CN220395700U - Main frame device of horizontal full-convolution sleeve jacking equipment - Google Patents
Main frame device of horizontal full-convolution sleeve jacking equipment Download PDFInfo
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- CN220395700U CN220395700U CN202322086456.1U CN202322086456U CN220395700U CN 220395700 U CN220395700 U CN 220395700U CN 202322086456 U CN202322086456 U CN 202322086456U CN 220395700 U CN220395700 U CN 220395700U
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- main frame
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- oil cylinder
- rear support
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- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000009412 basement excavation Methods 0.000 claims abstract description 10
- 239000000725 suspension Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 description 14
- 230000005641 tunneling Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Main frame device of horizontal full-circle sleeve jacking equipment relates to tunnel construction equipment technical field. Comprising the following steps: the device comprises a main frame, a bottom plate and a top plate; the main frame is of a frame structure and comprises four groups of upright posts in the z direction, wherein the four groups of upright posts are formed by coaxially connecting cylinder sleeves of an upper supporting cylinder and a bottom supporting cylinder, the bottom plate is arranged at the bottom, and the top plate is arranged at the top; a front support cylinder is arranged on the surface of the upright post of the main frame facing the excavation direction of the communication channel; and a rear supporting oil cylinder is arranged on the back surface of the main frame. The utility model improves the arrangement stability and arrangement precision of the whole equipment, avoids the influence of the whole equipment on the main tunnel structure and improves the construction precision of the communication channel. The intensive design of equipment in a narrow space is realized.
Description
Technical Field
The utility model relates to the technical field of tunnel construction equipment; in particular to an improvement of a main frame structure of a horizontal full-convolution sleeve jacking device of a communication channel.
Background
The subway communication channel is a transverse channel excavated at a certain distance between two subway shield tunnels, and is used as a life channel for safe evacuation and emergency rescue and also takes account of water collection and drainage disaster reduction of the tunnels.
In the prior art, as CN 114876473A, a subway communication channel tunneling device based on horizontal full rotation and a construction method, a technical concept of annular cuttings and retaining central soil is provided. The whole operation process is as follows: the cutting unit is used for carrying out annular cutting tunneling on the inner wall of the originating tunnel, then carrying out pipe wall grinding cutting and excavation on the inner wall of the originating tunnel by the annular cutting unit, then carrying out cutting tunneling among tunnels, and finally, carrying out annular cutting on the pipe piece from the outer side wall of the receiving tunnel, and entering the receiving main tunnel I until the pipe piece is penetrated. However, in the whole operation process, the diameter of the planned connection channel is larger, so that the diameter of the annular cutting is larger, the tunnel wall is generally of a reinforced concrete structure, the required torque of the cutting mechanism is larger when the cutting mechanism starts and receives cutting at two ends, and the reactive torque acting on the whole equipment is also particularly large. The reactive torque formed can lead to unstable equipment arrangement, and the equipment can cause damaging influence on the main tunnel I structure of the excavation point under the condition of unstable equipment, and can also influence the excavation precision of a communication channel.
Therefore, how to carry out the lightweight improvement to the equipment structure, make it can form "firm" relation of connection with main tunnel I inner wall at the during operation, avoid causing the influence to main tunnel I structure, and can improve the precision of excavation, become the technical problem that the field needs to be solved urgently.
Disclosure of Invention
Aiming at the technical problems, the utility model provides a light-weight, intensive and high-placement-stability horizontal full-circle sleeve jacking device.
To achieve the purpose, the utility model adopts the following technical scheme: main frame device of horizontal full-circle sleeve jacking equipment includes: a main frame 2, a bottom plate 21 and a top plate 22;
the main frame 2 is of a frame structure and comprises four groups of upright posts in the z direction, which are formed by coaxially connecting cylinder liners of an upper supporting cylinder 11 and a bottom supporting cylinder 41, a bottom plate 21 arranged at the bottom and a top plate 22 arranged at the top; a front support cylinder 31 is arranged on the surface of the upright post of the main frame 2 facing the excavation direction of the communication channel III; a rear support cylinder 51 is provided on the rear surface of the main frame 2.
Further, the upper support cylinder 11 is connected with an upper support 1 with a inferior arc-shaped section, a sleeve suspension guide rail 12 is arranged at the bottom of the upper support 1, the bottom support cylinder 41 is connected with a bottom support 4, the rear support cylinder 51 is connected with a rear support 5, the front support cylinder 31 is connected with a front support 3, and the middle part of the front support 3 is provided with a space larger than the cross section outline of the communication channel III; the upper support 1, the bottom support 4, the rear support 5 and the front support 3 are propped up and then are in propping connection with the inner surface of the main tunnel I; the bottom plate 21 and the top plate 22 of the main frame 2 are provided with a y-direction guide rail 211 and an X-direction pipe feeding rail 212, and the X-direction pipe feeding rail 212 is provided with a position 2120 to be fed.
Further, an X-shaped sleeve supporting structure 23 is provided at the front edge of the main frame 2 facing the direction of the communication channel iii for supporting the sleeve.
Further, a rear support cylinder connecting position 52 matched with the rear support cylinder 51 in position is formed on the rear support 5, and is used for connecting a piston rod end of the rear support cylinder connecting position 52;
the rear support 5 is also provided with a driving device accommodating groove 53, and the driving device accommodating groove 53 is positioned at two sides of the cross section outline of the connecting channel III and is used for accommodating a motor or a motor of a driving device;
a thrust cylinder positioning position 54 is also arranged on the rear support 5, and the thrust cylinder positioning position 54 is positioned at two ends of the driving device accommodating groove 53 and is used for receiving the outer end of a piston rod of the thrust cylinder;
the rear support 5 is further provided with a soil-surge-preventing support cylinder setting position 55, and the soil-surge-preventing support cylinder setting position 55 is arranged in the space of the cross section outline of the connecting channel III and used for fixing the cylinder body of the soil-surge-preventing support cylinder.
Further, the main frame 2 of the frame structure is provided with a main frame lower part 201 and a main frame upper part 202, the main frame lower part 201 comprises eight bottom support cylinders 41 fixedly and vertically connected to four corners of the bottom plate 21, and the moving piston rods of the bottom support cylinders 41 face to the lower direction; the upper part 202 of the main frame comprises eight upper support cylinders 11 which are fixedly and vertically connected to four corners of the top plate 22, and a moving piston rod of each upper support cylinder 11 faces to the upper direction;
the bottom of the upper supporting cylinder 11 of the upper part 202 of the main frame and the top of the bottom supporting cylinder 41 of the lower part 201 of the main frame are fixedly connected through a connecting plate.
Compared with the prior art, the main frame device of the horizontal full-circle sleeve jacking equipment has the following characteristics:
the whole equipment is provided with the upper arc support, the lower arc support, the front arc support and the rear arc support, so that the whole equipment is in surface contact with the inner wall of the main tunnel, and the constraint of four degrees of freedom of y-axis, z-axis, y-rotation and z-rotation is effectively realized. Of course, the center height and the cutting angle can be adjusted by using the upper, lower, front and rear supports, so that the cutting angle meets the design requirements. Once the cutting unit (circular ring shape) directly connected with the first-stage splicing sleeve (head pipe) stretches into the side wall of the main tunnel, the X-axis and X-rotation two degrees of freedom of the whole machine are constrained by the splicing sleeve with certain rigidity and diameter, so that the comprehensive constraint of six degrees of freedom of the whole machine during excavation is realized. In this way, even if a large reverse torque exists during excavation, the reverse force and vibration between the equipment and the main tunnel are not damaged. The arrangement stability and the arrangement precision of the whole equipment are improved, the influence of the whole equipment on the main tunnel structure is avoided, and the construction precision of the communication channel is improved.
Secondly, the main frame of the utility model utilizes the upper and lower supporting cylinders as the 'stand column' of the main frame, thereby realizing the intensive design of equipment in a narrow space.
Drawings
Figure 1 is a schematic diagram of the work task of the present utility model,
figure 2 is a perspective view of the whole machine of the device of the present utility model,
figure 3 is a perspective view of the main frame of the present utility model,
figure 4 is a perspective view showing the upper part of the main frame in the present utility model,
figure 5 is a schematic perspective view of the front view of the main frame of the present utility model,
figure 6 is a schematic perspective view of the rear view of the main frame of the present utility model,
FIG. 7 is a perspective view of the main frame and propulsion unit of the present utility model with upper, lower, front and rear supports removed to show the position of the anti-soil-gushing rotary support disc in the operational position
Figure 8 is a schematic perspective view of a midsole support of the present utility model,
figure 9 is a schematic view of the structure of the rear support in the present utility model,
figure 10 is a left side view of figure 9,
in the figure: i is a main tunnel, II is a parallel tunnel, and III is a communication channel;
1 is an upper support, 11 is an upper support cylinder, 12 is a sleeve suspension guide rail,
2 is the main frame, 21 is the bottom plate, 211 is the Y-direction track, 212 is the X-direction tube feeding track, 2120 is the position to be fed, 22 is the top plate, 23 is the sleeve supporting structure, 201 is the lower part of the main frame, 202 is the upper part of the main frame,
3 is a front support, 31 is a front support cylinder,
4 is a bottom support, 41 is a bottom support cylinder,
5 is a rear support, 51 is a rear support cylinder, 52 is a rear support cylinder connecting position, 53 is a driving device accommodating groove, 54 is a thrust cylinder setting position, 55 is a soil-surge prevention support cylinder setting position,
for the purpose of clearly illustrating the working principle of the present utility model, an x, y and z three-dimensional reference coordinate system is set up in the figure, wherein the x-axis represents the axial direction of the main tunnel, the y-axis represents the axial direction of the connecting channel, and the z-axis represents the height direction.
Detailed Description
Embodiments of the present utility model are described in detail below with reference to the drawings, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or components having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1-10: the utility model adopts the technical scheme that: comprising the following steps: a main frame 2, a bottom plate 21 and a top plate 22;
the main frame 2 is of a frame structure and comprises four groups of upright posts in the z direction, which are formed by coaxially connecting cylinder sleeves of an upper supporting cylinder 11 and a bottom supporting cylinder 41, a bottom plate 21 arranged at the bottom and a top plate 22 arranged at the top; a front support cylinder 31 is arranged on the surface of the upright post of the main frame 2 facing the excavation direction of the connecting channel III; a rear support cylinder 51 is provided on the rear surface of the main frame 2.
The upper support cylinder 11 is connected with an upper support 1 with a inferior arc-shaped section, a sleeve suspension guide rail 12 is arranged at the bottom of the upper support 1, the bottom support cylinder 41 is connected with a bottom support 4, the rear support cylinder 51 is connected with a rear support 5, the front support cylinder 31 is connected with a front support 3, and the middle part of the front support 3 is provided with a space larger than the section outline of a connecting channel III; the main purpose is that when the equipment excavates from the main tunnel to the parallel tunnel II, the tunneling space at the front part is reserved, and the reserved space is reserved for laying the tunnel portal waterproof structure; the upper support 1, the bottom support 4, the rear support 5 and the front support 3 are propped up and then are connected with the inner surface of the main tunnel I in a propping way; the central height of the equipment can be adjusted by adjusting the feeding amount of the bottom support and the upper support; after the device is completely propped, the constraint of four degrees of freedom of y, z, y rotation and z rotation of the device in the main tunnel I is realized. Each oil cylinder is connected with a hydraulic station and an electric control station. The main frame 2 comprehensively utilizes the cylinder sleeves of the upper support and the bottom support to serve as the stand columns, so that an intensive design is formed, the novel hydraulic lifting device is suitable for application in a narrow space, and of course, the bottom of the main frame is also required to be provided with rollers so as to be convenient for walking along a distributed track in the main tunnel I.
The bottom plate 21 and the top plate 22 of the main frame 2 are provided with a y-direction guide rail 211 and an X-direction pipe feeding rail 212, and the X-direction pipe feeding rail 212 is provided with a waiting position 2120. The splicing sleeve is continuously fed until the splicing sleeve is delivered to the splicing sleeve position for convenience.
An X-shaped sleeve support structure 23 is arranged at the front edge of the main frame 2 facing the direction of the connecting channel III and is used for supporting the sleeve. The whole sleeve is prevented from swinging and swaying during working, or the tail end is tilted, or the sleeve is retracted during stopping, so that the jacking posture of the sleeve is ensured, and the annular digging precision is improved.
A rear support cylinder connecting position 52 which is matched with the rear support cylinder 51 in position is arranged on the rear support 5 and is used for connecting a piston rod end of the rear support cylinder connecting position 52;
the rear support 5 is also provided with a driving device accommodating groove 53, and the driving device accommodating groove 53 is positioned at two sides of the cross section outline of the connecting channel III and is used for accommodating a motor or a motor of the driving device;
the rear support 5 is also provided with a thrust cylinder positioning position 54, and the thrust cylinder positioning position 54 is positioned at two ends of the driving device accommodating groove 53 and is used for bearing the outer end of a piston rod of the thrust cylinder;
the rear support 5 is also provided with a soil-surge-preventing support cylinder setting position 55, and the soil-surge-preventing support cylinder setting position 55 is arranged in the space of the cross section outline of the connecting channel III and is used for fixing the cylinder body of the soil-surge-preventing support cylinder.
The main frame 2 of the frame structure is provided with a main frame lower part 201 and a main frame upper part 202, wherein the main frame lower part 201 comprises eight bottom support oil cylinders 41 which are fixedly and vertically connected to four corners of a bottom plate 21, and the moving piston rods of the bottom support oil cylinders 41 face to the lower direction; the upper part 202 of the main frame comprises eight upper support cylinders 11 which are fixedly and vertically connected to four corners of the top plate 22, and the moving piston rods of the upper support cylinders 11 face to the upper direction;
the bottom of the upper support cylinder 11 of the main frame upper portion 202 and the top of the bottom support cylinder 41 of the main frame lower portion 201 are fixedly connected by a connecting plate. The upper support cylinder and the bottom support cylinder are arranged on the same axis in the z direction.
The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.
Claims (5)
1. Main frame device of horizontal full-circle sleeve jacking equipment, its characterized in that includes: a main frame (2), a bottom plate (21) and a top plate (22);
the main frame (2) is of a frame structure and comprises four groups of upright posts in the z direction, wherein the four groups of upright posts are formed by coaxially connecting cylinder sleeves of an upper supporting cylinder (11) and a bottom supporting cylinder (41), the bottom plate (21) is arranged at the bottom, and the top plate (22) is arranged at the top; a front support cylinder (31) is arranged on the surface of the upright post of the main frame (2) facing the excavation direction of the connecting channel (III); a rear support cylinder (51) is arranged on the back of the main frame (2).
2. The main frame device of the horizontal full-circle casing jacking equipment according to claim 1, wherein the upper support cylinder (11) is connected with an upper support (1) with a poor arc-shaped section, a casing suspension guide rail (12) is arranged at the bottom of the upper support (1), the bottom support cylinder (41) is connected with a bottom support (4), the rear support cylinder (51) is connected with a rear support (5), the front support cylinder (31) is connected with a front support (3), and the middle part of the front support (3) is provided with a space larger than the section outline of the communication channel (iii); the upper support (1), the bottom support (4), the rear support (5) and the front support (3) are propped up and then are connected with the inner surface of the main tunnel (I) in a propping way; the Y-direction guide rail (211) and the X-direction pipe conveying track (212) are arranged on the bottom plate (21) and the top plate (22) of the main frame (2), and a position to be conveyed (2120) is arranged on the X-direction pipe conveying track (212).
3. Mainframe means of a horizontal full-convolution tube jacking device according to claim 1, characterized in that an X-shaped tube support structure (23) is provided at the front edge of the mainframe (2) facing the direction of the connecting channel (iii) for supporting the tube.
4. The main frame device of the horizontal full-circle casing jacking device of claim 1, wherein,
a rear support oil cylinder connecting position (52) which is matched with the rear support oil cylinder (51) in position is arranged on the rear support (5) and is used for connecting a piston rod end of the rear support oil cylinder connecting position (52);
the rear support (5) is also provided with a driving device accommodating groove (53), and the driving device accommodating groove (53) is positioned at two sides of the cross section outline of the connecting channel (III) and is used for accommodating a motor or a motor of a driving device;
a pushing oil cylinder setting position (54) is also arranged on the rear support (5), and the pushing oil cylinder setting position (54) is positioned at two ends of the driving device accommodating groove (53) and is used for bearing the outer end of a piston rod of the pushing oil cylinder;
the rear support (5) is also provided with a soil-surge-preventing support oil cylinder setting position (55), and the soil-surge-preventing support oil cylinder setting position (55) is arranged in the space of the cross section outline of the connecting channel (III) and used for fixing the cylinder body of the soil-surge-preventing support oil cylinder.
5. Mainframe device of a horizontal full-circle jacking apparatus according to claim 1, characterized in that the mainframe (2) of a frame structure is provided with a mainframe lower part (201) and a mainframe upper part (202), the mainframe lower part (201) comprises eight bottom support cylinders (41) fixedly and vertically connected to four corners of the bottom plate (21), and a moving piston rod of the bottom support cylinders (41) faces to a lower direction; the upper part (202) of the main frame comprises eight upper support oil cylinders (11) which are fixedly and vertically connected to four corners of the top plate (22), and a moving piston rod of each upper support oil cylinder (11) faces to the upper direction;
the bottom of the upper supporting oil cylinder (11) of the upper part (202) of the main frame is fixedly connected with the top of the bottom supporting oil cylinder (41) of the lower part (201) of the main frame through a connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322086456.1U CN220395700U (en) | 2023-08-03 | 2023-08-03 | Main frame device of horizontal full-convolution sleeve jacking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322086456.1U CN220395700U (en) | 2023-08-03 | 2023-08-03 | Main frame device of horizontal full-convolution sleeve jacking equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220395700U true CN220395700U (en) | 2024-01-26 |
Family
ID=89614669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322086456.1U Active CN220395700U (en) | 2023-08-03 | 2023-08-03 | Main frame device of horizontal full-convolution sleeve jacking equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220395700U (en) |
-
2023
- 2023-08-03 CN CN202322086456.1U patent/CN220395700U/en active Active
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