Sweeping mechanism of road sweeper

By designing a bidirectional screw system driven by hydraulic cylinder and motor, the adjustment of the cleaning brush spacing of the road sweeper is realized, and the problem of fixed cleaning brush spacing in the existing technology is solved, and the cleaning efficiency and flexibility are improved.

CN222758783UActive Publication Date: 2025-04-15TIANJIN XINTIANFUCHENG CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202421445415.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-04-15
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

The cleaning brush spacing of existing road sweepers is fixed, making it difficult to adjust according to cleaning needs.

Method used

A road sweeper cleaning mechanism is designed to adjust the cleaning brush spacing through a bidirectional screw system driven by hydraulic cylinder and motor. The system includes a housing, hydraulic cylinder, motor, bidirectional screw, slider and base. The two-way screw is driven to rotate through the motor, and the slider and base move towards each other, adjusting the spacing of the cleaning brushes.

Benefits of technology

The function of dynamically adjusting the cleaning brush spacing according to cleaning needs is realized, improving cleaning efficiency and flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of road sweepers, in particular to a sweeping mechanism of a road sweeper, which comprises a shell, a first motor is fixed on one side of the shell, an output shaft of the first motor is connected with a first two-way screw rod through a coupler, and two sliding blocks and two bases are arranged in the shell. Clamping grooves matched with the top ends of the bases are formed in the bottom ends of the two sliding blocks correspondingly, limiting pieces are arranged on the two sides of the two sliding blocks correspondingly, screw holes matched with the first bidirectional lead screws are formed in the two sliding blocks correspondingly, second motors are fixed to the bottom ends of the two bases correspondingly, and sleeves are fixed to piston rods of the two second motors correspondingly; connecting discs are fixed to the bottom ends of the two sleeves, and cleaning brushes are connected to the bottom ends of the two connecting discs through bolts; the output shaft of the first motor drives the first bidirectional lead screw to rotate, the two sliding blocks move in the opposite direction, the two bases move in the opposite direction, the second motors at the bottom ends of the two bases move in the opposite direction, and then the distance between the two cleaning brushes can be adjusted according to needs.
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Description

Technical Field

[0001] The utility model relates to the technical field of road sweepers, in particular to a cleaning mechanism of a road sweeper. Background Art

[0002] The road sweeper is a new type of efficient cleaning equipment that integrates road cleaning, garbage collection and transportation. Simply put, it is a road sweeper modified on a special vehicle chassis with a road sweeping function. In addition to the chassis engine, the vehicle is equipped with an auxiliary engine. The sweeping brush is driven by a hydraulic motor and is equipped with a fan, a garbage bin, a water tank and other supporting equipment. Although the height of the sweeping brush on the road sweeper can be adjusted, the distance between the two sweeping brushes is generally fixed, which is not convenient to adjust the distance between the two sweeping brushes according to the cleaning needs. Therefore, a road sweeper cleaning mechanism is proposed to facilitate the adjustment of the distance between the two sweeping brushes. Utility Model Content

[0003] In view of the problems in the prior art, the utility model provides a cleaning mechanism for a road sweeper.

[0004] The technical solution adopted by the utility model to solve its technical problems is a cleaning mechanism of a road sweeper, comprising an outer shell, a connecting piece is provided above the outer shell, two hydraulic cylinders are fixed at the bottom end of the connecting piece, piston rods of the two hydraulic cylinders are connected to the outer shell, a first motor is fixed on one side of the outer shell, an output shaft of the first motor is connected to a first bidirectional screw rod through a coupling, an end of the first bidirectional screw rod away from the first motor is rotatably connected to the outer shell, two sliders and two bases are provided in the outer shell, the bottom ends of the two sliders are provided with a card groove adapted to the top end of the base, limit pieces are provided on both sides of the two sliders, screw holes adapted to the first bidirectional screw rod are opened on the two sliders, second motors are fixed to the bottom ends of the two bases, sleeves are fixed on the piston rods of the two second motors, connecting plates are fixed to the bottom ends of the two sleeves, and cleaning brushes are connected to the bottom ends of the two connecting plates by bolts.

[0005] By adopting the above technical solution, the output shaft of the first motor drives the first bidirectional screw to rotate, the two sliders move toward each other, the two bases move toward each other accordingly, and the second motor fixed at the bottom ends of the two bases move toward each other accordingly, so that the distance between the two cleaning brushes can be adjusted as needed. The output shafts of the two second motors drive the two sleeves to rotate, and the two connecting plates and the cleaning brushes rotate, thereby facilitating cleaning of the ground.

[0006] Specifically, the connecting member includes a connecting plate and a support, wherein a connecting plate is fixed in the support, two connecting blocks are mounted on the connecting plate, two through holes are provided on the two connecting blocks, a second bidirectional screw rod is provided in the support, one end of the second bidirectional screw rod is rotatably connected to the support, a knob is fixed to the other end of the second bidirectional screw rod, and screw holes matching the second bidirectional screw rod are provided on the two connecting blocks.

[0007] By adopting the above technical solution, the knob is rotated, and the knob drives the second bidirectional screw to rotate, and the two connecting blocks move toward each other. The distance between the two connecting blocks can be adjusted according to the position of the reserved holes on the road sweeper, so that the connecting block can be conveniently connected to the road sweeper using bolts.

[0008] Specifically, the limit member includes an inner shell and an insert block, the inner shell is connected to the slider, the insert block is arranged in the inner shell, both sides of the two sliders and the base are provided with slots adapted to the insert block, the side wall of the insert block is fixed with a guide rod, a spring is sleeved on the guide rod, and the inner shell is provided with a through hole adapted to the guide rod.

[0009] By adopting the above technical solution, the guide rods on both sides of the slider are pulled, and the two guide rods drive the two plug-ins to move, and the two plug-ins are disengaged from the slots on both sides of the base. The base can be slid to remove the base together with the second motor from the shell for maintenance.

[0010] Specifically, a pull ring is fixed to one end of the guide rod away from the insert block.

[0011] By adopting the above technical solution, the guide rod can be easily pulled by inserting a finger into the pull ring.

[0012] Specifically, a cross bar is fixed in the shell, and through holes matching the cross bar are provided on the two sliding blocks.

[0013] By adopting the above technical solution and setting the cross bar, the stability of the two sliding blocks can be improved.

[0014] Beneficial effects of the utility model:

[0015] (1) The utility model describes a cleaning mechanism for a road sweeper, in which the output shaft of the first motor drives the first bidirectional screw to rotate, the two sliders move toward each other, the two bases move toward each other accordingly, and the second motors fixed at the bottom ends of the two bases move toward each other accordingly, so that the spacing between the two cleaning brushes can be adjusted as needed, the output shafts of the two second motors drive the two sleeves to rotate, the two connecting plates and the cleaning brushes rotate, and the ground is cleaned conveniently.

[0016] (2) The cleaning mechanism of a road sweeper described in the utility model rotates the knob, which drives the second bidirectional screw to rotate, and the two connecting blocks move toward each other. The distance between the two connecting blocks can be adjusted according to the position of the reserved holes on the road sweeper, so that the connecting blocks can be conveniently connected to the road sweeper by bolts.

[0017] (3) The cleaning mechanism of a road sweeper described in the utility model pulls the guide rods on both sides of the slider, and the two guide rods drive the two plug-in blocks to move. The two plug-in blocks are disengaged from the slots on both sides of the base, and the base can be slid to remove the base together with the second motor from the housing for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a cross-sectional view of the housing of the utility model;

[0021] Figure 3 For the utility model Figure 2 A magnified view of the structure in the middle.

[0022] In the figure: 1. outer shell; 2. connecting part; 3. connecting plate; 4. connecting block; 5. support; 6. second bidirectional screw rod; 7. hydraulic cylinder; 8. first motor; 9. sleeve; 10. connecting plate; 11. cleaning brush; 12. slider; 13. cross bar; 14. first bidirectional screw rod; 15. base; 16. second motor; 17. limiter; 18. inner shell; 19. guide rod; 20. plug block; 21. spring; 22. pull ring. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] In order to facilitate the adjustment of the distance between the two cleaning brushes 11, as an embodiment of the present utility model, Figure 1 , Figure 2As shown, a road sweeper cleaning mechanism described in the utility model comprises a shell 1, a connecting member 2 is provided above the shell 1, two hydraulic cylinders 7 are fixed to the bottom end of the connecting member 2 by bolts, the piston rods of the two hydraulic cylinders 7 are connected to the shell 1 by bolts, a first motor 8 is fixed to one side of the shell 1 by bolts, the output shaft of the first motor 8 is connected to a first bidirectional screw rod 14 by a coupling, the end of the first bidirectional screw rod 14 away from the first motor 8 is rotatably connected to the shell 1, and two sliding Block 12 and two bases 15, the bottom ends of the two sliders 12 are provided with a slot adapted to the top of the base 15, both sides of the two sliders 12 are provided with limit members 17, the two sliders 12 are provided with screw holes adapted to the first bidirectional screw rod 14, the bottom ends of the two bases 15 are fixed with second motors 16 by bolts, the piston rods of the two second motors 16 are fixed with sleeves 9 by bolts, the bottom ends of the two sleeves 9 are welded and fixed with connecting plates 10, and the bottom ends of the two connecting plates 10 are connected with cleaning brushes 11 by bolts.

[0025] When in use, the output shaft of the first motor 8 drives the first bidirectional screw rod 14 to rotate, the two sliders 12 move toward each other, the two bases 15 move toward each other accordingly, and the second motor 16 fixed at the bottom ends of the two bases 15 move toward each other accordingly, so that the distance between the two cleaning brushes 11 can be adjusted as needed. The output shafts of the two second motors 16 drive the two sleeves 9 to rotate, and the two connecting plates 10 and the cleaning brushes 11 rotate to facilitate cleaning of the ground.

[0026] In order to facilitate the connection with the road sweeper, for example, Figure 1 As shown, the connecting member 2 includes a connecting plate 3 and a support 5, the connecting plate 3 is welded and fixed in the support 5, two connecting blocks 4 are sleeved on the connecting plate 3, two through holes are provided on the two connecting blocks 4, a second bidirectional screw rod 6 is provided in the support 5, one end of the second bidirectional screw rod 6 is rotatably connected to the support 5, a knob is welded and fixed on the other end of the second bidirectional screw rod 6, and screw holes adapted to the second bidirectional screw rod 6 are provided on the two connecting blocks 4.

[0027] When in use, rotate the knob, the knob drives the second bidirectional screw rod 6 to rotate, and the two connecting blocks 4 move toward each other. The distance between the two connecting blocks 4 can be adjusted according to the position of the reserved holes on the road sweeper, and the end of the bolt is passed through the through hole on the connecting block 4, so that the connecting block 4 can be conveniently connected to the road sweeper with the bolt.

[0028] In order to facilitate the removal of the base 15, for example, Figure 2 , Figure 3As shown, the limit member 17 includes an inner shell 18 and an insert block 20. The inner shell 18 is welded to the slider 12. The insert block 20 is arranged in the inner shell 18. Both sides of the two sliders 12 and the base 15 are provided with slots adapted to the insert block 20. A guide rod 19 is welded and fixed to the side wall of the insert block 20. A spring 21 is sleeved on the guide rod 19. A through hole adapted to the guide rod 19 is provided on the inner shell 18.

[0029] When in use, the guide rods 19 on both sides of the slider 12 are pulled, and the two guide rods 19 drive the two plug blocks 20 to move, and the two plug blocks 20 are disengaged from the slots on both sides of the base 15. The base 15 can be slid to remove the base 15 together with the second motor 16 from the housing 1 for maintenance.

[0030] In order to facilitate pulling the guide rod 19, exemplary, as Figure 3 As shown, a pull ring 22 is welded and fixed to one end of the guide rod 19 away from the insert block 20 .

[0031] In order to improve the stability of the slider 12, for example, Figure 2 As shown, a cross bar 13 is welded and fixed inside the housing 1 , and through holes matching the cross bar 13 are formed on the two sliders 12 .

[0032] When the utility model is in use, the knob is rotated, and the knob drives the second bidirectional screw rod 6 to rotate, and the two connecting blocks 4 move toward each other. The distance between the two connecting blocks 4 can be adjusted according to the position of the reserved holes on the road sweeper, and the end of the bolt is passed through the through hole on the connecting block 4, so that the connecting block 4 is conveniently connected to the road sweeper by bolts;

[0033] The piston rods of the two hydraulic cylinders 7 drive the housing 1 to move vertically, which is convenient for adjusting the height of the housing 1 and the cleaning brush 11. The output shaft of the first motor 8 drives the first bidirectional screw 14 to rotate, and the two sliders 12 move toward each other, and the two bases 15 move toward each other accordingly. The second motors 16 fixed at the bottom ends of the two bases 15 move toward each other accordingly, and the spacing between the two cleaning brushes 11 can be adjusted as needed. The output shafts of the two second motors 16 drive the two sleeves 9 to rotate, and the two connecting plates 10 and the cleaning brush 11 rotate, which is convenient for cleaning the ground;

[0034] By pulling the pull rings 22 on both sides of the slider 12, the two guide rods 19 drive the two insert blocks 20 to move, and the two insert blocks 20 are disengaged from the slots on both sides of the base 15. The base 15 can be slid to remove the base 15 together with the second motor 16 from the housing 1 for maintenance.

[0035] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A road sweeper cleaning mechanism, characterized in that: The invention comprises a housing (1), a connecting member (2) is provided above the housing (1), two hydraulic cylinders (7) are fixed at the bottom end of the connecting member (2), the piston rods of the two hydraulic cylinders (7) are connected to the housing (1), a first motor (8) is fixed to one side of the housing (1), the output shaft of the first motor (8) is connected to a first bidirectional screw rod (14) through a coupling, the end of the first bidirectional screw rod (14) away from the first motor (8) is rotatably connected to the housing (1), and two sliders (12) and two bases (15) are provided inside the housing (1). ), the bottom ends of the two sliders (12) are provided with a slot adapted to the top end of the base (15), both sides of the two sliders (12) are provided with a limiter (17), the two sliders (12) are provided with a screw hole adapted to the first bidirectional screw rod (14), the bottom ends of the two bases (15) are fixed with a second motor (16), the piston rods of the two second motors (16) are fixed with a sleeve (9), the bottom ends of the two sleeves (9) are fixed with a connecting plate (10), and the bottom ends of the two connecting plates (10) are connected with a cleaning brush (11) by bolts.

2. A road sweeper cleaning mechanism according to claim 1, characterized in that: The connecting member (2) comprises a connecting plate (3) and a support (5), wherein the connecting plate (3) is fixed inside the support (5), two connecting blocks (4) are sleeved on the connecting plate (3), and two through holes are provided on the two connecting blocks (4), a second bidirectional screw rod (6) is provided inside the support (5), one end of the second bidirectional screw rod (6) is rotatably connected to the support (5), a knob is fixed to the other end of the second bidirectional screw rod (6), and screw holes matching the second bidirectional screw rod (6) are provided on the two connecting blocks (4).

3. A road sweeper cleaning mechanism according to claim 1, characterized in that: The limiting member (17) comprises an inner shell (18) and an insert block (20), wherein the inner shell (18) is connected to the slider (12), the insert block (20) is arranged in the inner shell (18), slots adapted to the insert block (20) are arranged on both sides of the two sliders (12) and the base (15), a guide rod (19) is fixed to the side wall of the insert block (20), a spring (21) is sleeved on the guide rod (19), and a through hole adapted to the guide rod (19) is arranged on the inner shell (18).

4. A road sweeper cleaning mechanism according to claim 3, characterized in that: A pull ring (22) is fixed to one end of the guide rod (19) away from the insert block (20).

5. A road sweeper cleaning mechanism according to claim 1, characterized in that: A crossbar (13) is fixed inside the housing (1), and through holes matching the crossbar (13) are provided on the two sliding blocks (12).