CN210483721U

CN210483721U - Development machine

Info

Publication number: CN210483721U
Application number: CN201921648148.0U
Authority: CN
Inventors: 柳枫; 高承兴; 杨帆; 高志俭
Original assignee: Sany Heavy Equipment Co Ltd
Current assignee: Sany Heavy Equipment Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-05-08
Anticipated expiration: 2029-09-29

Abstract

The utility model provides a heading machine belongs to engineering machine tool and makes technical field. The entry driving machine includes cutting unit, the shovel portion, this somatic part and walking portion, the bottom that walking portion is located this somatic part is connected with this somatic part, be provided with the revolving platform on the somatic part, cutting unit is connected and extends to the direction of keeping away from the revolving platform with the revolving platform, the shovel portion is connected with the bottom of this somatic part, and the shovel portion is located the below of cutting unit, cutting unit includes drive arrangement, elastic coupling, reduction gear and cutterhead, drive arrangement passes through elastic coupling and is connected with the input transmission of reduction gear, the reduction gear output is connected with the one end of cutterhead, drive arrangement is connected with the revolving platform, a circumferential direction for drive cutterhead. An object of the utility model is to provide a heading machine can reduce the heading machine cutting operation in-process, and the high rigidity rock reduces the damage probability of cutting unit to cutting unit's impact, extension heading machine life.

Description

Development machine

Technical Field

The utility model relates to an engineering machine tool makes technical field, particularly, relates to a heading machine.

Background

In the construction of coal mines, road tunnels, metal mines, railway tunnels, subways and the like, the development machine can cut materials and load and transport the materials, so that the development machine is widely applied.

However, the cutting capability of the existing common heading machine is relatively poor, and when rock is cut and broken on a rock stratum with relatively high hardness, the cutting part of the heading machine is usually damaged due to relatively large impact force. Therefore, the existing heading machine cannot be suitable for the working conditions that the roadway sections such as a water conservancy tunnel and the like are small and the hardness of rocks is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heading machine can reduce the heading machine cutting operation in-process, and the high rigidity rock reduces the damage probability of cutting unit to cutting unit's impact, extension heading machine life.

The embodiment of the utility model is realized like this:

the utility model discloses an aspect provides a heading machine, include: cutting unit, shovel board portion, this somatic part and walking portion, the bottom that the walking portion is located this somatic part is connected with this somatic part, be provided with the revolving platform on the somatic part, cutting unit is connected and extends to the direction of keeping away from the revolving platform with the revolving platform, shovel board portion is connected with the bottom of this somatic part, and shovel board position in cutting unit's below, cutting unit includes drive arrangement, elastic coupling, reduction gear and cutterhead, drive arrangement passes through elastic coupling and is connected with the input transmission of reduction gear, the reduction gear output is connected with the one end of cutterhead, drive arrangement is connected with the revolving platform, be used for driving cutterhead circumferential direction.

Optionally, the cutting head includes a rotating shaft, the circumferential wall of the rotating shaft is formed with cutting teeth arranged spirally, and one end of the rotating shaft is connected with the output end of the speed reducer.

Alternatively, the rotary shaft is formed with a spiral guide plate disposed along the arrangement direction of the cutting picks.

Optionally, one end of the rotating shaft, which is far away from the speed reducer, is provided with a cone, and the bottom surface of the cone is connected with the end surface of the rotating shaft.

Optionally, the rotating shaft is a cone, and the bottom surface of the rotating shaft is connected with the output end of the speed reducer.

Optionally, the heading machine further includes a scraper chain, a scraper chain cavity is formed in the body, the scraper chain penetrates through the body through the scraper chain cavity, one end of the scraper chain is abutted against the shovel plate, and the other end of the scraper chain extends out of the body.

Optionally, one end of the scraper chain extending out of the body part extends towards a direction away from the body part, and an included angle between the extending direction and the body part is greater than 0 degree and smaller than 90 degrees.

Optionally, the heading machine further comprises a dust removal system disposed at a side of the body portion for removing the filtered dust.

Optionally, the heading machine further comprises a hydraulic system and an electrical system, the hydraulic system and the electrical system are both arranged on the side surface of the body part, and the hydraulic system is electrically connected with the electrical system.

Optionally, an end of the bottom of the body portion, which is away from the shovel portion, is provided with a telescopic rod for supporting the body portion and adjusting a distance between the body portion and the ground.

The utility model discloses beneficial effect includes:

an embodiment of the utility model provides a pair of heading machine, including cutting units, shovel board portion, this somatic part and walking portion. The walking part is arranged at the bottom of the body part and connected with the body part, and the body part can be driven to move through the movement of the walking part. Be provided with the revolving platform on this somatic part, the cutting part is connected with the revolving platform in order to set up on this somatic part, and the cutting part extends to the direction of keeping away from the revolving platform, and the rotation through the revolving platform can drive the cutting part and rotate to the direction of adjustment cutting part's extending direction cuts to realize that the cutting part cuts to the not equidirectional rock. In the below of cutting units, the bottom of this part is connected with the shovel board, can shovel and collect the rock material under the cutting units cutting through the shovel board to follow-up rock material under cutting is transported outside tunnel (tunnel). Wherein, the cutting part comprises a driving device, an elastic coupling, a speed reducer and a cutting head. The driving device is in transmission connection with the speed reducer through the elastic coupling, and the speed reducer is in transmission connection with the cutting head. Because elastic coupling has the absorbing effect, consequently be connected drive arrangement and reduction gear transmission through elastic coupling, on the basis that does not influence normal drive between drive arrangement and the reduction gear, can also cushion the impact force that high rigidity rock comes through cutterhead and reduction gear transmission, thereby reduce the impact force to the connection structure's between drive arrangement and the reduction gear influence, and can play the guard action to drive arrangement, reduce the stress impact that drive arrangement received, reduce the probability that drive arrangement damaged because of receiving stronger impact force, the life-span of extension drive arrangement, thereby reduce the damage probability of cutting unit, the life of extension this entry driving machine. Make this entry driving machine can be applicable to tunnel sections such as water conservancy tunnel less more, and in the higher operating mode of rock hardness.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a cutting part of a heading machine according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a schematic structural diagram of a heading machine provided by an embodiment of the present invention;

fig. 4 is a schematic structural diagram of another view angle of the heading machine according to the embodiment of the present invention.

Icon: 110-a cutting part; 111-a drive device; 112-elastic coupling; 113-a reducer; 114-a cutting head; 1141-a rotating shaft; 1142-a cutting pick; 1143-a spiral guide plate; 120-a blade portion; 130-a body portion; 131-a turntable; 140-a walking part; 150-scraper chain; 160-a dust removal system; 170-hydraulic system; 180-an electrical system; 190-telescopic rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An embodiment of the utility model provides a heading machine, as shown in fig. 3, include: cutting unit 110, blade portion 120, body portion 130 and walking portion 140, walking portion 140 is located the bottom and body portion 130 of body portion 130 and is connected, as shown in fig. 4, be provided with revolving platform 131 on body portion 130, cutting unit 110 is connected with revolving platform 131 and extends to the direction of keeping away from revolving platform 131, blade portion 120 is connected with the bottom of body portion 130, and blade portion 120 is located the below of cutting unit 110, combine fig. 1 and fig. 2 to show, cutting unit 110 includes drive arrangement 111, elastic coupling 112, reduction gear 113 and cutterhead 114, drive arrangement 111 is connected with the input transmission of reduction gear 113 through elastic coupling 112, reduction gear 113 output is connected with the one end of cutterhead 114, drive arrangement 111 is connected with revolving platform 131, be used for driving cutterhead 114 circumferential direction.

First, in practical applications, the walking part 140 may be a crawler moving platform, a roller moving platform, or the like, and is not limited in this respect.

Second, the blade section 120 is located below the cutting section 110, where below is relative to the orientation of the machine in normal use, i.e. the blade section 120 is located below the cutting section 110 when the machine is placed in a normal in use attitude.

Thirdly, the driving device 111 may adopt a water-cooled motor, which is convenient for high power output and keeping a lower temperature when cutting high hardness rocks, improving the overall working stability of the cutting part 110, and reducing the damage rate. Of course, in the embodiment of the present invention, the driving device 111 may also adopt other devices, such as an air-cooled electrode, a diesel engine or a gasoline engine, etc., and is not limited herein.

The embodiment of the utility model provides a heading machine, including cutting units 110, shovel board portion 120, this part 130 and walking portion 140. The walking part 140 is disposed at the bottom of the main body 130, and the walking part 140 is connected to the main body 130, so that the main body 130 can be driven to move by the movement of the walking part 140. Be provided with revolving platform 131 on this somatic part 130, cutting unit 110 is connected with revolving platform 131 in order to set up on this somatic part 130, and cutting unit 110 extends to the direction of keeping away from revolving platform 131, and rotation through revolving platform 131 can drive cutting unit 110 and rotate to the direction of adjustment cutting unit 110's extending direction, cut with the rock of realization cutting unit 110 on to the equidirectional not. Below the cutting part 110, the bottom of the body part 130 is connected with a shovel plate part 120, and rock materials cut by the cutting part 110 can be shoveled and collected by the shovel plate part 120, so that the rock materials cut by the cutting part are subsequently conveyed out of the roadway (tunnel). Wherein the cutting part 110 comprises a driving device 111, an elastic coupling 112, a reducer 113 and a cutting head 114. The driving device 111 and the speed reducer 113 are in transmission connection through an elastic coupling 112, and the speed reducer 113 is in transmission connection with the cutting head 114. Because the elastic coupling 112 has a shock absorption effect, the driving device 111 and the speed reducer 113 are in transmission connection through the elastic coupling 112, on the basis that normal transmission between the driving device 111 and the speed reducer 113 is not influenced, impact force transmitted by high-hardness rocks through the cutting head 114 and the speed reducer 113 can be buffered, so that the influence of the impact force on a connection structure between the driving device 111 and the speed reducer 113 is reduced, the driving device 111 can be protected, stress impact received by the driving device 111 is reduced, the probability that the driving device 111 is damaged due to strong impact force is reduced, the service life of the driving device 111 is prolonged, the damage probability of the cutting part 110 is reduced, and the service life of the heading machine is prolonged. Make this entry driving machine can be applicable to tunnel sections such as water conservancy tunnel less more, and in the higher operating mode of rock hardness.

Alternatively, as shown in fig. 2, the cutting head 114 includes a rotating shaft 1141, cutting picks 1142 are formed on a circumferential wall of the rotating shaft 1141 in a spiral arrangement, and one end of the rotating shaft 1141 is connected to an output end of the speed reducer 113.

One end of the rotating shaft 1141 is connected to an output end of the speed reducer 113, and the rotating shaft 1141 can be driven to rotate in the circumferential direction by transmission of the driving device 111 to the speed reducer 113.

The cutting head 114 comprises a rotating shaft 1141, cutting teeth 1142 arranged in a spiral manner are formed on the peripheral wall of the rotating shaft 1141, and the cutting teeth 1142 arranged in a spiral manner rotate along with the rotating shaft 1141, so that the shearing stress applied to high-hardness rock by the cutting head 114 can be improved, and the cutting efficiency and effect of the cutting head 114 on the high-hardness rock are improved.

Alternatively, as shown in fig. 1 and 2, the rotary shaft 1141 is formed with a spiral guide 1143 arranged along the arrangement direction of the picks 1142.

By forming the spiral guide plate 1143 on the rotating shaft 1141, the rock material cut by the cutting teeth 1142 can move along the spiral extending direction of the spiral guide plate 1143, so that the rock material can be orderly and regularly dropped on the shovel plate part 120 below the cutting part 110, and the shovel plate part 120 can conveniently collect the rock material.

Alternatively, a cone is disposed at an end of the rotating shaft 1141 away from the reducer 113, and a bottom surface of the cone is connected to an end surface of the rotating shaft 1141.

The end of the rotating shaft 1141 far away from the reducer 113 is provided with a cone, and the bottom surface of the cone is connected with the end surface of the rotating shaft 1141, so that the pressure of the cutting head 114 on rocks in the tunneling and cutting process can be increased through the vertex (tip) of the cone, and the cutting effect and efficiency are improved.

Alternatively, as shown in fig. 1 and 2, the rotating shaft 1141 is a cone, and the bottom surface of the rotating shaft 1141 is connected to the output end of the speed reducer 113.

The rotating shaft 1141 is arranged to be a conical body, the bottom surface of the rotating shaft 1141 is connected with the output end of the speed reducer 113, one end, far away from the speed reducer 113, of the rotating shaft 1141 exerts pressure on the rock to conduct tunneling, the exerted pressure is relatively large, cutting of the rock by the cutting head 114 is facilitated, and cutting efficiency can be improved. And the cone structure has better rigidity, can strengthen the tolerance of the tunneling head to the rock impact force, and prolongs the service life of the cutting part 110.

Optionally, as shown in fig. 3 and 4, the heading machine further includes a scraper chain 150, a scraper chain cavity is formed in the body portion 130, the scraper chain 150 penetrates the body portion 130 through the scraper chain cavity, one end of the scraper chain 150 abuts against the blade portion 120, and the other end of the scraper chain extends out of the body portion 130.

By providing the scraper chain 150 in the heading machine, the rock material scooped and collected by the scooping portion 120 connected thereto can be transported out of the body portion 130 by the scraper chain 150, so that the rock material can be further transported, transferred, and the like.

Alternatively, as shown in fig. 3, one end of the scraper chain 150 extending out of the body 130 extends in a direction away from the body 130, and the extending direction includes an angle greater than 0 degree and smaller than 90 degrees with respect to the body 130.

The end of the scraper chain 150 extending out of the body 130 extends to the direction far away from the body 130, and forms a certain included angle with the extending direction and the body 130, so that in the normal use process of the heading machine, the end of the scraper chain 150 extending out of the body 130 can be far away from the ground, and has a certain height relative to the ground, so that the rock material conveyed out through the scraper chain 150 can directly fall into a mine car, a transport vehicle and the like from the end of the scraper chain 150 extending out of the body 130, and the transport efficiency of the rock material is improved.

Optionally, as shown in fig. 4, the heading machine further includes a dust removing system 160, and the dust removing system 160 is disposed at a side of the body portion 130 for removing the filtered dust.

The dust removal system 160 is arranged on the heading machine, dust generated in the process of cutting rocks by the cutting part 110 is removed and filtered through the dust removal system 160, air can be purified to a certain degree, and workers are prevented from sucking too much dust to harm body health.

Optionally, as shown in fig. 4, the heading machine further includes a hydraulic system 170 and an electrical system 180, the hydraulic system 170 and the electrical system 180 are both disposed on the side surface of the body portion 130, and the hydraulic system 170 is electrically connected to the electrical system 180.

The hydraulic system 170 and the electrical system 180 are arranged on the heading machine, and more stable hydraulic and electrical support can be provided for the hydraulic device and the electrical device on the heading machine. And excessive cables and other energy wires connected with the outside of the heading machine are avoided.

Optionally, a telescopic rod 190 is disposed at the bottom of the end of the body portion 130 away from the shovel plate portion 120, and the telescopic rod 190 is used for supporting the body portion 130 and adjusting the distance between the body portion 130 and the ground.

The telescopic rod 190 is provided at the bottom of the body 130, and the body 130 is supported by the telescopic rod 190, so that the body 130 can move in a direction away from the ground, and one end of the whole heading machine is moved away from the ground, thereby facilitating the maintenance operation of the equipment (the walking part 140 and the like) at the bottom of the heading machine by the constructor.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heading machine, comprising: the cutting part, the shovel board part, the body part and the walking part, the walking part is located the bottom of the body part with the body part is connected, be provided with the revolving platform on the body part, the cutting part with the revolving platform is connected and extends to the direction of keeping away from the revolving platform, the shovel board part with the bottom of the body part is connected, just the shovel board is located the below of cutting part, the cutting part includes drive arrangement, elastic coupling, reduction gear and cutterhead, drive arrangement pass through elastic coupling with the input transmission of reduction gear is connected, the reduction gear output with the one end of cutterhead is connected, drive arrangement with the revolving platform is connected, is used for the drive the cutterhead rotation in a circumferential direction.

2. The heading machine of claim 1, wherein the cutter head includes a rotating shaft having cutting picks arranged in a spiral pattern formed on a peripheral wall thereof, one end of the rotating shaft being connected to the output end of the speed reducer.

3. The heading machine according to claim 2, wherein the rotary shaft is formed with a spiral guide plate disposed along the direction of arrangement of the picks.

4. A heading machine according to claim 2 or 3, wherein the end of the shaft remote from the speed reducer is provided with a cone, the bottom face of which is connected to the end face of the shaft.

5. A heading machine according to claim 2 or 3, wherein the rotating shaft is a cone, and the bottom surface of the rotating shaft is connected to the output end of the speed reducer.

6. The heading machine according to claim 1, further comprising a scraper chain having a scraper chain cavity formed therein, the scraper chain extending through the body through the scraper chain cavity, one end of the scraper chain abutting the blade portion and the other end extending out of the body.

7. The heading machine of claim 6, wherein the scraper chain extends away from the body at an end thereof, and the extension direction is at an angle of more than 0 degrees and less than 90 degrees with respect to the body.

8. The heading machine of claim 1, further comprising a dust removal system disposed on a side of the body portion for removing filtered dust.

9. The heading machine of claim 1, further comprising a hydraulic system and an electrical system, both disposed on a side of the body portion, the hydraulic system being electrically connected to the electrical system.

10. The heading machine of claim 1, wherein the bottom of the body portion is provided with a telescoping rod at an end thereof remote from the blade portion for supporting the body portion and adjusting the distance of the body portion from the ground.