CN2304571Y - Steerable wheel assembly for mini-plough with single caterpillar - Google Patents
Steerable wheel assembly for mini-plough with single caterpillar Download PDFInfo
- Publication number
- CN2304571Y CN2304571Y CN 97240392 CN97240392U CN2304571Y CN 2304571 Y CN2304571 Y CN 2304571Y CN 97240392 CN97240392 CN 97240392 CN 97240392 U CN97240392 U CN 97240392U CN 2304571 Y CN2304571 Y CN 2304571Y
- Authority
- CN
- China
- Prior art keywords
- steerable wheel
- wheel
- track adjusting
- adjusting wheel
- mini
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a steerable wheel assembly for mini ploughs with a single caterpillar. The steerable wheel assembly for mini ploughs with a single caterpillar is characterized in that a steerable wheel is a hollow barrel shape; the outer surface of the steerable wheel is provided with an annular rib matched with a chain; the steerable wheel is arranged in the center of a wheel shaft through two positioning shaft sleeves sheathed in the wheel shaft, a ball bearing, two framework type rubber oil sealing device, and a stop ring; both ends of the steerable wheel are fastened by screw nuts; sealing rings are arranged on the surfaces of the guide wheel, which contact the stop ring and the positioning shaft sleeve. The steerable wheel assembly for mini ploughs with a single caterpillar can overcome the defects of easy inclusion with sand and weed, fast abrasion, short service life, easy chain falling, etc. which exist on the existing sprocket type steerable wheel.
Description
The utility model provides a kind of improved mono-track Miniature cultivator used on higher track adjusting wheel assembly.
The mono-track Miniature cultivator used on higher with its volume advantage such as little, in light weight, flexible to operation and cheap just applied in mountain area and intersected country.In prior art, the chain of this tiller is carried out track adjusting wheel and adopted chain sprocket structure, and the front jockey wheel of this structure in use often produces following defective: easy burning into sand of the first and weeds not only increase wearing and tearing, and cause easily and take off chain; It two is that its diameter is little, carries out the sprocket that contacts with chain and has only two, and cornerite is little, also causes easily and takes off chain; It three is that water and silt particle enter in the rotatable parts of track adjusting wheel easily, increases wearing and tearing, reduces service life; It four is when chain belt extends, and is difficult to normal operation.
The purpose of this utility model is to overcome the deficiency of prior art, provide a kind of be difficult for taking off chain, working stability, long service life singly cover band Miniature cultivator used on higher track adjusting wheel assembly.
Fig. 1 is the cutaway view of the utility model concrete structure.
Task of the present utility model realizes by this way: as shown in Figure 1, and this guiding The wheel assembly is by directive wheel 4, wheel shaft 8, positioning shaft sleeve 1, ball bearing 5, skeleton rubber Oil sealing 3 and back-up ring 6 form, and directive wheel 4 is that hollow is barrel-shaped, and establish at the middle part on its periphery Have a width to be slightly smaller than the annular ridge 10 of inside plank of chain distance, wheel shaft 8 two ends have Screw thread, directive wheel 4 arranges by two nuts 9, two positioning shaft sleeves 1 and ball bearing 5 In the centre of wheel shaft 8, between ball bearing 5 both sides, directive wheel 4 and axle sleeve 1 with skeleton Formula rubber oil sea 3 sealing, at the openend of directive wheel 4 with back-up ring 6 and circlip for hole 7 Sealing also is provided with sealing ring between directive wheel 4 bottom endoporus and back-up ring 7 endoporus and axle sleeve 1 2.
During use, two axle sleeves 1 and track adjusting wheel support 11 can be linked, and then assemble whole track adjusting wheel assembly and get final product.From structure of the present utility model as can be known, when work, this track adjusting wheel assembly is not to rely on the sprocket guiding, but leads in annular ridge 10 embedding chains two inner plates of dependence track adjusting wheel 4, and its smooth surface is not easy to occur to cause the phenomenon of clamping stagnation to take place because of being mingled with silt particle and weeds.There is not the annular ridge 10 of tooth not to be subjected to the influence of chain elongation fully; Be not easy to produce the chain problem of taking off.In addition, good sealing arrangement makes water and silt particle be not easy to infiltrate in the rotational parts.Therefore, the utility model effectively overcomes the deficiency of prior art, can guarantee track adjusting wheel and chain shoe normal operation, and improve service life.
Advance in enforcement, the utility model is selected inner plate for use apart from the chain that is 15.88 millimeters, and annular ridge 10 width are 15 millimeters, so that annular ridge 10 can embed between inner plate easily, is unlikely excessive loosening again, and chain is carried out and track adjusting wheel energy normal operation.For the carrier bar that makes chain can touch the periphery of track adjusting wheel 4, make chain carry out running more normally, the height of annular ridge 10 be preferably the carrier bar width subtract roller diameter value 1/2nd.
Claims (2)
1, a kind of mono-track Miniature cultivator used on higher track adjusting wheel assembly, it is characterized in that by track adjusting wheel (4), wheel shaft (8), location axle sleeve (1), ball bearing of main shaft (5), rubber oil seal with reinforce (3) and back-up ring (6) are formed, it is characterized in that track adjusting wheel (4) is barrel-shaped for hollow, middle part on its periphery is provided with the annular ridge (10) that a width is slightly smaller than chain inner plate distance, wheel shaft (8) two ends have screw thread, track adjusting wheel (4) is by two nuts (9), two location axle sleeves (1) and ball bearing of main shaft (5) are arranged at the centre of wheel shaft (8), in ball bearing of main shaft (5) both sides, seal with rubber oil seal with reinforce (3) between track adjusting wheel (4) and the axle sleeve (1), open end in track adjusting wheel (4) seals with back-up ring (6) and circlip for bore (7), also is provided with seal ring (2) between track adjusting wheel (4) bottom endoporus and back-up ring (7) endoporus and axle sleeve (1).
2, track adjusting wheel assembly according to claim 1, the height that it is characterized in that annular ridge (12) subtract for the carrier bar width roller diameter value 1/2nd.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97240392 CN2304571Y (en) | 1997-07-25 | 1997-07-25 | Steerable wheel assembly for mini-plough with single caterpillar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97240392 CN2304571Y (en) | 1997-07-25 | 1997-07-25 | Steerable wheel assembly for mini-plough with single caterpillar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2304571Y true CN2304571Y (en) | 1999-01-20 |
Family
ID=33950157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97240392 Expired - Fee Related CN2304571Y (en) | 1997-07-25 | 1997-07-25 | Steerable wheel assembly for mini-plough with single caterpillar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2304571Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007076653A1 (en) * | 2005-12-31 | 2007-07-12 | Yuanxiang Li | An crawler combine harvester with 4-wheel drive system |
| CN103482416A (en) * | 2013-09-16 | 2014-01-01 | 无锡市长城电线电缆有限公司 | Combined guide roller device in cooling water tank for extrusion process of cable insulating and sheath layers |
-
1997
- 1997-07-25 CN CN 97240392 patent/CN2304571Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007076653A1 (en) * | 2005-12-31 | 2007-07-12 | Yuanxiang Li | An crawler combine harvester with 4-wheel drive system |
| CN103482416A (en) * | 2013-09-16 | 2014-01-01 | 无锡市长城电线电缆有限公司 | Combined guide roller device in cooling water tank for extrusion process of cable insulating and sheath layers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |