CN110726004A

CN110726004A - Machine head for slurry balance push bench

Info

Publication number: CN110726004A
Application number: CN201911026909.3A
Authority: CN
Inventors: 王海国
Original assignee: Changxing Guochen Engineering Machinery Technology Co Ltd
Current assignee: Zhejiang Guochen mechanical equipment Technology Co.,Ltd.
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-01-24
Anticipated expiration: 2039-10-26
Also published as: CN110726004B

Abstract

The invention discloses a machine head for a muddy water balance push bench, which relates to the field of muddy water balance push bench equipment and aims at solving the problems of complex equipment and inconvenient use caused by the large scale of the existing muddy water balance push bench, the invention provides a scheme which comprises a ballast tank and disks symmetrically arranged on the left side and the right side, wherein a connecting rod is fixedly connected between the disks on the left side and the right side, a hydraulic rod is arranged on the right side of the ballast tank, the disks are fixedly connected on the right side of the hydraulic rod, a supporting rod is fixedly connected on the right side surface of the disk on the right side, a pulley is fixedly connected at the lower end of the supporting rod, a cavity is arranged at the center of each disk, a slide way is arranged on the inner wall of each side of the cavity, a motor is arranged on the inner wall of one side, far away from each other, of the two cavities, a, the threaded cylinder is sleeved with a screw. The device has the characteristics of small volume, simple structure and convenient operation.

Description

Machine head for slurry balance push bench

Technical Field

The invention relates to the field of muddy water balance push bench equipment, in particular to a machine head for a muddy water balance push bench.

Background

With the acceleration of the urbanization process, the projects of liquid and gaseous medium transmission pipelines for passing through roads, rivers and buildings inside and outside cities are increasing day by day, and the trenchless technology is widely applied. As one of the trenchless technologies, the slurry-water balanced jacking pipe technology has the advantages of wide soil layer adaptation, stable driving surface and small ground settlement, and has strong adaptability in projects of large and medium pipelines crossing roads and rivers and crossing other pipelines (urban water supply and drainage, comprehensive pipelines and the like), so that the technology is widely applied. Comparison [ chinese invention ] cn201910623755.x discloses that before the excavation construction, the operator can load different cutter rows 8 into the casing 1 in advance according to the situation that the soil quality is detected in advance. During construction, rely on central tool bit 3 and tool row 8 to cut the top and advance to soil property, when needing to change tool row 8, operating personnel carries out signal transmission through wireless communication module, after the treater in the casing 1 received the signal, control cylinder 11 and motor 4 start, cylinder 11 contracts, the fixture block 12 that is used for originally locking tool row 8 on the blade disc 2 is whole to be separated, then motor 4 drives gear 5 rotatory, two racks 6 are the relative motion, one of them rack 6 drives original tool row 8 through a connector 7 and moves into in the casing 1, another rack 6 drives through another connector 7 and changes tool row 8 and shift out to blade disc 2 on, start with its cylinder 11 that corresponds simultaneously, cylinder 11 drives four fixture blocks 12 and fixes the tool row 8 after changing, the stability of changing tool row 8 has been guaranteed. However, the existing slurry balance type pipe jacking machine is generally used in the tunneling process of a tunnel at one side, and a cement precast slab and related devices are required to be installed on the rear side through the inner wall in order to prevent collapse, so that the slurry balance pipe jacking machine is used for jacking the precast slab, but the existing jacking machine heads are generally large in size, a plurality of hydraulic rods are used for jacking, and the equipment is complicated and inconvenient to install and operate. Therefore, the machine head for the muddy water balance push bench is provided.

Disclosure of Invention

The machine head for the muddy water balance push bench provided by the invention solves the problems of complex equipment and inconvenient use caused by large-scale existing muddy water balance push benches.

In order to achieve the purpose, the invention adopts the following technical scheme:

a machine head for a muddy water balance push bench comprises a ballast tank and disks symmetrically arranged on the left side and the right side, a connecting rod is fixedly connected between the disks on the left side and the right side, a hydraulic rod is arranged on the right side of the ballast tank, the disks are fixedly connected on the right side of the hydraulic rod, a supporting rod is fixedly connected on the right side of the disk on the right side, pulleys are fixedly connected at the lower ends of the supporting rods, cavities are formed in the centers of the disks, a slide way is formed in the inner wall of each side of each cavity, a motor is arranged on the inner wall of one side, away from the center of each cavity, a first bevel gear is fixedly connected at the output end of each motor, a threaded barrel is movably connected in each slide way, a screw rod is sleeved on the threaded barrel, a plurality of slide ways are formed in the surface of the screw rod, a plurality of limiting blocks are fixedly, one end of the threaded cylinder close to the center of the disc is fixedly connected with a second bevel gear.

Preferably, the first bevel gear is in meshed connection with the second bevel gear, and the second bevel gear is arranged in the cavity.

Preferably, the threaded cylinder is movably connected in the slideway through a bearing, and one end of the threaded cylinder, which is close to the center of the disc, is arranged in the cavity.

Preferably, one end of the screw rod, which is far away from the center of the disc, extends outside the threaded barrel and the slide way.

Preferably, the extension end of the screw rod is fixedly connected with an arc-shaped pressure plate, and the other end of the screw rod is in threaded sleeve connection with the threaded cylinder.

Preferably, the limiting block is connected in the sliding groove in a sliding mode.

Compared with the prior art, the invention has the beneficial effects that:

through the ballast tank, the hydraulic stem, the disc, the cavity, the slide, first conical gear, the screw thread section of thick bamboo, the screw rod, the spout, the stopper, the arc clamp plate, second conical gear, the bracing piece, the pulley, make the device drive first conical gear rotation and then connect through the meshing and make second conical gear rotate through the drive of motor, make the screw thread section of thick bamboo rotate, because the sliding connection of the spout of stopper and screw rod side on the slide, make the upwards movement that will drive the screw rod that its internal thread cup jointed under the rotation of the screw thread section of thick bamboo, and then can push away the arc clamp plate and push away the inner wall of cement prefabricated pipe, it is fixed to have made things convenient for, and bracing piece and the pulley on right side conveniently support and remove, then can push. The device has the characteristics of small volume, simple structure and convenient operation.

Drawings

Fig. 1 is a sectional view showing the structure of a head for a muddy water balance push bench of the present invention.

Fig. 2 is a sectional view of a disc structure of a head for a muddy water balance push bench of the present invention.

Fig. 3 is an enlarged view of a point a in fig. 1.

Reference numbers in the figures: 1 ballast tank, 2 hydraulic stems, 3 discs, 4 cavities, 5 slideways, 6 first bevel gears, 7 threaded cylinders, 8 screw rods, 9 chutes, 10 limiting blocks, 11 arc-shaped pressing plates, 12 second bevel gears, 13 supporting rods and 14 pulleys.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a nose for a muddy water balance push bench comprises a ballast tank 1 and discs 3 symmetrically arranged on the left and right sides, a connecting rod is fixedly connected between the discs 3 on the left and right sides, a hydraulic rod 2 is arranged on the right side of the ballast tank 1, the discs 3 are fixedly connected on the right side of the hydraulic rod 2, a supporting rod 13 is fixedly connected on the right side surface of the disc 3 on the right side, pulleys 14 are fixedly connected at the lower end of the supporting rod 13, a cavity 4 is arranged at the center of each disc 3, a slide way 5 is arranged on the inner wall of each side of the cavity 4, a motor is arranged on the inner wall of one side of each cavity 4 away from each other, a first bevel gear 6 is fixedly connected at the output end of the motor, a threaded cylinder 7 is movably connected in the slide way 5, a screw 8 is sleeved on the threaded cylinder 7, a plurality of sliding grooves 9 are arranged on the, an arc-shaped pressing plate 11 is fixedly connected to one side of the screw 8 far away from the center of the disc 3, and a second bevel gear 12 is fixedly connected to one end of the threaded cylinder 7 near the center of the disc 3.

In the present embodiment, the first bevel gear 6 is engaged with the second bevel gear 12, and the second bevel gear 12 is disposed in the cavity 4.

In this embodiment, the threaded cylinder 7 is movably connected in the slideway 5 through a bearing, and one end of the threaded cylinder 7 close to the center of the disc 3 is arranged in the cavity 4.

In the present embodiment, one end of the screw 8, which is away from the center of the disc 3, extends outside the screw cylinder 8 and the slide 5.

In this embodiment, the extended end of the screw 8 is fixedly connected with an arc-shaped pressing plate 11, and the other end is in threaded sleeve connection with the threaded cylinder 7.

In this embodiment, the stopper 10 is slidably connected in the sliding groove 9.

The working principle is as follows: when using, can start earlier hydraulic stem 2 and promote the inner wall that disc 3 removed the cement prefabricated pipe, then the starter motor, under the drive of motor, first bevel gear 6 rotates, and then drive second bevel gear 12 and rotate, make a screw section of thick bamboo 7 rotate, because the spout 9 that screw rod 8 surface was seted up and slide 5 inner wall fixed connection's stopper 10 sliding connection, make screw rod 8 slide to the one side of keeping away from disc 3 center, promote the inner wall laminating of arc clamp plate 11 and cement prefabricated plate, then the top through hydraulic stem 2 once more can remove, and whole journey has the support of bracing piece 13 and pulley 14 to make things convenient for the slip.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The machine head for the muddy water balance push bench comprises a ballast tank (1) and disks (3) symmetrically arranged on the left side and the right side, wherein a connecting rod is fixedly connected between the disks (3) on the left side and the right side, a hydraulic rod (2) is arranged on the right side of the ballast tank (1), the disks (3) are fixedly connected on the right side of the hydraulic rod (2), a supporting rod (13) is fixedly connected on the right side surface of the disk (3) on the right side, a pulley (14) is fixedly connected at the lower end of the supporting rod (13), the machine head is characterized in that a cavity (4) is formed in the center of each disk (3), a slide way (5) is formed in the inner wall of each side of the cavity (4), motors are arranged on the inner walls of the two cavities (4) far away from each other, the output ends of the motors are fixedly connected with first bevel gears (6), threaded cylinders (7) are, screw rod (8) have been cup jointed to screw thread section of thick bamboo (7), many spout (9) have been seted up on the surface of screw rod (8), the equal a plurality of stopper (10) of fixedly connected with in one side at disc (3) center are kept away from in slide (5), one side fixedly connected with arc clamp plate (11) at disc (3) center are kept away from in screw rod (8), one end fixedly connected with second conical gear (12) at the center that screw thread section of thick bamboo (7) are close to disc (3).

2. The head for a muddy water balance push bench according to claim 1, characterized in that the first bevel gear (6) is in meshed connection with the second bevel gear (12), and the second bevel gear (12) is arranged in the cavity (4).

3. The head for the muddy water balance push bench according to claim 1, wherein the threaded cylinder (7) is movably connected in the slideway (5) through a bearing, and one end of the threaded cylinder (7) close to the center of the disc (3) is arranged in the cavity (4).

4. The head for a muddy water balance push bench according to claim 1, wherein the end of the screw rod (8) far from the center of the disc (3) extends outside the threaded cylinder (8) and the slideway (5).

5. The head for the muddy water balance push bench according to claim 1, wherein the extended end of the screw rod (8) is fixedly connected with an arc-shaped pressing plate (11), and the other end is in threaded sleeve connection with the threaded cylinder (7).

6. The head for a muddy water balance push bench according to claim 1, wherein the limiting block (10) is slidably connected in the chute (9).