CN212106193U - Vacuum pump mounting seat and shield segment erector - Google Patents
Vacuum pump mounting seat and shield segment erector Download PDFInfo
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- CN212106193U CN212106193U CN202020310099.6U CN202020310099U CN212106193U CN 212106193 U CN212106193 U CN 212106193U CN 202020310099 U CN202020310099 U CN 202020310099U CN 212106193 U CN212106193 U CN 212106193U
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Abstract
The utility model belongs to the technical field of tunnel construction shield equipment, in particular to a vacuum pump mounting seat and a shield segment erector, which are suitable for the installation positioning connection of a vacuum pump body of a vacuum sucker type segment erector and avoid the leakage phenomenon of vacuum pump oil; the vacuum pump body is arranged on the seat body connecting section, the seat body positioning section is provided with an extension rod, and a central through hole is formed in the extension rod; the outer end part of the extension rod is connected with an adapter, and the extension rod is also provided with a connecting rotating seat; a vacuum pipeline extending out of the vacuum pump body is connected with a central through hole in the extension rod through a connecting joint; the vacuum pump mounting seat and the shield segment erector with the novel structural design not only improve the use safety performance of equipment; and the vacuum negative pressure loss is reduced, the vacuum response time of the vacuum sucker is prolonged, and the assembling operation quality of the assembled duct piece is improved.
Description
Technical Field
The utility model belongs to the technical field of tunnel construction shield equipment; in particular to a vacuum pump mounting seat and a shield segment erector.
Background
The shield is a large-scale underground excavation tunnel tunneling device, the segment erector is an important component of the shield, is used for assembling lining tunnel segments, has the actions of locking, translation, lifting, pitching, rotation, rolling, deflection and the like, and realizes the positioning and installation of the segments by matching various actions; the structure of the assembling machine clamp is different due to different duct piece structures, and the duct piece assembling operation and efficiency are influenced; the clamps commonly used have a manual screw mechanism, a hydraulic cylinder mechanism and a vacuum chuck mechanism; wherein, the manual screw mechanical type needs manual labor and has lower efficiency; the hydraulic cylinder mechanical grabbing segment has reliable action and an interlocking function, when the segment is overweight, the grabbing force of the mechanical grabbing head exceeds the bearing force of the segment, and the hydraulic cylinder mechanical grabbing segment is not applicable any more; therefore, the vacuum chuck type grabbing and lifting mode is a mode with wider application range and higher use safety; the working principle of the vacuum chuck is that a sealing strip of a chuck cavity of the vacuum chuck is tightly pressed with a duct piece, and the duct piece is sucked up by utilizing the atmospheric pressure difference after the vacuum pump is used for pumping vacuum to the chuck cavity; however, because the vacuum chuck rotates along with the rotating frame of the assembling machine, the vacuum pump is usually an oil type vacuum pump, and the top of the vacuum pump must be ensured to be vertically installed upwards when the vacuum pump normally works, oil leakage of the vacuum pump can be caused by overturning, and an air inlet filter screen is damaged; in the installation process of the conventional vacuum pump, the vacuum pump is fixedly installed on a movable frame of the erector, but the vacuum sucker on the rotary frame is connected with the vacuum pump on the fixed frame through a long vacuum tube in a traditional connection mode when the vacuum sucker on the rotary frame and the vacuum pump on the fixed frame rotate relatively, the longer the vacuum tube is, the greater the pressure loss is, the later the vacuum response time of the sucker when grabbing a segment is caused, and the more complicated the maintenance after the pipeline is damaged after the vacuum tube is lengthened; therefore, the vacuum pump mounting seat and the shield segment erector are very necessary.
Disclosure of Invention
The utility model discloses an inventive purpose:
the vacuum pump mounting seat and the shield segment erector are mainly used for mounting, positioning and connecting a vacuum pump body of the vacuum sucker type segment erector, so that the production and mounting efficiency of the vacuum pump body is improved, the vacuum pump body is ensured to keep a top vertical station in the assembling and rotating process of a revolving frame of the segment erector, the oil leakage phenomenon of a vacuum pump is avoided, and the use safety performance of equipment is improved; and the setting of this vacuum pump mount pad reduces the installation length of short vacuum tube, reduces the vacuum negative pressure loss in the vacuum tube, improves vacuum chuck's vacuum response time, improves the corresponding efficiency of actuating of erector equipment, improves the assembly operation quality of assembling the section of jurisdiction, improves the economic benefits of enterprise.
The technical scheme of the utility model is that:
the vacuum pump mounting seat comprises a seat body mounting frame, wherein the seat body mounting frame mainly comprises a seat body connecting section and a seat body positioning section; the vacuum pump body is arranged on the seat body connecting section, the seat body positioning section is provided with an extension rod, and a central through hole is formed in the extension rod; the outer end part of the extension rod is connected with an adapter, and the extension rod is also provided with a connecting rotating seat; the vacuum pipeline extending out of the vacuum pump body is connected with the central through hole in the extension rod through the connecting joint.
The pedestal mounting bracket is arranged in a broken line type structure, and the extension rod and the pedestal mounting bracket are fixedly arranged in an integrated structure.
The adapter arranged at the outermost end of the extension rod adopts a vacuum rotary joint.
The connecting rotating seat comprises a rotating base, and the bottom of the rotating base is fixedly connected with equipment; a bearing connecting seat is positioned on the rotary base through a connecting bolt, and a rotary bearing is arranged in the bearing connecting seat; the extension rod passes through the bearing connecting seat and is connected with the slewing bearing.
The bearing connecting seats are uniformly distributed on the rotary base and are two symmetrical to each other.
The connecting joint adopts a right-angle joint or a bent-angle joint.
The vacuum pipeline is connected with the connecting joint in a socket joint mode.
A shield segment erector comprises the vacuum pump mounting seat.
The utility model has the advantages that:
the vacuum pump mounting seat and the shield segment erector with the novel structural design are suitable for mounting, positioning and connecting a vacuum pump body of the vacuum sucker type segment erector, so that the production and mounting efficiency of the vacuum pump body is improved, the vacuum pump body is ensured to keep a top vertical station in the assembling and rotating process of the segment erector in a revolving frame, the leakage phenomenon of vacuum pump oil is avoided, and the use safety performance of equipment is improved; and the setting of this vacuum pump mount pad has reduced the installation length of vacuum tube, has reduced the vacuum negative pressure loss in the vacuum tube, has improved vacuum chuck's vacuum response time, has improved the corresponding efficiency of actuating of erector equipment, has improved the assembly operation quality of assembling the section of jurisdiction, has improved the economic benefits of enterprise.
Drawings
Fig. 1 is a schematic view of the overall structure of the mounting base of the present invention;
fig. 2 is a schematic structural view of the seat mounting bracket of the present invention.
In the figure; 1 is a seat body mounting frame; 2 is a seat body connecting section; 3 is a seat positioning section; 4 is a vacuum pump body; 5 is an extension rod; 6 is a central through hole; 7 is an adapter; 8 is a connecting rotating seat; 9 is a vacuum pipeline; 10 is a connecting joint; 11 is a rotary base; 12 is a bearing connecting seat; reference numeral 13 denotes a slewing bearing.
Detailed Description
The following detailed description of embodiments of the present invention is made with reference to the accompanying drawings.
As shown in fig. 1-2, a vacuum pump mounting base is provided, which comprises a base mounting base 1, wherein the base mounting base mainly comprises a base connecting section 2 and a base positioning section 3, the base connecting section is used for fixedly arranging a vacuum pump body, the base positioning section is used for fixedly communicating a vacuum pipeline, and the base connecting section and the base positioning section can be assembled by adopting carbon structural steel or alloy structural steel; the vacuum pump body 4 is arranged on the seat body connecting section and is fixed with the seat body connecting section through a connecting and positioning bolt, the seat body positioning section is provided with an extension rod 5, and a central through hole 6 is arranged in the extension rod; the outer end part of the extension rod is connected with the adapter piece 7, and the extension rod piece is used as a middle load transmission part of the vacuum pipeline, so that a complex pipeline connection mode that an overlong vacuum pipe is connected with a vacuum chuck is avoided, and the pressure loss of a middle pipeline of a vacuum pump body is avoided; a connecting rotating seat 8 is also arranged on the extension rod; a vacuum pipeline 9 extending out of the vacuum pump body is connected with a central through hole in the extension rod through a connecting joint 10; according to the vacuum pump mounting seat with the structural design, the vacuum pump body is always kept in a station state with a vertical top in the mounting and running process, so that the oil leakage phenomenon of the vacuum pump is avoided, the complex matching devices such as a pipeline winding drum and the like are avoided in the connection process of the vacuum pipeline, the mounting length of the vacuum pipe is shortened, the vacuum negative pressure loss in the vacuum pipe is reduced, and the vacuum response time of the vacuum sucker is prolonged; in the process of equipment operation, the vacuum pump mounting seat realizes the rotation process by the adapter piece arranged at the outermost end of the extension rod along with the splicing machine turntable, and the vacuum pump body and the seat body mounting seat are fixedly arranged behind the splicing machine rotating frame to keep the vertical station state at the top of the vacuum pump; and meanwhile, the extension rod ensures the excessive bearing effect of the vacuum pipeline.
Preferably, the seat body mounting frame is arranged in a broken line type structure, and the extension rod and the seat body mounting frame are fixedly arranged in an integrated structure.
Preferably, the adapter arranged at the outermost end of the extension rod adopts a vacuum rotary joint which is a commonly used rotary joint component, the transmission medium inlet can freely select the side edge or the rear end to enter according to the working condition, and the sealing surface and the sealing ring are made of special materials, so that the abrasion resistance, the long service life, the corrosion resistance and the leakage resistance are realized; two precision bearings are arranged in the rotary joint, so that the rotary joint is stable and durable in operation, firm and flexible, and small in friction coefficient, and can be operated at a high speed.
Preferably, the connecting and rotating seat comprises a rotating base 11, the bottom of the rotating base is fixedly connected with equipment, and the rotating base synchronously rotates along with the rotating frame of the splicing machine; a bearing connecting seat 12 is positioned on the rotary base through a connecting bolt, a rotary bearing 13 is arranged in the bearing connecting seat, and the arranged bearing connecting seat and the rotary bearing have the structural effect of bearing and supporting the extension rod in the process; the extension rod passes through the bearing connecting seat and is connected with the slewing bearing.
Preferably, the bearing connecting seats are uniformly distributed on the rotary base in two symmetrical arrangements.
Preferably, the connecting joint adopts a right-angle joint or an angled joint in order to avoid interference of the vacuum pipeline with other equipment during the connection process with the connecting joint.
Preferably, the vacuum pipeline is connected with the connecting joint in a socket-and-spigot manner, an elastic rubber ring is placed on a sealing end of a pipeline socket-and-spigot, and then the inserted end of the pipe is inserted by applying force, so that a closed pipe capable of adapting to displacement and vibration within a certain range is formed.
Preferably, the shield segment erector comprises the vacuum pump mounting seat.
The vacuum pump mounting seat and the shield segment erector with the novel structural design are suitable for mounting, positioning and connecting a vacuum pump body of the vacuum sucker type segment erector, so that the production and mounting efficiency of the vacuum pump body is improved, the vacuum pump body is ensured to keep a top vertical station in the assembling and rotating process of the segment erector in a revolving frame, the leakage phenomenon of vacuum pump oil is avoided, and the use safety performance of equipment is improved; and the setting of this vacuum pump mount pad has reduced the installation length of vacuum tube, has reduced the vacuum negative pressure loss in the vacuum tube, has improved vacuum chuck's vacuum response time, has improved the corresponding efficiency of actuating of erector equipment, has improved the assembly operation quality of assembling the section of jurisdiction, has improved the economic benefits of enterprise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above description is only illustrative of the present invention, and is not intended to limit the scope of the present invention, and any person skilled in the art can make equivalent changes and modifications without departing from the spirit and principles of the present invention, which should fall within the protection scope of the present invention.
Claims (8)
1. A vacuum pump mount pad which characterized in that: the device comprises a seat body mounting rack, wherein the seat body mounting rack mainly comprises a seat body connecting section and a seat body positioning section; the vacuum pump body is arranged on the seat body connecting section, the seat body positioning section is provided with an extension rod, and a central through hole is formed in the extension rod; the outer end part of the extension rod is connected with an adapter, and the extension rod is also provided with a connecting rotating seat; the vacuum pipeline extending out of the vacuum pump body is connected with the central through hole in the extension rod through the connecting joint.
2. A vacuum pump mount according to claim 1, wherein: the pedestal mounting bracket is arranged in a broken line type structure, and the extension rod and the pedestal mounting bracket are fixedly arranged in an integrated structure.
3. A vacuum pump mount according to claim 1, wherein: the adapter arranged at the outermost end of the extension rod adopts a vacuum rotary joint.
4. A vacuum pump mount according to claim 1, wherein: the connecting rotating seat comprises a rotating base, and the bottom of the rotating base is fixedly connected with equipment; a bearing connecting seat is positioned on the rotary base through a connecting bolt, and a rotary bearing is arranged in the bearing connecting seat; the extension rod passes through the bearing connecting seat and is connected with the slewing bearing.
5. A vacuum pump mount according to claim 4, wherein: the bearing connecting seats are uniformly distributed on the rotary base and are two symmetrical to each other.
6. A vacuum pump mount according to claim 1, wherein: the connecting joint adopts a right-angle joint or a bent-angle joint.
7. A vacuum pump mount according to claim 6, wherein: the vacuum pipeline is connected with the connecting joint in a socket joint mode.
8. The utility model provides a shield constructs section of jurisdiction erector which characterized in that: the shield segment erector comprises the vacuum pump mounting seat as defined in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310099.6U CN212106193U (en) | 2020-03-13 | 2020-03-13 | Vacuum pump mounting seat and shield segment erector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020310099.6U CN212106193U (en) | 2020-03-13 | 2020-03-13 | Vacuum pump mounting seat and shield segment erector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106193U true CN212106193U (en) | 2020-12-08 |
Family
ID=73634702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020310099.6U Active CN212106193U (en) | 2020-03-13 | 2020-03-13 | Vacuum pump mounting seat and shield segment erector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106193U (en) |
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2020
- 2020-03-13 CN CN202020310099.6U patent/CN212106193U/en active Active
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