Air suction and dust removal device for washing and sweeping vehicle

Abstract

The utility model relates to the technical field of cleaning and sweeping vehicles, and discloses an air suction and dust removal device for a cleaning and sweeping vehicle, which comprises a gear box and a main rotating shaft with one end rotatably mounted in the gear box, and further comprises a main bevel gear, an auxiliary bevel gear I and an auxiliary bevel gear II which are positioned in the gear box, and the auxiliary bevel gear I and the auxiliary bevel gear II are both meshed with the main bevel gear; the main rotating shaft is sleeved with the rotating sleeve, the first auxiliary bevel gear is installed on the rotating sleeve, the second auxiliary bevel gear is installed on the main rotating shaft, the main fan is installed on the main rotating shaft, the turbine is installed on the rotating sleeve through the installation assembly, and the main fan is located on the inner ring of the turbine. The first auxiliary bevel gear drives a rotating sleeve connected with the first auxiliary bevel gear to rotate in the forward direction, the rotating sleeve drives a turbine to rotate in the forward direction, the second auxiliary bevel gear drives a main rotating shaft connected with the second auxiliary bevel gear to rotate in the reverse direction, and the main rotating shaft drives a main fan connected with the main rotating shaft to rotate in the reverse direction; and the main fan and the turbine complete the air suction operation.

Description

Technical Field

[0001] The utility model relates to the technical field of washing and sweeping vehicles, in particular to an air suction and dust removal device for washing and sweeping vehicles. Background Art

[0002] Chinese patent CN220724945 U discloses a suction and dust removal device for a sweeper, comprising a front fan and a rear fan, both of which are driven by a gear box at the same time; the gear box is provided with active bevel gears, connecting bevel gears, passive bevel gears and a main shaft, the active bevel gears are located below the gear box and are connected to a motor, the connecting bevel gears and the passive bevel gears are meshed with the active bevel gears at the same time, and are located on the left and right sides respectively, the main shaft passes through the passive bevel gears and the connecting bevel gears, and the passive bevel gears are connected to the main shaft by splines, the motor rotates, and at the same time drives the front fan and the rear fan to rotate, thereby achieving suction.

[0003] However, because the front fan and the rear fan are arranged front and back, when inspecting the rear fan, the front fan needs to be removed first to leave space for removing the rear fan. In this case, the disassembly is more troublesome. Utility Model Content

[0004] In order to improve the above-mentioned problems, the utility model discloses an air suction and dust removal device for a washing and sweeping vehicle, comprising a gear box and a main rotating shaft with one end rotatably installed in the gear box, and also comprising: a main bevel gear, a secondary bevel gear 1 and a secondary bevel gear 2 located in the gear box, the secondary bevel gear 1 and the secondary bevel gear 2 are both engaged with the main bevel gear, a rotating sleeve is arranged on the main rotating shaft, the secondary bevel gear 1 is installed on the rotating sleeve, the secondary bevel gear 2 is installed on the main rotating shaft, a main fan is installed on the main rotating shaft, a turbine is installed on the rotating sleeve through a mounting assembly, and the main fan is located at the inner ring of the turbine.

[0005] Preferably, it also includes:

[0006] The main motor is installed on the surface of the gear box, and the output end of the main motor extends into the gear box and is connected to the main bevel gear.

[0007] Preferably, the main fan is connected to the shaft end of the main shaft through a mounting screw.

[0008] Preferably, the mounting assembly comprises:

[0009] A support cover is provided in a trumpet shape, a plurality of air inlets are provided in a circular array on the support cover, and the support cover is fixedly connected to the inner ring of the turbine;

[0010] A mounting ring, the mounting ring is integrally formed and connected to the rotating sleeve, and the supporting cover is sleeved outside the rotating sleeve away from the turbine end and abuts against the mounting ring;

[0011] Limit rods, three limit rods are installed in a circular array on the mounting ring, and a limit hole adapted for the limit rods is opened at the end of the support casing away from the turbine.

[0012] Preferably, an external thread is formed at one end of the rotating sleeve away from the auxiliary bevel gear, a pressing cover is mounted on the external thread and is disposed against the end of the supporting cover away from the turbine, and a pressing cover is disposed through the end of the main rotating shaft close to the main fan.

[0013] Preferably, the installation assembly further comprises:

[0014] Centrifugal rods, four centrifugal rods are circumferentially mounted on the rotating sleeve, the centrifugal blocks are mounted on the centrifugal rods, the ends of the centrifugal rods away from the centrifugal blocks are connected to the mounting seat through the mounting shaft, and the mounting seat is connected to the rotating sleeve;

[0015] A limiting slide groove is provided at the end of the centrifugal rod close to the centrifugal block;

[0016] A push rod, one end of which is provided with a limit slider, the limit slider is slidably connected in the limit slide groove, and the other end of the push rod is provided with a support plate, which is installed on the mounting ring;

[0017] The other end of the push rod is against the rubber block, and the rubber block is attached to the end of the support cover shell close to the mounting ring.

[0018] Preferably, a limiting coil spring is sleeved on the mounting shaft.

[0019] Preferably, a stop rod for limiting the rotation of the centrifugal rod is installed on the mounting seat.

[0020] Preferably, the centrifugal rod is arranged to be inclined close to the end of the centrifugal block and away from the mounting ring.

[0021] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0022] The utility model provides a suction dust removal device for a washing and sweeping vehicle. The main bevel gear rotates, thereby driving the secondary bevel gear 1 and the secondary bevel gear 2 meshed therewith to rotate in the gear box. The secondary bevel gear 1 drives the rotating sleeve connected therewith to rotate forwardly, and the rotating sleeve drives the turbine connected therewith through the mounting assembly to rotate forwardly. The secondary bevel gear 2 drives the main rotating shaft connected therewith to rotate reversely, and the main rotating shaft drives the main fan connected therewith to rotate reversely. At this time, the main fan and the turbine rotate, thereby realizing the suction operation. The main fan and the turbine are arranged in the same plane, so that the two are convenient to be separated and maintained separately. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a cross-sectional view of the utility model;

[0025] Figure 2 This is the main fan and turbine distribution diagram of the utility model;

[0026] Figure 3 for Figure 1 Enlarged view of the number A.

[0027] In the figure: 10. gear box; 11. main shaft; 12. main bevel gear; 13. auxiliary bevel gear 1; 14. auxiliary bevel gear 2; 15. rotating sleeve; 16. main fan; 17. turbine; 18. main motor; 19. mounting screw; 20. supporting shell; 21. air inlet; 22. mounting ring; 23. limiting rod; 24. pressing cover; 25. centrifugal rod; 26. centrifugal block; 27. mounting seat; 28. limiting slide; 29. ​​ejector rod; 30. rubber block. DETAILED DESCRIPTION

[0028] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of 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.

[0029] Example

[0030] The utility model will be further described below in conjunction with the accompanying drawings.

[0031] like Figures 1 to 3 As shown, the present embodiment provides a suction dust removal device for a washing and sweeping vehicle, comprising a gear box 10 and a main rotating shaft 11 rotatably installed at one end in the gear box 10, and further comprising: a main bevel gear 12, a secondary bevel gear 13 and a secondary bevel gear 2 14 located in the gear box 10, the secondary bevel gear 1 13 and the secondary bevel gear 2 14 are both engaged with the main bevel gear 12, a rotating sleeve 15 is sleeved on the main rotating shaft 11, the secondary bevel gear 1 13 is installed on the rotating sleeve 15, the secondary bevel gear 2 14 is installed on the main rotating shaft 11, a main fan 16 is installed on the main rotating shaft 11, a turbine 17 is installed on the rotating sleeve 15 through a mounting assembly, and the main fan 16 is located on the inner ring of the turbine 17.

[0032] The working principle and beneficial effects of the above technical solution are:

[0033] The utility model discloses a suction dust removal device for a washing and sweeping vehicle. The main bevel gear 12 rotates, thereby driving the meshed auxiliary bevel gear 1 13 and auxiliary bevel gear 2 14 to rotate in the gear box 10. The auxiliary bevel gear 1 13 drives the rotating sleeve 15 connected thereto to rotate forwardly. The rotating sleeve 15 drives the turbine 17 connected thereto through the mounting assembly to rotate forwardly. The auxiliary bevel gear 2 14 drives the main rotating shaft 11 connected thereto to rotate reversely. The main rotating shaft 11 drives the main fan 16 connected thereto to rotate reversely. At this time, the main fan 16 and the turbine 17 rotate, thereby realizing the suction operation. The suction dust removal device for a washing and sweeping vehicle provided by the utility model, compared with the front and rear fans of the prior art arranged in front and back, the main fan 16 and the turbine 17 are arranged in the same plane, thereby facilitating the separate disassembly and maintenance of the two.

[0034] In one embodiment, it further includes:

[0035] The main motor 18 is mounted on the surface of the gear box 10 . The output end of the main motor 18 extends into the gear box 10 and is connected to the main bevel gear 12 .

[0036] The working principle and beneficial effects of the above technical solution are:

[0037] The main motor 18 works, thereby driving the main bevel gear 12 installed at the output end of the main motor 18 to rotate, thereby providing power support for the rotation of the main bevel gear 12 .

[0038] In one embodiment, the main fan 16 is connected to the shaft end of the main shaft 11 via a mounting screw 19 .

[0039] The working principle and beneficial effects of the above technical solution are:

[0040] The mounting screw 19 is connected to the shaft end of the main shaft 11 , and the clamping block is located on the mounting screw 19 . After the mounting screw 19 is tightened, the clamping block is clamped on the main fan 16 , thereby achieving fixed connection of the main fan 16 on the main shaft 11 .

[0041] In one embodiment, the installation assembly includes:

[0042] A support casing 20, which is arranged in a trumpet shape, and has a plurality of air inlets 21 arranged in a circular array on the support casing 20, and the support casing 20 is fixedly connected to the inner ring of the turbine 17;

[0043] A mounting ring 22, the mounting ring 22 is integrally formed and connected to the rotating sleeve 15, and the end of the supporting casing 20 away from the turbine 17 is sleeved outside the rotating sleeve 15 and abuts against the mounting ring 22;

[0044] The limiting rods 23 are three in a circular array mounted on the mounting ring 22 , and the end of the support housing 20 away from the turbine 17 is provided with limiting holes adapted to the limiting rods 23 .

[0045] The working principle and beneficial effects of the above technical solution are:

[0046] The turbine 17 is supported and connected by a support cover 20, so that the main fan 16 and the turbine 17 are arranged in the same plane. During installation, the large-diameter end of the support cover 20 is fixedly connected to the inner ring of the turbine 17, and the small-diameter end of the support cover 20 is aligned and clamped on the limit rod 23, thereby completing the connection of the support cover 20 on the mounting ring 22.

[0047] In one embodiment, the rotating sleeve 15 is provided with an external thread at the end away from the auxiliary bevel gear 13, and the pressing cover 24 is installed on the external thread and is arranged against the end of the support cover 20 away from the turbine 17. The pressing cover 24 is arranged through the end of the main shaft 11 close to the main fan 16.

[0048] The working principle and beneficial effects of the above technical solution are:

[0049] The pressing cover 24 is installed at the end of the rotating sleeve 15 away from the auxiliary bevel gear 13, so as to abut against the small-diameter end of the supporting cover 20, so as to facilitate fixing the supporting cover 20.

[0050] In one embodiment, the installation assembly further comprises:

[0051] Centrifugal rods 25, four centrifugal rods 25 are circumferentially mounted on the rotating sleeve 15, centrifugal blocks 26 are mounted on the centrifugal rods 25, the ends of the centrifugal rods 25 away from the centrifugal blocks 26 are connected to the mounting seat 27 through the mounting shaft, and the mounting seat 27 is connected to the rotating sleeve 15;

[0052] A limiting slide groove 28, which is provided at the end of the centrifugal rod 25 close to the centrifugal block 26;

[0053] A push rod 29, one end of which is provided with a limit slider, which is slidably connected in the limit slide groove 28, and the other end of the push rod 29 is provided with a support plate, which is installed on the mounting ring 22;

[0054] The other end of the push rod 29 is against the rubber block 30 , and the rubber block 30 is attached to the end of the support housing 20 close to the mounting ring 22 .

[0055] The working principle and beneficial effects of the above technical solution are:

[0056] When the rotating sleeve 15 drives the turbine 17 to rotate forward, under the action of centrifugal force, the centrifugal block 26 drives the centrifugal rod 25 to turn outward on the mounting seat 27. With the cooperation of the limiting slide groove 28 and the limiting slider, the push rod 29 moves on the support plate toward the rubber block 30, and the rubber block 30 squeezes the small-diameter end of the support cover shell 20, thereby further fixing the support cover shell 20.

[0057] In one embodiment, a limiting coil spring is sleeved on the mounting shaft.

[0058] In one embodiment, a stopper rod for limiting the rotation of the centrifugal rod 25 is installed on the mounting seat 27 .

[0059] In one embodiment, the end of the centrifugal rod 25 close to the centrifugal block 26 is tilted away from the mounting ring 22 .

[0060] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A dust suction device for a washing and sweeping vehicle, comprising a gear box (10) and a main shaft (11) with one end rotatably mounted in the gear box (10), characterized in that: Also includes: A main bevel gear (12), a secondary bevel gear 1 (13) and a secondary bevel gear 2 (14) are located in a gear box (10), the secondary bevel gear 1 (13) and the secondary bevel gear 2 (14) are both meshed with the main bevel gear (12), a rotating sleeve (15) is sleeved on the main rotating shaft (11), the secondary bevel gear 1 (13) is mounted on the rotating sleeve (15), the secondary bevel gear 2 (14) is mounted on the main rotating shaft (11), a main fan (16) is mounted on the main rotating shaft (11), a turbine (17) is mounted on the rotating sleeve (15) through a mounting assembly, and the main fan (16) is located on the inner ring of the turbine (17).

2. The air suction and dust removal device for a washing and sweeping vehicle according to claim 1, characterized in that: Also includes: A main motor (18) is mounted on the surface of the gear box (10), and an output end of the main motor (18) extends into the gear box (10) and is connected to the main bevel gear (12).

3. The air suction and dust removal device for a washing and sweeping vehicle according to claim 1, characterized in that: The main fan (16) is connected to the shaft end of the main rotating shaft (11) through a mounting screw (19).

4. The air suction and dust removal device for a washing and sweeping vehicle according to claim 1, characterized in that: The mounting assembly comprises: a support housing (20), a mounting ring (22) and a limiting rod (23); the support housing (20) is arranged in a trumpet shape; a plurality of air inlets (21) are provided in a circular array on the support housing (20); the support housing (20) is fixedly connected to the inner ring of the turbine (17); the mounting ring (22) is integrally formed and connected to the rotating sleeve (15); the end of the support housing (20) away from the turbine (17) is sleeved outside the rotating sleeve (15) and abuts against the mounting ring (22); three limiting rods (23) are installed in a circular array on the mounting ring (22); and a limiting hole adapted to the limiting rod (23) is provided at the end of the support housing (20) away from the turbine (17).

5. The air suction and dust removal device for a washing and sweeping vehicle according to claim 4, characterized in that: An external thread is formed at the end of the rotating sleeve (15) away from the auxiliary bevel gear (13), and a pressing cover (24) is installed on the external thread and is arranged against the end of the supporting casing (20) away from the turbine (17). The pressing cover (24) is arranged through the end of the main rotating shaft (11) close to the main fan (16).

6. The air suction and dust removal device for a washing and sweeping vehicle according to claim 4, characterized in that: The mounting assembly further comprises: a centrifugal rod (25), a push rod (29) and a rubber block (30). The four centrifugal rods (25) are circumferentially mounted on the rotating sleeve (15). The centrifugal block (26) is mounted on the centrifugal rod (25). The end of the centrifugal rod (25) away from the centrifugal block (26) is connected to the mounting seat (27) through a mounting shaft. The mounting seat (27) is connected to the rotating sleeve (15). A limiting slide groove (28) is provided at the end of the centrifugal rod (25) close to the centrifugal block (26). A limiting slider is mounted on one end of the push rod (29). The limiting slider is slidably connected in the limiting slide groove (28). The other end of the push rod (29) is provided with a support plate, which is mounted on the mounting ring (22). The other end of the push rod (29) is abutted against the rubber block (30). The rubber block (30) is attached to the end of the support cover (20) close to the mounting ring (22).

7. The air suction and dust removal device for a washing and sweeping vehicle according to claim 6, characterized in that: A limit coil spring is sleeved on the installation shaft.

8. The air suction and dust removal device for a washing and sweeping vehicle according to claim 6, characterized in that: A stopper rod for rotating the limited centrifugal rod (25) is installed on the mounting seat (27).

9. The air suction and dust removal device for a washing and sweeping vehicle according to claim 6, characterized in that: The end of the centrifugal rod (25) close to the centrifugal block (26) is tilted away from the mounting ring (22).

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