CN107152010B - Improvement method of oil cylinder suspension device and detachable oil cylinder suspension device - Google Patents
Improvement method of oil cylinder suspension device and detachable oil cylinder suspension device Download PDFInfo
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- CN107152010B CN107152010B CN201610120043.2A CN201610120043A CN107152010B CN 107152010 B CN107152010 B CN 107152010B CN 201610120043 A CN201610120043 A CN 201610120043A CN 107152010 B CN107152010 B CN 107152010B
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- oil cylinder
- pier
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- 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
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses an improvement method of an oil cylinder suspension device and a detachable oil cylinder suspension device, which are characterized in that the existing integral oil cylinder suspension device is changed into the detachable oil cylinder suspension device; the detachable oil cylinder suspension device comprises a support component pre-buried in the gate pier and a connecting component for connecting the support component and the oil cylinder component; an asphalt cushion layer is arranged at the joint of the supporting component and the gate pier; the support component is provided with a group of connecting round holes uniformly distributed along the circumference, the connecting component is provided with a group of oblong holes corresponding to the positions of the connecting round holes, and the oblong holes are connected with the connecting round holes through bolts and nuts; the fine adjustment of the supporting position of the suspension point of the oil cylinder is realized through the adjustment of the fixing positions of the oblong hole and the connecting round hole; or to facilitate replacement of a rusted damaged connection assembly. According to the invention, the center position of the lifting lug can be adjusted by loosening the bolts on site and rotating the outer supporting steel cylinder of the connecting assembly, so that the installation error is compensated. The secondary concrete is not required to be chiseled when the concrete is replaced or overhauled, and the maintenance and the overhauling are very convenient.
Description
Technical Field
The invention relates to an improvement method of an oil cylinder suspension device and a detachable oil cylinder suspension device, and belongs to the technical field of hydraulic and hydroelectric engineering gates.
Background
In the hydraulic and hydroelectric engineering, a spillway, an overflow dam, a dam body surface hole and a flood discharge gate arc-shaped working gate are generally operated by adopting a double-cylinder suspension hydraulic machine. At present, a cylinder suspension device of a double-cylinder suspension hydraulic machine generally adopts a cylinder integral structure, a large number of annular lacing wires facing the inside of a gate pier are arranged on a cylinder outer ring, and then secondary concrete is poured for fixation, and because two cylinder supporting centers have the requirement of installation precision, the height difference of the suspension center is within +/-0.5 mm according to the manufacturing installation and acceptance specification of hydraulic and hydroelectric engineering headstock gear (SL 381-2007), and the two cylinder suspension devices are embedded in the gate piers at two sides, so that the difficulty of secondary adjustment is very large if deviation occurs after concrete pouring. In addition, if rust or damage occurs to the exposed part of the oil cylinder suspension device, secondary concrete needs to be chiseled out, and the oil cylinder suspension device is removed entirely for replacement, so that the replacement difficulty is too high, and the prior art is still not perfect.
Disclosure of Invention
The invention aims to provide an improved method of an oil cylinder suspension device and a detachable oil cylinder suspension device, so as to solve the problems that the existing oil cylinder suspension device cannot adjust a suspension center and is difficult to replace, and further overcome the defects in the prior art.
The technical scheme of the invention is as follows:
the invention relates to an improved method of an oil cylinder suspension device, which is characterized in that the existing integral oil cylinder suspension device is changed into a detachable oil cylinder suspension device; the detachable oil cylinder suspension device comprises a support component pre-buried in the gate pier and a connecting component for connecting the support component and the oil cylinder component; an asphalt cushion layer is arranged at the joint of the supporting component and the gate pier; the support component is provided with a group of connecting round holes uniformly distributed along the circumference, the connecting component is provided with a group of oblong holes corresponding to the positions of the connecting round holes, and the oblong holes are connected with the connecting round holes through bolts and nuts; the fine adjustment of the supporting position of the suspension point of the oil cylinder is realized through the adjustment of the fixing positions of the oblong hole and the connecting round hole; or to facilitate replacement of a rusted damaged connection assembly.
In the improvement method, the support assembly comprises an edge pier support assembly pre-buried in the edge pier and a middle pier support assembly pre-buried in the middle pier, and one end of the edge pier support assembly is connected with the connecting assembly through bolts and nuts; both ends of the middle pier supporting component are connected with the connecting component through bolts and nuts.
In the improved method, the supporting component and the connecting component are in clearance fit and are fixedly connected through bolts and nuts.
The detachable hydro-cylinder suspension device comprises a support component pre-buried in a gate pier and a connecting component for connecting the support component and the hydro-cylinder component; an asphalt cushion layer is arranged at the joint of the supporting component and the gate pier; the supporting assembly comprises a supporting outer cylinder and a supporting inner cylinder, the supporting outer cylinder is connected with the supporting inner cylinder through a supporting web, and a group of connecting round holes uniformly distributed along the circumference are formed in the supporting inner cylinder; the connecting assembly comprises a connecting outer cylinder, a group of oblong holes corresponding to the positions of the connecting circular holes are formed in the connecting outer cylinder, and the oblong holes are connected with the connecting circular holes in the supporting inner cylinder through bolts and nuts; a connecting inner cylinder is arranged in the connecting outer cylinder and is connected through a supporting ring plate, one end of the connecting inner cylinder is provided with a double lifting lug plate, and the double lifting lug plate is hinged with a lifting lug on the oil cylinder assembly through a pin shaft; the pin shaft is fixedly connected with the lifting lug through a bolt.
In the detachable oil cylinder suspension device, the gate pier comprises a side pier and a middle pier; the support component embedded in the side pier is a side pier support component, one end of the side pier support component is connected with the connecting component, and the other end of the side pier support component is sealed through a sealing plate; the support component pre-buried in the middle pier is a middle pier support component; both ends of the middle pier supporting component are connected with the connecting component.
In the detachable hydro-cylinder linkage, the inner wall of the supporting inner cylinder is in clearance fit with the outer wall of the connecting outer cylinder and is fixedly connected with the connecting outer cylinder through bolts and nuts.
In the detachable oil cylinder suspension device, the inner supporting cylinder and the supporting web are provided with the overhaul holes.
In the detachable oil cylinder suspension device, the inner wall of the supporting inner cylinder is provided with the limiting ring, and the inner side of the limiting ring is provided with a group of rib plates uniformly distributed along the circumference.
In the detachable oil cylinder suspension device, the double lifting lug plates are provided with pin shaft holes; the lifting lugs on the oil cylinders are positioned between the double lifting lug plates and are hinged with the double lifting lug plates through pin shafts; a threaded hole is formed in one connecting lifting lug plate outside the double lifting lug plate; the shoulder at one end of the pin shaft is provided with a bolt hole.
In the detachable oil cylinder suspension device, a reinforcing plate and a reinforcing ring plate are arranged in the connecting inner cylinder; reinforcing ribs which are uniformly distributed along the circumference are arranged on both sides of the reinforcing plate and the supporting ring plate connected with the inner cylinder; the reinforcing plate corresponds to the supporting ring plate in position; the reinforcing ring plate corresponds to the double lifting lug plate in position.
Compared with the prior art, the invention has the following beneficial effects:
1. the detachable oil cylinder suspension device is formed by connecting a support component and a connecting component through bolts, wherein: the supporting component is arranged in the gate pier, the inner side of the supporting inner cylinder of the supporting component is matched with a long round hole, the inner side of the supporting inner cylinder is connected with the outer side of a connecting outer cylinder of the connecting component through a bolt, a double lifting lug plate is arranged at the lower part of the outer side of the connecting outer cylinder and connected with lifting lugs on the oil cylinder component through a pin shaft, under the condition that the mounting precision of the supporting component cannot meet the standard requirement, a bolt can be loosened on site, the connecting outer cylinder is rotated to adjust the central position of the double lifting lug plate, the mounting error is compensated, and the bolt hole matched with the drilling of the connecting outer cylinder is the long round hole, so that the bolt can be fastened again after the connecting outer cylinder is rotated; in addition, if rust or damage occurs to the exposed part of the oil cylinder connecting assembly, secondary concrete does not need to be chiseled out, the whole oil cylinder hanging device is removed for replacement, the connecting assembly can be removed only after bolts are removed, and maintenance and overhaul are very convenient.
2. The outer end of the pin shaft is provided with a shaft shoulder, the shaft shoulder is arranged on the center side of the gate hole, the shaft shoulder and the lifting lug plate on the center side of the gate hole are uniformly distributed with drilling threaded holes along the circumference, the center of the shaft shoulder is provided with a hanging ring, the pin shaft is favorable for assembling, after the lifting lug of the oil cylinder assembly and the pin shaft are installed in place, the pin shaft is fixed on the threaded holes of the lifting lug plate by using bolts, and the bolts adopt inner hexagonal countersunk bolts.
3. The annular asphalt cushion layer is arranged at the contact part of the support assembly and the concrete, so that a cushion layer is arranged between the oil cylinder supporting device and the concrete, the local bearing stress between the oil cylinder supporting device and the concrete is reduced, and the cracking of the concrete is effectively prevented.
4. And a manhole is arranged on a supporting web plate between the supporting outer cylinder and the supporting inner cylinder of the supporting assembly, so that the bolt for connecting the supporting outer cylinder and the supporting inner cylinder is convenient to assemble and disassemble.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a view A-A of FIG. 1;
FIG. 3 is a schematic view of a detachable hydro-cylinder suspension arrangement;
FIG. 4 is a schematic illustration of the placement of the present invention on a dam.
The labels in the figures are: 1-bolts, 2-nuts, 3-asphalt mat, 4-rib plates, 10-supporting components, 11-supporting outer cylinders, 12-supporting inner cylinders, 13-supporting webs, 14-connecting round holes, 15-overhaul holes, 16-limiting rings, 17-side pier supporting components, 18-middle pier supporting components, 19-sealing plates, 20-connecting components, 21-connecting outer cylinders, 22-connecting inner cylinders, 23-oblong holes, 24-supporting annular plates, 25-double lifting lug plates, 26-pin holes, 27-threaded holes, 28-reinforcing plates, 29-reinforcing annular plates, 30-reinforcing ribs, 40-oil cylinder components, 41-lifting lugs, 50-gate piers, 51-side piers, 52-middle piers, 60-pin shafts, 61-shaft shoulders, 62-bolt holes, 63-lifting rings and 70-detachable oil cylinder hanging devices.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples, but is not intended to be limiting in any way.
The invention relates to an improved method of a hydro-cylinder suspension device, as shown in fig. 1 and 2, which is to modify the existing integral hydro-cylinder suspension device into a detachable hydro-cylinder suspension device; the detachable oil cylinder suspension device comprises a support component pre-buried in the gate pier and a connecting component for connecting the support component and the oil cylinder component; an asphalt cushion layer is arranged at the joint of the supporting component and the gate pier; the support component is provided with a group of connecting round holes uniformly distributed along the circumference, the connecting component is provided with a group of oblong holes corresponding to the positions of the connecting round holes, and the oblong holes are connected with the connecting round holes through bolts and nuts; the fine adjustment of the supporting position of the suspension point of the oil cylinder is realized through the adjustment of the fixing positions of the oblong hole and the connecting round hole; or to facilitate replacement of a rusted damaged connection assembly. The support assembly comprises an edge pier support assembly pre-buried in the edge pier and a middle pier support assembly pre-buried in the middle pier, and one end of the edge pier support assembly is connected with the connecting assembly through bolts and nuts; both ends of the middle pier supporting component are connected with the connecting component through bolts and nuts. The supporting component and the connecting component are in clearance fit and are fixedly connected through bolts and nuts.
A detachable hydro-cylinder suspension arrangement of the invention constructed in accordance with the above-described method is shown in fig. 1 and 2: the hydraulic control device comprises a supporting component 10 and a connecting component 20, wherein the supporting component 10 is embedded in a gate pier 50, and the connecting component 20 is used for connecting the supporting component 10 and an oil cylinder component 40; the joint of the supporting component 10 and the gate pier 50 is provided with an asphalt cushion layer 3; the supporting component 10 is shown in fig. 3, and comprises a supporting outer cylinder 11 and a supporting inner cylinder 12, wherein the supporting outer cylinder 11 is connected with the supporting inner cylinder 12 through a supporting web 13, and a group of connecting round holes 14 uniformly distributed along the circumference are formed in the supporting inner cylinder 12; the connecting assembly 20 is shown in fig. 3, and comprises a connecting outer cylinder 21, wherein a group of oblong holes 23 corresponding to the positions of the connecting round holes 14 are formed in the connecting outer cylinder 21, and the oblong holes 23 are connected with the connecting round holes 14 on the supporting inner cylinder 12 through bolts 1 and nuts 2; the connecting outer cylinder 21 is internally provided with a connecting inner cylinder 22, the connecting inner cylinder 22 is connected through a supporting ring plate 24, one end of the connecting inner cylinder 22 is provided with a double lifting lug plate 25, and the double lifting lug plate 25 is hinged with a lifting lug 41 on the oil cylinder assembly 40 through a pin shaft 60; the pin 60 is fixedly connected with the lifting lug 41 through a bolt 1. As shown in fig. 2, the gate pier 50 includes a side pier 51 and a middle pier 52; the support assembly 10 pre-buried in the side pier 51 is a side pier support assembly 17, one end of the side pier support assembly 17 is connected with the connecting assembly 20, and the other end is sealed by the sealing plate 19; the support assembly 10 pre-buried in the middle pier 52 is the middle pier support assembly 18; the center pier support assembly 18 is connected at both ends to the connection assembly 20. The inner wall of the supporting inner cylinder 12 is in clearance fit with the outer wall of the connecting outer cylinder 21 and is fixedly connected with the connecting outer cylinder through the bolts 1 and the nuts 2. The inner support cylinder 12 and the support web 13 are provided with access holes 15. The inner wall of the supporting inner cylinder 12 is provided with a limiting ring 16, and the inner side of the limiting ring 16 is provided with a group of rib plates 4 uniformly distributed along the circumference. The double lifting lug plate 25 is provided with a pin shaft hole 26; lifting lugs 41 on the oil cylinders 40 are positioned between the double lifting lug plates 25 and hinged with the double lifting lug plates 25 through pin shafts 60; a threaded hole 27 is arranged on one connecting lug plate outside the double-lug plate 25; a bolt hole 62 is arranged on a shaft shoulder 61 at one end of the pin shaft 60. A reinforcing plate 28 and a reinforcing ring plate 29 are arranged in the connecting inner cylinder 22; reinforcing ribs 30 uniformly distributed along the circumference are arranged on both sides of the reinforcing plate 28 and the supporting ring plate 24 connected with the inner cylinder 22; the reinforcing plate 28 corresponds to the position of the support ring plate 24; the reinforcing ring plate 29 corresponds to the position of the double shackle plate 25.
Examples
In the concrete implementation, the supporting component 10 is pre-embedded in the gate pier 50, and the asphalt cushion layer 10 is arranged at the contact part of the supporting component 10 and the concrete of the gate pier 50. The support assembly 10 is connected with the connecting assembly 20 through the bolt 1 and the nut 2, and the lower end of the double lifting lug plate 25 at one end of the connecting assembly 20 is connected with the lifting lug 41 at the upper end of the oil cylinder assembly 40 through the pin shaft 60.
The support assembly 10 is divided into two types, an edge pier support assembly 17 and a center pier support assembly 18. One end of the side pier supporting component 17 is connected with the connecting component 20 through a bolt 1 and a nut 2; the bolts 1 and nuts 2 at both ends of the middle pier supporting assembly 18 are connected with the connecting assembly 20. The side pier supporting component 17 and the middle pier supporting component 18 comprise a supporting outer cylinder 11 and a supporting inner cylinder 12, and the supporting outer cylinder 11 and the supporting inner cylinder 12 are welded into a whole through two supporting webs 13. The inner support cylinder 12 and the two support webs 13 are respectively provided with a manhole 15, and an operator can enter the support assembly 10 through the manhole 15 to install or detach. The inner wall of the supporting inner cylinder 12 is provided with a limiting ring 16, and a group of rib plates 4 are annularly and uniformly distributed on the inner side of the limiting ring 16. The side pier supporting component 17 has basically the same structure as the middle pier supporting component 18, except that the two ends of the middle pier supporting component 18 are provided with connecting round holes 14 which can be connected with the connecting component 20; while only one end of the side pier supporting component 17 is provided with a connecting round hole 14 which can be connected with a connecting component 20, and the other end is sealed and welded by a sealing plate 19.
The connecting assembly 20 comprises a connecting outer cylinder 21 and a connecting inner cylinder 22, and the connecting outer cylinder 21 and the connecting inner cylinder 22 are welded into a whole through a supporting ring plate 24; a group of oblong holes 23 are uniformly distributed on the connecting outer barrel 21 along the circumference, and the oblong holes 23 are matched with the connecting round holes 14 on the supporting component. A pair of double lifting lug plates 25 are welded at the bottom of one end of the connecting inner cylinder 22 extending out of the connecting outer cylinder 21, pin shaft holes 26 are formed in the double lifting lug plates 25, and lifting lugs 41 at the top of the oil cylinder assembly 40 are hinged with the pin shaft holes 26 through pin shafts 60; the outer end of the pin shaft 60 is provided with a shaft shoulder 61, the shaft shoulder 61 is arranged on the center side of the brake hole and is uniformly distributed with the drilling threaded holes 27 along the circumference with one lug plate in the double-lug plate 25 on the center side of the brake hole, and the center of the shaft shoulder 61 is provided with a hanging ring 63. The pin 60 is fixed to one of the double shackle plates 25 on the center side of the brake hole by the bolt 1.
The inner wall of the connecting inner cylinder 22 is provided with a reinforcing plate 28 corresponding to the central position of the supporting ring plate 24. A reinforcing ring plate 29 corresponding to the center position of the double shackle plate 25 is also provided. Reinforcing ribs 30 are annularly and uniformly distributed on two sides of the reinforcing plate 28 and the reinforcing ring plate 29. The operator can access the connection assembly 20 through the central hole of the reinforcing ring plate 29 for operation during installation or removal.
FIG. 4 is a schematic diagram of the application position of the present invention on a dam. The removable cylinder suspension unit of the present invention is shown generally at 70.
Claims (8)
1. An improved method of a suspension device for an oil cylinder is characterized in that: the method is to change the existing integral oil cylinder suspension device into a detachable oil cylinder suspension device; the detachable oil cylinder suspension device comprises a support component pre-buried in the gate pier and a connecting component for connecting the support component and the oil cylinder component; an asphalt cushion layer is arranged at the joint of the supporting component and the gate pier; the support component is provided with a group of connecting round holes uniformly distributed along the circumference, the connecting component is provided with a group of oblong holes corresponding to the positions of the connecting round holes, and the oblong holes are connected with the connecting round holes through bolts and nuts; the fine adjustment of the supporting position of the suspension point of the oil cylinder is realized through the adjustment of the fixing positions of the oblong hole and the connecting round hole; or a connection assembly that facilitates replacement of rust damage; the support assembly comprises a support outer cylinder and a support inner cylinder, the support outer cylinder and the support inner cylinder are connected through a support web, a group of connecting round holes which are uniformly distributed along the circumference are formed in the support inner cylinder, the connecting assembly comprises a connecting outer cylinder, a group of oblong holes which correspond to the positions of the connecting round holes are formed in the connecting outer cylinder, and the oblong holes are connected with the connecting round holes in the support inner cylinder through bolts and nuts; a connecting inner cylinder is arranged in the connecting outer cylinder and is connected through a supporting ring plate, one end of the connecting inner cylinder is provided with a double lifting lug plate, and the double lifting lug plate is hinged with a lifting lug on the oil cylinder assembly through a pin shaft; the pin shaft is fixedly connected with the lifting lug through a bolt.
2. The method of retrofitting a cylinder suspension assembly of claim 1 wherein: the support assembly comprises an edge pier support assembly pre-buried in the edge pier and a middle pier support assembly pre-buried in the middle pier, and one end of the edge pier support assembly is connected with the connecting assembly through bolts and nuts; both ends of the middle pier supporting component are connected with the connecting component through bolts and nuts.
3. The method of retrofitting a cylinder suspension assembly of claim 1 wherein: the supporting component and the connecting component are in clearance fit and are fixedly connected through bolts and nuts.
4. A removable cylinder suspension unit constructed according to the method of any one of claims 1-3, wherein: comprises a supporting component (10) pre-buried in a gate pier (50) and a connecting component (20) for connecting the supporting component (10) with an oil cylinder component (40); an asphalt cushion layer (3) is arranged at the joint of the supporting component (10) and the gate pier (50); the supporting assembly (10) comprises a supporting outer cylinder (11) and a supporting inner cylinder (12), the supporting outer cylinder (11) is connected with the supporting inner cylinder (12) through a supporting web (13), and a group of connecting round holes (14) which are uniformly distributed along the circumference are formed in the supporting inner cylinder (12); the connecting assembly (20) comprises a connecting outer cylinder (21), a group of oblong holes (23) corresponding to the positions of the connecting round holes (14) are formed in the connecting outer cylinder (21), and the oblong holes (23) are connected with the connecting round holes (14) on the supporting inner cylinder (12) through bolts (1) and nuts (2); a connecting inner cylinder (22) is arranged in the connecting outer cylinder (21), the connecting inner cylinder (22) is connected through a supporting ring plate (24), one end of the connecting inner cylinder (22) is provided with a double lifting lug plate (25), and the double lifting lug plate (25) is hinged with a lifting lug (41) on the oil cylinder assembly (40) through a pin shaft (60); the pin shaft (60) is fixedly connected with the lifting lug (41) through the bolt (1); the inner wall of the supporting inner cylinder (12) is in clearance fit with the outer wall of the connecting outer cylinder (21), and is fixedly connected with the nut (2) through the bolt (1); and the inner support cylinder (12) and the support web (13) are respectively provided with a manhole (15).
5. The detachable hydro-cylinder suspension arrangement of claim 4, wherein: the gate pier (50) comprises a side pier (51) and a middle pier (52); the support assembly (10) pre-buried in the side pier (51) is a side pier support assembly (17), one end of the side pier support assembly (17) is connected with the connecting assembly (20), and the other end is sealed by the sealing plate (19); the support assembly (10) pre-buried in the middle pier (52) is a middle pier support assembly (18); both ends of the middle pier supporting component (18) are connected with the connecting component (20).
6. The detachable hydro-cylinder suspension arrangement of claim 4, wherein: the inner wall of the supporting inner cylinder (12) is provided with a limiting ring (16), and the inner side of the limiting ring (16) is provided with a group of rib plates (4) uniformly distributed along the circumference.
7. The detachable hydro-cylinder suspension arrangement of claim 4, wherein: the double lifting lug plate (25) is provided with a pin shaft hole (26); lifting lugs (41) on the oil cylinder assembly (40) are positioned between the double lifting lug plates (25) and hinged with the double lifting lug plates (25) through pin shafts (60); a threaded hole (27) is arranged on one connecting lug plate outside the double lifting lug plate (25); a bolt hole (62) is arranged on a shaft shoulder (61) at one end of the pin shaft (60).
8. The detachable hydro-cylinder suspension arrangement of claim 4, wherein: a reinforcing plate (28) and a reinforcing ring plate (29) are arranged in the connecting inner cylinder (22); reinforcing ribs (30) which are uniformly distributed along the circumference are arranged on both sides of the reinforcing plate (28) and the supporting ring plate (24) connected with the inner cylinder (22); the reinforcing plate (28) corresponds to the position of the supporting ring plate (24); the reinforcing ring plate (29) corresponds to the position of the double-lug plate (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120043.2A CN107152010B (en) | 2016-03-03 | 2016-03-03 | Improvement method of oil cylinder suspension device and detachable oil cylinder suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120043.2A CN107152010B (en) | 2016-03-03 | 2016-03-03 | Improvement method of oil cylinder suspension device and detachable oil cylinder suspension device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107152010A CN107152010A (en) | 2017-09-12 |
| CN107152010B true CN107152010B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610120043.2A Active CN107152010B (en) | 2016-03-03 | 2016-03-03 | Improvement method of oil cylinder suspension device and detachable oil cylinder suspension device |
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| CN (1) | CN107152010B (en) |
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| CN204875713U (en) * | 2015-08-21 | 2015-12-16 | 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 oil cylinder support hinge seat |
| CN205399354U (en) * | 2016-03-03 | 2016-07-27 | 中国电建集团贵阳勘测设计研究院有限公司 | Detachable oil cylinder suspension device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102619467A (en) * | 2011-01-31 | 2012-08-01 | 徐州徐工基础工程机械有限公司 | Longitudinal beam oil cylinder support for rotary drilling rig |
| US8876430B1 (en) * | 2011-05-26 | 2014-11-04 | J.F. Brennan Company, Inc. | Systems and methods for removal of trunnion pin sleeve and for supporting tainter gate during said removal |
| CN202139574U (en) * | 2011-07-15 | 2012-02-08 | 中国水电顾问集团贵阳勘测设计研究院 | Oil cylinder stiffening device for double-cylinder hanging hydraulic press |
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| Publication number | Publication date |
|---|---|
| CN107152010A (en) | 2017-09-12 |
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