CN208621328U - Big momentum promotes release system - Google Patents
Big momentum promotes release system Download PDFInfo
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- CN208621328U CN208621328U CN201821220556.1U CN201821220556U CN208621328U CN 208621328 U CN208621328 U CN 208621328U CN 201821220556 U CN201821220556 U CN 201821220556U CN 208621328 U CN208621328 U CN 208621328U
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- reel
- release system
- load vehicle
- wirerope
- brake
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Abstract
The utility model discloses a kind of big momentums to promote release system comprising: driving unit, load vehicle, wirerope；Driving unit includes reel, power mechanism, spot-type disc brake；Power mechanism includes speed reducer, for by the connecting shaft of the output shaft of speed reducer and the input axis connection of reel；The one ends wound of wirerope is on reel；Wherein, the other end of wirerope is directly connected to be hoisted and release load vehicle；At least one electromagnetic clutch is set in the connecting shaft of power mechanism；The information collection element for being used to acquire load vehicle movement speed and location information in the rotary shaft of spot-type disc brake or the output shaft of reel.The system of the utility model, disorder cable phenomenon will not occur on reel for wirerope after release, reduce operation element amount, and braking moment of the spot-type disc brake in working condition can quantify to adjust, it realizes the accurate control to impact velocity and distance, and guarantees stopping power.
Description
Technical field
The utility model relates to field of mechanical technique, in particular to a kind of big momentum promotes release system.
Background technique
In the prior art, when carrying out collision experiment to the big load vehicle of weight, frequently with system as shown in Figure 1 along tiltedly
Slope 204 is promoted and release load vehicle comprising: driving unit 200, fixed pulley 206 and wirerope 201 with wirerope 201
The release device 207 of end connection, the load vehicle 202 being detachably connected with release device 207, the setting of 202 bottom of load vehicle are rolled
Wheel 203, wherein be used as driving unit using hoist engine, by rope hoisting load vehicle, and connection load vehicle and wirerope
Release device is lever release device.
Using above system, have following defects that
1, release device is set in load vehicle and wirerope junction, so that point of release is arranged on load vehicle, releases every time
After putting, artificial connection load vehicle is needed, since wirerope is after the weight for losing hauled load vehicle, is particularly easy in reel
Upper disorder cable, so that practical operation heavy workload.
2, due to expanding with heat and contract with cold, lubrication circumstances variation and wheel-rail friction randomness, on slope sustained height discharge load
Che Hou, in designated position, the speed randomness of collision is very strong, and consistency is poor, and the designated position Yao Shixian reaches command speed and needs instead
Release altitude is tested in retrial, time-consuming and laborious.
3, when adjusting buckles, need to adjust the weight T of load vehicle and the hoisting depth of load vehicle, workload increases.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provides a kind of big momentum promotion release system.
For the above-mentioned purpose for realizing the utility model, big momentum provided by the utility model promotes release system, is used for edge
Inclined shaft and release load vehicle comprising: driving unit, load vehicle, the wirerope for connecting driving unit with load vehicle；Institute
State the power mechanism that driving unit includes reel, driving reel rotation；The power mechanism includes speed reducer, is used for speed reducer
Output shaft and reel input axis connection connecting shaft；The one ends wound of the wirerope is on reel；Wherein, the reel
Output shaft installation for for rotate reel the spot-type disc brake of brake force is provided；The other end of the wirerope with wait mention
It rises and the load vehicle of release is directly connected to；At least one electromagnetic clutch is set in the connecting shaft of the power mechanism；It is described to subtract
The information collection member for acquiring load vehicle movement speed and location information on the output shaft of fast machine rotary shaft or the reel
Part.
Preferably, the electromagnetic clutch of the connecting shaft and a pair of series connects.
In particular, the pair of electromagnetic clutch is normally closed type electromagnetic clutch.
Further, the power mechanism further includes the motor connecting with the speed reducer, and is pacified on the output shaft of motor
Fill normally engaged brake.
Preferably, the information collection element is encoder.
Preferably, the spot-type disc brake is brake open in usual.
Further, further include be respectively communicated with multiple hydraulic oil ports of the spot-type disc brake for provide it is hydraulic
The hydraulic system of oil.
Wherein, the hydraulic system includes total oil feed line and is respectively connected with total oil feed line and multiple hydraulic oil ports logical
Multiple points of oil feed lines, provide hydraulic oil respectively to multiple hydraulic oil ports by multiple points of oil feed lines.
Preferably, the hydraulic system divide on oil feed line be provided with corresponding hydraulic oil port be connected for controlling
System divides the solenoid directional control valve of oil feed line on-off.
Further, the hydraulic system divide on oil feed line be additionally provided with connect with solenoid directional control valve for adjusting
Divide the proportional pressure-reducing valve of the charge oil pressure of oil feed line.
Compared with prior art, the big momentum of the utility model promotes release system and has the advantages that
1, the big momentum of the utility model promotes release system, after carrying out release test, is not required to reconnect wirerope
With load vehicle, and disorder cable phenomenon will not occur on reel for wirerope after discharging, reduction operation element amount.
2, the big momentum of the utility model promotes release system, braking moment of the spot-type disc brake in working condition
It can quantify to adjust, realize the accurate control to impact velocity and distance, reduce workload, and guarantee stopping power.
The utility model is described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the schematic diagram that the big momentum of the prior art promotes release system；
Fig. 2 is the schematic diagram that the big momentum of the utility model embodiment promotes release system；
Fig. 3 is the mechanical construction drawing of the utility model embodiment driving unit；
Fig. 4 is the top view of driving unit shown in Fig. 3；
Fig. 5 is the structure diagram of the utility model embodiment driving unit；
Fig. 6 is that the big momentum of the utility model embodiment promotes the control principle drawing of release system；
Fig. 7 is the hydraulic schematic diagram of the hydraulic system of the utility model embodiment.
Specific embodiment
As shown in Fig. 2, being the utility model embodiment for being promoted along the big momentum of inclined shaft and release load vehicle
The schematic diagram of release system, Fig. 3, Fig. 4 are the mechanical construction drawing of the present embodiment driving unit respectively, and Fig. 5 is the present embodiment driving
The structure diagram of unit, Fig. 6 are that the big momentum of the present embodiment promotes the control principle drawing of release system, and Fig. 7 is the present embodiment
The hydraulic schematic diagram of hydraulic system.
By Fig. 2-Fig. 5 it is found that the present embodiment big momentum promoted release system include: driving unit 200, load vehicle 202,
The wirerope 201 that driving unit 200 and load vehicle 202 are connected；Driving unit 200 includes reel 110, the driving rotation of reel 110
The power mechanism turned；Power mechanism includes speed reducer 104, for connecting the input shaft of the output shaft of speed reducer 104 and reel 110
The connecting shaft 106 connect；Wherein, installation is used to provide the caliper disc of brake force for the reel 110 of rotation on the output shaft of reel 110
Brake 117；The one ends wound of wirerope 201 is on reel 110, the other end of wirerope 201 and to be hoisted and release load
Lotus vehicle 202 is directly connected to；At least one electromagnetic clutch 105 is set in the connecting shaft 106 of power mechanism；Spot-type disc brake
The information collection for being used to acquire load vehicle 202 movement speed and location information in 117 rotary shaft or the output shaft of reel 110
Element.
Specifically, the load vehicle 202 of the present embodiment and the end (i.e. the other end) of wirerope 201 are directly connected to, pass through volume
The rotation of cylinder drives the winding of wirerope or releases winding, achievees the purpose that promotion or release load vehicle.With adopting for the prior art
With release device release load vehicle method compare, the present embodiment after carrying out release test, due to wirerope always with load
Vehicle connection, so being not required to reconnect wirerope and load vehicle, and due to the effect of load car weight power, so that steel wire after release
Disorder cable phenomenon will not occur on reel for rope, to greatly reduce operation element amount.Wherein, by load vehicle 202 and wirerope 201
Latch closure such as can be set in the connecting pin of load vehicle by the way of being fixedly connected when connection, the other end of wirerope is direct
Binding and fixing are on latch closure；Alternatively, wirerope can also directly be bound on the bottom beam of load vehicle.
Wherein, the fixed pulley 207 that 204 top of slope is arranged in of the prior art is transform as by the present embodiment can change steel
The angle pulley 205 in cord direction, so as to change promotion or the release way of load vehicle by angle pulley 205.
Wherein, as shown in Figure 3-Figure 5, the present embodiment drives reel rotation, the driving unit 200 by driving unit 200
Including power mechanism, power mechanism can be using such as flowering structure, comprising: the motor 101 being mounted on motor support base 116, the electricity
Machine 101 is the driving motor with frequency converter；The normally engaged brake 102 being mounted on the output shaft of motor 101；One end and electricity
The shaft coupling 103 that the output axis connection of machine 101, its other end are connect with speed reducer 104；The output shaft of speed reducer 104 and connection
Axis 106 connects, and 106 other end of connecting shaft is connect with the reel input shaft 108 of reel 110, and reel 110 is mounted on reel support
On 115；The spot-type disc brake 117 connecting with the reel output shaft 111 of reel 110 has brake disc 112 and caliper 113；
Be mounted on the rotary shaft of spot-type disc brake 117 or the output shaft of reel 110 for acquire 202 movement speed of load vehicle with
The information collection element of location information.
At least one electromagnetic clutch 105 is arranged in the present embodiment in connecting shaft 106, it is preferred that the present embodiment is connecting
An electromagnetic clutch 105 is respectively arranged in two connecting pins that axis 106 and speed reducer 104 and reel input shaft 108 are separately connected, and
Two electromagnetic clutch 105 are normally closed type electromagnetic clutch.System release during, two concatenated normally closed type electromagnetism from
Clutch 105 is powered simultaneously, greatly improves system reliability, open an electromagnetic clutch 105 can not, has nor affected on system
Releasing effect.
Wherein, the spot-type disc brake 117 of the present embodiment is brake open in usual, and spot-type disc brake is mounted on reel
On output shaft, structure and the prior art can refer to the mounting means of reel, details are not described herein.It, can when reel rotation
Braking moment is provided by spot-type disc brake, reel is made to stop rotating.Due to rotating and upgrading with big load by reel
Load vehicle, according to the prior art normally closed type drum brake is mounted on the transmission shaft between motor and speed reducer
Scheme can not provide big braking moment, and braking moment is unadjustable, can not accurately brake, and use the present embodiment in reel
The scheme of clipper disk brake open in usual is installed on output shaft, directly reel can be braked, and braking moment is big, is suitable for carrying greatly
The braking of lotus, and braking moment is adjustable, and the deceleration to reel and braking effect is greatly improved.Also, since caliper disc is braked
Device is mounted on power output end, and other elements such as reel, motor has both been made to break down, and can also be realized and be made by spot-type disc brake
Dynamic purpose, improves the security performance for promoting release big load.In addition, clipper disk brake open in usual can be with automatic compensation brake system
The abrasion of dynamic liner, compensation performance is reliable, is the automatic repairing of hydraulic system energy of its fuel feeding, improves functional reliability and use the longevity
Life.Wherein, the braking moment of caliper disc brake disc is calculated using following formula:
The braking moment of brake disc=brake force x brake disc radius (formula 1)
Brake force is calculated using following formula:
Brake force=hydraulic cylinder piston thrust x coefficient of friction (formula 2)
Piston thrust is calculated using following formula:
Piston thrust=piston area x hydraulic fluid pressure (formula 3)
Wherein, above (formula 1)-(formula 3) is existing formula, is no longer related to parameter to formula herein and is described in detail.
Hydraulic fluid pressure is the basic original for determining brake disc braking moment size it can be seen from (formula 1)-(formula 3)
Cause.
In order to realize the conveying of each hydraulic oil port from the spot-type disc brake to the course of work hydraulic fluid pressure
It adjusts with control, to realize accurate adjusting of the brake to mobile target braking force, the present embodiment uses information collection element
Acquire load vehicle 202 movement speed and location information, so as to by collected information with preset speed compared with stroke value
Compared with, and according to the braking moment of comparison result adjusting spot-type disc brake.Wherein, information collection element uses encoder 114, group
When dress, encoder can be mounted on to the shaft end of speed reducer rotary shaft, the shaft end of electric machine rotational axis can also be mounted on, preferably
, encoder 114 is mounted on the shaft end of reel output shaft by the present embodiment.
Encoder 114 can use rotary encoder, and such as photoelectric rotary coder can will be revolved by photoelectric conversion
The mechanical quantities such as angular displacement, the angular speed of shaft are converted into PLC of the corresponding electric pulse with digital output to control system and (such as scheme
Shown in 6), PLC determines the movement speed and stroke of load vehicle according to the information of acquisition, and according to determining movement speed and stroke
The hydraulic system being connected to multiple hydraulic oil ports with spot-type disc brake controls, so as to hydraulic system to each liquid
The charge oil pressure of press oil port is adjusted, and adjusts spot-type disc brake to the purpose of the brake force of braking target to realize.
As shown in fig. 6, the control system of the present embodiment include programmable logic controller (PLC) PLC and with PLC two-way communication
Human-computer interaction interface, wherein the control signal of PLC is connect with encoder, frequency converter, and the control output end of PLC with it is normally closed
The hydraulic system connection of brake, clipper disk brake.
Wherein, as shown in fig. 7, the hydraulic system of the present embodiment clipper disk brake include total oil feed line and with total fuel feed pump
Multiple hydraulic oil ports on road and spot-type disc brake are respectively connected with multiple points of logical oil feed lines, pass through multiple points of oil feed lines
Hydraulic oil is provided respectively to multiple hydraulic oil ports.
When design, spot-type disc brake can use multiple calipers 117, and each caliper 117 has a hydraulic oil
Mouthful, and the hydraulic oil port of each caliper is connected with a point of oil feed line of hydraulic system.Since spot-type disc brake has
There are multiple calipers, PLC can realize the big system to braking target by controlling one or more brakings in multiple calipers
Kinetic moment and braking by grades.Wherein, spot-type disc brake can use 2 or 4 or more calipers, the present embodiment only with
It using being illustrated hydraulic system for 4 calipers, but needs to illustrate, those skilled in the art can be according to promoting load vehicle
Load condition suitably increases caliper quantity, and hydraulic system according to the present embodiment is to the hydraulic of other quantity calipers
System is extended.
Wherein, as shown in fig. 7, the present embodiment is provided with and corresponding hydraulic oil port in dividing on oil feed line for hydraulic system
What is be connected is used to control the solenoid directional control valve 17 for dividing oil feed line on-off, and the output that is used for of solenoid directional control valve and PLC control electricity
The control output end of 17 action command of magnetic reversal valve connects.
Further, hydraulic system divide on oil feed line be additionally provided with connect with solenoid directional control valve 17 for adjust point
The control for being used to export PID regulating command of the proportional pressure-reducing valve 16 of the charge oil pressure of oil feed line, proportional pressure-reducing valve 16 and PLC
Output end connection.
And it is provided with the pressure for adjusting total oil feed line on total oil feed line of hydraulic system and makes the pressure set up
Constant electromagnetic relief valve 13, the oil pump 7 being connected with fuel tank and the motor 6 for driving oil pump 7 to work；Wherein, electromagnetism overflows
Stream valve 13 and motor 6 are respectively with the control output end for being used to export control electromagnetic relief valve action command of PLC and for exporting
Control the control output end connection of motor action instruction.Wherein, the present embodiment PLC passes through collection electric machine soft starting, soft stop, underloading
Energy conservation and multi-protective function are in the soft activator starting motor 6 of one.
In the following, being described in detail in conjunction with Fig. 7 hydraulic system used to the present embodiment: the fuel tank for storing hydraulic oil passes through
Four points of oil feed line fuel feeding that hydraulic oil port of two total oil feed lines on four calipers with brake is connected to, one
Total oil feed line is the straight-through pipeline that ball valve 14 is arranged on it, and a total oil feed line is the work that multiple element is arranged thereon
Pipeline.Wherein, the ball valve 14 of straight pipe road can use manual ball valve, can also use electrical ball valve, it is preferred that the ball valve
14 use manual ball valve, use when as system overhaul.Pipeline is led directly to as spare duct, that is, the ball valve 14 of straight pipe road
Often in the state for disconnecting straight-through pipeline, and working line is in normal operating condition.
Wherein, on working line, from fuel tank to be used for to the hydraulic oil port of each caliper conveying hydraulic oil liquid
Following components are disposed on four points of oil feed lines that cylinder pressure 19 is connected: being set respectively on the fuel tank of storage hydraulic oil
Fluid level indicator 1, air cleaner 2, electric contact thermometer 3, oil absorption filter 4 are set, pump 7 passes through shock-absorbing connection 5 and fuel tank
Oil outlet connection, pump 7 rotate under the driving of motor 6, and the oil outlet of pump 7 is connect with hose 8, to pump in 7 absorption fuel tanks
Hydraulic oil after by hose 8 to the hydraulic oil port of caliper pump.Wherein, check valve 9 is set on hose 8, in hose 8
It is arranged and the high-pressure mini hose 11 tapped with hose 8 is respectively set at two forward and backward positions of check valve 9, and at every
Pressure gauge 10 and pressure sensor 12 are set on high-pressure mini hose 11, passing through check valve 9 to detect the hydraulic oil in hose 8
Oil pressure at forward and backward position.In addition, also setting up electromagnetic relief valve 13 at the position before check valve 9 in hose 8.
Ball valve 14, check valve 15 are also set gradually on hose 8 after check valve 9, ball valve 14 can use manual ball valve,
Electrical ball valve can be used, it is preferred that the ball valve 14 uses manual ball valve.Hose 8 will pass through four through the hydraulic oil of check valve 15
Item divides oil feed line to feed to four hydraulic cylinders 19 respectively.
Wherein, every is divided on oil feed line the oil for being disposed with proportional pressure-reducing valve 16, detection after proportional pressure-reducing valve 16
The pressure sensor 12 of pressure, the solenoid directional control valve 17 being connected to the oil transportation mouth of proportional pressure-reducing valve 16, the oil transportation of solenoid directional control valve 17
Mouth is connected by hose 18 with the oil inlet of hydraulic cylinder 19.In addition, also setting up pressure gauge 20 on hose 18.
When spot-type disc brake brakes the reel in rotary course, PLC is according to the angular speed for acquiring reel rotation
Relevant information controls hydraulic system: exporting control instruction to electromagnetic relief valve, being adjusted always with will pass through electromagnetic relief valve
The charge oil pressure of oil feed line；PID regulating command is exported to one or more of four proportional pressure-reducing valves, will pass through ratio
Depressurize the charge oil pressure of each point of oil feed line of valve regulation；Control instruction is exported one or more of to four solenoid directional control valves,
Will pass through the on-off that solenoid directional control valve controls each point of oil feed line, that is, control the pressure of the hydraulic oil conveyed to corresponding hydraulic cylinder
Power.By above-mentioned control, so that the piston of each hydraulic cylinder is executed corresponding actions, adjust to corresponding caliper hydraulic oil port for oil pressure
Power makes brake generate corresponding brake force, to braking target retarding braking, until braking target is stopped with command speed and distance
Only move.
The PLC of the present embodiment detects the collected speed signal of encoder and position signal, according to testing result
The motor 6 of hydraulic system, electromagnetic relief valve 13, solenoid directional control valve 17 and proportional pressure-reducing valve 16 are controlled, adjusted by PID
Proportional pressure-reducing valve 16 realizes the real-time control that hydraulic oil is conveyed in pipeline, to accurately control the deceleration of spot-type disc brake
Journey can accomplish accurately to control to braking deceleration, braking time (time of brake operation is braking time), braking distance etc.
System, that is, by controlling the size of braking moment, determine the size and braking distance of braking deceleration.
Due to the present embodiment PLC can proportional pressure-reducing valve 16 to the hydraulic oil port fuel feeding for each caliper respectively into
Row is adjusted, therefore the intelligent control to spot-type disc brake may be implemented, so that four calipers can with independent brake or simultaneously
Braking realizes that the real-time adjusting to brake controls, can be realized big braking moment or braking by grades, keep the effect of braking more
Sample, more controllably.In addition, adjusting the charge oil pressure to four calipers respectively by four proportional pressure-reducing valves, may be implemented to system
Compensation after dynamic device heat fading, it is ensured that the stopping power of brake.
Wherein, the present embodiment PLC acts motor 6, electromagnetic relief valve 13, solenoid directional control valve 17 and proportional pressure-reducing valve 16 etc.
The circuit controlled can use the circuit of the prior art.
In the following, the process for promoted release using the present embodiment promotion release system is described.
S01, make wirerope-winding on reel by the rotation of reel, drive the load vehicle that is connect with wirerope start to
Upper promotion.The promotion speed of load vehicle is examined with range of lift by the encoder of reel shaft end or brake disc rotary shaft shaft end
It surveys.After load vehicle is promoted to certain height H, PLC is powered off to latching detents, then spot-type disc brake closure makes to drive
Motor power-off.Load vehicle has been promoted in place at this time, and keeps not gliding on slope.
S02, after acquisition is released order, PLC give electromagnetic clutch be powered, to discharge load vehicle, load vehicle is in gravity
Under the action of accelerate to glide along slope, reel rotated under the drive of load vehicle, the speed of the detectable release of encoder and
Distance.
S03, load vehicle release during, by encoder detect load vehicle rate of release, as speed is more than
Preset impact velocity starts spot-type disc brake by PLC and slows down, guarantees accurately to control in the speed of impact position
The purpose of system.
It is S04, wholly off (bottom end that load vehicle stops at slope shown in Fig. 2) to load vehicle and reel, illustrate impact examination
It tests and finishes, be attracted electromagnetic clutch power-off, it can be by load vehicle lifting test again by step S01.During test of many times,
There are brake force to decline situation after spot-type disc brake heating, is carried out by charge oil pressure of the PLC to each hydraulic oil port of caliper
Adjustment provides caliper thrust hydraulic cylinder, guarantees brake force and slowing effect.
The present embodiment is according to tribology principle, after spot-type disc brake continuous work, with brake disc surface frictional heat generation,
Temperature increases, and when friction material contacts friction with friction plate, coefficient of friction can be reduced as temperature increases.System is to caliper disc
The hydraulic system of brake is controlled, and by adjusting hydraulic fluid pressure, is realized that frictional force does not reduce, is guaranteed slowing effect, phase
When in realizing quantitative compensation.In addition, under same release altitude, same load, it can be by adjusting hydraulic system to pincers disk
The charge oil pressure of formula brake reaches different buckles adjustment, compares conducive to all kinds of buckles are carried out.
In conclusion compared with prior art, the big momentum of the utility model promotes release system and has the advantages that
1, the big momentum of the utility model promotes release system, after carrying out release test, is not required to reconnect wirerope
With load vehicle, and disorder cable phenomenon will not occur on reel for wirerope after discharging, reduction operation element amount.
2, the big momentum of the utility model promotes release system, braking moment of the spot-type disc brake in working condition
It can quantify to adjust, realize the accurate control to impact velocity and distance, reduce workload, and guarantee stopping power.
Although being explained in detail above to the utility model, the utility model is without being limited thereto, the skill of the art
Art personnel can be modified with principle according to the present utility model, therefore, all according to the various of the principles of the present invention progress
Modification all should be understood as falling into the protection scope of the utility model.
Claims (10)
1. a kind of big momentum promotes release system, comprising:
Driving unit, load vehicle, the wirerope for connecting driving unit with load vehicle；
The driving unit includes the power mechanism of reel, driving reel rotation；
The power mechanism includes speed reducer, for by the connecting shaft of the output shaft of speed reducer and the input axis connection of reel；
The one ends wound of the wirerope is on reel；
It is characterized by:
The output shaft installation of the reel is for providing the spot-type disc brake of brake force for the reel of rotation；
The other end of the wirerope is directly connected to be hoisted and release load vehicle；
At least one electromagnetic clutch is set in the connecting shaft of the power mechanism；
On the output shaft of the speed reducer rotary shaft or the reel for acquiring load vehicle movement speed and location information
Information collection element.
2. big momentum according to claim 1 promotes release system, which is characterized in that the connecting shaft and a pair of series
Electromagnetic clutch connection.
3. big momentum according to claim 2 promotes release system, which is characterized in that the pair of electromagnetic clutch is normal
Enclosed electromagnetic clutch.
4. big momentum according to claim 1 promotes release system, which is characterized in that the power mechanism further includes and institute
The motor of speed reducer connection is stated, and normally engaged brake is installed on the output shaft of motor.
5. big momentum according to claim 1 promotes release system, which is characterized in that the information collection element is coding
Device.
6. big momentum according to claim 1 promotes release system, which is characterized in that the spot-type disc brake is normally opened
Formula brake.
7. big momentum according to claim 1-6 promotes release system, which is characterized in that further include and the pincers
What multiple hydraulic oil ports of disk brake were respectively communicated with is used to provide the hydraulic system of hydraulic oil.
8. big momentum according to claim 7 promotes release system, which is characterized in that the hydraulic system includes total fuel feeding
Pipeline and multiple points of logical oil feed lines are respectively connected with total oil feed line and multiple hydraulic oil ports, pass through multiple points of oil feed lines
Hydraulic oil is provided respectively to multiple hydraulic oil ports.
9. big momentum according to claim 8 promotes release system, which is characterized in that the hydraulic system divides fuel feed pump
Road is provided with to be used to control the solenoid directional control valve for dividing oil feed line on-off with what corresponding hydraulic oil port was connected.
10. big momentum according to claim 9 promotes release system, which is characterized in that the hydraulic system divides fuel feeding
The proportional pressure-reducing valve for being used to adjust the charge oil pressure for dividing oil feed line connecting with solenoid directional control valve is additionally provided on pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821220556.1U CN208621328U (en) | 2018-07-31 | 2018-07-31 | Big momentum promotes release system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821220556.1U CN208621328U (en) | 2018-07-31 | 2018-07-31 | Big momentum promotes release system |
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| CN208621328U true CN208621328U (en) | 2019-03-19 |
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| CN201821220556.1U Expired - Fee Related CN208621328U (en) | 2018-07-31 | 2018-07-31 | Big momentum promotes release system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111859547A (en) * | 2020-07-28 | 2020-10-30 | 长沙理工大学 | Design calculation method of trolley safety protection system for collision test |
| CN113581242A (en) * | 2021-09-03 | 2021-11-02 | 上海外高桥造船有限公司 | Micro-motion device, wheel-rail travelling mechanism and micro-motion control method |
| CN114136336A (en) * | 2021-11-05 | 2022-03-04 | 江西洪都航空工业股份有限公司 | Acceleration and rocket sled testing device and method |
-
2018
- 2018-07-31 CN CN201821220556.1U patent/CN208621328U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111859547A (en) * | 2020-07-28 | 2020-10-30 | 长沙理工大学 | Design calculation method of trolley safety protection system for collision test |
| CN113581242A (en) * | 2021-09-03 | 2021-11-02 | 上海外高桥造船有限公司 | Micro-motion device, wheel-rail travelling mechanism and micro-motion control method |
| CN114136336A (en) * | 2021-11-05 | 2022-03-04 | 江西洪都航空工业股份有限公司 | Acceleration and rocket sled testing device and method |
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