Trenchless pipe jacking rotary supporting assembly

Abstract

The utility model relates to the technical field of plastic steel pipes, and discloses a trenchless pipe jacking rotary supporting assembly which comprises a base, supporting rods are fixedly installed at the four corners of the top of the base, a supporting plate is fixedly installed at the top ends of the supporting rods, sliding grooves are symmetrically formed in the supporting plate in pairs, and supporting adjusting assemblies are arranged in the sliding grooves. Supports are fixedly installed in the middles of the two sides of the supporting plate, a support is fixedly installed at the tops of the supports, a fixing cylinder is fixedly installed in the middle of the top end of the support, and a downward-pressing positioning assembly used for conducting downward-pressing positioning on the plastic steel pipe is arranged in the fixing cylinder; the plastic steel pipe can be supported from the bottom through the supporting wheels, then the rotating ring is rotated to drive the threaded rod to rotate in the fixing cylinder, then the bottom plate is driven to be close to the plastic steel pipe downwards, the rotating wheel is driven to extrude and roll on the top side of the plastic steel pipe downwards, and therefore the plastic steel pipe can be positioned without hindering rotation of the plastic steel pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic steel pipe, specifically to a non-excavation jacking pipe rotating support assembly. BACKGROUND

[0002] Non-excavation technology refers to the use of rock and soil drilling technology to lay, repair and replace pipelines without excavation or with only a small amount of excavation, and the pipelines used for laying are generally plastic steel pipes. When the plastic steel pipe is processed, a plurality of lines need to be opened on its surface.

[0003] The existing processing method generally fixes the plastic steel pipe on the machine tool by a three-jaw chuck, then drives the plastic steel pipe to rotate, and then opens lines on the surface of the plastic steel pipe by a saw blade. However, some plastic steel pipes are large in size, and if they are not supported, the rotating plastic steel pipe will deviate from the center, which will cause the lines to be opened to have different depths and affect the quality of the plastic steel pipe. Therefore, further improvement can be made. SUMMARY

[0004] To solve the above-mentioned problems, the utility model provides the following technical scheme: a non-excavation jacking pipe rotating support assembly, comprising a base, four corners of the top of the base are fixedly installed with support rods, the top end of the support rod is fixedly installed with a support plate, two symmetrical slide grooves are opened in the inside of the support plate, a support adjusting assembly is arranged in the slide groove, a support base is fixedly installed on the both sides of the middle of the support plate, a support bracket is fixedly installed on the top of the support base, a fixed cylinder is fixedly installed on the top end of the middle of the support bracket, and a downward positioning assembly for downward positioning of the plastic steel pipe is arranged in the inside of the fixed cylinder.

[0005] As an optimization, the support plate is in the shape of "M", and the included angle between the adjacent two side edges is a right angle.

[0006] As an optimization, the support adjusting assembly comprises a support frame slidingly connected in the slide groove, a support wheel is rotatably connected to the top of the support frame, a screw rod is fixedly installed on the bottom side center of the support frame, a driven gear is rotatably connected in the slide groove, and the screw rod is rotatably connected to the inside center of the driven gear. By rotating the driven gear outside the screw rod, the screw rod is lifted relative to the driven gear, so the support frame slides along the slide groove, and the distance between the two support wheels can be adjusted.

[0007] As an optimization, the support plate is provided with a slot in the bottom wall of the slide groove, and the screw rod is slidingly inserted into the slot.

[0008] As optimization, the bottom side of the support plate is fixedly provided with a mounting seat at the corresponding sliding groove, an internal reduction motor is fixedly installed in the mounting seat, a driving gear is fixedly installed at one end of the output shaft of the reduction motor, and the driving gear is meshingly connected with a driven gear, the driving gear is driven to rotate by starting the reduction motor, and the driven gear is synchronously rotated by the driving gear.

[0009] As optimization, the lower pressing positioning assembly comprises a threaded rod rotatably arranged in the fixed cylinder, a swivel ring is fixedly installed at the top end of the threaded rod, and a bottom plate is rotatably connected to the bottom end of the threaded rod, contact pieces for abutting against the outer side of the plastic steel pipe are arranged on both sides of the bottom side of the bottom plate, the threaded rod is rotated in the fixed cylinder by rotating the swivel ring, the bottom plate is moved downward to approach the plastic steel pipe, and the contact pieces are pressed on the top side of the plastic steel pipe.

[0010] As optimization, the contact pieces comprise support plates fixedly installed on both sides of the bottom plate, a rotating shaft is rotatably connected in the support plate, rotating wheels are rotatably connected to both ends of the rotating shaft, and the rotating wheels roll against the outer side of the plastic steel pipe, the rotating wheels are pressed downward to roll on the top side of the plastic steel pipe, and the plastic steel pipe is positioned.

[0011] Beneficial effects: The non-excavation top pipe rotating support assembly supports the plastic steel pipe from the bottom through the support wheels, rotates the threaded rod in the fixed cylinder by rotating the swivel ring, moves the bottom plate downward to approach the plastic steel pipe, and drives the rotating wheels to press downward to roll on the top side of the plastic steel pipe, so that the plastic steel pipe can be positioned without hindering the rotation of the plastic steel pipe; the non-excavation top pipe rotating support assembly drives the driving gear to rotate by starting the reduction motor, synchronously rotates the driven gear meshingly connected with the driving gear, drives the screw rod to ascend and descend relative to the driven gear as the driven gear rotates on the outer side of the screw rod, drives the support frame to slide along the sliding groove, and adjusts the distance between the two support wheels, so that the plastic steel pipe of different outer diameters can be conveniently supported from below for rotating machining. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a structural partial cutaway schematic view of the utility model;

[0014] Figure 3 It is a support adjusting structure schematic view of the utility model;

[0015] Figure 4 It is a lower pressing positioning structure schematic view of the utility model.

[0016] In the figure: 1, base; 2, support pole; 3, support plate; 4, support adjusting assembly; 5, support; 6, support; 7, fixed cylinder; 8, lower pressing positioning assembly; 9, support frame; 10, support wheel; 11, screw rod; 12, driven gear; 13, mounting seat; 14, speed reducer motor; 15, driving gear; 16, threaded rod; 17, swivel ring; 18, bottom plate; 19, support plate; 20, rotating shaft; 21, rotating wheel. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] Please refer to Figures 1-2 A kind of trenchless top pipe rotating support assembly, including base 1, the top four corners of base 1 are fixedly installed with support pole 2, the top of support pole 2 is fixedly installed with support plate 3, support plate 3 is "M" shape, and the included angle between adjacent two side folds is right angle, and two two symmetrical sliding grooves are formed in the inside of support plate 3, support adjusting assembly 4 is arranged in sliding groove, support seat 5 is fixedly installed in the middle of both sides of support plate 3, support 6 is fixedly installed on the top of support seat 5, fixed cylinder 7 is fixedly installed in the top middle part of support 6, and lower pressing positioning assembly 8 for pressing and positioning plastic steel pipe is arranged in the inside of fixed cylinder 7;

[0019] Please refer to Figures 2-3 Support adjusting assembly 4 includes support frame 9 slidably connected in sliding groove, support wheel 10 is rotatably connected to the top of support frame 9, screw rod 11 is fixedly installed in the bottom side center of support frame 9, plug groove is formed in the bottom wall of sliding groove, and screw rod 11 is slidably inserted into plug groove, driven gear 12 is rotatably connected in sliding groove, and screw rod 11 is screwed in the inside center of driven gear 12, by turning driven gear 12 on the outside of screw rod 11, screw rod 11 will be lifted relative to driven gear 12, so that support frame 9 will slide along sliding groove, thereby the distance between both sides of support wheel 10 can be adjusted, and different outer diameter plastic steel pipes can be conveniently supported from below for rotating processing;

[0020] Please refer to Figures 2-3The bottom side of the supporting plate 3 is fixedly installed with a mounting seat 13 at the corresponding sliding groove, the inside of the mounting seat 13 is fixedly installed with a reduction motor 14, one end of the output shaft of the reduction motor 14 is fixedly installed with a driving gear 15, and the driving gear 15 is engagedly connected with the driven gear 12, the driving gear 15 is driven to rotate by starting the reduction motor 14, and then the driven gear 12 engagedly connected with the driving gear 15 is synchronously rotated, so that the distance between the two supporting wheels 10 is conveniently adjusted.

[0021] Please refer to Figure 4 The down-pressing positioning assembly 8 comprises a threaded rod 16 screwed in the inside of the fixed cylinder 7, the top end of the threaded rod 16 is fixedly installed with a rotating ring 17, the bottom end of the threaded rod 16 is rotatably connected with a bottom plate 18, the bottom side of the bottom plate 18 is provided with contact pieces for abutting against the outside of the plastic steel pipe, the bottom plate 18 is driven to move downwards by rotating the rotating ring 17 to approach the plastic steel pipe, so that the contact pieces are pressed on the top side of the plastic steel pipe, and then the plastic steel pipe is positioned and limited from above.

[0022] Please refer to Figure 4 The contact piece comprises a supporting plate 19 fixedly installed on the both sides of the bottom plate 18, the inside of the supporting plate 19 is rotatably connected with a rotating shaft 20, the both ends of the rotating shaft 20 are rotatably connected with rotating wheels 21, and the rotating wheels 21 are rolled against the outside of the plastic steel pipe, the rotating wheels 21 are rolled on the top side of the plastic steel pipe by being pressed downwards, so that the plastic steel pipe is positioned, and the rotation of the plastic steel pipe is not hindered.

[0023] In use, first, the plastic steel pipe is placed in the middle of the supporting plate 3, at this time, the plastic steel pipe is supported from the bottom by the supporting wheels 10, then the rotating ring 17 is rotated to drive the threaded rod 16 to rotate in the fixed cylinder 7, and then the bottom plate 18 is driven to move downwards to approach the plastic steel pipe, so that the rotating wheels 21 are rolled on the top side of the plastic steel pipe by being pressed downwards, so that the plastic steel pipe is positioned, and the rotation of the plastic steel pipe is not hindered.

[0024] The driving gear 15 is driven to rotate by starting the reduction motor 14, and then the driven gear 12 engagedly connected with the driving gear 15 is synchronously rotated, and the screw rod 11 is driven to move up and down relative to the driven gear 12 as the driven gear 12 rotates on the outside of the screw rod 11, so that the supporting frame 9 is driven to slide along the sliding groove, and then the distance between the two supporting wheels 10 can be adjusted, and the plastic steel pipes with different outer diameters can be applied.

[0025] In summary, the trenchless pipe-rotating supporting assembly supports the plastic steel pipe from the bottom through the supporting wheels 10, drives the threaded rod 16 to rotate in the fixed cylinder 7 through the rotating ring 17, further drives the bottom plate 18 to move downwards to the plastic steel pipe, and drives the rotating wheel 21 to extrude and roll on the top side of the plastic steel pipe, so as to position the plastic steel pipe and not to hinder the rotation of the plastic steel pipe.

[0026] The driving gear 15 is driven to rotate by starting the speed reducer 14, further drives the driven gear 12 to rotate synchronously, drives the screw rod 11 to move up and down relative to the driven gear 12 as the driven gear 12 rotates outside the screw rod 11, drives the supporting frame 9 to slide along the chute, further adjusts the distance between the two supporting wheels 10, and is applicable to plastic steel pipes with different outer diameters, so as to conveniently support the plastic steel pipes with different outer diameters from the bottom for rotating machining.

Claims

1. A trenchless pipe jacking rotation support assembly comprising a base (1) characterised in that: The top four corners of the base (1) are fixedly installed with supporting rods (2), the top ends of the supporting rods (2) are fixedly installed with supporting plates (3), the inside of the supporting plates (3) are symmetrically provided with sliding grooves, the sliding grooves are provided with supporting adjusting assemblies (4), the middle parts of the two sides of the supporting plates (3) are fixedly installed with supports (5), the top parts of the supports (5) are fixedly installed with brackets (6), the middle parts of the top ends of the brackets (6) are fixedly installed with fixed cylinders (7), the inside of the fixed cylinders (7) are provided with downward positioning assemblies (8) for downward positioning of the plastic steel pipes.

2. The trenchless pipe ramming support assembly of claim 1, wherein: The supporting plate (3) is in "M" shape, and the included angle between the adjacent two side edges is a right angle.

3. The trenchless pipe ramming support assembly of claim 2, wherein: The supporting adjusting assembly (4) comprises a supporting frame (9) slidably connected in the sliding groove, a supporting wheel (10) rotatably connected to the top part of the supporting frame (9), a screw rod (11) fixedly installed at the bottom side center of the supporting frame (9), a driven gear (12) rotatably connected in the sliding groove, and the screw rod (11) is screwed in the inside center of the driven gear (12).

4. The trenchless pipe ramming support assembly of claim 3, wherein: The supporting plate (3) is provided with a slot at the bottom wall of the sliding groove, and the screw rod (11) is slidably inserted in the slot.

5. The trenchless pipe ramming support assembly of claim 3, wherein: The bottom side of the supporting plate (3) is fixedly installed with a mounting seat (13) corresponding to the sliding groove, the inside of the mounting seat (13) is fixedly installed with a speed reducer (14), one end of the output shaft of the speed reducer (14) is fixedly installed with a driving gear (15), and the driving gear (15) and the driven gear (12) are engagedly connected.

6. The trenchless pipe ramming support assembly of claim 1, wherein: The downward positioning assembly (8) comprises a threaded rod (16) screwed in the inside of the fixed cylinder (7), a swivel ring (17) fixedly installed at the top end of the threaded rod (16), a bottom plate (18) rotatably connected to the bottom end of the threaded rod (16), and contact pieces provided at the bottom side of the bottom plate (18) for abutting against the outside of the plastic steel pipe.

7. The trenchless pipe ramming support assembly of claim 6, wherein: The contact piece comprises a support plate (19) fixedly installed at the two sides of the bottom plate (18), a rotating shaft (20) rotatably connected in the inside of the support plate (19), rotating wheels (21) rotatably connected to the two ends of the rotating shaft (20), and the rotating wheels (21) rollingly abut against the outside of the plastic steel pipe.

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