Supporting device for pipe jacking construction

Abstract

The utility model discloses a supporting device for pipe jacking construction, which belongs to the technical field of pipe jacking construction, and comprises a fixing mechanism and a supporting mechanism, the fixing mechanism comprises a bottom plate and a supporting frame; the supporting mechanism comprises a track and a ball; by arranging the independent track structure, the tracks are installed on the movable frame, the height of the movable frame is adjustable, the distance between the two tracks can be changed by adjusting the position of the supporting frame, different construction requirements are met, and the third reinforcing plates correspondingly arranged at the balls of the tracks can enhance the structural strength of the tracks. A rubber pad at the joint of the track and the movable frame is pressed when the track is installed, vibration buffering protection is provided for the track while the track amplitude is prevented from being too large, the damaged track can be independently replaced when the track generates plastic deformation or fatigue cracks, and the overall maintenance cost is reduced. And adaptability adjustment can be conveniently carried out on the track according to different pipe jacking construction requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to a supporting device for pipe jacking construction belongs to pipe jacking construction technical field. BACKGROUND

[0002] In the pipe jacking construction process, it is needed to provide stable support structure inside the working pit, so as to effectively push the pipe jacking machine forward and ensure that the pipe material will not be deformed or collapsed in the process of advancing due to the change of ground or underground conditions, the traditional supporting mode usually relies on artificial stacking or uses simple frame structure, this mode is not only inefficient, but also cannot provide enough strength and stability, which is easy to cause safety hidden trouble and quality problem in the construction process;

[0003] Chinese patent application (CN202221463424.8) discloses a supporting rail for pipe jacking construction, which can adjust the track spacing and horizontal height, thereby improving the construction efficiency, however, when using, since the track and the adjusting structure are integrally arranged, and the track is provided with balls to reduce friction, the balls on the track bear force, which will cause the service life of the track to be shortened due to large bearing force and high frequency vibration, so that the whole track needs to be replaced when plastic deformation or fatigue cracks occur, the damaged track cannot be replaced independently, which increases the maintenance cost of the supporting device and affects the subsequent construction progress;

[0004] To solve the above technical problems, a supporting device for pipe jacking construction is provided. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at the deficiencies of prior art, provides a kind of supporting device for pipe jacking construction, to reach the purpose that damaged track can be replaced individually when plastic deformation or fatigue cracks occur in track.

[0006] A supporting device for pipe jacking construction, comprising a fixing mechanism and a supporting mechanism, the fixing mechanism comprises a bottom plate and a support frame, the bottom plate is equidistantly distributed on the bottom of the support frame, two support frames are symmetrically arranged, the top of the support frame is provided with a movable frame, the top of the movable frame is integrally formed with a groove, and the groove of the movable frame is fixedly connected with a rubber pad;

[0007] The supporting mechanism comprises a track and a ball, two tracks are symmetrically arranged on the top of the movable frame, the track is clamped with the movable frame, the bottom of the track is integrally formed with a protrusion equidistantly distributed, the top of the movable frame is integrally formed with a groove equidistantly distributed, the protrusion is clamped with the groove, one side of the movable frame is provided with a limiting frame, the inner side top of the limiting frame is fixedly connected with a limiting block equidistantly distributed, and the ball is equidistantly distributed and installed on the top of the track.

[0008] Further, the bottom of the bottom plate is symmetrically and fixedly connected with a fixed plate, both sides of the fixed plate are fixedly connected with first reinforcing plates at equal intervals, and the first reinforcing plates are fixedly connected with the bottom plate.

[0009] Further, the top of the bottom plate is provided with fixed holes at equal intervals, the inside of the support frame is symmetrically and screw-connected with bolts at equal intervals, one end of the bolt is screw-connected with the fixed hole, and both sides of the support frame are fixedly connected with second reinforcing plates at equal intervals.

[0010] Further, the inside of the support frame is mounted with hydraulic cylinders at equal intervals, the piston rod of the hydraulic cylinder is fixedly connected with the movable frame, and the piston rod of the hydraulic cylinder penetrates through the limiting frame.

[0011] Further, one side of the track is fixedly connected with third reinforcing plates at equal intervals.

[0012] Further, the inside of the support frame is provided with sliding grooves at equal intervals, the sliding grooves are slidingly connected with sliding blocks, one side of the sliding block is fixedly connected with the movable frame, and the sliding block penetrates through the limiting frame.

[0013] Beneficial effects:

[0014] The utility model discloses a track structure is set up independently, installs the track on the movable frame, and the movable frame height is adjustable, and the distance of two tracks can change through adjusting the position of the support frame, satisfies different construction demand, and the third reinforcing plate corresponding to the ball place of the track can enhance the structural strength of the track, and the rubber pad at the connecting place of the track and the movable frame is pressed when installing the track, prevents the track amplitude too big, and provides shock buffering protection for the track, can replace the damaged track alone when the track produces plastic deformation or fatigue crack, reduces the overall maintenance cost, is convenient for the adaptability adjustment of track according to different pipe jacking construction demand, and the third reinforcing plate corresponding to the ball place of the track can increase the bearing capacity of the ball place, thereby prolongs the service life of the track. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the structure schematic drawing of the utility model;

[0016] Figure 2 It is the structure schematic drawing of the bottom plate in the utility model;

[0017] Figure 3 It is the connecting structure schematic drawing of the support frame in the utility model;

[0018] Figure 4 It is the installation structure schematic drawing of the track in the utility model.

[0019] In the figure: 10, fixed mechanism; 11, bottom plate; 12, fixed hole; 13, fixed plate; 14, first reinforcing plate; 15, support frame; 16, bolt; 17, second reinforcing plate; 18, hydraulic cylinder; 19, sliding groove; 31, movable frame; 32, rubber pad; 33, sliding block; 20, supporting mechanism; 21, track; 22, ball bearing; 23, third reinforcing plate; 24, protrusion; 25, groove; 26, limiting frame; 27, limiting block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 protection scope of the utility model.

[0021] Please refer to Figures 1-4 As shown in the figure, a supporting device for pipe jacking construction is composed of a fixed mechanism 10 and a supporting mechanism 20.

[0022] The fixed mechanism 10 comprises a bottom plate 11 and a support frame 15, the bottom plate 11 is equidistantly arranged at the bottom of the support frame 15, two support frames 15 are symmetrically arranged, the top of the support frame 15 is provided with a movable frame 31, the top of the movable frame 31 is integrally formed with a groove, and the groove of the movable frame 31 is fixedly connected with a rubber pad 32.

[0023] As a technical optimization scheme of the utility model, in order to facilitate the horizontal height adjustment of the movable frame 31, the inside of the support frame 15 is equidistantly arranged with a hydraulic cylinder 18, the piston rod of the hydraulic cylinder 18 is fixedly connected with the movable frame 31, the inside of the support frame 15 is equidistantly arranged with a sliding groove 19, the inside of the sliding groove 19 is slidably connected with a sliding block 33, one side of the sliding block 33 is fixedly connected with the movable frame 31, and the sliding block 33 enhances the stability of the movable frame 31.

[0024] As a technical optimization scheme of the utility model, in order to facilitate the adjustment of the distance between the two support frames 15, the top of the bottom plate 11 is equidistantly arranged with a fixed hole 12, the inside of the support frame 15 is equidistantly and symmetrically screw-connected with a bolt 16, one end of the bolt 16 is screw-connected with the fixed hole 12, and the two sides of the support frame 15 are both equidistantly fixedly connected with a second reinforcing plate 17.

[0025] As a technical optimization scheme of the utility model, in order to enhance the stability of the bottom plate 11 and prevent the position deviation of the bottom plate 11, the bottom of the bottom plate 11 is symmetrically fixedly connected with a fixed plate 13, the two sides of the fixed plate 13 are both equidistantly fixedly connected with a first reinforcing plate 14, and the first reinforcing plate 14 is fixedly connected with the bottom plate 11.

[0026] The support mechanism 20 comprises rails 21 and balls 22, two rails 21 are symmetrically arranged on the top of the movable frame 31, the rails 21 are clamped with the movable frame 31, the bottom of the rails 21 is integrally formed with protrusions 24 which are equidistantly distributed, the top of the movable frame 31 is integrally formed with recesses 25 which are equidistantly distributed, the protrusions 24 are clamped with the recesses 25, one side of the movable frame 21 is provided with a limiting frame 26, the inner side of the limiting frame 26 is integrally formed with limiting blocks 27 which are fixedly connected and equidistantly distributed on the top of the rails 21, the balls 22 are equidistantly distributed and installed on the top of the rails 21, the quick installation of the rails 21 is completed through the cooperation of the limiting frame 26 and the protrusions 24, no additional fixing components are needed, the replacement of the rails 21 is quickly completed, and the stability of the rails 21 after installation is ensured.

[0027] As a technical optimization scheme of the utility model, the installation position of the ball 22 is provided with a limiting cylinder, the ball 22 is limited from falling out, and the movable direction of the ball 22 under pressure is limited, the third reinforcing plate 23 which is fixedly connected and equidistantly distributed on one side of the rail 21 is matched, and the bearing capacity of the ball 22 is enhanced.

[0028] As a technical optimization scheme of the utility model, the protrusion 24 is a non-isosceles right triangle, the sharp angle is directed to the same direction as the pipe jacking direction, and the sliding of the rail 21 is prevented during the pipe jacking process.

[0029] Working principle: the slotting of the fixed point of the bottom plate 11 in the working well is carried out, the bottom plate 11 is placed in the working well, the fixed plate 13 at the bottom of the bottom plate 11 is embedded in the slotting of the fixed point, so that the deviation of the bottom plate 11 is prevented, the spacing of the support frame 15 is adjusted according to the support requirement and the pipe size, the support frame 15 is fixed on the bottom plate 11 through the cooperation of the bolt 16 and the fixing hole 12, the rail 21 is attached with the movable frame 31, the protrusion 24 is clamped into the recess 25, then the limiting frame 26 is moved downward, the limiting block 27 in the limiting frame 26 is clamped into the gap between the third reinforcing plates 23, the limiting effect on the rail 21 is enhanced, the transverse movement of the rail 21 is prevented, the rail 21 is stressed during the pipe jacking process, the rail 21 presses the rubber pad 32, the rubber pad 32 provides buffer protection for the rail 21, the rubber pad 32 is pressed tightly to prevent the vibration amplitude of the rail 21 from being too large, the ball 22 on the rail 21 is in contact with the pipe, support is provided and friction is reduced, when the rail 21 is plastically deformed or has a fatigue crack, the rail 21 can be individually disassembled and replaced.

[0030] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0031] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A supporting device for pipe jacking construction, comprising a fixing mechanism (10) and a supporting mechanism (20), characterized in that: the fixing mechanism (10) comprises a bottom plate (11) and a support frame (15), the bottom plate (11) is equidistantly arranged at the bottom of the support frame (15), two support frames (15) are symmetrically arranged, the top of the support frame (15) is provided with a movable frame (31), the top of the movable frame (31) is integrally formed with a groove, and the groove of the movable frame (31) is fixedly connected with a rubber pad (32); the supporting mechanism (20) comprises a track (21) and a ball (22), two tracks (21) are symmetrically arranged at the top of the movable frame (31), the track (21) is clamped with the movable frame (31), the bottom of the track (21) is integrally formed with a protrusion (24) at equal intervals, the top of the movable frame (31) is integrally formed with a groove (25) at equal intervals, the protrusion (24) is clamped with the groove (25), one side of the movable frame (31) is provided with a limiting frame (26), the inner side top of the limiting frame (26) is fixedly connected with a limiting block (27) at equal intervals, and the ball (22) is equidistantly arranged at the top of the track (21).

2. The support device for pipe jacking construction according to claim 1, characterized by: The bottom of the bottom plate (11) is symmetrically fixedly connected with a fixed plate (13), both sides of the fixed plate (13) are fixedly connected with a first reinforcing plate (14) at equal intervals, and the first reinforcing plate (14) is fixedly connected with the bottom plate (11).

3. The support device for pipe jacking construction according to claim 1, wherein: The top of the bottom plate (11) is equidistantly provided with a fixing hole (12), the inside of the support frame (15) is symmetrically screw-connected with a bolt (16) at equal intervals, one end of the bolt (16) is screw-connected with the fixing hole (12), and both sides of the support frame (15) are fixedly connected with a second reinforcing plate (17) at equal intervals.

4. The support device for pipe jacking construction according to claim 1, wherein: The inside of the support frame (15) is equidistantly provided with a hydraulic cylinder (18), the piston rod of the hydraulic cylinder (18) is fixedly connected with the movable frame (31), and the piston rod of the hydraulic cylinder (18) penetrates through the limiting frame (26).

5. The support device for pipe jacking construction according to claim 1, wherein: One side of the track (21) is fixedly connected with a third reinforcing plate (23) at equal intervals.

6. The pipe jacking support device according to claim 1, wherein: The inside of the support frame (15) is equidistantly provided with a sliding groove (19), the inside of the sliding groove (19) is slidingly connected with a sliding block (33), one side of the sliding block (33) is fixedly connected with the movable frame (31), and the sliding block (33) penetrates through the limiting frame (26).

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