Rubber belt conveyor turning device with small turning radius for TBM (Tunnel Boring Machine)

Abstract

The utility model discloses a small turning radius rubber belt conveyor turning device of a TBM, and relates to the technical field of conveyors, the rubber belt conveyor turning device comprises a rack, the left side and the right side of the rack are both fixedly provided with hanging lugs; the left belt pressing unit is mounted on the left side of the top surface of the rack; the right belt pressing unit is mounted on the right side of the top surface of the rack; the first upper belt pressing unit is mounted at the position, close to the rear side face, of the middle of the top face of the rack; the second upper belt pressing unit is installed at the position, close to the front side face, of the middle of the top face of the rack; the first lower carrier roller unit is installed at the position, close to the front side face, of the bottom of the rack. And the second lower carrier roller unit is installed at the position, close to the rear side face, of the bottom of the rack, the second lower carrier roller unit is machined into the turning device of the rubber belt conveyor through the three sets of upper-end belt pressing units, the lower-end carrier roller unit and the rack, and belt turning and rapid slag discharging are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of conveyors, and particularly relates to a turning device of a belt conveyor with a small turning radius for a TBM. Background Art

[0002] The bottom gas drainage roadway of the coal mine constructed by the company is constructed by the TBM (Tunnel Boring Machine) method. There are turning roadways during the construction process. The first turning radius is designed to be 80m, and the turning angle is 90°. At present, traditional turning belts and belt pressing devices are applied in the early stage of the existing TBM roadway turning construction. The belt turning phenomenon occurs many times, and the turning length is about 50 meters. The traditional turning belt and belt pressing device have the following disadvantages: 1) complex processing, inconvenient installation, and poor running stability; 2) poor mucking transportation effect, seriously affecting its use effect. Summary of the Invention

[0003] By providing a turning device of a belt conveyor with a small turning radius for a TBM in the embodiment of the present application, the problem of multiple belt turnings of the traditional turning belt and belt pressing device is solved. The turning device of the belt conveyor is processed by three upper belt pressing units, a lower idler unit and a frame at the upper end, so as to realize the smooth turning of the belt and the rapid slag discharge.

[0004] The embodiment of the utility model provides a turning device of a belt conveyor with a small turning radius for a TBM. The turning device of the belt conveyor includes: a frame, with hanging ears fixed on both the left and right sides of the frame; a left belt pressing unit, fixedly installed on the left side of the top surface of the frame, and a first belt pressing mechanism and a plurality of idlers are installed on the left belt pressing unit; a right belt pressing unit, fixedly installed on the right side of the top surface of the frame, and a second belt pressing mechanism and a plurality of idlers are installed on the right belt pressing unit; a first upper belt pressing unit, fixedly installed at the middle part of the top surface of the frame near the rear side; a second upper belt pressing unit, fixedly installed at the middle part of the top surface of the frame near the front side; a first lower idler unit, fixedly installed at the bottom of the frame near the front side, and the first lower idler unit is directly below the second upper belt pressing unit; a second lower idler unit, fixedly installed at the bottom of the frame near the rear side, and the second lower idler unit is directly below the first upper belt pressing unit; a connecting plate, respectively fixedly installed on both sides of two adjacent frames through bolts.

[0005] Preferably, the first upper belt pressing unit includes:

[0006] a first mounting frame, which is formed by welding steel plates in combination, and a plurality of groups of mounting holes are arranged at the top end of the first mounting frame;

[0007] The first mounting shaft is fixedly mounted on the mounting hole at the top of the first mounting bracket by bolts;

[0008] The first pressing roller is mounted on the first mounting shaft through bearings.

[0009] Preferably, the second upper pressing belt unit includes:

[0010] The second mounting bracket is formed by welding a combination of steel plates, and multiple groups of mounting holes are provided at the top of the second mounting bracket;

[0011] The second mounting shaft is fixedly mounted on the mounting hole at the top of the second mounting bracket by bolts;

[0012] The second pressing roller is mounted on the second mounting shaft through bearings.

[0013] Preferably, the first lower supporting roller unit includes:

[0014] The first lower mounting bracket is provided with multiple groups of mounting holes;

[0015] The first lower mounting shaft is fixedly mounted on the mounting hole of the first lower mounting bracket by bolts;

[0016] The first lower supporting roller is mounted on the first lower mounting shaft through bearings.

[0017] Preferably, the second lower supporting roller unit includes:

[0018] The second lower mounting bracket is provided with multiple groups of mounting holes;

[0019] The second lower mounting shaft is fixedly mounted on the mounting hole of the second lower mounting bracket by bolts;

[0020] The second lower supporting roller is mounted on the second lower mounting shaft through bearings.

[0021] Preferably, the ear is provided with multiple groups of rectangular card slots, and a supporting roller is installed in the rectangular card slots.

[0022] One or more of the above technical solutions in the embodiments of the present invention have at least one or more of the following technical effects:

[0023] In a belt conveyor turning device with a small turning radius provided by an embodiment of the present utility model, the belt conveyor turning device includes: a frame, with hanging ears fixed on both the left and right sides of the frame; a left belt pressing unit, fixedly installed at the left side of the top surface of the frame, and a first belt pressing mechanism and multiple rollers are installed on the left belt pressing unit; a right belt pressing unit, fixedly installed at the right side of the top surface of the frame, and a second belt pressing mechanism and multiple rollers are installed on the right belt pressing unit; a first upper belt pressing unit, fixedly installed at the middle of the top surface of the frame near the rear side; a second upper belt pressing unit, fixedly installed at the middle of the top surface of the frame near the front side; a first lower roller unit, fixedly installed at the bottom of the frame near the front side, and the first lower roller unit is directly below the second upper belt pressing unit; a second lower roller unit, fixedly installed at the bottom of the frame near the rear side, and the second lower roller unit is directly below the first upper belt pressing unit; a connecting plate, respectively fixedly installed on both sides of two adjacent frames through bolts. The present utility model redesigns and processes the belt conveyor, and through the driving roller, the belt is smoothly installed above the turning device for turning; on the basis of increasing the strength of the belt pressing device and adjusting the angle of the belt pressing device, the upper three groups of belt pressing units, the lower roller units and the frame are processed into a belt conveyor turning device to realize belt turning and rapid slag discharge. The present utility model has the following advantages: 1) simple processing, convenient installation and stable operation; 2) compared with the traditional belt turning method and the existing turning device, the mucking and transportation effect is significantly improved; 3) time cost and labor cost are saved on the basis of ensuring safe operation and normal construction; 4) it is applicable to the installation of belts in all turning roadways, is not restricted by external conditions, and has high popularization and practicability.

[0024] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features and advantages of the present utility model more obvious and understandable, the specific embodiments of the present utility model are specifically given below. Brief Description of the Drawings

[0025] Figure 1 It is an axonometric view of the structure of an embodiment of the present utility model;

[0026] Figure 2 It is a top view of the structure of an embodiment of the present utility model;

[0027] Figure 3 It is a left view of the structure of an embodiment of the present utility model;

[0028] Figure 4 It is a schematic diagram of the structure of the first upper belt pressing unit of an embodiment of the present utility model;

[0029] Figure 5 This is a schematic structural diagram of the second upper pressure belt unit in the embodiment of the present utility model;

[0030] Figure 6 This is a schematic structural diagram of the first lower idler unit in the embodiment of the present utility model;

[0031] Figure 7 This is a schematic structural diagram of the second lower idler unit in the embodiment of the present utility model.

[0032] Explanation of reference numerals: Frame 1; Hanging ear 2; Left pressure belt unit 3; First pressure belt mechanism 31; First upper pressure belt unit 4; First mounting frame 41; First mounting shaft 42; First pressure roller 43; Right pressure belt unit 5; Second pressure belt mechanism 51; Second upper pressure belt unit 6; Second mounting frame 61; Second mounting shaft 62; Second pressure roller 63; First lower idler unit 7; First lower mounting frame 71; First lower mounting shaft 72; First idler 73; Second lower idler unit 8; Second lower mounting frame 81; Second lower mounting shaft 82; Second idler 83; Connecting plate 9. Specific embodiments

[0033] The embodiment of the present application provides a turning device for a belt conveyor with a small turning radius of a TBM, which solves the problem of multiple belt turnovers of traditional turning belts and pressure belt devices. It processes the upper three groups of pressure belt units, the lower idler unit and the frame into a turning device for a belt conveyor to realize the smooth turning of the belt and the rapid slag discharge.

[0034] The technical solution in the embodiment of the present utility model has the following overall structure: The turning device for a belt conveyor with a small turning radius of a TBM includes: a frame, with hanging ears fixed on both the left and right sides of the frame; a left pressure belt unit, which is fixedly installed on the left side of the top surface of the frame, and a first pressure belt mechanism and multiple idlers are installed on the left pressure belt unit; a right pressure belt unit, which is fixedly installed on the right side of the top surface of the frame, and a second pressure belt mechanism and multiple idlers are installed on the right pressure belt unit; a first upper pressure belt unit, which is fixedly installed near the rear side in the middle of the top surface of the frame; a second upper pressure belt unit, which is fixedly installed near the front side in the middle of the top surface of the frame; a first lower idler unit, which is fixedly installed near the front side at the bottom of the frame, and the first lower idler unit is directly below the second upper pressure belt unit; a second lower idler unit, which is fixedly installed near the rear side at the bottom of the frame, and the second lower idler unit is directly below the first upper pressure belt unit; a connecting plate, which is respectively fixedly installed on both sides of two adjacent frames by bolts.

[0035] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0036] It should be noted that the structures, ratios, sizes, etc. illustrated in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present utility model. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the objectives that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model.

[0037] At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of clear narration, rather than used to limit the scope of implementation of the present utility model. The change or adjustment of their relative relationships, without substantial change in the technical content, should also be regarded as the scope of implementation of the present utility model.

[0038] Embodiment

[0039] This embodiment provides a turning device for a belt conveyor with a small turning radius of a TBM. Please refer to Figures 1 to 7 , specifically as follows:

[0040] The belt conveyor turning device includes: a frame 1, with hanging ears 2 fixed on both the left and right sides of the frame 1; a left belt pressing unit 3, which is fixedly installed at the left side of the top surface of the frame 1, and a first belt pressing mechanism 31 and multiple rollers are installed on the left belt pressing unit 3; a right belt pressing unit 5, which is fixedly installed at the right side of the top surface of the frame 1, and a second belt pressing mechanism 51 and multiple rollers are installed on the right belt pressing unit 5; a first upper belt pressing unit 4, which is fixedly installed at the middle of the top surface of the frame 1 near the rear side; a second upper belt pressing unit 6, which is fixedly installed at the middle of the top surface of the frame 1 near the front side; a first lower roller unit 7, which is fixedly installed at the bottom of the frame 1 near the front side, and the first lower roller unit 7 is located directly below the second upper belt pressing unit 6; a second lower roller unit 8, which is fixedly installed at the bottom of the frame 1 near the rear side, and the second lower roller unit 8 is located directly below the first upper belt pressing unit 4; a connecting plate 9, which is respectively fixedly installed on both sides of two adjacent frames 1 by bolts.

[0041] Further, the first upper pressing belt unit 4 includes:

[0042] A first mounting bracket 41, which is formed by combining and welding steel plates, and a plurality of mounting holes are provided at the top of the first mounting bracket 41;

[0043] A first mounting shaft 42, which is fixedly installed in the mounting holes at the top of the first mounting bracket 41 through bolts;

[0044] Specifically, a plurality of mounting holes are provided at the top of the first mounting bracket 41 to adjust the mounting position of the first mounting shaft 42;

[0045] A first pressing roller 43, which is installed on the first mounting shaft 42 through bearings.

[0046] Further, the second upper pressing belt unit 6 includes:

[0047] A second mounting bracket 61, which is formed by combining and welding steel plates, and a plurality of mounting holes are provided at the top of the second mounting bracket 61;

[0048] A second mounting shaft 62, which is fixedly installed in the mounting holes at the top of the second mounting bracket 61 through bolts;

[0049] Specifically, a plurality of mounting holes are provided at the top of the second mounting bracket 61 to adjust the mounting position of the second mounting shaft 62;

[0050] A second pressing roller 63, which is installed on the second mounting shaft 62 through bearings.

[0051] Further, the first lower supporting roller unit 7 includes:

[0052] A first lower mounting bracket 71, on which a plurality of mounting holes are provided;

[0053] A first lower mounting shaft 72, which is fixedly installed in the mounting holes of the first lower mounting bracket 71 through bolts;

[0054] Specifically, a plurality of mounting holes are provided on the first lower mounting bracket 71 to adjust the mounting position of the first lower mounting shaft 72;

[0055] A first lower supporting roller 73, which is installed on the first lower mounting shaft 72 through bearings.

[0056] Further, the second lower supporting roller unit 8 includes:

[0057] A second lower mounting bracket 81, on which a plurality of mounting holes are provided;

[0058] The second lower mounting shaft 82 is fixedly mounted on the mounting holes of the second lower mounting bracket 81 by bolts;

[0059] Specifically, multiple groups of mounting holes are provided on the second lower mounting bracket 81 to adjust the mounting position of the second lower mounting shaft 82;

[0060] The second lower idler 83 is mounted on the second lower mounting shaft 82 through bearings.

[0061] Furthermore, multiple groups of rectangular clamping grooves are provided on the lugs 2, and idlers are installed in the rectangular clamping grooves.

[0062] Specifically, the utility model redesigns and processes the belt conveyor. Through the driving drum, the belt is installed above the turning device and turns smoothly; on the basis of increasing the strength of the belt pressing device and adjusting the angle of the belt pressing device, the belt conveyor turning device is processed by three groups of belt pressing devices and the frame, realizing the turning of the belt and rapid slag discharge.

[0063] The frame 1 uses 4 channel steels with a height of 65 cm as the legs. 2 angle steels with a length of 1.85 m are connected to the long sides of the legs, and 2 angle steels with a length of 1.035 m are connected to the wide sides of the legs to form an integral frame. Optionally, channel steels can be installed inside the two legs on the inner side of the bend as a regulating device to slightly adjust the height of the legs.

[0064] Three groups of belt pressing devices are installed above the frame 1: the left belt pressing unit 3, the right belt pressing unit 5, the first upper belt pressing unit 4, and the second upper belt pressing unit 6;

[0065] Among them, both the left belt pressing unit 3 and the right belt pressing unit 5 are mounted on the frame through bases; the bases are all processed from angle steels and channel steels and are mounted on the frame by bolts;

[0066] As Figure 3 shown, the contact surfaces of the left belt pressing unit 3 and the right belt pressing unit 5 with the conveyor belt are both welded by 5 angle steels. Among them, 4 angle steels are welded into a U-shaped support bottom surface, and the other 1 angle steel is vertically fixed at one open end of the U-shaped support bottom surface. This open end is the open end of the U-shaped support bottom surface close to the inner side of the bend. By vertically fixing the angle steel at the inner side end of the U-shaped support bottom surface at the bend, the first belt pressing mechanism 31 and the second belt pressing mechanism 51 are formed. Optionally, pressure rollers can be installed on the first belt pressing mechanism 31 and the second belt pressing mechanism 51 to prevent the conveyor belt from turning over when turning.

[0067] Multiple idlers are installed on both the left belt pressing unit 3 and the right belt pressing unit 5. Specifically, multiple idlers can be installed on the U-shaped support bottom surfaces of the left belt pressing unit 3 and the right belt pressing unit 5 according to needs. Optionally, 4 idlers can be installed in cooperation with 4 angle steels.

[0068] The first upper pressing belt unit 4 and the second upper pressing belt unit 6 are respectively bolted to the frame 1 through the first mounting bracket 41 and the second mounting bracket 61.

[0069] The top ends of the first mounting bracket 41 and the second mounting bracket 61 are bent towards the inner side of the frame, and the angle with the vertical axis is 155 degrees.

[0070] The first pressing roller 43 and the second pressing roller 63 press on the upper surface of the conveyor belt, and further fix the conveyor belt through the first pressing roller 43 and the second pressing roller 63 to prevent the conveyor belt from turning over when turning.

[0071] The first lower idler unit 7, the second lower idler unit 8, and the idler pairs installed in the rectangular card slots of the lugs 2 support the conveyor belt.

[0072] During the construction process, the connecting plate 9 is fixedly installed on both sides of two adjacent frames 1 by bolts, and multiple groups of belt conveyor turning devices are freely assembled according to the construction distance to meet the requirements of different construction scenarios.

[0073] One or more of the above technical solutions in the embodiments of the present invention have at least one or more of the following technical effects:

[0074] In a belt conveyor turning device with a small turning radius of a TBM provided in the embodiments of the present invention, the belt conveyor turning device includes: a frame 1, with lugs 2 fixed on both the left and right sides of the frame 1; a left pressing belt unit 3, fixedly installed at the left side of the top surface of the frame 1, and a first pressing belt mechanism and multiple idlers are installed on the left pressing belt unit 3; a right pressing belt unit 5, fixedly installed at the right side of the top surface of the frame 1, and a second pressing belt mechanism and multiple idlers are installed on the right pressing belt unit 5; a first upper pressing belt unit 4, fixedly installed at the middle of the top surface of the frame 1 near the rear side; a second upper pressing belt unit 6, fixedly installed at the middle of the top surface of the frame 1 near the front side; a first lower idler unit 7, fixedly installed at the bottom of the frame 1 near the front side, and the first lower idler unit 7 is directly below the second upper pressing belt unit 6; a second lower idler unit 8, fixedly installed at the bottom of the frame 1 near the rear side, and the second lower idler unit 8 is directly below the first upper pressing belt unit 4; a connecting plate 9, and the connecting plate 9 is respectively fixedly installed on both sides of two adjacent frames 1 by bolts. The present invention has the following advantages: 1) Simple processing, convenient installation, and stable operation; 2) Compared with the traditional belt turning method and the existing turning devices, the mucking transportation effect is significantly improved; 3) On the basis of ensuring safe operation and normal construction, time costs and labor costs are saved; 4) It is applicable to the installation of belts in all turning roadways, is not restricted by external conditions, and has high popularization and practicability.

[0075] Although the preferred embodiments of the present utility model have been described, those skilled in the art can make additional changes and modifications to these embodiments once they learn the basic creative concepts. Therefore, the appended claims are intended to be construed as including the preferred embodiments as well as all changes and modifications falling within the scope of the present utility model.

[0076] Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present utility model without departing from the spirit and scope of the embodiments of the present utility model. Thus, if these modifications and variations of the embodiments of the present utility model fall within the scope of the claims of the present utility model and their equivalent technologies, the present utility model is also intended to include these changes and modifications.

Claims

1. A turning device for a belt conveyor with a small turning radius of a TBM, characterized in that, The belt conveyor turning device includes: A frame with lugs fixed on both the left and right sides of the frame. A left belt pressing unit fixedly installed at the left side of the top surface of the frame, with a first belt pressing mechanism and multiple rollers installed on the left belt pressing unit. A right belt pressing unit fixedly installed at the right side of the top surface of the frame, with a second belt pressing mechanism and multiple rollers installed on the right belt pressing unit. A first upper belt pressing unit fixedly installed at the middle of the top surface of the frame near the rear side. A second upper belt pressing unit fixedly installed at the middle of the top surface of the frame near the front side. A first lower roller unit fixedly installed at the bottom of the frame near the front side, and the first lower roller unit is located directly below the second upper belt pressing unit. A second lower roller unit fixedly installed at the bottom of the frame near the rear side, and the second lower roller unit is located directly below the first upper belt pressing unit. Connecting plates respectively fixedly installed on both sides of two adjacent frames by bolts.

2. The belt conveyor turning device with a small turning radius for a TBM according to claim 1, characterized in that, The first upper belt pressing unit includes: A first mounting frame formed by welding steel plates together, with multiple groups of mounting holes provided at the top end of the first mounting frame. A first mounting shaft fixedly installed in the mounting holes at the top end of the first mounting frame by bolts. A first pressing roller installed on the first mounting shaft through bearings.

3. The belt conveyor turning device with a small turning radius for TBM according to claim 1, characterized in that, The second upper belt pressing unit includes: A second mounting frame formed by welding steel plates together, with multiple groups of mounting holes provided at the top end of the second mounting frame. A second mounting shaft fixedly installed in the mounting holes at the top end of the second mounting frame by bolts. A second pressing roller installed on the second mounting shaft through bearings.

4. The belt conveyor turning device with a small turning radius for TBM according to claim 1, characterized in that, The first lower roller unit includes: A first lower mounting frame with multiple groups of mounting holes provided thereon. A first lower mounting shaft fixedly installed in the mounting holes of the first lower mounting frame by bolts. A first lower roller installed on the first lower mounting shaft through bearings.

5. The belt conveyor turning device with a small turning radius for a TBM according to claim 1, characterized in that, The second lower roller unit includes: A second lower mounting frame with multiple groups of mounting holes provided thereon. A second lower mounting shaft fixedly installed in the mounting holes of the second lower mounting frame by bolts. A second lower roller installed on the second lower mounting shaft through bearings.

6. The belt conveyor turning device with a small turning radius for a TBM according to claim 1, characterized in that, Multiple groups of rectangular card slots are provided on the lugs, and rollers are installed in the rectangular card slots.

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