CN203335576U - Axial positioning structure of towed impacting road roller rocker connecting shaft - Google Patents
Axial positioning structure of towed impacting road roller rocker connecting shaft Download PDFInfo
- Publication number
- CN203335576U CN203335576U CN2013203656009U CN201320365600U CN203335576U CN 203335576 U CN203335576 U CN 203335576U CN 2013203656009 U CN2013203656009 U CN 2013203656009U CN 201320365600 U CN201320365600 U CN 201320365600U CN 203335576 U CN203335576 U CN 203335576U
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- bolt
- hole
- block
- rocker
- level board
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Abstract
The utility model discloses an axial positioning structure of a towed impacting road roller rocker connecting shaft. The axial positioning structure of the towed impacting road roller rocker connecting shaft comprises a positioning groove which is formed in the upper portion of the connecting shaft, a stopping block which is inserted in the positioning groove and a fixing block which is used for supporting and fixing the stopping block on the side face of a rocker support or the side face of a swing frame. The fixing block is fixedly connected with the stopping block through first bolts, the fixing block is provided with first thread holes used for being connected with the first bolts, and the stopping block is provided with first through holes which are matched with first threaded holes. The stopping block and the fixing block are both fixedly connected with the rocker support or the swing frame through a second bolt and a nut, the rocker support or the swing frame is provided with a second threaded hole used for being connected with the second bolt, the fixing block is provided with a second through hole which is matched with the second threaded hole, and the stopping block is provided with a third through hole which is matched with the second threaded hole and allows the second bolt to penetrate. The axial positioning structure of the towed impacting road roller rocker connecting shaft is reasonable in design, guarantees accurate and reliable mounting and positioning of the connecting shaft, and is convenient to maintain, low in implementation cost, good in using effect and convenient to popularize and use.
Description
Technical field
The utility model relates to technical field of engineering machinery, especially relates to a kind of formula impact road roller rocking bar coupling shaft axial positioning structure that drags.
Background technique
The formula impact road roller of dragging is China's widely used novel compacting machinary in recent years, it have compaction force large, affect the characteristics that the degree of depth is dark, efficiency of construction is high.At present, drag the rocker of formula impact road roller with rocker bearing, all to adopt flanged (FLGD) coupling shaft to be connected with rocking bar and rocking bar, and the mode that adopts bolt to compress is fixed.Flange and coupling shaft are welded to connect, and the bolt hole that the bolt that has voltage supply to be close to spindle on flange passes and when maintenance are in order to extract the needed bolt connecting hole of coupling shaft.During compacting operation, drag the impulse wheel of formula impact road roller to travel forward, up-down vibration compacting simultaneously, impact potential energy and can reach 20KJ～32KJ.In this process, impulse wheel drives rocker and swings back and forth, rocker drives again rocking bar and swings, and for the flanged (FLGD) coupling shaft that connects rocking bar and rocker, also can rotate, but the bolt that is subject to compressing coupling shaft is fixed simultaneously, so just having coupling shaft rotates, the situation appearance that flange does not turn, once active force surpasses the weld strength of flange and coupling shaft, weld seam will rupture, also can cause the bolt of supported flange axle to be cut off, and then cause the play back and forth of coupling shaft; And when rocking bar swings, also there will be movement tendency between rocking bar and rocker bearing, also there will be rotation trend for the flanged (FLGD) coupling shaft that connects rocking bar and rocker bearing, but the bolt that is subject to compressing coupling shaft fixes, the problem that equally also there will be the bolt of welding seam breaking and supported flange axle to be cut off; During maintenance, the bolt of cutting off is difficult to take out, and coupling shaft can only be from a dismounting, and maintenance is trouble comparatively.
The model utility content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of formula impact road roller rocking bar coupling shaft axial positioning structure that drags is provided, it is simple in structure, reasonable in design, it is convenient to realize, has guaranteed the installation registration, reliable of coupling shaft, easy to maintenance, realize that cost is low, using effect is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of formula impact road roller rocking bar coupling shaft axial positioning structure that drags, it is characterized in that: comprise the locating slot that is arranged on described coupling shaft top, insert block in described locating slot and for described block being supported and fixed on to the fixed block of rocker bearing or rocker side, described fixed block is fixedly connected with described block by the first bolt, on described fixed block, be provided with for connecting the first tapped hole of described the first bolt, be provided with the first through hole that matches with described the first tapped hole and pass for the first bolt on described block, described block all is fixedly connected with described rocker bearing or rocker by the second screw bolt and nut with fixed block, on described rocker bearing or rocker, be provided with for connecting the second tapped hole of described the second bolt, be provided with on described fixed block and match with described the second tapped hole and, for the second through hole that the second bolt passes, be provided with the third through-hole that matches with the second tapped hole and pass for the second bolt on described block.
The above-mentioned formula impact road roller rocking bar coupling shaft axial positioning structure that drags, it is characterized in that: described block is by vertical plate, the first level board be wholely set with described vertical plate top and forming with the second level board that described vertical plate bottom is wholely set, described the first level board and the second level board lay respectively at the both sides of described vertical plate, described the second level board inserts in described locating slot, described fixed block is between described the first level board inner side surface and described rocker bearing or rocker outer side surface, described the first through hole and third through-hole all are arranged on described the first level board.
The above-mentioned formula impact road roller rocking bar coupling shaft axial positioning structure that drags, it is characterized in that: described the first bolt quantity is two, the quantity of the quantity of corresponding described the first tapped hole and described the first through hole is two, two described the first tapped holes lay respectively at the both sides of described the second through hole, and two described the first through holes lay respectively at the both sides of described third through-hole.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, reasonable in design, and coupling shaft is owing to not needing adpting flange, so coupling shaft is easy to make, and difficulty of processing is low, and whole realize convenient.
2, the utility model has guaranteed the installation registration, reliable of coupling shaft effectively, and easy for installation.
3, the utility model can guarantee in the compacting operation process that coupling shaft can axial float, and the problem that not there will be the bolt of welding seam breaking and supported flange axle to be cut off.
4, the utility model can reduce the maintenance frequency of dragging the formula impact road roller, reduces the maintenance and repair expense, and coupling shaft can be dismantled from both sides during maintenance, easy to maintenance.
5, the utility model can reduce the usage quantity of bolt, saves material, realizes that cost is low, and using effect is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, reasonable in design, and it is convenient to realize, has guaranteed the installation registration, reliable, easy to maintenance of coupling shaft, realizes that cost is low, and using effect is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The accompanying drawing explanation
The plan view that Fig. 1 is the utility model embodiment 1.
The plan view that Fig. 2 is Fig. 1.
The plan view that Fig. 3 is the utility model embodiment 2.
The plan view that Fig. 4 is Fig. 3.
The structural representation that Fig. 5 is the utility model block.
Description of reference numerals:
1-locating slot; 2-block; 2-1-vertical plate;
2-2-first level board; 2-3-second level board; 3-fixed block;
The 4-the first bolt; 5-rocking bar; The 6-the second bolt;
7-nut; 8-rocker bearing; 9-rocker;
10-coupling shaft.
Embodiment
Embodiment 1
As depicted in figs. 1 and 2, the utility model comprises the locating slot 1 that is arranged on described coupling shaft 10 tops, insert block 2 in described locating slot 1 and for described block 2 being supported and fixed on to the fixed block 3 of rocker bearing 8 sides, described fixed block 3 is fixedly connected with described block 2 by the first bolt 4, be provided with on described fixed block 3 for connecting the first tapped hole of described the first bolt 4, be provided with the first through hole that matches with described the first tapped hole and pass for the first bolt 4 on described block 2; Described block 2 all is fixedly connected with described rocker bearing 8 with nut 7 by the second bolt 6 with fixed block 3, on described rocker bearing 8, be provided with for connecting the second tapped hole of described the second bolt 6, be provided with on described fixed block 3 and match with described the second tapped hole and, for the second through hole that the second bolt 6 passes, be provided with the third through-hole that matches with the second tapped hole and pass for the second bolt 6 on described block 2.
In the present embodiment, described coupling shaft 10 is for connecting rocking bar 5 and rocker bearing 8.
As shown in Figure 5, in the present embodiment, described block 2 is by vertical plate 2-1, the the first level board 2-2 be wholely set with described vertical plate 2-1 top and forming with the second level board 2-3 that described vertical plate 2-1 bottom is wholely set, described the first level board 2-2 and the second level board 2-3 lay respectively at the both sides of described vertical plate 2-1, described the second level board 2-3 inserts in described locating slot 1, described fixed block 3 is between described the first level board 2-2 inner side surface and described rocker bearing 8 outer side surfaces, described the first through hole and third through-hole all are arranged on described the first level board 2-2.
In the present embodiment, described the first bolt 4 quantity are two, the quantity of the quantity of corresponding described the first tapped hole and described the first through hole is two, and two described the first tapped holes distribute and are positioned at the both sides of described the second through hole, and two described the first through holes lay respectively at the both sides of described third through-hole.
During concrete enforcement, mill out locating slot 1 on described coupling shaft 10 tops, with coupling shaft 10 by rocking bar 5 with after rocker bearing 8 is connected, the the second level board 2-3 that forms block 2 is inserted in described locating slot 1, again fixed block 3 is put between described the first level board 2-2 inner side surface and described rocker bearing 8 outer side surfaces, then with the first bolt 4, described fixed block 3 is fixedly connected with described block 2, finally described block 2, fixed block 3 and rocker bearing 8 is fixedly connected with nut 7 with the second bolt 6.Locating slot 1 and the second level board 2-3 adopt tolerance fit, between fixed block 3 and the first level board 2-2 inner side surface and described rocker bearing 8 outer side surfaces by the second bolt 6 compression fit, effectively guaranteed the installation registration, reliable of coupling shaft 10, and easy for installation, in the compacting operation process, coupling shaft 10 can axial float, and the problem that not there will be the bolt of welding seam breaking and supported flange axle to be cut off.
As shown in Figure 3 and Figure 4, the present embodiment is as different from Example 1: described coupling shaft 10 is for connecting rocking bar 5 and rocker 9, described fixed block 3 is for being supported and fixed on rocker 9 sides by described block 2, described block 2 all is fixedly connected with described rocker 9 with nut 7 by the second bolt 6 with fixed block 3, described fixed block 3, between described the first level board 2-2 inner side surface and described rocker 9 outer side surfaces, is provided with on described rocker 9 for connecting the second tapped hole of described the second bolt.All the other structures are all identical with embodiment 1.
During concrete enforcement, mill out locating slot 1 on described coupling shaft 10 tops, with coupling shaft 10 by rocking bar 5 with after rocker 9 is connected, the the second level board 2-3 that forms block 2 is inserted in described locating slot 1, again fixed block 3 is put between described the first level board 2-2 inner side surface and described rocker 9 outer side surfaces, then with the first bolt 4, described fixed block 3 is fixedly connected with described block 2, finally described block 2, fixed block 3 and rocker 9 is fixedly connected with nut 7 with the second bolt 6.Locating slot 1 and the second level board 2-3 adopt tolerance fit, between fixed block 3 and the first level board 2-2 inner side surface and described rocker 9 outer side surfaces by the second bolt 6 compression fit, effectively guaranteed the installation registration, reliable of coupling shaft 10, and easy for installation, in the compacting operation process, coupling shaft 10 can axial float, and the problem that not there will be the bolt of welding seam breaking and supported flange axle to be cut off.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (3)
1. one kind is dragged formula impact road roller rocking bar coupling shaft axial positioning structure, it is characterized in that: comprise the locating slot (1) that is arranged on described coupling shaft (10) top, insert block (2) in described locating slot (1) and for described block (2) being supported and fixed on to the fixed block (3) of rocker bearing (8) or rocker (9) side, described fixed block (3) is fixedly connected with described block (2) by the first bolt (4), on described fixed block (3), be provided with for connecting the first tapped hole of described the first bolt (4), be provided with the first through hole that matches with described the first tapped hole and pass for the first bolt (4) on described block (2), described block (2) all is fixedly connected with described rocker bearing (8) or rocker (9) with nut (7) by the second bolt (6) with fixed block (3), on described rocker bearing (8) or rocker (9), be provided with for connecting the second tapped hole of described the second bolt (6), be provided with the second through hole that matches with described the second tapped hole and pass for the second bolt (6) on described fixed block (3), be provided with the third through-hole that matches with the second tapped hole and pass for the second bolt (6) on described block (2).
2. according to the formula impact road roller rocking bar coupling shaft axial positioning structure that drags claimed in claim 1, it is characterized in that: described block (2) is by vertical plate (2-1), the first level board (2-2) be wholely set with described vertical plate (2-1) top and forming with the second level board (2-3) that described vertical plate (2-1) bottom is wholely set, described the first level board (2-2) and the second level board (2-3) lay respectively at the both sides of described vertical plate (2-1), described the second level board (2-3) inserts in described locating slot (1), described fixed block (3) is positioned between described the first level board (2-2) inner side surface and described rocker bearing (8) or rocker (9) outer side surface, described the first through hole and third through-hole all are arranged on described the first level board (2-2).
3. according to the formula impact road roller rocking bar coupling shaft axial positioning structure that drags claimed in claim 1, it is characterized in that: described the first bolt (4) quantity is two, the quantity of the quantity of corresponding described the first tapped hole and described the first through hole is two, two described the first tapped holes distribute and are positioned at the both sides of described the second through hole, and two described the first through holes lay respectively at the both sides of described third through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203656009U CN203335576U (en) | 2013-06-24 | 2013-06-24 | Axial positioning structure of towed impacting road roller rocker connecting shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203656009U CN203335576U (en) | 2013-06-24 | 2013-06-24 | Axial positioning structure of towed impacting road roller rocker connecting shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335576U true CN203335576U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203656009U Expired - Fee Related CN203335576U (en) | 2013-06-24 | 2013-06-24 | Axial positioning structure of towed impacting road roller rocker connecting shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109178267A (en) * | 2018-09-12 | 2019-01-11 | 上海外高桥造船有限公司 | A kind of locking device of large ship propeller |
| CN109253141A (en) * | 2018-11-15 | 2019-01-22 | 柳工常州机械有限公司 | Fixing structure for pin shaft |
-
2013
- 2013-06-24 CN CN2013203656009U patent/CN203335576U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109178267A (en) * | 2018-09-12 | 2019-01-11 | 上海外高桥造船有限公司 | A kind of locking device of large ship propeller |
| CN109253141A (en) * | 2018-11-15 | 2019-01-22 | 柳工常州机械有限公司 | Fixing structure for pin shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20210624 |