Sand layer jacking pipe for road construction

Abstract

The utility model discloses a sand layer jacking pipe for road construction, and belongs to the technical field of pipe jacking equipment for road construction. Comprising a pipe jacking device body, the pipe jacking device body comprises a pipe jacking barrel, a soil breaking sharp knife is connected to the middle of the front end of the pipe jacking barrel through a driving part, a propelling assembly is clamped to the rear end of the pipe jacking barrel in a butt joint mode, and the propelling assembly comprises a butt joint cover, a mounting tail plate and a hydraulic jack; the butt joint assembly comprises a sliding groove, the butt joint assembly is arranged in the butt joint cover, the positioning block, the positioning groove and the butt joint assembly are arranged, the positioning groove is aligned with the positioning block for positioning and clamping, accurate butt joint is facilitated, a double-shaft motor is started to drive a lead screw to rotate, and the butt joint assembly is arranged in the butt joint cover. The movable sliding blocks move horizontally under the assistance of the sliding grooves, the two movable sliding blocks move away from each other relatively, the embedded rods are clamped into the limiting grooves, the pipe jacking barrel is grasped and fixed from the inner side of the device, and the situation that existing threaded connection slips is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of pipe jacking equipment for road construction, and more specifically, to a sand layer pipe jacking for road construction. Background Art

[0002] Municipal roads need to consider the layout of urban pipelines (sewage pipes, electric wire and cable pipes, water supply pipes, etc.), urban green belts, bicycle lanes, etc. Sand layer pipe jacking is a special pipeline laying technology, which is mainly applied to loose and unstable geological conditions such as sandy soil layers for the method of trenchless pipeline laying. This technology sets up a working pit on the ground, uses the jacking force generated by the jacking equipment to overcome the frictional force between the pipeline and the surrounding soil, jacks the pipeline into the soil according to the designed slope, and transports the soil away at the same time.

[0003] In the related art, in order to solve problems such as low construction efficiency and difficult construction quality assurance, the patent with the publication number CN221591947U in the prior art provides a sand layer pipe jacking for municipal road construction, which relates to the technical field of municipal engineering construction, including a pipe jacking main body. A pipe jacking cutter head is clamped on the inner wall of the pipe jacking main body. An installation seat is fixedly connected to the front surface of the pipe jacking cutter head. A first blade is fixedly connected to the front surface of the installation seat. Four second blades are fixedly connected to the front surface of the pipe jacking cutter head. An installation plate is fixedly connected to the inner wall of the pipe jacking main body. Two water injection pumps are fixedly connected to the back surface of the installation plate.

[0004] Although the above prior art solution ensures the uniform dispersion of soil particles in water through the setting of the stirring paddle, maintains the fluidity of the slurry, and avoids the blockage effect, however, the existing sand layer pipe jacking device uses threads for mechanical connection, has a large friction during sand layer propulsion, is prone to directional deflection and loosening, and has poor stability. In addition, the pipe jacking equipment is heavy, and a crane equipment is required for laying, lacking lifting ring parts.

[0005] In view of this, we propose a sand layer pipe jacking for road construction. Content of the Utility Model

[0006] 1. Technical Problems to be Solved

[0007] The purpose of the present application is to provide a sand layer pipe jacking for road construction, which solves the technical problems that the existing sand layer pipe jacking device uses threads for mechanical connection, has a large friction during sand layer propulsion, is prone to directional deflection and loosening, has poor stability, and in addition, the pipe jacking equipment is heavy, requires a crane equipment for laying, and lacks lifting ring parts, and realizes the technical effects of being convenient for lifting and having stable mechanical connection.

[0008] 2. Technical Solutions

[0009] The present application provides a sand layer jacking pipe for road construction, including a jacking pipe device body, the jacking pipe device body includes a jacking pipe cylinder, the middle part of the front end of the jacking pipe cylinder is connected with a ground-breaking knife through a driving part, and the rear end of the jacking pipe cylinder is docked and engaged with a propulsion assembly, and the propulsion assembly includes a docking cover, a mounting tail plate and a hydraulic jack; a docking assembly, the docking assembly includes a sliding groove, the docking assembly is arranged inside the docking cover, the sliding groove is opened inside the docking cover, and a moving slider is symmetrically slidably arranged inside the sliding groove, a double-axis motor is fixedly arranged at the center of the docking cover, and the output ends on both sides of the double-axis motor are respectively connected with screws, the screws pass through the interior of the moving slider and are connected to the side wall of the docking cover, an embedding rod is arranged on one side of the moving slider, and limiting grooves are symmetrically opened inside the jacking pipe cylinder, and the embedding rod is matched and snapped into the interior of the limiting groove.

[0010] Preferably, hydraulic jacks are provided at four ends of one side of the mounting tail plate, and one side of the four hydraulic jacks is connected to one side of the docking cover.

[0011] Preferably, a lifting assembly is symmetrically arranged at the top end of the jacking tube body, and the lifting assembly comprises a fixed ring block, and a lifting ring is rotatably arranged inside the fixed ring block.

[0012] Preferably, a receiving groove is provided at the top end of the jacking tube body, the fixing ring block is arranged inside the receiving groove, and the lifting ring can be rotatably received inside the receiving groove.

[0013] Preferably, the jacking tube body is connected to a cone wheel distributed in an array through an internal rotating portion, and the surface of the cone wheel is distributed with cone spikes.

[0014] Preferably, the four ends of the earth-breaking knife on one side of the jacking tube body are provided with pressure relief overflow ports which are equidistantly distributed.

[0015] Preferably, a positioning block is symmetrically provided on one side of the top pipe body, and a positioning groove is symmetrically provided on one side of the docking cover.

[0016] Beneficial Effects

[0017] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0018] (1) The present application is provided with a positioning block, a positioning groove and a docking assembly, and the positioning groove is aligned with the positioning block for positioning and engagement, so as to facilitate accurate docking. The dual-axis motor is started to drive the lead screw to rotate, so that the movable slider moves horizontally with the assistance of the sliding groove. The two movable sliders move away from each other, and the embedded rod is inserted into the inside of the limit groove, so that the top pipe cylinder is grasped and fixed from the inside of the device, thereby avoiding the existing threaded connection slippage.

[0019] (2) In this application, a lifting component is provided. The lifting ring is erected and connected to the hook of the crane, facilitating the lifting and transportation of the whole. The storage groove stores the lifting ring and the fixed ring block, preventing them from protruding during propulsion and causing damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the first three-dimensional structural schematic diagram of the present utility model;

[0021] Figure 2 is the second three-dimensional structural schematic diagram of the present utility model;

[0022] Figure 3 is the three-dimensional structural schematic diagram of the docking component of the present utility model;

[0023] Figure 4 is of the present utility model Figure 1 partial enlarged structural schematic diagram of part A in;

[0024] Explanation of the reference numerals in the figure: 100, main body of the pipe jacking device; 111, pipe jacking cylinder; 112, decompression overflow port; 113, earth-breaking sharp knife; 114, soil cone wheel; 115, limiting groove; 116, storage groove; 117, fixed ring block; 118, lifting ring; 119, positioning block; 120, propulsion component; 121, installation tail plate; 122, docking cover; 123, hydraulic jack; 124, positioning groove; 200, docking component; 210, lead screw; 211, double-shaft motor; 212, embedding rod; 213, moving slider; 214, sliding groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following further elaborates on this application with reference to the drawings in the specification.

[0026] Embodiment 1

[0027] Please refer to Figures 1-4The utility model provides an embodiment: a sand layer jacking pipe for road construction, including a jacking device body 100, the jacking device body 100 includes a jacking pipe cylinder 111, the middle part of the front end of the jacking pipe cylinder 111 is connected with a ground breaking knife 113 through a driving part, and the rear end of the jacking pipe cylinder 111 is connected with a propulsion assembly 120, and the propulsion assembly 120 includes a docking cover 122, a mounting tail plate 121 and a hydraulic jack 123; a docking assembly 200, the docking assembly 200 includes a sliding groove 214, the docking assembly 200 is arranged inside the docking cover 122, the sliding groove 214 is opened inside the docking cover 122, and the inner part of the sliding groove 214 A moving slider 213 is symmetrically slidably arranged on the top of the butt joint cover 122, an embedded rod 212 is arranged on one side of the moving slider 213, a dual-axis motor 211 is fixedly arranged at the center of the butt joint cover 122, and the output ends on both sides of the dual-axis motor 211 are respectively connected with lead screws 210, and the lead screws 210 penetrate the interior of the moving slider 213 and are connected to the side wall of the butt joint cover 122, and a limiting groove 115 is symmetrically arranged inside the top tube cylinder 111, and the embedded rod 212 is matched to fit into the inside of the limiting groove 115, and a positioning member is arranged inside the butt joint cover 122, and a positioning block 119 is symmetrically arranged on one side of the top tube cylinder 111, and a positioning groove 124 is symmetrically arranged on one side of the butt joint cover 122, (reference Figure 3 ) First, align the docking cover 122 with the rear end of the top tube cylinder 111, align the positioning groove 124 with the positioning block 119 for positioning and engagement, start the dual-axis motor 211 to drive the lead screw 210 to rotate, so that the movable slider 213 moves horizontally with the assistance of the sliding groove 214, and the two movable sliders 213 move away from each other, and the embedded rod 212 is inserted into the inside of the limit groove 115, and the top tube cylinder 111 is grasped and fixed from the inside of the device to avoid the existing threaded connection slippage.

[0028] Furthermore, hydraulic jacks 123 are provided at four ends of one side of the mounting tail plate 121, and one side of the four hydraulic jacks 123 is connected to one side of the docking cover 122. (Refer to Figure 1 ) The hydraulic jack 123 pushes the jacking tube body 111 forward to punch holes for laying municipal road pipelines.

[0029] Further, a lifting assembly is symmetrically arranged at the top of the jacking tube body 111, and the lifting assembly includes a fixed ring block 117, and a lifting ring 118 is rotatably arranged inside the fixed ring block 117. A receiving groove 116 is opened at the top of the jacking tube body 111, and the fixed ring block 117 is arranged inside the receiving groove 116. The lifting ring 118 can be rotatably received inside the receiving groove 116. The lifting ring 118 is erected and connected to the hook of the crane (refer to Figure 4 ) It is convenient to lift and transport the entire jacking device body 100, and the storage groove 116 stores the lifting ring 118 and the fixing ring block 117 to prevent them from protruding and being damaged during advancement.

[0030] Further, the pipe jacking cylinder body 111 is connected with a conical earth wheel 114 distributed in an array through an internal rotating part. The surface of the conical earth wheel 114 is distributed with conical thorns. At the four ends of the earth-breaking sharp knife 113 on one side of the pipe jacking cylinder body 111, pressure-reducing overflow ports 112 are arranged at equal intervals (refer to Figure 1 ). The pressure-reducing overflow ports 112 can disperse the soil pressure, and the soil is squeezed into and discharged from the pressure-reducing overflow ports 112. The cooperation of the earth-breaking sharp knife 113 and the conical earth wheel 114 can quickly break up the soil.

[0031] In summary, when the sand layer pipe jacking for road construction disclosed in the embodiment of the present application is in use, first, the docking cover 122 is aligned with the tail of the pipe jacking cylinder body 111, and the positioning groove 124 is aligned with the positioning block 119 for positioning and clamping. The double-shaft motor 211 is started to drive the lead screw 210 to rotate, so that the moving slider 213 moves horizontally with the assistance of the sliding groove 214. The two moving sliders 213 move relatively, and the embedding rod 212 is clamped into the limiting groove 115 to tightly fix from the inside of the pipe jacking cylinder body 111. The lifting ring 118 is erected and connected with the hoisting hook of the hoisting machine, which is convenient for lifting and transporting the entire pipe jacking device body 100. The storage groove 116 stores the lifting ring 118 and the fixing ring block 117 to prevent them from protruding and being damaged during propulsion.

[0032] All the standard parts used in the present utility model can be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0033] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A sand layer pipe jacking for road construction, characterized in that: Include A pipe jacking device body (100), the pipe jacking device body (100) comprising a pipe jacking cylinder (111), the front end middle portion of the pipe jacking cylinder (111) being connected to a ground-breaking knife (113) via a driving portion, the rear end of the pipe jacking cylinder (111) being butt-jointed with a propulsion assembly (120), the propulsion assembly (120) comprising a butt joint cover (122), a mounting tail plate (121) and a hydraulic jack (123); A docking assembly (200), the docking assembly (200) comprising a sliding groove (214), the docking assembly (200) being arranged inside a docking cover (122), the sliding groove (214) being opened inside the docking cover (122), a movable slider (213) being symmetrically slidably arranged inside the sliding groove (214), a dual-axis motor (211) being fixedly arranged at the center of the docking cover (122), both sides of the output ends of the dual-axis motor (211) being respectively connected with lead screws (210), the lead screws (210) passing through the interior of the movable slider (213) and being connected to the side wall of the docking cover (122), an embedded rod (212) being arranged on one side of the movable slider (213), a limiting groove (115) being symmetrically opened inside the top tube cylinder (111), the embedded rod (212) being fitted into the interior of the limiting groove (115).

2. A sand layer pipe jacking for road construction according to claim 1, characterized in that: Hydraulic jacks (123) are arranged at four ends of one side of the mounting tail plate (121), and one side of the four hydraulic jacks (123) is connected to one side of the docking cover (122).

3. The sand layer pipe jacking for road construction according to claim 1, characterized in that: A lifting assembly is symmetrically arranged at the top end of the jacking tube body (111), and the lifting assembly comprises a fixed ring block (117), and a lifting ring (118) is rotatably arranged inside the fixed ring block (117).

4. The sand layer pipe jacking for road construction according to claim 3, characterized in that: A receiving groove (116) is provided at the top end of the jacking tube body (111), the fixing ring block (117) is arranged inside the receiving groove (116), and the lifting ring (118) can be rotatably received inside the receiving groove (116).

5. A sand layer pipe jacking for road construction according to claim 1, characterized in that: The jacking tube body (111) is connected to an array-distributed conical soil wheel (114) via an internal rotating portion, and the surface of the conical soil wheel (114) is distributed with conical thorns.

6. A sand layer pipe jacking for road construction according to claim 1, characterized in that: The four ends of the earth-breaking knife (113) on one side of the jacking tube body (111) are provided with pressure relief overflow ports (112) which are distributed at equal intervals.

7. A sand layer pipe jacking for road construction according to claim 1, characterized in that: A positioning block (119) is symmetrically provided on one side of the top tube body (111), and a positioning groove (124) is symmetrically provided on one side of the docking cover (122).

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