Pipe jacking construction device for sewage pipe network

Abstract

The utility model relates to the technical field of pipe jacking construction, in particular to a sewage pipe network pipe jacking construction device which comprises a pipe jacking machine shell and an auxiliary assembly, a soil cutting cutterhead is arranged at the front end of the pipe jacking machine shell, a supporting plate is arranged in the pipe jacking machine shell, a motor is arranged on the supporting plate, the motor is connected with the soil cutting cutterhead through a rotating shaft, and a mounting plate is arranged on the rotating shaft. A stirring rod is arranged between the mounting plates, and scraping plates are further arranged on the mounting plates; the supporting plate is provided with a water injection port and a slurry outlet, the water injection port is provided with a blocking net, the auxiliary assembly comprises a sliding block and a beating block, one side of the water injection port is provided with a sliding groove, the sliding block is fixedly and slidably connected with the sliding groove through a spring, and the beating block is arranged on the sliding block through a connecting rod; the scraping plate rotates along with the mounting plate to scrape mud attached to the blocking net when passing through the blocking net; and meanwhile, under the cooperation of a scraping plate and a sliding block, a striking block strikes the blocking net to enable the blocking net to vibrate, mud attached to the blocking net is shaken off, blocking of the blocking net is further prevented, and the efficiency of pipe jacking construction is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe jacking construction technology field, concretely relates to a sewage pipe network pipe jacking construction device. BACKGROUND

[0002] A kind of underground engineering construction method when pipe jacking construction, it is mainly used for crossing city road, railway, river and other obstacles, and the laying of pipeline, tunnel and other facilities;The method is by pre-setting working well on ground, using pipe jacking machine to top into underground from well with pipeline or tunnel, avoid the damage to ground environment.Pipe jacking construction is applicable to soft soil, clay and other soil layers, with the advantages of faster construction speed, small disturbance, small land occupation etc.

[0003] In prior art, such as the China patent with the announcement number CN213598701U and the name of a kind of township sewage treatment sewage pipe network pipe jacking construction, the technical scheme is recorded that the device is hoisted into pipe jacking well with pipe through hoisting rope and lifting hook, after pipe is aligned with installation opening through elevator, pipe jacking construction is carried out through shield machine;Now commonly used pipe jacking construction method is slurry balance method, water is injected into pipe jacking machine during construction, and the soil excavated by water and cutting tool disc is mixed and stirred to form slurry to generate certain pressure on front main body, to realize the pressure balance between ground and underground, ensure soil stability, prevent collapse, reduce friction, improve construction efficiency;Water injection port is usually provided with screen to avoid soil into water injection port, screen may be blocked after long time use, affect water injection efficiency, and then reduce the efficiency of pipe jacking construction. UTILITY MODEL CONTENT

[0004] The utility model provides a sewage pipe network pipe jacking construction device to solve the above problems.

[0005] The utility model discloses a sewage pipe network pipe jacking construction device, including the pipe jacking machine casing, stirring mechanism, water injection mechanism and slurry outlet mechanism, the pipe jacking machine casing front end rotatory installation has the soil cutter head, the pipe jacking machine casing is fixedly installed with the support plate in the middle, and the soil cutter head and the support plate enclose the stirring chamber in the pipe jacking machine casing, the support plate rear end is fixedly installed with the drive motor, is equipped with the rotating shaft in the stirring chamber, and the rotating shaft one end is fixedly connected with the soil cutter head, and the other end and drive motor output shaft fixed connection, the stirring mechanism is established in the stirring chamber, and the stirring mechanism is used for stirring slurry, and the water injection mechanism includes the water injection port, the water pipe and the auxiliary assembly, and the water injection port is set up on the support plate, and the water pipe is fixedly installed in the support plate rear end, and the water pipe is communicated with the stirring chamber through the water injection port, the water injection port front end is fixedly installed with the fender, the auxiliary assembly is established in the water injection port, and the auxiliary assembly is used for preventing the fender block, and the slurry outlet mechanism is established on the support plate, and the slurry outlet mechanism is used for discharging the slurry in the stirring chamber, and the drive motor is driven the soil cutter head rotation cutting mud by the rotating shaft, and the soil cutting under enters the stirring chamber, and the water pipe is connected with the external water pump, and the water is injected into the stirring chamber through the water injection port, and the stirring mechanism mixes into slurry with the water and the soil stirring, and the excess slurry is discharged through the slurry outlet mechanism.

[0006] Further, the stirring mechanism includes a plurality of stirring groups, and the plurality of stirring groups are evenly arranged along the rotating shaft in a circumferential direction.

[0007] Further, a scraper is fixedly installed at a rear end of the mounting plate close to the support plate, the scraper abuts against the support plate, and the scraper is elastic.

[0008] Further, the auxiliary assembly includes a sliding block and a hitting block, a sliding groove is formed in a side wall of the water injection port, the sliding block is slidingly installed in the sliding groove, a spring is arranged at a rear end of the sliding block, a front end of the spring is fixedly connected with the sliding block, a rear end of the spring is fixedly connected with the sliding groove, and a front end of the sliding block is wedge-shaped.

[0009] Further, the slurry outlet mechanism comprises a slurry outlet and a slurry conveying pipe, the slurry outlet is arranged on the support plate, the slurry conveying pipe is fixedly arranged at the rear end of the support plate, and the slurry conveying pipe is communicated with the stirring cavity through the slurry outlet; the cross section of the slurry outlet is in the shape of a trapezoid; the slurry conveying pipe is connected with an external slurry pump, and the slurry pump is used to pump out the excess slurry in the stirring cavity through the slurry outlet.

[0010] Beneficial effects are that the scraper is arranged on the mounting plate, and the scraper scrapes off the mud attached to the screen when the mounting plate rotates and passes through the screen; when the scraper rotates and contacts the wedge-shaped inclined surface at the front end of the sliding block, the sliding block is extruded into the sliding groove and the spring is compressed; after the scraper rotates past the sliding block, the sliding block drives the knocking block to make the hemispherical front end of the knocking block knock the screen, so that the mud attached to the screen is shaken off, the screen is prevented from being blocked, and the efficiency of pipe jacking construction is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0012] Figure 1 It is a structural schematic view of an embodiment of the sewage pipe network pipe jacking construction device of the present application.

[0013] Figure 2 It is a sectional view of the embodiment of the present application.

[0014] Figure 3 It is Figure 2 It is an enlarged view of position A in the middle.

[0015] Figure 4 It is a structural schematic view of the support plate of the embodiment of the present application.

[0016] Figure 5 It is Figure 4 It is an enlarged view of position B in the middle.

[0017] In the figure: 100, pipe jacking machine shell; 110, earth cutting cutter; 120, support plate; 130, rotating shaft; 140, driving motor; 150, mounting plate; 160, stirring rod; 200, water injection port; 201, screen; 210, water conveying pipe; 220, sliding groove; 230, sliding block; 231, spring; 240, knocking block; 241, connecting rod; 250, scraper; 300, slurry outlet; 310, slurry conveying pipe. DETAILED DESCRIPTION

[0018] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0019] An embodiment of the utility model discloses a sewage pipe network pipe jacking construction device, as shown in the figure: Figures 1 to 5 A sewage pipe network pipe jacking construction device, including top pipe machine shell 100, stirring mechanism, water injection mechanism and slurry outlet mechanism;The front end of top pipe machine shell 100 is rotatably installed with soil cutting cutter head 110, and the middle of top pipe machine shell 100 is fixedly installed with support plate 120, and soil cutting cutter head 110 and support plate 120 enclose stirring cavity in top pipe machine shell 100;The rear end of support plate 120 is fixedly installed with driving motor 140, and rotating shaft 130 is arranged in stirring cavity, one end of rotating shaft 130 is fixedly connected with soil cutting cutter head 110, and the other end is fixedly connected with the output shaft of driving motor 140;The stirring mechanism is arranged in the stirring cavity, and the stirring mechanism is used for stirring slurry;The water injection mechanism includes water injection port 200, water delivery pipe 210 and auxiliary assembly, the water injection port 200 is opened on the support plate 120, the water delivery pipe 210 is fixedly installed at the rear end of the support plate 120, and the water delivery pipe 210 is communicated with the stirring cavity through the water injection port 200;The front end of water injection port 200 is fixedly installed with screen 201;The auxiliary assembly is arranged in the water injection port 200, and the auxiliary assembly is used for preventing screen 201 from being blocked;The slurry outlet mechanism is arranged on the support plate 120, and the slurry outlet mechanism is used for discharging excess slurry in the stirring cavity;As shown in the figure, Figure 1 A plurality of cutting tool bits are fixedly installed on soil cutting cutter head 110, and grooves are formed on both sides of the plurality of cutting tool bits, the stirring cavity is communicated with the outside through the grooves, and the soil cut by soil cutting cutter head 110 is conveniently made to enter the stirring cavity through the grooves;Driving motor 140 drives soil cutting cutter head 110 to rotate and cut soil through rotating shaft 130, the cut soil enters the stirring cavity, water delivery pipe 210 is connected with an external water pump, water is injected into the stirring cavity through water injection port 200, and the stirring mechanism stirs water and soil into slurry;Excess slurry is discharged through the slurry outlet mechanism.

[0020] The stirring mechanism comprises a plurality of stirring groups which are evenly arranged circumferentially along the rotating shaft 130; each stirring group comprises two mounting plates 150 and a plurality of stirring rods 160, the mounting plates 150 are fixedly installed on the rotating shaft 130, the plurality of stirring rods 160 are evenly arranged between the two mounting plates 150, and the stirring rods 160 are fixedly connected with the mounting plates 150; the rotating shaft 130 drives the stirring rods 160 to stir the water and the soil in the stirring cavity, and the water and the soil are mixed into the slurry.

[0021] The mounting plate 150 is fixedly installed with a scraper 250 at the rear end close to the support plate 120, the scraper 250 is in abutment with the support plate 120, and the scraper 250 is elastic; the scraper 250 rotates with the mounting plate 150 and scrapes off the slurry attached to the screen 201 when passing through the screen 201.

[0022] The auxiliary assembly comprises a sliding block 230 and a hitting block 240, the sliding groove 220 is formed in the sidewall of the water inlet 200, the sliding block 230 is slidingly installed in the sliding groove 220, the sliding block 230 is provided with a spring 231 at the rear end, the spring 231 is fixedly connected with the sliding block 230 at the front end, the spring 231 is fixedly connected with the sliding groove 220 at the rear end, and the front end of the sliding block 230 is wedge-shaped; the hitting block 240 is arranged in the water inlet 200 and is fixedly connected with the sliding block 230 through a connecting rod 241, and the front end of the hitting block 240 is semispherical; when the scraper 250 contacts the wedge-shaped inclined surface of the front end of the sliding block 230, the sliding block 230 is extruded into the sliding groove 220, the sliding block 230 extrudes the spring 231 and drives the hitting block 240 to move backward; after the scraper 250 rotates past the sliding block 230, the sliding block 230 is reset under the action of the spring 231, the sliding block 230 drives the hitting block 240 to move forward, and the semispherical front end of the hitting block 240 hits the screen 201 to shake off the slurry attached to the screen 201.

[0023] The slurry outlet mechanism comprises a slurry outlet 300 and a slurry conveying pipe 310, the slurry outlet 300 is formed in the support plate 120, the slurry conveying pipe 310 is fixedly installed at the rear end of the support plate 120, and the slurry conveying pipe 310 is communicated with the stirring cavity through the slurry outlet 300; the cross section of the slurry outlet 300 is trapezoidal; the slurry conveying pipe 310 is connected with an external slurry pumping pump, and the excess slurry in the stirring cavity is pumped out through the slurry outlet 300.

[0024] In combination with the above embodiment, the use principle and working process of the utility model are as follows: Figure 1As shown, the plurality of cutting tool bits are fixedly installed on the soil cutting disc 110, and the soil cutting disc 110 is provided with notches on both sides of the plurality of cutting tool bits, so that the soil cut by the soil cutting disc 110 can enter the mixing chamber through the notches; the driving motor 140 drives the soil cutting disc 110 to rotate and cut the soil, and the cut soil enters the mixing chamber; the water pipe 210 is connected with an external water pump, and water is injected into the mixing chamber through the water injection port 200; the rotating shaft 130 drives the stirring rod 160 to stir the water and the soil in the mixing chamber, so that the water and the soil are mixed into slurry; the scraper 250 rotates with the mounting plate 150, and the slurry attached to the screen 201 is scraped off when the scraper 250 passes through the screen 201; when the scraper 250 contacts the wedge-shaped slope at the front end of the sliding block 230 during rotation, the sliding block 230 is extruded into the sliding groove 220, and the sliding block 230 extrudes the spring 231 and drives the knocking block 240 to move backward; the sliding block 230 is reset under the action of the spring 231 after the scraper 250 rotates the sliding block 230, and the sliding block 230 drives the knocking block 240 to move forward, so that the hemispherical front end of the knocking block 240 knocks the screen 201 and shakes off the slurry attached to the screen 201; the slurry pipe 310 is connected with an external slurry pump, and the excess slurry in the mixing chamber is pumped out through the slurry outlet 300.

[0025] The above merely describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sewage pipe network jacking construction device, characterized by: It comprises a pipe jacking machine housing (100), a stirring mechanism, a water injection mechanism and a slurry discharge mechanism; A soil-cutting disc (110) is rotatably mounted on the front end of the pipe jacking machine housing (100), a support plate (120) is fixedly mounted in the pipe jacking machine housing (100), and the soil-cutting disc (110) and the support plate (120) enclose a stirring chamber in the pipe jacking machine housing (100); a driving motor (140) is fixedly mounted on the rear end of the support plate (120), a rotating shaft (130) is provided in the stirring chamber, one end of the rotating shaft (130) is fixedly connected to the soil-cutting disc (110), and the other end is fixedly connected to the output shaft of the driving motor (140); The stirring mechanism is arranged in the stirring chamber, and the stirring mechanism is used to stir the mud; The water injection mechanism comprises a water injection port (200), a water delivery pipe (210), and an auxiliary component. The water injection port (200) is provided on the support plate (120), the water delivery pipe (210) is fixedly mounted at the rear end of the support plate (120), and the water delivery pipe (210) is connected to the stirring chamber through the water injection port (200); a retaining net (201) is fixedly mounted at the front end of the water injection port (200); The auxiliary component is arranged in the water injection port (200), and is used to prevent the retaining net (201) from being blocked; The slurry discharge mechanism is provided on the support plate (120), and is used to discharge excess slurry in the stirring chamber.

2. A sewage pipe network jacking construction device according to claim 1, characterized in that: The stirring mechanism comprises a plurality of stirring groups, which are evenly arranged along the circumference of the rotating shaft (130); the stirring group comprises two mounting plates (150) and a plurality of stirring rods (160), the mounting plates (150) being fixedly mounted on the rotating shaft (130), the plurality of stirring rods (160) being evenly arranged between the two mounting plates (150), and the stirring rods (160) and the mounting plates (150) being fixedly connected.

3. A sewage pipe network jacking construction device according to claim 2, characterized in that: A scraper (250) is fixedly mounted on the rear end of the mounting plate (150) close to the support plate (120), the scraper (250) abuts against the support plate (120), and the scraper (250) is elastic.

4. A sewage pipe network jacking construction device according to claim 3, characterized in that: The auxiliary component comprises a sliding block (230) and a striking block (240); a sliding groove (220) is provided on a side wall of the water injection port (200); the sliding block (230) is slidably mounted in the sliding groove (220); a spring (231) is provided at the rear end of the sliding block (230); the front end of the spring (231) is fixedly connected to the sliding block (230); the rear end of the spring (231) is fixedly connected to the sliding groove (220); the front end of the sliding block (230) is wedge-shaped; the striking block (240) is provided in the water injection port (200); the striking block (240) is fixedly connected to the sliding block (230) via a connecting rod (241); the front end of the striking block (240) is hemispherical.

5. A sewage pipe network jacking construction device according to claim 4, characterized in that: The slurry discharge mechanism comprises a slurry discharge port (300) and a slurry delivery pipe (310), wherein the slurry discharge port (300) is provided on the support plate (120), and the slurry delivery pipe (310) is fixedly mounted on the rear end of the support plate (120), and the slurry delivery pipe (310) is communicated with the stirring chamber through the slurry discharge port (300).

6. A sewage pipe network jacking construction device according to claim 5, characterized in that: The cross-sectional shape of the pulp outlet (300) is trapezoidal.

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