CN202705870U - Compaction beam for screed plate, screed plate and paving machine - Google Patents
Compaction beam for screed plate, screed plate and paving machine Download PDFInfo
- Publication number
- CN202705870U CN202705870U CN 201220270755 CN201220270755U CN202705870U CN 202705870 U CN202705870 U CN 202705870U CN 201220270755 CN201220270755 CN 201220270755 CN 201220270755 U CN201220270755 U CN 201220270755U CN 202705870 U CN202705870 U CN 202705870U
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- Prior art keywords
- blade
- screed
- eccentric shaft
- paver
- connection block
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Abstract
The utility model discloses a compaction beam for a screed plate, the screed plate and a paving machine. The compaction beam for the screed plate comprises an eccentric mechanism, connecting seats, a blade and support seats, wherein the eccentric mechanism is driven by a power driving device to rotate, is pivoted with the connecting seats, and drives the blade hinged with the connecting seats to reciprocally move; each support seat is provided with a spindle limiting hole for the eccentric mechanism, and is connected with a screed plate frame of the paving machine through a fastening part; and in the rotating process of an eccentric shaft, the connecting seats are driven by the rotary motions of an outer circle to reciprocally move, and drive the blade to reciprocally move. The compaction beam for the screed plate is simple in structure, low in cost and convenient to disassemble, and the post maintenance of equipment is facilitated.
Description
Technical field
The utility model relates to engineering machinery field, particularly a kind of screed compacting beam, screed and paver.
Background technology
Paver be the different gradation that will stir mixture laying evenly, impact compaction, press real smooth a kind of engineering machinery, be to build the indispensable key equipments such as speedway and high-grade highway.In recent years, along with the continuous prolongation of highway construction mileage, the effect of paver in pavement construction is more and more important.
Screed is the key operation device of paver, and its road pavement compactness, planeness play vital effect.Screed compacting beam is the device that a kind of tamping frequency is higher than spreading machine vibrator, its major function is the reciprocating motion that produces the vertical direction of high frequency, to playing secondary tamping and road surface smoothing through the road surface after the preliminary tamping of vibrator and the ironing of screed base plate, improve fineness and the compactness on the rear road surface that paves.
At present, screed compacting beam adopts hydraulic-driven usually, utilizes the high-speed pulse oil cylinder to realize the reciprocating motion of its vertical direction.But the shortcoming of this kind screed compacting beam is: hydraulic-driven is comparatively harsh to technical requirementss such as the accuracy of manufacture and air-proof conditions, causes thus equipment cost high, and drive unit be damaged after easy-maintaining not.
The utility model content
The utility model proposes a kind of screed compacting beam, screed and paver,, the not problem of easy-maintaining high with the existing screed compacting beam cost that solves.
The utility model provides a kind of screed compacting beam, is used for paver, comprising: eccentric stiffener, Connection Block, blade and supporting seat; Wherein,
Described eccentric stiffener is driven by Power Drive Unit and rotates;
Described Connection Block and described eccentric stiffener articulate, and described eccentric stiffener drives the blade reciprocating motion hinged with described Connection Block;
Described supporting seat is provided with the main shaft spacing hole of described eccentric stiffener, and is connected with the ironing grillage of described paver by securing member.
Further, described eccentric stiffener is eccentric shaft.
Further, described Connection Block is provided with eccentric shaft cylindrical installing hole, the cylindrical interference fits of described eccentric shaft cylindrical installing hole and described eccentric shaft.
Further, described supporting seat also comprises positioning section; Described positioning section comprises:
Be installed on the boss on the described supporting seat, described boss is provided with positioning hole;
The screw rod that is arranged in described positioning hole and is connected with described ironing grillage;
Be bolted in the boss setscrew nut of described screw rod.
Further, also be provided with the blade mount pad on the described blade, described blade mount pad and described Connection Block are hinged.
Further, also comprise: the blade position-limit mechanism, described blade position-limit mechanism is used for limiting the displacement in the horizontal direction of described blade.
Further, described blade position-limit mechanism is the blade postive stop baffle, and described blade postive stop baffle is vertically arranged and is connected with described blade contact.
The utility model also provides a kind of screed, is used for paver, and it is provided with above-mentioned screed compacting beam.
Further, also comprise transfer case, described transfer case comprises:
The first output that is in transmission connection with the power intake of described screed compacting beam;
The second output that is in transmission connection with the power intake of the vibrator of described paver.
The utility model also provides a kind of paver, and it is provided with above-mentioned screed.
The utility model provides a kind of screed compacting beam, and it comprises: eccentric stiffener is driven the Connection Block that moves reciprocatingly, the blade hinged with Connection Block by eccentric stiffener.The screed compacting beam that the utility model provides is to utilize in the eccentric stiffener rotation process: the gyration of eccentric part drives the reciprocating motion that Connection Block is done vertical direction and horizontal direction, Connection Block and blade are hinged, make blade mainly do the reciprocating motion of vertical direction.Relatively existing hydraulic-driven screed compacting beam, the screed compacting girder construction that the utility model provides is comparatively simple, and on the one hand cost is lower thus, and convenient disassembly on the other hand is convenient to the later period maintenance of equipment.
Accordingly, above-mentioned screed and paver also have simple in structure, and cost is lower, for convenience detach and advantage for ease of maintenaince.
Description of drawings
The accompanying drawing that consists of a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
The screed compacting girder construction schematic diagram that Fig. 1 provides for the utility model embodiment 1;
Fig. 2 is the partial enlarged drawing of Fig. 1;
The screed compacting girder construction schematic diagram that Fig. 3 provides for the utility model embodiment 1;
Fig. 4 is the structural representation of supporting base among the utility model embodiment 1;
Fig. 5 is the front view schematic diagram of eccentric shaft in the prior art;
Fig. 6 is the lateral view schematic diagram of eccentric shaft in the prior art;
The screed structural representation that Fig. 7 provides for the utility model embodiment 2;
The screed that Fig. 8 provides for the utility model embodiment 3 (removal shell) structural representation;
The paver structural representation that Fig. 9 provides for the utility model embodiment 4.
Description of reference numerals:
1 eccentric shaft, 2 Connection Blocks
21 eccentric shaft cylindrical installing holes, 3 blades
31 blade mount pads, 4 blade position-limit mechanisms
41 wear-resistant blocks, 5 supporting bases
51 boss, 52 installing holes
61 screw rods 62 raise the boss setscrew nut
63 downward modulation boss setscrew nuts, 7 ironing grillages
8 trip bolts, 10 screed compacting beams
11 vibrators, 12 transfer cases
121 CD-ROM drive motor installing ports, 122 screed compacting beams drive adpting flange
123 vibrators drive adpting flange 13 screeds
The specific embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment in the utility model can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Fig. 1 to Fig. 4 shows the structure of the screed compacting beam of the utility model embodiment 1.This screed compacting beam is used for paver, and it comprises:
Eccentric shaft 1, it links to each other with the CD-ROM drive motor of paver;
Connection Block 2, it is provided with eccentric shaft cylindrical installing hole 21;
Blade position-limit mechanism 4 is used for the displacement of restriction blade along continuous straight runs.
Supporting base 5, it is provided with eccentric shaft main shaft spacing hole, and links to each other with ironing grillage 7 by trip bolt 8; It also is provided with positioning section, and positioning section specifically comprises: be installed on the boss 51 on the supporting seat 5, this boss 51 is provided with positioning hole; The screw rod 61 that is arranged in this positioning hole and is connected with ironing grillage 7; Be bolted in the boss setscrew nut of screw rod 61; The boss setscrew nut specifically comprises: raise boss setscrew nut 62 and downward modulation boss setscrew nut 63, raise boss setscrew nut 62 and downward modulation boss setscrew nut 63 all is bolted in screw rod 61, be used for fixing lug boss 51(supporting base) 7 position on the ironing grillage.
The course of work of the screed compacting beam that the present embodiment provides is as follows:
CD-ROM drive motor drives eccentric shaft 1 and rotates;
Eccentric shaft 1 drives the reciprocating motion that Connection Block 2 is done vertical direction and horizontal direction;
Connection Block 2 is hinged with blade 3, mainly do the repeatedly motion of vertical direction with cutting blade 3, also has simultaneously horizontal movement by a small margin, the horizontal movement of blade position-limit mechanism 4 blade 3 plays position-limiting action, 3 on blade is vertically moved reciprocatingly, produce thus the impulse oscillation of screed compacting beam.
In the screed compacting beam that above-described embodiment provides, the structure of eccentric shaft 1 is same as the prior art, the structure of eccentric shaft for convenience of description, the structural representation (Fig. 5 and Fig. 6) of the eccentric shaft of introducing prior art is described the structure of eccentric shaft, it comprises: main shaft 101 and cylindrical 102, the axis of cylindrical 102 does not overlap with the axis of main shaft 101 is parallel.Main shaft 101 links to each other with drive unit, drives the gyration that cylindrical 102 is done certain track.
In the present embodiment, eccentric shaft 1 can be provided with the different a plurality of cylindricals of eccentric throw, realizes the adjusting of screed compacting beam pulse stroke in the use procedure by the Connection Block of changing and cylindrical is adaptive.It will be understood by those skilled in the art that eccentric shaft also can adopt the mode of the sheathed eccentric bushing of main shaft, can be provided with corresponding inner chamber in the eccentric shaft cylindrical installing hole 21, reach the purpose that different eccentric bushings is adjusted the size of pulse beam stroke is installed.
Need to prove, eccentric shaft 1 is as eccentric stiffener, and it also can adopt other form, and is concrete such as crank, and bent axle etc. can reach the effect that driving Connection Block 2 moves reciprocatingly equally.Above-mentioned eccentric stiffener all have main shaft and with axially parallel and disjoint eccentric part of described main shaft, main shaft links to each other with drive unit, eccentric part is done gyration along the axle center of main shaft in the rotation process.
Connection Block 2 is provided with eccentric shaft cylindrical installing hole 21, is used for the cylindrical of setting-up eccentricity axle 1, and Connection Block 2 is used for the gyration of eccentric shaft 1 is converted into the reciprocating motion of vertical direction and horizontal direction.It will be understood by those skilled in the art that the cylindrical of eccentric shaft cylindrical installing hole 21 and eccentric shaft 1 can adopt pivot joint in order to reach above-mentioned technique effect, the cylindrical matched in clearance of specifically being connected with eccentric shaft such as eccentric shaft cylindrical installing hole 21, interference fits or bearing connect.In order to increase the power transmission ratio of eccentric shaft 1, reduce power transmission loss, reduce in eccentric shaft 1 rotation process collision with eccentric shaft cylindrical installing hole 21, the cylindrical interference fits of the preferred and eccentric shaft 1 of eccentric shaft cylindrical installing hole 21.
In the present embodiment, blade 3 is provided with blade mount pad 31, and blade mount pad 31 is threaded with blade 3, and Connection Block 2 is hinged with blade mount pad 31.Need to illustrate, it is a kind of preferred versions that blade 3 arranges blade mount pad 31, its role is to be convenient to more allowing blade replacement; Blade 3 also can not establish blade mount pad 31 and directly and Connection Block 2 hinged.Hingedly can adopt mode well known to those skilled in the art, concrete as hinged etc. by bearing pin.
Blade position-limit mechanism 4 is used for the horizontal movement of restriction blade 3, and blade 3 is vertically moved, and reduces the beat of blade 3.In the present embodiment, blade position-limit mechanism 4 is the blade postive stop baffle, and it is vertically arranged and is connected with blade 3 contacts.Need to prove, above-mentioned blade position-limit mechanism 4 can adopt alternate manner well known to those skilled in the art, and such as limited block, spacing slideway etc., the vertical motion that the horizontal movement that only needs assurance to limit blade does not affect blade gets final product.
Further, also preferably be provided with wear-resistant block 41 on the postive stop baffle, the arranged direction of this wear-resistant block 41 is also parallel with the arranged direction of blade 3, and is connected with blade 3 contacts.Because wear-resistant block 41 has excellent anti-wear performance, can rub and not be damaged with blade 3 for a long time, also prolonged thus the application life of postive stop baffle.
It will be understood by those skilled in the art that therefore above-mentioned blade position-limit mechanism can not established yet because Connection Block 2 is to be articulated and connected with blade 3, and the amplitude of oscillation of blade 3 horizontal movements is less, and the impact of blade 3 vertical direction impact forces is less.
The effect of supporting base 5 is in the present embodiment:
Eccentric shaft 1 is played position-limiting action, and it is provided with eccentric shaft main shaft spacing hole and links to each other with ironing grillage 7 by trip bolt 8, and the main shaft of eccentric shaft 1 passes eccentric shaft main shaft spacing hole and links to each other with CD-ROM drive motor.The rotation of eccentric shaft 1 improves the stability of blade 3 impulse movements owing to there being the position-limiting action of supporting base 5 to be difficult for being offset.
Adjust the vertical position of eccentric shaft 1 by positioning section, eccentric shaft 1 is connected with blade 3 by Connection Block 2, has also regulated thus the vertical position of blade 3, plays the effect of regulating screed compacting beam pulse stroke; When needs are regulated screed compacting beam pulse stroke, those skilled in the art can turn on and raise boss setscrew nut 62, adjust the position of boss 51 on screw rod 61, then turn on and reduce boss setscrew nut 63 to it and boss 51 bottoms after being shifted, tighten and raise boss setscrew nut 62 and reduce boss setscrew nut 63.
Further, in order not affect the positioning effect of screw rod 61, the aperture of installing hole 52 is greater than the double-screw bolt diameter of trip bolt 8, in order to reserve the positioning space.It will be appreciated by those skilled in the art that: the pulse stroke of screed compacting beam is less, the positioning amplitude of supporting base 5 is also lower, so the installing hole 52 that needs and the gap of trip bolt 8 are also less, therefore adopt above-mentioned securing member screw 8 and installing hole 52 not to affect it to the positioning action of supporting base.
Further, installing hole 52 can be selected counter sink, is used for saving the part footprint, makes screed compacting girder construction more compact.
Need to prove, positioning section adopts screw rod 61 in the present embodiment, and it also can adopt the stopping means of other position-adjustable well known to those skilled in the art, and the utility model is not given unnecessary details hereby to this.
Need to prove, the setting of above-mentioned positioning section is a kind of preferred version of being convenient to regulate screed compacting beam pulse stroke, and it can not established yet, and corresponding, supporting base 5 also can not established boss 51.
Need to illustrate, the securing member that is used for fixed supporting seat in the present embodiment is dog screw, and it also can adopt other parts well known to those skilled in the art.It will be appreciated by those skilled in the art that, in order not affect the fixation of location securing member, the aperture of the installing hole of securing member refers to greater than the diameter of securing member: connecting portion (being installed on the part in the installing hole) diameter is less than the installing hole diameter, and securing member top cap diameter needs greater than the installing hole aperture.
For the spacing hole that reduces supporting base 5 and the friction of eccentric shaft 1, also preferably be provided with axle sleeve in above-described embodiment in the spacing hole, to prolong the application life of eccentric shaft.
See also Fig. 7, the utility model embodiment 2 also provides a kind of screed, and it is used for paver, and it is provided with above-mentioned screed compacting beam 10.
The eccentric shaft of screed compacting beam 10 rotates a circle can drive the reciprocating motion that screed compacting beam is done a vertical direction.Thus, for the pulse frequency of promoting or transferring joint screed compacting beam, above-mentioned screed also preferably includes speed changer, and its input links to each other with CD-ROM drive motor, and output links to each other with the power intake (main shaft of eccentric shaft 1) of screed compacting beam 10.
Concrete, speed changer can adopt transfer case, the screed structural representation that provides for the utility model embodiment 3 such as Fig. 8, it is provided with transfer case 12, this transfer case 12 comprises: the first output and the second output, and the power intake (main shaft of eccentric shaft 1) of the first output and screed compacting beam 10 is in transmission connection; The power intake of the second output and vibrator 11 is in transmission connection.
Concrete, the transfer case 12 that the present embodiment provides is provided with:
CD-ROM drive motor installing port 121 is used for installing CD-ROM drive motor;
Screed compacting beam drives adpting flange 122, and it links to each other with the power intake (main shaft of eccentric shaft 1) of screed compacting beam 10;
Vibrator drives adpting flange 123, and its power intake with vibrator 11 links to each other.
The screed that this enforcement provides adopts the transfer case with two grades of functions, by stirring the gearshift that is positioned on the transfer case, CD-ROM drive motor can realize driving separately vibrator, two kinds of patterns of driven in synchronism screed compacting Liang Liang and vibrator make the paver with this screed can adapt to the multiple road construction environment.
Further, the gearratio that the gearratio of transfer case 12 interior driving screed compacting beams vibrates greater than driving is set, plays the frequency amplification to screed compacting beam.
See also Fig. 9, the utility model embodiment 3 also provides a kind of paver, and it is provided with above-mentioned screed 13.
Need to prove, the CD-ROM drive motor in the above-mentioned enforcement also can be replaced by other Power Drive Unit.
As shown in the above, the screed compacting beam that the utility model provides is to utilize in the eccentric stiffener rotation process: the gyration of eccentric part drives Connection Block, and to make reciprocating motion → Connection Block and the blade of vertical direction and horizontal direction hinged, and Connection Block band cutting blade is mainly done the repeatedly motion of vertical direction.Relatively existing hydraulic-driven screed compacting beam, the screed compacting girder construction that the utility model provides is comparatively simple, and on the one hand cost is lower thus, and convenient disassembly on the other hand is convenient to the later period maintenance of equipment.
Accordingly, above-mentioned screed and paver also have simple in structure, and cost is lower, for convenience detach and advantage for ease of maintenaince.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a screed compacting beam is used for paver, it is characterized in that, comprising: eccentric stiffener, Connection Block (2), blade (3) and supporting seat (5); Wherein,
Described eccentric stiffener is driven by Power Drive Unit and rotates;
Described Connection Block (2) articulates with described eccentric stiffener, and described eccentric stiffener drives blade (3) reciprocating motion hinged with described Connection Block (2);
Described supporting seat (5) is provided with the main shaft spacing hole of described eccentric stiffener, and is connected with the ironing grillage (7) of described paver by securing member.
2. screed compacting beam according to claim 1 is characterized in that, described eccentric stiffener is eccentric shaft (1).
3. screed compacting beam according to claim 2 is characterized in that, described Connection Block is provided with eccentric shaft cylindrical installing hole (21), the cylindrical interference fits of described eccentric shaft cylindrical installing hole (21) and described eccentric shaft (1).
4. screed compacting beam according to claim 1 is characterized in that, described supporting seat (5) also comprises positioning section; Described positioning section comprises:
Be installed on the boss (51) of (5) on the described supporting seat, described boss (51) is provided with positioning hole;
The screw rod (61) that is arranged in described positioning hole and is connected with described ironing grillage (7);
Be bolted in the boss setscrew nut of described screw rod (61).
5. screed compacting beam according to claim 1 is characterized in that, also is provided with blade mount pad (31) on the described blade (3), and described blade mount pad (31) is hinged with described Connection Block (2).
6. screed compacting beam according to claim 1 is characterized in that, also comprises: blade position-limit mechanism (4), described blade position-limit mechanism (4) is used for limiting described blade (3) displacement in the horizontal direction.
7. screed compacting beam according to claim 6 is characterized in that, described blade position-limit mechanism (4) is the blade postive stop baffle, and described blade postive stop baffle is vertically arranged and is connected with described blade (3) contact.
8. a screed is used for paver, it is characterized in that, it is provided with the described screed compacting of claim 1 ~ 7 any one beam (10).
9. screed according to claim 8 is characterized in that, also comprises transfer case (12), and described transfer case (12) comprising:
The first output that is in transmission connection with the power intake of described screed compacting beam (10);
The second output that is in transmission connection with the power intake of the vibrator (11) of described paver.
10. a paver is characterized in that, is provided with the described screed of claim 8 ~ 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220270755 CN202705870U (en) | 2012-06-08 | 2012-06-08 | Compaction beam for screed plate, screed plate and paving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220270755 CN202705870U (en) | 2012-06-08 | 2012-06-08 | Compaction beam for screed plate, screed plate and paving machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202705870U true CN202705870U (en) | 2013-01-30 |
Family
ID=47586189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220270755 Expired - Lifetime CN202705870U (en) | 2012-06-08 | 2012-06-08 | Compaction beam for screed plate, screed plate and paving machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202705870U (en) |
-
2012
- 2012-06-08 CN CN 201220270755 patent/CN202705870U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |
|
| CX01 | Expiry of patent term |