A quick-release guide wheel mechanism for a crawler-type walking mechanism

Abstract

The present invention relates to a quick-release guide wheel mechanism for a crawler-type walking mechanism, comprising a wheel body, a rotating shaft, a support seat, and a floating seal assembly. The wheel body comprises a wheel core, a spoke, and a rim arranged outside the wheel core. The rim is coaxial with the wheel core. An arc-shaped notch extending along the circumference of the wheel core is arranged on the inner side of the wheel rim. A clamping groove is arranged at one end of the arc-shaped notch turning counterclockwise around the axis of the wheel rim. The clamping groove is open toward one end of the arc-shaped notch and the inner side. The end of the wheel spoke extends into the clamping groove. The length of the arc-shaped notch is not less than the width of the end of the wheel spoke. A plug is arranged in the arc-shaped notch. One end of the plug abuts against the side of the wheel spoke, and the other end of the plug abuts against the end of the arc-shaped notch. The plug is detachably mechanically connected to the wheel spoke or the wheel rim. The present invention separates the wheel rim and the wheel core. When the guide wheel is worn, only the wheel rim needs to be replaced, thereby reducing the maintenance and replacement cost. The installation method of the wheel rim and the wheel spoke adopts the method of inserting the wheel spoke into the clamping groove. The arc-shaped notch is blocked by the mechanically connected plug to limit the wheel spoke. The assembly and disassembly is convenient, and the connection mechanism is stable.

Description

Technical Field

[0001] The invention relates to the technical field of crawler equipment, and in particular to a quick-release guide wheel mechanism for a crawler walking mechanism. Background Art

[0002] The crawler-type walking mechanism usually includes a guide wheel, which is easy to wear during operation. The traditional method usually requires the wheel body to be replaced as a whole after the guide wheel is worn, which makes the maintenance cost high and the disassembly and assembly remain unchanged. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide a quick-release guide wheel mechanism for a crawler-type walking mechanism.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a quick-release guide wheel mechanism for a crawler walking mechanism, comprising a wheel body, a rotating shaft rotatably connected to the center of the wheel body, a support seat connected to both ends of the rotating shaft, and a floating seal assembly arranged between the support seat and the wheel body, the wheel body comprising a wheel core, spokes arranged on the outer periphery of the wheel core, and a rim arranged outside the wheel core, the rim being coaxial with the wheel core, an arc-shaped notch extending along the circumference of the rim being provided on the inner side of the rim, a clamping groove being provided at one end of the arc-shaped notch turning counterclockwise around the axis of the rim, the clamping groove being open towards one end and the inner side of the arc-shaped notch, the end of the spoke extending into the clamping groove, the length of the arc-shaped notch being not less than the width of the end of the spoke, a plugging block being provided in the arc-shaped notch, one end of the plugging block abutting against the side of the spoke, and the other end of the plugging block abutting against the end of the arc-shaped notch, and the plugging block being detachably mechanically connected to the spoke or the rim.

[0005] In the above design, the rim and the wheel core are set separately, and only the rim needs to be replaced when the guide wheel is worn, thereby reducing the maintenance and replacement costs. The rim and the spoke are installed by inserting the spoke into the slot, and the arc-shaped gap is blocked by a mechanically connected plug to limit the spoke. The disassembly and assembly are convenient, and the connection mechanism is stable.

[0006] As a further improvement of the present design, the plug is in a "7" shape and one horizontal side is in contact with the side surface of the spoke, so that the plug has high strength and a stable connection.

[0007] As a further improvement of the present design, a limiting groove is provided on the wheel rim at one end of the arc-shaped notch away from the clamping groove, and the limiting groove is open toward the arc-shaped notch and the inner side, and the end of the plug extends into the limiting groove. The limiting groove facilitates the positioning of the plug so that the plug does not need too many bolts when installing, thereby reducing the number of bolts for disassembling and assembling the plug.

[0008] As a further improvement of the present design, mounting grooves extending radially along the rotating shaft are provided at both ends of the rotating shaft, a limiting hole is provided on the side of the supporting seat, a positioning column is inserted into the limiting hole, both ends of the positioning column extend out of the limiting hole, the positioning column passes through the mounting groove, and a retaining spring is provided at the end of the positioning column extending out of the supporting seat. The mounting groove and the positioning facilitate the quick installation of the supporting seat and the rotating shaft, and are convenient for assembly and disassembly.

[0009] As a further improvement of the present design, a copper sleeve is sleeved on the rotating shaft, a flange is provided at the end of the copper sleeve and sandwiched between the supporting seat and the wheel core, an annular oil storage tank is provided at the center of the center hole of the wheel core, and sealing rings are provided at both ends of the rotating shaft. The flange ensures the stability of the gap between the supporting seat and the wheel core, and the sealing ring ensures the sealing between the rotating shaft and the supporting seat.

[0010] As a further improvement of the present design, an annular sealing groove is provided on the side of the support seat on the outside of the floating seal assembly opposite to the wheel core, a dustproof ring is sleeved between the support seat and the wheel core, the dustproof ring is provided with a fixing ring extending into the annular sealing groove, and the cross section of one side of the fixing ring is T-shaped. The structure of the dustproof ring ensures dustproof and waterproof performance between the movable parts of the guide wheel, thereby increasing the weather resistance of the guide wheel.

[0011] The beneficial effects of the present invention are as follows: the present invention arranges the wheel rim and the wheel core separately, and only the wheel rim needs to be replaced when the guide wheel is worn, thereby reducing the cost of repair and replacement; the wheel rim and the spoke are installed in a manner that the spoke is inserted into a slot, and the arc-shaped notch is blocked by a mechanically connected plug to limit the spoke, which makes disassembly and assembly convenient and the connection mechanism stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a front structural schematic diagram of the present invention.

[0014] Figure 2 It is a front cross-sectional schematic diagram of the present invention.

[0015] In the figure, 1. support seat, 2. arc-shaped notch, 3. retaining spring, 4. spoke, 5. positioning column, 6. plug, 7. rim, 8. oil storage tank, 9. copper sleeve, 10. dust ring, 11. limit groove, 12. fixing ring, 13. annular sealing groove, 14. floating seal assembly, 15. rotating shaft, 16. wheel core, 17. retaining groove, 18. installation groove, 19. limit hole, 20. flange, 21. sealing ring. DETAILED DESCRIPTION

[0016] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, wherein the illustrative embodiments and descriptions are only used to explain the present invention but are not intended to limit the present invention.

[0017] Embodiment: A quick-release guide wheel mechanism for a crawler-type walking mechanism, comprising a wheel body, a rotating shaft 15 rotatably connected to the center of the wheel body, a support seat 1 connected to both ends of the rotating shaft 15, and a floating seal assembly 14 arranged between the support seat 1 and the wheel body. The wheel body comprises a wheel core 16, a spoke 4 arranged on the outer periphery of the wheel core 16, and a wheel rim 7 arranged outside the wheel core 16. The wheel rim 7 is coaxial with the wheel core 16, and an arc-shaped notch 2 extending along the circumference of the wheel rim 7 is provided on the inner side of the wheel rim 7. A slot 17 is provided at one end of the arc-shaped notch 2 which turns counterclockwise around the axis of the rim 7. The slot 17 is open toward one end of the arc-shaped notch 2 and the inner side. The end of the spoke 4 extends into the slot 17. The length of the arc-shaped notch 2 is not less than the width of the end of the spoke 4. A plug 6 is provided in the arc-shaped notch 2. One end of the plug 6 abuts against the side of the spoke 4, and the other end of the plug 6 abuts against the end of the arc-shaped notch 2. The plug 6 is detachably mechanically connected to the spoke 4 or the rim 7.

[0018] In the above design, the rim 7 and the wheel core 16 are arranged separately, so that when the guide wheel is worn, only the rim 7 needs to be replaced, thereby reducing the maintenance and replacement costs. The rim 7 and the spoke 4 are installed in such a way that the spoke 4 is inserted into the slot 17, and the arc-shaped notch 2 is blocked by a mechanically connected plug 6 to limit the spoke 4. The assembly and disassembly is convenient, and the connection mechanism is stable.

[0019] As a further improvement of the present design, the plug 6 is in a "7" shape and one horizontal side is in contact with the side surface of the spoke 4. The plug 6 has high strength and a stable connection.

[0020] As a further improvement of the present design, a limiting groove 11 is provided on the wheel rim 7 at one end of the arc-shaped notch 2 away from the clamping groove 17, and the limiting groove 11 is open toward the arc-shaped notch 2 and the inner side, and the end of the plug 6 extends into the limiting groove 11. The limiting groove 11 facilitates the limiting of the plug 6 so that the plug 6 does not need too many bolts when installing, thereby reducing the number of bolts for disassembling and assembling the plug 6.

[0021] As a further improvement of the present design, mounting grooves 18 extending radially along the rotating shaft 15 are provided at both ends of the rotating shaft 15, and a limiting hole 19 is provided on the side of the supporting seat 1, and a positioning column 5 is inserted into the limiting hole 19, and both ends of the positioning column 5 extend out of the limiting hole 19, and the positioning column 5 passes through the mounting groove 18, and a retaining spring 3 is provided at the end of the positioning column 5 extending out of the supporting seat 1. The mounting groove 18 and the positioning facilitate the quick installation of the supporting seat 1 and the rotating shaft 15, and the disassembly is convenient.

[0022] As a further improvement of the present design, the rotating shaft 15 is sleeved with a copper sleeve 9, the end of the copper sleeve 9 is provided with a flange 20 sandwiched between the support seat 1 and the wheel core 16, the center of the center hole of the wheel core 16 is provided with an annular oil storage tank 8, and sealing rings 21 are provided at both ends of the rotating shaft 15. The flange 20 ensures the stability of the gap between the support seat 1 and the wheel core 16, and the sealing ring 21 ensures the sealing between the rotating shaft and the support seat 1.

[0023] As a further improvement of the present design, an annular sealing groove 13 is provided on the side of the support seat 1 on the outside of the floating seal assembly 14 opposite to the wheel core 16, a dust ring 10 is sleeved between the support seat 1 and the wheel core 16, the dust ring 10 is provided with a fixing ring 12 extending into the annular sealing groove 13, and the cross section of one side of the fixing ring 12 is T-shaped. The structure of the dust ring 10 ensures the dustproof and waterproof performance between the movable parts of the guide wheel, thereby increasing the weather resistance of the guide wheel.

[0024] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A quick-release guide wheel mechanism for a crawler-type walking mechanism, comprising a wheel body, a rotating shaft rotatably connected to the center of the wheel body, a support seat connected to both ends of the rotating shaft, and a floating seal assembly arranged between the support seat and the wheel body, characterized in that: The wheel body comprises a wheel core, spokes arranged on the outer periphery of the wheel core, and a rim arranged outside the wheel core, the rim being coaxial with the wheel core, an arc-shaped notch extending along the circumference of the rim being arranged on the inner side of the rim, a slot being arranged on one end of the arc-shaped notch turning counterclockwise around the axis of the rim, the slot being open towards one end of the arc-shaped notch and the inner side, the end of the spoke extending into the slot, the length of the arc-shaped notch being not less than the width of the end of the spoke, a plug being arranged in the arc-shaped notch, one end of the plug being abutting against the side surface of the spoke, and the other end of the plug being abutting against the end of the arc-shaped notch, the plug being detachably mechanically connected to the spoke or the rim, the plug being in a "7" shape and a horizontal side being in contact with the side surface of the spoke, a limiting groove being arranged on the rim at one end of the arc-shaped notch away from the slot, the limiting groove being open towards the arc-shaped notch and the inner side, and the end of the plug extending into the limiting groove.

2. The quick-release guide wheel mechanism for a crawler-type walking mechanism according to claim 1, characterized in that: Both ends of the rotating shaft are provided with mounting grooves extending radially along the rotating shaft, and the side of the support seat is provided with a limiting hole, a positioning column is inserted into the limiting hole, both ends of the positioning column extend out of the limiting hole, the positioning column passes through the mounting groove, and the end of the positioning column extending out of the support seat is provided with a retaining spring.

3. The quick-release guide wheel mechanism for a crawler-type walking mechanism according to claim 1, characterized in that: A copper sleeve is sleeved on the rotating shaft, a flange is provided at the end of the copper sleeve and clamped between the supporting seat and the wheel core, an annular oil storage groove is provided at the center of the center hole of the wheel core, and sealing rings are provided at both ends of the rotating shaft.

4. The quick-release guide wheel mechanism for a crawler-type walking mechanism according to claim 1, characterized in that: An annular sealing groove is provided on the side of the support seat on the outside of the floating seal assembly opposite to the wheel core, a dust ring is sleeved between the support seat and the wheel core, the dust ring is provided with a fixing ring extending into the annular sealing groove, and the cross section of one side of the fixing ring is T-shaped.

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