Sleeve device with manhole

Abstract

The utility model relates to a sleeve device with a manhole, the sleeve device is used for being fixed to a tunnel segment, and the sleeve device comprises a tubular cylinder body assembly. The barrel assembly comprises a connecting end face located at one end and at least one manhole bin opening penetrating through the side wall of the barrel assembly, and the manhole bin opening is used for constructing a channel for people or objects to enter and exit from the inner space of the barrel assembly. The sleeve device further comprises a sleeve bin door connected to the barrel assembly, and the manhole bin opening is movably opened and closed through the sleeve bin door. The manhole bin opening penetrates through the pipe wall of the barrel assembly, so that an operator can enter the space between the tunneling cutter head and the tunnel segment through the manhole bin opening for construction and maintenance, and the operation convenience is improved. The sleeve bin door is used for opening and closing the manhole bin opening and keeping the space leakproofness in the barrel assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to a sleeve device, and in particular to a sleeve device with a manhole. Background Art

[0002] During tunnel construction, a sleeve device is set at the starting position of the excavation equipment, especially in the communication channel excavation equipment, the sleeve device is used for positioning and equipment reverse pull fixation. The sleeve device is fixed to the special steel tunnel segment by riveting or fastener connection or welding, so as to achieve a fixed connection between the sleeve device and the tunnel segment. For example, Chinese public document CN213016370U discloses a construction sleeve with an observation port at the top for both filling and observation functions.

[0003] However, the excavation cutterhead of the connecting channel is relatively small, and it is difficult to provide a channel for entering the excavation space from the end for maintenance or assembly. The closed or window-type sleeve device makes it difficult to repair the cutterhead, and it is difficult to weld and fix the internal joints of the sleeve device and the tunnel segment. There are technical problems such as great construction difficulty and inconvenient maintenance, and therefore improvements are needed. Utility Model Content

[0004] In order to overcome the problems existing in the related art, the embodiment of the utility model provides a sleeve device with a manhole to solve the technical problems of difficult construction and inconvenient maintenance.

[0005] According to a first aspect of an embodiment of the utility model, there is provided a sleeve device with a manhole, the sleeve device being used to be fixed to a tunnel segment, the sleeve device comprising a tubular barrel assembly, the barrel assembly comprising a connecting end face at one end and at least one manhole opening penetrating through a side wall of the barrel assembly, the manhole opening being used to construct a passage for people or objects to enter and exit the inner space of the barrel assembly;

[0006] The sleeve device also includes a sleeve silo door connected to the cylinder assembly, and the sleeve silo door is movable to open and close the corresponding manhole opening.

[0007] In one embodiment, the sleeve silo door and the cylinder assembly are locked and connected by fasteners, and the fasteners are connected at intervals along the edge of the sleeve silo door.

[0008] In one embodiment, one side of the sleeve silo door is rotatably connected to the cylinder assembly.

[0009] In one embodiment, the sleeve silo door is hingedly connected to the cylinder assembly, and the hinge axis between the sleeve silo door and the cylinder assembly is located at the lower side of the sleeve silo door.

[0010] In one embodiment, an elastic sealing member is provided between the sleeve silo door and the cylinder assembly.

[0011] In one embodiment, the barrel assembly includes a plurality of grouting holes distributed at intervals, and the grouting holes and the manhole opening are staggered.

[0012] In one embodiment, the cylinder assembly includes a circular tube body and a reinforcement rib group fixed to the circular tube body, and the reinforcement rib group is staggeredly distributed along the outer circumferential wall of the circular tube body.

[0013] In one embodiment, the cylinder assembly further comprises a connecting rib group fixedly arranged on the circular tube body, and a protruding height of the connecting rib group is greater than a protruding height of the reinforcing rib group.

[0014] In one embodiment, the minimum distance between the edge of the manhole opening and the connecting end face is B, wherein 200mm≤B≤300mm.

[0015] In one embodiment, the sleeve device further comprises at least two tail brush assemblies mounted on the barrel assembly to form a starting end sleeve device, and the manhole opening is located between the connecting end surface and the tail brush assembly.

[0016] In one embodiment, the sleeve device further comprises an end seal cap for sealing the end of the barrel assembly to form a receiving end sleeve device, and the end seal cap is arranged opposite to the connecting end surface.

[0017] The technical solution provided by the embodiment of the utility model can include the following beneficial effects: the manhole opening penetrates the pipe wall of the cylinder assembly, so that the operator can enter the space between the excavation cutter head and the tunnel segment through the manhole opening to perform construction and maintenance, thereby improving the convenience of operation. The sleeve silo door is used to open and close the manhole opening to maintain the airtightness of the space in the cylinder assembly. The connection end face can be directly connected to the tunnel segment and can be customized according to the tunnel segment, with high adaptability.

[0018] It should be understood that the above general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.

[0020] Figure 1 It is a schematic structural diagram showing that a starting end sleeve device is connected to a tunnel segment according to an exemplary embodiment.

[0021] Figure 2 yes Figure 1Schematic diagram of the cross-sectional structure.

[0022] Figure 3 yes Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0023] Figure 4 It is a schematic structural diagram of a receiving end sleeve device according to an exemplary embodiment.

[0024] Figure 5 It is a schematic diagram of the front structural view of a receiving end sleeve device according to an exemplary embodiment.

[0025] In the figure, the cylinder assembly 10; the circular tube body 11; the manhole opening 12; the connecting end face 13; the sleeve silo door 20; the hinge shaft 21; the pivot rib 22; the connecting convex plate 23; the excavation equipment 30; the cutter head device 31; the grouting hole 40; the grease hole 50; the reinforcing rib group 60; the circumferential rib 61; the axial rib 62; the connecting rib group 70; the connecting ring 71; the reinforcing rib 72; the tunnel segment 80; the tail brush assembly 90; and the end cover 100. DETAILED DESCRIPTION

[0026] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0027] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0028] In the description of the present invention, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] like Figures 1 to 3 As shown, the utility model provides a sleeve device with a manhole, the sleeve device is used to be fixed to a tunnel segment 80, and the sleeve device includes a barrel assembly 10. The barrel assembly 10 is a tubular sleeve structure, one end of which is fixedly connected to a special tunnel segment 80. Among them, the tunnel segment 80 adopts steel or pre-buried steel connection points.

[0030] One end of the cylinder assembly 10 is used to be fixedly connected to the tunnel segment 80, wherein the cylinder assembly 10 includes a connection end face 13 located at one end, and the connection end face 13 is adapted to the camber adjustment of the tunnel segment 80, so as to improve the matching accuracy. Preferably, the connection end face 13 is set to be a curved surface adapted to the radian of the tunnel segment 80. The tunnel wall formed by the tunnel segment 80 is an annular structure, and the connection end face 13 is adapted to the convex curved surface of the tunnel segment 80. Preferably, the cylinder assembly 10 is welded and fixedly connected to the tunnel segment 80 to improve the connection strength. The connection end face 13 can be directly connected to the tunnel segment 80, and can be customized according to the tunnel segment 80, with high adaptability.

[0031] In one embodiment, the sleeve device also includes at least two tail brush assemblies 90 installed on the barrel assembly 10 to form a starting end sleeve device, and the tail brush assembly 90 is fixed inside the barrel assembly 10. Preferably, three tail brush assemblies 90 are provided, and a grease area is formed between two adjacent tail brush assemblies 90. One end of the cutter head device 31 of the excavation equipment 30 passes through the tail brush assembly 90 area and penetrates into the barrel assembly 10, and the tail brush assembly 90 is elastically sealed and abutted against the outer peripheral wall of the excavation equipment 30. Preferably, the barrel assembly 10 is provided with at least one grease hole 50, and each grease hole 50 is correspondingly connected to one of the grease areas. The grease hole 50 is connected to a grease injection device, and the grease injection device is connected to the grease hole 50 to inject grease.

[0032] like Figure 4 and Figure 5As shown, in another embodiment, the sleeve device also includes an end cap 100 that closes the end of the barrel assembly 10 to form a receiving end sleeve device, and the end cap 100 is arranged opposite to the connecting end face 13. The end cap 100 closes the end of the barrel assembly 10 to form a cylindrical receiving end sleeve device, and cooperates with the starting end sleeve device to construct the two ends of the communication channel. The cutter head device 31 of the excavation equipment 30 enters the receiving end sleeve device after penetrating the construction section, thereby completing the excavation of the communication channel. Optionally, the end cap 100 is a capping structure welded and fixed to the end of the barrel assembly 10. Preferably, the end cap 100 is a convex curved convex capping structure. Optionally, the end cap 100 is a capping structure that is locked and connected to the end of the barrel assembly 10 by a fastener.

[0033] Further, the barrel assembly 10 includes a manhole opening 12 and a sleeve silo door 20 detachably connected to the barrel assembly 10, and the manhole opening 12 runs through the side wall of the barrel assembly 10 to connect the tubular space of the barrel assembly 10 with the external space. Among them, the manhole opening 12 is used to provide a space for people or objects to pass through, and people can enter and exit the tubular space through the passage. For example, the opening size of the manhole opening 12 is less than or equal to 60 cm * 60 cm. That is, at least one manhole opening 12 is provided on the starting end sleeve device and / or the receiving end sleeve device, so as to facilitate people or objects to enter and exit the internal space of the barrel assembly 10. When there are two or more manhole openings 12, the two manhole openings 12 are spaced relative to the center line of the barrel assembly 10 and are at different arc positions of the barrel assembly 10.

[0034] In one embodiment, the center of the manhole opening 12 and the horizontal plane where the center line of the cylinder assembly 10 is located are separated by a first preset distance, and the first preset distance is H, wherein -100mm≤H≤+100mm. The manhole opening 12 can be set as a rectangular hole or a circular hole, wherein the center line of the manhole opening 12 is parallel to the horizontal plane, wherein the manhole opening 12 is basically located within the upper and lower regions of the horizontal plane where the center line of the cylinder assembly 10 is located, which can facilitate the entry and exit of personnel or materials.

[0035] In one embodiment, the minimum distance between the edge of the manhole opening 12 and the connecting end face 13 is B, wherein 200mm≤B≤300mm. The setting position of the manhole opening 12 on the cylinder assembly 10 is close to the tunnel segment 80, so that the area corresponding to the manhole opening 12 is close to the cutter head device 31. Optionally, the edge of the manhole opening 12 on one side facing the tunnel segment 80 is set as a straight wall edge, and the straight wall edge is perpendicular to the center line of the cylinder assembly 10. When the connecting end face 13 is a convex curved surface, the projection distance of the end point of the straight wall edge on the connecting end face 13 on the projection plane perpendicular to the center line direction of the cylinder assembly 10 is the minimum distance. The minimum distance can be set to 200mm, 220mm, 250mm, 260mm, 280mm, 300mm, etc.

[0036] The sleeve silo door 20 is used to open and close the manhole opening 12, and the sleeve silo door 20 is used to open and close the manhole opening 12 to maintain the airtightness of the space inside the cylinder assembly 10. When the excavation equipment 30 is in working state, the sleeve silo door 20 closes the manhole opening 12 to make the cylinder assembly 10 circumferentially closed. When the excavation equipment 30 is in preparation or debugging state, the sleeve silo door 20 is opened so that personnel can enter the cylinder assembly 10 through the manhole opening 12 for debugging or maintenance, thereby improving construction flexibility and convenience. Preferably, the manhole opening 12 is located between the connecting end face 13 and the tail brush assembly 90, and personnel can directly enter the front of the cutterhead device 31 for inspection or assembly, or can perform internal welding connection on the cylinder assembly 10. The operator can enter the space between the cutterhead device 31 and the tunnel segment 80 through the manhole opening 12 for construction and maintenance, thereby improving the convenience of operation.

[0037] The sleeve silo door 20 is assembled on the cylinder assembly 10 and controls the opening and closing of the manhole port 12. Optionally, the engagement surface between the sleeve silo door 20 and the assembly boss is a flat fit. Preferably, the sleeve silo door 20 is provided with an annular protrusion, the sleeve silo door 20 is buckled to the assembly boss, and the annular boss is inserted into the manhole port 12 to form a fit, thereby improving the tightness of the engagement.

[0038] Optionally, the sleeve silo door 20 is detachably connected to the barrel assembly 10. In one embodiment, the sleeve silo door 20 and the barrel assembly 10 are locked and connected by fasteners, and the fasteners are connected at intervals along the edge of the sleeve silo door 20. The barrel assembly 10 is provided with an assembly boss surrounding the manhole port 12, and the end face of the assembly boss is set as a plane. The assembly boss is provided with a threaded hole, and the sleeve silo door 20 is covered on the assembly boss, and the fastener passes through the through hole on the sleeve silo door 20 and is locked and connected with the threaded hole. The fasteners are locked at intervals along the edge of the sleeve silo door 20 to keep the sleeve silo door 20 and the assembly platform joint surface sealed. Preferably, an elastic seal is provided between the sleeve silo door 20 and the barrel assembly 10, and the elastic seal is a sealing gasket in the form of an annular sheet or an annular ring made of a cylindrical material with a circular cross-section.

[0039] In one embodiment, the sleeve silo door 20 is movably connected to the cylinder assembly 10, and the cylinder assembly 10 provides support and positioning for the sleeve silo door 20. Optionally, one side of the sleeve silo door 20 is rotatably connected to the cylinder assembly 10, and the weight of the sleeve silo door 20 is connected to the cylinder assembly 10 through the shaft portion. Among them, the shaft axis of the sleeve silo door 20 is perpendicular to the center line of the cylinder assembly 10. Optionally, the sleeve silo door 20 is hingedly connected to the cylinder assembly 10, and the hinge shaft 21 between the sleeve silo door 20 and the cylinder assembly 10 is located at the lower side of the sleeve silo door 20. In this embodiment, the shaft axis of the sleeve silo door 20 is parallel to the center line of the cylinder assembly 10. Furthermore, the hinge shaft 21 is located at the lower side of the sleeve silo door 20, so that the sleeve silo door 20 can be suspended on the cylinder assembly 10 in the open state, avoiding the disadvantage of the sleeve silo door 20 automatically closing due to the influence of gravity, and avoiding the malfunction of the laterally distributed sleeve silo door 20 being opened and closed by external force.

[0040] In a preferred embodiment, two or more pivoting ribs 22 are welded and fixed to the outer peripheral wall of the barrel assembly 10, and a connecting convex plate 23 is welded and fixed to the sleeve silo door 20. The connecting convex plate 23 corresponds to the pivoting rib 22 and is connected through the hinge shaft 21, which can improve the flexibility of rotation and maintain the consistency of connection. In addition, the sleeve silo door 20 is connected to the barrel assembly 10 at multiple points, with high rotation stability and good force performance.

[0041] The cylinder assembly 10 is connected and fixed to the tunnel segment 80 to form an integral structure. Preferably, the cylinder assembly 10 is welded and fixed to the tunnel segment 80. The cutterhead device 31 forms an operating cavity in the area between the starting position and the tunnel segment 80. In one embodiment, the cylinder assembly 10 includes a plurality of grouting holes 40 distributed at intervals, and the grouting holes 40 and the manhole opening 12 are staggered. The grouting holes 40 are used to connect the grouting equipment to inject the slurry into the operating cavity. The grouting holes 40 are arranged around the cylinder assembly 10 to inject the slurry from different angles, and the injection efficiency is high. The manhole opening 12 is staggered with the grouting holes 40, and the grouting equipment is convenient to connect and will not affect the entry and exit of people or objects at the manhole opening 12. Optionally, the grouting holes 40 are distributed between the tail brush assembly 90 and the connecting end face 13 to form a staggered layout of the grouting holes 40 and the manhole opening 12 to improve the flexible adjustment of the use space, and the wiring and operation are convenient.

[0042] In one embodiment, the cylinder assembly 10 includes a circular tube body 11 and a reinforcing rib group 60 fixed to the circular tube body 11, and the reinforcing rib group 60 is staggeredly distributed along the outer peripheral wall of the circular tube body 11. The circular tube body 11 is an annular tubular structure, and the reinforcing rib group 60 is distributed on the outer peripheral wall of the circular tube body 11, which can improve the structural strength of the circular tube body 11 and maintain the stability of stress deformation. Optionally, the reinforcing rib group 60 includes an axial convex rib 62 and a circumferential convex rib 61, and the axial convex rib 62 is uniformly distributed on the outer peripheral wall of the circular tube body 11 along a direction parallel to the axis. The circumferential convex rib 61 intersects with the axial convex rib 62, and is distributed at intervals along the axial direction of the outer peripheral wall of the circular tube body 11, and the circumferential convex rib 61 intersects with the axial convex rib 62 to form a grid-like distribution.

[0043] Furthermore, the cylinder assembly 10 further includes a connecting rib group 70 fixed to the circular tube body 11, and the protruding height of the connecting rib group 70 is greater than the protruding height of the reinforcing rib group 60. The connecting rib group 70 is fixed to the circular tube body 11, and the connecting rib group 70 is close to the tail brush assembly 90. The protruding height of the connecting rib group 70 is greater than the height of the reinforcing rib group 60, which can further improve the structural strength of the circular tube body 11 and assist in fixing the excavation equipment 30 through the connecting rib group 70.

[0044] Preferably, the connecting rib group 70 includes two spaced connecting rings 71 and a plurality of reinforcing ribs 72 connected to the connecting rings 71, and the height of the connecting rings 71 is greater than the height of the reinforcing rib group 60. The connecting ring 71 surrounds the circular tube body 11 and protrudes radially, thereby facilitating the connection and fixation of the excavation equipment 30.

[0045] Those skilled in the art will readily appreciate other embodiments of the present invention after considering the specification and practicing the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present invention, which follow the general principles of the present invention and include common knowledge or customary technical means in the art that are not disclosed in the present invention. The specification and examples are to be regarded as exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.

[0046] It should be understood that the present invention is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A sleeve device with a manhole, the sleeve device is used to be fixed to a tunnel segment, the sleeve device comprises a tubular barrel assembly, characterized in that: The barrel assembly includes a connecting end surface at one end and at least one manhole opening penetrating through the side wall of the barrel assembly, wherein the manhole opening is used to construct a passage for people or objects to enter and exit the space inside the barrel assembly; The sleeve device also includes a sleeve silo door connected to the cylinder assembly, and the sleeve silo door is movable to open and close the corresponding manhole opening.

2. The sleeve device with a manhole according to claim 1, characterized in that: The sleeve silo door and the barrel assembly are locked and connected by fasteners, and the fasteners are connected at intervals along the edge of the sleeve silo door.

3. The sleeve device with a manhole according to claim 2, characterized in that: One side edge of the sleeve silo door is rotatably connected to the cylinder assembly.

4. The sleeve device with a manhole according to claim 3, characterized in that: The sleeve silo door is hingedly connected to the cylinder assembly, and the hinge axis between the sleeve silo door and the cylinder assembly is located at the lower side of the sleeve silo door.

5. The sleeve device with a manhole according to claim 2, characterized in that: An elastic sealing member is provided between the sleeve silo door and the cylinder assembly.

6. The sleeve device with a manhole according to claim 1, characterized in that: The cylinder assembly comprises a plurality of grouting holes which are distributed at intervals, and the grouting holes and the manhole opening are staggered.

7. The sleeve device with a manhole according to claim 6, characterized in that: The cylinder assembly comprises a circular tube body and a reinforcement rib group fixed to the circular tube body, wherein the reinforcement rib group is staggeredly distributed along the outer peripheral wall of the circular tube body.

8. The sleeve device with a manhole according to claim 7, characterized in that: The cylinder assembly further comprises a connecting rib group fixedly arranged on the circular tube body, and a protruding height of the connecting rib group is greater than or equal to a protruding height of the reinforcing rib group.

9. The sleeve device with a manhole according to claim 1, characterized in that: The minimum distance between the edge of the manhole opening and the connecting end face is B, wherein 200mm≤B≤300mm.

10. The sleeve device with a manhole according to any one of claims 1 to 9, characterized in that: The sleeve device also includes at least two tail brush assemblies installed on the barrel assembly to form an initial end sleeve device, and the manhole opening is located between the connecting end surface and the tail brush assembly.

11. The sleeve device with a manhole according to any one of claims 1 to 9, characterized in that: The sleeve device also includes an end seal cap for sealing the end of the barrel assembly to form a receiving end sleeve device, and the end seal cap is arranged opposite to the connecting end surface.

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