Protective device of belt conveyor

Abstract

The utility model discloses a protective device of a belt conveyor, which comprises a fixing frame, two transport rollers, a transmission device and a conveying belt, the fixing frame is movably connected to the front side and the rear side of the transport rollers, the conveying belt is movably connected to the surfaces of the transport rollers, the transmission device is fixedly connected to the front side of the fixing frame, and the transmission device is fixedly connected to the rear side of the fixing frame. The transmission device is in transmission connection with the conveying rollers, a base is arranged at the bottom of the conveying belt, the bottom of the fixing frame is fixedly connected with the top of the base, and fixing shafts are arranged on the two sides of the top of the base. According to the tensioning device, the adjusting tensioning cylinder is arranged, so that the adjusting tensioning cylinder is matched with the supporting tensioning cylinder to tension the conveying belt, and the problem that the conveying belt is loosened when a coal mine is transported for a long time due to the fact that a tensioning structure is not arranged on the conveying belt in the using process is solved; the problems that self-abrasion of the conveying belt is accelerated in the follow-up conveying process, and certain potential safety hazards exist in the conveying process are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of belt conveyors, in particular to a protective device for belt conveyors. Background Art

[0002] Belt conveyor is also called belt conveyor for short. It has reliable operation, low power consumption, strong adaptability and flexibility in routes. It has been widely used in metallurgy, mining, ports and other industries. In production operations, the transportation of materials cannot be achieved by one belt conveyor. It often needs to be transferred to another or even multiple belt conveyors before it can reach the destination.

[0003] For example, application number CN201921140075.4 The utility model is applicable to the technical field of belt conveyors and provides a feeding device based on belt conveyors, including a transport component and a support component, wherein the transport component includes a support foot, and a power motor is installed on the outer side of the upper end of the support foot, and the output shaft of the power motor is fixedly connected to an unloading roller; by arranging a support component on one side of the unloading roller, it is used to auxiliary support the normally operating unloading roller to reduce the load-bearing capacity, and also to support the unloading roller with a broken shaft, to ensure that the unloading roller is located in the original position and does not move, to avoid its falling and causing the conveyor belt to tear, the rotating wheel in the support component rotates in the rotating groove of the unloading roller, on the one hand, it dumps its rotational force, and on the other hand, it supports the unloading roller and transfers the gravity to the slip ring and the sliding rod through the cross bar, and finally transmits it to the support foot through the sliding rod, so as to support the unloading roller with a broken shaft and avoid the unloading roller from falling.

[0004] Based on the search of the above patents and in combination with the equipment in the prior art, it is found that the above equipment can solve the problem of the current coal mine and other mine belt conveyors that are at least several hundred meters long and at most several thousand meters long. The unloading roller at the front end of each belt conveyor has the largest load. In the field of belt conveyor transportation, it is often seen that the unloading roller shaft neck breaks and falls out of position, causing the belt to tear. However, during use, the conveyor belt is not provided with a tensioning structure, which makes the conveyor belt loose when transporting coal for a long time. This not only causes the conveyor belt to accelerate its own wear during subsequent transportation, but also causes certain safety hazards during transportation. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a protective device for a belt conveyor, which has the advantage of tension protection and solves the problem that the tensioning structure is not set for the conveyor belt during use, which makes the conveyor belt loose when transporting coal mines for a long time, which not only causes the conveyor belt to accelerate its own wear during subsequent transportation, but also leads to certain safety hazards during transportation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective device for a belt conveyor, comprising a fixed frame, a transport roller, a transmission device and a conveyor belt, wherein the fixed frame is movably connected to the front and rear sides of the transport roller, two transport rollers are provided, the conveyor belt is movably connected to the surface of the transport roller, the transmission device is fixedly connected to the front side of the fixed frame, the transmission device is transmission-connected to the transport roller, a base is provided at the bottom of the conveyor belt, the bottom of the fixed frame is fixedly connected to the top of the base, fixed shafts are provided on both sides of the top of the base, a support tensioning cylinder is movably connected to the surface of the fixed shaft, and the support tensioning cylinder The surface of the conveyor belt is movably connected to the conveyor belt, the front end and the rear end of the fixed shaft are fixedly connected to a connecting plate, the bottom of the connecting plate is fixedly connected to the top of the base, an adjusting shaft is arranged inside the conveyor belt, the surface of the adjusting shaft is movably connected with an adjusting tensioning cylinder, the adjusting tensioning cylinder is movably connected to the conveyor belt, the outer end of the adjusting shaft is fixedly connected to the adjusting cylinder, the interior of the adjusting cylinder is movably connected with a detection rod, the bottom of the detection rod is fixedly connected with a mounting assembly, the front and rear sides of the top of the base are both provided with fixing plates, the two sides of the fixing plate are fixedly connected to the inner side of the connecting plate, and the bottom of the fixing plate is fixedly connected with an adjusting assembly.

[0007] As a preferred embodiment of the utility model, the mounting assembly includes a mounting screw, the mounting screw is fixedly connected to the bottom end of the detection rod, an adjustment plate is provided on the top of the fixed plate, a mounting screw groove is opened on the top of the adjustment plate, and the mounting screw is threadedly connected to the mounting screw groove.

[0008] As a preferred embodiment of the utility model, the adjusting component includes a motor, the motor is fixedly connected to the bottom of the fixed plate, the output end of the motor passes through the top of the fixed plate, the output end of the motor is fixedly connected to an adjusting screw, the surface of the adjusting screw is threadedly connected to a threaded sleeve, and the top of the threaded sleeve is fixedly connected to the top of the adjusting plate.

[0009] As a preferred embodiment of the utility model, the top of the regulating cylinder is fixedly connected with a spring, the top of the spring is fixedly connected with an annular pressure sensor, and the top of the annular pressure sensor is fixedly connected to the detection rod.

[0010] As a preferred embodiment of the present invention, both ends of the bottom of the adjustment plate are fixedly connected with sliding rods, and the bottom end of the sliding rod passes through the bottom of the fixed plate and is movably connected to the fixed plate.

[0011] As a preferred embodiment of the present invention, a numerical display is fixedly connected to the outer side of the fixing plate, and the numerical display is electrically connected to the annular pressure sensor through a wire.

[0012] As a preferred embodiment of the utility model, a positioning plate is fixedly connected to the bottom of the slide rod, and the positioning plate is movably connected to the fixing plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model provides an adjustable tensioning cylinder so that the adjustable tensioning cylinder cooperates with the supporting tensioning cylinder to tighten the conveyor belt, thereby solving the problem that the conveyor belt is not provided with a tensioning structure during use, so that the conveyor belt will become loose when transporting coal mines for a long time, which not only causes the conveyor belt to accelerate its own wear during subsequent transportation, but also leads to certain safety hazards during transportation. It has the advantage of tension protection.

[0015] 2. The utility model sets a mounting assembly so that the bottom of the detection rod can be screwed into the mounting screw groove on the top of the adjusting plate through the mounting screw, thereby installing the detection rod and conveniently disassembling it. Then, by setting an adjusting assembly, the adjusting screw can be rotated after the motor is started, and the adjusting screw can drive the screw sleeve to move after the rotation, so that the screw sleeve can drive the adjusting plate to move up and down, thereby adjusting the position of the adjusting plate.

[0016] 3. The utility model provides a spring and an annular pressure sensor so that the use of the spring can prevent the detection rod from directly driving the adjusting tensioning cylinder to contact the conveyor belt. At the same time, the annular pressure sensor on the spring can detect the downward pressure of the adjusting tensioning cylinder on the conveyor belt in real time, so that the user can adjust the adjusting tensioning cylinder. The sliding rod is provided so that the use of the sliding rod can limit the adjusting plate, so that the adjusting plate is more stable when moving up and down, and the shaking of the adjusting plate when moving is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the adjusting tension cylinder of the utility model;

[0019] Figure 3 It is a three-dimensional exploded schematic diagram of the adjusting tensioning cylinder of the utility model.

[0020] In the figure: 1. fixed frame; 2. transport roller; 3. transmission device; 4. conveyor belt; 5. base; 6. fixed shaft; 7. support tension cylinder; 8. connecting plate; 9. adjusting shaft; 10. adjusting tension cylinder; 11. adjusting cylinder; 12. detection rod; 13. mounting assembly; 131. mounting screw; 132. adjusting plate; 133. mounting screw groove; 14. fixed plate; 15. adjusting assembly; 151. motor; 152. adjusting screw; 153. screw sleeve; 16. spring; 17. annular pressure sensor; 18. sliding rod; 19. numerical display; 20. positioning plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 3 As shown, a protective device for a belt conveyor provided by the utility model comprises a fixing frame 1, a transport roller 2, a transmission device 3 and a conveyor belt 4, the fixing frame 1 is movably connected to the front and rear sides of the transport roller 2, two transport rollers 2 are provided, the conveyor belt 4 is movably connected to the surface of the transport roller 2, the transmission device 3 is fixedly connected to the front side of the fixing frame 1, the transmission device 3 is transmission-connected to the transport roller 2, a base 5 is provided at the bottom of the conveyor belt 4, the bottom of the fixing frame 1 is fixedly connected to the top of the base 5, both sides of the top of the base 5 are provided with a fixing shaft 6, the surface of the fixing shaft 6 is movably connected to a supporting tensioning cylinder 7, and the surface of the supporting tensioning cylinder 7 is movably connected to the conveyor belt 4 The front and rear ends of the fixed shaft 6 are fixedly connected with a connecting plate 8, the bottom of the connecting plate 8 is fixedly connected to the top of the base 5, an adjusting shaft 9 is arranged inside the conveyor belt 4, the surface of the adjusting shaft 9 is movably connected with an adjusting tensioning cylinder 10, the adjusting tensioning cylinder 10 is movably connected to the conveyor belt 4, the outer end of the adjusting shaft 9 is fixedly connected with an adjusting cylinder 11, the inside of the adjusting cylinder 11 is movably connected with a detection rod 12, the bottom of the detection rod 12 is fixedly connected with an installation component 13, the front and rear sides of the top of the base 5 are arranged with fixing plates 14, the two sides of the fixing plate 14 are fixedly connected with the inner side of the connecting plate 8, and the bottom of the fixing plate 14 is fixedly connected with an adjusting component 15.

[0023] refer to Figure 3 The mounting assembly 13 includes a mounting screw 131, which is fixedly connected to the bottom end of the detection rod 12. An adjusting plate 132 is provided on the top of the fixing plate 14. A mounting screw groove 133 is provided on the top of the adjusting plate 132. The mounting screw 131 is threadedly connected to the mounting screw groove 133.

[0024] As a technical optimization solution of the utility model, by setting the installation component 13, the bottom of the detection rod 12 can be screwed into the installation screw groove 133 at the top of the adjustment plate 132 through the installation screw 131, so that the detection rod 12 can be installed and can be easily disassembled by the user.

[0025] refer to Figure 3 The adjustment component 15 includes a motor 151, which is fixedly connected to the bottom of the fixed plate 14. The output end of the motor 151 passes through the top of the fixed plate 14. The output end of the motor 151 is fixedly connected to an adjusting screw 152. The surface of the adjusting screw 152 is threadedly connected with a screw sleeve 153. The top of the screw sleeve 153 is fixedly connected to the top of the adjustment plate 132.

[0026] As a technical optimization scheme of the utility model, by setting the adjustment component 15, the motor 151 can be started to adjust the screw 152 to rotate, and the adjustment screw 152 can drive the screw sleeve 153 to move after rotating, so that the screw sleeve 153 can drive the adjustment plate 132 to move up and down, thereby adjusting the position of the adjustment plate 132.

[0027] refer to Figure 3 The top of the regulating cylinder 11 is fixedly connected with a spring 16 , the top of the spring 16 is fixedly connected with an annular pressure sensor 17 , and the top of the annular pressure sensor 17 is fixedly connected with the detection rod 12 .

[0028] As a technical optimization solution of the utility model, by arranging the spring 16 and the annular pressure sensor 17, the use of the spring 16 can prevent the detection rod 12 from directly driving the adjusting tensioning cylinder 10 to contact the conveyor belt 4. At the same time, the annular pressure sensor 17 on the spring 16 can detect the downward pressure of the adjusting tensioning cylinder 10 on the conveyor belt 4 in real time, thereby facilitating the user to adjust the adjusting tensioning cylinder 10.

[0029] refer to Figure 3 Both ends of the bottom of the adjustment plate 132 are fixedly connected with the slide rod 18 , and the bottom end of the slide rod 18 passes through the bottom of the fixed plate 14 and is movably connected with the fixed plate 14 .

[0030] As a technical optimization solution of the utility model, by setting the slide bar 18, the use of the slide bar 18 can limit the adjustment plate 132, so that the adjustment plate 132 is more stable when moving up and down, avoiding shaking of the adjustment plate 132 when moving.

[0031] refer to Figure 3 A numerical display 19 is fixedly connected to the outer side of the fixing plate 14 , and the numerical display 19 is electrically connected to the annular pressure sensor 17 through a wire.

[0032] As a technical optimization solution of the present invention, by providing a numerical display 19, the numerical display 19 can display the numerical value detected by the annular pressure sensor 17 in real time, so that the user can observe it more intuitively.

[0033] refer to Figure 3 A positioning plate 20 is fixedly connected to the bottom of the slide rod 18 , and the positioning plate 20 is movably connected to the fixing plate 14 .

[0034] As a technical optimization solution of the present invention, by providing a positioning plate 20 , the positioning plate 20 can be used to limit the slide bar 18 , thereby preventing the slide bar 18 from being separated from the fixing plate 14 .

[0035] The working principle and use process of the utility model are as follows: when in use, the motor 151 at the bottom of the fixed plate 14 is started, so that the motor 151 can drive the adjusting screw 152 to rotate after starting, and the adjusting screw 152 can drive the screw sleeve 153 to move downward after rotating, and the screw sleeve 153 can drive the adjusting plate 132 to move downward after moving downward, and the adjusting plate 132 can move downward through the mounting screw 131 inside the mounting screw groove 133 after moving downward, and the mounting screw 131 can drive the detection rod 12 to move downward after moving downward, so that the detection rod 12 drives the spring 16 to move downward through the annular pressure sensor 17, and the spring 16 can drive the adjusting cylinder 11 to move downward after moving downward, and the adjusting cylinder 11 can drive the adjusting shaft 9 to move downward after moving downward, so that the adjusting shaft 9 can drive the adjusting tensioning cylinder 10 to move downward, so that the adjusting tensioning cylinder 10 can tighten the conveyor belt 4 through the supporting tensioning cylinder 10 on the surface of the fixed shaft 6, thereby ensuring the normal use of the conveyor belt 4, thereby achieving the effect of tensioning protection.

[0036] To sum up: this kind of belt conveyor protection device, by setting an adjusting tensioning cylinder 10, enables the adjusting tensioning cylinder 10 to cooperate with the supporting tensioning cylinder 7 to tighten the conveyor belt 4, thereby solving the problem that the tensioning structure is not set for the conveyor belt during use, which makes the conveyor belt become loose when transporting coal mines for a long time, which not only causes the conveyor belt to accelerate its own wear during subsequent transportation, but also leads to certain safety hazards during transportation.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Although embodiments of the utility model have been shown and described, it is understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A protective device for a belt conveyor, comprising a fixed frame (1), a transport roller (2), a transmission device (3) and a conveyor belt (4), characterized in that: The fixed frame (1) is movably connected to the front and rear sides of the transport roller (2), two transport rollers (2) are provided, the conveyor belt (4) is movably connected to the surface of the transport roller (2), the transmission device (3) is fixedly connected to the front side of the fixed frame (1), the transmission device (3) is transmission-connected to the transport roller (2), a base (5) is provided at the bottom of the conveyor belt (4), the bottom of the fixed frame (1) is fixedly connected to the top of the base (5), both sides of the top of the base (5) are provided with a fixed shaft (6), the surface of the fixed shaft (6) is movably connected to a support tensioning cylinder (7), the surface of the support tensioning cylinder (7) is movably connected to the conveyor belt (4), the front and rear ends of the fixed shaft (6) are fixedly connected to a connecting plate ( 8), the bottom of the connecting plate (8) is fixedly connected to the top of the base (5), an adjusting shaft (9) is arranged inside the conveyor belt (4), the surface of the adjusting shaft (9) is movably connected with an adjusting tensioning cylinder (10), the adjusting tensioning cylinder (10) is movably connected to the conveyor belt (4), the outer end of the adjusting shaft (9) is fixedly connected with an adjusting cylinder (11), the inside of the adjusting cylinder (11) is movably connected with a detection rod (12), the bottom of the detection rod (12) is fixedly connected with a mounting assembly (13), the front and rear sides of the top of the base (5) are both provided with fixing plates (14), the two sides of the fixing plate (14) are fixedly connected to the inner side of the connecting plate (8), and the bottom of the fixing plate (14) is fixedly connected with an adjusting assembly (15).

2. A protective device for a belt conveyor according to claim 1, characterized in that: The mounting assembly (13) comprises a mounting screw (131), wherein the mounting screw (131) is fixedly connected to the bottom end of the detection rod (12), an adjustment plate (132) is arranged on the top of the fixing plate (14), a mounting screw groove (133) is arranged on the top of the adjustment plate (132), and the mounting screw (131) is threadedly connected to the mounting screw groove (133).

3. A protective device for a belt conveyor according to claim 2, characterized in that: The adjustment component (15) comprises a motor (151), the motor (151) is fixedly connected to the bottom of the fixed plate (14), the output end of the motor (151) passes through the top of the fixed plate (14), the output end of the motor (151) is fixedly connected to an adjustment screw (152), the surface of the adjustment screw (152) is threadedly connected to a screw sleeve (153), and the top of the screw sleeve (153) is fixedly connected to the top of the adjustment plate (132).

4. The protective device for a belt conveyor according to claim 1, characterized in that: The top of the regulating cylinder (11) is fixedly connected to a spring (16), the top of the spring (16) is fixedly connected to an annular pressure sensor (17), and the top of the annular pressure sensor (17) is fixedly connected to the detection rod (12).

5. The protective device for a belt conveyor according to claim 2, characterized in that: Both ends of the bottom of the adjustment plate (132) are fixedly connected to a slide rod (18), and the bottom end of the slide rod (18) penetrates the bottom of the fixed plate (14) and is movably connected to the fixed plate (14).

6. A protective device for a belt conveyor according to claim 4, characterized in that: A numerical display (19) is fixedly connected to the outer side of the fixed plate (14), and the numerical display (19) is electrically connected to the annular pressure sensor (17) via a wire.

7. The protective device for a belt conveyor according to claim 5, characterized in that: A positioning plate (20) is fixedly connected to the bottom of the sliding rod (18), and the positioning plate (20) is movably connected to the fixing plate (14).

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