CN212455019U - Hydraulic system of gantry shearing machine and gantry shearing machine - Google Patents
Hydraulic system of gantry shearing machine and gantry shearing machine Download PDFInfo
- Publication number
- CN212455019U CN212455019U CN202020461955.8U CN202020461955U CN212455019U CN 212455019 U CN212455019 U CN 212455019U CN 202020461955 U CN202020461955 U CN 202020461955U CN 212455019 U CN212455019 U CN 212455019U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- oil
- type
- hydraulic cylinder
- cylinder
- 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.)
- Active
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model provides a hydraulic system and longmen cutter of longmen cutter relates to longmen cutter technical field, and this longmen cutter's hydraulic system includes: the hydraulic system comprises a first type hydraulic cylinder for the gantry shearing machine to execute a first action, a second type hydraulic cylinder for the gantry shearing machine to execute a second action, a first hydraulic oil path for conveying oil from a rodless cavity of the first type hydraulic cylinder to a rod cavity of the second type hydraulic cylinder, a second hydraulic oil path for supplying oil from an oil source to the rod cavity of the first type hydraulic cylinder, and a third hydraulic oil path for discharging oil from the rodless cavity of the second type hydraulic cylinder to an oil tank. The first hydraulic oil circuit, the second hydraulic oil circuit and the third hydraulic oil circuit form a series circuit, so that the first type hydraulic cylinder and the second type hydraulic cylinder can simultaneously act under the condition of not increasing the oil supply amount when contracting, and the execution efficiency of the gantry shearing machine is improved.
Description
Technical Field
The application relates to the technical field of gantry shearing machines, in particular to a hydraulic system of a gantry shearing machine and the gantry shearing machine.
Background
After the waste metal is recovered, various devices are needed for cutting and crushing, so that the subsequent treatment is facilitated. The gantry shearing machine has the advantages of large shearing force and convenience in use, and comprises a gantry frame body, a movable cutter head, a static cutter head and oil cylinders, wherein a plurality of oil cylinders are vertically and downwards mounted on the upper end surface of the gantry frame body, piston rods at the lower end parts of the oil cylinders are connected with the upper end of the movable cutter head, two sides of the movable cutter head are embedded in a guide mechanism mounted in a gantry side frame, the static cutter head opposite to the movable cutter head is mounted below the gantry frame, and the movable cutter head moves downwards to cut off waste metal during use.
Referring to fig. 1, the current hydraulically-driven gantry shears generally have a shearing cylinder S1 for driving a moving blade to shear a material, a material pressing cylinder S2 for pressing the material, and a material pushing cylinder S3 for pushing the material. Firstly, materials to be cut are added into a material box, an automatic starting button is pressed, a cutting oil cylinder S1 and a material pressing oil cylinder S2 return stroke are carried out, a feeding head advances to push materials to a set length, the material pressing oil cylinder S2 compresses the materials, a cutting oil cylinder S1 advances to cut the materials, the cutting return stroke and the material pressing return stroke continue to push the materials to advance, and the next cycle action is carried out. At present, the hydraulic cylinders at all positions consume longer time when acting in sequence, so that the working efficiency of the gantry shearing machine is lower.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved in the present application is to provide a hydraulic system of a gantry shearing machine and a gantry shearing machine, which are high in operation efficiency, for the above-mentioned deficiencies in the prior art.
This longmen cutter's hydraulic system includes: the hydraulic system comprises a first type hydraulic cylinder for the gantry shearing machine to execute a first action, a second type hydraulic cylinder for the gantry shearing machine to execute a second action, a first hydraulic oil path for conveying oil from a rodless cavity of the first type hydraulic cylinder to a rod cavity of the second type hydraulic cylinder, a second hydraulic oil path for supplying oil from an oil source to the rod cavity of the first type hydraulic cylinder, and a third hydraulic oil path for discharging oil from the rodless cavity of the second type hydraulic cylinder to an oil tank.
Further, the hydraulic system of the gantry shearing machine further comprises: the hydraulic system comprises a first hydraulic oil path, a second hydraulic oil path, a third hydraulic oil path, a sixth hydraulic oil path, a seventh hydraulic oil path and an eighth hydraulic oil path, wherein the first hydraulic oil path is used for supplying oil to a rodless cavity of a first type of hydraulic cylinder from an oil source; the rodless cavity of the first type of hydraulic cylinder can sequentially discharge oil to the oil tank through the first hydraulic oil circuit and the seventh hydraulic oil circuit;
the first hydraulic oil circuit is provided with a first switch unit; a second switch unit is arranged on the second hydraulic oil path; a third switch unit is arranged on the third hydraulic oil circuit; a fourth switching unit is arranged on the fourth hydraulic oil circuit; a fifth switch unit is arranged on the fifth hydraulic oil circuit; a sixth switch unit is arranged on the sixth hydraulic oil circuit; a seventh switch unit is arranged on the seventh hydraulic oil circuit; an eighth switch unit is arranged on the eighth hydraulic oil circuit.
Furthermore, the first switch unit to the eighth switch unit are all plug-in control valve sets.
Further, the first type of hydraulic cylinder comprises a plurality of hydraulic cylinders and/or the second type of hydraulic cylinder comprises a plurality of hydraulic cylinders.
Furthermore, the first type of hydraulic cylinder is a material pressing oil cylinder for pressing materials; the second type of hydraulic cylinder is a shearing oil cylinder for driving the cutter head to shear materials.
Further, the first type of hydraulic cylinder is provided with a plurality of hydraulic cylinders connected in parallel; the second type of cylinder has a plurality of cylinders connected in parallel.
On the other hand, the application also provides a gantry shearing machine which is provided with a hydraulic system of any one of the gantry shearing machines.
In the scheme, the hydraulic system of the gantry shearing machine is provided with a first hydraulic oil path for conveying oil from the rodless cavity of the first type of hydraulic cylinder to the rod cavity of the second type of hydraulic cylinder, a second hydraulic oil path for supplying oil from an oil source to the rod cavity of the first type of hydraulic cylinder, and a third hydraulic oil path for discharging oil from the rodless cavity of the second type of hydraulic cylinder to an oil tank. The first hydraulic oil circuit, the second hydraulic oil circuit and the third hydraulic oil circuit form a series circuit, so that the first type hydraulic cylinder and the second type hydraulic cylinder can simultaneously act under the condition of not increasing the oil supply amount when contracting, and the execution efficiency of the gantry shearing machine is improved.
Drawings
Fig. 1 is a schematic structural diagram of a gantry shearing machine in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a hydraulic system of the gantry shearing machine in the embodiment of the application.
Fig. 3 is a schematic view of the flow of oil when the first type of hydraulic cylinder and the second type of hydraulic cylinder are retracted according to the embodiment of the present application.
Detailed Description
The following are specific embodiments of the present application and are further described with reference to the drawings, but the present application is not limited to these embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
In addition, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Referring to fig. 1 and 2, the hydraulic system of the gantry shearing machine includes: the hydraulic system comprises a first type hydraulic cylinder 1 used for the gantry shearing machine to execute a first action, a second type hydraulic cylinder 2 used for the gantry shearing machine to execute a second action, a first hydraulic oil path 3 used for conveying oil from a rodless cavity of the first type hydraulic cylinder 1 to a rod cavity of the second type hydraulic cylinder 2, a second hydraulic oil path 4 used for supplying oil from an oil source 11 to the rod cavity of the first type hydraulic cylinder 1, and a third hydraulic oil path 5 used for discharging oil from the rodless cavity of the second type hydraulic cylinder 2 to an oil tank. Referring to fig. 3, when the first type hydraulic cylinder 1 and the second type hydraulic cylinder 2 retract, the oil source 11 supplies oil to the rod cavity of the first type hydraulic cylinder 1 through the second hydraulic oil path 4, so that the first type hydraulic cylinder 1 retracts, and the oil in the rod-free cavity of the first type hydraulic cylinder 1 is injected into the rod cavity of the second type hydraulic cylinder 2 through the first hydraulic oil path 3; at this time, the second type hydraulic cylinder 2 is retracted, and the rodless chamber thereof is drained to the tank through the third hydraulic oil passage 5. Therefore, the first hydraulic oil path 3, the second hydraulic oil path 4 and the third hydraulic oil path 5 form a series circuit, so that the first type hydraulic cylinder 1 and the second type hydraulic cylinder 2 can simultaneously act without increasing oil supply when contracting, and the efficiency of the gantry shearing machine is improved.
In addition, when the first type hydraulic cylinder 1 and the second type hydraulic cylinder 2 retract, the rodless cavity and the rod cavity have area difference, and when oil is fed from the rod cavity, oil discharged from the rodless cavity is larger than oil feeding flow, so that when the rodless cavity and the rod cavity are connected in series, the oil feeding flow of the next-stage oil cylinder is the flow amplified by the previous-stage oil cylinder, and the action speed of the next-stage oil cylinder is higher than that of the oil pump for directly feeding oil.
In the embodiments of the present application, referring to fig. 1, the gantry shearing machine includes: the shearing oil cylinder S1 is used for driving the moving tool bit to shear the material, the material pressing oil cylinder S2 is used for pressing the material, and the material pushing oil cylinder S3 is used for pushing the material. The first type of hydraulic cylinder 1 and the second type of hydraulic cylinder 2 can be two types of shearing cylinders S1, pressing cylinders S2 and pushing cylinders S3. In some embodiments, the first type of hydraulic cylinder 1 is a material pressing cylinder S2 for pressing materials; the second type of hydraulic cylinder 2 is a shearing cylinder S1 for driving the cutter head to shear the material.
Further, the hydraulic system of the gantry shearing machine further comprises: a fourth hydraulic oil path 6 for supplying oil from an oil source 11 to a rodless cavity of the first type hydraulic cylinder 1, a fifth hydraulic oil path 7 for discharging oil from a rod cavity of the first type hydraulic cylinder 1 to an oil tank, a sixth hydraulic oil path 8 for supplying oil from the oil source 11 to a rod cavity of the second type hydraulic cylinder 2, a seventh hydraulic oil path 9 for discharging oil from a rod cavity of the second type hydraulic cylinder 2 to the oil tank, and an eighth hydraulic oil path 10 for supplying oil from the oil source 11 to a rodless cavity of the second type hydraulic cylinder 2; the rodless cavity of the first type of hydraulic cylinder 1 can sequentially discharge oil to an oil tank through the first hydraulic oil path 3 and the seventh hydraulic oil path 9; wherein, the first hydraulic oil path 3 is provided with a first switch unit DT 7; the second hydraulic oil path 4 is provided with a second switch unit DT 6; a third switch unit DT3 is provided on the third hydraulic oil passage 5; a fourth switching unit DT5 is provided in the fourth hydraulic oil passage 6; a fifth switching unit DT8 is provided on the fifth hydraulic oil passage 7; a sixth switching unit DT2 is provided on the sixth hydraulic oil passage 8; a seventh switching unit DT4 is provided on the seventh hydraulic oil passage 9; the eighth hydraulic fluid passage 10 is provided with an eighth switching unit DT 1.
The second type of hydraulic cylinder 2 solely extends: the eighth switch unit DT1 and the seventh switch unit DT4 are turned on, so that the oil source 11 supplies oil to the rodless cavity of the second type hydraulic cylinder 2 through the eighth hydraulic oil path 10, and the rod cavity of the second type hydraulic cylinder 2 discharges oil to the oil tank through the seventh hydraulic oil path 9.
The second type of hydraulic cylinder 2 solely retracts: and the sixth switching unit DT2 and the third switching unit DT3 are turned on, so that the oil source 11 supplies oil to the rod cavity of the second type hydraulic cylinder 2 through the sixth hydraulic oil path 8, and the rodless cavity of the second type hydraulic cylinder 2 discharges oil to the oil tank through the third hydraulic oil path 5.
The first type of hydraulic cylinder 1 is independently extended: the fourth switch unit DT5 and the fifth switch unit DT8 are turned on, so that the oil source 11 supplies oil to the rodless cavity of the first type of hydraulic cylinder 1 through the fourth hydraulic oil path 6, and the rod cavity of the first type of hydraulic cylinder 1 discharges oil to the oil tank through the fifth hydraulic oil path 7.
The first type of hydraulic cylinder 1 is solely retracted: the seventh switch unit DT4, the second switch unit DT6 and the first switch unit DT7 are turned on, so that the oil source 11 supplies oil to the rod cavity of the first type of hydraulic cylinder 1 through the second hydraulic oil path 4, and the rodless cavity of the first type of hydraulic cylinder 1 can discharge oil to the oil tank through the first hydraulic oil path 3 and the seventh hydraulic oil path 9 in sequence.
Further, the first switching unit DT7 to the eighth switching unit DT1 are all cartridge type valve groups. The cartridge valve can be a two-position two-way cartridge valve, and the specific composition and principle of the cartridge control valve group are conventional in the prior art, and are not described in detail herein.
In some embodiments, the first type of hydraulic cylinder 1 comprises a plurality of hydraulic cylinders and/or the second type of hydraulic cylinder 2 comprises a plurality of hydraulic cylinders.
Further, the first type of hydraulic cylinder 1 has a plurality of hydraulic cylinders connected in parallel; the second type of cylinder 2 has a plurality of cylinders connected in parallel. The specific connection mode can be seen in fig. 3, and in fig. 3, each of the first type hydraulic cylinder 1 and the second type hydraulic cylinder 2 has two hydraulic cylinders connected in parallel.
The embodiment of the present application further provides a gantry shearing machine, where the gantry shearing machine has any one of the hydraulic systems of the gantry shearing machine described in the previous embodiment section, and related contents can be referred to the contents of the previous embodiment section, which is not described herein again.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the present application as defined by the appended claims.
Claims (7)
1. A hydraulic system of a gantry shearing machine is characterized by comprising the following components: the hydraulic system comprises a first type hydraulic cylinder (1) used for the gantry shearing machine to execute a first action, a second type hydraulic cylinder (2) used for the gantry shearing machine to execute a second action, a first hydraulic oil way (3) used for conveying oil from a rodless cavity of the first type hydraulic cylinder (1) to a rod cavity of the second type hydraulic cylinder (2), a second hydraulic oil way (4) used for supplying oil from an oil source (11) to the rod cavity of the first type hydraulic cylinder (1), and a third hydraulic oil way (5) used for discharging oil from the rodless cavity of the second type hydraulic cylinder (2) to an oil tank.
2. A hydraulic system of a gantry shear according to claim 1, wherein the hydraulic system of the gantry shear further comprises: a fourth hydraulic oil path (6) used for supplying oil to a rodless cavity of the first type of hydraulic cylinder (1) from an oil source (11), a fifth hydraulic oil path (7) used for discharging oil from a rod cavity of the first type of hydraulic cylinder (1) to an oil tank, a sixth hydraulic oil path (8) used for supplying oil to a rod cavity of the second type of hydraulic cylinder (2) from the oil source (11), a seventh hydraulic oil path (9) used for discharging oil from the rod cavity of the second type of hydraulic cylinder (2) to the oil tank, and an eighth hydraulic oil path (10) used for supplying oil to the rodless cavity of the second type of hydraulic cylinder (2) from the oil source (11); the rodless cavity of the first type of hydraulic cylinder (1) can sequentially discharge oil to an oil tank through a first hydraulic oil way (3) and a seventh hydraulic oil way (9);
wherein the first hydraulic oil path (3) is provided with a first switch unit (DT 7); a second switch unit (DT6) is arranged on the second hydraulic oil path (4); a third switch unit (DT3) is arranged on the third hydraulic oil path (5); a fourth switch unit (DT5) is arranged on the fourth hydraulic oil path (6); a fifth switch unit (DT8) is arranged on the fifth hydraulic oil path (7); a sixth switch unit (DT2) is arranged on the sixth hydraulic oil path (8); a seventh switch unit (DT4) is arranged on the seventh hydraulic oil path (9); an eighth switch unit (DT1) is provided on the eighth hydraulic oil passage (10).
3. A hydraulic system of a gantry shearing machine according to claim 2, wherein the first switching unit (DT7) to the eighth switching unit (DT1) are all cartridge type control valve sets.
4. A hydraulic system of a gantry shear according to claim 1, wherein the first type of hydraulic cylinder (1) comprises a plurality of hydraulic cylinders and/or the second type of hydraulic cylinder (2) comprises a plurality of hydraulic cylinders.
5. A hydraulic system of a gantry shearing machine according to claim 1, wherein the first type of hydraulic cylinder (1) is a material pressing cylinder for pressing materials; the second type of hydraulic cylinder (2) is a shearing oil cylinder for driving the cutter head to shear the material.
6. A hydraulic system of a gantry shear according to claim 4, wherein the first type of hydraulic cylinder (1) has a plurality of hydraulic cylinders connected in parallel; the second type of hydraulic cylinder (2) has a plurality of hydraulic cylinders connected in parallel.
7. A gantry shear, characterized in that it has the hydraulic system of a gantry shear according to claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020461955.8U CN212455019U (en) | 2020-04-02 | 2020-04-02 | Hydraulic system of gantry shearing machine and gantry shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020461955.8U CN212455019U (en) | 2020-04-02 | 2020-04-02 | Hydraulic system of gantry shearing machine and gantry shearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212455019U true CN212455019U (en) | 2021-02-02 |
Family
ID=74466100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020461955.8U Active CN212455019U (en) | 2020-04-02 | 2020-04-02 | Hydraulic system of gantry shearing machine and gantry shearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212455019U (en) |
-
2020
- 2020-04-02 CN CN202020461955.8U patent/CN212455019U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2830331Y (en) | Automatic feeder mechanism | |
| KR20130060168A (en) | Concrete pumping structure and control method thereof | |
| KR20120101697A (en) | Hydraulic device for hydraulic cylinders | |
| CN212455019U (en) | Hydraulic system of gantry shearing machine and gantry shearing machine | |
| CN107939751B (en) | Plate shearing method of hydraulic plate shearing machine | |
| CN103590996A (en) | Pumping equipment and pumping method | |
| CN210753481U (en) | Surface oil attaching device for machining mechanical parts | |
| CN212455020U (en) | Hydraulic oil supply system of gantry shearing machine and gantry shearing machine | |
| CN212499151U (en) | Hydraulic system of steel scrap packing machine and steel scrap packing machine | |
| CN212979373U (en) | Hydraulic system for pushing head of steel scrap packing machine and steel scrap packing machine | |
| CN217327877U (en) | Rapid box type shearing machine | |
| CN201339616Y (en) | Hydraulic-driving pressure increasing device | |
| CN2698493Y (en) | Hand operated hydraulic cutter | |
| CN104653525A (en) | Closed oil supply system of sectional material extruding machine | |
| CN209736733U (en) | Efficient hydraulic power mechanism for gantry scissors | |
| CN202701482U (en) | Hydraulic scissor | |
| CN2241788Y (en) | Low-noise liquid control system for double cylinder single-purpose pump | |
| CN209124992U (en) | A kind of cutter | |
| CN218093716U (en) | Linear driving cylinder | |
| CN202037368U (en) | Section bar cutting mechanism | |
| CN101385990B (en) | Pusher mechanism at feeding site of crusher | |
| CN204912906U (en) | Special high efficiency cutting device of alloy rod | |
| CN212443424U (en) | Gantry shear no-load high-speed follow-up hydraulic system and gantry shear hydraulic system | |
| CN212495639U (en) | Efficient hydraulic system of gantry shearing machine and gantry shearing machine | |
| CN113374746B (en) | Synchronous continuous conveying drill rod hydraulic system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |