Conveying device and heading machine
By introducing an angle adjustment drive mechanism and a pressure chain structure into the secondary material conveying device of the cantilever tunneling machine, the problem that the inclination angle of the straight chute cannot be changed is solved, and the ability to unload efficiently and adapt to various transport vehicles is achieved.
Patent Information
- Application Number
- CN202310275030.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-20
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2043-03-20
AI Technical Summary
The existing material conveying device for cantilever tunneling machines has a straight chute, which cannot change the inclination angle, resulting in ineffective unloading.
A conveying device is designed, including a material trough and an angle adjustment drive mechanism. The second body is driven by the angle adjustment drive mechanism to swing around the hinge point through a hinged first body and a second body to adjust the tilt angle. The stability and synchronous movement of the conveying chain are ensured by a pressure chain structure and a support chain wheel structure.
It enables efficient unloading of conveying devices in various scenarios, is applicable to various transport vehicles, and improves unloading efficiency.
Smart Images
Figure CN116291530B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of tunneling machines, in particular to a conveying device and a tunneling machine. BACKGROUND
[0002] The cantilever type tunneling machine is one of modern comprehensive tunneling machine equipment. The cantilever type tunneling machine is provided with a first material conveying device and a second material conveying device for conveying materials. The first material conveying device is arranged at the tail of the cantilever type tunneling machine, and the second material conveying device is arranged at the tail of the cantilever type tunneling machine. The chute of the existing second material conveying device is a straight chute. In actual work, the straight chute cannot change its inclination angle, and cannot solve the problem that the inclination angle is not enough to effectively unload materials in actual work. SUMMARY
[0003] Therefore, the present application provides a conveying device which can improve the unloading efficiency and be suitable for various transport vehicles.
[0004] A conveying device comprises a material chute body and an angle adjusting driving mechanism. The material chute body comprises a first trunk section and a second trunk section. The end of the first trunk section is hinged to the end of the second trunk section. The angle adjusting driving mechanism is connected to the second trunk section. The angle adjusting driving mechanism is used to drive the second trunk section to swing around the hinge to adjust the inclination angle of the second trunk section.
[0005] In the embodiment of the present application, the conveying device further comprises a first conveying chain, a second conveying chain, a plurality of scrapers and a chain pressing structure. The first conveying chain and the second conveying chain are arranged in the material chute body in opposition. The plurality of scrapers are connected between the first conveying chain and the second conveying chain. The chain pressing structure is installed at the connection between the first trunk section and the second trunk section. The chain pressing structure is pressed on the first conveying chain and the second conveying chain.
[0006] In the embodiment of the present application, the chain pressing structure comprises a first chain pressing wheel, a second chain pressing wheel, a third chain pressing wheel and a fourth chain pressing wheel. The first chain pressing wheel and the second chain pressing wheel are arranged in opposition in the up-down direction. The first conveying chain passes between the first chain pressing wheel and the second chain pressing wheel. The third chain pressing wheel and the fourth chain pressing wheel are arranged in opposition in the up-down direction. The second conveying chain passes between the third chain pressing wheel and the fourth chain pressing wheel.
[0007] In the embodiment of the present application, the first chain pressing wheel, the second chain pressing wheel, the third chain pressing wheel and the fourth chain pressing wheel are all provided with limiting grooves. The local part of the first conveying chain is located in the limiting grooves of the first chain pressing wheel and the second chain pressing wheel. The local part of the second conveying chain is located in the limiting grooves of the third chain pressing wheel and the fourth chain pressing wheel.
[0008] In the embodiment of the present application, the first body section comprises a first side plate and a second side plate arranged oppositely, the second body section comprises a third side plate and a fourth side plate arranged oppositely, the first side plate is hinged to the third side plate by the second sprocket, the second side plate is hinged to the fourth side plate by the fourth sprocket, the first sprocket is rotatably connected to the third side plate, and the third sprocket is rotatably connected to the fourth side plate.
[0009] In the embodiment of the present application, the first body section further comprises a first material plate connected between the first side plate and the second side plate, the second body section further comprises a second material plate connected between the third side plate and the fourth side plate, and the first conveying chain and the second conveying chain are wound around the first material plate and the second material plate.
[0010] In the embodiment of the present application, the second material plate comprises an inclined portion and a horizontal portion connected to each other, and the included angle between the inclined portion and the horizontal portion is greater than 90°.
[0011] In the embodiment of the present application, the conveying device further comprises a first sprocket and a second sprocket, the first sprocket is rotatably connected to the third side plate, the second sprocket is rotatably connected to the fourth side plate, the first sprocket and the second sprocket are located at the connection between the inclined portion and the horizontal portion, the first sprocket is arranged on the inner side of the first conveying chain, and the second sprocket is arranged on the inner side of the second conveying chain.
[0012] In the embodiment of the present application, the angle adjusting driving mechanism further comprises a drum driving assembly and a steel cable, one end of the steel cable is wound around the drum driving assembly, the other end of the steel cable is connected to the second body section, and the drum driving assembly winds the steel cable to drive the second body section to swing around the hinge.
[0013] The present application also relates to a tunneling machine comprising the conveying device.
[0014] The material tank of the conveying device is composed of the first body section and the second body section hinged to each other, and the angle adjusting driving mechanism can drive the second body section to swing around the hinge to adjust the inclination angle, so that the conveying device can work in various scenes, which can greatly improve the unloading efficiency and be suitable for various transport vehicles. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a side view structural schematic diagram of the tunneling machine of the present application.
[0016] Figure 2 is a partial side view structural schematic diagram of the tunneling machine of the present application.
[0017] Figure 3 is a top view structural schematic diagram of the conveying trough body of the present application.
[0018] Figure 4 is a side view structural schematic diagram of the first chain pressing wheel of the present application.
[0019] Figure 5 is a side view structural schematic diagram of the first chain supporting wheel of the present application. DETAILED DESCRIPTION
[0020] The implementation of the present application is described below by specific embodiments, and other advantages and effects of the present application can be easily understood by those skilled in the art from the content disclosed in the specification.
[0021] In the following description, reference is made to the accompanying drawings, which show several embodiments of the present application. It is understood that other embodiments can be used and that mechanical, structural, electrical, and operational changes can be made without departing from the spirit and scope of the present application. The following detailed description is not to be interpreted as limiting, the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the present application.
[0022] Although in some examples the terms first, second, etc. are used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.
[0023] Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises", "comprising", "includes" and / or "including", when used herein, specify the presence of stated features, steps, operations, elements, components, items, and / or groups but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, items, and / or groups thereof. As used herein, the terms "or" and "and / or" are to be interpreted as inclusive, i.e., as meaning one or any combination of items. Thus, "A, B or C" or "A, B and / or C" means any of the following: A; B; C; A and B; A and C; B and C; A, B and C. An exception to this definition will occur only when a combination of elements, functions, steps or acts are in some way inherently mutually exclusive.
[0024] Figure 1 is a side view structural schematic diagram of the heading machine of the present application, Figure 2 is a partial side view structural schematic diagram of the heading machine of the present application, Figure 3 is a top view structural schematic diagram of the conveying trough body of the present application, as Figure 1 , Figure 2 and Figure 3As shown, the roadheader comprises a conveying device 10, the conveying device 10 comprising a material trough 11 and an angle adjustment driving mechanism 12, the material trough 11 comprising a first body section 111 and a second body section 112, the end of the first body section 111 being hinged to the end of the second body section 112, the angle adjustment driving mechanism 12 being connected to the second body section 112, the angle adjustment driving mechanism 12 being used to drive the second body section 112 to swing around the hinge to adjust the inclination angle of the second body section 112. In the embodiment, the end of the material trough 11 is connected to the body of the roadheader, and the angle adjustment driving mechanism 12 is installed on the roadheader; the roadheader further comprises a track driving device, a drilling head and a transport mechanism, the track driving device being installed at the bottom of the body, the drilling head being installed at the head of the body, and the transport mechanism being installed at the middle of the body, and the conveying device being installed at the tail of the body; for other structures of the roadheader, please refer to the prior art, which will not be described here.
[0025] The material trough 11 of the conveying device 10 of the present application is composed of the first body section 111 and the second body section 112 which are hinged to each other, and the angle adjustment driving mechanism 12 can drive the second body section 112 to swing around the hinge to adjust the inclination angle thereof, so that the conveying device 10 of the present application can work in various scenarios, which can greatly improve the unloading efficiency and can be suitable for various transport vehicles.
[0026] Optionally, the conveying device 10 further comprises a first conveying chain 13, a second conveying chain 14, a plurality of scrapers 15 and a chain pressing structure 16, the first conveying chain 13 and the second conveying chain 14 being oppositely arranged in the material trough 11, the plurality of scrapers 15 being connected between the first conveying chain 13 and the second conveying chain 14, and the chain pressing structure 16 being installed at the connection between the first body section 111 and the second body section 112, the chain pressing structure 16 pressing on the first conveying chain 13 and the second conveying chain 14. In the embodiment, the first conveying chain 13 and the second conveying chain 14 are both annular, and driving the first conveying chain 13 and the second conveying chain 14 to move can realize the cyclic unloading.
[0027] Optionally, as Figure 2 and Figure 3As shown, the pressure chain structure 16 includes a first pressure chain wheel 161, a second pressure chain wheel 162, a third pressure chain wheel 163 and a fourth pressure chain wheel (not shown in the figure), the first pressure chain wheel 161 and the second pressure chain wheel 162 are arranged oppositely, the first conveying chain 13 passes between the first pressure chain wheel 161 and the second pressure chain wheel 162, the third pressure chain wheel 163 and the fourth pressure chain wheel are arranged oppositely, and the second conveying chain 14 passes between the third pressure chain wheel 163 and the fourth pressure chain wheel. In the embodiment, the first pressure chain wheel 161 and the second pressure chain wheel 162 can change the direction of the first conveying chain 13, so that the first conveying chain 13 changes the inclination angle synchronously with the second body section 112; the third pressure chain wheel 163 and the fourth pressure chain wheel can change the direction of the second conveying chain 14, so that the second conveying chain 14 changes the inclination angle synchronously with the second body section 112.
[0028] Optionally, Figure 4 is a side view structure schematic diagram of the first pressure chain wheel of the present application, as Figure 3 and Figure 4 As shown, the first pressure chain wheel 161, the second pressure chain wheel 162, the third pressure chain wheel 163 and the fourth pressure chain wheel are all provided with a limiting groove 101, part of the first conveying chain 13 is located in the limiting groove 101 of the first pressure chain wheel 161 and the second pressure chain wheel 162, and part of the second conveying chain 14 is located in the limiting groove 101 of the third pressure chain wheel 163 and the fourth pressure chain wheel. In the embodiment, the limiting groove 101 can constrain the first conveying chain 13 and the second conveying chain 14, so as to avoid the deviation and tooth skipping of the first conveying chain 13 and the second conveying chain 14.
[0029] Optionally, the first body section 111 includes a first side plate 1111 and a second side plate 1112 arranged in parallel and oppositely, the second body section 112 includes a third side plate 1121 and a fourth side plate 1122 arranged in parallel and oppositely, the first side plate 1111 and the third side plate 1121 are hinged through the second pressure chain wheel 162, the second side plate 1112 and the fourth side plate 1122 are hinged through the fourth pressure chain wheel, the first pressure chain wheel 161 is rotatably connected to the third side plate 1121, and the third pressure chain wheel 163 is rotatably connected to the fourth side plate 1122. In the embodiment, the end of the second pressure chain wheel 162 is provided with a first rotating shaft, the first side plate 1111 and the third side plate 1121 are hinged through the first rotating shaft; the end of the fourth pressure chain wheel is provided with a second rotating shaft, and the second side plate 1112 and the fourth side plate 1122 are hinged through the second rotating shaft.
[0030] Optionally, the first body section 111 further comprises a first material plate 1113 connected between the first side plate 1111 and the second side plate 1112, and the second body section 112 further comprises a second material plate 1123 connected between the third side plate 1121 and the fourth side plate 1122, the first conveying chain 13 and the second conveying chain 14 are wound on the first material plate 1113 and the second material plate 1123, and a part of the first conveying chain 13 and the second conveying chain 14 is located on the upper surface of the first material plate 1113 and the second material plate 1123, and another part of the first conveying chain 13 and the second conveying chain 14 is located on the lower surface of the first material plate 1113 and the second material plate 1123. In this embodiment, the end of the first material plate 1113 is arranged adjacent to the end of the second material plate 1123, so as to avoid material leakage from the gap between the first material plate 1113 and the second material plate 1123.
[0031] Optionally, the second material plate 1123 comprises an inclined portion 1123a and a horizontal portion 1123b connected with each other, and the included angle between the inclined portion 1123a and the horizontal portion 1123b is greater than 90°, for example, the included angle between the inclined portion 1123a and the horizontal portion 1123b is 110°, 120°, 135° or 150°.
[0032] Optionally, Figure 5 is a side view structural schematic diagram of the first supporting sprocket of the present application, as Figure 3 and Figure 5 shown, the conveying device 10 further comprises a first supporting sprocket 17 and a second supporting sprocket, the first supporting sprocket 17 is rotatably connected to the third side plate 1121, and the second supporting sprocket is rotatably connected to the fourth side plate 1122, and the first supporting sprocket 17 and the second supporting sprocket are both located at the connection between the inclined portion 1123a and the horizontal portion 1123b; the first supporting sprocket 17 is arranged on the inner side of the first conveying chain 13, that is, the first conveying chain 13 located on the upper surface of the second material plate 1123 is arranged on the upper side of the first supporting sprocket 17, and the first conveying chain 13 located on the lower surface of the second material plate 1123 is arranged on the lower side of the first supporting sprocket 17; the second supporting sprocket is arranged on the inner side of the second conveying chain 14, that is, the second conveying chain 14 located on the upper surface of the second material plate 1123 is arranged on the upper side of the second supporting sprocket, and the second conveying chain 14 located on the lower surface of the second material plate 1123 is arranged on the lower side of the second supporting sprocket.
[0033] Optionally, as Figure 3 and Figure 5As shown, the first supporting sprocket 17 and the second supporting sprocket are both provided with a limiting groove 101, and a part of the first conveying chain 13 is located in the limiting groove 101 of the first supporting sprocket 17, and a part of the second conveying chain 14 is located in the limiting groove 101 of the second supporting sprocket. In the embodiment, the limiting groove 101 can constrain the first conveying chain 13 and the second conveying chain 14, so as to avoid the first conveying chain 13 and the second conveying chain 14 from being out of alignment and from jumping teeth.
[0034] Optionally, the angle adjusting driving mechanism 12 further comprises a winding drum driving assembly 121 and a steel cable 122, one end of the steel cable 122 is wound on the winding drum driving assembly 121, and the other end of the steel cable 122 is connected to the second body section 112, and the winding drum driving assembly 121 winds the steel cable 122 to drive the second body section 112 to swing around the hinge.
[0035] In other embodiments, the angle adjusting driving mechanism 12 comprises a telescopic oil cylinder or a telescopic air cylinder, and a driving end of the telescopic oil cylinder or the telescopic air cylinder is connected to the material tank body 11.
[0036] The above embodiments are only illustrative of the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the present application should be covered by the claims of the present application.
Claims
1. A delivery device characterized by, The conveying device comprises a material tank body and an angle adjusting driving mechanism, the material tank body comprises a first trunk section and a second trunk section, the end of the first trunk section is hinged to the end of the second trunk section, the angle adjusting driving mechanism is connected to the second trunk section, the angle adjusting driving mechanism is used to drive the second trunk section to swing around the hinge to adjust the inclination angle of the second trunk section, the first trunk section is connected to the tail of a tunneling machine in a horizontal direction, the angle adjusting driving mechanism is used to be installed on the tunneling machine and to adjust the inclination angle of the second trunk section relative to the horizontal direction; the conveying device further comprises a first conveying chain, a second conveying chain, a plurality of scrapers and a chain pressing structure, the first conveying chain and the second conveying chain are oppositely arranged in the material tank body, the plurality of scrapers are connected between the first conveying chain and the second conveying chain, the chain pressing structure is installed at the connection between the first trunk section and the second trunk section, the chain pressing structure presses on the first conveying chain and the second conveying chain, the chain pressing structure comprises a first chain pressing wheel, a second chain pressing wheel, a third chain pressing wheel and a fourth chain pressing wheel, the first chain pressing wheel and the second chain pressing wheel are oppositely arranged in a vertical direction, the first conveying chain passes between the first chain pressing wheel and the second chain pressing wheel, the third chain pressing wheel and the fourth chain pressing wheel are oppositely arranged in a vertical direction, the second conveying chain passes between the third chain pressing wheel and the fourth chain pressing wheel.
2. The delivery device of claim 1, wherein, The conveying device further comprises a plurality of scrapers, the plurality of scrapers are connected between the first conveying chain and the second conveying chain.
3. The delivery device of claim 2, wherein, The first chain pressing wheel, the second chain pressing wheel, the third chain pressing wheel and the fourth chain pressing wheel are each provided with a limiting groove, a part of the first conveying chain is located in the limiting groove of the first chain pressing wheel and the second chain pressing wheel, and a part of the second conveying chain is located in the limiting groove of the third chain pressing wheel and the fourth chain pressing wheel.
4. The delivery device of claim 2, wherein, The first trunk section comprises oppositely arranged first and second side plates, the second trunk section comprises oppositely arranged third and fourth side plates, the first side plate is hinged to the third side plate through the second chain pressing wheel, the second side plate is hinged to the fourth side plate through the fourth chain pressing wheel, the first chain pressing wheel is rotatably connected to the third side plate, and the third chain pressing wheel is rotatably connected to the fourth side plate.
5. The delivery device of claim 4, wherein, The first trunk section further comprises a first material plate connected between the first and second side plates, the second trunk section further comprises a second material plate connected between the third and fourth side plates, and the first and second conveying chains are wound around the first and second material plates.
6. The delivery device of claim 5, wherein, The second material plate comprises an inclined part and a horizontal part connected to each other, and the included angle between the inclined part and the horizontal part is greater than 90°.
7. The delivery device of claim 6, wherein, The conveying device further comprises a first chain supporting wheel and a second chain supporting wheel, the first chain supporting wheel is rotatably connected to the third side plate, the second chain supporting wheel is rotatably connected to the fourth side plate, the first chain supporting wheel and the second chain supporting wheel are both located at the connection between the inclined part and the horizontal part, the first chain supporting wheel is arranged at the inner side of the first conveying chain, and the second chain supporting wheel is arranged at the inner side of the second conveying chain.
8. The delivery device of any one of claims 1 to 7, wherein, The angle adjusting driving mechanism further comprises a winding drum driving assembly and a steel cable, one end of the steel cable is wound on the winding drum driving assembly, the other end of the steel cable is connected to the second body segment, and the winding drum driving assembly winds the steel cable to drive the second body segment to swing around the hinge.
9. A heading machine, characterized by The conveying device comprises the conveying device according to any one of claims 1 to 8.
Citation Information
Patent Citations
Scraper type cantilever conveyer
CN101737046A
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CN1803434A
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CN209838475U