CN203033312U - Full-automatic hydraulic bi-directional servo deviation correction system - Google Patents
Full-automatic hydraulic bi-directional servo deviation correction system Download PDFInfo
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- CN203033312U CN203033312U CN 201220625045 CN201220625045U CN203033312U CN 203033312 U CN203033312 U CN 203033312U CN 201220625045 CN201220625045 CN 201220625045 CN 201220625045 U CN201220625045 U CN 201220625045U CN 203033312 U CN203033312 U CN 203033312U
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- check valve
- pipeline
- way pump
- oil cylinder
- directional pump
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Abstract
The utility model discloses a full-automatic hydraulic bi-directional servo deviation correction system which comprises a gear and rack swing oil cylinder, a left bi-directional pump and a right bi-directional pump. The system is symmetrical with the gear and rack swing oil cylinder as a center, the left bi-directional pump and the right bi-directional pump are distributed symmetrically, the left bi-directional pump is provided with a left friction wheel, the right bi-directional pump is provided with a right friction wheel, the gear and rack swing oil cylinder is connected with a left end control switch check valve, an oil tank and a right end control switch check valve in sequence from a left cavity to a right cavity along a first pipeline, and the left bi-directional pump is connected with a right shuttle valve, the right bi-directional pump and a left shuttle valve in sequence from the left end of the left bi-directional pump to the right end of the left bi-directional pump through a second pipeline. The full-automatic hydraulic bi-directional servo deviation correction system is free of a power source and is electrically controlled; can resist wind blowing and raining, can be automatically corrected, and can not be out of control. The system is a totally closed system and can resist pollution. According to the system, structure is simple, installation and replacement are convenient, service life is long and a failure rate is low.
Description
Technical field
The utility model relates to the hydraulic efficiency pressure system of hydraulic follow-up technology, particularly a kind of fully automatic hydraulic bilateral servo sideslip corrective system.
Background technology
The principle of work of belt transporter: belt is transported to various solid materials the place of appointment from a place under the driving of motor.Mainly comprise driving device (motor, reductor, coupler, driving wheel, flower wheel, bend wheel); Stand arrangement (belt feeder support, carrying roller and support); Control and fender guard (sideslip switch, speed switch, pull switch); Tightening device (three kinds of screw rods, counterweight, hydraulic pressure are arranged); Belt and auxiliary device.
Yet transportation in always have the phenomenon of belt deviation, cause reason a lot.When wheel, belt support are installed end to end not on same line of centers, carrying roller is partial to belt transporting direction out of plumb, belt tension, material not just, rainwater skids etc.Except machinery adjustment and protection, need to increase the sideslip correct equipment.The existing market correct equipment is of a great variety, but principle of work substantially all is identical: when load-transfer device departs from the belt feeder theoretical centerline, the axis of correct equipment roller must be by correct direction deflection certain angle, thereby between roller and load-transfer device, produce a side friction component, make load-transfer device get back to the tram.
Adjusting the belt deviation device at present has the machinery rope to pass deviation correcting device, electronic, types such as electricity surges, hydraulic control connecting rod mechanism.The machinery rope passes deviation correcting device: service life is short, the correction dynamics is not enough; Electronic: need power supply and control system, easily out of control; Electricity surges: need power supply and control system, fault rate height, installation and maintenance inconvenience; The hydraulic control connecting rod mechanism: installation is inconvenient, service life is short, installation and maintenance are inconvenient.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, and a kind of fully automatic hydraulic bilateral servo sideslip corrective system is provided, and this system is the full automaticity corrective system of all hydraulic, not charged source, not charged gas control system.
For achieving the above object, the designed a kind of fully automatic hydraulic bilateral servo sideslip corrective system of the utility model, this system is to comprise the rack-and-gear oscillating oil cylinder, left side two-way pump and right two-way pump, described system is symmetry centered by the rack-and-gear oscillating oil cylinder, described left two-way pump and right two-way pump are symmetrically distributed, distribute on described left two-way pump and the right two-way pump and be provided with left friction wheel and right friction wheel, connect left end control successively to right chamber from chamber, a rack-and-gear oscillating oil cylinder left side along first pipeline and close check valve, check valve is closed in fuel tank and right-hand member control, successively connect right shuttle valve from the left end of left two-way pump to right-hand member by second pipeline, right two-way pump and left shuttle valve, be connected left hydraulic control pipeline and left first check valve between described left shuttle valve and the rack-and-gear oscillating oil cylinder left end, described left hydraulic control pipeline one end connects left end control and closes check valve, described right shuttle valve and rack-and-gear oscillating oil cylinder are connected right hydraulic control pipeline and right first check valve between the right chamber, described right hydraulic control pipeline one end connects right-hand member control and closes check valve, described left two-way pump the right and left is communicated with first pipeline by left second check valve and a left side the 3rd check valve respectively with second pipeline, described right two-way pump the right and left is communicated with first pipeline by right second check valve and right the 3rd check valve respectively with second pipeline.
Its principle of work is:
Orientation has four, conveyer belt forward the time about proofread and correct, conveyer belt backward about proofread and correct.Two two-way oil pumps are contained in the conveyer belt both sides respectively, and pre-set conveyer belt and allow deviation range, when the conveyer belt skew exceeds allowed band, touch friction wheel and drive the oil pump operation, the action of driving oscillating cylinder, the output shaft of oscillating cylinder is the cylinder centre of gration, directly adjusts cylinder and horizontally rotates, and makes during conveyer belt returns.
Advantage of the present utility model is:
1, need not power supply, electrical control,
2, be not afraid of wind and weather,
3, from dynamic correction, not out of control,
4, totally-enclosed system is not afraid of pollution,
5, simple in structure, install and change convenient,
6, the life-span is long, fault rate is low.
Description of drawings
Fig. 1 is that conveyer belt forward of the present utility model (back) is carried and working condition chart during to left avertence.
Fig. 2 be conveyer belt of the present utility model oppositely (preceding) carry and working condition chart during to left avertence.
Among the figure, 1. left two-way pump, 2. right two-way pump, 3. left second check valve, 4. a left side the 3rd check valve, 5. right second check valve, 6. right the 3rd check valve, 7. left shuttle valve, 8. right shuttle valve, 9. check valve is closed in left end control, 10. left first check valve, 11. right first check valves, 12. check valve, 13. rack-and-gear oscillating oil cylinders, 14. left friction wheels are closed in right-hand member control, 15. right friction wheel, 16. fuel tanks, 17. left hydraulic control pipelines, 18. right hydraulic control pipeline, 19. first pipelines, 20. second pipelines.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, so that those skilled in the art understand.
Embodiment 1
A kind of fully automatic hydraulic bilateral servo sideslip corrective system shown in the figure, this system is to comprise rack-and-gear oscillating oil cylinder 13, left side two-way pump 1 and right two-way pump 2, described system is symmetry centered by rack-and-gear oscillating oil cylinder 13, described left two-way pump 1 is symmetrically distributed with right two-way pump 2, distribute on described left two-way pump 1 and the right two-way pump 2 and be provided with left friction wheel 14 and right friction wheel 15, connect left end control from rack-and-gear oscillating oil cylinder 13 left chambeies along first pipeline 19 successively to right chamber and close check valve 9, check valve 9 is closed in fuel tank 16 and right-hand member control, successively connect right shuttle valve 8 from the left end of left two-way pump 1 to right-hand member by second pipeline 20, right two-way pump 2 and left shuttle valve 7, be connected left hydraulic control pipeline 17 and left first check valve 10 between described left shuttle valve 7 and rack-and-gear oscillating oil cylinder 13 left ends, described left hydraulic control pipeline 17 1 ends connect left end control and close check valve 9, be connected right hydraulic control pipeline 18 and right first check valve 11 between described right shuttle valve 8 and rack-and-gear oscillating oil cylinder 13 right-hand members, described right hydraulic control pipeline 18 1 ends connect right-hand member control and close check valve 12, described left two-way pump 1 the right and left is communicated with first pipeline 19 by left second check valve 3 and a left side the 3rd check valve 4 respectively with second pipeline 20, described right two-way pump 2 the right and lefts are communicated with first pipeline 19 by right second check valve 5 and right the 3rd check valve 6 respectively with second pipeline 20.
Working process:
During when conveyer belt forward (back) conveying and to left avertence (as shown in Figure 1), left side friction wheel 14 drives left two-way pump 1 cw running, pump fluid and push left shuttle valve 7 open, enter rack-and-gear oscillating oil cylinder 13 left chambeies by left first check valve 10, the control oil of left hydraulic control pipeline 17 closes check valve 9 locked (not conducting from bottom to up) with left end control simultaneously.The fluid in rack-and-gear oscillating oil cylinder 13 right chambeies closes check valve 12 to the left side hydraulic fluid port that left second check valve 3 arrives left two-way pump 1 by right-hand member control and replenishes oil suction.This moment, rack-and-gear oscillating oil cylinder 13 pistons were mobile from left to right, and the piston rod driven gear of band tooth bar rotates counterclockwise, and adjusts the left back right front deflection of cylinder, realized that transport tape moves right.With should the conveyer belt forward during to right avertence, right two-way pump 2 can clockwise rotate by driven gear tooth bar oscillating oil cylinders 13.
During when conveyer belt reverse (preceding) conveying and to left avertence (as shown in Figure 2), left side friction wheel 14 drives left two-way pump 1 conter clockwise running, pump fluid and push right shuttle valve 8 open, enter rack-and-gear oscillating oil cylinder 13 right chambeies by right first check valve 11, the control oil of right hydraulic control pipeline 18 closes check valve 12 locked (not conducting from bottom to up) with right-hand member control simultaneously.The fluid in rack-and-gear oscillating oil cylinder 13 left chambeies replenishes oil suction by controlling the right side hydraulic fluid port that closes left end control pass check valve 9 left two-way pump 1 of the 3rd check valve 4 arrival to a left side.This moment, rack-and-gear oscillating oil cylinder 13 pistons were mobile from right to left, and the piston rod driven gear of band tooth bar clockwise rotates.Adjust the left front right back deflection of cylinder, realize that transport tape moves right.With should conveyer belt during oppositely to right avertence, right two-way pump 2 can rotate counterclockwise by driven gear tooth bar oscillating oil cylinders 13.
Although above-described embodiment has been made detailed description to the utility model; but it only is the utility model part embodiment; rather than whole embodiment; people can also obtain other embodiment according to present embodiment under without creative prerequisite, these embodiment belong to the utility model protection domain.
Claims (1)
1. fully automatic hydraulic bilateral servo sideslip corrective system, it is characterized in that: this system is to comprise rack-and-gear oscillating oil cylinder (13), left side two-way pump (1) and right two-way pump (2), described system is symmetry centered by rack-and-gear oscillating oil cylinder (13), described left two-way pump (1) is symmetrically distributed with right two-way pump (2), described left two-way pump (1) is gone up to distribute with right two-way pump (2) and is provided with left friction wheel (14) and right friction wheel (15), connect left end control from the left chamber of rack-and-gear oscillating oil cylinder (13) along first pipeline (19) successively to right chamber and close check valve (9), check valve (9) is closed in fuel tank (16) and right-hand member control, successively connect right shuttle valve (8) from the left end of left two-way pump (1) to right-hand member by second pipeline (20), right two-way pump (2) and left shuttle valve (7), be connected left hydraulic control pipeline (17) and left first check valve (10) between described left shuttle valve (7) and the left chamber of rack-and-gear oscillating oil cylinder (13), described left hydraulic control pipeline (17) one ends connect left end control and close check valve (9), be connected right hydraulic control pipeline (18) and right first check valve (11) between described right shuttle valve (8) and the right chamber of rack-and-gear oscillating oil cylinder (13), described right hydraulic control pipeline (18) one ends connect right-hand member control and close check valve (12), described left two-way pump (1) the right and left is communicated with first pipeline (19) by left second check valve (3) and a left side the 3rd check valve (4) respectively with second pipeline (20), described right two-way pump (2) the right and left is communicated with first pipeline (19) by right second check valve (5) and right the 3rd check valve (6) respectively with second pipeline (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625045 CN203033312U (en) | 2012-11-23 | 2012-11-23 | Full-automatic hydraulic bi-directional servo deviation correction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625045 CN203033312U (en) | 2012-11-23 | 2012-11-23 | Full-automatic hydraulic bi-directional servo deviation correction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203033312U true CN203033312U (en) | 2013-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220625045 Withdrawn - After Issue CN203033312U (en) | 2012-11-23 | 2012-11-23 | Full-automatic hydraulic bi-directional servo deviation correction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203033312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963675A (en) * | 2012-11-23 | 2013-03-13 | 武汉华液传动制造有限公司 | Full-automatic hydraulic bidirectional servo off tracking correction system |
-
2012
- 2012-11-23 CN CN 201220625045 patent/CN203033312U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963675A (en) * | 2012-11-23 | 2013-03-13 | 武汉华液传动制造有限公司 | Full-automatic hydraulic bidirectional servo off tracking correction system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130703 Effective date of abandoning: 20140820 |
|
| RGAV | Abandon patent right to avoid regrant |