Special energy-saving centrifugal fan for new energy sweeper truck

Abstract

The energy-saving centrifugal fan special for the new energy sweeping vehicle comprises a support, a volute, an air inlet box and a connector, the volute is fixedly installed at the upper end of the support, the connector is fixedly installed on the front surface of the volute, the air inlet box is fixedly installed at the front end of the connector, and the air inlet box is fixedly installed at the lower end of the support. And a dismounting plate is fixedly mounted on the front surface of the air inlet box and located below the air inlet box. According to the energy-saving centrifugal fan special for the new energy road sweeper, when the interior of the centrifugal fan needs to be maintained and cleaned, after fasteners used for fixing the air inlet box are detached, the air inlet box is turned over downwards with the supporting rod as the circle center under the action of gravity, in this way, the air inlet box does not need to be completely detached from the connector, and therefore the air inlet box can be conveniently detached. After overhauling and cleaning are finished, the air inlet box is turned back to the original position, the position of the air inlet box is kept unchanged under the cooperation of the positioning rod and the positioning hole, at the moment, a worker can conveniently fix the air inlet box to the connector through a fastener, and cooperation of multiple persons is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy road sweepers, in particular to a special energy-saving centrifugal fan for new energy road sweepers. Background Technique

[0002] As one of the sanitation equipment, the road sweeper is a new type of efficient cleaning equipment integrating road cleaning, garbage collection and transportation. It can be widely used in main roads, municipalities, airport runways, urban residential areas, parks and other road cleaning. The road sweeper can not only clean garbage, but also dust and purify the air medium on the road.

[0003] A centrifugal fan is installed inside the road sweeper. When the centrifugal fan is disassembled from the road sweeper and the inside of the centrifugal fan is overhauled and cleaned, the air inlet pipe on the centrifugal fan needs to be disassembled, and then the air inlet pipe is placed on the ground. After the overhaul and cleaning, two people are needed to cooperate. One person holds the air inlet pipe, and then the other person uses tools to fix the fasteners used to fix the air inlet pipe on the centrifugal fan. Such a disassembly and assembly method is relatively troublesome. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a special energy-saving centrifugal fan for new energy road sweepers, which can effectively solve the problems in the background technique.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] The special energy-saving centrifugal fan for new energy road sweepers includes a bracket, a volute, an air inlet box and a connector. The volute is fixedly installed at the upper end of the bracket. A connector is fixedly installed on the front surface of the volute. An air inlet box is fixedly installed at the front end of the connector. A disassembly plate is fixedly installed on the front surface of the air inlet box and below. A locking part is fixedly installed on the front surface of the connector and close to one side. A pulley is movably installed on the rear surface of the volute.

[0007] Preferably, a first extension rod is fixedly installed on one side surface below the air inlet box, a second extension rod is fixedly installed on the other side surface below the air inlet box. An installation hole is opened inside one end of the first extension rod. A positioning hole is opened inside one end of the second extension rod. An installation flange is fixedly installed on the rear surface of the air inlet box and below.

[0008] Preferably, the locking part includes an installation sleeve, a positioning rod, a stop block, a push-pull block and a spring. The locking part is fixed to the connector through the installation sleeve. Push-pull openings are opened on the upper surface and the lower surface of the installation sleeve.

[0009] Preferably, a spring is provided inside the mounting sleeve. The rear end of the positioning rod is embedded in the mounting sleeve. A stop block is fixedly installed on the rear surface of the positioning rod. Push-pull blocks are fixedly installed on the upper surface and the lower surface of the stop block. The push-pull blocks pass through the push-pull openings and are fixed to the stop block.

[0010] Preferably, a support rod is fixedly installed on the front surface of one side of the connecting head. The front end of the support rod is embedded in the mounting hole.

[0011] Preferably, the front end of the positioning rod is embedded in the positioning hole. The air inlet box is communicated with the volute through the connecting head.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, by setting the connecting head, the air inlet box and the locking member to cooperate with each other, when it is necessary to repair and clean the inside of the centrifugal fan, first remove the fasteners used to fix the air inlet box, and then use the push-pull block to push the positioning rod of the locking member backward until the front end of the positioning rod exits from the positioning hole of the air inlet box. At this time, the air inlet box will rotate downward around the support rod under the action of gravity, so that it is not necessary to completely disassemble the air inlet box from the connecting head. After the inspection and cleaning are completed, turn the air inlet box back to its original position. With the cooperation of the positioning rod and the positioning hole, the air inlet box keeps its position unchanged. At this time, the staff can conveniently use the fasteners to fix the air inlet box on the connecting head without the cooperation of multiple people. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view of the special energy-saving centrifugal fan for new energy road sweeper of the utility model;

[0015] Figure 2 is the left view of the special energy-saving centrifugal fan for new energy road sweeper of the utility model;

[0016] Figure 3 is the structural diagram of the air inlet box of the special energy-saving centrifugal fan for new energy road sweeper of the utility model;

[0017] Figure 4 is the partial sectional view of the disassembled schematic diagram of the locking member of the special energy-saving centrifugal fan for new energy road sweeper of the utility model.

[0018] In the figure: 1, bracket; 2, volute; 3, connecting head; 301, support rod; 4, air inlet box; 401, mounting flange; 402, first extension rod; 403, mounting hole; 404, second extension rod; 405, positioning hole; 5, disassembly plate; 6, locking member; 601, mounting sleeve; 602, positioning rod; 603, stop block; 604, push-pull block; 605, push-pull opening; 606, spring; 7, pulley. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] To make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] As Figures 1-4 shown, the energy-saving centrifugal fan dedicated to a new energy road sweeper includes a bracket 1, a volute 2, an air inlet box 4 and a connector 3. The upper end of the bracket 1 is fixedly installed with the volute 2. The front surface of the volute 2 is fixedly installed with the connector 3. The front end of the connector 3 is fixedly installed with the air inlet box 4. A disassembly plate 5 is fixedly installed on the front surface of the air inlet box 4 and below. A locking member 6 is fixedly installed on the front surface of the connector 3 and near one side. A pulley 7 is movably installed on the rear surface of the volute 2.

[0021] One side surface below the air inlet box 4 is fixedly installed with a first extension rod 402, and the other side surface below the air inlet box 4 is fixedly installed with a second extension rod 404. An installation hole 403 is opened inside one end of the first extension rod 402, and a positioning hole 405 is opened inside one end of the second extension rod 404. An installation flange 401 is fixedly installed on the rear surface of the air inlet box 4 and below. The locking member 6 includes an installation sleeve 601, a positioning rod 602, a stop block 603, a push-pull block 604 and a spring 606. The locking member 6 is fixed to the connector 3 through the installation sleeve 601. Push-pull openings 605 are opened on the upper surface and the lower surface of the installation sleeve 601. The positioning rod 602 can be conveniently moved backward by using the push-pull block 604, so that the front end of the positioning rod 602 withdraws from the positioning hole 405. A spring 606 is arranged inside the installation sleeve 601. The rear end of the positioning rod 602 is embedded in the installation sleeve 601. A stop block 603 is fixedly installed on the rear surface of the positioning rod 602. Push-pull blocks 604 are fixedly installed on the upper surface and the lower surface of the stop block 603. The push-pull blocks 604 pass through the push-pull openings 605 and are fixed to the stop block 603. The spring 606 has a forward pushing force on the stop block 603. A support rod 301 is fixedly installed on the front surface of one side of the connector 3. The front end of the support rod 301 is embedded in the installation hole 403. The front end of the positioning rod 602 is embedded in the positioning hole 405. The air inlet box 4 is communicated with the volute 2 through the connector 3.

[0022] It should be noted that the present utility model is a special energy-saving centrifugal fan for new energy road sweepers. When in use, when it is necessary to repair and clean the inside of the centrifugal fan, first remove the fasteners used to fix the air inlet box 4, and then use the push-pull block 604 to push the positioning rod 602 of the locking member 6 backward until the front end of the positioning rod 602 exits from the positioning hole 405 of the air inlet box 4. At this time, the air inlet box 4 will rotate downward around the support rod 301 under the action of gravity, so that it is not necessary to completely remove the air inlet box 4 from the connector 3. When the repair and cleaning are completed, turn the air inlet box 4 back to its original position. With the cooperation of the positioning rod 602 and the positioning hole 405, the air inlet box 4 remains in place. At this time, the staff can conveniently fix the air inlet box 4 on the connector 3 with fasteners without the need for multiple people to cooperate.

[0023] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. Energy-saving centrifugal fan for new energy road sweeper, characterized by: The invention comprises a bracket (1), a volute (2), an air intake box (4) and a connecting head (3), wherein the upper end of the bracket (1) is fixedly mounted with the volute (2), the front surface of the volute (2) is fixedly mounted with the connecting head (3), the front end of the connecting head (3) is fixedly mounted with the air intake box (4), a disassembly plate (5) is fixedly mounted on the front surface of the air intake box (4) and located below, a locking member (6) is fixedly mounted on the front surface of the connecting head (3) and close to one side, and a pulley (7) is movably mounted on the rear surface of the volute (2).

2. The energy-saving centrifugal fan for new energy road sweeper according to claim 1 is characterized in that: A first extension rod (402) is fixedly mounted on one side surface below the air intake box (4), and a second extension rod (404) is fixedly mounted on the other side surface below the air intake box (4). A mounting hole (403) is provided inside one end of the first extension rod (402), and a positioning hole (405) is provided inside one end of the second extension rod (404). A mounting flange (401) is fixedly mounted on the rear surface of the air intake box (4) and located below.

3. The energy-saving centrifugal fan for new energy road sweeper according to claim 2 is characterized in that: The locking element (6) comprises a mounting sleeve (601), a positioning rod (602), a stop block (603), a push-pull block (604) and a spring (606); the locking element (6) is fixed to the connecting head (3) via the mounting sleeve (601); and push-pull openings (605) are provided on the upper and lower surfaces of the mounting sleeve (601).

4. The energy-saving centrifugal fan for new energy road sweeper according to claim 3 is characterized in that: A spring (606) is provided inside the installation sleeve (601), the rear end of the positioning rod (602) is embedded in the installation sleeve (601), a stop block (603) is fixedly installed on the rear surface of the positioning rod (602), and push-pull blocks (604) are fixedly installed on the upper and lower surfaces of the stop block (603), and the push-pull block (604) passes through the push-pull opening (605) and is fixed to the stop block (603).

5. The energy-saving centrifugal fan for new energy road sweeper according to claim 4 is characterized in that: A support rod (301) is fixedly mounted on the front surface of one side of the connector (3), and the front end of the support rod (301) is embedded in the mounting hole (403).

6. The energy-saving centrifugal fan for new energy road sweeper according to claim 5 is characterized in that: The front end of the positioning rod (602) is embedded in the positioning hole (405), and the air intake box (4) is connected to the volute (2) via a connector (3).

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