CN219809001U - Ground deviation correcting device of rectangular push bench - Google Patents

Abstract

The utility model discloses a ground deviation correcting device of a rectangular push bench, which relates to the technical field of push bench and comprises a shell, wherein a motor is fixedly connected in the shell, the output end of the motor is coaxially and fixedly connected with a gear, the inner wall of the shell is rotationally connected with a toothed ring, one side of the toothed ring is fixedly connected with a deviation correcting oil cylinder, the upper part of the deviation correcting oil cylinder is rotationally connected with a retaining plate, one side of the retaining plate is fixedly connected with a cutter head, the cutter head is movably connected on the shell, and the deviation correcting oil cylinder performs a contracted and extended stroke to drive the cutter head to adjust the direction. Through being connected with the ring gear in the casing internal rotation, fixedly connected with motor in the casing, the output fixedly connected with gear of motor, gear, ring gear meshing, fixedly connected with hydro-cylinder of rectifying on the ring gear, the motor is started, through the cooperation of gear, ring gear, with the hydro-cylinder rotation of rectifying to corresponding angle to adjust the direction of aircraft nose, just can realize all-round direction adjustment through a hydro-cylinder of rectifying, improved efficiency, saved the device cost.

Description

Ground deviation correcting device of rectangular push bench

Technical Field

The utility model relates to the technical field of push bench, in particular to a ground deviation correcting device of a rectangular push bench.

Background

The pipe jacking machine mainly comprises a rotary excavating system, a main top hydraulic propulsion system, a soil conveying system, a grouting system, measuring equipment, ground hoisting equipment, an electrical system and the like. The water balance type push bench is also provided with a mud water treatment device; the rotary excavating system (commonly called as a machine head) mainly comprises a front steel shell, a rear steel shell, a cutting mechanism, a cutting cutter disc, a cutter disc speed reducer, a mud feeding and discharging mechanism, a hydraulic power device, a correction hydraulic cylinder, a waterproof ring, a cutting cutter head, a cutter disc rotating shaft, an electrical system, an automatic control system, an accessory device and the like; the steel shell bears external soil pressure and water pressure, so that the safety of internal equipment and operators is protected, and continuous cutting, lining, propelling and other operations can be conveniently performed on an excavated surface; in addition, the main top hydraulic propulsion system consists of 4 parts of a main top hydraulic pump, a main top hydraulic cylinder, an oil pipe, an operating platform and the like, and is a pushing power device for the rotary excavating system and the constructed pipeline.

The publication number is: CN215806750U, publication date: 2022, 2, 11, titled: a forced deviation correcting device of a water supply and drainage pipe jacking machine comprises a rear cylinder, a front cylinder, a cutter head, a base, a connecting shell, an upper base, a lower base, a deviation correcting oil cylinder, a piston, a ball groove, a hanging ring, an oil duct, a pressure relief block, a hemispherical body and a U-shaped block; the device adopts the design of the buffering type deviation correcting oil cylinder, when the piston rod runs towards the bottom of the cylinder, the piston touches the bottom of the cylinder, the inner wall of the bottom of the cylinder is provided with a pressure reducing block so that the piston rod can slowly move towards the bottom of the cylinder, and the hemispherical body is provided with a spring in the piston, the spring provides certain reverse buffering force and also has certain buffering effect, the service life of the deviation correcting device can be greatly prolonged by the design, the device adopts four deviation correcting oil cylinders, the circumferential positions of the four deviation correcting oil cylinders are 45 degrees, 135 degrees, 225 degrees and 315 degrees respectively, and the machine head of the push bench deflects towards different directions by extending or contracting the two adjacent oil cylinders simultaneously.

In the prior art of the above patent, the four deviation rectifying cylinders are respectively at 45 °, 135 °, 225 °, 315 ° in circumferential positions, and when the deviation rectifying cylinders deflect the head of the push bench in the direction, two adjacent cylinders must be simultaneously extended or contracted, so that the deviation rectifying cylinders can be realized, and the efficiency is low.

Disclosure of Invention

The utility model aims to provide a ground deviation rectifying device of a rectangular push bench, which aims to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a ground deviation correcting device of rectangle push bench, includes the casing, the one end fixedly connected with backplate of casing, fixedly connected with motor in the casing, the coaxial fixedly connected with gear of output of motor, rotate on the inner wall of casing and be connected with the ring gear, gear and ring gear meshing, one side fixedly connected with of ring gear rectifies the hydro-cylinder, the last rotation of rectifying the hydro-cylinder is connected with the offset plate, one side fixedly connected with blade disc of offset plate, blade disc swing joint is on the casing, the stroke that rectifies the hydro-cylinder and shrink, extend, order about the blade disc adjustment direction.

The correcting oil cylinder is characterized in that the output end of the correcting oil cylinder is fixedly connected to one side of the toothed ring, a rotating shaft is fixedly connected to a base of the correcting oil cylinder, a rotating seat is rotatably connected to the rotating shaft, and the rotating seat is fixedly connected to the resisting plate.

The number of the correction cylinders is 4, and each correction cylinder is fixedly connected to the toothed ring in a circumferential array.

The automatic deviation correcting device is characterized in that a piston is connected in the cylinder body of the deviation correcting cylinder in a sliding manner, the piston is fixedly connected to the output end of the deviation correcting cylinder, and a spring is arranged between the piston and the inner wall of the deviation correcting cylinder.

Further, a sliding groove is formed in the inner wall of the shell, and a sliding block is fixedly connected to the peripheral surface of the toothed ring and is in sliding fit with the sliding groove.

Further, the bottom fixedly connected with fixing base of motor, fixing base fixed connection is on the inner wall of casing.

Compared with the prior art, the ground deviation correcting device of the rectangular pipe jacking machine provided by the utility model has the advantages that the toothed ring is rotationally connected in the shell, the motor is fixedly connected in the shell, the gear is fixedly connected with the output end of the motor, the gear and the toothed ring are meshed, the deviation correcting oil cylinder is fixedly connected on the toothed ring, the motor can drive the gear, the deviation correcting oil cylinder is rotated to a corresponding angle through the cooperation of the gear and the toothed ring, so that the direction of the machine head is adjusted, the omnidirectional direction adjustment can be realized through one deviation correcting oil cylinder, the efficiency is improved, and meanwhile, the device cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

fig. 2 is a schematic view of an internal structure of a housing according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a deviation rectifying cylinder according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a housing; 2. a back plate; 3. a motor; 4. a fixing seat; 5. a gear; 6. a toothed ring; 7. a deviation rectifying oil cylinder; 8. a piston; 9. a spring; 10. a rotating shaft; 11. a rotating seat; 12. a retaining plate; 13. and a cutter head.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-3, a ground deviation rectifying device of a rectangular push bench provided by the embodiment of the utility model comprises a shell 1, wherein one end of the shell 1 is fixedly connected with a backboard 2, and a motor 3 is fixedly connected in the shell 1; specifically, the bottom of the motor 3 is fixedly connected with a fixing seat 4, the fixing seat 4 is fixedly connected to the inner wall of the shell 1, and the motor 3 is fixedly connected to the shell 1 through the fixing seat 4; the output end of the motor 3 is coaxially and fixedly connected with a gear 5, and the inner wall of the shell 1 is rotationally connected with a toothed ring 6; specifically, a chute is formed in the inner wall of the shell 1, a sliding block is fixedly connected to the peripheral surface of the toothed ring 6, the sliding block is slidably connected in the chute, and the sliding block is slidably matched with the chute; the sliding block and the sliding groove are annular; the gear 5 is meshed with the toothed ring 6, and one side of the toothed ring 6 is fixedly connected with a deviation rectifying oil cylinder 7; specifically, the output end of the deviation rectifying cylinder 7 is fixedly connected to one side of the toothed ring 6, a rotating shaft 10 is fixedly connected to the base of the deviation rectifying cylinder 7, a rotating seat 11 is rotatably connected to the rotating shaft 10, and the rotating seat 11 is fixedly connected to a resisting plate 12; the piston 8 is fixedly connected to the output end of the deviation rectifying cylinder 7, and a spring 9 is arranged between the piston 8 and the inner wall of the deviation rectifying cylinder 7; specifically, the spring 9 is a compression spring; specifically, one end of the spring 9 is fixedly connected to the inner wall of the deviation rectifying cylinder 7, and the other end of the spring is fixedly connected to the piston 8; the spring 9 provides certain reverse buffering force and also has certain buffering effect, so that the condition that an output end touches the cylinder bottom when the pressure suddenly increases is prevented, and the service life of the deviation correcting cylinder 7 is prolonged; the upper rotation of the deviation rectifying oil cylinder 7 is connected with a deviation-resisting plate 12, one side of the deviation-resisting plate 12 is fixedly connected with a cutter disc 13, the cutter disc 13 is movably connected to the shell 1, and the deviation rectifying oil cylinder 7 performs a contracted and extended stroke to drive the cutter disc 13 to adjust the direction.

As the preferable technical scheme of the utility model, the number of the rectifying cylinders 7 is 4, each rectifying cylinder 7 is fixedly connected on the toothed ring 6 in a circumferential array, the radial angles of the 4 rectifying cylinders 7 in the shell 1 are 90 degrees, 180 degrees, 270 degrees and 360 degrees respectively, and the working efficiency of the plurality of rectifying cylinders 7 can be improved compared with 1 rectifying cylinder.

Working principle: when the push bench is used, the 4 deviation rectifying oil cylinders 7 can be respectively controlled to adjust the directions of the head of the push bench rightwards, downwards, leftwards and upwards by respectively controlling the extension and the contraction of the 4 deviation rectifying oil cylinders 7; for example, the output end of the deviation rectifying cylinder 7 at the 90 ° position can be controlled to shrink, or the output end of the deviation rectifying cylinder 7 at the 270 ° position can be controlled to shrink and extend, so that the same effect can be achieved, and the two deviation rectifying cylinders 7 operate simultaneously, so that the angle of rightward adjustment of the head of the push bench can be increased.

In order to prevent the sudden pressure increase of the deviation rectifying cylinder 7 in the movement process, the condition that the output end of the deviation rectifying cylinder 7 touches the cylinder bottom occurs, a spring 9 is arranged between the inner wall of the deviation rectifying cylinder 7 and the piston 8, and the spring 9 provides certain reverse buffering force and also has certain buffering effect, so that the output end of the deviation rectifying cylinder 7 is slowly contracted, and the service life of the deviation rectifying cylinder 7 is prolonged.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. The utility model provides a ground deviation correcting device of rectangle push bench, includes casing (1), its characterized in that, the one end fixedly connected with backplate (2) of casing (1), fixedly connected with motor (3) in casing (1), coaxial fixedly connected with gear (5) of output of motor (3), rotate on the inner wall of casing (1) and be connected with ring gear (6), gear (5) and ring gear (6) meshing, one side fixedly connected with of ring gear (6) is rectified hydro-cylinder (7), the last rotation of rectifying hydro-cylinder (7) is connected with offset plate (12), one side fixedly connected with blade disc (13) of offset plate (12), blade disc (13) swing joint is on casing (1), rectify the stroke that hydro-cylinder (7) shrink, extend, blade disc (13) adjustment direction order about.

2. The ground deviation correcting device of the rectangular pipe jacking machine according to claim 1, wherein the output end of the deviation correcting oil cylinder (7) is fixedly connected to one side of the toothed ring (6), a rotating shaft (10) is fixedly connected to a base of the deviation correcting oil cylinder (7), a rotating seat (11) is rotatably connected to the rotating shaft (10), and the rotating seat (11) is fixedly connected to the resisting plate (12).

3. The ground deviation rectifying device of the rectangular pipe jacking machine according to claim 1, wherein the number of the deviation rectifying cylinders (7) is 4, and each deviation rectifying cylinder (7) is fixedly connected to the toothed ring (6) in a circumferential array.

4. The ground deviation rectifying device of the rectangular pipe jacking machine according to claim 1, wherein a piston (8) is connected inside a cylinder body of the deviation rectifying cylinder (7) in a sliding mode, the piston (8) is fixedly connected to an output end of the deviation rectifying cylinder (7), and a spring (9) is arranged between the piston (8) and the inner wall of the deviation rectifying cylinder (7).

5. The ground deviation correcting device of the rectangular push bench according to claim 1, wherein a chute is formed in the inner wall of the shell (1), and a sliding block is fixedly connected to the peripheral surface of the toothed ring (6) and is in sliding fit with the chute.

6. The ground deviation correcting device of the rectangular push bench according to claim 1, wherein a fixing seat (4) is fixedly connected to the bottom of the motor (3), and the fixing seat (4) is fixedly connected to the inner wall of the shell (1).