CN207375639U - A kind of mill stand control system of trackless deformation gantry crane - Google Patents
A kind of mill stand control system of trackless deformation gantry crane Download PDFInfo
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- CN207375639U CN207375639U CN201721149778.4U CN201721149778U CN207375639U CN 207375639 U CN207375639 U CN 207375639U CN 201721149778 U CN201721149778 U CN 201721149778U CN 207375639 U CN207375639 U CN 207375639U
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Abstract
The utility model discloses a kind of mill stand control system of trackless deformation gantry crane, including a, hydraulic control portion, hydraulic control portion includes hydraulic power unit, two four-way electromagnetic reversing valves, throttling stop valve, four cylinder synchronous valves, left side cylinder synchronous valve, right side cylinder synchronous valve, four overlapping twos, four horizontal three-position four-way electromagnetic directional valves, four vertical three-position four-way electromagnetic directional valves；B, electrical control division, the Self-resetting selecting switch comprising hydraulic power unit control loop, for operating rack after each Self-resetting selecting switch distinguishes series relay, then are connected in parallel in control voltage circuit；After the series connection corresponding with the electromagnet of each solenoid directional control valve in hydraulic control portion of the normally opened contact of each relay, then it is connected in parallel in control voltage circuit；Electrical control division coordinated corresponding with hydraulic control portion makes the hydraulic cylinder of control expansion bracket and supporting rod stretch out or retract according to construction needs, so as to meet the various adjustment demands to rack.
Description
Technical field
The utility model is related to track laying equipment technical fields, are specifically a kind of rack of trackless deformation gantry crane
Control system.
Background technology
In recent years, China progressively became the most country of railway operating kilometrage in the world, to ensure the high speed of train fortune
Row, it is desirable that track structure has stronger globality, once the force transferring part damage of moderate finite deformation or track occurs for basis, then rail
The stability and ride comfort of road structure is difficult to ensure, gently then causes train speed limit, heavy then security incident occurs.
When in practical applications, to the track construction of railway, subway tunnel, track plates, sleeper, template, the section of track, rail and
Turnout etc. is required to lift, and track structure component may receive damage during service, and track plates or concrete bottom occurs
Seat board crackle, breakage or fracture, high-speed switch hurt, cement emulsified asphalt mortar gap, breakage or fragmentation, I templates convex gear
The problems such as platform and convex blocking platform potting resin are damaged, and the damage of track plates track, solid concrete roabed sedimentation are transfinited, these situations are not only
It is beautiful to influence track, and directly affects track structure stability and ride comfort, so as to injure train operating safety, therefore needs
It will be to there are the track structure component on-call maintenance of hidden danger or replacements.
Due to the factor of geographical environment, track is not both within horizontality, and general loop wheel machine can not use, and due to
The track plates that railway uses at present, size and weight are larger, it is necessary to, it is necessary to make using crane cooperation is manually common when replacing
Industry, this not only needs building platform, but also is easily limited by working region, and construction period is long, and construction efficiency is relatively low；Safety
Property is poor, needs manpower and materials more in construction, construction safety can not ensure.
In order to solve the above-mentioned technical problem, the applicant devises a kind of trackless gantry crane, the rack of the crane
Can to both sides horizontal extension, while also can upper and lower vertical telescopic, adapt to the width on track construction road surface and the height in tunnel,
The application is the control system for the Gantry Crane.
Utility model content
The purpose of this utility model is to provide a kind of mill stand control system of trackless deformation gantry crane, the control systems
System can carry out Collaborative Control to expansion bracket horizontal in rack and vertical supporting rod, meet the various adjustment need to rack
It asks.
Technical solution is used by the utility model solves its technical problem：
A kind of mill stand control system of trackless deformation gantry crane, four expansion brackets of rack pass through horizontal hydraulic pressure respectively
Cylinder drives, and the supporting rod on the downside of each expansion bracket is driven respectively by vertical hydraulic cylinder, and the control system includes：
A, hydraulic control portion,
It is synchronous that hydraulic control portion includes hydraulic power unit, two four-way electromagnetic reversing valves, a throttling stop valve, four cylinders
Valve, left side cylinder synchronous valve, right side cylinder synchronous valve, four overlapping twos, four horizontal 3-position 4-way electromagnetic switch
Valve, four vertical three-position four-way electromagnetic directional valves；
Hydraulic power unit provides hydraulic power for hydraulic control portion, and hydraulic power unit outlet is equipped with total solenoid valve；
The entrance of four vertical three-position four-way electromagnetic directional valves is connected respectively with hydraulic power unit by total solenoid valve, exports and divide
Entrance not with four overlapping twos is correspondingly connected with, the outlets of four overlapping twos again respectively with
Vertical hydraulic cylinder is correspondingly connected with, and forms the hydraulic-driven to supporting rod；
Throttle check valve inlet is connected by total solenoid valve with hydraulic power unit, is exported and is sequentially connected two four-way electromagnetics commutations
Valve and four cylinder synchronous valves, the output of four cylinder synchronous valves is respectively as the input of left side cylinder synchronous valve and right side cylinder synchronous valve, left side
Horizontal three-position four-way electromagnetic directional valve of the output of cylinder synchronous valve respectively with two control left side expansion brackets is connected, and right side cylinder is synchronous
Horizontal three-position four-way electromagnetic directional valve of the output of valve respectively with two control right side expansion brackets is connected, the horizontal 3-position 4-way
Solenoid directional control valve is correspondingly connected with respectively with horizontal hydraulic cylinder, forms the hydraulic-driven to expansion bracket；
B, electrical control division,
Electric power incoming line passes sequentially through breaker, contactor and electrothermal relay connection hydraulic pump motor；Electric power incoming line is also successively
Pass through transformer and D.C. regulated power supply output control voltage；Hydraulic pressure pump start button, contactor coil and electrothermal relay it is normal
Closed contact, which is sequentially connected in series, to be followed by voltage circuit is controlled, and forms the control loop of hydraulic power unit；
Electrical control division is also opened comprising one group for operating rack level hydraulic cylinder and the Self-resetting selection of vertical hydraulic cylinder
It closes, after each Self-resetting selecting switch difference series relay, then is connected in parallel in control voltage circuit；Each relay it is normally opened
After the series connection corresponding with the electromagnet of each solenoid directional control valve in hydraulic control portion of contact, then it is connected in parallel in control voltage circuit.
The beneficial effects of the utility model are：Electrical control division coordinated corresponding with hydraulic control portion, makes control stretch
The hydraulic cylinder of frame and supporting rod is needed to stretch out or retracted according to construction, so as to meet the various adjustment demands to rack.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples：
Fig. 1 is the rack schematic diagram of the utility model；
Fig. 2 is the hydraulic control portion schematic diagram of the utility model；
Fig. 3 is the close-up schematic view of hydraulic power unit part in Fig. 2；
Fig. 4 is the close-up schematic view of expansion bracket drive part in Fig. 2；
Fig. 5 is the close-up schematic view of supporting rod drive part in Fig. 2；
Fig. 6 is electrical schematics of the utility model electrical control division on hydraulic power unit；
Fig. 7 is the utility model electrical control division on Self-resetting selecting switch and the electrical schematics of relay；
Fig. 8 is electrical schematics of the utility model electrical control division on relay contact and electromagnet.
Specific embodiment
With reference to shown in Fig. 1 and Fig. 2, the utility model provides a kind of mill stand control system of trackless deformation gantry crane,
Four expansion brackets of rack are driven respectively by horizontal hydraulic cylinder, i.e., left front expansion bracket 1a, left back expansion bracket 1b, right front stretching frame
Expansion bracket 1d passes through horizontal hydraulic cylinder 2c, the right side before left front horizontal hydraulic cylinder 2a, left back horizontal hydraulic cylinder 2b, the right side respectively behind 1c, the right side
Horizontal hydraulic cylinder 2d drives afterwards；Supporting rod on the downside of each expansion bracket is driven respectively by vertical hydraulic cylinder namely left front support
Bar 3a, left back supporting rod 3b, right anterior branch strut 3c, right back support rod 3d are respectively by left front vertical hydraulic cylinder 4a, left back vertical
Vertical hydraulic cylinder 4d drives behind vertical hydraulic cylinder 4c, the right side before hydraulic cylinder 4b, the right side；The control system includes：
A, hydraulic control portion,
With reference to shown in Fig. 3~5, hydraulic control portion is powered comprising the throttling stop valve 6, one two four of hydraulic power unit 5, one
Magnetic reversal valve 7, four cylinder synchronous valves 8, left side cylinder synchronous valve 9,10, four overlapping twos 11 of right side cylinder synchronous valve,
Four horizontal three-position four-way electromagnetic directional valves, four vertical three-position four-way electromagnetic directional valves；Four horizontal 3-position 4-way electromagnetism change
To valve i.e. respectively with left front horizontal hydraulic cylinder 2a, left back horizontal hydraulic cylinder 2b, it is right before horizontal hydraulic cylinder 2c, it is right after horizontal hydraulic cylinder
Levels electromagnetic behind levels electromagnetic valve 12c, the right side before the corresponding left front levels electromagnetic valve 12a of 2d, left back levels electromagnetic valve 12b, the right side
Valve 12d；Four cylinder synchronous valves 8, left side cylinder synchronous valve 9, right side cylinder synchronous valve 10 use autoregulating type distributing and collecting valve.
Four vertical three-position four-way electromagnetic directional valves namely respectively with left front vertical hydraulic cylinder 4a, left back vertical hydraulic cylinder
4b, it is right before vertical hydraulic cylinder 4c, it is right after the corresponding left front vertical solenoid valve 13a of vertical hydraulic cylinder 4d, left back vertical solenoid valve
Vertical solenoid valve 13d behind vertical solenoid valve 13c, the right side before 13b, the right side.
Hydraulic power unit 5 provides hydraulic power for hydraulic control portion, and the outlet of hydraulic power unit 5 is equipped with total solenoid valve 14；
The entrance of four vertical three-position four-way electromagnetic directional valves is connected respectively with hydraulic power unit 5 by total solenoid valve 14, gone out
Entrance of the mouth respectively with four overlapping twos 11 is correspondingly connected with, the outlet of four overlapping twos 11
It is correspondingly connected with respectively with four vertical hydraulic cylinders again, forms the hydraulic-driven to supporting rod；
6 entrance of throttling stop valve is connected by total solenoid valve 14 with hydraulic power unit 5, is exported and is sequentially connected two four-way electromagnetics
7 and four cylinder synchronous valve 8 of reversal valve, the output of four cylinder synchronous valves 8 is respectively as left side cylinder synchronous valve 9 and right side cylinder synchronous valve 10
Input, the output of left side cylinder synchronous valve 9 are connected respectively with left front levels electromagnetic valve 12a, left back levels electromagnetic valve 12b, right side cylinder
The output of synchronous valve 10 is connected respectively with levels electromagnetic valve 12d behind levels electromagnetic valve 12c, the right side before the right side.
B, electrical control division,
With reference to shown in Fig. 6~8,380V AC power inlet wires pass sequentially through circuit breaker Q 1, contactor KM and electrothermal relay FR
Connect hydraulic pump motor M；380V AC powers inlet wire also pass sequentially through transformer T1, breaker F2, with D.C. regulated power supply T2,
Breaker F3 output direct current 24V control voltages.
The normally-closed contact of hydraulic pressure pump start button S1, the coil of contactor KM and electrothermal relay FR, which are sequentially connected in series, to be followed by controlling
In voltage circuit processed, the control loop of hydraulic power unit is formed.
Electrical control division is also opened comprising one group for operating rack level hydraulic cylinder and the Self-resetting selection of vertical hydraulic cylinder
It closes, after each Self-resetting selecting switch difference series relay, then is connected in parallel in control voltage circuit；Each relay it is normally opened
After the series connection corresponding with the electromagnet of each solenoid directional control valve in hydraulic control portion of contact, then it is connected in parallel in control voltage circuit.
Self-resetting selecting switch uses three selecting switch of Self-resetting, each switch comprising stretch, contract two control actions,
According to the demand that crane is constructed, mill stand control includes left front horizontal extension switch S2, left back horizontal extension switch S3, You Qianshui
Horizontal extension switch S5, left synchronization telescope switch S6, right synchronization telescope switch S7, left and right are synchronously stretched behind flat telescoping switch S4, the right side
Contracting switch S8；Left front vertical telescopic switchs S9, left back vertical telescopic switchs S10, before the right side behind vertical telescopic switch S11, the right side vertically
Telescoping switch S12；Vertical full synchronization telescope switch S13.
The electromagnet of each solenoid directional control valve is respectively：Total solenoid valve 14 corresponds to electromagnet YVH2, and two four-way electromagnetics change
Electromagnet YVH3, left front levels electromagnetic valve 12a, which are corresponded to, to valve 7 corresponds to electromagnet YVH29, YVH30,
Left back levels electromagnetic valve 12b corresponds to electromagnet YVH31, YVH32, and levels electromagnetic valve 12c corresponds to electromagnet before the right side
YVH25, YVH26, it is right after levels electromagnetic valve 12d correspond to electromagnet YVH27, YVH28.
Left front vertical solenoid valve 13a corresponds to electromagnet YVH37, YVH38, and left back vertical solenoid valve 13b corresponds to electromagnet
YVH39, YVH40, vertical solenoid valve 13c corresponds to electromagnet YVH33, YVH34 before right, and vertical solenoid valve 13d corresponds to electromagnetism after right
Iron YVH35, YVH36.
It retracts in order to ensure the synchronization of oil cylinder, only just allows synchronous retract when this crane is located at construction orbit centre
Operation will be connected on " retraction " position of left synchronization telescope switch S6 positioned at the detection switch SX of crane floor detection center
With in the circuit of relay K10, and making the corresponding relay K12 in right synchronization telescope switch S7 " retractions " position and left and right synchronization telescope
Switching corresponding relay K15, K16 tool in S8 " retraction " position, there are one common ends.
When using this control system control rack, hydraulic pressure pump start button S1 is pressed first and starts hydraulic power unit 5, then
It is operated as desired, in order to more intuitively show that each switching manipulation, the work of relay, electromagnet, rack correspond to
Situation is illustrated below with form：
The above descriptions are merely preferred embodiments of the present invention, and not the utility model is made in any form
Limitation；Any those skilled in the art, it is all available in the case where not departing from technical solutions of the utility model ambit
The methods and technical content of the disclosure above is made technical solutions of the utility model many possible changes and modifications or is revised as
The equivalent embodiment of equivalent variations.Therefore, every content without departing from technical solutions of the utility model, according to the utility model
Technical spirit still falls within this practicality to any simple modification made for any of the above embodiments, equivalent substitution, equivalence changes and modification
In the range of the protection of new technique scheme.
Claims (1)
1. a kind of mill stand control system of trackless deformation gantry crane, four expansion brackets of rack pass through horizontal hydraulic cylinder respectively
It drives, the supporting rod on the downside of each expansion bracket is driven respectively by vertical hydraulic cylinder, which is characterized in that the control system bag
It includes：
A, hydraulic control portion,
It is same that hydraulic control portion includes hydraulic power unit, two four-way electromagnetic reversing valves, throttling stop valve, four cylinder synchronous valves, left side cylinder
Walk valve, right side cylinder synchronous valve, four overlapping twos, four horizontal three-position four-way electromagnetic directional valves, four it is vertical
Three-position four-way electromagnetic directional valve；
Hydraulic power unit provides hydraulic power for hydraulic control portion, and hydraulic power unit outlet is equipped with total solenoid valve；
The entrance of four vertical three-position four-way electromagnetic directional valves is connected by total solenoid valve with hydraulic power unit respectively, export respectively with
The entrance of four overlapping twos is correspondingly connected with, the outlets of four overlapping twos again respectively with it is vertical
Hydraulic cylinder is correspondingly connected with, and forms the hydraulic-driven to supporting rod；
Throttle check valve inlet is connected by total solenoid valve with hydraulic power unit, export be sequentially connected two four-way electromagnetic reversing valves with
Four cylinder synchronous valves, respectively as the input of left side cylinder synchronous valve and right side cylinder synchronous valve, left side cylinder is same for the output of four cylinder synchronous valves
Horizontal three-position four-way electromagnetic directional valve of the output of step valve respectively with two control left side expansion brackets is connected, right side cylinder synchronous valve
Horizontal three-position four-way electromagnetic directional valve of the output respectively with two control right side expansion brackets is connected, the horizontal 3-position 4-way electromagnetism
Reversal valve is correspondingly connected with respectively with horizontal hydraulic cylinder, forms the hydraulic-driven to expansion bracket；
B, electrical control division,
Electric power incoming line passes sequentially through breaker, contactor and electrothermal relay connection hydraulic pump motor；Electric power incoming line also passes sequentially through
Transformer and D.C. regulated power supply output control voltage；Hydraulic pressure pump start button, contactor coil and the normally closed of electrothermal relay are touched
Point, which is sequentially connected in series, to be followed by voltage circuit is controlled, and forms the control loop of hydraulic power unit；
The Self-resetting selecting switch that electrical control division also is used to operate rack level hydraulic cylinder and vertical hydraulic cylinder comprising one group, often
After a Self-resetting selecting switch difference series relay, then it is connected in parallel in control voltage circuit；The normally opened contact of each relay
After series connection corresponding with the electromagnet of each solenoid directional control valve in hydraulic control portion, then it is connected in parallel in control voltage circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721149778.4U CN207375639U (en) | 2017-09-08 | 2017-09-08 | A kind of mill stand control system of trackless deformation gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721149778.4U CN207375639U (en) | 2017-09-08 | 2017-09-08 | A kind of mill stand control system of trackless deformation gantry crane |
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| Publication Number | Publication Date |
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| CN207375639U true CN207375639U (en) | 2018-05-18 |
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| CN201721149778.4U Active CN207375639U (en) | 2017-09-08 | 2017-09-08 | A kind of mill stand control system of trackless deformation gantry crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697809A (en) * | 2017-09-08 | 2018-02-16 | 安徽兴宇轨道装备有限公司 | A kind of mill stand control system of trackless deformation gantry crane |
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2017
- 2017-09-08 CN CN201721149778.4U patent/CN207375639U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107697809A (en) * | 2017-09-08 | 2018-02-16 | 安徽兴宇轨道装备有限公司 | A kind of mill stand control system of trackless deformation gantry crane |
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