulling force sensor is connected to mounting base（4）On, pulling force sensor is through preamplifier, active
Filter is connected with recording instrument without paper, the oil pump in hydraulic station（8）Remember by solenoid valve control oil cylinder, power button SAZ1 and without paper
It is connected between firewire and zero curve after record instrument power supply B1 concatenations, experiment start button SBQ, experiment stop button SBT, time relay
It is connected between power button SAZ1 and zero curve after the normally-closed contact of device KT1 and the coil tandem of intermediate relay KA1, intermediate relay
The first normally opened contact and experiment start button SBQ of device KA1 is in parallel, and the second normally opened contact of intermediate relay KA1 stretches pressure
Be connected to after the stretch coil YV1 concatenations of the normally-closed contact of high intermediate relay KA3 and solenoid valve power button SAZ1 and zero curve it
Between, the normally opened contact KAB1 of the high limit relay of alarm in recording instrument without paper and the coil for stretching the high intermediate relay KA3 of pressure
It is connected to after concatenation between power button SAZ1 and zero curve, stretches normally opened contact, the intermediate relay of the high intermediate relay KA3 of pressure
It is connected between power button SAZ1 and zero curve, counts after the third normally opened contact of KA1 and the coil tandem of timing intermediate relay KA4
When intermediate relay KA4 normally opened contact and stretch the high intermediate relay KA3 of pressure normally opened contact it is in parallel, the time relay
The coils from parallel connection of coils of the coil and timing intermediate relay KA4 of KT1, the normally opened contact of the alarm lower bound relay in recording instrument without paper
It is connected between power button SAZ1 and zero curve after the coil tandem of KAB2 and the low intermediate relay KA5 of stretching pressure, time relay
The normally opened contact of device KT1, experiment stop button SBT, the normally-closed contact for stretching the low intermediate relay KA5 of pressure and be pushed forward it is intermediate after
Be connected to after the coil tandem of electric appliance KA2 between power button SAZ1 and zero curve, be pushed forward intermediate relay KA2 normally opened contact and when
Between relay KT1 normally opened contact it is in parallel, solenoid valve is pushed forward coil YV2 and is pushed forward the coils from parallel connection of coils of intermediate relay KA2.
2. goods train vehicle hand brake slide fastener pull test device according to claim 1, it is characterised in that further include
Slide fastener tightening device, slide fastener tightening device include thread bush（19）, right-hand thread connecting screw（9）With left-hand thread connecting screw（10）, spiral shell
Line set（19）Interior one end is right-handed thread, and one end is left-hand thread screw thread, right-hand thread connecting screw（9）With left-hand thread connecting screw（10）Respectively
With pulling force sensor and mounting base（4）Connection.
3. goods train vehicle hand brake slide fastener pull test device according to claim 2, it is characterised in that thread bush
Upper installation rotates hand handle（11）.
4. goods train vehicle hand brake slide fastener pull test device according to claim 1 or 2 or 3, it is characterised in that
Further include pulling force buffer device, pulling force buffer device includes spring case（12）, compressed spring（13）, end cap（14）, stretch
Bar（15）, chain connector（16）With sensor connecting rod（17）, stretch rod（15）One end extend into spring case（12）It is interior, and
It is equipped with spring-compressed cap in the end end of stretch rod（18）, compressed spring（13）Be located at stretch rod is located at spring case（12）'s
On the body of rod, stretch rod（15）The other end extend into chain connector（16）It is interior and fixed, sensor connecting rod（17）And spring
Box（12）It is fixedly connected.
5. goods train vehicle hand brake slide fastener pull test device according to claim 1 or 2, it is characterised in that rack
Topsheet surface installs protective cover（6）.
6. goods train vehicle hand brake slide fastener pull test device according to claim 1 or 2, it is characterised in that automatic
Control system further includes the stretching limit switch S1 and return limit switch S2 being arranged in rack top layer, stretches limit switch S1's
The stretch coil YV1 concatenations of normally-closed contact and solenoid valve, return to the normally-closed contact of limit switch S2 and are pushed forward intermediate relay KA2
Coil tandem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820231690.5U CN207946302U (en) | 2018-02-09 | 2018-02-09 | Goods train vehicle hand brake slide fastener pull test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820231690.5U CN207946302U (en) | 2018-02-09 | 2018-02-09 | Goods train vehicle hand brake slide fastener pull test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207946302U true CN207946302U (en) | 2018-10-09 |
Family
ID=63699565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820231690.5U Withdrawn - After Issue CN207946302U (en) | 2018-02-09 | 2018-02-09 | Goods train vehicle hand brake slide fastener pull test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207946302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120641A (en) * | 2018-02-09 | 2018-06-05 | 大秦铁路股份有限公司湖东车辆段 | A kind of goods train vehicle hand brake slide fastener pull test device |
-
2018
- 2018-02-09 CN CN201820231690.5U patent/CN207946302U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120641A (en) * | 2018-02-09 | 2018-06-05 | 大秦铁路股份有限公司湖东车辆段 | A kind of goods train vehicle hand brake slide fastener pull test device |
| CN108120641B (en) * | 2018-02-09 | 2023-05-02 | 大秦铁路股份有限公司湖东车辆段 | Slide fastener tension tester for railway wagon hand brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181009 Effective date of abandoning: 20230502 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181009 Effective date of abandoning: 20230502 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |