CN201678928U - Tensioning and position-limiting mechanism for front baffle of spreading machine - Google Patents
Tensioning and position-limiting mechanism for front baffle of spreading machine Download PDFInfo
- Publication number
- CN201678928U CN201678928U CN2010201528229U CN201020152822U CN201678928U CN 201678928 U CN201678928 U CN 201678928U CN 2010201528229 U CN2010201528229 U CN 2010201528229U CN 201020152822 U CN201020152822 U CN 201020152822U CN 201678928 U CN201678928 U CN 201678928U
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- front apron
- intermediate bar
- fairlead
- limit mechanism
- paver
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Abstract
The utility model provides a tensioning and position-limiting mechanism for a front baffle of a spreading machine, which comprises an elastic connecting component (3), a first connecting block and a second connecting block. The elastic connecting component (3) is arranged between an ironing plate (7) and the front baffle (6) of the spreading machine, the first end of the elastic connecting component is directly or indirectly connected to the ironing plate (7), the first connecting block is fixedly connected to the front baffle (6) of the spreading machine, a connecting sliding groove or a connecting bulge is arranged on the first connecting block, the second connecting block is connected with the second end of the elastic connecting component (3), and a connecting bulge or a connecting sliding groove correspondingly matched with the connecting sliding groove or the connecting bulge on the first connecting block is arranged on the second connecting block. The tensioning and position-limiting mechanism for the front baffle of the spreading machine realizes easy installing and disassembling.
Description
Technical field
The utility model relates to paver, more specifically, relates to a kind of tension position-limit mechanism of the convenient paver front apron of installing, dismantling.
Background technology
Paver is the essential equipment on the various road surfaces of making, and screed is a paver most important work device, is responsible for finishing the first compacting and the ironing task of compound, with the planeness and the compactness of accurate assurance paving concrete pavement, satisfies the designing requirement of road.
Structure and the operating principle of now introducing traditional screed are as follows.As shown in Figure 5, G is the road surface, and D is a screw conveying device, and F is the pitch material.Front apron 6 ' is positioned at the forefront of screed 7 ', and E surrounds hopper jointly with the spiral system striker plate, plays simultaneously compound is scraped the effect that pushes away.During work, paver traction screed 7 ' travels forward, compound is scraped through front apron 6 ' and is postponed, enter the compacting space of hammer ram, pre-compacted through hammer ram mechanism, compound just enters into the wedge-like space that is made of the base plate of screed 7 ' and ground, in the deadweight of screed 7 ' and hitting under the power effect of shaking of vibrating mechanism, finishes the ironing to compound.
Hammer ram drift C is connected on the hammer ram eccentric shaft A by connecting rod B, the rotation of hammer ram eccentric shaft A moves up and down with the compacting compound hammer ram drift C, must guarantee certain clearance between hammer ram drift C and front apron 6 ', as excesssive gap, can also seriously heap by the pitch binder applied mortar between front apron 6 ' and the hammer ram mechanism; Too small or very close to each other as the gap, as then will to cause hammer ram drift C and screed 7 ' to go up wear-resisting panel front end excessive wear.Because hammer ram drift C drives by hammer ram eccentric shaft A and moves up and down, thus hammer ram drift C in an angular range, move, so front apron 6 ' needs guarantee the gap between front apron 6 ' and hammer ram drift C all the time with there being flexible strainer to strain.
At present, most of pavers are to guarantee its gap (as shown in Figure 5) by a spacing intermediate bar 5 ' (being called position-limit mechanism) and a spring 3 ' (being called tensioning mechanism), gap when intermediate bar 5 ' is used for spacing the assembling, in the work, after hammer ram drift C backs down front apron 6 ', pulling force by spring 3 ' in time retracts original position with front apron 6 ', and comes spacing gap by intermediate bar 5 '.Intermediate bar 5 ' and spring 3 ' are two independent parts, are arranged in the diverse location between screed 7 ' casing and the front apron 6 ', and it is big to take up room.And paver for cleaning hammer ram in-house buildup, need be pulled down front apron 6 ' before and after construction, and will pull down tensioning mechanism earlier before tearing front apron 6 ' open.Handle type that often uses in the aforementioned prior art and the screw connected tensioning mechanism that is used for paver screed are installed, dismounting is loaded down with trivial details, and adjusting is difficult, wastes time and energy.
The utility model content
A technical problem to be solved in the utility model provides a kind of tension position-limit mechanism of the paver screed that is easy to mount and dismount.
Another technical problem to be solved in the utility model provides a kind of tension position-limit mechanism of the paver screed that tensioning mechanism and position-limit mechanism are merged into a single whole.
Another technical problem to be solved in the utility model provides a kind of convenient tension position-limit mechanism of regulating the paver screed of tightening force.
For solving above-mentioned at least one technical problem, a kind of tension position-limit mechanism of paver front apron is provided, it comprises: elastic connecting element, it is arranged between the screed and front apron of described paver, and its first end directly or indirectly is connected to screed; First contiguous block, it is fixedly attached to the front apron of paver, and first contiguous block is provided with and connects chute or connection bump; Second contiguous block is connected with second end of elastic connecting element, second contiguous block be provided with first contiguous block on the connection chute or the connection bump of the corresponding cooperation of connection bump or connect chute.
Wherein, the tension position-limit mechanism of this paver front apron also comprises: intermediate bar, and its first end is fixedlyed connected with screed, and its second end extends towards front apron; Regulating sleeve, it is installed on the intermediate bar position vertically adjustablely, between screed and elastic connecting element, and is connected with elastic connecting element; Wherein, first contiguous block is the fastening piece, and this fastening piece has above-mentioned connection chute, and the opening of this connection chute is arranged on the end face of fastening piece; Wherein, second contiguous block is a fairlead, and this fairlead has above-mentioned connection bump, and fairlead axially is slidably disposed on the intermediate bar along intermediate bar; Wherein, elastic connecting element is arranged on the intermediate bar, and the elastic connecting element two ends are connected respectively on fairlead and the described regulating sleeve.
Wherein, has convex shoulder on the intermediate bar to the fairlead axial limiting.When fairlead during near this convex shoulder, second end of intermediate bar stretches out the outer certain distance of fairlead.
Wherein, intermediate bar is a round bar, and regulating sleeve is threaded with intermediate bar.
Wherein, the chute of fastening piece has the guide part of wedge shape.
Wherein, fairlead is connected by first connecting portion with elastic connecting element; Regulating sleeve is connected by second connecting portion with elastic connecting element.
Wherein, first connecting portion is first helicla flute that is arranged on the fairlead; Second connecting portion is second helicla flute that is arranged on the regulating sleeve.
Wherein, elastic connecting element is a spring, and spring housing is located on the intermediate bar.
Wherein, the fastening piece is c-shaped.
Wherein, first end of intermediate bar is threaded with screed, and is arranged with intermediate bar is locked in locking nut on the screed.
The utlity model has following beneficial effect:
1. because the tension position-limit mechanism of paver front apron of the present utility model has first contiguous block and second contiguous block of the front apron that is fixedly attached to paver, two contiguous blocks slide over each other by connection chute and the connection bump that has separately, when having realized the installation and removal front apron to the light installation and removal of this tension position-limit mechanism.
2. when screed is worked, front apron is provided the tightening force of flexible timely adjusting by elastic connecting element, simultaneously, because fairlead is along the front end that axially is slidably disposed on intermediate bar of intermediate bar, by when assembling, fairlead being slipped into the fastening piece, make the front end of intermediate bar withstand the fastening piece, reached the effect spacing front apron.That is tension position-limit mechanism of the present utility model merges into a single whole tensioning mechanism and position-limit mechanism.
3. be installed on the intermediate bar position vertically owing to regulating sleeve adjustablely, can be by moving axially the size that the tightening force of elastic connecting element is in time regulated in the position of regulating sleeve on intermediate bar.In addition, because an end of intermediate bar is threaded with screed and by locking nut locking, feasiblely can regulate intermediate bar spacing to front apron by adjusting lock nut's locked position.
In a word, because the tension position-limit mechanism of paver front apron of the present utility model has been realized light installation and removal, and will strain with stopping means and merge into a single whole, and can in time regulate the pulling force of tensioning mechanism, thereby significantly improved this mechanism functional performance, reduced the mixed economy cost, make maintaining work simple.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 shows the perspective view according to the tension position-limit mechanism of the paver front apron of an embodiment of the present utility model;
Fig. 2 shows the cross-sectional schematic of tension position-limit mechanism under free state of the paver front apron among Fig. 1;
The cross-sectional schematic of the tension position-limit mechanism that Fig. 3 shows the paver front apron among Fig. 1 under in working order;
Fig. 4 shows the decomposition texture schematic diagram according to the tension position-limit mechanism of the paver front apron among Fig. 1; And
Fig. 5 shows screed in the paver of the prior art and the structural representation of the front apron tension position-limit mechanism that is attached thereto.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
As shown in Figure 1 and Figure 4, this tension position-limit mechanism comprises: fastening piece (first contiguous block) 1, fairlead (second contiguous block) 2, spring (elastic connecting element) 3, regulating sleeve 4 and intermediate bar 5.
Combination is referring to Fig. 2, Fig. 3 again, and fastening piece 1 is weldingly fixed on the front apron 6, and fastening piece 1 has chute (connection chute) 11, and two openings of this chute 11 are arranged on the two ends up and down of fastening piece 1, and wherein under shed is wedge shape gap (as shown in Figure 2).Fairlead 2 is the circular structure, is convenient to processing, and it has the wedge shape gap that bulge-structure (connection bump) is suitable for chute 11 lower ends by fastening piece 1 and slips into, skids off in chute 11.In addition, as shown in Figure 4, the plan structure of fastening piece 1 is c-shaped, makes chute 11 be roughly T-slot, and these chute 11 sides are provided be convenient to that fairlead moves uncovered, so that fairlead 2 can slide therein.Correspondingly, the bulge-structure on the fairlead 2 is roughly T shape projection, like this, when the mutual slip by fairlead 2 and fastening piece 1 has realized the installation and removal front apron to the light installation and removal of this tension position-limit mechanism.
By above being appreciated that in the present embodiment is that the mutual slip that the fastening piece 1 by having chute 11 and having is suitable between the fairlead 2 of the structure that slips into, skid off in chute 11 realizes mounting and dismounting easily.Yet in practice, fastening piece 1 and fairlead 2 can be for other forms of, a cover contiguous block that can connect by sliding mutually.For example, in another kind of possible implementation, fairlead 2 can be set to have chute, and with fastening piece 1 be set to have with fairlead 2 on the shape of projection of the corresponding cooperation of chute.Can realize like this, equally mounting and dismounting easily.
In addition, in the present embodiment, fastening piece 1 directly is weldingly fixed on the front apron 6, yet in practice, fastening piece 1 also can other direct or indirect modes, are fixed on the front apron 6 as the mode by bolt.
In the present embodiment, two openings of chute 11 are positioned at the two ends up and down of fastening piece 1, and wherein under shed is the wedge shape gap, slipping into of guide pad 2 skidded off played guide effect.Certainly, in practice, chute 11 can be only in the upper end of fastening piece 1 or only have opening in the lower end of fastening piece 1; When fastening piece when all there is the opening of chute 11 at two ends about in the of 1, also two openings up and down all can be made as the wedge shape targeting port, slip into, skid off in chute 11 to make things convenient for fairlead 2.In addition, as can be seen, fairlead 2 is the circular structure from Fig. 1 and Fig. 4, and in practice, it also can be processed into the shape that slips into, skids off in any other chute that is adapted at fastening piece 1 11.
From Fig. 1,2 and Fig. 3 can see that fairlead 2 excircles are provided with first helicla flute 21, regulating sleeve 4 excircles are provided with second helicla flute 41, the two ends of spring 3 are connected to fairlead 2 and regulating sleeve 4 by first helicla flute 21 and second helicla flute 41 respectively.Intermediate bar 5 is a round bar, its rear end is connected with screed 7 by screw thread, and be arranged with locking nut 52, intermediate bar 5 is locked on the screed 7, application of force fulcrum during formation work, thread connecting mode between intermediate bar 5 and the screed 7 makes that installation and removal are very convenient, and can regulate the spacing of intermediate bar 5 by the position that adjusting nut 52 is locked vertically.Spring 3 is set on the intermediate bar 5.The fairlead 2 that is connected spring 3 front ends can endwisely slip at the front end of intermediate bar 5, and passes through convex shoulder 51 axial limitings of intermediate bar 5 front ends.Convex shoulder 51 is the boss shape, is convenient to processing and fabricating.Convex shoulder 51 is used for can remaining on position to be installed in front apron 6 dismounting rear spring 3, as shown in Figure 2.Like this, when once more front apron being installed,, therefore can be installed together straining position-limit mechanism and front apron easily because this spring 3 is corresponding with the lozenges of wedge shape gap on the fastening piece 1 among the figure when position to be installed.Under the state of fairlead 2 near convex shoulder 51, the front end of intermediate bar 5 stretches out described fairlead 2 outer certain distances.This makes that after fairlead 2 slipped into fastening piece 1, the front end of intermediate bar 5 can withstand fastening piece 1, plays position-limiting action when this tension position-limit mechanism is installed.Regulating sleeve 4 is a sleeve-like configuration, and it is threaded with intermediate bar 5 between screed 7 and spring 3, be convenient to like this adjust, thereby can be in time along intermediate bar 1 move axially regulating sleeve 4 so that the suitable pretightning force of spring 3 generations in the course of the work.
By being appreciated that above 3 pairs of front aprons of spring provide tightening force, it is as elastic joint part, and cost is low, and simple in structure.In practice, spring 3 can be other forms of elastic connecting element, for example elastic sheet metal etc.And, first helicla flute 21 and second helicla flute 41 are the syndetons corresponding to spring 3, be convenient to processing on the one hand, on the other hand, be convenient to spring 3 respectively to the fairlead 2 and regulating sleeve 4 application of forces, it is stressed to make that fairlead 2 and regulating sleeve 4 all are able to when spring stretches and compresses, in practice, form corresponding to elastic connecting element, it can be transformed to first connecting portion and second connecting portion of various ways, for example, the internal diameter of fairlead 2 running-ons is provided with first helicla flute 21, and the internal diameter of regulating sleeve 4 running-ons is provided with second helicla flute 41.
In addition, in the present embodiment, spring 3 is connected on the casing of screed 7 indirectly by regulating sleeve 4 and intermediate bar 5.In practice, according to actual conditions, also the rear end of spring directly can be connected on the casing of screed 7 with clasp joint, mode such as be spirally connected.
In an embodiment, spring 3 is set on the intermediate bar 5 via fairlead 2 and regulating sleeve 4, and fairlead 2 at intermediate bar 5 front ends slidably abuts against under free state on the convex shoulder 51 of intermediate bar 5 front ends, and intermediate bar 5 front ends stretch out certain distance outside the fairlead 2.When this tension position-limit mechanism was installed, fairlead 2 slipped into chute 11 inside by the wedge shape gap of chute 11 lower ends of fastening piece 1.Along with the lozenges of fairlead 2 along fastening piece 1 moves, fairlead 2 is slided along intermediate bar 5, and then make the front end of intermediate bar 5 withstand fastening piece 1, with the gap between spacing front apron 6 and the hammer ram drift.Can regulate the degree of depth that is threaded between intermediate bar 5 and the screed 7 position by the position that adjusting lock nut 52 is locked vertically with spacing front apron 6.In the work, when the hammer ram drift backs down front apron 6, because fastening piece 1 has fastened fairlead 2, make fairlead 2 break away from convex shoulder 51, the pretightning force of spring 3 becomes external broach by internal force, this moment, the pretightning force tension fastening piece 1 by spring 3 and then provided the tightening force of flexible timely adjusting for front apron 6; When front apron 6 was got back to former position when static, intermediate bar 5 continued it is spacing.That is, when fairlead 2 and 1 interlock of fastening piece, the pretightning force of spring 3 can be acted on the front apron 6, and make intermediate bar 5 play position-limiting action; Fastening piece 1 is skidded off fairlead 2, fairlead 2 is separated with fastening piece 1, get final product the pulling force of retracting spring 3, very convenient.Because regulating sleeve 4 is threaded with intermediate bar 5, can be in time by moving axially the size that the tightening force of regulating spring 3 is come in the position of regulating sleeve 4 on intermediate bar 5.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. the tension position-limit mechanism of a paver front apron is characterized in that: comprising:
Elastic connecting element (3) is arranged between the screed (7) and front apron (6) of described paver, and its first end directly or indirectly is connected to described screed (7);
First contiguous block (1) is fixedly attached to the front apron (6) of paver, and described first contiguous block (1) is provided with and connects chute or connection bump; And
Second contiguous block (2) is connected with second end of described elastic connecting element (3), described second contiguous block (2) be provided with described first contiguous block (1) on the connection chute or the connection bump of the corresponding cooperation of connection bump or connect chute.
2. the tension position-limit mechanism of paver front apron according to claim 1 is characterized in that, also comprises:
Intermediate bar (5), its first end is fixedlyed connected with screed (7), and its second end extends towards described front apron (6);
Regulating sleeve (4), the position is installed on the described intermediate bar (5) adjustablely vertically, is positioned between described screed (7) and the described elastic connecting element (3), and is connected with described elastic connecting element (3);
Wherein, described first contiguous block (1) is a fastening piece (1), and described fastening piece (1) has described connection chute (11), and the opening of described connection chute (11) is arranged on the end face of described fastening piece (1);
Wherein, described second contiguous block (2) is fairlead (2), and described fairlead (2) has described connection bump, and described fairlead (2) axially is slidably disposed on the described intermediate bar (5) along described intermediate bar (5);
Wherein, described elastic connecting element (3) is arranged on the described intermediate bar (5), and described elastic connecting element (3) two ends are connected respectively on described fairlead (2) and the described regulating sleeve (4).
3. the tension position-limit mechanism of paver front apron according to claim 2 is characterized in that, has the convex shoulder (51) to described fairlead (2) axial limiting on the described intermediate bar (5).
4. the tension position-limit mechanism of paver front apron according to claim 2 is characterized in that, described intermediate bar (5) is a round bar, and described regulating sleeve (4) is threaded with described intermediate bar (5).
5. the tension position-limit mechanism of paver front apron according to claim 2 is characterized in that, the guide part that the chute (11) of described fastening piece (1) has wedge shape.
6. the tension position-limit mechanism of paver front apron according to claim 2 is characterized in that,
Described fairlead (2) is connected by first connecting portion (21) with described elastic connecting element (3);
Described regulating sleeve (4) is connected by second connecting portion (41) with described elastic connecting element (3).
7. the tension position-limit mechanism of paver front apron according to claim 6 is characterized in that, described elastic connecting element (3) is a spring, and described spring housing is located on the described intermediate bar (5).
8. the tension position-limit mechanism of paver front apron according to claim 7 is characterized in that,
Described first connecting portion (21) is for being arranged on first helicla flute on the described fairlead (2);
Described second connecting portion (41) is for being arranged on second helicla flute on the described regulating sleeve (4).
9. the tension position-limit mechanism of paver front apron according to claim 2 is characterized in that, described fastening piece (1) is c-shaped.
10. the tension position-limit mechanism of paver front apron according to claim 2, it is characterized in that, first end of described intermediate bar (5) is threaded with screed (7), and is arranged with described intermediate bar (5) is locked in locking nut (52) on the described screed (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201528229U CN201678928U (en) | 2010-04-08 | 2010-04-08 | Tensioning and position-limiting mechanism for front baffle of spreading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201528229U CN201678928U (en) | 2010-04-08 | 2010-04-08 | Tensioning and position-limiting mechanism for front baffle of spreading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201678928U true CN201678928U (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201528229U Expired - Fee Related CN201678928U (en) | 2010-04-08 | 2010-04-08 | Tensioning and position-limiting mechanism for front baffle of spreading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201678928U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603257A (en) * | 2013-11-29 | 2014-02-26 | 中联重科股份有限公司 | Paving machine |
| CN109736173A (en) * | 2018-12-21 | 2019-05-10 | 合肥佳恩特机械制造有限公司 | A kind of paver screed with locking function |
| CN109914196A (en) * | 2019-03-28 | 2019-06-21 | 中联重科股份有限公司 | The side tension device and paver of screed |
-
2010
- 2010-04-08 CN CN2010201528229U patent/CN201678928U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603257A (en) * | 2013-11-29 | 2014-02-26 | 中联重科股份有限公司 | Paving machine |
| CN103603257B (en) * | 2013-11-29 | 2015-10-07 | 中联重科股份有限公司 | Paver |
| CN109736173A (en) * | 2018-12-21 | 2019-05-10 | 合肥佳恩特机械制造有限公司 | A kind of paver screed with locking function |
| CN109914196A (en) * | 2019-03-28 | 2019-06-21 | 中联重科股份有限公司 | The side tension device and paver of screed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Address before: 410013 No. 361 South silver basin, Hunan, Changsha Patentee before: Chang Sha Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |
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| 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: 20101222 Termination date: 20160408 |