Belt material draught fan with personnel protection function

Abstract

The utility model discloses a belt material fan with a personnel protection function, which relates to the technical field of belt material fans and comprises an equipment base, a driving motor and a fan body are fixedly mounted on the equipment base, a driving belt is arranged between the driving motor and the fan body, and a protection mechanism is arranged at the driving belt. The protection mechanism comprises a positioning base fixedly installed on the equipment base, a protection cover body is fixedly installed on the positioning base, a detection hole is formed in the positioning base, a power-off mechanism is fixedly installed at the position of the detection hole, a nut seat is fixedly installed on the protection cover body, a fixing bolt is connected to the nut seat, and an installation through hole is formed in the positioning base. According to the belt material draught fan with the personnel protection function, the protection mechanism can prevent personnel from making contact with the driving belt and protect the personnel, the power-off mechanism can automatically disconnect a power source of the driving motor when the protection cover body is detached for maintenance, and the situation that the personnel are injured due to sudden action of the belt is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of belt fan, specifically a belt fan with personnel protection function. BACKGROUND

[0002] The belt fan is a kind of equipment widely used in industrial field, mainly used for the conveying and processing of material. It usually has the characteristics of high pressure, large air volume, low noise, etc., which can meet the needs of different industries. The working principle of belt fan is to convey the material from one place to another by the airflow generated by the fan. During the conveying process, the fan can maintain the integrity and stability of the material, avoiding damage and scattering of the material. At the same time, the belt fan can also adjust the speed and air volume of the fan according to the characteristics of the material and the different conveying distances, so as to achieve the best conveying effect.

[0003] The belt fan is mainly composed of fan body and motor, which are connected by belt transmission system. In order to ensure the safety of workers during high-speed operation of the fan, a special protective cover is usually set in the belt transmission area. This protective measure can effectively prevent the belt from accidentally hitting or injuring the surrounding workers during high-speed rotation. However, when necessary maintenance and repair of the belt are needed, the workers need to disassemble the protective cover to operate. In the actual operation process, sometimes workers are careless and forget to cut off the power of the motor, which may cause the belt to move unexpectedly during maintenance, thereby causing potential safety risks and injuries to the workers working. SUMMARY

[0004] The utility model aims at providing a belt fan with personnel protection function to solve the problem of accidental movement of the belt in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a belt fan with personnel protection function, comprising a device base, a driving motor and a fan body are fixedly installed on the device base, a driving belt is arranged between the driving motor and the fan body, a protection mechanism is arranged at the driving belt, the protection mechanism comprises a positioning base fixedly installed on the device base, a protective cover body is fixedly installed on the positioning base, a detection hole is formed in the positioning base, and a power-off mechanism is fixedly installed at the detection hole.

[0006] Preferably, a nut seat is fixedly installed on the protective cover body, a fixing bolt is connected to the nut seat, and an installation through hole is formed in the positioning base.

[0007] Preferably, a connecting bolt is arranged on the device base, and the positioning base is fixed on the device base through the connecting bolt.

[0008] Preferably, one end of the fixing bolt passes through the mounting through hole to penetrate the positioning base, the protective cover body is fixedly installed on the positioning base by the fixing bolt, and the protective cover body covers the outer side of the driving belt.

[0009] Preferably, the power-off mechanism comprises a mechanism shell fixedly installed at the bottom of the positioning base, an input end head fixedly installed at the bottom of the mechanism shell, a movable plate movably installed in the mechanism shell, an output end head fixedly installed on the movable plate, a connecting wire fixedly installed on the output end head, a detection rod fixedly installed at the middle position of the movable plate, and a reset spring sleeved on the detection rod.

[0010] Preferably, a movable hole is formed in the mechanism shell, the detection rod extends out of the mechanism shell through the movable hole, and the detection rod penetrates the positioning base through a detection hole.

[0011] Preferably, one end of the connecting wire is connected to the input end head, the other end of the connecting wire is connected to a terminal of the driving motor, one end of the reset spring is fixedly installed on the movable plate, the other end of the reset spring is fixedly installed on a top plate of the mechanism shell, the output end head is movably installed in the mechanism shell through the movable plate, the output end head is aligned with the input end head in an up-down direction, and a power line is connected to the input end head.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. In the application, after the nut seat is accurately aligned with the mounting through hole, the fixing bolt is screwed to the nut seat, the protective cover body and the positioning base are firmly combined, the protective cover body is fixed on the positioning base, direct contact between personnel and the driving belt is effectively prevented, and necessary personnel protection is provided.

[0014] 2. In the application, after the protective cover body is removed, the detection rod is no longer hindered, the reset spring is allowed to perform a reset action, the movable plate is driven to move upward in the reset process, the output end head is driven to move upward, the input end head and the output end head are separated, the power supply of the driving motor is automatically cut off during maintenance work of the driving belt, and harm to maintenance personnel caused by accidental start of the belt is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the overall structure of the utility model;

[0016] Figure 2 It is a schematic view of the local structure of the utility model;

[0017] Figure 3 It is a schematic view of the local structure of the utility model; Figure 2 It is an enlarged view of A in the utility model.

[0018] Figure 4 It is protective structure schematic view of the utility model;

[0019] Figure 5 It is power-off mechanism schematic view of the utility model.

[0020] Marked number in drawing: 1, drive motor; 2, equipment base; 3, fan body; 4, drive belt; 5, protection mechanism; 501, protection cover body; 502, nut seat; 503, positioning base; 504, fixed bolt; 505, detection hole; 506, mounting through-hole; 6, power-off mechanism; 601, mechanism housing; 602, detection rod; 603, reset spring; 604, connecting wire; 605, input end head; 606, output end head; 607, movable plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] As Figure 1 and Figure 2 shown, the utility model provides a kind of personnel protection function's technical scheme of belt material fan, including equipment base 2, equipment base 2 is fixedly installed with drive motor 1 and fan body 3, drive motor 1 is equipped with drive belt 4 between fan body 3, detection hole 505 is fixedly installed with power-off mechanism 6, protection mechanism 5 can prevent personnel contact drive belt 4, personnel is protected, power-off mechanism 6 can automatically disconnect the power supply of drive motor 1 when maintenance is carried out by removing protection cover body 501, prevent the situation that belt suddenly acts on personnel to cause injury occurs.

[0023] As Figure 2 and Figure 4 shown, drive belt 4 is equipped with protection mechanism 5, and protection mechanism 5 includes positioning base 503 fixedly installed on equipment base 2, positioning base 503 is fixedly installed with protection cover body 501, positioning base 503 is equipped with detection hole 505, protection cover body 501 is fixedly installed with nut seat 502, nut seat 502 is connected with fixed bolt 504, positioning base 503 is equipped with mounting through-hole 506, equipment base 2 is equipped with connecting bolt, and positioning base 503 is fixed on equipment base 2 by connecting bolt.

[0024] Specifically, the nut seat 502 and the mounting hole 506 need to be precisely aligned vertically. Once the alignment is completed, the next step is to tighten the fixing bolt 504 on the nut seat 502. Through this action, the protective cover body 501 and the positioning base 503 can be firmly connected. After the protective cover body 501 is successfully fixed on the positioning base 503, it can play its important role, that is, to prevent people from accidentally touching the driving belt 4.

[0025] As shown in Figure 3 and Figure 5 , the power-off mechanism 6 includes a mechanism housing 601 fixedly installed at the bottom of the positioning base 503, an input end head 605 fixedly installed at the bottom of the mechanism housing 601, a movable plate 607 movably installed in the mechanism housing 601, an output end head 606 fixedly installed on the movable plate 607, a connecting wire 604 fixedly installed on the output end head 606, a detection rod 602 fixedly installed at the middle position of the movable plate 607, a reset spring 603 sleeved on the detection rod 602, a movable hole provided on the mechanism housing 601, the detection rod 602 extending out of the mechanism housing 601 through the movable hole, and the detection rod 602 penetrating through the positioning base 503 through the detection hole 505.

[0026] Specifically, when performing maintenance work on the equipment, the protective cover body 501 needs to be first removed. Once the protective cover body 501 is removed, the detection rod 602 will lose its original blocking effect. When the detection rod 602 is no longer blocked, the reset spring 603 has the opportunity to reset. The reset spring 603 will drive the movable plate 607 to move upward during the reset process. With the upward movement of the movable plate 607, the output end head 606 will also move upward. This series of movements eventually leads to the separation between the input end head 605 and the output end head 606. The power supply of the driving motor 1 is automatically disconnected when the protective cover body 501 is removed for maintenance. Preventing the occurrence of accidental injury to maintenance personnel due to the sudden movement of the belt during maintenance.

[0027] Working principle: when in use, the protective cover body 501 can be placed on the positioning base 503, and the nut seat 502 is aligned with the mounting hole 506 up and down, and after the nut seat 502 is aligned with the mounting hole 506 up and down, the fixing bolt 504 can be tightened on the nut seat 502, so that the protective cover body 501 is fixed on the positioning base 503, the protective cover body 501 fixed on the positioning base 503 can prevent personnel from contacting the driving belt 4, at the same time, the user can unscrew the fixing bolt 504, after unscrewing the fixing bolt 504, the protective cover body 501 can be removed, after removing the protective cover body 501, the driving belt 4 can be maintained, and after removing the protective cover body 501, the detection rod 602 loses the block, after the detection rod 602 loses the block, the reset spring 603 can be reset, the reset spring 603 resets, which drives the movable plate 607 to move upward, when the movable plate 607 moves upward, it drives the output end 606 to move upward, so that the input end 605 and the output end 606 are separated, and the power supply of the driving motor 1 is automatically disconnected when the protective cover body 501 is removed for maintenance, preventing the belt from suddenly moving and causing harm to personnel.

[0028] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A belt fan with personnel protection function, comprising a device base (2), a driving motor (1) and a fan body (3) are fixedly installed on the device base (2), a driving belt (4) is arranged between the driving motor (1) and the fan body (3), characterized in that: The driving belt (4) is provided with a protection mechanism (5), the protection mechanism (5) includes a positioning base (503) fixedly installed on the equipment base (2), a protection cover (501) is fixedly installed on the positioning base (503), a detection hole (505) is formed in the positioning base (503), and a power-off mechanism (6) is fixedly installed on the detection hole (505).

2. The belt-driven fan with personnel protection according to claim 1, characterized in that: The protection cover (501) is fixedly installed on the nut seat (502), the nut seat (502) is connected with the fixing bolt (504), and the positioning base (503) is provided with an installation through hole (506).

3. The belt-driven fan with personnel protection according to claim 2, characterized in that: The equipment base (2) is provided with a connecting bolt, and the positioning base (503) is fixed on the equipment base (2) through the connecting bolt.

4. The belt-driven fan with personnel protection according to claim 3, characterized in that: One end of the fixing bolt (504) passes through the positioning base (503) through the installation through hole (506), the protection cover (501) is fixedly installed on the positioning base (503) through the fixing bolt (504), and the protection cover (501) covers the outer side of the driving belt (4).

5. The belt-driven fan with personnel protection according to claim 1, characterized in that: The power-off mechanism (6) includes a mechanism shell (601) fixedly installed at the bottom of the positioning base (503), an input end (605) is fixedly installed at the bottom of the mechanism shell (601), a movable plate (607) is movably installed in the mechanism shell (601), an output end (606) is fixedly installed on the movable plate (607), a connecting wire (604) is fixedly installed on the output end (606), a detection rod (602) is fixedly installed at the middle position of the movable plate (607), and a reset spring (603) is sleeved on the detection rod (602).

6. A belt-driven fan with personnel protection according to claim 5, characterized in that: An active hole is formed in the mechanism shell (601), the detection rod (602) extends out of the mechanism shell (601) through the active hole, the detection rod (602) passes through the positioning base (503) through the detection hole (505), and the upper end of the detection rod (602) abuts against the protection cover (501).

7. The belt-driven fan with personnel protection according to claim 5, characterized in that: One end of the connecting wire (604) is connected to the input end (605), the other end of the connecting wire (604) is connected to the wiring terminal of the driving motor (1), one end of the reset spring (603) is fixedly installed on the movable plate (607), the other end of the reset spring (603) is fixedly installed on the top plate of the mechanism shell (601), the output end (606) is movably installed in the mechanism shell (601) through the movable plate (607), the output end (606) is aligned with the input end (605) in an up-down direction, and the input end (605) is connected with a power line.

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