CN204279634U - The connection structure of a kind of piece of material fork front frame for loader and Rear frame - Google Patents
The connection structure of a kind of piece of material fork front frame for loader and Rear frame Download PDFInfo
- Publication number
- CN204279634U CN204279634U CN201420759434.5U CN201420759434U CN204279634U CN 204279634 U CN204279634 U CN 204279634U CN 201420759434 U CN201420759434 U CN 201420759434U CN 204279634 U CN204279634 U CN 204279634U
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- CN
- China
- Prior art keywords
- articulated slab
- pin shaft
- hinging pin
- rear frame
- frame
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Abstract
The utility model discloses the connection structure of a kind of piece of material fork front frame for loader and Rear frame, and comprise front vehicle frame, Rear frame, front/rear frame is connected with lower hinge assembly by upper hinge assembly, described lower hinge assembly comprises and is parallelly fixed on first in front vehicle frame, second time articulated slab and the lower connecting plate be fixed in Rear frame, the coupling end of lower connecting plate is provided with hinged through hole, the two ends of a lower hinging pin shaft are separately fixed at first, on second time articulated slab, the middle part of lower hinging pin shaft is connected with the hinged through hole of lower connecting plate by two the second tapered roller bearings, the middle part of lower hinging pin shaft be provided with shoulder withstand on be in the second tapered roller bearing above inner ring on, between the inner ring that on lower hinging pin shaft, cover has a stop collar to be stuck in be in the second tapered roller bearing below and second time articulated slab upper surface, the utility model effectively prevents front vehicle frame and the mutual play of Rear frame, improves the lubricity of hinge point, improves the reliability of block material fork loader work.
Description
Technical field
The utility model relates to load mechanism technology for making field, especially the connection structure of a kind of piece of material fork front frame for loader and Rear frame.
Background technology
Block material fork loader is mainly used for pitching dress weight, material that volume is larger, and it requires higher to the connection structure of front vehicle frame and Rear frame.Conventional load machine front vehicle frame adopts oscillating bearing to be connected with the connection structure of Rear frame, although oscillating bearing is stressed comparatively large and provide certain amplitude of fluctuation, but adopt oscillating bearing as main articulated section, its lubrication is more difficult, when loader works, oscillating bearing Internal and external cycle has relative motion, easily occur that front/rear frame does relative play along the axis of hinging pin shaft, lock bolt is caused to loosen, the axial restraint of hinging pin shaft is very easily made to lose efficacy, also there will be bearing time serious to be damaged and the problems such as the damage causing other parts of loader, reduce the reliability of loader.
Utility model content
The technical problems to be solved in the utility model is to provide the connection structure of a kind of piece of material fork front frame for loader and Rear frame, it effectively prevents the mutual play of front vehicle frame and Rear frame, improve the lubricity of hinge point, improve the reliability during loader work of block material fork.
The connection structure of a kind of piece of material fork front frame for loader and Rear frame, comprise front vehicle frame, Rear frame, front vehicle frame is connected with lower hinge assembly by upper hinge assembly with Rear frame, described upper hinge assembly comprises and is parallelly fixed on articulated slab in first in Rear frame, articulated slab and the upper junction plate be fixed in front vehicle frame on second, the coupling end of described upper junction plate to be on first on articulated slab and second between articulated slab, the coupling end of described upper junction plate is provided with hinged through hole, the two ends of a upper hinging pin shaft to be separately fixed on first on articulated slab and second on articulated slab, the middle part of described upper hinging pin shaft is connected with the hinged through hole of described upper junction plate by two the first tapered roller bearings be mutually close together,
Described lower hinge assembly comprises the parallel first time articulated slab be fixed in front vehicle frame, second time articulated slab and the lower connecting plate be fixed in Rear frame, the coupling end of described lower connecting plate is between first time articulated slab and second time articulated slab, the coupling end of described lower connecting plate is provided with hinged through hole, the two ends of a lower hinging pin shaft are separately fixed on first time articulated slab and second time articulated slab, the middle part of described lower hinging pin shaft is connected with the hinged through hole of described lower connecting plate by two the second tapered roller bearings be mutually close together, the middle part of lower hinging pin shaft be provided with shoulder withstand on be in the second tapered roller bearing above inner ring on, on lower hinging pin shaft also between the cover inner ring that has a stop collar to be stuck in be in the second tapered roller bearing below and second time articulated slab upper surface.
Further, each interlocking in upper and lower end face first seal cover cap of described upper junction plate coupling end, each first seal cover cap withstands the outer ring of first tapered roller bearing, is also provided with seal ring between each first seal cover cap and upper hinging pin shaft.
Further, each interlocking in upper and lower end face second seal cover cap of described lower connecting plate coupling end, each second seal cover cap withstands the outer ring of second tapered roller bearing, is also provided with seal ring between each second seal cover cap and lower hinging pin shaft.
Further, on described first, articulated slab and second is provided with corresponding through hole between articulated slab, the two ends of upper hinging pin shaft are through on the through hole that on first, on articulated slab and second, articulated slab is corresponding respectively, upper surface interlocking first gland of articulated slab on first, the upper end of the first gland and upper hinging pin shaft is formed affixed, on second, the lower surface of articulated slab connects second gland, the lower end phase interlocking of the second gland and upper hinging pin shaft.This structure can expediently be fixed in the assembling of hinge assembly and the two ends of upper hinging pin shaft.
Further, corresponding through hole is provided with between described first time articulated slab and second time articulated slab, the two ends of lower hinging pin shaft are through on first time articulated slab and through hole corresponding to second time articulated slab respectively, the top of lower hinging pin shaft is provided with shoulder on, the confined planes of upper end edge radial direction processing two rotation-prevention of lower hinging pin shaft, upper surface interlocking first limited cover of first time articulated slab, first limited cover is pushed down the upper shoulder on hinging pin shaft top and is blocked the described confined planes in two, lower hinging pin shaft upper end, the upper surface of the first limited cover connects second limited cover, second limited cover and lower hinging pin shaft upper end phase interlocking, the lower surface of second time articulated slab connects the 3rd limited cover, the lower end phase interlocking of the 3rd limited cover and lower hinging pin shaft.This structure can conveniently descend the two ends of the assembling of hinge assembly and lower hinging pin shaft to fix, and prevents lower hinging pin shaft Forced rotation.
The utility model is connected with the hinged through hole of described upper junction plate by two the first tapered roller bearings be mutually close together due to the middle part of upper hinging pin shaft; The middle part of lower hinging pin shaft is connected with the hinged through hole of described lower connecting plate by two the second tapered roller bearings be mutually close together; With the middle part of hinging pin shaft be at present provided with shoulder withstand on be in the second tapered roller bearing above inner ring on, on lower hinging pin shaft also between the cover inner ring that has a stop collar to be stuck in be in the second tapered roller bearing below and second time articulated slab upper surface.Just the end float misalignment of front/rear frame along lower hinging pin shaft is effectively limited by the lower shoulder of lower hinging pin shaft, two the second tapered roller bearings and stop collar; Two other tapered roller bearing has higher intensity relative to an oscillating bearing, and tapered roller bearing displacement is less in radial directions, rub less, high lubricating effect, therefore it effectively prevents the mutual play of front vehicle frame and Rear frame, improve the lubricity of hinge point, improve the reliability during loader work of block material fork.
Accompanying drawing explanation
Fig. 1 is the utility model block diagram;
Fig. 2 is the utility model birds-eye view;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the B place enlarged drawing of Fig. 3;
Fig. 5 is jointed shaft top perspective enlarged view under the utility model;
Fig. 6 is that under the utility model, jointed shaft looks up stereo amplification figure.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in further detail.
Shown in Fig. 1 to Fig. 6, the connection structure of a kind of piece of material fork front frame for loader and Rear frame, comprise front vehicle frame 10, Rear frame 20, front vehicle frame 10 is connected with lower hinge assembly 2 by upper hinge assembly 1 with Rear frame 20, described upper hinge assembly 1 comprises and is parallelly fixed on articulated slab 11 in first in Rear frame 20, articulated slab 12 and the upper junction plate 13 be fixed in front vehicle frame 10 on second, the coupling end of described upper junction plate 13 to be on first on articulated slab 11 and second between articulated slab 12, the coupling end of described upper junction plate 13 is provided with hinged through hole, on described first, articulated slab 11 and second is provided with corresponding through hole between articulated slab 12, the two ends of a upper hinging pin shaft 14 are through on the through hole of articulated slab 12 correspondence on articulated slab on first 11 and second respectively, the middle part of upper hinging pin shaft 14 is connected with the hinged through hole of described upper junction plate 13 by the first tapered roller bearing 15 that two are close together mutually, upper surface interlocking first gland 16 of articulated slab 11 on first, first gland 16 is formed affixed with the upper end of upper hinging pin shaft 14, on second, the lower surface of articulated slab 12 connects second gland 17, the lower end phase interlocking of the second gland 17 and upper hinging pin shaft 14, the each interlocking in upper and lower end face first seal cover cap 18 of described upper junction plate 13 coupling end, each first seal cover cap 18 withstands the outer ring of first tapered roller bearing 15, seal ring 19 is also provided with between each first seal cover cap 18 and upper hinging pin shaft 14.
Described lower hinge assembly 2 comprises the parallel first time articulated slab 21 be fixed in front vehicle frame 10, second time articulated slab 22 and the lower connecting plate 23 be fixed in Rear frame 20, the coupling end of described lower connecting plate 23 is between first time articulated slab 21 and second time articulated slab 22, the coupling end of described lower connecting plate 23 is provided with hinged through hole, corresponding through hole is provided with between described first time articulated slab 21 and second time articulated slab 22, the two ends of a lower hinging pin shaft 24 are through on the through hole of first time articulated slab 21 and second time articulated slab 22 correspondence respectively, the top of lower hinging pin shaft 24 is provided with shoulder 241 on, the confined planes 242 of upper end edge radial direction processing two rotation-prevention of lower hinging pin shaft 24, upper surface interlocking first limited cover 25 of first time articulated slab 21, first limited cover 25 is pushed down the upper shoulder 241 on hinging pin shaft 24 top and is blocked the described confined planes 242 in lower two, hinging pin shaft 24 upper end, to prevent upper hinging pin shaft 24 Forced rotation, the upper surface of the first limited cover 25 connects second limited cover 26, second limited cover 26 and lower hinging pin shaft 24 upper end phase interlocking, the lower surface of second time articulated slab 22 connects the lower end phase interlocking of the 3rd limited cover the 27, three limited cover 27 and lower hinging pin shaft 24,
The middle part of described lower hinging pin shaft 24 is connected with the hinged through hole of described lower connecting plate 23 by the second tapered roller bearing 28 that two are close together mutually, the middle part of lower hinging pin shaft 24 be provided with shoulder 243 withstand on be in the second tapered roller bearing 28 above inner ring on, on lower hinging pin shaft 24 also between the cover inner ring that has a stop collar 29 to be stuck in be in the second tapered roller bearing 28 below and second time articulated slab 22 upper surface;
The each interlocking in upper and lower end face second seal cover cap 2a of described lower connecting plate 23 coupling end, each second seal cover cap 2a withstands the outer ring of second tapered roller bearing 28, is also provided with seal ring 2b between each second seal cover cap 2a and lower hinging pin shaft 24.
Below be only the utility model preferred embodiment, those skilled in the art makes by claim the protection domain that equivalent change all falls into this case.
Claims (5)
1. a connection structure for block material fork front frame for loader and Rear frame, comprise front vehicle frame, Rear frame, front vehicle frame is connected with lower hinge assembly by upper hinge assembly with Rear frame, it is characterized in that:
Described upper hinge assembly comprises the parallel upper junction plate being fixed in first in Rear frame articulated slab on articulated slab, second and being fixed in front vehicle frame, the coupling end of described upper junction plate to be on first on articulated slab and second between articulated slab, the coupling end of described upper junction plate is provided with hinged through hole, the two ends of a upper hinging pin shaft to be separately fixed on first on articulated slab and second on articulated slab, and the middle part of described upper hinging pin shaft is connected with the hinged through hole of described upper junction plate by two the first tapered roller bearings be mutually close together;
Described lower hinge assembly comprises the parallel first time articulated slab be fixed in front vehicle frame, second time articulated slab and the lower connecting plate be fixed in Rear frame, the coupling end of described lower connecting plate is between first time articulated slab and second time articulated slab, the coupling end of described lower connecting plate is provided with hinged through hole, the two ends of a lower hinging pin shaft are separately fixed on first time articulated slab and second time articulated slab, the middle part of described lower hinging pin shaft is connected with the hinged through hole of described lower connecting plate by two the second tapered roller bearings be mutually close together, the middle part of lower hinging pin shaft be provided with shoulder withstand on be in the second tapered roller bearing above inner ring on, on lower hinging pin shaft also between the cover inner ring that has a stop collar to be stuck in be in the second tapered roller bearing below and second time articulated slab upper surface.
2. the connection structure of a kind of piece of material fork front frame for loader according to claim 1 and Rear frame, it is characterized in that: each interlocking in upper and lower end face first seal cover cap of described upper junction plate coupling end, each first seal cover cap withstands the outer ring of first tapered roller bearing, is also provided with seal ring between each first seal cover cap and upper hinging pin shaft.
3. the connection structure of a kind of piece of material fork front frame for loader according to claim 1 and Rear frame, it is characterized in that: each interlocking in upper and lower end face second seal cover cap of described lower connecting plate coupling end, each second seal cover cap withstands the outer ring of second tapered roller bearing, is also provided with seal ring between each second seal cover cap and lower hinging pin shaft.
4. the connection structure of a kind of piece of material fork front frame for loader according to claim 1 and Rear frame, it is characterized in that: on described first, articulated slab and second is provided with corresponding through hole between articulated slab, the two ends of upper hinging pin shaft are through on the through hole that on first, on articulated slab and second, articulated slab is corresponding respectively, upper surface interlocking first gland of articulated slab on first, the upper end of the first gland and upper hinging pin shaft is formed affixed, on second, the lower surface of articulated slab connects second gland, the lower end phase interlocking of the second gland and upper hinging pin shaft.
5. a kind of piece of material fork front frame for loader according to any one of Claims 1-4 and the connection structure of Rear frame, it is characterized in that: between described first time articulated slab and second time articulated slab, be provided with corresponding through hole, the two ends of lower hinging pin shaft are through on first time articulated slab and through hole corresponding to second time articulated slab respectively, the top of lower hinging pin shaft is provided with shoulder on, the confined planes of upper end edge radial direction processing two rotation-prevention of lower hinging pin shaft, upper surface interlocking first limited cover of first time articulated slab, first limited cover is pushed down the upper shoulder on hinging pin shaft top and is blocked the described confined planes in two, lower hinging pin shaft upper end, the upper surface of the first limited cover connects second limited cover, second limited cover and lower hinging pin shaft upper end phase interlocking, the lower surface of second time articulated slab connects the 3rd limited cover, the lower end phase interlocking of the 3rd limited cover and lower hinging pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420759434.5U CN204279634U (en) | 2014-12-05 | 2014-12-05 | The connection structure of a kind of piece of material fork front frame for loader and Rear frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420759434.5U CN204279634U (en) | 2014-12-05 | 2014-12-05 | The connection structure of a kind of piece of material fork front frame for loader and Rear frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204279634U true CN204279634U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420759434.5U Expired - Fee Related CN204279634U (en) | 2014-12-05 | 2014-12-05 | The connection structure of a kind of piece of material fork front frame for loader and Rear frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204279634U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059452A (en) * | 2015-08-26 | 2015-11-18 | 上海绿亮电动车有限公司 | Safety type bottom fork for electric bicycle |
| CN108016224A (en) * | 2017-11-30 | 2018-05-11 | 安徽铜冠机械股份有限公司 | The articulated structure of ground vehicle |
-
2014
- 2014-12-05 CN CN201420759434.5U patent/CN204279634U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059452A (en) * | 2015-08-26 | 2015-11-18 | 上海绿亮电动车有限公司 | Safety type bottom fork for electric bicycle |
| CN108016224A (en) * | 2017-11-30 | 2018-05-11 | 安徽铜冠机械股份有限公司 | The articulated structure of ground vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20161205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |