CN103603257B - Paver - Google Patents

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Publication number
CN103603257B
CN103603257B CN201310628346.1A CN201310628346A CN103603257B CN 103603257 B CN103603257 B CN 103603257B CN 201310628346 A CN201310628346 A CN 201310628346A CN 103603257 B CN103603257 B CN 103603257B
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CN
China
Prior art keywords
elastic tensioning
pull bar
setting sleeve
fine setting
pulling force
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Active
Application number
CN201310628346.1A
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Chinese (zh)
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CN103603257A (en
Inventor
龚志高
刘兵华
王伟
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN201310628346.1A priority Critical patent/CN103603257B/en
Publication of CN103603257A publication Critical patent/CN103603257A/en
Application granted granted Critical
Publication of CN103603257B publication Critical patent/CN103603257B/en
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Abstract

The invention provides a kind of paver, this paver comprises casing and is positioned at the front apron at casing rear, hammer ram mechanism installing space is formed between front apron and casing, this paver also comprises: take-up device, comprise the elastic tensioning part mechanism be arranged in hammer ram mechanism installing space and the pulling force adjusting portion be positioned at outside hammer ram mechanism installing space, second end of elastic tensioning part is connected with pulling force adjusting portion, and pulling force adjusting portion has makes elastic tensioning part be in the primary importance of tensioning state and make elastic tensioning part be in the second place removing tensioning state.Paver provided by the invention is in the arranged outside pulling force adjusting portion of hammer ram mechanism installing space, achieve elastic tensioning part in tensioning state and the conveniently switching removing tensioning state, reduce the time that elastic tensioning part is in tension, reduce the elastic loss of elastic tensioning part, improve the application life of elastic tensioning part.

Description

Paver
Technical field
The present invention relates to pavement engineering apparatus field, especially, relate to a kind of paver.
Background technology
Paver is when constructing, when eccentric shaft in hammer ram mechanism on screed rotates, its lower end drift produces at casing fore-and-aft direction and swings, thus cause producing gap between the scraper plate on front apron and drift, material is entered in hammer ram mechanism when drift moves up and down, enter in hammer ram system to prevent material, generally between front apron and casing, a take-up device is installed, scraper plate on guarantee front apron and drift are close together, in order to avoid material enters hammer ram mechanisms influence spreading quality, ensure engineering construction progress.
Take-up device of the prior art be all utilize the spring be connected between front apron and paver material storage tank body to ensure scraper plate on front apron and drift are close together, although the tightening force of spring can carry out certain adjustment by regulating part, but only have when spring occurs that after long-time use tensile force declines or needs dismounting front apron just to regulate the tensile force that regulating part can be utilized spring, and such adjustment is once after completing once, before next time regulates, spring all can be in same tensioning state, no matter paver is work or quits work, this will cause spring to be in the state of tensioning for a long time, add the loss of spring, reduce the application life of spring, add the cost that paver is safeguarded.
Summary of the invention
The object of the invention is to provide a kind of paver, conveniently cannot carry out the technical problem regulated with the tensile force solving the spring of the front apron take-up device of existing paver.
For achieving the above object, the invention provides a kind of paver, comprise casing and be positioned at the front apron at casing rear, hammer ram mechanism installing space is formed between front apron and casing, also comprise: take-up device, comprise the elastic tensioning mechanism be arranged in hammer ram mechanism installing space and the pulling force adjusting portion be positioned at outside hammer ram mechanism installing space, elastic tensioning mechanism comprises elastic tensioning part, wherein, the first end of elastic tensioning part is connected with front apron, second end of elastic tensioning part is connected with pulling force adjusting portion, pulling force adjusting portion has makes elastic tensioning part be in the primary importance of tensioning state and make elastic tensioning part be in the second place removing tensioning state.
Further, elastic tensioning mechanism also comprises: the first pull bar, between the first end being connected to elastic tensioning part and front apron; Second pull bar, is connected between the second end of elastic tensioning part and pulling force adjusting portion.
Further, the first end of the first pull bar and front apron removably connect.
Further, elastic tensioning mechanism also comprises connection keeper, connect draw-in groove keeper being formed with one end open, the first end of the first pull bar has the flange extended radially, and flange is arranged in draw-in groove and removably connects with the first end and front apron that make the first pull bar.
Further, the second end of the first pull bar has the first connecting ring portion, and the first end of elastic tensioning part has the second connecting ring portion, is connected between the second connecting ring portion with the first connecting ring portion by the first bolt; Second end of elastic tensioning part has the 3rd connecting ring portion, and the first end of the second pull bar has the 4th connecting ring portion, is connected between the 4th connecting ring portion with the 3rd connecting ring portion by the second bolt.
Further, take-up device also comprises: fine setting sleeve, first end is positioned at hammer ram mechanism installing space, the periphery of fine setting sleeve is formed with the first fine tuning structure, the inwall of casing is formed match to make with the first fine tuning structure the second end of fine setting sleeve apart from fine-tuning near or the second fine tuning structure of direction movement away from hammer ram mechanism installing space, elastic tensioning part is telescopically arranged in fine setting sleeve with the movement of the second end of fine setting sleeve.
Further, the first fine tuning structure is the thread segment being arranged on fine setting sleeve; Second fine tuning structure is the screwed hole be arranged on the inwall of casing, and the second end of fine setting sleeve is positioned at outside hammer ram mechanism installing space through screwed hole.
Further, the periphery of finely tuning sleeve is also provided with matches to enter line-locked retainer nut to finely tuning sleeve with thread segment.
Further, second end of finely tuning sleeve is formed and makes pulling force adjusting portion be in the first location structure of primary importance and make pulling force adjusting portion be in the second location structure of the second place.
Further, the inside of the second end of fine setting sleeve is provided with the first baffle plate, second end of the second pull bar is connected with pulling force adjusting portion through the first baffle plate, the part that pulling force adjusting portion is connected with the second end of the second pull bar is formed and to offset the top of pushing up with the first baffle plate, and match with the first baffle plate formation second location structure in top.
Further, second end of fine setting sleeve is formed and tilts crossing spigot surface with the axis of fine setting sleeve, pulling force adjusting portion extending radially out and contacting with spigot surface to move between the first location and the second location with driving the second pull bar synchronous axial system along the second pull bar.
Further, the first location structure is the groove be formed on spigot surface.
Further, the periphery of the first pull bar is also provided with second baffle, and be also provided with back-moving spring in fine setting sleeve, the two ends of back-moving spring abut against with the first baffle plate and second baffle respectively.
Further, elastic tensioning part is spring.
According to a further aspect in the invention, additionally provide a kind of engineering machinery, it comprises above-mentioned
The present invention has following beneficial effect:
The invention provides a kind of paver, this paver comprises casing and is positioned at the front apron at casing rear, hammer ram mechanism installing space is formed between front apron and casing, in addition, this paver also comprises: take-up device, comprise the elastic tensioning part mechanism be arranged in hammer ram mechanism installing space and the pulling force adjusting portion be positioned at outside hammer ram mechanism installing space, second end of elastic tensioning part is connected with pulling force adjusting portion, and pulling force adjusting portion has makes elastic tensioning part be in the primary importance of tensioning state and make elastic tensioning part be in the second place removing tensioning state.Paver provided by the invention is pulling force adjusting portion due to the arranged outside at hammer ram mechanism installing space, overcome in prior art problem pulling force adjusting portion being arranged in hammer ram mechanism installing space and being not easy to operate and adjustable extent is limited on the one hand, on the other hand, achieve elastic tensioning part in tensioning state and the conveniently switching removing tensioning state, elastic tensioning part can be made to be adjusted to when not needing to carry out tension work the state removing tensioning at any time, reduce the time that elastic tensioning part is in tension, reduce the elastic loss of elastic tensioning part, improve the application life of elastic tensioning part.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the side schematic perspective view of the paver of the preferred embodiment of the present invention;
Fig. 2 is the main TV structure schematic diagram in side of the paver of the preferred embodiment of the present invention;
Fig. 3 is the internal construction schematic diagram of the take-up device of the preferred embodiment of the present invention;
Fig. 4 is the cross-sectional view of the take-up device of the preferred embodiment of the present invention; And
Fig. 5 is the perspective view of the take-up device of the preferred embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As depicted in figs. 1 and 2, the invention provides a kind of paver, this paver comprises casing 10 and is positioned at the front apron 30 at casing 10 rear, is formed with the hammer ram mechanism installing space for installing hammer ram mechanism between front apron 30 and casing 10.In order to make the scraper plate 31 of front apron 30 bottom can and drift 70 between keep in touch, paver provided by the invention also comprises take-up device 20, this take-up device 20 also comprises the elastic tensioning mechanism be arranged in hammer ram mechanism installing space and the pulling force adjusting portion 22 be positioned at outside hammer ram mechanism installing space, elastic tensioning mechanism comprises elastic tensioning part 21, wherein, the first end of elastic tensioning part 21 is connected with front apron 30, and the second end of elastic tensioning part 21 is connected with pulling force adjusting portion 22.Just in order to make elastic tensioning part 21 only be in tensioning state when needs, and idle time, remove tensioning, above-mentioned pulling force adjusting portion 22 has makes elastic tensioning part 21 be in the primary importance of tensioning state and make elastic tensioning part 21 be in the second place removing tensioning state.
As shown in Figures 3 to 5, paver provided by the invention, owing to pulling force adjusting portion 22 being arranged on outside hammer ram mechanism installing space, mechanism is provided separately with hammer ram, can avoid operate pulling force adjusting portion 22 time and hammer ram mechanism interfere, and, as can be seen from Figure 1, as a kind of concrete embodiment, in the present invention, pulling force adjusting portion 22 is arranged on the inside of casing 10, because the clearance spaces in casing 10 is larger, and be in the state (side shown in Fig. 1 is opening-wide state) that non-fully is closed, convenient operation personnel operate at any time to pulling force adjusting portion 22, can the tensioning of adjustable elastic tension part 21 in real time or relaxed state.
In order to realize tension effect, above-mentioned elastic tensioning mechanism also comprises: the first pull bar 23 and the second pull bar 25, first pull bar 23 is connected between the first end of elastic tensioning part 21 and front apron 30, and the second pull bar 25 is connected between the second end of elastic tensioning part 21 and pulling force adjusting portion 22.Utilize and be arranged on first pull bar 23 at elastic tensioning part 21 two ends and the second pull bar 25 and realize rigidity and combine with elasticity, reliable connection can be ensured, the effect of buffering can be played again.
For the ease of the dismounting of front apron 30, first end and the front apron 30 of the first pull bar 23 removably connect.
In order to realize removably connecting between the first end of the first pull bar 23 and front apron 30, elastic tensioning mechanism also comprises and connects keeper 27, connect draw-in groove keeper 27 being formed with one end open, the first end of the first pull bar 23 has the flange 23a extended radially, and flange 23a is arranged in draw-in groove and removably connects with the first end and front apron 30 that make the first pull bar 23.
In order to realize elastic tensioning part 21 and the connection between the first pull bar 23 and the second pull bar 25, second end of the first pull bar 23 has the first connecting ring portion 23c, the first end of elastic tensioning part 21 has the second connecting ring portion 21a, is connected between the second connecting ring portion 21a with the first connecting ring portion 23c by the first bolt 29a; Same, the first end of the second pull bar 25 has the 4th connecting ring portion 25a, and the second end of elastic tensioning part 21 has the 3rd connecting ring portion 21c, is connected between the 4th connecting ring portion 25a with the 3rd connecting ring portion 21c by the second bolt 29c.Utilize the connection that bolt realizes between elastic tensioning part 21 and two pull bars, be convenient to dismounting on the one hand, on the other hand there is reliable bonding strength, and compact conformation, can installing space be saved.
Due to elastic tension part 21 after a long time use, elasticity can reduce, and in order to can by simply adjusting the elastic force promoting elastic tension part 21, paver provided by the invention, also comprises fine setting sleeve 24.The first end of fine setting sleeve 24 is positioned at hammer ram mechanism installing space and is set in the periphery of elastic tensioning mechanism, the periphery of fine setting sleeve 24 is formed with the first fine tuning structure, the inwall of casing 10 is formed match to make with the first fine tuning structure the second end of fine setting sleeve 24 apart from fine-tuning near or away from the direction movement of hammer ram mechanism installing space the second fine tuning structure and, elastic tensioning part 21 is telescopically arranged in fine setting sleeve 24 with the movement of the second end of fine setting sleeve 24.When elastic tensioning part 21 is aging, when elasticity weakens, by regulating fine setting sleeve 24 and the installation site of the inwall of casing 10, the second end of fine setting sleeve 24 is moved to the direction away from hammer ram mechanism installing space, thus elastic tensioning part 21 is shunk, increase the elasticity of elastic tensioning part 21.
For the ease of regulating, and it is cost-saving, above-mentioned first fine tuning structure is the thread segment 24a being arranged on fine setting sleeve 24, and the second fine tuning structure is be arranged on the screwed hole on the inwall of casing 10, and the second end of fine setting sleeve 24 is positioned at outside hammer ram mechanism installing space through screwed hole.
The mode utilizing screw thread and screw to cooperatively interact realizes the movement of finely tuning sleeve 24, and structure is simple, is easy to realize.
The periphery of fine setting sleeve 24 is also provided with matches to enter line-locked retainer nut 26 to finely tuning sleeve 24 with thread segment 24a.Utilize retainer nut 26 that fine setting sleeve 24 can be prevented to be moved under the elastic force effect of elastic tensioning part 21.
Second end of fine setting sleeve 24 extend into the inside of casing 10 and is formed and makes pulling force adjusting portion 22 be in the first location structure of primary importance and make pulling force adjusting portion 22 be in the second location structure of the second place.Utilize fine setting sleeve 24 namely can realize the fine setting of the tightening force of elastic tensioning part 21, can realize again the location of pulling force adjusting portion 22, kill two birds with one stone.
Particularly, the inside of the second end of fine setting sleeve 24 is provided with the first baffle plate 24c, second end of the second pull bar 25 is connected with pulling force adjusting portion 22 through the first baffle plate 24c, the part that pulling force adjusting portion 22 is connected with the second end of the second pull bar 25 forms the top 22a supported with the first baffle plate 24c phase, and top 22a matches with the first baffle plate 24c formation second location structure.When second end of finely tuning sleeve 24 moves to the inside of casing 10, under coordinate of top 22a with the first baffle plate 24c, first baffle plate 24c promotes top 22a and moves in casing 10, drive the internal motion of the second end to casing 10 of the second pull bar 25 simultaneously, thus elastic tensioning part 21 is stretched, when pulling force adjusting portion 22 moves to primary importance, match with the first location structure of the second end of fine setting sleeve 24, make elastic tensioning part 21 stretching formation do enough tightening forces and keep in touch to make scraper plate 31 and drift 70.
For the ease of the movement of pulling force adjusting portion 22, second end of fine setting sleeve 24 is formed with the spigot surface 24e tilting crossing with the axis of fine setting sleeve 24, pulling force adjusting portion 22 extending radially out and contacting with spigot surface 24e to drive the second pull bar 25 synchronous axial system ground to move between the first location and the second location along the second pull bar 25.
In fact, the first location structure is the groove 24f be formed on spigot surface 24e.
In addition, the periphery of the first pull bar 23 is also provided with second baffle 23e, and be also provided with back-moving spring 28 in fine setting sleeve 24, the two ends of back-moving spring 28 abut against with the first baffle plate 24c and second baffle 23e respectively.When pulling force adjusting portion 22 is in the second place, elastic tension part 21 is in the state removing tensioning, and now, first pull bar 23 that back-moving spring 28 can be utilized to make to be separated with front apron 30 returns to original position, is convenient to removing and installing of front apron 30.
As a kind of concrete embodiment, above-mentioned elastic tensioning part 21 is spring.In the present invention, two springs are coaxially arranged, utilizes the tensile force of Flexible Connector 21 to keep scraper plate 31 and the contact of drift 70 on the one hand, utilize the expansionary force of back-moving spring 28 that first pull bar 23 is resetted on the other hand, save the operation of operating personnel, simplify workflow.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (14)

1. a paver, comprises casing (10) and is positioned at the front apron (30) at described casing (10) rear, form hammer ram mechanism installing space, it is characterized in that, also comprise between described front apron (30) and described casing (10):
Take-up device (20), comprise the elastic tensioning mechanism be arranged in described hammer ram mechanism installing space and the pulling force adjusting portion (22) be positioned at outside described hammer ram mechanism installing space, described elastic tensioning mechanism comprises elastic tensioning part (21),
Wherein, the first end of described elastic tensioning part (21) is connected with described front apron (30), second end of described elastic tensioning part (21) is connected with described pulling force adjusting portion (22), and described pulling force adjusting portion (22) has makes described elastic tensioning part (21) be in the primary importance of tensioning state and make described elastic tensioning part (21) be in the second place removing tensioning state.
2. paver according to claim 1, is characterized in that, described elastic tensioning mechanism also comprises:
First pull bar (23), between the first end being connected to described elastic tensioning part (21) and described front apron (30);
Second pull bar (25), between the second end being connected to described elastic tensioning part (21) and described pulling force adjusting portion (22).
3. paver according to claim 2, is characterized in that,
First end and the described front apron (30) of described first pull bar (23) removably connect.
4. paver according to claim 3, is characterized in that,
Described elastic tensioning mechanism also comprises and connects keeper (27), described connection keeper (27) is formed with the draw-in groove of one end open, the first end of described first pull bar (23) has the flange (23a) extended radially, and described flange (23a) is arranged in described draw-in groove and removably connects with the first end and described front apron (30) that make described first pull bar (23).
5. paver according to claim 2, is characterized in that,
Second end of described first pull bar (23) has the first connecting ring portion (23c), the first end of described elastic tensioning part (21) has the second connecting ring portion (21a), is connected between described second connecting ring portion (21a) with described first connecting ring portion (23c) by the first bolt (29a);
Second end of described elastic tensioning part (21) has the 3rd connecting ring portion (21c), the first end of described second pull bar (25) has the 4th connecting ring portion (25a), is connected between described 4th connecting ring portion (25a) with described 3rd connecting ring portion (21c) by the second bolt (29c).
6. paver according to claim 2, is characterized in that, described take-up device (20) also comprises:
Fine setting sleeve (24), first end is positioned at described hammer ram mechanism installing space, the periphery of described fine setting sleeve (24) is formed with the first fine tuning structure, the inwall of described casing (10) is formed to match with described first fine tuning structure to make the second end of described fine setting sleeve (24) apart from fine-tuning near or the second fine tuning structure of direction movement away from described hammer ram mechanism installing space, described elastic tensioning part (21) is telescopically arranged in described fine setting sleeve (24) with the movement of the second end of described fine setting sleeve (24).
7. paver according to claim 6, is characterized in that,
Described first fine tuning structure is for being arranged on the thread segment (24a) of described fine setting sleeve (24);
Described second fine tuning structure is for being arranged on the screwed hole on the inwall of described casing (10), and the second end of described fine setting sleeve (24) is positioned at outside described hammer ram mechanism installing space through described screwed hole.
8. paver according to claim 7, is characterized in that,
The periphery of described fine setting sleeve (24) is also provided with matches to enter line-locked retainer nut (26) to described fine setting sleeve (24) with described thread segment (24a).
9. paver according to claim 6, is characterized in that,
Second end of described fine setting sleeve (24) is formed and makes described pulling force adjusting portion (22) be in the first location structure of described primary importance and make described pulling force adjusting portion (22) be in the second location structure of the described second place.
10. paver according to claim 9, is characterized in that,
The inside of the second end of described fine setting sleeve (24) is provided with the first baffle plate (24c), second end of described second pull bar (25) is connected with described pulling force adjusting portion (22) through described first baffle plate (24c), the part that described pulling force adjusting portion (22) is connected with the second end of described second pull bar (25) forms the top (22a) supported mutually with described first baffle plate (24c), and described top (22a) matches with described first baffle plate (24c) and form described second location structure.
11. pavers according to claim 9, is characterized in that,
Second end of described fine setting sleeve (24) is formed with the spigot surface (24e) tilting crossing with the axis of described fine setting sleeve (24), described pulling force adjusting portion (22) extending radially out and contacting with described spigot surface (24e) to drive described second pull bar (25) synchronous axial system ground to move between described primary importance and the described second place along described second pull bar (25).
12. pavers according to claim 11, is characterized in that,
Described first location structure is for being formed at the groove (24f) on described spigot surface (24e).
13. pavers according to claim 10, is characterized in that,
The periphery of described first pull bar (23) is also provided with second baffle (23e), also be provided with back-moving spring (28) in described fine setting sleeve (24), the two ends of described back-moving spring (28) abut against with described first baffle plate (24c) and described second baffle (23e) respectively.
14. pavers according to any one of claim 1 to 13, is characterized in that,
Described elastic tensioning part (21) is spring.
CN201310628346.1A 2013-11-29 2013-11-29 Paver Active CN103603257B (en)

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Application Number Priority Date Filing Date Title
CN201310628346.1A CN103603257B (en) 2013-11-29 2013-11-29 Paver

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Application Number Priority Date Filing Date Title
CN201310628346.1A CN103603257B (en) 2013-11-29 2013-11-29 Paver

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CN103603257A CN103603257A (en) 2014-02-26
CN103603257B true CN103603257B (en) 2015-10-07

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113089424B (en) * 2021-04-13 2022-08-16 黄山路之梦交通工程有限责任公司 Asphalt pavement leveling device for highway engineering

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2835330Y (en) * 2005-09-23 2006-11-08 天津鼎盛工程机械有限公司 Anti-bending tension device for finishing plate of spreading machine
CN201678928U (en) * 2010-04-08 2010-12-22 长沙中联重工科技发展股份有限公司 Tensioning and position-limiting mechanism for front baffle of spreading machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2835330Y (en) * 2005-09-23 2006-11-08 天津鼎盛工程机械有限公司 Anti-bending tension device for finishing plate of spreading machine
CN201678928U (en) * 2010-04-08 2010-12-22 长沙中联重工科技发展股份有限公司 Tensioning and position-limiting mechanism for front baffle of spreading machine

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