CN110541405B - Oil cylinder end connecting device of double-cylinder back-pulling hydraulic machine - Google Patents
Oil cylinder end connecting device of double-cylinder back-pulling hydraulic machine Download PDFInfo
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- CN110541405B CN110541405B CN201910823838.3A CN201910823838A CN110541405B CN 110541405 B CN110541405 B CN 110541405B CN 201910823838 A CN201910823838 A CN 201910823838A CN 110541405 B CN110541405 B CN 110541405B
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- cylinder
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- bottom plate
- pull hydraulic
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- 210000000481 breast Anatomy 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/40—Swinging or turning gates
- E02B7/42—Gates of segmental or sector-like shape with horizontal axis
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Hinges (AREA)
Abstract
The invention discloses an end part connecting device of a cylinder end part of a double-cylinder back-pull hydraulic machine, which comprises a double-cylinder back-pull hydraulic machine cylinder and a downstream breast wall, wherein an L-shaped notch is formed in the downstream breast wall, secondary concrete is poured in the L-shaped notch, a cylindrical base is pre-buried in the secondary concrete, a supporting hinged support is fixedly connected to the cylindrical base, an end part hanging head at the rear end of the double-cylinder back-pull hydraulic machine cylinder is rotationally connected with the supporting hinged support through a pin roll, and the front end of the double-cylinder back-pull hydraulic machine cylinder is rotationally connected with an arc door. The double hanging plates are connected with the hanging heads at the end parts of the double-cylinder back-pull hydraulic press cylinder through the pin shafts, the rear parts of the double hanging plates are connected with the cylindrical base fixed in the second-stage concrete at the upper parts of the downstream breast walls through the double-end studs, and the width of the gate pier is not influenced by the supporting hinged support connected with the end parts of the double-cylinder back-pull hydraulic press cylinder, so that the civil engineering investment is not influenced, and the technical economy is good.
Description
Technical Field
The invention relates to an end connecting device for an oil cylinder of a double-cylinder back-pull hydraulic machine, and belongs to the technical field of water and electricity hydraulic engineering.
Background
For the overflow surface hole arc door operated by the double-cylinder back-pull hydraulic machine, an inclined support arm structure is generally adopted, the interference of a hydraulic cylinder and the inclined support arm is considered in the operation process of a gate, a support hinged seat connected with the end part of the cylinder is generally buried in the inner side of a gate pier, but for the dam top structure with the rear end of the overflow surface hole arc door being a breast wall, a plurality of overflow surface hole arc doors are in a straight support arm structure, arc door support hinges are symmetrically arranged on the breast wall, the center position of the support hinged seat connected with the end part of the cylinder is relatively close after the breast wall is inclined upwards, the installation space of the support hinged seat connected with the end part of the cylinder is sometimes small, the installation is inconvenient, the support hinged seat connected with the end part of the cylinder is arranged in the width direction of the gate pier, the problem of enlarging the width of the middle pier for arranging the support hinged seat connected with the end part of the cylinder exists for the hydroelectric hydraulic engineering of arranging a plurality of overflow surface hole arc doors, the increase of the civil construction excavation amount and the concrete pouring amount is caused, and the economical efficiency is relatively poor, so the prior art is still imperfect.
Disclosure of Invention
The invention aims to provide an end connecting device for an oil cylinder of a double-cylinder back-pull hydraulic machine, which aims to overcome the defects in the prior art.
The technical scheme of the invention is as follows: the end part connecting device of the double-cylinder back-pull hydraulic press cylinder comprises a double-cylinder back-pull hydraulic press cylinder and a downstream breast wall, wherein an L-shaped notch is formed in the downstream breast wall, secondary concrete is poured in the L-shaped notch, a cylindrical base is embedded in the secondary concrete, a supporting hinged support is fixedly connected to the cylindrical base, an end part hanging head at the rear end of the double-cylinder back-pull hydraulic press cylinder is rotationally connected with the supporting hinged support through a pin shaft, and the front end of the double-cylinder back-pull hydraulic press cylinder is rotationally connected with an arc door.
Further, the supporting hinged support comprises a round bottom plate and two hanging plates symmetrically arranged on the round bottom plate, screw holes are uniformly distributed on the round bottom plate, and reinforcing ribs are arranged between the two hanging plates and between the hanging plates and the round bottom plate.
Furthermore, the round bottom plate, the two hanging plates and the reinforcing ribs are of a cast integrated structure.
Further, the cylindrical base comprises an outer cylinder body and an inner cylinder body, a group of reinforcing plates are uniformly welded between the outer cylinder body and the inner cylinder body, round supporting plates are welded at the end parts of the outer cylinder body and the inner cylinder body, positioning rings are welded on the round supporting plates, and screw holes corresponding to the round bottom plates are formed in the round supporting plates.
Furthermore, the inner diameter of the positioning ring is in clearance fit with the outer diameter of the circular bottom plate, and the circular bottom plate is fixedly connected with the circular supporting plate through a double-end stud.
Furthermore, the side wall of the outer cylinder body is provided with a mounting hole.
By adopting the technical scheme, the invention has the advantages that: the support hinged support is formed by casting the two hanging plates, the round bottom plate and the reinforcing ribs into a one-step formed integral structure, so that deformation and thermal stress caused by welding are avoided, and the quality of the support hinged support is guaranteed; the double hanging plates are connected with the hanging heads at the end parts of the double-cylinder back-pull hydraulic press cylinder through pin shafts, the rear parts of the double hanging plates are connected with a cylindrical base fixed in second-stage concrete at the upper parts of the downstream breast walls through double-end studs, and the width of a gate pier is not influenced by the supporting hinged support connected with the end parts of the double-cylinder back-pull hydraulic press cylinder because the supporting hinged support connected with the end parts of the double-cylinder back-pull hydraulic press cylinder is fixed on the downstream breast walls, so that the civil engineering investment is not influenced, and the cylindrical base is provided with a positioning ring which is convenient for positioning the supporting hinged support and can ensure that the double-end studs do not bear shearing force; the outer cylinder body is provided with a mounting hole corresponding to the position of the stud, so that the stud can be conveniently mounted; in addition, the first-stage concrete on the upper part of the downstream breast wall is left with an L-shaped notch, so that the cylindrical base and the second-stage concrete can be conveniently poured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the structure of the bearing hinge base of the present invention;
FIG. 4 is a B-B cross-sectional view of FIG. 3;
FIG. 5 is a cross-sectional view of C-C of FIG. 3;
FIG. 6 is a schematic view of a cylindrical base in accordance with the present invention;
FIG. 7 is a left side view of FIG. 6;
fig. 8 is a D-D cross-sectional view of fig. 6.
Reference numerals illustrate: 1-double-cylinder back-pull hydraulic press oil cylinder, 2-support hinged support, 3-pin shaft, 4-end hanging head, 5-double-end stud, 6-downstream breast wall, 7-second-period concrete, 8-cylinder base, 9-hanging plate, 10-round bottom plate, 11-reinforcing rib, 12-screw hole, 13-L-shaped notch, 14-positioning ring, 15-round support plate, 16-outer cylinder, 17-inner cylinder, 18-reinforcing plate and 19-mounting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples.
Embodiments of the invention: the structure schematic diagram of the end connecting device of the double-cylinder rear-pulling hydraulic press cylinder is shown in fig. 1-2, the end connecting device comprises a double-cylinder rear-pulling hydraulic press cylinder 1 and a downstream breast wall 6, an L-shaped notch 13 is formed in the downstream breast wall 6, secondary concrete 7 is poured in the L-shaped notch 13, a cylindrical base 8 is embedded in the secondary concrete 7, a supporting hinged support 2 is fixedly connected to the cylindrical base 8, an end hanging head 4 at the rear end of the double-cylinder rear-pulling hydraulic press cylinder 1 is rotationally connected with the supporting hinged support 2 through a pin shaft 3, and the front end of the double-cylinder rear-pulling hydraulic press cylinder 1 is rotationally connected with an arc door.
Referring to fig. 3 to 5, the supporting hinged support 2 comprises a circular bottom plate 10 and two hanging plates 9 symmetrically arranged on the circular bottom plate 10, screw holes 12 are uniformly distributed on the circular bottom plate 10, and reinforcing ribs 11 are arranged between the two hanging plates 9 and between the hanging plates 9 and the circular bottom plate 10; the round bottom plate 10, the two hanging plates 9 and the reinforcing ribs 11 are of a cast integral structure.
Referring to fig. 6 to 8, the cylindrical base 8 includes an outer cylinder 16 and an inner cylinder 17, a set of reinforcing plates 18 are uniformly welded between the outer cylinder 16 and the inner cylinder 17, a circular support plate 15 is welded at the ends of the outer cylinder 16 and the inner cylinder 17, a positioning ring 14 is welded on the circular support plate 15, and screw holes 12 corresponding to the circular bottom plate 10 are formed on the circular support plate 15. The inner diameter of the positioning ring 14 is in clearance fit with the outer diameter of the circular bottom plate 10, and the circular bottom plate 10 is fixedly connected with the circular supporting plate 15 through the stud 5. The side wall of the outer cylinder 16 is provided with a mounting hole 19, and the stud 5 is conveniently mounted through the mounting hole 19.
The support hinged support 2 is formed by casting the two hanging plates 9, the round bottom plate 10 and the reinforcing ribs 11 into a one-step formed integral structure, so that deformation and thermal stress caused by welding are avoided, and the quality of the support hinged support 2 is guaranteed; the two hanging plates 9 are connected with the hanging heads 4 at the end parts of the double-cylinder back-pull hydraulic press cylinder 1 through the pin shafts 3, the rear parts of the hanging plates are connected with the cylindrical base 8, which is fixed in the second-stage concrete 7, at the upper parts of the downstream breast walls 6 through the double-end studs 5, the supporting hinged support 2 connected with the end parts of the double-cylinder back-pull hydraulic press cylinder 1 is fixed on the downstream breast walls 6, the width of the gate pier is not influenced by the supporting hinged support 2 connected with the end parts of the double-cylinder back-pull hydraulic press cylinder 1, the civil engineering investment is not influenced, and the positioning rings 14 are arranged on the cylindrical base 8, so that the supporting hinged support 2 is positioned conveniently and the double-end studs 5 can not bear shearing force; the outer cylinder 16 is provided with mounting holes 19 corresponding to the positions of the studs 5, so that the studs 5 can be conveniently mounted; in addition, the first-stage concrete on the upper part of the downstream breast wall 6 is reserved with an L-shaped notch 13, so that the cylindrical base 8 and the second-stage concrete 7 can be conveniently poured.
Claims (4)
1. The utility model provides a double-cylinder back-pull type hydraulic press hydro-cylinder end connection device, includes double-cylinder back-pull type hydraulic press hydro-cylinder (1) and low reaches breast wall (6), its characterized in that: an L-shaped notch (13) is formed in the downstream breast wall (6), secondary concrete (7) is poured in the L-shaped notch (13), a cylindrical base (8) is pre-buried in the secondary concrete (7), a supporting hinged support (2) is fixedly connected to the cylindrical base (8), an end hanging head (4) at the rear end of the double-cylinder back-pull hydraulic press cylinder (1) is rotationally connected with the supporting hinged support (2) through a pin shaft (3), and the front end of the double-cylinder back-pull hydraulic press cylinder (1) is rotationally connected with an arc door; the support hinged support (2) comprises a circular bottom plate (10) and two hanging plates (9) symmetrically welded on the circular bottom plate (10), screw holes (12) are uniformly distributed on the circular bottom plate (10), and reinforcing ribs (11) are arranged between the two hanging plates (9) and between the hanging plates (9) and the circular bottom plate (10); the cylindrical base (8) comprises an outer cylinder body (16) and an inner cylinder body (17), a group of reinforcing plates (18) are uniformly welded between the outer cylinder body (16) and the inner cylinder body (17), round supporting plates (15) are welded at the ends of the outer cylinder body (16) and the inner cylinder body (17), positioning rings (14) are welded on the round supporting plates (15), and screw holes (12) corresponding to the round bottom plates (10) are formed in the round supporting plates (15).
2. The cylinder end connecting device of a double-cylinder back-pull hydraulic machine according to claim 1, wherein: the round bottom plate (10), the two hanging plates (9) and the reinforcing ribs (11) are of a cast integrated structure.
3. The cylinder end connecting device of a double-cylinder back-pull hydraulic machine according to claim 2, wherein: the inner diameter of the positioning ring (14) is in clearance fit with the outer diameter of the circular bottom plate (10), and the circular bottom plate (10) is fixedly connected with the circular supporting plate (15) through the double-end stud (5).
4. The cylinder end connecting device of a double-cylinder back-pull hydraulic machine according to claim 2, wherein: and the side wall of the outer cylinder body (16) is provided with a mounting hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910823838.3A CN110541405B (en) | 2019-09-02 | 2019-09-02 | Oil cylinder end connecting device of double-cylinder back-pulling hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910823838.3A CN110541405B (en) | 2019-09-02 | 2019-09-02 | Oil cylinder end connecting device of double-cylinder back-pulling hydraulic machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110541405A CN110541405A (en) | 2019-12-06 |
| CN110541405B true CN110541405B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910823838.3A Active CN110541405B (en) | 2019-09-02 | 2019-09-02 | Oil cylinder end connecting device of double-cylinder back-pulling hydraulic machine |
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| CN (1) | CN110541405B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742164A (en) * | 1993-07-30 | 1995-02-10 | Suupaa Tool:Kk | Pillar erection execution method and pillar bottom support device |
| CN206143728U (en) * | 2016-08-25 | 2017-05-03 | 中国电建集团贵阳勘测设计研究院有限公司 | Double -cylinder suspension type hydraulic press hydro -cylinder bearing bury structure underground |
| CN107587486A (en) * | 2017-10-11 | 2018-01-16 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of attachment structure of high narrower bore oral thermometer radial door and hydraulic press |
| CN109371926A (en) * | 2018-12-10 | 2019-02-22 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of rear pull type hydraulic press branch free bearing structure |
| CN209307972U (en) * | 2018-12-10 | 2019-08-27 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of rear pull type hydraulic press branch free bearing structure |
| CN210621640U (en) * | 2019-09-02 | 2020-05-26 | 中国电建集团贵阳勘测设计研究院有限公司 | Oil cylinder end connecting mechanism of double-cylinder rear-pull type hydraulic press |
-
2019
- 2019-09-02 CN CN201910823838.3A patent/CN110541405B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742164A (en) * | 1993-07-30 | 1995-02-10 | Suupaa Tool:Kk | Pillar erection execution method and pillar bottom support device |
| CN206143728U (en) * | 2016-08-25 | 2017-05-03 | 中国电建集团贵阳勘测设计研究院有限公司 | Double -cylinder suspension type hydraulic press hydro -cylinder bearing bury structure underground |
| CN107587486A (en) * | 2017-10-11 | 2018-01-16 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of attachment structure of high narrower bore oral thermometer radial door and hydraulic press |
| CN109371926A (en) * | 2018-12-10 | 2019-02-22 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of rear pull type hydraulic press branch free bearing structure |
| CN209307972U (en) * | 2018-12-10 | 2019-08-27 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of rear pull type hydraulic press branch free bearing structure |
| CN210621640U (en) * | 2019-09-02 | 2020-05-26 | 中国电建集团贵阳勘测设计研究院有限公司 | Oil cylinder end connecting mechanism of double-cylinder rear-pull type hydraulic press |
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| CN110541405A (en) | 2019-12-06 |
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