Coal mine super-long roadway TBM rock slag classification and transportation device

By designing a rock slag sorting and transportation device with a wheeled base and a screen box, the problem of low efficiency in the later screening and sorting of rock slag in ultra-long roadways of coal mines was solved. It achieved fixed-point sorting and synchronous transportation, reduced labor intensity, and supported large-volume transportation and automatic cleaning.

CN117732712BActive Publication Date: 2025-11-28UNIV OF SCI & TECH BEIJING +1
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Patent Information

Application Number
CN202311642168.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-12-04
Publication Date
2025-11-28
Estimated Expiration
2043-12-04

AI Technical Summary

Technical Problem

In the process of excavating ultra-long roadways in coal mines, the existing technology has failed to effectively improve the screening and classification of rock debris in the later stages of transportation, resulting in low transportation efficiency.

Method used

A rock slag sorting and transportation device for TBMs in ultra-long coal mine roadways was designed, including a wheeled base, a screen box, and a pneumatic output component. It realizes automatic screening and transportation of rock slag through airbags and elastic transmission components. Combined with air blowing cleaning function, it is suitable for fixed-point sorting and synchronous sorting needs in ultra-long roadways.

Benefits of technology

It enables fixed-point and synchronous classification of rock debris during transportation, reducing the labor intensity of maintenance for users, and supports large-scale synchronous transportation and automatic cleaning of residual materials.

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Abstract

The present application relates to the technical fields of rock slag classification and transportation device, and discloses a rock slag classification and transportation device for TBM of coal mine super-long roadway, which comprises a wheel base, a first sieve box, a second sieve box, a closed sieve box and a connecting rod are arranged on the top of the wheel base, the first sieve box is sleeved in the second sieve box, the second sieve box is sleeved in the closed sieve box, and the first sieve box, the second sieve box and the closed sieve box are all sleeved with the connecting rod to realize an integrated fixed structure, and a transmission shaft is connected to the front and rear ends of the closed sieve box. The rock slag classification and transportation device for TBM of coal mine super-long roadway disclosed by the present application can meet the requirements of rock slag fixed-point classification and synchronous classification in the actual processing environment, is suitable for the long-time transportation characteristics of super-long roadway, can automatically clean the residual materials by air blowing, reduces the labor intensity of the user in maintenance and repair, can realize the traction transportation of multiple devices, and can realize the use effect of large-scale synchronous transportation.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rock slag classification and transportation devices, in particular to a rock slag classification and transportation device for a coal mine super-long roadway TBM. BACKGROUND

[0002] At present, for coal mine super-long roadway excavation processing, the existing full-face hard rock tunnel boring machine is usually used for operation, and the rock slag generated during the excavation process is initially transported by the belt conveyor inside the device, and then transported by a small mine car. For example, the rock slag loading and unloading device based on mining disclosed in the announcement No. CN113085920A proposes "a rock slag loading and unloading device based on mining, comprising a balance plate; the balance plate is inserted into the inside of the dragging base. When the device transports rock slag, the loading and unloading box body will not shake left and right, and when encountering a road with ups and downs, the balance plate can automatically keep horizontal according to the ups and downs of the road, so as to ensure that the rock slag will not fall out of the inside of the loading and unloading box body during the transportation process due to the ups and downs of the mine road".

[0003] However, from the above-mentioned existing technology disclosure about rock slag transportation, the main focus is still on how to realize the basic function of transportation, which has little auxiliary effect on the actual processing situation. Because the rock slag needs to be screened and classified in the later stage of processing, and these later processing should be improved according to the actual situation of long-time transportation of coal mine super-long roadway, but the existing technology does not consider this. SUMMARY

[0004] The present application provides a rock slag classification and transportation device for a coal mine super-long roadway TBM, which solves the problems raised in the background art.

[0005] The present application provides the following technical solution: a rock slag classification and transportation device for a coal mine super-long roadway TBM, comprising a wheel base, a first sieve box, a second sieve box, a closed sieve box and a connecting rod are arranged on the top of the wheel base, the first sieve box is sleeved in the second sieve box, the second sieve box is sleeved in the closed sieve box, and the first sieve box, the second sieve box and the closed sieve box are all fixed with the connecting rod to realize an integrated fixed structure, a transmission shaft is connected to the front and rear ends of the closed sieve box, and a support frame is sleeved with a bearing on one end of the two transmission shafts, and the support frame is installed on the top of the wheel base.

[0006] The rear pneumatic output component is installed between one side of the bottom of the closed screen box and one side of the top of the wheel base, the inner side of the wheel base is sleeved with a gas conveying component, the output structure of the gas conveying component extends to the inner sleeve of the front end of the pneumatic output component, the other side of the bottom of the closed screen box and the other side of the top of the wheel base are respectively connected with an arc plate and an elastic transmission component, and the output structure of the elastic transmission component is movably connected with the arc plate.

[0007] The pneumatic output component comprises a gas bag, a first electromagnetic valve pipe, a gas pressure sensor and a first supporting plate, one end of the first electromagnetic valve pipe is sleeved with the rear end of the gas bag, the surface of one side of the gas bag is glued and fixed with the surface of one side of the first supporting plate, and the shell of the gas pressure sensor is glued and fixed on the inner wall of the gas bag.

[0008] The inside of the gas bag is sleeved with a reset spring piece, and the bottom of the first supporting plate and the top of the wheel base are fixed by screws.

[0009] The gas conveying component comprises a protective shell, a gas pump, a storage battery and a gas conveying pipe, the gas pump and the storage battery are sleeved in the inside of the protective shell, the top of the protective shell is fixedly connected with the inner wall of the top of the wheel base, and the output end and the input end of the gas pump extend to the outside of the protective shell.

[0010] The gas conveying pipe serves as the output structure of the gas conveying component, the output end of the gas pump is connected with one end of the gas conveying pipe, and the other end of the gas conveying pipe extends to the inside of the gas bag.

[0011] The elastic transmission component comprises a guide pipe, a movable rod, a buffer spring and a second supporting plate, one end of the guide pipe is fixed with one side surface of the second supporting plate, one end of the movable rod is clamped in the inside of the guide pipe, the buffer spring is connected with the inner wall of one end of the guide pipe and the end head of one end of the movable rod, and the bottom of the second supporting plate is fixed with the top of the wheel base by screws.

[0012] The inside of the top of the second supporting plate is threadedly connected with a long screw, and one end of the long screw extends to the surface of the arc plate.

[0013] The top of each of the first screen box, the second screen box and the closed screen box is clamped with an auxiliary cover plate, the rear end of each of the first screen box, the second screen box and the closed screen box is connected with a square tube, and the end of the square tube away from the wheel base is clamped with a sealing cover.

[0014] The selected gas conveying pipe is provided with a shunt pipe element in the middle part, the shunt pipe element comprises a second electromagnetic valve pipe and three branch pipes, one end of the second electromagnetic valve pipe is connected with the middle part of the gas conveying pipe in communication, the other end of the second electromagnetic valve pipe is connected with one end of the three branch pipes in communication, the other end of the three branch pipes is respectively extended to the inside of the bottom of the first sieve box, the inside of the bottom of the second sieve box and the inside of the bottom of the closed sieve box.

[0015] The surface of the rear end of the pulley base is fixedly connected with a traction sleeve plate, and the hook is sleeved in the traction sleeve plate.

[0016] The present application has the following advantages:

[0017] 1、The coal mine super-long roadway TBM rock slag classification and transportation device disclosed by the present application can meet the requirements of fixed-point classification of rock slag and synchronous classification in the transportation process in the actual processing environment, and is suitable for the long-time transportation characteristics of super-long roadways.

[0018] 2、The coal mine super-long roadway TBM rock slag classification and transportation device disclosed by the present application can automatically clean the residual materials by air blowing, thereby reducing the labor intensity of the user in maintenance and repair.

[0019] 3、The coal mine super-long roadway TBM rock slag classification and transportation device disclosed by the present application can perform traction transportation of multiple devices, and can realize the use effect of large-scale synchronous transportation. DETAILED DESCRIPTION

[0020] Figure 1 It is a front view schematic diagram of the structure of the present application;

[0021] Figure 2 It is a rear view schematic diagram of the structure of the present application;

[0022] Figure 3 It is a bottom view schematic diagram of the structure of the present application;

[0023] Figure 4 It is a top view schematic diagram of the connecting rod of the structure of the present application;

[0024] Figure 5 It is a top view schematic diagram of the first sieve box of the structure of the present application;

[0025] Figure 6 It is a top view schematic diagram of the second sieve box of the structure of the present application;

[0026] Figure 7 It is a top view schematic diagram of the third sieve box of the structure of the present application;

[0027] Figure 8 It is a partial sectional view schematic diagram of the pneumatic output component of the structure of the present application;

[0028] Figure 9 It is a schematic view of the partial section of the structure elastic transmission component of the present application;

[0029] Figure 10 It is a schematic view of the top view of the structure gas conveying component of the present application;

[0030] Figure 11 It is an enlarged schematic view of the structure traction sleeve plate of the present application.

[0031] In the figure: 1, pulley base; 2, first sieve box; 3, second sieve box; 4, closed sieve box; 5, connecting rod; 6, transmission shaft; 7, pneumatic output component; 71, air bag; 72, first electromagnetic valve pipe; 73, air pressure sensor; 74, first supporting plate; 8, elastic transmission component; 81, guide pipe; 82, movable rod; 83, buffer spring; 84, second supporting plate; 9, arc plate; 10, long screw; 11, gas conveying component; 111, protective shell; 112, air pump; 113, battery; 114, gas conveying pipe; 12, auxiliary cover plate; 13, shunt pipe; 131, second electromagnetic valve pipe; 132, branch pipe; 14, square pipe; 15, traction sleeve plate; 16, hook. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0033] Please refer to Figures 1-11 A rock slag classification and transportation device for a coal mine super-long roadway TBM, comprising a pulley base 1, a first sieve box 2, a second sieve box 3, a closed sieve box 4 and a connecting rod 5 are arranged on the top of the pulley base 1, the first sieve box 2 is sleeved in the second sieve box 3, the second sieve box 3 is sleeved in the closed sieve box 4, and the first sieve box 2, the second sieve box 3 and the closed sieve box 4 are integrally fixed with the connecting rod 5, the front and rear ends of the closed sieve box 4 are connected with transmission shafts 6, one end of each of the two transmission shafts 6 is sleeved with a supporting frame through a bearing, and the bottom of the supporting frame is installed on the top of the pulley base 1.

[0034] The rear pneumatic output component 7 is installed between one side of the bottom of the closed sieve box 4 and one side of the top of the wheel base 1, and the rear pneumatic output component 7 comprises an air bag 71, a first electromagnetic valve pipe 72, an air pressure sensor 73 and a first supporting plate 74, one end of the first electromagnetic valve pipe 72 is sleeved with the rear end of the air bag 71, the surface of one side of the air bag 71 is glued and fixed with the surface of one side of the first supporting plate 74, the shell of the air pressure sensor 73 is glued and fixed on the inner wall of the air bag 71, the inside of the air bag 71 is sleeved with a reset spring sheet, and the bottom of the first supporting plate 74 is installed and fixed with the top of the wheel base 1 by screws.

[0035] The inside of the wheel base 1 is sleeved with a gas conveying component 11, the output structure of the gas conveying component 11 extends to the inside of the front end of the rear pneumatic output component 7, and the gas conveying component 11 comprises a protective shell 111, an air pump 112, a storage battery 113 and a gas conveying pipe 114, the air pump 112 and the storage battery 113 are sleeved in the inside of the protective shell 111, the top of the protective shell 111 is fixedly connected with the inner wall of the top of the wheel base 1, the output end and the input end of the air pump 112 extend to the outside of the protective shell 111, the gas conveying pipe 114 is the output structure of the gas conveying component 11, the output end of the air pump 112 is connected with one end of the gas conveying pipe 114, and the other end of the gas conveying pipe 114 extends to the inside of the air bag 71.

[0036] The other side of the bottom of the closed sieve box 4 and the other side of the top of the wheel base 1 are respectively connected with an arc-shaped plate 9 and an elastic transmission component 8, and the output structure of the elastic transmission component 8 is movably connected with the arc-shaped plate 9.

[0037] The elastic transmission component 8 comprises a guide pipe 81, a movable rod 82, a buffer spring 83 and a second supporting plate 84, one end of the guide pipe 81 is fixed with one side surface of the second supporting plate 84, one end of the movable rod 82 is clamped in the inside of the guide pipe 81, the two ends of the buffer spring 83 are respectively connected with the end head of one end of the movable rod 82 and the inner wall of one end of the guide pipe 81, the bottom of the second supporting plate 84 is fixed with the top of the wheel base 1 by screws, the inside of the top of the second supporting plate 84 is threadedly connected with a long screw 10, and one end of the long screw 10 extends to the surface of the arc-shaped plate 9 and is connected therewith.

[0038] The top of the first screen box 2, the second screen box 3 and the closed screen box 4 is clamped with an auxiliary cover plate 12, and the rear end of the first screen box 2, the second screen box 3 and the closed screen box 4 is connected with a square tube 14, and the end of the square tube 14 away from the pulley base 1 is clamped with a sealing cover, and the middle of the gas conveying pipe 114 is provided with a shunt pipe 13, the shunt pipe 13 includes a second electromagnetic valve pipe 131 and three branch pipes 132, one end of the second electromagnetic valve pipe 131 is connected with the middle of the gas conveying pipe 114 in communication, the other end of the second electromagnetic valve pipe 131 is connected with one end of the three branch pipes 132 in communication, and the other end of the three branch pipes 132 extends to the inside of the bottom of the first screen box 2, the inside of the bottom of the second screen box 3 and the inside of the bottom of the closed screen box 4 respectively.

[0039] The surface of the rear end of the pulley base 1 is fixedly connected with a traction sleeve plate 15, and the hook 16 is sleeved in the traction sleeve plate 15.

[0040] Working principle: when in use, different implementation modes are adopted according to different situations, as follows:

[0041] Example one

[0042] The rock slag is placed in the first screen box 2, and then the air pump 112 in the gas conveying part 11 is started, and the air pump 112 is connected with the gas conveying pipe 114 in communication, so that the air in the air pump 112 is conveyed to the inside of the air bag 71 through the gas conveying pipe 114, the air bag 71 is inflated to press the closed screen box 4, the closed screen box 4 is offset to the opposite direction of the elastic transmission part 8 and presses the movable rod 82 and the buffer spring 83, when the air pressure in the air bag 71 reaches the maximum value of the air pressure sensor 73, the electromagnetic valve in the first electromagnetic valve pipe 72 in the pneumatic output part 7 is opened, the air in the air bag 71 is discharged through the first branch plate 74, and the air bag 71 is positioned, at the same time, the movable rod 82 presses the closed screen box 4 and the closed screen box 4 is deflected by the gravity under the reset elastic force of the buffer spring 83, so that the rock slag in the first screen box 2 and the second screen box 3 is automatically screened and discharged;

[0043] After the classification is completed, the vertical balance of the closed screen box 4, the second screen box 3 and the first screen box 2 is maintained, the air pump 112 in the gas conveying part 11 is started, and the air pump 112 is connected with the gas conveying pipe 114 in communication, so that the air in the air pump 112 is conveyed to the inside of the air bag 71 through the gas conveying pipe 114, the air bag 71 is inflated to press the closed screen box 4, until the movable rod 82 is contracted to the maximum value in the guide pipe 81, and then the air pump 112 is closed, at this time, the whole device is moved for transportation.

[0044] Example two

[0045] The classification is carried out during the transportation, the rock slag is placed in the first screen box 2, the whole device is moved for transportation, then the closed screen box 4 is deflected and reciprocatingly pressed by the elastic transmission part 8 under the gravity during the vibration of the transportation, the movable rod 82 in the elastic transmission part 8 presses the closed screen box 4 under the reset elastic force of the buffer spring 83, so that the closed screen box 4 swings, thereby reciprocating, the rock slag in the first screen box 2 and the second screen box 3 is automatically screened and discharged, and then the transportation and classification are completed.

[0046] Embodiment three

[0047] The plurality of devices are towed for transportation, the tow sleeve plate 15 and the hook 16 are respectively installed on both sides of the belt wheel base 1, then the tow sleeve plate 15 and the hook 16 between the adjacent belt wheel bases 1 are sleeved, and then the existing towing vehicle is used for unified movement and transportation.

[0048] Embodiment four

[0049] The self-cleaning of the residual material in the device, the three auxiliary cover plates 12 are covered on the top of the corresponding first screen box 2, second screen box 3 and closed screen box 4, the three square tubes 14 are opened, the air pump 112 in the gas conveying part 11 is started, the air is conveyed to the inside of the second electromagnetic valve pipe 131 through the gas conveying pipe 114 during the starting of the air pump 112, then is shunted to the three branch pipes 132, and finally enters the first screen box 2, the second screen box 3 and the closed screen box 4 respectively, and the air blowing cleaning is carried out, and the residual material is collected through the three square tubes 14.

[0050] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the use of the term "about" in the present document is intended to allow for a range of values, plus or minus, in addition to the exact value. Also, the use of the term "at least one" in the present document is intended to mean one or more, in addition to the exact number.

[0051] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A rock slag classified transportation device for a coal mine super-long roadway TBM, comprising a wheel base (1), characterized in that: The top of the pulley base (1) is provided with a first screen box (2), a second screen box (3), a closed screen box (4), and a connecting rod (5), and the first screen box (2) is sleeved in the second screen box (3), the second screen box (3) is sleeved in the closed screen box (4), and the first screen box (2), the second screen box (3), and the closed screen box (4) are all fixedly connected with the connecting rod (5) to realize an integrated fixed structure. The front end and the rear end of the closed screen box (4) are both connected with a transmission shaft (6), one end of the two transmission shafts (6) is sleeved with a support frame through a bearing, and the bottom of the support frame is installed on the top of the pulley base (1).

2. The rock slag classified transportation device for a TBM of an ultra-long roadway of a coal mine according to claim 1, characterized in that: A pneumatic output component (7) is installed between one side of the bottom of the closed screen box (4) and one side of the top of the pulley base (1), the pneumatic output component (7) comprises an air bag (71), a first electromagnetic valve pipe (72), an air pressure sensor (73), and a first supporting plate (74), one end of the first electromagnetic valve pipe (72) is sleeved in the rear end of the air bag (71), the surface of one side of the air bag (71) is fixedly glued to the surface of one side of the first supporting plate (74), the shell of the air pressure sensor (73) is fixedly glued to the inner wall of the air bag (71), the inner side of the pulley base (1) is sleeved with a gas conveying component (11), the output structure of the gas conveying component (11) extends to the inside of the front end of the pneumatic output component (7), the other side of the bottom of the closed screen box (4) and the other side of the top of the pulley base (1) are respectively connected with an arc-shaped plate (9) and an elastic transmission component (8), the output structure of the elastic transmission component (8) is movably connected with the arc-shaped plate (9), the elastic transmission component (8) comprises a guide pipe (81), a movable rod (82), a buffer spring (83), and a second supporting plate (84), one end of the guide pipe (81) is fixed to the surface of one side of the second supporting plate (84), one end of the movable rod (82) is clamped in the guide pipe (81), the two ends of the buffer spring (83) are respectively connected to the end of the movable rod (82) and the inner wall of one end of the guide pipe (81), and the bottom of the second supporting plate (84) and the top of the pulley base (1) are fixed by screws.

3. The rock slag classified transportation device for a TBM of an ultra-long roadway of a coal mine according to claim 1, characterized in that: The inside of the air bag (71) is sleeved with a reset spring sheet, and the bottom of the first supporting plate (74) and the top of the pulley base (1) are fixed by screws.

4. The rock slag classified transportation device for a coal mine super-long roadway TBM of claim 3, characterized in that: The gas conveying component (11) comprises a protective shell (111), an air pump (112), a storage battery (113), and a gas conveying pipe (114), the air pump (112) and the storage battery (113) are sleeved in the inside of the protective shell (111), the top of the protective shell (111) is fixedly connected with the inner wall of the top of the pulley base (1), and the output end and the input end of the air pump (112) both extend to the outside of the protective shell (111). The gas conveying pipe (114) is the output structure of the gas conveying component (11), the output end of the air pump (112) is connected with one end of the gas conveying pipe (114), and the other end of the gas conveying pipe (114) extends to the inside of the air bag (71).

5. The rock slag classified transportation device for a TBM of an ultra-long roadway of a coal mine according to claim 1, characterized in that: The inner side of the top of the second branch plate (84) is threadedly connected with a long screw (10), one end of the long screw (10) extends to the surface of the arc-shaped plate (9) and is connected in close contact.

6. The rock slag classifying and transporting device for a TBM of an ultra-long roadway of a coal mine according to claim 1, characterized in that: The top of the first screen box (2), the second screen box (3) and the closed screen box (4) is clamped with an auxiliary cover plate (12), and the rear end of the first screen box (2), the second screen box (3) and the closed screen box (4) is connected with a square tube (14), and the end of the square tube (14) away from the pulley base (1) is clamped with a sealing cover.

7. The rock slag classifying and transporting device for a TBM of an ultra-long roadway of a coal mine according to claim 3, characterized in that: The middle part of the gas conveying pipe (114) is provided with a shunt pipe (13), the shunt pipe (13) comprises a second electromagnetic valve pipe (131) and three branch pipes (132), one end of the second electromagnetic valve pipe (131) is connected with the middle part of the gas conveying pipe (114) in communication, the other end of the second electromagnetic valve pipe (131) is connected with one end of the three branch pipes (132) in communication, the other end of the three branch pipes (132) respectively extends to the inner side of the bottom of the first screen box (2), the inner side of the bottom of the second screen box (3) and the inner side of the bottom of the closed screen box (4).

8. The rock slag classifying and transporting device for a TBM of an ultra-long roadway of a coal mine according to claim 1, characterized in that: The surface of the rear end of the pulley base (1) is fixedly connected with a traction sleeve plate (15), and the traction sleeve plate (15) is sleeved with a hook (16).

Citation Information

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