Separated counter-force structure for jacking of double-line jacking pipe

Abstract

The utility model relates to the field of traffic construction, in particular to a separation type counter-force structure for double-line jacking pipe jacking, the separation type counter-force structure for double-line jacking pipe jacking comprises a base, a separation assembly and a propelling assembly, one side of the base is fixedly connected with the side wall, away from a hole opening, of a starting well, and the other side of the base is connected with the separation assembly; the end, away from the base, of the separation assembly is fixedly connected with the propelling assembly, the end, away from the separation assembly, of the propelling assembly abuts against the jacking pipe, and the propelling assembly is used for propelling the jacking pipe into the hole. And the separation assembly comprises two supporting arms, the two supporting arms are horizontally arranged and both slidably connected with the base, a driving assembly is arranged between the two supporting arms, the driving assembly is used for controlling the two supporting arms to be close to or away from each other, and the effect of reducing the construction cost during double-line pipe jacking operation is achieved.

Description

Technical Field

[0001] This application relates to the field of traffic construction, and particularly to a separated reaction force structure for double-line pipe jacking. Background Art

[0002] Currently, the reaction force structure of pipe jacking is a key part affecting the smooth pipe jacking. A pipe jacking reaction force structure with sufficient strength can prevent risks such as insufficient reaction force during pipe jacking and difficulty in pipe jacking, thus ensuring the smooth construction of pipe jacking.

[0003] For existing structures that require double-line pipe jacking, two corresponding reaction force structure bases need to be set at the end of the integral reaction force structure.

[0004] The above prior art solutions have the following defects: setting two reaction force structure bases increases the project cost. Utility Model Content

[0005] In order to achieve the effect of reducing the project cost during double-line pipe jacking operation, this application provides a separated reaction force structure for double-line pipe jacking.

[0006] The above technical objectives of this application are achieved through the following technical solutions:

[0007] A separated reaction force structure for double-line pipe jacking, the device is arranged in the launching shaft. The device includes a base, a separation component and a propulsion component. One side of the base is fixedly connected to the side wall of the launching shaft far from the hole, the other side of the base is connected to the separation component, the end of the separation component far from the base is fixedly connected to the propulsion component, and the end of the propulsion component far from the separation component abuts against the pipe jacking. The propulsion component is used to push the pipe jacking into the hole; the separation component includes two support arms, the two support arms are arranged horizontally, both support arms are slidably connected to the base, and a driving component is arranged between the two support arms. The driving component is used to control the mutual approach or separation between the two support arms.

[0008] By adopting the above solution, due to the setting of the base, the base provides reaction force for the pipe jacking operation of this reaction force structure. Also, due to the setting of two support arms, each support arm can be used for the pipe jacking operation of one line of pipe jacking. And a driving component is set, and the driving component can control the mutual approach or separation between the two support arms, thereby being able to control the distance between the two support arms, and further being able to apply this device under different pipe jacking distances, achieving the effect of reducing the project cost during double-line pipe jacking operation.

[0009] Further, each of the support arms includes an annular frame and a connecting rod. A plurality of annular frames and a plurality of connecting rods are provided. The plurality of annular frames are coaxially arranged, and the plurality of connecting rods are arranged around the circumferential side of the annular frame. The connecting rods are fixedly connected to the annular frame.

[0010] By adopting the above scheme, a plurality of annular frames are provided, and a plurality of connecting rods are evenly connected to the circumferential side of the annular frame, so that the force between each connecting rod is more uniform, and thus the support arm is more stable.

[0011] Further, the driving assembly includes a gear, a first rack, a second rack and a motor. The motor is fixedly connected to the working surface, the output end of the motor is fixedly connected to the gear, the first rack and the second rack are respectively arranged on both sides of the gear and are both meshed with the gear, and the mutually remote ends of the first rack and the second rack are respectively abutted against the two support arms.

[0012] By adopting the above scheme, the motor can drive the gear to rotate. Since the first rack and the second rack are respectively arranged on both sides of the gear, when the gear rotates, the gear can drive the first rack and the second rack to move in opposite directions. Also, since the mutually remote ends of the first rack and the second rack are respectively abutted against the two support arms, the first rack and the second rack can push the two support arms to move in the mutually remote direction.

[0013] Further, sleeves are fixedly connected to the mutually remote ends of the first gear and the second gear, and each sleeve is sleeved on the cross bar close to it.

[0014] By adopting the above scheme, the sleeves are sleeved on the cross bars of the two support arms, and the two sleeves are respectively fixedly connected to the first rack and the second rack. When the motor is driven, the motor drives the gear to rotate, and the gear drives the first rack and the second rack to approach each other. Driven by the sleeves, the two support arms approach each other.

[0015] Further, locking assemblies are arranged at the mutually remote ends of the two support arms. Each locking assembly includes a locking plate and a setscrew. The side wall of each locking plate is fixedly connected to the side wall of the base. A threaded hole is formed in each locking plate, each setscrew is threadedly connected to the threaded hole, and each setscrew passes through the threaded hole and abuts against the support arm.

[0016] By adopting the above scheme, when the setscrew is rotated, the setscrew moves in the direction close to the support arm through the threaded hole until the setscrew abuts against the support arm. At this time, two mutually opposing forces are formed between the setscrew and the driving assembly, and thus the position of the support arm is locked.

[0017] Further, a U-shaped plate is fixedly connected to the end of each setscrew close to the support arm, and the U-shaped groove of the U-shaped plate is in clamping fit with the cross bar.

[0018] By adopting the above solution, the U-shaped groove of the U-shaped plate is clamped and matched with the cross bar, which can prevent the contact area between the first rack and the second rack from being too small, resulting in the deviation of the position between the first rack or the second rack and the cross bar.

[0019] Furthermore, the base includes several support frames and fixing rods. Each support frame is trapezoidal, and several support frames are coaxially placed. Each fixing rod is fixedly connected to the support frame. One end of several fixing rods close to the hole is provided with a fixing plate, and several fixing rods are all connected to the fixing plate. The end of the fixing plate away from the fixing rod is fixedly connected to the separation component.

[0020] Furthermore, a cross brace is arranged in each support frame, and both ends of each cross brace are fixedly connected to the side wall of the support frame. The cross brace is used to divide the support frame into several support units.

[0021] By adopting the above solution, several cross braces are arranged in each support frame to divide each support frame into several support units. Each fixing rod passes through the cross braces of each support frame and is fixedly connected to each cross brace, making the base more stable. And because a fixing plate is provided, the fixing plate is used to connect the separation component.

[0022] In summary, the present application has the following technical effects:

[0023] 1. By setting a split reaction structure, the base provides reaction force for the reaction structure during the pipe jacking operation. And because two support arms are provided, each support arm can be used for the pipe jacking operation of one line. A driving member is also provided, and the driving member can control the mutual approach or separation between the two support arms, thereby being able to control the distance between the two support arms, and further enabling the device to be applied under different pipe jacking distances, achieving the effect of reducing the project cost during the double-line pipe jacking operation;

[0024] 2. By setting a driving component, a first rack and a second rack are respectively arranged on both sides of the gear. When the gear rotates, the gear can drive the first rack and the second rack to move in opposite directions. And because the mutually separated ends of the first rack and the second rack are respectively abutted against the two support arms, the first rack and the second rack can push the two support arms to move in the mutually separated direction;

[0025] 3. By setting a locking component, when the adjusting screw is rotated, the adjusting screw moves in the direction close to the support arm through the threaded hole until the adjusting screw abuts against the support arm. At this time, two mutually opposing forces are formed between the adjusting screw and the driving component, thereby locking the position of the support arm. Description of the Drawings

[0026] Figure 1It is a schematic structural diagram of a split reaction force structure for double-line pipe jacking in this application;

[0027] Figure 2 It is a schematic diagram of the overall structure of this application;

[0028] Figure 3 It is a schematic structural diagram of the sliding component of this application;

[0029] Figure 4 It is a schematic structural diagram of the driving component of this application.

[0030] In the figure, 1 is the base; 11 is the support frame; 12 is the fixed rod; 13 is the cross brace; 14 is the fixed plate; 2 is the separation component; 21 is the support arm; 211 is the annular frame; 212 is the connecting rod; 3 is the propulsion component; 31 is the propulsion member; 32 is the third bearing plate; 4 is the driving component; 41 is the gear; 42 is the first rack; 43 is the second rack; 5 is the sliding component; 51 is the first bearing plate; 52 is the slider; 6 is the collar; 7 is the locking component; 71 is the locking plate; 72 is the setscrew; 8 is the U-shaped plate; 9 is the second bearing plate. Detailed implementation manners

[0031] The following further elaborates on this application in conjunction with the attached drawings.

[0032] Refer to Figure 1 and Figure 2 A split reaction force structure for double-line pipe jacking provided in this embodiment includes a base 1, a separation component 2, and a propulsion component 3. One side of the base 1 is fixedly connected to the side wall of the launching shaft away from the hole opening, and the other side of the base 1 is connected to the separation component 2. The separation component 2 includes two support arms 21. Each support arm 21 is correspondingly provided with a pushing and tightening component. One end of each pushing and tightening component away from the support arm 21 is used to push the pipe jack into the hole opening.

[0033] Refer to Figure 1 and Figure 2 Each base 1 includes a support frame 11, a fixed rod 12, a cross brace 13, and a fixed plate 14. A number of support frames 11 are provided. Each support frame 11 is trapezoidal, and a number of support frames 11 are coaxially placed. Each support frame 11 is fixedly connected to the bottom wall of the launching shaft; A number of cross braces 13 are arranged in each support frame 11. In this embodiment, two cross braces 13 are arranged in each support frame 11. Both ends of each cross brace 13 are fixedly connected to the side wall of the support frame 11. The cross brace 13 is used to divide the support frame 11 into a number of support units; Each fixed rod 12 is horizontally placed, and each fixed rod 12 is fixedly connected to all the cross braces 13 on the same horizontal plane. In this embodiment, two fixed rods 12 are arranged on each cross brace 13. One ends of a number of fixed rods 12 are fixedly connected to the side wall of the launching shaft away from the hole opening, and the other ends of a number of fixed rods 12 are fixedly connected to the fixed plate 14.

[0034] Refer to Figures 1-3 Figures 1-3 , a sliding component 5 is arranged between the fixed plate 14 and the separating component 2. Each support arm 21 is correspondingly provided with a sliding component 5. Each sliding component 5 includes a first bearing plate 51 and a slider 52. The first bearing plate 51 is fixedly connected to one end of the support arm 21 close to the fixed plate 14. The slider 52 is fixedly connected to one end of the first bearing plate 51 away from the support arm 21. A chute is formed on the fixed plate 14, and the slider 52 is slidably connected to the chute, so that both support arms 21 are slidably connected to the fixed plate 14.

[0035] A driving component 4 is arranged between the two support arms 21. The driving component 4 includes a motor, a gear 41, a first rack 42 and a second rack 43. The motor is fixedly connected to the working surface, and the output end of the motor is fixedly connected to the gear 41. The first rack 42 and the second rack 43 are respectively arranged on both sides of the gear 41 and are both meshed with the gear 41. Collars 6 are arranged at the mutually remote ends of the first rack 42 and the second rack 43. The two collars 6 are respectively fixedly connected to the first rack 42 and the second rack 43, and the two collars 6 are respectively sleeved on the two support arms 21.

[0036] Refer to Figure 1 、 Figure 2 and Figure 4 Figure 4 , a locking component is arranged on the mutually remote side of each support arm 21. Each locking component includes a locking plate 71 and a setscrew 72. The side wall of each locking plate 71 is fixedly connected to the fixed plate 14. A threaded hole is formed in each locking plate 71. Each setscrew 72 passes through the threaded hole and abuts against the support arm 21. When the setscrew 72 is rotated, the setscrew 72 moves in the direction close to the support arm 21 through the threaded hole until the setscrew 72 abuts against the support arm 21. At this time, two mutually opposing forces are formed between the setscrew 72 and the driving component 4, so that the position of the support arm 21 is locked.

[0037] Refer to Figure 2 Figure 2 , each support arm 21 includes an annular frame 211 and a connecting rod 212. A plurality of annular frames 211 and connecting rods 212 are provided. The plurality of annular frames 211 are coaxially arranged. The plurality of connecting rods 212 are evenly arranged around the circumferential side of the annular frame 211. Each connecting rod 212 is fixedly connected to the annular frame 211. One end of the plurality of connecting rods 212 close to the base 1 is fixedly connected to the first bearing plate 51, and the other ends of the plurality of connecting rods 212 are fixedly connected to the second bearing 9 plate.

[0038] Refer to Figure 1 and Figure 2, a propulsion component 3 is correspondingly provided for each support arm 21. Each propulsion component 3 includes a pusher 31 and a third bearing plate 32. In this embodiment, the pusher 31 is preferably a cylinder. One end of each pusher away from the hole is fixedly connected to the second bearing plate 9, and one end of each pusher 31 close to the hole is fixedly connected to a third bearing plate 32.

[0039] The implementation principle of a split reaction force structure for double-line pipe jacking in an embodiment of the present application is as follows: when using this structure, first turn on the motor. The motor drives the gear 41 to rotate. The rotation of the gear 41 drives the first rack 42 and the second rack 43 to approach or move away from each other. The movement of the first rack 42 and the second rack 43 drives the two support arms 21 to move along the fixed plate 14, thereby controlling the approach or separation of the two support arms 21 until the two support arms 21 correspond to the holes in the launching shaft, that is, the pusher 31 corresponds to the holes. Then, rotate the two jackscrews 72 in sequence until the two jackscrews 72 are respectively abutted against the two support arms 21, and then this structure can be used for double-line pipe jacking operation.

[0040] This specific embodiment is only an interpretation of the present application and does not limit the present application. Those skilled in the art can make modifications without creative contributions to this embodiment after reading this specification, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

Claims

1. A separate reaction force structure for double-line pipe jacking, characterized in that: The utility model comprises a base (1), a separation component (2) and a propulsion component (3); one side of the base (1) is fixedly connected to the side wall of the starting well away from the cave entrance; the other side of the base (1) is connected to the separation component (2); one end of the separation component (2) away from the base (1) is fixedly connected to the propulsion component (3); one end of the propulsion component (3) away from the separation component (2) is in contact with the top pipe; the propulsion component (3) is used to propel the top pipe into the cave entrance; the separation component (2) comprises two support arms (21); the two support arms (21) are horizontally arranged; the two support arms (21) are slidably connected to the base (1); a driving component (4) is arranged between the two support arms (21); the driving component (4) is used to control the two support arms (21) to move closer to or farther away from each other.

2. A separate reaction force structure for double-line pipe jacking according to claim 1, characterized in that: Each support arm (21) comprises an annular frame (211) and a connecting rod (212); a plurality of the annular frames (211) and the connecting rod (212) are provided; the plurality of annular frames (211) are coaxially arranged; a plurality of connecting rods (212) are arranged around the circumference of the annular frame (211); and the connecting rod (212) is fixedly connected to the annular frame (211).

3. The separate reaction force structure for double-line pipe jacking according to claim 1 is characterized in that: The driving assembly (4) comprises a gear (41), a first rack (42), a second rack (43) and a motor; the motor is fixedly connected to the working surface; the output end of the motor is fixedly connected to the gear (41); the first rack (42) and the second rack (43) are respectively arranged on both sides of the gear (41) and are both meshed with the gear (41); and the ends of the first rack (42) and the second rack (43) that are away from each other are respectively in contact with the two support arms (21).

4. A separate reaction force structure for double-line pipe jacking according to claim 3, characterized in that: The ends of the first rack (42) and the second rack (43) that are away from each other are fixedly connected with a sleeve (6), and each sleeve (6) is sleeved on a crossbar close to it.

5. The separate reaction force structure for double-line pipe jacking according to claim 1 is characterized in that: A locking assembly (7) is provided at one end of the two support arms (21) that is away from each other. Each locking assembly (7) comprises a locking plate (71) and a top screw (72). The side wall of each locking plate (71) is fixedly connected to the side wall of the base (1). Each locking plate (71) is provided with a threaded hole. Each top screw (72) is threadedly connected to the threaded hole. Each top screw (72) passes through the threaded hole and abuts against the support arm (21).

6. A separate reaction force structure for double-line pipe jacking according to claim 5, characterized in that: One end of each top screw (72) close to the support arm (21) is fixedly connected to a U-shaped plate (8), and the U-shaped groove of the U-shaped plate (8) is engaged with the cross bar.

7. The separate reaction force structure for double-line pipe jacking according to claim 1 is characterized in that: The base (1) comprises a plurality of support frames (11) and fixed rods (12), each support frame (11) is trapezoidal, the plurality of support frames (11) are coaxially arranged, each fixed rod (12) is fixedly connected to the support frame (11), a fixed plate (14) is provided at one end of the plurality of fixed rods (12) close to the hole, the plurality of fixed rods (12) are connected to the fixed plate (14), and an end of the fixed plate (14) away from the fixed rod (12) is fixedly connected to the separation assembly (2).

8. A separate reaction force structure for double-line pipe jacking according to claim 7, characterized in that: Each support frame (11) is provided with a cross brace (13), both ends of each cross brace (13) are fixedly connected to the side wall of the support frame (11), and the cross brace (13) is used to divide the support frame (11) into a plurality of support units.

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