CN216406821U - General type assembly structure of propulsion hydraulic cylinder - Google Patents
General type assembly structure of propulsion hydraulic cylinder Download PDFInfo
- Publication number
- CN216406821U CN216406821U CN202123170318.9U CN202123170318U CN216406821U CN 216406821 U CN216406821 U CN 216406821U CN 202123170318 U CN202123170318 U CN 202123170318U CN 216406821 U CN216406821 U CN 216406821U
- Authority
- CN
- China
- Prior art keywords
- shield
- hydraulic cylinder
- articulated
- cylinder
- propulsion
- 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
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a general assembly structure of a propelling hydraulic cylinder, which solves the technical problem that the propelling hydraulic cylinder cannot be used universally when an active articulated shield tunneling machine and a passive articulated shield tunneling machine are mutually converted. The shield tunneling machine comprises a propelling hydraulic cylinder, wherein a positioning groove is formed in a cylinder body of the propelling hydraulic cylinder, a detachable flange is arranged in a clamping fit with the positioning groove and comprises at least two splicing pieces, the inner walls of the splicing pieces are arc-shaped and are matched with the positioning groove, and when the propelling hydraulic cylinder is applied to the active articulated shield tunneling machine, the splicing pieces are detachably connected to the rear side of a partition plate at the rear part of the middle shield. The utility model can be used for an active articulated shield tunneling machine and a passive articulated shield tunneling machine, and has high interchangeability; higher economic benefit can be generated in the reconstruction project, and the fund is saved; the types of the oil cylinders of the shield tunneling machine propulsion system can be reduced, and the standardized design of the main machine scheme is facilitated; simple structure, convenient processing and manufacture, and convenient disassembly and assembly.
Description
Technical Field
The utility model relates to the technical field of a shield tunneling machine propelling hydraulic cylinder, in particular to a general assembling structure of a propelling hydraulic cylinder.
Background
The active propelling hydraulic cylinder of the existing active articulated shield tunneling machine and the passive propelling hydraulic cylinder of the existing passive articulated shield tunneling machine are completely different structural types: the middle shield of the active articulated shield machine comprises a middle shield front part and a middle shield rear part which are connected through an articulated hydraulic cylinder, the middle shield rear part is connected with an active tail shield through a flange, an active propulsion hydraulic cylinder is welded at the middle shield rear part and acts between the middle shield rear part and a duct piece, and the turning is convenient in the tunneling process; the middle shield of the passive articulated shield machine is of an integrated structure, the front part of the middle shield is fixedly connected with the front shield, the rear part of the middle shield is articulated with the tail shield through an articulated hydraulic cylinder, the front end of a passive propulsion hydraulic cylinder is connected to the front part of the middle shield, the rear end of the passive propulsion hydraulic cylinder is in butt joint with the duct piece, and although turning is inconvenient, the articulated oil cylinder is small and the cost is relatively low.
In the actual construction process, the shield machine is usually subjected to transformation treatment after the existing interval is excavated, and the core components on the shield machine before transformation are applied to the transformed shield machine to the maximum extent, so that the capital can be saved to the maximum extent. When the active articulated shield tunneling machine and the passive articulated shield tunneling machine are transformed mutually, due to the limitation of the structure, the active propulsion hydraulic cylinder and the passive propulsion cylinder cannot be used in common, and therefore the propulsion oil cylinder needs to be newly manufactured during transformation. When the two types of shield machines are mutually transformed, the pushing hydraulic cylinder needs to be newly manufactured, and the transformation cost is increased.
Through retrieval, the current chinese utility model patent of the date of the bulletin of granting 2021.11.02, the publication number of granting CN214577014U discloses a three-cylinder shield machine that can continuous operation, including front shield, tail shield, anterior hydro-cylinder, middle hydro-cylinder, rear portion hydro-cylinder and inner structure, be connected with anterior hydro-cylinder between front shield and the tail shield, inner structure is located the inside and can slide around it of tail shield, the tail end and the inner structure of middle hydro-cylinder are connected, the front end selectivity of middle hydro-cylinder is connected with front shield or tail shield, the connection of afterbody of inner structure has rear portion hydro-cylinder, the afterbody of rear portion hydro-cylinder supports on assembling the section of jurisdiction, anterior hydro-cylinder is as articulated hydro-cylinder, middle hydro-cylinder is used for advancing, rear portion hydro-cylinder is used for assembling the section of jurisdiction and impels. Although the technical scheme can meet the requirement of synchronous continuous tunneling operation of tunneling and splicing of the shield tunneling machine and can realize quick switching of active hinging and passive hinging, the structure of the existing shield is changed, and the structure and the process are relatively complex.
Chinese utility model patent with grant announcement date of 2020.10.27 and grant announcement number of CN211777439U discloses a structure of a passive articulated shield machine remanufacturing as an active articulated shield machine, comprising an articulated oil cylinder arranged between a front shield and a middle shield and a thrust oil cylinder arranged between the middle shield and a tail shield, wherein the articulated oil cylinder is positioned at the front part of the thrust oil cylinder. Similarly, the propelling cylinder for the passive articulated shield machine is applied to the active articulated shield machine by changing the structure of the shield machine.
Namely, when the active hinge joint and the passive hinge joint are mutually transformed in the prior art, the pushing hydraulic cylinder can be purchased again to meet the transformation requirement; or changing the shield structure: the articulated oil cylinder and the propulsion oil cylinder of the original active articulated shield machine are changed from parallel arrangement to series arrangement, and the articulated position is arranged at the front position. Therefore, it is necessary to design a general-purpose pushing hydraulic cylinder to meet the economic requirement of interconversion between the active articulated shield tunneling machine and the passive articulated shield tunneling machine.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a general assembly structure of a propelling hydraulic cylinder, which solves the technical problem that the propelling hydraulic cylinder cannot be used universally when an active articulated shield tunneling machine and a passive articulated shield tunneling machine are switched.
The technical scheme of the application is realized as follows: the utility model provides a general type assembly structure of propulsion pneumatic cylinder, includes propulsion pneumatic cylinder, be provided with the constant head tank on propulsion pneumatic cylinder's the cylinder body, be provided with the cooperation of constant head tank joint and dismantle the flange, can dismantle the flange and include two at least splices, the inner wall of splice be the arc and with the constant head tank adaptation, when the propulsion pneumatic cylinder is used on initiative articulated shield structure machine, the rear side of the baffle of connecting at well shield rear portion can be dismantled to the splice, pushes away the pneumatic cylinder top at the during operation, supports between baffle and section of jurisdiction through the splice, the splice passes through the constant head tank and realizes the axial stop with propulsion pneumatic cylinder. When the active articulated shield tunneling machine is required to be converted into the passive articulated shield tunneling machine, the splicing pieces are firstly detached from the partition plates, and then the splicing pieces are detached from the propulsion hydraulic cylinder; or when the propelling hydraulic cylinder is installed on the passive hinged shield machine, the detachable flange is still used and is arranged on the middle shield, and meanwhile, the detachable flange is in floating fit with the propelling hydraulic cylinder.
Furthermore, when the propelling hydraulic cylinder is applied to the passive hinged shield machine, an elastic piece for floating the propelling hydraulic cylinder is arranged between the inner wall of the splicing piece and the positioning groove, the propelling hydraulic cylinder realizes floating through the elastic piece, and meanwhile, the positioning groove arranged on the propelling hydraulic cylinder is utilized; the detachable flange is hinged with the passive middle shield, so that the floating effect is further enhanced.
Or when the propelling hydraulic cylinder is applied to the passive hinged shield tunneling machine, the limiting clamp is matched with the positioning groove, and an elastic part used for floating of the propelling hydraulic cylinder is arranged between the inner wall of the limiting clamp and the positioning groove. The use of the limiting clamp can meet the guiding requirement, simplify the structure, save the cost and reduce the weight. The limiting clamp is hinged with the passive middle shield, and the floating effect is further enhanced.
Further, the shield is connected with articulated seat in the passive form, spacing clamp links to each other with articulated seat is articulated, and the articulated shaft perpendicular to of articulated seat impels the direction of motion of hydraulic cylinder, and spacing clamp can be articulated seat rotation relatively, and then drives impel the hydraulic cylinder in a flexible way and realize that the axial floats.
Furthermore, the elastic part is a rubber ring or a rubber strip, and the floating of the propelling hydraulic cylinder can be realized.
Furthermore, the detachable flange is connected with the partition plate through bolts, and the bolt connection structure is high in strength and convenient to detach; the adjacent splicing pieces are detachably connected through pins or bolts or studs.
Furthermore, when the detachable flange comprises two splicing pieces, the splicing pieces are semi-annular, step parts are arranged at two ends of each splicing piece, the step parts of the two splicing pieces are mutually spliced and matched, and the step parts of the two splicing pieces are detachably connected through pins or bolts or studs.
Furthermore, the outer contour of the detachable flange is rectangular, bolt holes or unthreaded holes are formed in four corners of the detachable flange, fixing bolt holes corresponding to the bolt holes or the holes are formed in the partition plate, and the detachable flange is connected to the partition plate through bolts matched with the fixing bolt holes.
The beneficial effects of the utility model include:
1. the utility model can be used for an active articulated shield tunneling machine and a passive articulated shield tunneling machine, and has high interchangeability; higher economic benefit can be generated in the reconstruction project, and the fund is saved;
2. the types of the oil cylinders of the shield tunneling machine propulsion system can be reduced, and the standardized design of the main machine scheme is facilitated;
3. simple structure, convenient processing and manufacture, and convenient disassembly and assembly.
Drawings
In order to illustrate the embodiments of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a state diagram of the present invention applied to an active articulated shield tunneling machine;
FIG. 3 is a schematic structural view of example 2;
FIG. 4 is a partial cross-sectional view of FIG. 3;
FIG. 5 is a state diagram of the present invention applied to a passive articulated shield tunneling machine;
in the figure: 1-pushing hydraulic cylinder, 101-positioning groove;
2-detachable flange, 201-splice, 202-pin, 203-step, 204-bolt hole;
3-rear part of middle shield, 301-clapboard;
4-passive middle shield, 401-hinged seat;
5-front part of middle shield, 6-active front shield and 7-active tail shield;
8-limiting clamp and 9-rubber ring;
10-passive anterior shield and 11-passive caudal shield.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Specifically, the detachable flange 2 is connected with the partition plate 301 through bolts, and the bolt connection structure is high in strength and convenient to detach; the adjacent splicing pieces 201 are detachably connected through pins 202 or bolts or studs. When the detachable flange 2 comprises two splicing pieces 201, the splicing pieces 201 are semi-annular, stepped parts 203 are arranged at two ends of the splicing pieces 201, the stepped parts 203 of the two splicing pieces 201 are mutually inserted and matched, and the stepped parts 203 of the two splicing pieces 201 are detachably connected through pins 202 or bolts or studs.
Further, the outer contour of the detachable flange 2 is rectangular, and bolt holes 204 or unthreaded holes are arranged at four corners of the detachable flange 2. The active articulated shield machine comprises an active front shield 6, an active middle shield and an active tail shield 7, wherein the active middle shield comprises a middle shield front part 5 and a middle shield rear part 3 which are connected through an articulated hydraulic cylinder, and the middle shield rear part 3 is connected with the active tail shield 7 through a flange. When the propelling hydraulic cylinder 1 is applied to the active articulated shield tunneling machine, the splicing piece 201 is detachably connected to the rear side of the partition plate 301 at the rear part 3 of the middle shield, when the propelling hydraulic cylinder 1 is pushed to work, the splicing piece 201 is supported between the partition plate 301 and the duct piece, and the splicing piece 201 is axially blocked by the positioning groove 201 and the propelling hydraulic cylinder 1. Specifically, the partition plate 301 is provided with fixing bolt holes corresponding to the bolt holes 204 or holes, and the detachable flange 2 is connected to the partition plate 301 through bolts matched with the fixing bolt holes.
The middle shield of the passive articulated shield machine is of an integrated structure and comprises a passive front shield 10, a passive middle shield 4 and a passive tail shield 11, the front part of the passive middle shield 4 is fixedly connected with the passive front shield 10, the rear part of the passive middle shield 4 is articulated with the passive tail shield 11 through an articulated hydraulic cylinder, and the front end of a passive propulsion hydraulic cylinder 1 is connected to the front part of the middle shield, and the rear end of the passive propulsion hydraulic cylinder is in butt joint fit with a duct piece. When the active articulated shield tunneling machine needs to be converted into the passive articulated shield tunneling machine, as shown in fig. 5, the splicing piece 201 is firstly detached from the partition plate 301, and then the splicing piece 201 is detached from the thrust hydraulic cylinder 1, because the middle shield in the passive articulated shield tunneling machine is not subjected to the axial thrust of the thrust hydraulic cylinder 1, the thrust hydraulic cylinder 1 can be welded on the passive middle shield 4 through a connecting piece with lower strength under the condition that the structure is unchanged, and the guidance of the thrust hydraulic cylinder 1 is realized; or when the propelling hydraulic cylinder 1 is installed on the passive hinged shield tunneling machine, the detachable flange 2 is still used, the detachable flange 2 is arranged on the passive middle shield 4, and meanwhile, the detachable flange 2 is in floating fit with the propelling hydraulic cylinder 1.
Specifically, when the propulsion hydraulic cylinder 1 is applied to a passive hinged shield machine, an elastic part for floating the propulsion hydraulic cylinder 1 is arranged between the inner wall of the splicing part 201 and the positioning groove 101, the propulsion hydraulic cylinder 1 realizes floating through the elastic part, and meanwhile, the positioning groove 101 arranged on the propulsion hydraulic cylinder 1 is utilized; the detachable flange 2 is hinged with the passive middle shield 4, so that the floating effect is further enhanced.
Further, the passive middle shield 4 is connected with articulated seat 401, spacing clamp 8 links to each other with articulated seat 401 is articulated, and articulated shaft perpendicular to propulsion hydraulic cylinder 1's the direction of motion of articulated seat 401, spacing clamp 8 can be rotatory for articulated seat 401, and then drive propulsion hydraulic cylinder 1 in a flexible way and realize that the axial floats.
The other structure of this embodiment is the same as embodiment 1.
Nothing in this specification is intended to be exhaustive of all conventional and well known techniques.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a general type assembly structure of propulsion pneumatic cylinder, includes propulsion pneumatic cylinder (1), its characterized in that: be provided with constant head tank (101) on the cylinder body of propulsion pneumatic cylinder (1), be provided with constant head tank (101) joint cooperation and can dismantle flange (2), can dismantle flange (2) including two at least splicers (201), the inner wall of splice (201) be the arc and with constant head tank (101) adaptation, when propulsion pneumatic cylinder (1) is used on initiative articulated shield structure machine, splice (201) can be dismantled the rear side of connecting baffle (301) at well shield rear portion (3).
2. The universal type assembling structure for a propulsion hydraulic cylinder according to claim 1, wherein: when the propelling hydraulic cylinder (1) is applied to the passive hinged shield tunneling machine, an elastic piece used for floating of the propelling hydraulic cylinder (1) is arranged between the inner wall of the splicing piece (201) and the positioning groove (101), and the detachable flange (2) is hinged with the middle shield (4).
3. The universal type assembling structure for a propulsion hydraulic cylinder according to claim 1, wherein: when propelling cylinder (1) is used on passive articulated shield constructs machine, be provided with spacing clamp (8) with constant head tank (101) cooperation, set up between the inner wall of spacing clamp (8) and constant head tank (101) and be used for propelling cylinder (1) unsteady elastic component, spacing clamp (8) link to each other with passive formula middle shield (4) are articulated.
4. The universal mounting structure for a propulsion cylinder as claimed in claim 3, wherein: shield (4) are connected with articulated seat (401) in the passive form, spacing clamp (8) link to each other with articulated seat (401) are articulated, and the articulated shaft perpendicular to of articulated seat (401) impels the direction of motion of hydraulic cylinder (1).
5. A universal type mounting structure for a propulsion cylinder according to any one of claims 2 to 4, characterized in that: the elastic piece is a rubber ring (9) or a rubber strip.
6. The universal mounting structure for a propulsion cylinder as claimed in claim 5, wherein: the detachable flange (2) is connected with the partition plate (301) through bolts, and the adjacent splicing pieces (201) are detachably connected through pins (202) or bolts or studs.
7. A universal type mounting structure for a propulsion cylinder according to any one of claims 1 to 4 and 6, wherein: when the detachable flange (2) comprises two splicing pieces (201), the splicing pieces (201) are semi-annular, stepped parts (203) are arranged at two ends of each splicing piece (201), the stepped parts (203) of the two splicing pieces (201) are mutually inserted and matched, and the stepped parts (203) of the two splicing pieces (201) are detachably connected through pins (202) or bolts or studs.
8. The universal mounting structure for a propulsion cylinder as claimed in claim 7, wherein: the outer contour of the detachable flange (2) is rectangular, bolt holes (204) or unthreaded holes are formed in four corners of the detachable flange (2), fixing bolt holes corresponding to the bolt holes (204) or the holes are formed in the partition plate (301), and the detachable flange (2) is connected to the partition plate (301) through bolts matched with the fixing bolt holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123170318.9U CN216406821U (en) | 2021-12-16 | 2021-12-16 | General type assembly structure of propulsion hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123170318.9U CN216406821U (en) | 2021-12-16 | 2021-12-16 | General type assembly structure of propulsion hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216406821U true CN216406821U (en) | 2022-04-29 |
Family
ID=81285011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123170318.9U Active CN216406821U (en) | 2021-12-16 | 2021-12-16 | General type assembly structure of propulsion hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216406821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012968A (en) * | 2022-06-30 | 2022-09-06 | 中国铁建重工集团股份有限公司 | Shield machine |
-
2021
- 2021-12-16 CN CN202123170318.9U patent/CN216406821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012968A (en) * | 2022-06-30 | 2022-09-06 | 中国铁建重工集团股份有限公司 | Shield machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216406821U (en) | General type assembly structure of propulsion hydraulic cylinder | |
| WO2011062463A2 (en) | Stern tube bush unit | |
| KR20170141909A (en) | A Pinion gear assembly and disassembly apparatus for motor speed reducer | |
| CN109356598A (en) | A kind of shield machine reaction frame in constructing tunnel | |
| CN219317054U (en) | Engine cylinder seat | |
| CN104773558A (en) | Installation mechanism of cloth winding barrel | |
| CN209095463U (en) | A kind of bearing drawing disassembling fixture | |
| CN109352587A (en) | A kind of bearing drawing disassembling fixture | |
| CN211052911U (en) | Pulling device for welding positioning pin | |
| CN212240901U (en) | Machine capable of quickly assembling platform | |
| CN205292163U (en) | Automatic splicing mechanism and concatenation system thereof | |
| CN207414269U (en) | A kind of driving chain provision for disengagement | |
| CN201030059Y (en) | Tumbling cylinder connector and support structure of the high-efficiency seed-coating machine | |
| CN221261336U (en) | Optical fiber channel connecting assembly | |
| CN209385631U (en) | Shift shifting block casting | |
| CN110848489A (en) | Self-locking hose connector | |
| CN221257208U (en) | Cooling tower fan transmission shaft | |
| CN219213053U (en) | Combined type draft tube overhauling platform bracket | |
| CN207326873U (en) | Large size bearing provision for disengagement | |
| CN211890664U (en) | Connecting mechanism for twisting force | |
| CN205442536U (en) | Push -and -pull accessory | |
| CN220204454U (en) | Coupling convenient to dismantle and change | |
| CN210737527U (en) | Connector for square pile | |
| CN216882541U (en) | Main barrel interfacing apparatus | |
| CN216842481U (en) | Hydraulic cylinder with auxiliary guide reinforcing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |