CN203335505U - Piston type industrial pump hydraulic system - Google Patents
Piston type industrial pump hydraulic system Download PDFInfo
- Publication number
- CN203335505U CN203335505U CN2013203642805U CN201320364280U CN203335505U CN 203335505 U CN203335505 U CN 203335505U CN 2013203642805 U CN2013203642805 U CN 2013203642805U CN 201320364280 U CN201320364280 U CN 201320364280U CN 203335505 U CN203335505 U CN 203335505U
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- Prior art keywords
- pump
- pumps
- constant pressure
- piston type
- type industrial
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- Expired - Lifetime
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Abstract
The utility model discloses a piston type industrial pump hydraulic system which comprises variable pumps, constant pressure pumps and gear pumps, wherein the variable pumps, the constant pressure pumps and the gear pumps are connected with a pumping oil cylinder, an oscillating oil cylinder and a stirring motor respectively through oil circuits, the two sets of variable pumps, constant pressure pumps and gear pumps are connected in parallel on a hydraulic oil circuit, and switching devices are arranged on the hydraulic oil circuit between every two adjacent oil pumps. According to the piston type industrial pump hydraulic system, the two identical motor oil pump sets are connected in parallel, a user can choose one or two motor oil pump sets for use through the switching devices according to the flow needed by a working part, therefore, working reliability of a piston type industrial pump is improved, and cost for adopting two sets of equipment is saved. The piston type industrial pump hydraulic system can be widely used on pumping equipment working for a long time.
Description
Technical field
The utility model belongs to piston type industrial pump, is specifically related to the piston type industrial pump hydraulic system that a kind of reliability is high.
Background technique
Piston type industrial pump is widely used in mining, metallurgical, sewage treatment, power plant, petrochemical industry, solid waste is processed, desilting, cement, tunnel construction, the fields such as marine reclamation land, high solid content for complicated component, the material of stickiness provides safe and reliable high pressure, remote pipe is carried, therefore the working environment of piston type industrial pump is often in high voltage load, long running state, and pipeline is carried the high reliability that requires equipment, must realize carrying continuously, otherwise equipment failure quits work and all can cause material in conveyance conduit to solidify, again start the result that can't carry, thereby cause heavy economic losses.During for large-scale packing job, generally adopt two piston type industrial pumps, a preparation and a use, but the investment of two equipment is too large, is necessary that the core from piston type industrial pump--hydraulic system is improved, and improves the reliability of piston type industrial pump.
The model utility content
For guaranteeing the high reliability of piston type industrial pump work, the utility model proposes can the high piston type industrial pump hydraulic system of a kind of reliability, the hydraulic system that not only can collaborate but also can be used alone by the parallel connection of two groups of same motor oil pump groups, guaranteed the high reliability of equipment.
The utility model adopts following technological scheme to realize: a kind of piston type industrial pump hydraulic system, comprise the variable displacement pump, constant pressure pump and the gear pump that connect respectively pumping oil cylinder, oscillating oil cylinder and stirring motor by oil circuit, described variable displacement pump, constant pressure pump and gear pump be two groups and be connected in parallel on hydraulic circuit, and the oil circuit between two identical oil pumps is provided with COMM communication.
Be equipped with electromagnetic relief valve in the bypass of described two variable displacement pump oil outlets and be communicated with fuel tank.
COMM communication between described two constant pressure pumps is the constant pressure pump selector valve, and two filler openings of described constant pressure pump selector valve are communicated with respectively the oil outlet of two constant pressure pumps, and its actuator port is communicated with respectively oscillating oil cylinder and fuel tank.
COMM communication between described two gear pumps is the gear pump selector valve, and two filler openings of described gear pump selector valve are communicated with respectively the oil outlet of two gear pumps, and its actuator port is communicated with respectively stirring motor and fuel tank.
Described constant pressure pump selector valve and gear pump selector valve are manual 2/2-way selector valve.
In the utility model, two variable displacement pumps are realized large discharge capacity fuel feeding to master cylinder together, provide power to pumping, can realize that by controlling corresponding electromagnetic relief valve only a variable displacement pump is realized the small displacement fuel feeding to master cylinder, also can realize a preparation and a use of two variable displacement pumps, two constant pressure pumps are given separately pendulum valve oil oil supply cylinder by the constant pressure pump selector valve, to the S pipe, commutation provides power, realize a preparation and a use, two gear pumps provide power to stirring motor separately by the gear pump selector valve, are a preparation and a use equally.
From the above mentioned, the utility model adopts two groups of same motor oil pump groups to be together in parallel, pass through one still two of COMM communication choice for uses according to the size of the required flow of working portion, or a preparation and a use, improved the reliability of piston type industrial pump work, saved the cost that adopts two complete equipments, extensive use on the pumping equipment that can work long hours at needs.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
The accompanying drawing explanation
The hydraulic schematic diagram that Fig. 1 is a kind of piston type industrial pump hydraulic system of relating to of the utility model.
Number in the figure: 1-the first variable displacement pump, 2-the first constant pressure pump, 3-the first gear pump, 4-the second electromagnetic relief valve, 5-the second variable displacement pump, 6-the second constant pressure pump, 7-the second gear pump, 8-gear pump selector valve, the 9-stirring motor, 10-oscillating oil cylinder, 11-pumping oil cylinder, 12-constant pressure pump selector valve, 13-the first electromagnetic relief valve.
Embodiment
Embodiment
Referring to Fig. 1, piston type industrial pump hydraulic system in diagram comprises two groups of variable displacement pumps, constant pressure pump and gear pumps that connect respectively pumping oil cylinder 11, oscillating oil cylinder 10 and stirring motor 9 by oil circuit, two groups of variable displacement pumps, constant pressure pump and gear pumps are connected in parallel on hydraulic circuit, and the oil circuit between two identical oil pumps is provided with COMM communication.
Wherein, be respectively equipped with the first electromagnetic relief valve 13 and the second electromagnetic relief valve 4 connection fuel tanks in the bypass of the first variable displacement pump 1 and the second variable displacement pump 5 oil outlets.
COMM communication constant pressure pump selector valve 12 between the first constant pressure pump 2 and the second constant pressure pump 6, two filler openings of constant pressure pump selector valve 12 are communicated with respectively the oil outlet of two constant pressure pumps, and its actuator port is communicated with respectively oscillating oil cylinder 10 and fuel tank.
COMM communication between the first gear pump 3 and the second gear pump 7 is gear pump selector valve 8, and two filler openings of gear pump selector valve 8 are communicated with respectively the oil outlet of two gear pumps, and its actuator port is communicated with respectively stirring motor 9 and fuel tank.
Constant pressure pump selector valve 12 and gear pump selector valve 9 adopt the 2/2-way selector valve of manual reverse of direction, when the constant pressure pump of working (gear pump), while breaking down, switch to another constant pressure pump (gear pump) by manual reverse of direction and carry out work.Two variable displacement pumps are realized large discharge capacity fuel feeding to master cylinder together, provide power to pumping, can realize that by controlling corresponding electromagnetic relief valve corresponding variable displacement pump realizes overflow, control another variable displacement pump master cylinder is realized to the small displacement fuel feeding, can realize a preparation and a use of two variable displacement pumps equally, improve the functional reliability of pumping equipment.
Above embodiment has described basic principle of the present utility model and major character and advantage of the present utility model, the technician of the industry should understand, the utility model is not restricted to the described embodiments, that in above-described embodiment and specification, describes just illustrates specific works principle of the present utility model, under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, these changes and improvements all fall in claimed the utility model scope, the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a piston type industrial pump hydraulic system, comprise the variable displacement pump, constant pressure pump and the gear pump that connect respectively pumping oil cylinder, oscillating oil cylinder and stirring motor by oil circuit, it is characterized in that: described variable displacement pump, constant pressure pump and gear pump be two groups and be connected in parallel on hydraulic circuit, and the oil circuit between two identical oil pumps is provided with COMM communication.
2. piston type industrial pump hydraulic system according to claim 1, is characterized in that: be equipped with electromagnetic relief valve in the bypass of described two variable displacement pump oil outlets and be communicated with fuel tank.
3. piston type industrial pump hydraulic system according to claim 1, it is characterized in that: the COMM communication between described two constant pressure pumps is the constant pressure pump selector valve, two filler openings of described constant pressure pump selector valve are communicated with respectively the oil outlet of two constant pressure pumps, and its actuator port is communicated with respectively oscillating oil cylinder and fuel tank.
4. piston type industrial pump hydraulic system according to claim 1, it is characterized in that: the COMM communication between described two gear pumps is the gear pump selector valve, two filler openings of described gear pump selector valve are communicated with respectively the oil outlet of two gear pumps, and its actuator port is communicated with respectively stirring motor and fuel tank.
5. according to the described piston type industrial pump hydraulic system of claim 3 or 4, it is characterized in that: described constant pressure pump selector valve and gear pump selector valve are manual 2/2-way selector valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203642805U CN203335505U (en) | 2013-06-24 | 2013-06-24 | Piston type industrial pump hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203642805U CN203335505U (en) | 2013-06-24 | 2013-06-24 | Piston type industrial pump hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335505U true CN203335505U (en) | 2013-12-11 |
Family
ID=49704182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203642805U Expired - Lifetime CN203335505U (en) | 2013-06-24 | 2013-06-24 | Piston type industrial pump hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725803A (en) * | 2017-11-15 | 2018-02-23 | 飞翼股份有限公司 | Non-return valve assembly and pumping filling pipeline system |
-
2013
- 2013-06-24 CN CN2013203642805U patent/CN203335505U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725803A (en) * | 2017-11-15 | 2018-02-23 | 飞翼股份有限公司 | Non-return valve assembly and pumping filling pipeline system |
| CN107725803B (en) * | 2017-11-15 | 2024-04-12 | 飞翼股份有限公司 | Check valve assembly and pumping and filling pipeline system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: Expiration and Termination of 39 Volume 2801 Patent on July 11, 2023 Number: 28-01 Volume: 39 |
|
| CU01 | Correction of utility model |