A hand-operated front wheel auxiliary walking wheel device for a floor scrubber

Abstract

This utility model discloses a manual front wheel auxiliary walking wheel device for a floor concrete machine. It is hinged to the front end of the machine head bearing side plate via a pin and includes: a frame, one end of which is hinged to the front end of the machine head bearing side plate via a first pin; an auxiliary support walking wheel assembly hinged to the frame; and a first positioning mechanism, including a first positioning pin hole on the frame, a first retractable positioning hole and a first auxiliary support positioning hole on the machine head bearing side plate, and a first positioning pin that can be inserted into the first positioning pin hole. The first positioning pin can be selectively inserted into either the first retractable positioning hole or the first auxiliary support positioning hole to achieve the frame being in a retracted position or an auxiliary support position relative to the machine head bearing side plate. This device eliminates the need for a traditional hand-cranked screw structure, enabling quick switching between the retracted and auxiliary support walking wheel assemblies, simplifying operation, saving effort, and effectively improving work efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of floor machine technology, and in particular relates to a manual front wheel auxiliary walking wheel device for floor machines. Background Technology

[0002] Competition in the flooring construction industry is intensifying, and market prices are continuously declining. To increase profit margins, construction teams urgently need to improve the efficiency of grinding operations. Currently, the main methods to improve grinding efficiency are to increase the number of grinding heads or to increase the grinding pressure applied to the floor by the grinding discs. However, both of these methods directly lead to a significant increase in the weight of the grinding heads.

[0003] Most mainstream floor grinders on the market currently use a hand-cranked screw-type front wheel auxiliary walking device. This structure adjusts the height of the front wheel by rotating the screw, thus achieving auxiliary support and retraction functions. However, with the significant increase in the weight of the machine head, raising and lowering the heavy machine head manually has become extremely strenuous for operators, greatly increasing their labor intensity and reducing work efficiency.

[0004] Furthermore, the hand-cranked screw mechanism has another significant drawback: to achieve sufficient lifting stroke, the screw is typically designed to be quite long. When the front wheel needs to be retracted, the extended screw often blocks the water tank or other front components of the equipment. This structural layout affects both ease of operation and safety. Utility Model Content

[0005] To address the problems existing in the prior art, this utility model provides a manual front wheel auxiliary walking wheel device for floor machines that has a compact and non-protruding structure when retracted.

[0006] This utility model is implemented as follows: a manual front wheel auxiliary walking wheel device for a flooring machine, which is hinged to the front end of the bearing side plate of the flooring machine head via a pin, is characterized by comprising: a frame, one end of which is hinged to the front end of the bearing side plate of the machine head via a first pin; an auxiliary support walking wheel assembly, hinged to the frame; and a first positioning mechanism, including a first positioning pin hole provided on the frame, a first retractable positioning hole and a first auxiliary support positioning hole provided on the bearing side plate of the machine head, and a first positioning pin that can be inserted into the first positioning pin hole; the first positioning pin can be selectively inserted into the first retractable positioning hole or the first auxiliary support positioning hole to realize that the frame is in the retractable position or the auxiliary support position relative to the bearing side plate of the machine head.

[0007] Further preferably, the frame includes a pair of symmetrically arranged frame side plates; each frame side plate includes: a first frame side plate segment, arranged parallel to the machine head bearing side plate; a second frame side plate bending segment, bent from the first frame side plate segment toward the center of the floor machine; a third frame side plate segment, extending from the second frame side plate bending segment and arranged parallel to the machine head bearing side plate; a connecting seat, fixedly disposed between the two third frame side plate segments; and a hinge seat, fixedly installed on the lower surface of the connecting seat, for hinged connection of the auxiliary support walking wheel assembly.

[0008] In a further preferred embodiment, at least one crossbeam is fixedly installed between the two frame side plates.

[0009] More preferably, the auxiliary support wheel assembly includes: a hinged lug plate hinged to the hinge seat via a second pin; a second positioning mechanism including a second positioning pin hole disposed on the hinge lug plate, a second retractable positioning hole and a second auxiliary support positioning hole disposed on the hinge seat, and a second positioning pin that can be inserted into the second positioning pin hole; the second positioning pin can be selectively inserted into the second retractable positioning hole or the second auxiliary support positioning hole to realize that the auxiliary support wheel assembly is in a retracted position or an auxiliary support position relative to the hinge seat.

[0010] More preferably, the auxiliary support walking wheel assembly further includes a support column and an auxiliary support walking wheel; the upper end of the support column has an upper connecting plate, which is connected to the lower end of the hinge ear plate; the lower end of the support column has a lower connecting plate, which is connected to the auxiliary support walking wheel.

[0011] More preferably, the auxiliary support wheel is a swivel wheel.

[0012] The advantages and technical effects of this utility model are as follows: The manual front wheel auxiliary walking wheel device for the floor machine of this utility model brings significant and multifaceted technical effects.

[0013] In terms of ease of operation, it abandons the traditional hand-cranked screw structure and uses the cooperation of positioning pins and positioning holes to quickly switch the frame and auxiliary support walking wheel assembly between the retracted and auxiliary support positions. The operation is simple and labor-saving, which greatly reduces the labor intensity of operators and effectively improves work efficiency.

[0014] In terms of spatial layout, the problem of the long screw being in front of the water tank or other front components has been solved, making the overall structure of the equipment more compact and reasonable, improving the convenience and safety of operation, and avoiding potential safety hazards caused by structural conflicts.

[0015] In terms of adaptability and stability, the omnidirectional wheel design allows the flooring machine to turn flexibly during movement and transportation, adapting to different site requirements; while the reasonable structural design of the frame and auxiliary support walking wheel assembly enhances the overall stability and rigidity of the equipment, making it less prone to deformation when bearing large loads. This ensures stable operation of the equipment under various working conditions, extends the service life of the equipment, reduces maintenance costs, and enhances the flooring machine's competitive advantage in the market. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the installation structure of the bearing side plate of the machine head;

[0018] Figure 3 This is a schematic diagram of the auxiliary support walking wheel assembly structure;

[0019] Figure 4 This is a diagram showing the manual front wheel auxiliary travel wheel device retracted during the grinding process;

[0020] Figure 5 This is a diagram showing the manual front wheel auxiliary walking wheel device in the lowered state during the walking and transportation process.

[0021] In the diagram: 100, Head bearing side plate; 101, First pin; 102, First retractable positioning hole; 103, First auxiliary support positioning hole; 104, First positioning pin; 200, Frame; 201, First positioning pin hole; 210, Frame side plate; 211, First frame side plate section; 212, Second frame side plate bending section; 213, Third frame side plate section; 220, Connecting seat; 230, Hinge seat; 231, Second pin; 232, Second retractable positioning hole; 233, Second auxiliary support positioning hole; 234, Second positioning pin; 240, Crossbeam; 300, Auxiliary support traveling wheel assembly; 310, Hinge ear plate; 311, Second positioning pin hole; 320, Support column; 321, Upper connecting plate; 322, Lower connecting plate; 330, Auxiliary support traveling wheel. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this utility model.

[0023] Please see Figures 1 to 5 A manual front wheel auxiliary walking wheel device for a flooring machine, hinged to the front end of the bearing side plate 100 of the flooring machine head via a pin, characterized in that it includes:

[0024] The frame 200 has one end hinged to the front end of the machine head bearing side plate 100 via a first pin 101. This design allows the frame to rotate flexibly, facilitating switching between the retracted and auxiliary support positions to meet different working conditions.

[0025] The auxiliary support walking wheel assembly 300 is hinged to the frame 200. This assembly provides auxiliary support and walking function for the floor machine, enhancing the stability of the equipment during movement and transportation, and reducing the labor intensity of the operators.

[0026] The first positioning mechanism includes a first positioning pin hole 201 on the frame 200, a first retractable positioning hole 102 and a first auxiliary support positioning hole 103 on the head bearing side plate 100, and a first positioning pin 104 that can be inserted into the first positioning pin hole 201. The first positioning pin 104 can be selectively inserted into the first retractable positioning hole 102 or the first auxiliary support positioning hole 103 to achieve the frame 200 being in the retracted position or the auxiliary support position relative to the head bearing side plate 100. This positioning method is simple and reliable, can accurately fix the position of the frame, ensure stable operation of the equipment under different working conditions, and improve operational safety and convenience.

[0027] More preferably, the frame 200 includes a pair of symmetrically arranged frame side plates 210; each frame side plate 210 includes:

[0028] The first frame side panel section 211 is set parallel to the head bearing side panel 100. The parallel design ensures a tight fit between the frame and the head bearing side panel, resulting in a compact structure and space saving.

[0029] The second frame side panel bending section 212 bends from the first frame side panel section 211 towards the center of the floor machine. The bending design provides space for the installation of other components while enhancing the overall strength of the frame.

[0030] The third frame side plate section 213 extends from the bent section 212 of the second frame side plate and is set parallel to the head bearing side plate 100. This further ensures the stability of the frame structure and makes the force transmission more even.

[0031] The connecting seat 220 is fixedly installed between the two third frame side plate sections 213. The connecting seat provides an installation base for other components and enhances the overall connectivity of the frame.

[0032] The hinge seat 230 is fixedly installed on the lower surface of the connecting seat 220 and is used to hinge the auxiliary support walking wheel assembly 300. The hinge design allows the auxiliary support walking wheel assembly to rotate flexibly, adapt to different ground conditions, and improve walking stability.

[0033] In a further preferred embodiment, at least one crossbeam 240 is fixedly installed between the two side panels 210 of the frame. The crossbeam increases the overall rigidity and stability of the frame, making it less prone to deformation under heavy loads and extending the service life of the equipment.

[0034] More preferably, the auxiliary support walking wheel assembly 300 includes:

[0035] The hinged ear plate 310 is hinged to the hinge seat 230 via the second pin 231. As a connecting component, the hinged ear plate ensures a firm connection between the auxiliary support traveling wheel assembly and the frame, while also allowing for flexible rotation.

[0036] The second positioning mechanism includes a second positioning pin hole 311 on the hinge ear plate 310, a second retractable positioning hole 232 and a second auxiliary support positioning hole 233 on the hinge seat 230, and a second positioning pin 234 that can be inserted into the second positioning pin hole 311. The second positioning pin 234 can be selectively inserted into the second retractable positioning hole 232 or the second auxiliary support positioning hole 233 to ensure that the auxiliary support traveling wheel assembly 300 is in the retracted position or the auxiliary support position relative to the hinge seat 230. This positioning mechanism ensures accurate positioning of the auxiliary support traveling wheel assembly under different working conditions, improving the stability and reliability of equipment operation.

[0037] In a further preferred embodiment, the auxiliary support wheel assembly 300 also includes a support column 320 and an auxiliary support wheel 330; the upper end of the support column 320 has an upper connecting plate 321, which connects to the lower end of the hinge ear plate 310; the lower end of the support column 320 has a lower connecting plate 322, which connects to the auxiliary support wheel 330. The support column provides support and transmits force, and the upper and lower connecting plate design makes the connection more robust, ensuring stable operation of the auxiliary support wheel.

[0038] Furthermore, the auxiliary support wheels 330 are preferably omnidirectional wheels. Omnidirectional wheels are highly flexible, allowing them to rotate freely in all directions, facilitating the flexible movement and turning of the floor machine in different locations and improving work efficiency.

[0039] Working principle

[0040] This device has two modes: grinding and traveling / transferring. In grinding mode, the first positioning pin 104 is inserted into the first retractable positioning hole 102, placing the frame 200 in the retracted position. Simultaneously, the second positioning pin 234 is inserted into the second retractable positioning hole 232, placing the auxiliary support traveling wheel assembly 300 in the retracted state as well. At this time, the grinding head of the floor machine is fully in contact with the ground for grinding operations, preventing the auxiliary traveling wheels from interfering with grinding accuracy. In traveling / transferring mode, the first positioning pin 104 and the second positioning pin 234 are removed, and the frame 200 is rotated to the auxiliary support position, inserting the first positioning pin 104 into the first auxiliary support positioning hole 103. Then, the auxiliary support traveling wheel assembly 300 is rotated to the auxiliary support position, inserting the second positioning pin 234 into the second auxiliary support positioning hole 233. At this time, the auxiliary support traveling wheel 330 is in contact with the ground, distributing the weight of the grinding head, allowing the operator to easily push the floor machine for traveling / transferring, reducing labor intensity.

[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A hand-operated front wheel auxiliary travel wheel device for a ride-on floor machine, which is hingedly mounted on the front end of a ride-on floor machine head load-bearing side plate (100) through a pin shaft, characterized in that, include: The frame (200) is hinged at one end to the front end of the head bearing side plate (100) via a first pin (101); An auxiliary support walking wheel assembly (300) is hinged to the frame (200); The first positioning mechanism includes a first positioning pin hole (201) provided on the frame (200), a first retractable positioning hole (102) and a first auxiliary support positioning hole (103) provided on the head bearing side plate (100), and a first positioning pin (104) that can be inserted into the first positioning pin hole (201); the first positioning pin (104) can be selectively inserted into the first retractable positioning hole (102) or the first auxiliary support positioning hole (103) to realize that the frame (200) is in the retractable position or the auxiliary support position relative to the head bearing side plate (100).

2. The manually assisted front wheel walk-on wheel device for a ride-on floor machine of claim 1, wherein: The frame (200) includes a pair of symmetrically arranged frame side plates (210); each of the frame side plates (210) includes: The first frame side plate section (211) is arranged parallel to the head bearing side plate (100); The second frame side plate bending section (212) bends from the first frame side plate section (211) toward the center of the floor machine; The third frame side plate section (213) extends from the second frame side plate bending section (212) and is arranged parallel to the head bearing side plate (100); The connecting seat (220) is fixedly installed between the two third frame side plate sections (213); The hinge seat (230) is fixedly installed on the lower surface of the connecting seat (220) and is used to hinge the auxiliary support walking wheel assembly (300).

3. The manually assisted front wheel walk-on wheel device for a ride-on floor machine of claim 2, wherein: At least one crossbeam (240) is also fixedly installed between the two frame side plates (210).

4. The manual front wheel auxiliary travel wheel device for a flooring machine according to claim 2 or 3, characterized in that: The auxiliary support walking wheel assembly (300) includes: The hinged ear plate (310) is hinged to the hinge seat (230) by a second pin (231); The second positioning mechanism includes a second positioning pin hole (311) provided on the hinge ear plate (310), a second retractable positioning hole (232) and a second auxiliary support positioning hole (233) provided on the hinge seat (230), and a second positioning pin (234) that can be inserted into the second positioning pin hole (311); the second positioning pin (234) can be selectively inserted into the second retractable positioning hole (232) or the second auxiliary support positioning hole (233) to realize that the auxiliary support walking wheel assembly (300) is in the retracted position or the auxiliary support position relative to the hinge seat (230).

5. The manually assisted front wheel walk-on wheel apparatus for a ride-on floor machine of claim 4, wherein: The auxiliary support walking wheel assembly (300) further includes a support column (320) and an auxiliary support walking wheel (330); the upper end of the support column (320) has an upper connecting plate (321) which is connected to the lower end of the hinge ear plate (310); the lower end of the support column (320) has a lower connecting plate (322) which is connected to the auxiliary support walking wheel (330).

6. The manually assisted front wheel walk-on wheel apparatus for a ride-on floor machine of claim 5, wherein: The auxiliary support walking wheel (330) is a swivel wheel.

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