CN111926658B - A guide roller mechanism for road paving and withdrawal - Google Patents
A guide roller mechanism for road paving and withdrawal Download PDFInfo
- Publication number
- CN111926658B CN111926658B CN202010796019.7A CN202010796019A CN111926658B CN 111926658 B CN111926658 B CN 111926658B CN 202010796019 A CN202010796019 A CN 202010796019A CN 111926658 B CN111926658 B CN 111926658B
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- roller
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- wheel
- roller support
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- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
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- 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
- E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
-
- 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
- E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
- E01C19/522—Apparatus for laying the elements by rolling or unfolding, e.g. for temporary pavings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
本发明公开了一种用于路面铺设撤收的导向滚轮机构，包括：滚轮支座、固定支座、旋转轴、销轴、轮轴、滚轮及导轮；所述滚轮支座的C端的连接孔B与固定支座的两个侧板上的连接孔A通过旋转轴销接；所述滚轮支座可绕所述旋转轴的轴线转动，当滚轮支座的定位孔与固定支座的限位孔A同轴，并通过销轴连接时，滚轮支座处于上摆位置；当滚轮支座的定位孔与固定支座的限位孔B同轴，并通过销轴连接时，滚轮支座处于下摆位置；三个所述轮轴分别固定在滚轮支座的A端、B端及D端的连接孔B内；每个轮轴上分别安装有一个滚轮和一个导轮；该机构结构简单、工作可靠、维护方便、成本经济，能够对路面单元板进行支撑和导向，解决了路面单元板偏移的问题。
The invention discloses a guide roller mechanism for pavement paving and withdrawal, comprising: a roller support, a fixed support, a rotating shaft, a pin shaft, a wheel axle, a roller and a guide wheel; the connecting hole B at the C end of the roller support is pin-connected with the connecting holes A on the two side plates of the fixed support through a rotating shaft; the roller support can rotate around the axis of the rotating shaft, and when the positioning hole of the roller support is coaxial with the limiting hole A of the fixed support and connected through the pin shaft, the roller support is in an upper swing position; when the positioning hole of the roller support is coaxial with the limiting hole B of the fixed support and connected through the pin shaft, the roller support is in a lower swing position; the three wheel axles are respectively fixed in the connecting holes B at the A end, the B end and the D end of the roller support; a roller and a guide wheel are respectively installed on each wheel axle; the mechanism has a simple structure, reliable operation, convenient maintenance and economical cost, can support and guide the pavement unit plate, and solves the problem of pavement unit plate offset.
Description
Technical Field
The invention belongs to the technical field of pavement paving, and particularly relates to a guide roller mechanism for pavement paving and retracting.
Background
Along with the continuous emphasis of the emergency traffic guarantee field in China, more and more rescue equipment is available. A hard pavement vehicle is mainly used for rapidly paving temporary movable pavements in low-bearing-capacity areas such as beach areas, muddy areas and snowlands, guaranteeing crawler-type loads and wheeled load vehicles to pass through, improving the maneuverability, and paving temporary channels for temporary material transfer stations, storehouses, stations and other facilities and various construction sites. However, because the flexibility of the joint of the pavement unit plates is high, the phenomenon of offset, skew and the like is easy to occur when the paving vehicle works, and therefore, the paving vehicle is particularly important to be provided with guide equipment.
Disclosure of Invention
In view of the above, the invention provides a guide roller mechanism for pavement paving and retracting, which has the advantages of simple structure, reliable operation, convenient maintenance and low cost, can support and guide a pavement unit plate, and solves the problem of pavement unit plate deflection.
The invention is realized by the following technical scheme:
a guiding roller mechanism for pavement paving and withdrawing comprises a roller support, a fixed support, a rotating shaft, a pin shaft, a wheel shaft, rollers and guide wheels;
The fixing support is a U-shaped frame, a bottom plate of the U-shaped frame is fixed on a tail cross beam of the pavement paving vehicle through welding, and the two side plates of the U-shaped frame are respectively provided with the same connecting hole A, the same limiting hole A and the same limiting hole B, wherein the distances between the circle centers of the limiting hole A and the limiting hole B and the circle center of the connecting hole A are equal;
The roller support comprises three identical trapezoid plates and more than two connecting plates, wherein the three trapezoid plates are arranged in parallel and opposite, and are fixedly connected into an integrated structure through the more than two connecting plates, the two ends of the upper bottom edge of each trapezoid plate are respectively an end A and an end B, the two ends of the lower bottom edge of each trapezoid plate are respectively a end C and an end D, the ends A and the ends C are positioned on the same side, and the ends B and the ends D are positioned on the same side;
The roller support can rotate around the axis of the rotating shaft, when the positioning hole of the roller support is coaxial with the limit hole A of the fixed support and is connected with the limit hole A of the fixed support through a pin shaft, the roller support is positioned at the upper swinging position, so that the requirement of the transportation state of the pavement paving vehicle can be met;
The three wheel shafts are respectively fixed in the connecting holes B of the end A, the end B and the end D of the roller support, each wheel shaft is respectively provided with a roller and a guide wheel, the rollers and the guide wheels can rotate around the wheel shafts, the three rollers on the three wheel shafts are positioned on the same side, the three guide wheels are positioned on the same side, an annular guide groove is formed in the outer circumferential surface of each guide wheel, and the annular guide groove is used for being in sliding fit with a traction belt on the bottom surface of the pavement unit plate.
Further, the circle centers of the four connecting holes B of the roller support, which are positioned on the same trapezoid plate, are positioned on the same circle.
Further, the distance between the circle centers of the limiting hole A and the limiting hole B of the fixed support and the circle center of the connecting hole A is 75mm, and the included angle formed between the connecting lines of the circle centers of the limiting hole A and the limiting hole B and the circle center of the connecting hole A is 128 degrees.
Further, the roller and the guide wheel are respectively sleeved on the wheel shaft through shaft sleeves, and the shaft sleeves are used for reducing friction force between the roller and the wheel shaft, so that the roller and the guide wheel can rotate around the wheel shaft.
Furthermore, the wheel axle and the rotating shaft are made of 40Cr steel.
Furthermore, the roller support and the fixed support are made of steel.
Furthermore, the rollers and the guide wheels are made of nonmetallic materials.
The invention has the beneficial effects that (1) when paving the pavement, the pavement unit plates can be supported, guided and limited by the guide wheels and the rollers, the structure is simple, the work is reliable, the maintenance is convenient, the cost is economical, the problem of the offset of the pavement unit plates during the operation is solved, and the automatic operation is realized.
(2) Because the circle centers of the four connecting holes B of the roller support are positioned on the same circle, three rollers positioned on the same guide roller mechanism can be internally tangent and enveloped by the same circle and are matched with the reverse limiting angle of the road joint, and the road unit plate is ensured to be always in contact with 1 of the 3 rollers when the road unit plate passes through the rollers.
Drawings
FIG. 1 is a structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a block diagram of the roller support;
FIG. 4 is a schematic view of an assembly of rollers and guide wheels;
FIG. 5 is a schematic diagram of the operation of the present invention in a downswing position;
FIG. 6 is a transport state diagram of the present invention in a swung-up position;
The device comprises a 1-roller support, a 2-fixed support, a 3-rotating shaft, a 4-pin shaft, a 5-wheel shaft, a 6-roller, a 7-guide wheel and an 8-shaft sleeve.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
The embodiment provides a guiding roller mechanism for pavement paving and retracting, which is shown in figures 1-2, and comprises a roller support 1, a fixed support 2, a rotating shaft 3, a pin shaft 4, a wheel shaft 5, a roller 6, a guide wheel 7 and a shaft sleeve 8;
the fixing support 2 is a U-shaped frame, a bottom plate of the U-shaped frame is fixed on a tail cross beam of the pavement paving vehicle through welding, two side plates of the U-shaped frame are respectively provided with the same connecting hole A, the same limiting hole A and the same limiting hole B, the distances between the circle centers of the limiting hole A and the limiting hole B and the circle center of the connecting hole A are 75mm, and an included angle formed between the circle centers of the limiting hole A and the limiting hole B and the circle center connecting line of the connecting hole A is 128 degrees;
Referring to fig. 3, the roller support 1 comprises three identical trapezoid plates and more than two connecting plates, wherein the three trapezoid plates are arranged in parallel and opposite, and are fixedly connected into an integral structure through the more than two connecting plates, the two ends of the upper bottom edge of each trapezoid plate are respectively an end A and an end B, the two ends of the lower bottom edge of each trapezoid plate are respectively an end C and an end D, the ends A and the ends C are positioned on the same side, and the ends B and the ends D are positioned on the same side;
The C end of the roller support 1 is in pin joint with two side plates of the fixed support 2 through a rotating shaft 3, wherein the pin joint mode of the roller support 1 and the fixed support 2 is as follows, a connecting hole A of the fixed support 2 is coaxial with three connecting holes B of the C end of the roller support 1, and the rotating shaft 3 passes through the coaxial connecting holes A and B to realize pin joint of the roller support 1 and the fixed support 2;
The roller support 1 can rotate around the axis of the rotating shaft 3, when the positioning hole of the roller support 1 is coaxial with the limit hole A of the fixed support 2 and is connected through the pin shaft 4, the roller support 1 is in an up-swinging position, so that the requirement of the running state of the road paving vehicle can be met, and when the positioning hole of the roller support 1 is coaxial with the limit hole B of the fixed support 2 and is connected through the pin shaft 4, the roller support 1 is in a down-swinging position, so that the requirement of the running state of the road paving vehicle can be met, as shown in fig. 5;
The three wheel shafts 5 are respectively fixed in the connecting holes B of the end A, the end B and the end D of the roller support 1, referring to figure 4, each wheel shaft 5 is respectively provided with a roller 6 and a guide wheel 7, the roller 6 and the guide wheel 7 are respectively sleeved on the wheel shaft 5 through shaft sleeves 8, the shaft sleeves 8 are used for reducing friction force between the roller 6 and the guide wheel 7 and the wheel shaft 5 so that the roller 6 and the guide wheel 7 can rotate around the wheel shaft 5, the three rollers 6 on the three wheel shafts 5 are positioned on the same side, the three guide wheels 7 are positioned on the same side, and the outer circumferential surface of the guide wheel 7 is provided with an annular guide groove which is used for being in sliding fit with a traction belt on the bottom surface of the pavement unit plate.
Wherein, the wheel axle 5 and the rotating shaft 3 are made of 40Cr steel, and the material has good low-temperature impact toughness, low notch sensitivity and good cutting performance;
The roller support 1 and the fixed support 2 are made of BS700 high-strength cold-formed hot rolled steel, and have good welding performance and impact resistance.
The roller 6 and the guide wheel 7 are made of nonmetallic materials, such as nylon 1010 plastic materials, and have the characteristics of high mechanical strength, impact toughness, wear resistance and good self-lubricity.
The working principle is that the two guide roller mechanisms are symmetrically arranged on the tail cross beam along the longitudinal central axis of the pavement paving vehicle, the distance between the trapezoid plates in the middle of the two roller supports 1 is the same as the rear wheel track of the chassis of the pavement paving vehicle, and the guide wheels 7 of the two guide roller mechanisms are positioned on the outer sides, namely the rollers 6 of the two guide roller mechanisms are oppositely arranged;
referring to fig. 6, the roller support 1 is in a swung-up position when the road paving vehicle is transported;
Referring to fig. 5, when the road paving vehicle works, the roller support 1 is in a lower swing position, a road unit plate to be paved on the road moves to the ground along the rollers 6 to realize pavement paving, wherein in the process that the road unit plate moves along the rollers 6, a traction belt on the bottom surface of the road unit plate is in sliding fit with an annular guide groove of the guide wheel 7, the rollers 6 realize supporting and guiding of the road unit plate, the guide wheel 7 realizes limiting and guiding of the road unit plate, and the rollers 6 and the guide wheel 7 can ensure smooth pavement of the road unit plate.
Because the circle centers of the four connecting holes B of the roller support 1 are positioned on the same circle, three rollers 6 positioned on the same guide roller mechanism can be internally tangent and enveloped by the same circle and are matched with the reverse limiting angle of the road joint, and the road unit plate can always keep contact with 1 of the 3 rollers 6 when the road unit plate passes through the rollers 6.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010796019.7A CN111926658B (en) | 2020-08-10 | 2020-08-10 | A guide roller mechanism for road paving and withdrawal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010796019.7A CN111926658B (en) | 2020-08-10 | 2020-08-10 | A guide roller mechanism for road paving and withdrawal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111926658A CN111926658A (en) | 2020-11-13 |
| CN111926658B true CN111926658B (en) | 2025-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010796019.7A Active CN111926658B (en) | 2020-08-10 | 2020-08-10 | A guide roller mechanism for road paving and withdrawal |
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| Country | Link |
|---|---|
| CN (1) | CN111926658B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212771858U (en) * | 2020-08-10 | 2021-03-23 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Guide roller mechanism for pavement laying and withdrawing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339157Y (en) * | 2008-12-09 | 2009-11-04 | 中国人民解放军总后勤部军事交通运输研究所 | Portable road paving device |
| CN104176651B (en) * | 2014-08-11 | 2016-08-10 | 重庆大江本大工程机械有限责任公司 | Tower crane is adjustable guide wheel |
| CN204825573U (en) * | 2015-07-15 | 2015-12-02 | 湖北华舟重工应急装备股份有限公司 | Temporary road surface laying vehicle's guiding mechanism |
-
2020
- 2020-08-10 CN CN202010796019.7A patent/CN111926658B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212771858U (en) * | 2020-08-10 | 2021-03-23 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Guide roller mechanism for pavement laying and withdrawing |
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| Publication number | Publication date |
|---|---|
| CN111926658A (en) | 2020-11-13 |
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