Construction structure for preventing jacking pipe from rotating

Abstract

The utility model provides a construction structure for preventing a jacking pipe from rotating, which relates to the technical field of tunnel construction related equipment and comprises a jacking pipe assembly, a connecting assembly, a drilling assembly and a supporting and boosting assembly. The pipe jacking assembly comprises a plurality of pipe jacking single bodies which are sequentially connected through connecting assemblies, so that the pipe jacking single bodies are prevented from rotating mutually. The drilling assembly is connected with one end of the pipe jacking assembly; the supporting and boosting assembly is connected with the end, away from the drilling assembly, of the pipe jacking assembly and used for pushing the drilling assembly to conduct forward drilling operation through the pipe jacking assembly. The technical problem that in the prior art, when a jacking pipe is placed in a tunnel, the jacking pipe rotates, and consequently water supply and drainage pipelines are dislocated is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction related equipment, in particular to a construction structure for preventing pipe jacking from rotating. Background Art

[0002] During the construction of the pipe jacking tunnel, since prefabricated water supply and drainage pipe supports are installed in the pipe jacking tunnel, it is necessary to ensure that the direction of the supports is horizontal. If the supports rotate during the construction process, the water supply and drainage pipes will be misaligned.

[0003] Therefore, it is necessary to ensure that the jacking pipe does not rotate during the jacking construction process; in the existing technology, a hydraulic jack is usually used to jack the jacking pipe, and the other end of the jacking pipe is pushed forward by a machine head and a cutter disc; and in this forward process, the jacking pipe segments often rotate, which in turn causes the water supply pipe to be misaligned, which seriously affects the construction safety and progress of the entire project. Utility Model Content

[0004] The utility model aims to provide a construction structure for preventing pipe jacking from rotating, so as to alleviate the technical problem existing in the prior art that, during the process of placing a pipe jacking in a tunnel, the pipe jacking rotates and thus causes misalignment of water supply and drainage pipes.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] In a first aspect, the utility model provides a construction structure for preventing pipe jacking from rotating, comprising a pipe jacking assembly, a connection assembly, a drilling assembly and a support and boosting assembly;

[0007] The jacking pipe assembly comprises a plurality of jacking pipe monomers connected in sequence by the connecting assembly to prevent the plurality of jacking pipe monomers from rotating relative to each other;

[0008] The drilling assembly is connected to one end of the jacking pipe assembly;

[0009] The support and boost assembly is connected to one end of the jacking pipe assembly away from the drilling assembly, and the support and boost assembly is used to push the drilling assembly forward through the jacking pipe assembly for drilling operations.

[0010] Further, the connection assembly includes a connection piece and a fixing piece, and the fixing piece is connected to the inner wall of the top pipe unit;

[0011] Adjacent fixing members are connected via the connecting member to connect adjacent jacking pipe units.

[0012] Furthermore, the connecting member includes a bolt and a nut, and the bolt passes through the adjacent fixing members in sequence and is connected to the nut.

[0013] Furthermore, the connection components are provided in a plurality of groups, and the plurality of groups of the connection components are distributed at intervals along the circumferential direction of the inner wall of the top pipe monomer.

[0014] Furthermore, the drilling assembly comprises a pipe jacking head and a cutter disc connected to the pipe jacking head, and one end of the pipe jacking head facing away from the cutter disc is connected to the pipe jacking assembly.

[0015] Furthermore, a connecting block is provided at one end of the pipe jacking machine head away from the cutter disc;

[0016] The jacking pipe assembly is detachably connected to the connecting block via the connecting assembly.

[0017] Furthermore, the support and boosting assembly includes a jack and a load-bearing wall, and the load-bearing wall is used to be arranged at the bottom of the jacking working pit;

[0018] The jack is connected to the load-bearing wall and is connected to one end of the jacking pipe assembly away from the drilling assembly. The jack is used to push the jacking pipe assembly in the tunnel so that the drilling assembly drills forward.

[0019] Furthermore, the construction structure for preventing pipe jacking from rotating further includes a plug-in assembly, which is connected to the pipe jacking assembly to connect adjacent pipe jacking units.

[0020] Furthermore, the plug-in assembly includes a positioning plug-in block and a half-trough body connected to the top pipe monomer;

[0021] The adjacent half-trough bodies form a slot body mechanism, and the positioning plug is plugged into the slot body mechanism to connect the two adjacent half-trough bodies.

[0022] Furthermore, the positioning plug block is provided with an insertion connection portion;

[0023] The half-trough body is provided with a slot portion, and the slot portions of two adjacent half-trough bodies are spliced ​​together to form a slot, and the insertion connection portion is plugged into the slot.

[0024] The utility model can achieve the following beneficial effects:

[0025] In the first aspect, the utility model provides a construction structure for preventing a pipe jacking from rotating, comprising a pipe jacking assembly, a connecting assembly, a drilling assembly and a supporting and boosting assembly; the pipe jacking assembly comprises a plurality of pipe jacking units connected in sequence by the connecting assembly to prevent the plurality of pipe jacking units from rotating relative to each other; the drilling assembly is connected to one end of the pipe jacking assembly; the supporting and boosting assembly is connected to one end of the pipe jacking assembly away from the drilling assembly, and the supporting and boosting assembly is used to push the drilling assembly forward for drilling operations through the pipe jacking assembly.

[0026] In the utility model, the jacking pipe assembly can be composed of multiple jacking pipe monomers connected in sequence by connecting assemblies, and a drilling assembly and a supporting and boosting assembly are respectively provided at both ends of the jacking pipe assembly. The jacking pipe assembly and the drilling assembly are both arranged in a horizontally opened tunnel, and the drilling assembly continues to drill along the tunnel through the boosting effect of the supporting and boosting assembly, and the supporting and boosting assembly is arranged in the jacking pipe working well, and the jacking pipe working well is arranged in the vertical direction.

[0027] Compared with the prior art, the construction structure for preventing the jacking pipe from rotating provided by the utility model, during the construction process, pushes the jacking pipe assembly to move by supporting the booster assembly, thereby pushing the drilling assembly to drill along the tunnel. During the drilling process, jacking pipe units are continuously installed to increase the length of the jacking pipe assembly and the drilling depth of the drilling assembly. During this pushing process, multiple jacking pipe units are connected by connecting assemblies to prevent them from rotating during the movement.

[0028] In summary, the utility model at least alleviates the technical problem existing in the prior art that during the process of placing the jacking pipe in the tunnel, the jacking pipe rotates, thereby causing the water supply and drainage pipes to be misplaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 A schematic side view of the internal structure of the construction structure for preventing pipe jacking rotation provided by an embodiment of the utility model;

[0031] Figure 2 A sectional perspective view of a pipe jacking end structure of a construction structure for preventing pipe jacking rotation provided by an embodiment of the utility model;

[0032] Figure 3 for Figure 1 A schematic diagram of the enlarged structure of part A;

[0033] Figure 4 A cross-sectional view of a pipe jacking end structure of a construction structure for preventing pipe jacking rotation provided by an embodiment of the utility model;

[0034] Figure 5 A schematic structural diagram of a pipe jacking connection portion of a construction structure for preventing pipe jacking rotation provided by an embodiment of the utility model;

[0035] Figure 6A schematic three-dimensional structural diagram of the jacking pipe connection portion of the construction structure for preventing jacking pipe rotation provided in an embodiment of the utility model.

[0036] Icons: 1-pipe jacking unit; 2-connecting assembly; 21-connecting piece; 22-fixing piece; 3-drilling assembly; 31-pipe jacking head; 311-connecting block; 32-cutter head; 4-face; 5-jack; 6-load wall; 7-tunnel; 8-pipe jacking working pit; 9-plug-in assembly; 91-positioning plug-in block; 911-insertion connection part; 92-half tank body; 921-slot part. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0038] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0040] In the description of the present utility model, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0041] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0042] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of 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.

[0043] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0044] Embodiment 1

[0045] This embodiment provides a construction structure for preventing pipe jacking from rotating. Figure 1 The construction structure for preventing pipe jacking from rotating comprises a pipe jacking assembly, a connecting assembly 2, a drilling assembly 3 and a supporting and boosting assembly; the pipe jacking assembly comprises a plurality of pipe jacking monomers 1 connected in sequence by the connecting assembly 2 to prevent the plurality of pipe jacking monomers 1 from rotating relative to each other; the drilling assembly 3 is connected to one end of the pipe jacking assembly; the supporting and boosting assembly is connected to one end of the pipe jacking assembly away from the drilling assembly 3, and the supporting and boosting assembly is used to push the drilling assembly 3 forward for drilling operations through the pipe jacking assembly.

[0046] The embodiment of the utility model at least alleviates the technical problem existing in the prior art that during the process of placing the jacking pipe in the tunnel 7, the jacking pipe rotates, thereby causing the water supply and drainage pipes to be misplaced.

[0047] In an embodiment of the utility model, the jacking pipe assembly can be composed of a plurality of jacking pipe units 1 connected in sequence by a connecting assembly 2, and a drilling assembly 3 and a supporting and boosting assembly are respectively provided at both ends thereof. The jacking pipe assembly and the drilling assembly 3 are both arranged in a horizontally opened tunnel 7, and the drilling assembly 3 continues to drill along the tunnel 7 through the boosting effect of the supporting and boosting assembly, and the supporting and boosting assembly is arranged in a jacking pipe working well 8, and the jacking pipe working well 8 is arranged in a vertical direction.

[0048] Compared with the prior art, the construction structure for preventing the jacking pipe from rotating provided by the embodiment of the utility model, during the construction process, pushes the jacking pipe assembly to move by supporting the booster assembly, thereby pushing the drilling assembly 3 to drill along the tunnel 7. During the drilling process, the jacking pipe units 1 are continuously installed to increase the length of the jacking pipe assembly and the drilling depth of the drilling assembly 3. During this pushing process, multiple jacking pipe units 1 are connected by connecting assemblies 2 to prevent them from rotating during the movement.

[0049] In an optional implementation manner of this embodiment, refer to Figure 2 or Figure 5 The connection assembly 2 includes a connection member 21 and a fixing member 22 , and the fixing member 22 is connected to the inner wall of the top pipe monomer 1 ; adjacent fixing members 22 are connected by the connection member 21 to connect adjacent top pipe monomers 1 .

[0050] Specifically: the fixing piece 22 is connected to the inner wall of the top tube unit 1, and the fixing pieces 22 of adjacent top tube units 1 match each other, so that the connecting piece 21 passes through the corresponding fixing pieces 22 of the two top tube units 1 in sequence to complete the connection of the two adjacent top tube units 1.

[0051] Further, refer to Figure 2 or Figure 5 The connecting member 21 includes a bolt and a nut. The bolt passes through the adjacent fixing members 22 in sequence and is connected with the nut.

[0052] Specifically, after the bolts pass through the fixing members 22 of the adjacent top tube units 1 in sequence, nuts are tightened at the free ends thereof to achieve detachable connection of the adjacent top tube units 1 .

[0053] In an optional implementation manner of this embodiment, refer to Figure 4 There are multiple groups of connection components 2, and the multiple groups of connection components 2 are distributed at intervals along the circumferential direction of the inner wall of the top pipe monomer 1.

[0054] Specifically: there are multiple groups of connection components 2, and the multiple groups of connection components 2 are distributed at intervals along the circumferential direction of the inner wall of the top pipe unit 1; when in use, multiple connection components 2 are connected to avoid the top pipe unit 1 rotating due to only a single connection component 2.

[0055] In an optional implementation manner of this embodiment, refer to Figure 3 or Figure 4 The drilling assembly 3 includes a pipe jacking head 31 and a cutter head 32 connected to the pipe jacking head 31 , and one end of the pipe jacking head 31 away from the cutter head 32 is connected to the pipe jacking assembly.

[0056] Specifically: the jacking head 31 is connected to one end of the jacking assembly, and a cutter head 32 is provided at the output end of the jacking head 31. Drilling is performed along the tunnel 7 through the jacking head 31, and a tunnel face 4 is formed in front of the cutter head 32 to facilitate continuous drilling in the tunnel 7.

[0057] Further, refer to Figure 2 A connecting block 311 is provided at one end of the pipe jacking machine head 31 away from the cutter disc 32; the pipe jacking assembly is detachably connected to the connecting block 311 through the connecting assembly 2.

[0058] Specifically: a connecting block 311 is provided at one end of the jacking head 31 away from the cutter disc 32, and preferably, a threaded hole is opened on the connecting block 311, and the jacking head 31 is fixed by passing a bolt through the fixing piece 22 of the corresponding jacking unit 1 and screwing it into the threaded hole of the connecting block 311.

[0059] In an optional implementation manner of this embodiment, refer to Figure 1 The support and boosting assembly includes a jack 5 and a load-bearing wall 6. The load-bearing wall 6 is used to be set at the bottom of the jacking working shaft 8; the jack 5 is connected to the load-bearing wall 6, and the jack 5 is connected to one end of the jacking assembly away from the drilling assembly 3. The jack 5 is used to boost the jacking assembly located in the tunnel 7 so that the drilling assembly 3 drills forward.

[0060] Specifically: the load-bearing wall 6 is vertically arranged at the bottom of the jacking working shaft 8, and one side of the load-bearing wall 6 is against the inner wall of the jacking working shaft 8, and the other side is against the jack 5, and the output end of the jack 5 is connected to the jacking assembly to push the drilling assembly 3 at the other end of the jacking assembly forward for drilling, and after being pushed out for a certain distance, the jack 5 retracts, and a new jacking unit 1 is placed to connect with the existing jacking assembly.

[0061] In an optional implementation manner of this embodiment, refer to Figure 4 or Figure 6 The construction structure for preventing the pipe from rotating further includes a plug-in assembly 9, which is connected to the pipe jacking assembly to connect adjacent pipe jacking monomers 1.

[0062] Specifically: the plug-in assembly 9 is connected to the jacking tube assembly, and preferably, the plug-in assembly 9 is arranged between adjacent jacking tube monomers 1 to limit the adjacent jacking tube monomers 1 along the circumference of the jacking tube monomers 1 to avoid rotation between the adjacent jacking tube monomers 1.

[0063] Further, refer to Figure 6 The plug-in assembly 9 includes a positioning plug-in block 91 and a half-trough body 92 connected to the top tube monomer 1; the adjacent half-trough bodies 92 form a trough body mechanism, and the positioning plug-in block 91 is plugged into the trough body mechanism to connect two adjacent half-trough bodies 92.

[0064] Specifically: the half-trough bodies 92 of the adjacent top tube monomers 1 correspond to each other and are combined into a trough body mechanism. After the two are combined into the trough body mechanism, the positioning plug 91 is inserted into the trough body mechanism to connect the half-trough bodies 92 of the two top tube monomers 1 with the positioning plug 91, thereby realizing the limited connection of the two adjacent top tube monomers 1 through the positioning plug 91.

[0065] Further, refer to Figure 6The positioning plug block 91 is provided with an insert connecting portion 911 ; the half-trough body 92 is provided with a slot portion 921 , the slot portions 921 of two adjacent half-trough bodies 92 are spliced ​​to form a slot, and the insert connecting portion 911 is plugged into the slot.

[0066] Specifically: the two corresponding half-trough bodies 92 are each provided with a slot portion 921, and the two slot portions 921 are combined to form a slot, the shape of which matches the insertion connection portion 911, and the insertion connection portion 911 is inserted into the slot to achieve the effect of connecting the two half-trough bodies 92 through the positioning plug block 91, thereby achieving the limited connection of the two top pipe monomers 1.

[0067] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referenced to each other; the above embodiments in this specification are only used to illustrate the technical solution of the utility model, rather than to limit it; although the utility model is described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that: it is still possible to modify the technical solutions recorded in the aforementioned embodiments, or to replace some or all of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A construction structure for preventing pipe jacking from rotating, characterized in that: It comprises a jacking assembly, a connecting assembly (2), a drilling assembly (3) and a supporting and boosting assembly; The jacking pipe assembly comprises a plurality of jacking pipe monomers (1) connected in sequence by the connecting assembly (2) so as to prevent the plurality of jacking pipe monomers (1) from rotating relative to each other; The drilling assembly (3) is connected to one end of the jacking pipe assembly; The support and boosting assembly is connected to an end of the jacking pipe assembly away from the drilling assembly (3), and the support and boosting assembly is used to push the drilling assembly (3) forward through the jacking pipe assembly to perform drilling operations.

2. The construction structure for preventing pipe jacking from rotating according to claim 1, characterized in that: The connecting assembly (2) comprises a connecting piece (21) and a fixing piece (22), wherein the fixing piece (22) is connected to the inner wall of the top pipe unit (1); Adjacent fixing members (22) are connected via the connecting member (21) to connect adjacent top pipe units (1).

3. The construction structure for preventing pipe jacking from rotating according to claim 2, characterized in that: The connecting member (21) comprises a bolt and a nut, wherein the bolt passes through adjacent fixing members (22) in sequence and is connected to the nut.

4. The construction structure for preventing pipe jacking from rotating according to claim 2 or 3, characterized in that: The connection components (2) are provided in a plurality of groups, and the plurality of groups of the connection components (2) are distributed at intervals along the circumferential direction of the inner wall of the top pipe unit (1).

5. The construction structure for preventing pipe jacking from rotating according to claim 2, characterized in that: The drilling assembly (3) comprises a pipe jacking head (31) and a cutter head (32) connected to the pipe jacking head (31); one end of the pipe jacking head (31) facing away from the cutter head (32) is connected to the pipe jacking assembly.

6. The construction structure for preventing pipe jacking from rotating according to claim 5, characterized in that: A connecting block (311) is provided at one end of the pipe jacking machine head (31) away from the cutter disc (32); The jacking pipe assembly is detachably connected to the connection block (311) via the connection assembly (2).

7. The construction structure for preventing pipe jacking from rotating according to claim 1, characterized in that: The support and boosting assembly comprises a jack (5) and a load-bearing wall (6), wherein the load-bearing wall (6) is used to be arranged at the bottom of the jacking working pit (8); The jack (5) is connected to the load-bearing wall (6), and the jack (5) is connected to an end of the jacking pipe assembly away from the drilling assembly (3). The jack (5) is used to push the jacking pipe assembly located in the tunnel (7) so that the drilling assembly (3) drills forward.

8. The construction structure for preventing pipe jacking from rotating according to claim 1, characterized in that: It also comprises a plug-in assembly (9), which is connected to the jacking pipe assembly to connect adjacent jacking pipe units (1).

9. The construction structure for preventing pipe jacking from rotating according to claim 8, characterized in that: The plug-in assembly (9) comprises a positioning plug-in block (91) and a half-trough body (92) connected to the top pipe unit (1); The adjacent half-trough bodies (92) form a trough body mechanism, and the positioning plug-in block (91) is plugged into the trough body mechanism to connect the two adjacent half-trough bodies (92).

10. The construction structure for preventing pipe jacking from rotating according to claim 9, characterized in that: The positioning plug block (91) is provided with an insertion connection portion (911); The half-trough body (92) is provided with a slot portion (921), the slot portions (921) of two adjacent half-trough bodies (92) are spliced ​​to form a slot, and the insertion connection portion (911) is plugged into the slot.

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