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WO2013067869A1 - Plaque de repassage et dispositif d'étalement - Google Patents

Plaque de repassage et dispositif d'étalement Download PDF

Info

Publication number
WO2013067869A1
WO2013067869A1 PCT/CN2012/082093 CN2012082093W WO2013067869A1 WO 2013067869 A1 WO2013067869 A1 WO 2013067869A1 CN 2012082093 W CN2012082093 W CN 2012082093W WO 2013067869 A1 WO2013067869 A1 WO 2013067869A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing plate
screed
mounting seat
front baffle
locking device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2012/082093
Other languages
English (en)
Chinese (zh)
Inventor
严日村
徐仁建
许辉
刘兵华
许少铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Zoomlion Special Vehicle Co Ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
Original Assignee
Hunan Zoomlion Special Vehicle Co Ltd
Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Zoomlion Special Vehicle Co Ltd, Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Hunan Zoomlion Special Vehicle Co Ltd
Publication of WO2013067869A1 publication Critical patent/WO2013067869A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/14—Extendable screeds

Definitions

  • the present invention relates to the field of pavers, and in particular to a screed and a paver having the screed. Background technique
  • Stencils for pavers are mainly divided into mechanical extension screeds and hydraulic telescopic screeds.
  • Mechanically extended screeds are typically screeds that use a fastener such as a bolt to assemble a basic screed and lengthened screed into a desired working width.
  • the structure is simple, the overall stiffness is good, and the fabric is even.
  • the hydraulic telescopic screed usually has a secondary screed inserted on both sides of the main screed.
  • the main screed can adjust the working width of the screed steplessly through the telescopic movement of the hydraulic cylinder.
  • the width adjustment is convenient and labor-saving.
  • the overall rigidity is poor, and the quality of the paving will be affected when the adjustment is not proper.
  • a hybrid screed is also used, that is, the above two main structures are mixed and mixed, for example, on the outer side of the hydraulic telescopic screed, the screed is connected by a fastener such as a bolt, and the working principle and the above two main The structure is basically the same.
  • Figure 1 shows a mechanical extended screed that includes two screed units (ie, a basic screed and an extended screed), each screed unit having a front bezel.
  • this screed there is inevitably a gap between the front baffles of the two screed units, during which the paving material may squeeze through the gap.
  • the rear tamper mechanism cannot smoothly perform the slamming action due to the viscous material, thereby affecting the pre-compacting effect on the paving material, which in turn affects the paving quality of the entire pavement.
  • the present invention provides a screed comprising at least two screed units connected to each other along a length direction of the screed, each screed unit including a front bezel, the screed further comprising a sealing plate And a locking device, the sealing plate is releasably locked to the at least one front baffle by the locking device to cover a gap between the front baffles.
  • the present invention also provides a paver comprising the screed provided by the present invention.
  • the sealing plate can be loosely locked to the at least one front baffle by the locking device to cover the gap between the front baffles, so that the gap can be effectively shielded, and the structure is simple, and the disassembly and assembly is convenient.
  • Figure 1 is a schematic illustration of a prior art screed.
  • FIG. 2 is a schematic rear view of a screed in accordance with an embodiment of the present invention.
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
  • Figure 4 is a schematic illustration of a locking device in accordance with one embodiment of the present invention.
  • Figure 5 is a plan view of Figure 4.
  • Fig. 6 schematically shows a locking device according to another embodiment of the present invention.
  • Figure 7 is a partial enlarged view of a portion B of Figure 2.
  • Figure 8 is a partial enlarged view of a portion C of Figure 2.
  • Figure 9 is a partial enlarged view of a portion D of Figure 3.
  • Figure 10 is a schematic perspective view of the locking device shown in Figure 2. detailed description
  • orientation words used such as "up, down, left, right, front, and rear," are generally for the normal traveling direction of the paver, unless otherwise stated.
  • a screed comprising at least two screed units 10 connected to each other, each screed unit 10 including a front bezel 11, and the screed further
  • the sealing plate 20 and the locking device 30 are included, and the sealing plate 20 is releasably locked to the at least one front baffle 11 by the locking device 30 to cover the front baffle 11 The gap of 12.
  • the invention is primarily applicable to mechanically extended screeds and, of course, to hybrid screeds having a mechanically elongated configuration.
  • the screed has at least two screed units, and the concept of the screed unit referred to herein includes both a basic screed and an extended screed.
  • the sealing plate of the present invention can be applied between a basic screed and an extended screed, and can also be applied between two elongated screeds, as long as the two screed units are connected to each other and a gap is naturally formed therebetween. Just fine.
  • the closure panel of the present invention is preferably applied between all adjacent two screed units for optimum overall sealing.
  • the screed unit 10 generally includes a screed case 100 and a front bezel 11 on the front of the case, and the tamper mechanism 200 is generally disposed within the screed case 100.
  • a slit 12 is formed between the two front bezels 11.
  • a sealing plate 20 is provided, which can be loosely locked to at least one front bezel 11 by a locking device 30 to cover
  • the gap 12 between the two front baffles 11 prevents the paving material from entering the rear of the front baffle 11 through the slit 12, adversely affecting the tamper mechanism 200 or other components behind the front baffle 11.
  • Reference numeral 15 denotes a front bezel ear
  • 16 denotes a front bezel hook for connecting the front bezel 11 to the screed case 100.
  • the gap 12 between the two front bezels 11 can be shielded by the sealing plate 20, and the paving material can be substantially prevented from flowing into the rear of the front baffle 11 through the slit 12;
  • the sealing plate 20 is releasably locked to the front bezel 11 by the locking device 30, the attachment and detachment of the sealing plate 20 becomes very convenient, in the two screed units 10 After splicing, the sealing plate 20 can be conveniently installed by the locking device 30.
  • the front dam 11 is damaged or needs to be disassembled or replaced for other reasons, the front plate can be easily removed after the sealing plate 20 is detached. Board 11, easy to operate.
  • the sealing plate 20 may be attached to the front surface of the front bezel 11, or may be attached to the rear surface of the front bezel 11, even in order to obtain an optimum sealing effect, on the front surface and the rear.
  • a sealing plate 20 is mounted on the surface.
  • the sealing plate 20 is attached to the rear surface of the front bezel 11.
  • the paving material e.g., concrete, asphalt, etc.
  • the sealing plate 20 is attached to the rear surface of the front bezel 11.
  • the top of the front bezel 11 is generally designed to be bent backward, and the rearwardly curved top and the left and right side ribs of the front bezel 11 are ribbed.
  • the plates 14 together form a frame-like structure to enhance the overall strength of the front bezel 11.
  • the rearwardly curved top can be conveniently attached to a cover (not shown) above the screed.
  • the tops of the adjacent two front bezels 11 are preferably formed with opposite notches 13, through which the sealing sheet 20 can be inserted into the rear surface of the front bezel 11, and the sealing plate 20 The upper end is exposed upward from the pair of notches 13.
  • the sealing plate 20 when the sealing plate 20 is installed, the sealing plate 20 can be inserted from the upper and lower sides of the front bezel 11 from the pair of notches 13 at the top of the front bezel 11 so that the mounting is convenient.
  • the sealing material The upper end of the plate 20 is preferably exposed upwardly from the notch 13, whereby the sealing plate 20 can be easily pulled upward through the exposed upper end when the sealing plate 20 needs to be removed, so that the sealing plate 20 is more easily removed.
  • the upper end of the sealing plate 20 can be formed with an operation hole 21, by which the appropriate sealing tool 20 can be used to assist the disassembly and assembly of the sealing plate 20.
  • Homework, operation is more convenient.
  • the lower portion of the front flap 11 is generally designed to be inclined rearward and downward.
  • the sealing plate 20 when the sealing plate 20 is inserted downward from the notch 13 at the top of the front bezel 11, the lower end of the sealing plate 20 is also inclined toward the rear lower side, that is, against the rear surface of the front bezel 11, Thereby, the entire length of the gap 12 between the front bezels 11 can be substantially shielded.
  • the sealing plate 20 can be releasably locked to the at least one front bezel 11 by the locking device 30, that is, as long as the sealing plate 20 can be fixed to the front bezel 11 to shield the adjacent two The gap 13 between the front baffles 11 is sufficient.
  • the sealing plate 20 is releasably locked to the adjacent two front bezels 11 by two symmetrically disposed locking devices 30, as both sides of the sealing plate 20 pass The two symmetrical locking devices 30 are simultaneously locked to the two front baffles 11 , so that the two sides of the sealing plate 20 are balanced by force, and on the one hand, the deformation of both sides of the sealing plate 20 due to uneven force can be avoided.
  • both sides of the sealing plate 20 and the two front baffles 11 can be tightly fitted together to prevent the paving material from passing through the gap between the two front baffles 11 13 and the gap between the both sides of the sealing plate 20 and the front baffle 11 flow in, which ensures the shielding effect of the sealing plate 20 on the gap 13 between the front baffles 11.
  • Two symmetrically disposed locking devices 30 are spaced apart from one another to avoid interference.
  • the locking device can have a variety of forms.
  • the locking device will be described in detail by way of a preferred embodiment, but it should be noted that the invention is not limited to the locking device of these specific configurations.
  • those skilled in the art will recognize a number of other configurations of locking devices and apply them to the present invention, which are also intended to fall within the scope of the present invention.
  • the locking device 30 can comprise The mounting seat 31 has one end fixed to the front baffle 11 and the other end of the mounting seat 31 extending toward the sealing plate 20 and having a gap with the front baffle 11 to accommodate the sealing plate 20.
  • the mounting seat 31-end may be fixed to the front baffle 11 by welding or fastener connection, and the other end may extend toward the sealing plate 20 and form a seal with the front baffle 11.
  • a pair of mounts 31 are symmetrically disposed along the width direction of the sealing plate so that both sides of the sealing plate 20 can be locked to the rear surface of the front bezel by the pair of mounts 31.
  • the inner surface of the other end of the mounting seat 31 i.e., the surface opposite to the sealing plate 20 or the front baffle 11
  • the inner surface of the other end of the mounting seat 31 may preferably be formed with a wedge-shaped surface, that is, the upper end of the inner surface is
  • the distance between the front baffles 11 is greater than the distance between the lower end and the front baffle 11, and therefore, on the one hand, since the distance between the upper end of the inner surface and the front baffle 11 is large, the sealing plate 20 can be smoothly inserted.
  • the sealing plate 20 can be tightly locked to the rear surface of the front baffle 11 to ensure the sealing plate
  • the seal between the 20 and the front bezel 11 effectively prevents the spread material from flowing into the rear of the front flap 11 through the gap 13 between the front bezel 11 and the gap between the sealing plate 20 and the front bezel 11.
  • the holder 31 is preferably formed in an L shape, one end of which is fixed to the front bezel 11, and a gap is formed between the other end and the front bezel 11 for the sealing sheet 20 to pass therethrough.
  • the L-shaped mount 31 has a simple structure, high strength, and high reliability.
  • a fastener can also be used.
  • the other end of the mount 31 can press the sealing plate 20 against the front baffle 11 by fasteners (not shown).
  • a screw hole 32 may be formed at the other end of the fixing base 31, and after the sealing plate 20 is inserted into position, a set screw or the like is screwed through the screw hole 32 to firmly press the sealing plate 20 to the front end.
  • the sealing plate 20 needs to be removed, the screws are removed, and then the sealing plate 20 is pulled up.
  • this embodiment can also be used in combination with the embodiment of the wedge face described above, and the present invention will not be described again.
  • the locking device 30 may include a mounting seat 31 and a rotating pressure plate 33.
  • the mounting seat 31 is fixed to the front bezel 11, and the rotating pressing plate 33 is rotatably mounted on the mounting seat.
  • a surface of the rotating platen 33 opposite to the front baffle 11 (which may be referred to as an inner surface) is formed with a wedge-shaped surface so that the sealing plate 20 can be passed through the wedge surface when the rotating platen 33 is rotated relative to the mounting seat 31. Pressed on the front bezel 11.
  • the sealing plate 20 can also be conveniently locked to the front flap 11 by rotating the pressure plate 33.
  • the rotating platen 33 is rotated through an angle so that the sealing plate 20 can be tightly pressed against the front flap 11 by the tapered surface on the inner surface thereof. If it is necessary to disassemble the sealing plate 20, the rotating platen 33 can be reversely rotated through the corresponding angle.
  • the locking device 30 includes a mounting seat 31 and a rotating pressure plate 33, and may further include an elastic member 34 that applies an upward biasing force to the rotating pressure plate 33.
  • the inner surface of the rotary platen 33 has a convex portion 35 which will be touched when the sealing plate 20 is inserted downward from the top of the front baffle 11, so that the rotary platen 33 is rotated downward against the biasing force of the elastic member 34. Thereby, the sealing plate 20 can be pressed onto the front baffle 11.
  • the rotary platen 33 may be formed in a V shape having a first arm portion 36 and a second arm portion 37, and a joint of the first arm portion 36 and the second arm portion 37 is rotatably mounted on the mount 31, convex
  • the starting portion 35 is formed on the first arm portion 36, and the wedge-shaped surface is formed on the second arm portion 37.
  • the elastic member 34 preferably uses a coil spring which is fitted over the fixing base 31, and one end of the coil spring is biased against the projection on the inner surface of the rotary platen 33. On the portion 35, the other end can abut against the rib 14 on the rear surface of the front bezel 11.
  • the rotary platen 33 is rotatably fitted to the mount 31 through its mounting hole 331, and more specifically, is fitted to the boss of the mount 31, and then positioned by the screw 39.
  • Fig. 7 shows the case where the sealing plate 20 has been installed
  • Fig. 8 shows the case where the sealing plate 20 is not installed.
  • the sealing plate 20 is inserted downward from the notch 13 at the top end of the front bezel 11, the lower end of the sealing plate 20 will contact the projection 35 on the inner surface of the rotating platen 33, thereby passing the projection 35 drives the rotary platen 33 to rotate downward against the biasing force of the elastic member 34 until the convex portion 35 leaves the lower end of the sealing plate 20 to become in contact with the side surface of the sealing plate 20, and at this time rotates the second portion of the pressure plate 33.
  • the arm portion 37 will be rotated to a position opposite to the sealing plate 20, and the sealing plate 20 is pressed tightly against the inner surface of the front bezel 11.
  • the sealing plate 20 is pulled up, the working process is reversed and will not be described again. In this way, the sealing plate can be removed and removed very conveniently and quickly.
  • the present invention also provides a paver comprising any of the screeds provided by the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)

Abstract

L'invention porte sur une plaque de repassage, laquelle plaque comprend au moins deux unités de plaque de repassage (10) reliées l'une à l'autre, chacune des unités de plaque de repassage (10) comprenant un écran avant (11), une plaque (20) renfermant un matériau, et un dispositif de verrouillage (30), la plaque renfermant un matériau (20) étant verrouillée de façon libérable à au moins l'un des écrans avant (11) par l'intermédiaire du dispositif de verrouillage (20) de façon à recouvrir une fente (12) entre les écrans avant (11). L'invention porte également sur un dispositif d'étalement comprenant la plaque de repassage mentionnée ci-dessus. Les structures de la plaque de repassage et du dispositif d'étalement présentent pour avantages de recouvrir efficacement la fente et d'être pratiques à assembler ou à démonter.
PCT/CN2012/082093 2011-11-11 2012-09-26 Plaque de repassage et dispositif d'étalement Ceased WO2013067869A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110357877.2A CN102409597B (zh) 2011-11-11 2011-11-11 熨平板和摊铺机
CN201110357877.2 2011-11-11

Publications (1)

Publication Number Publication Date
WO2013067869A1 true WO2013067869A1 (fr) 2013-05-16

Family

ID=45911919

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/082093 Ceased WO2013067869A1 (fr) 2011-11-11 2012-09-26 Plaque de repassage et dispositif d'étalement

Country Status (2)

Country Link
CN (1) CN102409597B (fr)
WO (1) WO2013067869A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9683337B2 (en) 2015-03-09 2017-06-20 Caterpillar Paving Products Inc. Paving machine screed assembly with material bypass prevention plate

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102409597B (zh) * 2011-11-11 2014-02-12 中联重科股份有限公司 熨平板和摊铺机
CN103498405B (zh) * 2013-10-17 2015-08-05 中联重科股份有限公司 摊铺机
CN106702855B (zh) * 2015-11-12 2019-04-09 中联重科股份有限公司 熨平板拼装装置、熨平板装置和摊铺机
US10246834B1 (en) * 2017-11-20 2019-04-02 Caterpillar Paving Products Inc. Tamper bar and wear plate for screed assembly of paving machine
CN109275266B (zh) * 2018-08-22 2020-06-05 珠海格力电器股份有限公司 一种在线定位功率模块的一体化定位工装
CN112064454B (zh) * 2020-09-21 2025-04-18 三一汽车制造有限公司 伸缩挡板、熨平板和摊铺机
CN116837340B (zh) * 2023-06-02 2024-10-29 安徽越好电子装备有限公司 真空镀膜设备中避免粉尘微粒附着的遮挡装置及组装方法

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GB710680A (en) * 1951-10-22 1954-06-16 Carl Heise Improvements in and relating to road finishing
EP0472094A1 (fr) * 1990-08-23 1992-02-26 Joseph Vögele AG Finisseuse pour revêtements routiers avec plaque inférieure oscillante autour d'une charnière liant cette plaque à une structure portante
US6019544A (en) * 1998-03-20 2000-02-01 Cedarapids, Inc. Edge compacting device for an asphalt paver
JP2010209677A (ja) * 2008-12-16 2010-09-24 Sekigumi:Kk 均しコテ装置
CN101906750A (zh) * 2010-08-05 2010-12-08 三一重工股份有限公司 熨平板振捣器及摊铺机
CN102162288A (zh) * 2011-03-28 2011-08-24 张乐军 一种保温防火屋盖板制造与构建方法
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GB710680A (en) * 1951-10-22 1954-06-16 Carl Heise Improvements in and relating to road finishing
EP0472094A1 (fr) * 1990-08-23 1992-02-26 Joseph Vögele AG Finisseuse pour revêtements routiers avec plaque inférieure oscillante autour d'une charnière liant cette plaque à une structure portante
US6019544A (en) * 1998-03-20 2000-02-01 Cedarapids, Inc. Edge compacting device for an asphalt paver
JP2010209677A (ja) * 2008-12-16 2010-09-24 Sekigumi:Kk 均しコテ装置
CN101906750A (zh) * 2010-08-05 2010-12-08 三一重工股份有限公司 熨平板振捣器及摊铺机
CN102162288A (zh) * 2011-03-28 2011-08-24 张乐军 一种保温防火屋盖板制造与构建方法
CN102409597A (zh) * 2011-11-11 2012-04-11 中联重科股份有限公司 熨平板和摊铺机

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
US9683337B2 (en) 2015-03-09 2017-06-20 Caterpillar Paving Products Inc. Paving machine screed assembly with material bypass prevention plate

Also Published As

Publication number Publication date
CN102409597B (zh) 2014-02-12
CN102409597A (zh) 2012-04-11

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