Double-wheel heavy-load walking mechanism

Abstract

The utility model belongs to the technical field of window cleaning machines, and relates to a double-wheel heavy-load walking mechanism which comprises a window cleaning machine track, a walking box body, a vertical shaft arranged on the walking box body and two speed reducing motors installed on one side of the walking box body in parallel, and output shafts of the speed reducing motors extend into the walking box body and are connected with driving shafts. Traveling wheels are installed on the driving shaft, and the gear motor drives the traveling wheels to roll along the window cleaning machine track through the driving shaft. The two gear motors are used for driving the shafts respectively, the two driving shafts drive the walking wheels to roll along the window cleaning machine track respectively, and the local load applied to the window cleaning machine track by the single walking wheel is effectively reduced; according to the utility model, the local load on the rail of the window-cleaning machine can be reduced, the deformation and crushing of the rail of the window-cleaning machine caused by larger local stress are avoided, and the service life of the rail of the window-cleaning machine is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to window cleaning machine technical field relates to a double wheel heavy load walking mechanism. BACKGROUND

[0002] The window cleaning machine is a kind of constant suspension proximity equipment for the window and outer wall cleaning, maintenance and other operations of building or structure.The walking mechanism of the window cleaning machine disclosed in the prior art patent with the authorization announcement No.CN215914400U includes a reduction motor and a wheel carrier, the reduction motor is connected with the wheel carrier, a rotating shaft and a mounting plate are installed on the top plate of the wheel carrier, a rotating shaft through hole is formed in the center position of the mounting plate, a walking wheel shaft is rotatably installed in the wheel carrier by bearing, the walking wheel shaft is driven by the reduction motor, and a walking wheel is fixed on the walking wheel shaft;The wheel surface section of the walking wheel is a convex circular arc shape.The line contact between the walking wheel and the track in the prior art is changed to point contact, which greatly reduces the contact area between the walking wheel and the track, reduces the wear of the walking wheel and prolongs the service life of the walking wheel.

[0003] But the walking mechanism still has the following deficiencies in actual use: since only one reduction motor and walking wheel are arranged on the wheel carrier, the walking wheel needs to bear heavy local load, so that the window cleaning machine track is prone to deformation and crushing due to large local stress, which shortens the service life of the window cleaning machine track. SUMMARY

[0004] The utility model provides a double wheel heavy load walking mechanism for the above problems, which can reduce the local load on the window cleaning machine track, avoid deformation and crushing of the window cleaning machine track due to large local stress, and prolong the service life of the window cleaning machine track.

[0005] According to the technical scheme of the utility model: a double wheel heavy load walking mechanism, including window cleaning machine track, its characterized in that: walking box, set up on the walking box vertical shaft subassembly and parallel installation in the walking box one side two reduction motors, the output shaft of reduction motor is connected with driving shaft in the walking box, walking wheel is installed on the driving shaft, and the reduction motor drives the walking wheel to roll along the window cleaning machine track through the driving shaft.

[0006] As a further improvement of the utility model, a rotating shaft is rotatably connected to the walking box, and the bottom end of the vertical shaft subassembly is rotatably connected to the rotating shaft.

[0007] As a further improvement of the utility model, the output shaft of the reduction motor is connected to the driving shaft by means of a flat key.

[0008] As a further improvement of the utility model, the horizontal side guide wheel assembly is symmetrically arranged on the left and right sides of the window cleaning machine track, and the horizontal side guide wheel assembly is installed on the walking box body.

[0009] As a further improvement of the utility model, two bearing seats are symmetrically arranged in the walking box body, a self-aligning roller bearing is arranged in the bearing seat, the outer ring of the self-aligning roller bearing is connected with the bearing seat, and the inner ring of the bearing seat is connected with the driving shaft.

[0010] As a further improvement of the utility model, the vertical shaft assembly comprises a central shaft and a vertical shaft shell rotatably sleeved outside the central shaft, and the lower end of the central shaft is rotatably connected with the rotating shaft.

[0011] The vertical shaft shell is rotatably supported on the central shaft through a bearing.

[0012] As a further improvement of the utility model, the horizontal side guide wheel assembly comprises two guide wheel frames symmetrically installed on the front end of the walking box body, one guide wheel is installed on each guide wheel frame, and the guide wheels rollingly and limitingly contact the side edges of the window cleaning machine roller way.

[0013] The technical effect of the utility model lies in that two reduction motors drive two driving shafts respectively, and the two driving shafts drive the walking wheels to roll along the window cleaning machine track, thereby effectively reducing the local load applied to the window cleaning machine track by a single walking wheel; the utility model can reduce the local load borne by the window cleaning machine track, avoid deformation and crushing of the window cleaning machine track caused by large local stress, and prolong the service life of the window cleaning machine track 9. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the overall structure of the utility model.

[0015] Figure 2 It is a top view of the utility model.

[0016] Figure 3 It is a right view of the utility model.

[0017] Figure 4 It is Figure 3 It is a sectional view of A-A.

[0018] Figure 5 It is Figure 3 It is a sectional view of B-B. DETAILED DESCRIPTION

[0019] The specific embodiments of the utility model will be described below in combination with the drawings.

[0020] In order for those skilled in the art to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application, and the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0021] Figures 1-5 In the present application, a double-wheel heavy-load walking mechanism comprises a window-cleaning machine track 9, a walking box body 3, a vertical shaft assembly 1 arranged on the walking box body 3, and two speed reducer motors 4 arranged in parallel on one side of the walking box body 3. The output shaft of the speed reducer motor 4 extends into the walking box body 3 and is connected with a driving shaft 5. The driving shaft 5 is provided with a walking wheel 7. The speed reducer motor 4 drives the walking wheel 7 to roll along the window-cleaning machine track 9 through the driving shaft 5.

[0022] The two speed reducer motors 4 respectively drive the two driving shafts 5, and the two driving shafts 5 respectively drive the walking wheels 7 to roll along the window-cleaning machine track 9, effectively reducing the local load applied by the single walking wheel 7 to the window-cleaning machine track 9. The present application can reduce the local load applied to the window-cleaning machine track 9, avoid the deformation and crushing of the window-cleaning machine track 9 caused by the large local stress, and prolong the service life of the window-cleaning machine track 9. Meanwhile, the simultaneous driving of the two speed reducer motors 4 can also achieve double driving force.

[0023] The walking box body 3 is rotatably connected with a rotating shaft 2, and the bottom end of the vertical shaft assembly 1 is rotatably connected with the rotating shaft 2. In the present embodiment, the walking box body 3 can swing around the rotating shaft 2, thereby playing a regulating role, which can prevent the situation that only one walking wheel 7 is under pressure or one walking wheel 7 is under relatively large pressure during work, causing the single speed reducer motor 4 to work under overload and the driving force to be insufficient, and the equipment cannot walk.

[0024] It can be understood that the vertical shaft assembly 1 comprises a central shaft 1-1 and a vertical shaft shell 1-2 rotatably sleeved on the outside of the central shaft 1-1, and the lower end of the central shaft 1-1 is rotatably connected with the rotating shaft 2.

[0025] The vertical shaft shell 1-2 is rotatably supported on the central shaft 1-1 by a bearing.

[0026] The output shaft of the speed reducer motor 4 and the driving shaft 5 are connected by a flat key. In the present embodiment, the output shaft of the speed reducer motor 4 and the driving shaft 5 are connected by a flat key.

[0027] The horizontal side guide wheel assembly 8 is symmetrically arranged on the left and right sides of the window cleaning machine track 9 and is installed on the walking box body 3.

[0028] Further, the horizontal side guide wheel assembly 8 comprises two guide wheel frames 8-1 symmetrically installed on the front end of the walking box body 3, and one guide wheel 8-2 is installed on each of the guide wheel frames 8-1.

[0029] Two bearing seats are symmetrically arranged in the walking box body 3, a self-aligning roller bearing 6 is arranged in the bearing seat, the outer ring of the self-aligning roller bearing 6 is connected with the bearing seat, and the inner ring of the bearing seat is connected with the driving shaft 5; in the embodiment, the driving shaft 5 is installed through the self-aligning roller bearing 6 and the bearing seat, so that the rotation of the driving shaft 5 in the walking box body 3 is smoother.

[0030] The utility model discloses a double wheel heavy load walking mechanism for window cleaning machine, and the walking mechanism comprises a vertical shaft assembly, a rotating shaft 2, a walking box body 3, a speed reducer motor 4, a driving shaft 5, a self-aligning roller bearing 6, a walking wheel 7, a horizontal side guide wheel assembly 8 and a window cleaning machine track 9. The vertical shaft assembly is installed above the walking box body 3 and is connected with the walking box body 3 through the rotating shaft 2, the speed reducer motor 4 is installed on the side of the walking box body 3, one end of the driving shaft 5 is connected with the output shaft hole of the speed reducer motor 4 through a key, and the other end is connected with the walking wheel 7 through a key, the self-aligning roller bearing 6 is installed on the walking box body 3, the outer ring is matched with the bearing seat on the walking box body 3, and the inner ring is matched with the driving shaft 5. The walking wheel 7 is pressed on the window cleaning machine track 9, the window cleaning machine track 9 is fixedly installed on the building structure roof, the horizontal side guide wheel frame is installed on the walking box body 3, and the horizontal side guide wheel is located on the two sides of the window cleaning machine track 9. The walking mechanism can bear super load, two walking wheels 7 are installed, the single-point stress can be distributed to the two wheels, the local stress of the window cleaning machine track 9 can be reduced, the risk of track deformation and crushing can be reduced, two independent speed reducer motor 4 driving walking wheel systems are provided, the two speed reducer motors 4 drive one walking wheel 7 through the driving shaft 5 and work together to provide driving force for equipment walking, the walking box body 3 can swing around the rotating shaft 2, plays a regulating role, can prevent only one walking wheel 7 from bearing pressure or one walking wheel 7 from bearing relatively large pressure, causes the speed reducer motor 4 to work under overload, the driving force is insufficient, the equipment cannot walk, and the speed reducer motor 4 is prone to damage, and the horizontal side guide wheel assembly 8 is located on the two sides of the window cleaning machine track 9 flange, plays a guiding role during work, and can prevent the walking wheel 7 from deviating from the window cleaning machine track 9.

[0031] Finally, it should be explained that the above specific embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A dual-wheel heavy-duty walking mechanism, comprising a window cleaning machine track (9), characterized in that: The walking box (3), the vertical shaft assembly (1) set on the walking box (3) and the two geared motors (4) installed in parallel on one side of the walking box (3), the output shaft of the geared motor (4) extends into the walking box (3) and is connected to the drive shaft (5), the driving shaft (5) is equipped with a walking wheel (7), and the geared motor drives the walking wheel (7) to roll along the window cleaning machine track (9) through the drive shaft (5).

2. The dual-wheel heavy-duty walking mechanism as described in claim 1, characterized in that: The walking box (3) is rotatably connected to a rotating shaft (2), and the bottom end of the vertical shaft assembly (1) is rotatably connected to the rotating shaft (2).

3. The dual-wheel heavy-duty walking mechanism as described in claim 2, characterized in that: The vertical shaft assembly (1) includes a central shaft (1-1) and a vertical shaft housing (1-2) rotatably sleeved on the outside of the central shaft (1-1). The lower end of the central shaft (1-1) is rotatably connected to the rotating shaft (2). The vertical shaft housing (1-2) is rotatably supported on the central shaft (1-1) by bearings.

4. The dual-wheel heavy-duty walking mechanism as described in claim 1, characterized in that: The output shaft of the geared motor (4) is connected to the drive shaft (5) by a flat key.

5. The dual-wheel heavy-duty walking mechanism as described in claim 1, characterized in that: The left and right sides of the window cleaning machine track (9) are symmetrically provided with horizontal side guide wheel assemblies (8), which are installed on the walking box (3).

6. The dual-wheel heavy-duty walking mechanism as described in claim 5, characterized in that: The horizontal side guide wheel assembly (8) includes two guide wheel frames (8-1) symmetrically installed at the front end of the walking box (3), and a guide wheel (8-2) is installed on each guide wheel frame (8-1). The guide wheel (8-2) makes side rolling limit contact with the window cleaning machine track (9).

7. The dual-wheel heavy-duty walking mechanism as described in claim 1, characterized in that: Two bearing seats are symmetrically arranged inside the walking box (3). A self-aligning roller bearing (6) is installed inside the bearing seat. The outer ring of the self-aligning roller bearing (6) is connected to the bearing seat, and the inner ring of the bearing seat is connected to the drive shaft (5).

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