CN218581600U

CN218581600U - Electric power tunnel construction device

Info

Publication number: CN218581600U
Application number: CN202122932137.9U
Authority: CN
Inventors: 廖巨成; 王勇; 郭龙杰; 李道武; 阳勇; 蔡平; 岳波; 江桂云; 刘纲; 汤念
Original assignee: Chongqing Transmission And Distribution Engineering Co ltd; Chongqing University; State Grid Corp of China SGCC
Current assignee: Chongqing Transmission And Distribution Engineering Co ltd; Chongqing University; State Grid Corp of China SGCC
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2023-03-07
Anticipated expiration: 2031-11-26

Abstract

The utility model aims at providing an electric power tunnel construction equipment. The device comprises a base arranged at the front end of the excavator bucket rod, a double-tunneling-component unit arranged on the base and the like. When the excavation is started, the top disk is located at a position close to the front end of the drill cylinder by adjusting the sliding block, and meanwhile, the front end of the drill cylinder is in contact with the tunneling operation surface. The two drilling barrels are driven to rotate through hydraulic driving, the two drilling barrels are driven to tunnel simultaneously, the sliding blocks are driven to move forwards through the horizontal feeding system, and the double tunneling component unit moves forwards. When the drill barrel is filled with the muck, the electric power tunnel construction device is moved to the position for deslagging in the deslagging process, and then the sliding block is driven by the horizontal feeding system to move backwards, so that the muck is ejected out of the drill barrel by the top disc on the coring rod. The utility model discloses realize that mechanized operation drills and the tunnel excavates, can raise the efficiency and alleviate construction worker's operation intensity, improve the security of construction operation.

Description

Electric power tunnel construction device

Technical Field

The utility model relates to an electric power system construction equipment field.

Background

At present, the electric power tunnel is mainly used for conveying urban cables, and the traditional blasting mode not only can cause the damage of urban traffic tracks and buildings, but also can cause noise pollution. In addition, the turning radius of the electric tunnel is smaller than that of other types of tunnels such as railways and highways, the shape of the electric tunnel is relatively complex, and common tunnel tunneling equipment such as a shield machine is not suitable for tunneling the electric tunnel.

Disclosure of Invention

The utility model aims at realizing that mechanized operation drills and tunnel excavation, can raise the efficiency and alleviate construction worker's operation intensity, improve the security of construction operation, provide an electric power tunnel construction equipment, including installing in the base of excavator dipper front end to and the two tunnelling part units that set up on the base etc..

And a guide rail system is arranged on the base. The guide rail system comprises two guide rails and a slide block arranged on the two guide rails. And the sliding block is provided with a double tunneling component unit.

Each heading component unit comprises a drill barrel, a drill shaft, a coupling system, a hydraulic motor support and a hydraulic motor. The lower end of the hydraulic motor support is fixed on the surface of the sliding block. The hydraulic motor is mounted on the hydraulic motor support. And a bearing seat of the coupling system is fixed on the surface of the sliding block. The transmission shaft is arranged on the bearing seat through a bearing. The front end of the transmission shaft is connected with the drill barrel, and the rear end of the transmission shaft is provided with a gear. The hydraulic motor drives the transmission shaft and the drill barrel to rotate through the engagement of the gear and the output gear of the hydraulic motor. The transmission shaft is a hollow shaft. One end of the core rod penetrates into the drill cylinder from the transmission shaft. And the top disc in the drill cylinder is connected to the end of the core rod. The other end of the core-taking rod is connected to a rear supporting seat on the base.

The slider is driven by a horizontal feed system mounted on the upper surface of the base. In the tunneling process, the horizontal feeding system drives the sliding block to move forwards, so that the double tunneling component unit moves forwards. In the slag discharging process, the horizontal feeding system drives the sliding block to move backwards, and the top disc on the coring rod ejects the slag out of the drill barrel.

Further, the horizontal feeding system comprises a chain, a chain wheel and a hydraulic motor. Two sides of the sliding block are respectively provided with a chain wheel, one chain wheel is arranged on a rotating shaft of the hydraulic motor, and the other chain wheel is arranged on a mounting seat on the base through the rotating shaft and a bearing. The chain is driven by the chain wheel to move. The lower end of the sliding block is fixed on the chain wheel.

Further, the core taking rod is a hollow steel water pipe. One end of the steel water pipe is connected with a water supply system, and the other section in the drill cylinder is a water outlet end.

Further, the core rod is coaxial with the drill cylinder. And a gap is reserved between the periphery of the top disk and the inner wall of the drill cylinder.

Furthermore, the coupling system also comprises a bolt for reaming holes, a sealing ring, a bearing seat rear end cover, a bearing seat front end cover and a flange plate.

The flange plate is fixedly connected with the drill cylinder, and the flange plate and the drill cylinder are coaxial. The transmission shaft is connected with the flange plate through a reaming hole by a bolt.

The bearing is sealed inside the bearing seat by the bearing seat rear end cover and the bearing seat front end cover, and a sealing ring is arranged at a sealing port of the bearing seat rear end cover and the bearing seat front end cover.

The gear is fixedly arranged on a step shaft on the transmission shaft.

Further, the bearing is a tapered roller bearing.

The technical effects of the utility model are undoubted, its advantage and positive effect as follows:

(1) Compared with manual drilling, the device has the advantages that the construction efficiency is high, the depth of 0.7-0.8 m for one-time manual drilling needs 6-8 minutes, the device can drill 1-1.2 m, each hole only needs 3-4 minutes, and the construction time is greatly prolonged.

(2) The device is matched with the excavator, continuous tunneling work can be directly realized by operating an operating handle and a touch screen of an excavator cab, and the operation preparation time can be greatly reduced.

(3) The device has high reliability, when punching, the device slides along the slide rail to realize punching feeding and returning, punching is carried out by pushing or retreating without manually depending on experience, manual punching needs to be completed by matching of a plurality of persons, mechanical punching only needs 1 excavator operator, and the matching of a plurality of persons is not needed; in addition, under the complicated environment, people still need to bear the influence of the environment, and the machinery is relatively less harsh.

(4) Practice thrift the cost, the flexibility ratio is high, for equal type equipment on the market, does not need a large amount of manual works and huge equipment, so the low in manufacturing cost of this equipment, equipment is small and exquisite, can change the position in a flexible way as required and realize punching.

(5) The dust is little, and when punching, the drill bit takes place the friction with the stone and can produce a large amount of dusts, is harmful to the human body, through install the water pipe additional on the device, reduces the production of dust when being favorable to punching, more is applicable to the urban construction.

Drawings

FIG. 1 is a schematic diagram of the apparatus;

FIG. 2 is a schematic view of the structure of a drill barrel of the device;

fig. 3 is a perspective view of the mechanical structure of the main part of the device;

fig. 4 is a schematic structural view of a coupling system.

In the figure: the drilling machine comprises a base (1), a horizontal feeding system (2), a chain (201), a chain wheel (202), a hydraulic motor (8), a guide rail system (3), a sliding block (301), a track (302), a drilling barrel (4), a coring rod (401), a top plate (402), a drilling shaft (5), a coupling system (6), an axial locking nut (601), a gear (602), double nuts (603), a tapered roller bearing (604), a transmission shaft (605), a bolt (606) for a reaming hole, a sealing ring (608), a bearing seat rear end cover (609), a bearing seat (6010), a bearing seat front end cover (6011), a flange plate (6012), a hydraulic motor support (7) and a hydraulic motor (8).

Detailed Description

The present invention will be further described with reference to the following examples, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and modifications can be made without departing from the technical spirit of the invention and according to the common technical knowledge and conventional means in the field, and all shall be included in the scope of the invention.

Example 1:

an electric power tunnel construction device is characterized by comprising a base 1 arranged at the front end of a bucket rod of an excavator, a double-tunneling-component unit arranged on the base 1 and the like;

the base 1 is provided with a guide rail system 3; the guide rail system 3 comprises two guide rail systems 3 and a slide block 301 arranged on the two guide rail systems 3; a double tunneling component unit is arranged on the sliding block 301;

each tunneling component unit comprises a drill barrel 4, a drill shaft 5, a coupling system 6, a hydraulic motor support 7 and a hydraulic motor 8; the lower end of the hydraulic motor bracket 7 is fixed on the surface of the sliding block 301; the hydraulic motor 8 is arranged on the hydraulic motor bracket 7; the bearing seat 6010 of the coupling system 6 is fixed on the surface of the sliding block 301; the transmission shaft 605 is mounted on the bearing seat 6010 through a bearing 604; the front end of the transmission shaft 605 is connected with the drill barrel 4, and the rear end is provided with a gear 602; the gear 602 is meshed with an output gear of the hydraulic motor 8, so that the hydraulic motor 8 drives the transmission shaft 605 and the drill barrel 4 to rotate; the transmission shaft 605 is a hollow shaft; one end of the core rod 401 penetrates into the drill barrel 4 from the transmission shaft 605; the top disc 402 in the drill barrel 4 is connected with the end of the core rod 401; the other end of the coring bar 401 is connected to the rear supporting seat on the base 1. The rear supporting seat aims to resist the reaction force of rock soil to a drill bit (the front end of a drill barrel) during drilling, and adjusting bolts can be arranged on two sides of the rear supporting seat to adjust the distance.

During construction, the drill cylinders 4 rotate at a high speed, the sawteeth at the front ends cut rock soil of an operation surface, and the two drill cylinders 4 drill holes simultaneously. The device selects a hydraulic motor which is small in size and can be connected with a hydraulic power system installed on the excavator to be used as a driving element, wherein the rotating speed of the drill barrel 4 can be intelligently adjusted through the hydraulic motor 8, and the rotating direction of the drill barrel 4 is adjusted by controlling the rotating direction of the hydraulic motor 8.

The slide block 301 is driven by a horizontal feeding system arranged on the upper surface of the base 1; during the tunneling process, the horizontal feeding system drives the sliding block 301 to move forward, so that the double tunneling part unit moves forward. During slag removal, the horizontal feeding system drives the slide block 301 to move backwards, and the top disc 402 on the coring rod 401 ejects the slag from the drill barrel 4. I.e. the axial movement of the drill barrel 4 is controlled by the feed system

Example 2:

the main structure of this embodiment is the same as that of embodiment 1, and further, the horizontal feeding system includes a chain 201, a sprocket 202 and a hydraulic motor 8; two sides of the sliding block 301 are respectively provided with a chain wheel 202, wherein one chain wheel 202 is arranged on a rotating shaft of the hydraulic motor 8, and the other chain wheel 202 is arranged on an installation seat on the base 1 through the rotating shaft and a bearing; the chain 201 is driven by a chain wheel 202 to move; the lower end of the slide block 301 is fixed on the sprocket 202.

Example 3:

the main structure of this embodiment is the same as that of embodiment 1, and further, the coring bar 401 is a hollow steel water pipe; one end of the steel water pipe is connected with a water supply system, and the other section in the drill cylinder 4 is a water outlet end. The core rod 401 is coaxial with the drill barrel 4; there is a gap between the periphery of the top plate 402 and the inner wall of the drill barrel 4. In the embodiment, the top disc is installed at the front end of the core taking rod through threaded connection, the diameter of the top disc is slightly smaller than the inner diameter of the drill cylinder, so that most of muck can be completely ejected, and dry friction between the top disc and the inside of the cylinder in the feeding direction can be avoided

Example 4:

the main structure of this embodiment is the same as that of embodiment 1, and further, the coupling system 6 further includes a bolt 606 for reaming, a seal ring 608, a bearing seat rear end cover 609, a bearing seat front end cover 6011, and a flange 6012;

the flange 6012 is fixedly connected with the drill cylinder 4, and the flange plate and the drill cylinder are coaxial; the transmission shaft 605 is connected with a flange 6012 through a hinge hole by bolts 606;

the bearing 604 is sealed inside the bearing seat 6010 by the bearing seat rear end cover 609 and the bearing seat front end cover 6011, and a sealing ring 608 is arranged at a sealing opening of the bearing seat rear end cover 609;

the gear 602 is fixedly mounted on a step shaft on a drive shaft 605.

Radial load is mainly generated in the rotating working condition, and part of axial load is accompanied during feeding, so that a tapered roller bearing is added on the transmission shaft, and the bearing can bear the radial load generated during drilling and can also bear part of the axial load generated during feeding of the drill bit. The connection strength of the transmission shaft and the flange plate is the key of the whole rotary transmission system, and the torque generated when the drill cylinder rotates in rock soil is mainly borne by the bolts on the flange plate, so that the reamed holes with better shearing resistance are connected by the bolts.

Example 5:

disclosed is a construction method using any one of the embodiments 1 to 5, characterized in that:

one end of a base 1 is hinged to a bucket rod and a bucket hydraulic cylinder of the excavator, and the position and the posture of the electric power tunnel construction device are controlled through a bucket operating system of the excavator;

connecting the hydraulic motor 8 and the hydraulic motor 8 with a hydraulic power system of the excavator; the rotation of the drill barrel 4 and the movement of the slide block 301 are controlled by a hydraulic power operating system of the excavator;

when excavation is started, the slide block 301 is adjusted to enable the top disc 402 to be located at a position close to the front end of the drill barrel 4, and meanwhile, the front end of the drill barrel 4 is enabled to be in contact with a tunneling operation surface; two hydraulic motors 8 are driven to rotate through hydraulic pressure, so that two drill barrels 4 are tunneled simultaneously, and a sliding block 301 is driven to move forwards through a horizontal feeding system, so that a double tunneling part unit moves forwards;

when the drill barrel 4 is filled with the muck, in the process of deslagging, the electric power tunnel construction device is moved to a deslagging position, and then the sliding block 301 is driven by the horizontal feeding system to move backwards, so that the muck is ejected out of the drill barrel 4 by the top disc 402 on the core bar 401;

and repeating the process to complete the construction of the electric power tunnel.

Claims

1. The electric power tunnel construction device is characterized by comprising a base (1) arranged at the front end of a bucket rod of an excavator and double tunneling component units arranged on the base (1);

a guide rail system (3) is arranged on the base (1); the guide rail system (3) comprises two guide rail systems (3) and a slide block (301) arranged on the two guide rail systems (3); a double tunneling component unit is arranged on the sliding block (301);

each tunneling component unit comprises a drilling barrel (4), a drilling shaft (5), a coupling system (6), a hydraulic motor support (7) and a hydraulic motor (8); the lower end of the hydraulic motor support (7) is fixed on the surface of the sliding block (301); the hydraulic motor (8) is arranged on the hydraulic motor bracket (7); a bearing seat (6010) of the coupling system (6) is fixed on the surface of the sliding block (301); the transmission shaft (605) is arranged on the bearing seat (6010) through a bearing (604); the front end of the transmission shaft (605) is connected with the drill barrel (4), and the rear end is provided with a gear (602); the gear (602) is meshed with an output gear of the hydraulic motor (8), so that the hydraulic motor (8) drives the transmission shaft (605) and the drill barrel (4) to rotate; the transmission shaft (605) is a hollow shaft; one end of the core rod (401) penetrates into the drill barrel (4) from the transmission shaft (605); the top disc (402) in the drill cylinder (4) is connected to the end of the core taking rod (401); the other end of the core taking rod (401) is connected to a rear supporting seat on the base (1);

the slide block (301) is driven by a horizontal feeding system arranged on the upper surface of the base (1); in the tunneling process, the horizontal feeding system drives the sliding block (301) to move forwards, so that the double tunneling component unit moves forwards; in the slag discharging process, the horizontal feeding system drives the sliding block (301) to move backwards, and the top disc (402) on the coring rod (401) ejects the slag from the drill barrel (4).

2. The electric power tunnel construction device according to claim 1, wherein: the horizontal feeding system comprises a chain (201), a chain wheel (202) and a hydraulic motor (8); two sides of the sliding block (301) are respectively provided with a chain wheel (202), one chain wheel (202) is installed on a rotating shaft of the hydraulic motor (8), and the other chain wheel (202) is installed on an installation seat on the base (1) through the rotating shaft and a bearing; the chain (201) is driven by a chain wheel (202) to move; the lower end of the sliding block (301) is fixed on the chain wheel (202).

3. The electric power tunnel construction device according to claim 1, wherein: the core-pulling rod (401) is a hollow steel water pipe; one end of the steel water pipe is connected with a water supply system, and the other section in the drill cylinder (4) is a water outlet end.

4. The electric power tunnel construction device according to claim 1, wherein: the core taking rod (401) is coaxial with the drill cylinder (4); gaps are reserved between the periphery of the top disc (402) and the inner wall of the drill cylinder (4).

5. The electric power tunnel construction device according to claim 1, wherein: the coupling system (6) further comprises a bolt (606) for a reaming hole, a sealing ring (608), a bearing seat rear end cover (609), a bearing seat front end cover (6011) and a flange plate (6012);

the flange plate (6012) is fixedly connected with the drill barrel (4) and is coaxial with the drill barrel; the transmission shaft (605) is connected with a flange plate (6012) through a reaming hole by a bolt (606);

the bearing (604) is sealed inside the bearing seat (6010) by the bearing seat rear end cover (609) and the bearing seat front end cover (6011), and a sealing ring (608) is arranged at a sealing opening of the bearing seat rear end cover and the bearing seat front end cover;

the gear (602) is fixedly arranged on a step shaft on the transmission shaft (605).

6. The electric power tunnel construction device according to claim 1, wherein: the bearing (604) is a tapered roller bearing.