Walking wheel for miniature walking tractor
The design, which connects and mounts the tracks using a symmetrical left and right wheel mechanism, solves the problems of unstable walking wheels and insufficient traction in micro hand-held tractors, achieving higher traction and walking stability, and making full use of engine power.
Patent Information
- Application Number
- CN202520048605.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-09
AI Technical Summary
The existing mini hand-held tractors have too thin wheels, resulting in unstable movement and insufficient traction, which prevents them from fully utilizing the engine's power.
Design a walking wheel for a miniature hand-held tractor. It adopts a symmetrical left wheel mechanism and a right wheel mechanism connected by a central axle, and tracks are installed on the wheels. The central axle acts as the drive shaft to drive the tracks to move and propel the machine.
It increases adhesion, improves walking stability, and allows for better utilization of engine power, enabling stable movement.
Smart Images
Figure CN223605698U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tractor technical field especially relates to a walking wheel for micro hand tractor. BACKGROUND
[0002] The current walking wheel of hand tractor is basically double wheels, which is too thin, unstable, has small adhesion and cannot fully exert the power of the engine.
[0003] The utility model provides a double wheel structure for micro hand tractor, which can increase adhesion, is stable in walking and is beneficial to fully exert the power of the engine. CONTENT OF UTILITY MODEL
[0004] The utility model discloses a walking wheel for micro hand tractor, which effectively solves the problems in the background art.
[0005] To achieve the above object, the utility model adopts the following technical scheme: a walking wheel for micro hand tractor, comprising a middle shaft, a left wheel mechanism and a right wheel mechanism, the left wheel mechanism and the right wheel mechanism are symmetrical and have the same structure, and the upper parts are connected together by the middle shaft.
[0006] Preferably, the left wheel mechanism comprises two symmetrical triangular support plates, an axle sleeve is arranged on the top end corner of the support plate, a bearing is installed in the axle sleeve, an open slot in horizontal direction is arranged on the front corner of the lower side of the support plate, an axle hole is arranged on the rear corner of the lower side of the support plate, a fixed plate is arranged on the middle part of the support plate at the same height as the open slot, bolt holes are formed in the fixed plate, the middle shaft is installed in the bearing hole at the top of the two symmetrical triangular support plates, an upper wheel is fixedly installed on the middle shaft between the two symmetrical triangular support plates, a front wheel is installed in the open slot on the lower side, a rear wheel is installed in the axle hole at the rear end, the rear wheel is fixed on the support plate by two rear wheel fixing nuts, one end of a pull rod is sleeved on the front wheel shaft of the front wheel, the other end of the pull rod passes through the bolt hole in the fixed plate and is locked by a pull rod nut, and the bearing in the axle sleeve is fixed by a jackscrew arranged on the axle sleeve of the support plate.
[0007] Preferably, a spring is sleeved on the pull rod to tension the pull rod and the fixed plate.
[0008] Preferably, a track is sleeved on the upper wheel, the front wheel and the rear wheel.
[0009] Preferably, the middle shaft is installed with the left wheel mechanism at one end and the right wheel mechanism at the other end.
[0010] Preferably, the middle shaft is a driving shaft, the middle shaft drives the upper wheel to rotate, the upper wheel drives the track to move, the track drives the front wheel and the rear wheel to rotate, and thus the micro hand tractor is driven to move.
[0011] The utility model discloses a beneficial effect: increase the adhesion, walking stability, benefit and distribute the power of engine. BRIEF DESCRIPTION OF DRAWINGS
[0012] BRIEF DESCRIPTION OF DRAWINGS Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0013] BRIEF DESCRIPTION OF DRAWINGS Figure 1 Among them, the middle shaft 1, the upper wheel 2, the shaft sleeve 3, the bearing 4, the jackscrew 5, the support plate 6, the open slot 7, the front wheel shaft 8, the spring 9, the front wheel 10, the pull rod 11, the fixed plate 12, the pull rod nut 13, the rear wheel fixing nut 14, the rear wheel 15, the track 16. DETAILED DESCRIPTION
[0014] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the ordinary skilled in the art without creative work based on the embodiments in the utility model belong to the protection scope of the utility model.
[0015] BRIEF DESCRIPTION OF DRAWINGS Figure 1 Among them, a kind of walking wheel for micro hand tractor, including middle shaft, left wheel mechanism, right wheel mechanism, the left wheel mechanism, right wheel mechanism are symmetrical identical structure, with middle shaft is connected together in upper part.
[0016] Preferably, taking left wheel mechanism as an example, including two symmetrical triangular support plates 6, one shaft sleeve 3 is arranged on the outer side of the top end corner of support plate 6, bearing 4 is installed in shaft sleeve 3, one horizontal open slot 7 is arranged in the front corner of the lower side of support plate 6, one shaft hole is arranged in the rear corner of the lower side, one fixed plate 12 is arranged in the middle part of support plate 6 with the same height position of open slot 7, bolt hole is formed in fixed plate 12, middle shaft 1 is installed in the bearing hole of the top of two symmetrical triangular support plates 6, upper wheel 2 is fixedly installed on the middle shaft 1 between two symmetrical triangular support plates 6, front wheel 10 is installed in the open slot 7 of the lower side, rear wheel 15 is installed in the shaft hole of the rear end, rear wheel is fixed on support plate 6 by two rear wheel fixing nuts 14, one end of pull rod 11 is sleeved on the front wheel shaft 8 of front wheel 10, pull rod 11 is locked by pull rod nut 13 after passing through the bolt hole of fixed plate 12;Jackscrew 5 is arranged on the shaft sleeve of support plate 6 and fixes bearing 4 in the shaft sleeve.
[0017] Spring 9 is sleeved on pull rod 11, and pull rod and fixed plate 12 are tensioned.
[0018] Track 16 is sleeved on upper wheel 2, front wheel 10 and rear wheel 15.
[0019] The middle shaft is provided with a left wheel mechanism at one end and a right wheel mechanism at the other end.
[0020] The middle shaft 1 is a driving shaft, and the middle shaft 1 drives the upper wheel 2 to rotate, the upper wheel 2 drives the crawler belt 16 to move, and the crawler belt drives the front wheel and the rear wheel to rotate, thereby driving the mini hand-operated tractor to move.
[0021] Beneficial effects: increase adhesion, walking stability, and benefit to heavy distribution of engine power.
[0022] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. A walking wheel for a micro walk behind tractor, characterized by: It includes the central axis, left wheel mechanism, right wheel mechanism, the left wheel mechanism, right wheel mechanism is symmetrical same structure, with central axis connects together on the upper part, with left wheel mechanism as an example, including two symmetrical triangular support plate, support plate top end corner outside is provided with a shaft sleeve, bearing is installed in the shaft sleeve, support plate lower side front corner is provided with a horizontal direction opening slot, lower side rear corner is provided to have a shaft hole, support plate middle part is equipped with a fixed plate with the opening slot same height position, fixed plate is equipped with bolt hole, two symmetrical triangular support plate is installed in the bearing hole of top portion with central axis, two symmetrical triangular support plate between the central axis is fixedly installed upper wheel, the opening slot in the lower side is installed with front wheel, rear end shaft hole is installed with rear wheel, rear wheel is fixed with two rear wheel fixed nut on support plate, the front wheel axle of front wheel is installed with one end of pull rod, the other end of pull rod is locked with pull rod nut after passing through the bolt hole of fixed plate, the shaft sleeve of support plate is provided with the top silk and is fixed with bearing in the shaft sleeve.
2. A walking wheel for a miniature walk-behind tractor according to claim 1, characterized in that: A spring is installed on the pull rod, and the pull rod and the fixed plate are tensioned.
3. A walking wheel for a miniature walk-behind tractor according to claim 1, characterized in that: A track is installed on the upper wheel, front wheel and rear wheel.
4. A walking wheel for a miniature walk-behind tractor according to claim 1, characterized in that: One end of the central axis is installed with the left wheel mechanism, and the other end is installed with the right wheel mechanism.
5. A walking wheel for a miniature walk-behind tractor according to claim 1, characterized in that: The central axis is a driving shaft, the central axis drives the upper wheel to rotate, the upper wheel drives the track to move, the track drives the front wheel and the rear wheel to rotate, thereby driving the micro hand tractor to move.