CN113494296A

CN113494296A - Development machine

Info

Publication number: CN113494296A
Application number: CN202110962490.3A
Authority: CN
Inventors: 范鹏程; 卢其文; 张君; 王龙; 樊长锁
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Shanghai Zoomlion Piling Machinery Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Shanghai Zoomlion Piling Machinery Co Ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2021-10-12
Anticipated expiration: 2041-08-20
Also published as: CN113494296B

Abstract

The invention provides a heading machine which comprises a traveling part, a body part, a shovel plate part and a first conveyor, wherein the body part is arranged on the traveling part, the shovel plate part and the first conveyor are both arranged on the body part, the shovel plate part comprises a shovel plate body, the first conveyor is connected to the shovel plate body, and both the shovel plate body and the first conveyor can obliquely move relative to the body part. In the heading machine provided by the embodiment of the invention, the shovel plate part and the first conveyor can move obliquely, so that the problem of chain clamping caused by inconsistent movement due to relative rotation between the parts can be avoided, the shovel plate part is only required to be moved to extend out to collect waste materials, an operator can be far away from a dangerous working face to avoid being injured by the waste materials, the safety of the operator is improved, and the collection of the waste materials is very convenient.

Description

Development machine

Technical Field

The invention relates to the technical field of underground tunneling equipment, in particular to a tunneling machine.

Background

The development machine is a comprehensive equipment which uses machinery to break rock, produce slag and support to implement continuous operation. With the rapid development of national economy, the urbanization process of China is accelerated continuously, and in a quite long period in future, tunnel projects such as domestic urban subway tunnels, hydraulic tunnels, river-crossing tunnels, railway tunnels, highway tunnels, municipal pipelines and the like are developed vigorously, so that a large number of tunnel boring machines can be applied. In addition, a heading machine is also required in coal mining.

As shown in fig. 1, a heading machine includes a traveling unit 11, a main body 12, a first conveyor 13, and a blade unit 15, the main body 12 being provided on the traveling unit 11, the first conveyor 13 being provided on the main body 12, and the blade unit 15 being provided at one end of the first conveyor 13. When the excavator works, the cutting part of the excavator cuts rocks and soil to form a roadway, the shovel plate part 15 collects the peeled mud materials into the first conveyor 13 through the star wheel 152, and the mud materials are conveyed to the rear part of the excavator through the first conveyor 13 and conveyed out through the second conveyor. Wherein the blade portion 15 is connected to the body portion 12 via a first hinge point a, and the blade portion 15 is pushed to swing up and down by a blade cylinder 17, and one end of the blade cylinder 17 is connected to a second hinge point B on the blade portion 15, and the other end is connected to the body portion 12. The first conveyor 13 is connected to the blade section via a third pivot point C. During the travel of the heading machine, the blade portion 15 is raised, and during the shoveling, the blade portion 15 is lowered. However, in the up-and-down movement of the shovel plate, the first conveyor 13 is pulled to perform the compound movement, so that the whole scraper chain cannot be excessively prolonged to be broken; meanwhile, in the up-and-down swinging process of the shovel plate part 15, the included angle D between the shovel plate part 15 and the first conveyor 13 changes, so that the moving direction of the chain near the upper side of the third hinge point C is inconsistent with that of the front chain and the rear chain, and the conditions of chain wheel clamping stagnation and the like easily occur near the third hinge point C; shovel 15 shovel material in-process of board portion need rely on walking portion 11 to impel the complete machine forward to shovel into shovel board portion upside with waste material, the operation process is more complicated, and hit by the waste material that drops suddenly easily when advancing, and the security is relatively poor.

Disclosure of Invention

The invention aims to provide a heading machine which can avoid chain clamping stagnation, is convenient for waste material collection and transportation and improves safety.

The invention provides a heading machine which comprises a traveling part, a body part, a shovel plate part and a first conveyor, wherein the body part is arranged on the traveling part, the shovel plate part and the first conveyor are both arranged on the body part, the shovel plate part comprises a shovel plate body, the first conveyor is connected to the shovel plate body, and both the shovel plate body and the first conveyor can obliquely move relative to the body part.

In one embodiment, the direction of the tilting movement of the blade body and the first conveyor is the same.

In one embodiment, the body portion is provided with a first slide way, an extending direction of the first slide way is the same as an inclined moving direction of the shovel plate body, and the shovel plate portion is movably arranged in the first slide way.

In one embodiment, the shovel board further comprises an extensible member, the shovel board body is connected to the extensible member and driven by the extensible member to move in an inclined mode, the extensible member comprises a cylinder and a driving member, one end of the driving member is connected to the cylinder to drive the cylinder to stretch, and the cylinder is in contact fit with the inner wall of the first slide.

In one embodiment, the shovel plate body is provided with two star wheels, the shovel plate body is provided with an opening located between the two star wheels, and one end of the first conveyor is opposite to the opening.

In one embodiment, the body further has a second slide way, and the first conveyor movably passes through the second slide way.

In an embodiment, the body portion is provided with two first slide ways which are arranged in parallel, and the two first slide ways are symmetrically distributed on two sides of the second slide way.

In one embodiment, a sliding base plate is arranged at the bottom of the second slideway.

In one embodiment, the first conveyor comprises a support, a scraper chain, a driving wheel and a driven wheel, the driving wheel and the driven wheel are both rotatably arranged on the support, and the scraper chain is sequentially wound on the driving wheel and the driven wheel.

In one embodiment, the driven wheel is connected to the bracket through a rotating shaft, and two ends of the rotating shaft are also connected to the shovel plate body.

In the heading machine provided by the embodiment of the invention, the shovel plate part and the first conveyor can move obliquely, so that the problem of chain clamping caused by inconsistent movement due to relative rotation between the parts can be avoided, the shovel plate part is only required to be moved to extend out to collect waste materials, an operator can be far away from a dangerous working face to avoid being injured by the waste materials, the safety of the operator is improved, and the collection of the waste materials is very convenient.

Drawings

Fig. 1 is a schematic structural view of a heading machine.

Fig. 2 is a schematic view of the overall structure of the heading machine according to the embodiment of the present invention.

Fig. 3 is a schematic top view of the heading machine shown in fig. 2.

Fig. 4 is a cross-sectional view taken along line IV-IV of fig. 3.

Fig. 5 is a cross-sectional view taken along V-V in fig. 3.

Fig. 6 is a schematic view of the heading machine shown in fig. 2 in a state where the blade portion is retracted.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings. While the present invention has been described in connection with the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications, equivalent arrangements, and specific embodiments thereof.

In this document, the terms "first," "second," "third," "fourth," "fifth," and the like (if any) are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

In this document, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like (if any) are used in the description to describe the positions of structures in the drawings and the positions of the structures relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the present application.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the display device and the color display method according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 2 and 3, the heading machine according to the embodiment of the present invention includes a traveling unit 31, a body unit 33, a blade unit 35, and a first conveyor 37. The main body 33 is provided on the traveling unit 31 and is moved by the traveling unit 31. The shovel portion 35 and the first conveyor 37 are both attached to the body portion 33. The heading machine further comprises a cutting part 39 and a rear supporting part 41, the cutting part 39 is mounted at the front end of the body part 33 and used for cutting rocks and mud to form a roadway, and the rear supporting part 41 is connected to the rear end of the body part 33 to reduce vibration of the heading machine when cutting, and improve working stability. Referring to fig. 4 and 5, the shovel portion 35 includes a shovel body 352, the first conveyor 37 is connected to the shovel body 352, and both the shovel body 352 and the first conveyor 37 are capable of tilting relative to the body 33. Specifically, the direction of the diagonal movement is inclined at an angle with respect to the horizontal direction, and more specifically, the angle between the direction of the diagonal movement and the horizontal direction is E. Specifically, the direction of the inclined movement of the blade body 352 and the first conveyor 37 is the same, so that the movement of the blade body 352 and the first conveyor 37 is smoother.

In this embodiment, the traveling unit 31 may be a crawler-type traveling mechanism, but of course, the traveling unit 31 may be a wheel-type traveling mechanism.

In this embodiment, the main body 33 is provided with a first slide rail 332, and the extending direction of the first slide rail 332 is the same as the inclined moving direction of the shovel plate 352. Specifically, referring to fig. 5, the main body 33 is provided with two first slide ways 332 disposed in parallel. The main body 33 is further provided with a second slide rail 334, and the extending direction of the second slide rail 334 is the same as the inclined moving direction of the blade body 352.

Specifically, the two first runners 332 are symmetrically distributed on both sides of the second runner 334. The inner wall of the first sliding member 332 may be made of a high-strength wear-resistant material, such as NM 400.

Specifically, the bottom of the second slideway 334 is provided with a sliding pad 336. The slide pad 336 is adapted to contact the first conveyor 37, and the first conveyor 37 slides on the slide pad 336. The sliding pad plate 336 is made of a high-strength wear-resistant material, such as NM 400.

In this embodiment, the shovel portion 35 is movably disposed in the first slideway 332. Blade portion 35 also includes telescoping members 354, and blade body 352 is coupled to telescoping members 354 and is driven by telescoping members 354 to move in an angled direction. Specifically, the telescopic member 354 includes a cylinder 3542 and a driving member 3544, and one end of the driving member 3544 is connected to the cylinder 3542 to drive the cylinder 3542 to extend and retract, so as to drive the blade body 352 to move. The driving member 3544 may be a telescopic cylinder or a telescopic cylinder. It will be appreciated that the cylinder 3542 may be omitted and that one end of the drive member 3544 may be directly connected to the blade body 354. It is understood that the cylinder 3542 may be driven to extend or retract by other structures, such as a motor, a transmission mechanism, and a driving mechanism, wherein the motor rotates to convert the rotation of the motor into linear motion, and the transmission mechanism is connected to the cylinder 3542.

Specifically, blade body 352 extends beyond first slide 332 to collect waste materials such as rock and dirt.

Specifically, two telescopic members 354 are provided, and are respectively disposed in the two first sliding ways 332.

Specifically, cylinder 3542 has a larger outer diameter and is configured to engage with an inner wall of first runner 332 to guide the movement of blade body 352. The cylinder 3542 may be made of a high strength wear resistant material, such as NM 400.

Specifically, a star wheel 356 is provided on the blade body 352, and the star wheel 356 can collect the rocks and soil inward and to the first conveyor 37.

Specifically, the shovel body 352 is provided with an opening 358 between the two star wheels 356, and one end of the first conveyor 37 faces the opening 358. In this way, the rock and dirt are collected by the star wheel 356 and fall to the opening 358, where it can fall right onto the first conveyor 37 and be carried by the first conveyor 37 towards the rear end.

In this embodiment, the first conveyor 37 is movable across the second skid 334. Specifically, the first conveyor 37 makes an angle F, and E equal to the horizontal direction. The first conveyor 37 includes a frame 370, a scraper chain 372, a driving wheel 374 and a driven wheel 376, the driving wheel 374 and the driven wheel 376 are both rotatably provided on the frame 370, and the scraper chain 372 is sequentially wound around the driving wheel 374 and the driven wheel 376. Specifically, the bracket 370 is provided with a transport groove, and the scraper chain 372 is positioned in the transport groove. Through installing drive wheel 374 and follow driving wheel 376 on support 370, can not take place relative position change between drive wheel 374, follow driving wheel 376 and scraper chain 372 to make the smooth motion of scraper chain 372 ability, avoid the chain jamming, reduce the emergence of trouble.

Specifically, driven wheel 376 is coupled to bracket 370 via a shaft 378. Shaft 378 is also connected at both ends to blade body 352. By connecting one end of the first conveyor 37 to the blade body 352 through the rotation shaft 378, the connection between the first conveyor 37 and the blade body 352 is not completely fixed, and unnecessary deformation caused by movement of the first conveyor 27 and the blade body 352 can be avoided.

The entry driving machine of this embodiment is at the during operation, opens cutting units 39 earlier and cuts the tunnel front end, then stretches out shovel board portion 35 and accepts the waste material that drops, opens star gear 356 and rotates, draws in the waste material in support 370, then transports the waste material out by drag chain 372. After the front end tunnel is cut, the shovel plate part 35 is retracted to support the tunnel which is just excavated, and after the support is finished, the heading machine moves forwards to repeat the previous action.

Referring to fig. 6, when the shovel portion 35 is retracted, if the length of the retractable member 354 is L, the shovel portion 35 is raised by H, which is L × sinE, that is, a certain height difference is formed between the shovel portion 35 and the bottom of the traveling portion 31, so that the heading machine can travel forward normally. At the same time as the blade portion 35 is retracted, the first conveyor 37 is also retracted together.

In the entry driving machine of this embodiment, because shovel board portion and the slant of first conveyer remove, can avoid between the part because the motion inconsistent that relative rotation leads to, and then the chain jamming problem that leads to, only need remove shovel board portion moreover and stretch out it and can collect the waste material, operating personnel can keep away from dangerous working face, avoids being injured by the waste material pounding, increases personnel's security, and the collection of waste material is also very convenient.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The heading machine comprises a walking part (31), a body part (33), a shovel plate part (35) and a first conveyor (37), wherein the body part (33) is arranged on the walking part (31), the heading machine is characterized in that the shovel plate part (35) and the first conveyor (37) are both arranged on the body part (33), the shovel plate part (35) comprises a shovel plate body (352), the first conveyor (37) is connected to the shovel plate body (352), and both the shovel plate body (352) and the first conveyor (37) can obliquely move relative to the body part (33).

2. The heading machine according to claim 1, wherein the direction of the tilting movement of the blade body (352) and the first conveyor (37) is the same.

3. The heading machine according to claim 1, wherein the body portion (33) has a first slide (332) formed thereon, the first slide (332) extends in the same direction as the direction of the tilting movement of the blade body (352), and the blade portion (35) is movably disposed in the first slide (332).

4. The heading machine of claim 3, wherein the blade portion (35) further comprises a telescoping member (354), the blade body (352) being connected to the telescoping member (354) and being driven by the telescoping member (354) to move in a diagonal direction, the telescoping member (354) comprising a barrel (3542) and a drive member (3544), the drive member (3544) being connected at one end to the barrel (3542) to drive the barrel (3542) to telescope, the barrel (3542) being in contacting engagement with the inner wall of the first ramp (332).

5. The heading machine according to claim 1, wherein the blade body (352) is provided with two star wheels (356), the blade body (352) is provided with an opening (358) between the two star wheels (356), and one end of the first conveyor (37) faces the opening (358).

6. A heading machine according to claim 3, wherein the body portion (33) further defines a second slideway (334), the first conveyor (37) being movable through the second slideway (334).

7. The heading machine according to claim 6, wherein the body portion (33) defines two parallel first runners (332), and the two first runners (332) are symmetrically disposed on two sides of the second runner (334).

8. The heading machine according to claim 6, wherein a sliding pad (336) is provided at the bottom of the second chute (334).

9. A heading machine according to claim 1, wherein the first conveyor (37) includes a frame (370), a scraper chain (372), a drive wheel (374) and a driven wheel (376), the drive wheel (374) and the driven wheel (376) each being rotatably mounted on the frame (370), the scraper chain (372) being in turn wound around the drive wheel (374) and the driven wheel (376).

10. A heading machine according to claim 9, wherein the driven wheel (376) is connected to the carriage (370) by a shaft (378), the shaft (378) also being connected at either end to the blade body (352).