Micro-disturbance excavation device for municipal power pipeline

Abstract

The utility model relates to the field of municipal engineering, and discloses a micro-disturbance excavation device for municipal power pipelines, which comprises an excavation cutter, an expansion assembly is arranged on the rear surface of the excavation cutter, the expansion assembly comprises a storage shell, the storage shell is fixedly connected to the rear surface of the excavation cutter, and the storage shell is fixedly connected to the rear surface of the excavation cutter. A sliding groove is formed in the outer wall of the storage shell, a pushing block is slidably connected to the inner wall of the sliding groove, a sliding ring is slidably connected to the outer wall of the storage shell, the sliding ring is elastically connected with the excavation cutter through a spring, a connecting shell is slidably connected to the outer wall of the storage shell, and a grouting assembly is arranged at the top of the pushing block. According to the grouting device, the expansion assembly is arranged, when the grouting device faces a construction site with the soft soil body, the connecting shell can push the pushing block, the arc-shaped plate is used for extruding the soil body during grouting, the grouting pressure is increased, in this way, the soil body can be further reinforced, meanwhile, the grouting effect is ensured, and the applicability of the grouting device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to municipal engineering field especially, a kind of micro-disturbance excavation device for municipal electric power pipeline. BACKGROUND

[0002] With the acceleration of urbanization, urban infrastructure construction is increasingly improved, and as an important part of urban infrastructure, power pipeline bears the important mission of ensuring urban power supply and improving urban operation efficiency. The laying of municipal power pipeline is an indispensable part of urban development and construction, which is directly related to the power demand of the public.

[0003] The existing municipal power pipeline in construction process, the soil body of different construction ground is not same in soft degree, in the soil body of more soft, it can lead to the grouting pressure of device small, influence grouting effect, lead to the reinforcement effect of slurry to soil body and the reduction effect of excavation disturbance reduce, the applicability of grouting is low, in the soil body of more hard, small catheter for grouting when inserting can extrude the front soil body to four around, it can produce greater disturbance to the soil body around, influence the stability of excavation ground soil body, to this end, a kind of micro-disturbance excavation device for municipal electric power pipeline is proposed to solve the above problems. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a kind of micro-disturbance excavation device for municipal electric power pipeline, to improve the problem of "excavation device uses, the soil body of construction ground is not same in soft degree, in the soil body of more soft, it can lead to the grouting pressure of device small, influence grouting effect, lead to the reinforcement effect of slurry to soil body and the reduction effect of excavation disturbance reduce, the applicability of grouting is low" in prior art.

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

[0006] A kind of micro-disturbance excavation device for municipal electric power pipeline, including excavation cutter, the rear surface of the excavation cutter is provided with expansion assembly;

[0007] The expansion assembly includes a storage shell, the storage shell is fixedly connected to the rear surface of excavation cutter, the outer wall of the storage shell is provided with sliding slot, the inner wall of the sliding slot is slidably connected with push block;

[0008] The outer wall of the storage shell is slidably connected with sliding ring, the sliding ring is elastically connected with excavation cutter by spring, the outer wall of the storage shell is slidably connected with connecting shell;

[0009] The top of the push block is provided with grouting assembly, the grouting assembly includes arc plate, the arc plate is fixedly connected to the upper surface of push block, the inner wall of the arc plate is provided with grouting hole.

[0010] As a further description of the above technical solutions:

[0011] The grouting assembly further comprises a connecting ring, the connecting ring is slidingly connected to the outer wall of the connecting shell, the outer wall of the connecting ring is fixedly connected with a connecting block, and the upper surface of the arc-shaped plate is provided with a protruding block.

[0012] As a further description of the above technical solutions:

[0013] The rear surface of the sliding ring is provided with a groove, and the front surface of the connecting shell is provided with a fixing groove.

[0014] As a further description of the above technical solutions:

[0015] One end of the spring is fixedly connected to the front surface of the sliding ring, and the other end of the spring is fixedly connected to the rear surface of the excavating tool.

[0016] As a further description of the above technical solutions:

[0017] The lower surface of the pushing block is provided with an inclined surface, the pushing block is inserted into the inner wall of the groove, and the pushing block is inserted into the inner wall of the fixing groove.

[0018] As a further description of the above technical solutions:

[0019] The arc-shaped plate is arranged in a rotating array with the center line of the connecting shell as the rotating axis.

[0020] As a further description of the above technical solutions:

[0021] The outer wall of the excavating tool is slidingly connected with a pressing ring, and the inner wall of the pressing ring is provided with an arc-shaped surface.

[0022] As a further description of the above technical solutions:

[0023] The arc-shaped plate and the protruding block are both slidingly connected to the front surface of the connecting block.

[0024] The utility model has the advantages of the following beneficial effects:

[0025] 1、The utility model discloses a grouting device, which comprises a connecting shell, a pushing block, a spring, an excavating tool, an arc-shaped plate and a connecting block.

[0026] 2、The utility model discloses a synchronous grouting and excavation process, and the excavation tool breaks and transports away part of the soil, the arc plate on the connecting shell sends the slurry into the soil by the protruding block, reduces the extrusion of the soil during the grouting process, reinforces the soil and reduces the disturbance, and improves the use effect of the device. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the three-dimensional structure schematic diagram of the whole device in the utility model;

[0028] Figure 2 It is the three-dimensional structure schematic diagram of the spring and the sliding ring in the utility model;

[0029] Figure 3 It is the three-dimensional structure split schematic diagram of the whole device in the utility model;

[0030] Figure 4 It is the three-dimensional structure cross section schematic diagram of the arc plate in the utility model.

[0031] Legend:

[0032] 1, excavation tool, 2, connecting shell, 3, grouting assembly, 31, arc plate, 32, grouting hole, 33, protruding block, 34, connecting ring, 35, connecting block, 4, extrusion ring, 5, expansion assembly, 51, sliding ring, 52, recess, 53, spring, 54, storage shell, 55, sliding groove, 56, fixed groove, 57, push block. DETAILED DESCRIPTION

[0033] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiment.

[0034] Reference Figure 1 - Figure 3The utility model provides a kind of perturbation excavation device for municipal electric power pipeline, including the excavation cutter 1 for breaking conveying soil, the rear surface of excavation cutter 1 is provided with expansion assembly 5 for improving grouting effect, expansion assembly 5 includes the storage shell 54 for installing other components, storage shell 54 is fixedly connected in the rear surface of excavation cutter 1, and excavation cutter 1 is fixed, the outer wall of storage shell 54 is provided with sliding groove 55 for sliding push block 57, the inner wall of sliding groove 55 is slidably connected with push block 57, the inclined lower surface of push block 57 is slid with sliding groove 55, the outer wall of storage shell 54 is slidably connected with sliding ring 51 for pushing push block 57 reset, sliding ring 51 is elastically connected with excavation cutter 1 by spring 53, spring 53 provides elastic force for the reset of arc plate 31, the outer wall of storage shell 54 is slidably connected with connecting shell 2 for installing other components, the top of push block 57 is provided with grouting assembly 3 for soil grouting and is provided with multiple groups, and grouting assembly 3 includes arc plate 31 for pushing extruded soil body, and arc plate 31 is fixedly connected on the upper surface of push block 57, and arc plate 31 is controlled by push block 57, and the inner wall of arc plate 31 is provided with grouting hole 32 for soil grouting.

[0035] Refer to Figure 2 、 Figure 3 The rear surface of sliding ring 51 is provided with recess 52 for limiting push block 57, the front surface of connecting shell 2 is provided with fixed groove 56 for limiting push block 57, one end of spring 53 is fixedly connected on the front surface of sliding ring 51, the other end of spring 53 is fixedly connected on the rear surface of excavation cutter 1, and spring 53 pushes sliding ring 51 by the support of excavation cutter 1, the lower surface of push block 57 is provided with inclined surface, so that push block 57 can move upward when sliding, push block 57 is inserted in the inner wall of recess 52, and sliding ring 51 limits push block 57 through recess 52, push block 57 is inserted in the inner wall of fixed groove 56, and connecting shell 2 limits push block 57 through fixed groove 56.

[0036] Refer to Figure 1 、 Figure 3 、 Figure 4, The grouting assembly 3 further comprises a connecting ring 34 for connecting the arc-shaped plate 31, the connecting ring 34 is slidingly connected to the outer wall of the connecting shell 2, the outer wall of the connecting ring 34 is fixedly connected with a connecting block 35, the connecting block 35 is used for feeding the grouting hole 32, the upper surface of the arc-shaped plate 31 is provided with a protrusion 33, the protrusion 33 is an extension of the arc-shaped plate 31, and the grouting hole 32 and the connecting block 35 can be ensured to be connected, the arc-shaped plate 31 is arranged in an array around the center line of the connecting shell 2 as a rotation axis, so that the arc-shaped plate 31 can be uniformly extruded in all directions, the outer wall of the excavating tool 1 is slidingly connected with an extrusion ring 4, the inner wall of the extrusion ring 4 is provided with an arc-shaped surface, and when the device is pushed, the soil is pushed to the excavating tool 1, the arc-shaped plate 31 and the protrusion 33 are slidingly connected to the front surface of the connecting block 35, so that the connecting block 35 can feed the grouting hole 32 in the arc-shaped plate 31 when the arc-shaped plate 31 slides.

[0037] Working principle: in use, the workers install the device on the horizontal directional drilling machine, and the excavating tool 1 is used to crush and convey the soil by pushing the connecting shell 2, during the excavation process, the connecting ring 34 of the grouting assembly 3 is connected to the grouting pump, the slurry is conveyed into the arc-shaped plate 31, and then the slurry is injected into the soil through the grouting hole 32, so that the soil is reinforced and the contact surface between the device and the soil is lubricated, the excavation effect is improved, when the connecting shell 2 is pushed by the horizontal directional drilling machine, the front-end excavating tool 1 crushes and conveys the front-end soil, in this process, the connecting shell 2 pushes the pushing block 57 when advancing, the pushing block 57 slides forward in the sliding groove 55, the inclined surface at the bottom of the pushing block 57 lifts the pushing block 57 and the arc-shaped block 31, the soil around the device is compacted and reinforced, the mixing effect of the soil and the slurry is improved, and the reinforced soil can reduce the hidden danger of soil collapse and increase the stability of pipeline installation.

Claims

1. A micro-disturbance excavation device for municipal power pipelines, comprising an excavation tool (1), characterized in that: The rear surface of the excavating tool (1) is provided with an expansion assembly (5); The expansion assembly (5) comprises a storage shell (54) fixedly connected to the rear surface of the excavating tool (1), and a sliding groove (55) is formed in the outer wall of the storage shell (54), and a push block (57) is slidably connected to the inner wall of the sliding groove (55); The outer wall of the storage shell (54) is slidably connected with a sliding ring (51), the sliding ring (51) is elastically connected to the excavating tool (1) through a spring (53), and the outer wall of the storage shell (54) is slidably connected with a connecting shell (2); The top of the push block (57) is provided with a plurality of groups of grouting assemblies (3), and the grouting assembly (3) comprises an arc-shaped plate (31) fixedly connected to the upper surface of the push block (57), and a grouting hole (32) is formed in the inner wall of the arc-shaped plate (31).

2. A device for minimally-disturbing excavation of a municipal power conduit according to claim 1, wherein: The grouting assembly (3) further comprises a connecting ring (34) slidably connected to the outer wall of the connecting shell (2), and a connecting block (35) is fixedly connected to the outer wall of the connecting ring (34).

3. A device for minimally-disturbing excavation of a municipal power conduit as defined in claim 1, wherein: The rear surface of the sliding ring (51) is provided with a groove (52), and the front surface of the connecting shell (2) is provided with a fixed groove (56).

4. A device for minimally-disturbing excavation of a municipal power conduit as defined in claim 1, wherein: One end of the spring (53) is fixedly connected to the front surface of the sliding ring (51), and the other end of the spring (53) is fixedly connected to the rear surface of the excavating tool (1).

5. A device for minimally-disturbing excavation of a municipal power conduit as defined in claim 1, wherein: The lower surface of the push block (57) is provided with an inclined surface, the push block (57) is inserted into the inner wall of the groove (52), and the push block (57) is inserted into the inner wall of the fixed groove (56).

6. A device for minimally-disturbing excavation of a municipal power conduit as defined in claim 1, wherein: The shape of the arc-shaped plate (31) is arc-shaped, and the arc-shaped plate (31) is rotationally arranged with the center line of the connecting shell (2) as the rotation axis.

7. A device for minimally-disturbing excavation of a municipal power conduit as defined in claim 1, wherein: The outer wall of the excavating tool (1) is slidably connected with an extrusion ring (4), and the inner wall of the extrusion ring (4) is provided with an arc surface.

8. A device for minimally-disturbing excavation of a municipal power conduit as defined in claim 1, wherein: The arc-shaped plate (31) and the protrusion (33) are both slidably connected to the front surface of the connecting block (35).

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