CN109338856B - Vibrating knife and paver - Google Patents
Vibrating knife and paver Download PDFInfo
- Publication number
- CN109338856B CN109338856B CN201811507988.5A CN201811507988A CN109338856B CN 109338856 B CN109338856 B CN 109338856B CN 201811507988 A CN201811507988 A CN 201811507988A CN 109338856 B CN109338856 B CN 109338856B
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- mounting hole
- paver
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- 230000007704 transition Effects 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims description 76
- 239000000463 material Substances 0.000 claims description 46
- 230000000903 blocking effect Effects 0.000 claims description 13
- 238000010276 construction Methods 0.000 abstract description 63
- 230000000694 effects Effects 0.000 abstract description 29
- 239000010426 asphalt Substances 0.000 description 48
- 239000002689 soil Substances 0.000 description 36
- 238000000034 method Methods 0.000 description 24
- 239000000203 mixture Substances 0.000 description 16
- 239000010410 layer Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 238000005056 compaction Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 239000004566 building material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000004035 construction material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007788 roughening Methods 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
- E01C19/48—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
- E01C19/4833—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 with tamping or vibrating means for consolidating or finishing, e.g. immersed vibrators, with or without non-vibratory or non-percussive pressing or smoothing means
- E01C19/4853—Apparatus designed for railless operation, e.g. crawler-mounted, provided with portable trackway arrangements
Abstract
The invention provides a vibrating knife and a paver, wherein the vibrating knife comprises a main body, the main body comprises a first connecting surface and a second connecting surface which are adjacent, a first working surface and a second working surface which are respectively arranged opposite to the first connecting surface and the second connecting surface, and a transition surface, wherein the transition surface is obliquely arranged between the first working surface and the second working surface; the included angle between the first working surface and the transition surface is not equal to the included angle between the second working surface and the transition surface; the area of the first working surface is not equal to the area of the second working surface. This vibrating sword has possessed two kinds of different mode simultaneously, and the user can select corresponding mode at any time to different construction demands, has avoided the replacement of whole cutter, makes the user accomplish the construction on different kinds of road surfaces through single vibrating sword, and then plays optimizing product structure, widens product function coverage, optimizes the product and uses experience, reduces the technological effect of product use cost.
Description
Technical Field
The invention relates to the technical field of pavement construction machinery, in particular to a vibrating cutter and a paver.
Background
In the existing paving apparatus, as shown in fig. 1 and 2, the paving machine is composed of a plate frame 2', a vibrating mechanism 4' and a blade 6', wherein the blade 6' with a larger width D 'is generally installed on the vibrating mechanism 4' to improve the pre-compaction degree, however, the blade 6 'with a larger width D' is not beneficial: when building asphalt road layers, the blade 6' with larger width receives larger material reverse impact force due to the large rigidity of asphalt mixture, so that the screed plate vibrates, even jumps, and the construction quality is affected. In addition, the viscosity of the road building material is different, and the requirements on the feeding angle of the blade 6' are different during paving. In order to avoid the sticking of the blade 6', the galling phenomenon occurs, and the more viscous the material is, the larger the feeding angle of the blade 6' should be. Thus, the blade 6' for spreading the asphalt mixture has a larger feed angle than the stabilized soil.
In this regard, there are two methods for current construction: one is to purchase a stabilized soil spreader suitable for stabilized soil construction and an asphalt spreader suitable for asphalt mixture construction, respectively, wherein the stabilized soil spreader is used in stabilized soil construction, and the asphalt spreader is used in asphalt mixture construction; the other method is to purchase only an asphalt paver or a stabilized soil paver and finish the construction of the stabilized soil and asphalt mixture by using the same paver. The first method can ensure the construction quality, but needs the user to purchase two pavers, and the investment is huge. The second approach would be to have both the asphalt paver paving the stabilized soil and the stabilized soil paver paving the asphalt. When the asphalt paver is used for paving stabilized soil, the width of the blade 6' is smaller, so that the supporting force of the screed is insufficient, the one-time paving thickness is small, and the construction efficiency is affected; the asphalt paving blade 6' of the stabilized soil paving machine is large in width and small in feeding angle, and the construction quality cannot be guaranteed. And constructors must manually lift the paver to switch the feeding angle alpha of the cutter, so that the labor intensity of the constructors can be greatly increased, and the construction quality cannot be ensured.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art.
To this end, an aspect of the present invention is to provide a vibrating blade.
Another aspect of the invention is to provide a paver.
In view of the above, according to a first object of the present invention, there is provided a vibrating blade that can be used in a paver, the vibrating blade including a main body including adjacent first and second connection surfaces, first and second working surfaces disposed opposite the first and second connection surfaces, respectively, and a transition surface disposed obliquely between the first and second working surfaces; the included angle between the first working surface and the transition surface is not equal to the included angle between the second working surface and the transition surface; the area of the first working surface is not equal to the area of the second working surface.
The vibrating knife provided by the invention can be used for a paver, a first connecting surface, a second connecting surface, a first working surface, a second working surface and a transition surface are arranged on the main body of the vibrating knife, the first connecting surface and the second connecting surface are two different connecting end surfaces on the vibrating knife, and the first connecting surface or the second connecting surface is connected with a vibrating mechanism on the paver in the assembly process so as to realize positioning connection of the vibrating knife. The first working surface and the second working surface are two different tool bit surfaces of the vibrating tool, and the transition surface is a transition surface between the first working surface and the second working surface and is used for guiding the first working surface and the second working surface. The first working surface and the first connecting surface are arranged opposite to each other, so that the first connecting surface and the first working surface can be matched for use, and when the first connecting surface is connected with the vibrating mechanism, the first working surface is contacted with the pavement material and performs vibrating work; similarly, the second working surface and the second connecting surface are oppositely arranged, so that the second connecting surface and the second working surface can be matched for use, and when the second connecting surface is connected with the vibrating mechanism, the second working surface is contacted with the pavement material and performs vibrating work. That is, the vibrating knife body is provided with two groups of connecting surfaces and working surfaces which can work independently, so that the vibrating knife has two different working modes at the same time, a user can select corresponding working modes according to different construction requirements, and when the vibrating knife working modes are replaced, the connecting surfaces of the vibrating knife can be directly replaced to complete the switching, so that the replacement of the whole knife is avoided, the vibrating knife is multipurpose, the user can complete the construction of different types of road surfaces through a single vibrating knife, the product structure is optimized, the product functional coverage range is widened, the product use experience is optimized, and the product use cost is reduced.
In particular, in existing paving apparatuses, a large-width blade is generally mounted on the vibrating mechanism to improve the pre-compaction degree, however, the large-width blade is not beneficial: when building asphalt road layers, the blade with larger width receives larger material reverse impact force due to the large rigidity of asphalt mixture, so that the screed plate vibrates, even jumps, and the construction quality is affected. In addition, road building materials have different viscosity, and the requirements on the feeding angle of the blade during paving are different. In order to avoid the sticking of the blade, the galling phenomenon occurs, and the more viscous the material is, the larger the feeding angle of the blade is. Thus, the blade feed angle of the asphalt mixture is greater than that of stabilized soil.
In this regard, there are two methods for current construction: one is to purchase a stabilized soil spreader suitable for stabilized soil construction and an asphalt spreader suitable for asphalt mixture construction, respectively, wherein the stabilized soil spreader is used in stabilized soil construction, and the asphalt spreader is used in asphalt mixture construction; the other method is to purchase only an asphalt paver or a stabilized soil paver and finish the construction of the stabilized soil and asphalt mixture by using the same paver. The first method can ensure the construction quality, but needs the user to purchase two pavers, and the investment is huge. The second approach would be to have both the asphalt paver paving the stabilized soil and the stabilized soil paver paving the asphalt. When the asphalt spreader spreads stabilized soil, the width of the blade is smaller, so that the supporting force of the screed is insufficient, the one-time spreading thickness is small, and the construction efficiency is affected; the asphalt paving blade of the stabilized soil paving machine is large in width and small in feeding angle, and the construction quality cannot be guaranteed. And constructors must manually lift the paver to switch the feeding angle alpha of the cutter, so that the labor intensity of the constructors can be greatly increased, and the construction quality cannot be ensured.
According to the vibrating knife with the switchable working face, a user can switch the working face of the vibrating knife at any time by changing the connection relation between the first connecting face and the second connecting face of the vibrating knife and the vibrating mechanism, so that the same vibrating knife is provided with two working faces with different widths and different feeding angles, the user can directly complete functional switching by operating the vibrating knife under the condition that a paver is not changed, construction operators can complete compaction work of a soil road layer and an asphalt layer through the same paver, the phenomenon that the paver vibrates too much and naps is avoided, the technical problems are solved, construction efficiency and construction quality are greatly improved, and the technical effect of reducing construction cost is achieved.
In addition, the material adding device in the technical scheme provided by the invention can also have the following additional technical characteristics:
in the above technical solution, preferably, an included angle between the first working surface and the transition surface is larger than an included angle between the second working surface and the transition surface; the width of the second working surface is larger than the width of the first working surface.
In the technical scheme, the included angle between the first working surface and the transition surface is beta 1, and the included angle between the second working surface and the transition surface is beta 2, wherein beta 1 is more than beta 2. The included angle between the working surface and the transition surface is the feeding angle of the vibrating knife, and the first working surface and the second working surface with different feeding angles are arranged on the vibrating knife, so that a user can select the first working surface with larger feeding angle and smaller width (smaller area) as the current working surface when paving road materials with larger viscosity; the second working face with smaller feeding angle and larger width (larger area) is selected as the current working face when paving the pavement material with smaller viscosity, so that the technical problems of 'galling', uncompacted and the like caused by unsuitable feeding angle can be avoided under the premise of ensuring the pavement construction quality and efficiency, the product structure is optimized, the application range of the product is widened, and the technical effect of product reliability is improved.
Further, under the condition that the thickness of the vibrating cutter is the same, the width of the second working surface is larger than that of the first working surface, so that the vibrating cutter is provided with two working surfaces with completely different areas, constructors can select vibrating cutter working surfaces with different working areas according to pavement materials with different rigidities, and the phenomenon that a vibrating mechanism excessively vibrates or even jumps is avoided. And further, the product structure is optimized, and the technical effects of product practicability and reliability are improved.
In any of the above embodiments, preferably, the first working surface is perpendicular to the second working surface; the first connecting surface is perpendicular to the second connecting surface.
In the technical scheme, the first working face and the second working face are mutually perpendicular, so that on one hand, the first working face can be prevented from being in error contact with pavement materials when the second working face is in operation, the first working face and the second working face are thoroughly separated, and the construction quality is improved. On the other hand can make things convenient for user identification first working face and second working face, avoid appearing because of the chaotic technical problem that is difficult to discern the working face that produces of angle on the vibrating sword main part, and then played optimizing product structure, promote product practicality and reliability, promote the technological effect that user used experience.
In any of the above solutions, preferably, the vibrating blade further includes: the first mounting hole is arranged on the first connecting surface; the second mounting hole is arranged on the second connecting surface; the first mounting hole is perpendicular to the first connecting surface, and the second mounting hole is perpendicular to the second connecting surface.
In this technical scheme, through set up first mounting hole and second mounting hole respectively on first mounting face and second mounting face for vibrating the sword can realize the connection of first connecting face and vibrating mechanism and the connection of second connecting face and vibrating mechanism through with first mounting hole and second mounting hole matched with connecting piece, and set up the mounting hole and can simplify the dismantlement degree of difficulty and the assembly degree of difficulty of vibrating the sword, thereby reduce the operation degree of difficulty of vibrating the sword switching in-process, and then play the reduction product operation degree of difficulty, promote product practicality, improve product connection reliability, promote the technological effect that the user used and experienced.
Through setting up first mounting hole perpendicularly on first connecting face and setting up the second mounting hole perpendicularly on the second connecting face for the vibrating sword assembles along with connecting face vertically direction on vibrating mechanism, thereby the user of being convenient for pinpoints the assembly, avoids the dislocation assembly, and then realizes optimizing the product assembly process, promotes the technological effect of product reliability.
In any of the above solutions, preferably, the first mounting hole and the second mounting hole are threaded holes.
In this technical scheme, through setting up first mounting hole and second mounting hole into the screw hole for vibrating the sword can be through this screw hole simple swift assembly on vibrating mechanism, reduce the assembly degree of difficulty of vibrating the sword, threaded connection is detachable connection structure simultaneously, can reduce the dismantlement degree of difficulty of vibrating the sword, thereby has realized optimizing product assembly structure, promotes product practicality and reliability, improves the technological effect that the user used and experienced.
A second object of the present invention is to provide a paver comprising a vibrating blade according to any one of the above-mentioned solutions; the vibrating cutter is connected with the vibrating mechanism; when the first connecting surface is connected with the vibrating mechanism, the first working surface and the transition surface work, and when the second connecting surface is connected with the vibrating mechanism, the second working surface and the transition surface work.
In the technical scheme, when the first connecting surface is connected with the vibrating mechanism, the first working surface is contacted with the pavement material and performs vibrating work; when the second connecting surface is connected with the vibrating mechanism, the second working surface is contacted with the pavement material and performs vibrating operation. The vibrating cutter has two different working modes simultaneously, a user can select corresponding working modes at any time according to different construction requirements, and when the vibrating cutter working modes are replaced, the connecting surface of the vibrating cutter can be directly replaced, so that replacement of the whole cutter is avoided, the vibrating cutter is multipurpose, the user can finish construction of different types of road surfaces through a single vibrating cutter, and further the technical effects of optimizing product structures, widening product function coverage range, optimizing product use experience and reducing product use cost are achieved. In any of the above solutions, preferably, the paver further includes: the plugging piece is used for plugging the first mounting hole or the second mounting hole; when the first mounting hole is connected with the vibrating mechanism, the blocking piece is arranged in the second mounting hole; when the second mounting hole is connected with the vibrating mechanism, the blocking piece is arranged in the first mounting hole.
In this technical scheme, through set up the shutoff piece on vibrating the sword for first mounting hole or second mounting hole can be filled by the shutoff piece under non-connected state, thereby prevent that first working face from entering into the second mounting hole on the second working face at during operation road surface material, in the same way prevent that second working face from entering into the first mounting hole on the first working face at during operation road surface material, in order to avoid appearing because of first mounting hole and second mounting hole by the technical problem that the vibrating the sword can't be installed that the material jam arouses, and then play optimizing product structure, promote product operational reliability, reduce the product accident rate, promote the technological effect that user used experience.
In any of the above solutions, preferably, the paver further includes: a frame; the material baffle is connected with the frame, and a cavity with an opening at the bottom is formed by the material baffle and the frame; the vibrating mechanism is arranged in the cavity and is connected with the frame; the vibrating mechanism drives the vibrating knife to reciprocate along the vertical direction at the opening.
In the technical scheme, the paver consists of a frame, a baffle plate and a vibrating mechanism. The frame is a main body frame structure of the paver, and other structures on the paver are all positioned and installed on the frame. The striker plate is arranged at the front end of the travelling direction of the paver, and in the working process, the striker plate pushes the pavement material to travel, so that the pavement material is prevented from entering the paver from the front end of the paver, and the technical problems of blockage of the internal structure of the paver, circuit damage, difficult cleaning and the like are avoided. The vibrating mechanism is a main working part of the paver, the vibrating knife is arranged on the vibrating mechanism, and the vibrating mechanism drives the vibrating knife to vibrate along the vertical direction at an opening surrounded by the bottom frame of the paver and the striker plate, so that compaction and tamping of pavement materials are realized, the product structure is optimized, and the technical effect of improving the working reliability of the product is achieved.
In any of the foregoing solutions, preferably, the vibrating mechanism further includes: the eccentric shaft is rotatably arranged on the frame; one end of the connecting rod is movably connected with the eccentric shaft in the vertical direction, and the other end of the connecting rod is connected with the first connecting surface or the second connecting surface; when the working surface of the vibrating knife is switched, the connection relation between the connecting rod and the eccentric shaft is adjusted so as to adjust the height of the vibrating knife in the vertical direction.
In the technical scheme, the eccentric shaft is a driving structure in the vibrating mechanism, the eccentric shaft can change the rotating track of the component, the connecting rod is a transitional connection structure between the eccentric shaft and the vibrating knife, and the eccentric shaft can drive the vibrating knife to perform repeated vibrating motion at the bottom opening of the paver through the connecting rod. Through set up the eccentric shaft that links to each other with the frame rotation in vibrating mechanism for partial eccentric shaft can be in vibrating mechanism and do continuous eccentric motion, thereby realized the repeated motion mode of vibrating the sword, the vibrating sword that vibrates repeatedly from top to bottom in the course of the work can be repeated compress tightly road surface material, with flattening road bed and asphalt layer, save the labour by a wide margin, and then play optimizing product functionality, reduce the road surface construction degree of difficulty, promote the technical effect of product operational reliability.
The connection between the connecting rod and the eccentric shaft is set to be an adjustable connection structure capable of being adjusted in the vertical direction, so that a user can realize the adjustment of the vibrating mechanism in the vertical direction by switching the connection relation between the connecting rod and the eccentric shaft, for example, when a construction road surface layer is changed from an earth layer to an asphalt layer, the user firstly switches the working surface of the vibrating knife, and then reduces the relative position of the connecting rod on the eccentric shaft by adjusting the connection structure, so that the position of the vibrating knife in the vertical direction is reduced, the working surface of the vibrating knife is ensured to be fully contacted with an asphalt pavement, and the technical effects of improving the adjustability of products and the reliability of the products are achieved.
In any of the above embodiments, preferably, the paving further comprises: one end of the adjusting plate is movably connected to the striker plate, and the other end of the adjusting plate is provided with a limiting surface; the vibration device comprises a vibrating knife, a limiting surface and a vibrating surface, wherein a preset interval is reserved between the limiting surface and the vibrating knife, and the limiting surface is used for limiting the shaking amplitude of the vibrating knife in the horizontal direction.
In this technical scheme, still be provided with the regulating plate on the paver, the one end and the striker plate movable connection of regulating plate, the other end sets up the spacing face, and the vibration sword in the course of the work is except reciprocating motion about the drive of vibrating mechanism, still can appear vibrations and skew on the horizontal direction because of pavement material's influence, if horizontal vibrations range is too big then can produce great shearing force, leads to vibrating sword and vibrating mechanism's connection structure and connecting rod to be destroyed. To this, the user can adjust the relative position of spacing face through the connected state of adjustment regulating plate and striker plate to remain the interval of predetermineeing throughout between guaranteeing spacing face and the sword that vibrates, in order to avoid vibrating the sword to appear by a wide margin horizontal vibration in the course of the work, and then realized optimizing the product structure, promoted the product operational reliability, promoted the technological effect of product security.
In any of the above solutions, preferably, the paver further includes: one of the baffle plate and the adjusting plate is provided with a kidney-shaped hole, the other one is provided with a positioning hole, and the positioning hole is arranged corresponding to the kidney-shaped hole; the bolt passes through the locating hole and the kidney-shaped hole to connect the striker plate and the adjusting plate together.
In the technical scheme, through setting up waist shape hole and locating hole respectively on striker plate and regulating plate for the relative position between striker plate and the regulating plate can switch at any time. In the working process, when a user switches the first working surface and the second working surface, the interval between the vibrating knife and the adjusting plate can be changed, at the moment, the user loosens the bolt connection, and the relative position of the adjusting bolt in the kidney-shaped hole is adjusted, so that the relative position of the adjusting plate on the striker plate is changed, the interval between the limiting surface and the vibrating knife is adjusted, the vibrating knife is prevented from vibrating horizontally to a large extent in the working process, the product structure is optimized, the working reliability of the product is improved, the operation difficulty of the product is reduced, and the technical effect of user experience is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 shows a schematic construction of a prior art paver;
fig. 2 is an enlarged view of a portion of the paver shown in fig. 1 at a;
fig. 3 shows a schematic structural view of a vibrating blade provided according to an embodiment of the present invention;
fig. 4 shows a schematic structural view of a vibrating blade according to another embodiment of the present invention;
fig. 5 shows a schematic structural view of a paver according to an embodiment of the invention;
fig. 6 is a partially enlarged view of the paver shown in fig. 5 at B, provided in accordance with an embodiment of the invention.
The correspondence between the reference numerals and the component names in fig. 1 and 2 is:
2' plate frame, 4' vibrating mechanism, 6' blade.
The correspondence between the reference numerals and the component names in fig. 3 to 6 is:
1 paver, 10 vibrating knives, 12 main body, 122 first connecting surface, 124 second connecting surface, 126 first working surface, 128 second working surface, 130 transition surface, 14 first mounting hole, 16 second mounting hole, 18 blocking piece, 20 frame, 30 striker plate, 40 vibrating mechanism, 402 eccentric shaft, 404 connecting rod, 50 regulating plate.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
The vibrating blade 10 and the paver 1 according to some embodiments of the application are described below with reference to fig. 3 to 6.
In view of this, according to an embodiment of the present application, as shown in fig. 3 to 6, a vibrating blade 10 is provided and may be used in a paving machine 1, where the vibrating blade 10 includes a main body 12, a first connecting surface 122 and a second connecting surface 124 connected to each other are provided on the main body 12, a first working surface 126 and a second working surface 128 disposed opposite to the first connecting surface 122 and the second connecting surface 124, respectively, and a transition surface 130, and the transition surface 130 is disposed obliquely between the first working surface 126 and the second working surface 128, where an angle between the first working surface 126 and the transition surface 130 is not equal to an angle between the second working surface 128 and the transition surface 130; the area of the first working surface 126 is not equal to the area of the second working surface 128.
According to the vibrating blade 10 provided by the invention, the main body 12 of the vibrating blade 10 is provided with the first connecting surface 122, the second connecting surface 124, the first working surface 126, the second working surface 128 and the transition surface 130, the first connecting surface 122 and the second connecting surface 124 are two different connecting end surfaces on the vibrating blade 10, and the first connecting surface 122 or the second connecting surface 124 is connected with the vibrating mechanism 40 on the paver 1 in the assembly process so as to realize positioning connection of the vibrating blade 10. The first working surface 126 and the second working surface 128 are two different head surfaces of the vibrating blade 10, and the transition surface 130 is a transition surface between the first working surface 126 and the second working surface 128 for guiding the first working surface 126 and the second working surface 128. The first working surface 126 is opposite to the first connecting surface 122, so that the first connecting surface 122 and the first working surface 126 can be matched for use, and when the first connecting surface 122 is connected with the vibrating mechanism 40, the first working surface 126 contacts with pavement materials and performs vibrating work; similarly, the second working surface 128 and the second connecting surface 124 are disposed opposite to each other, so that the second connecting surface 124 and the second working surface 128 can cooperate with each other, and when the second connecting surface 124 is connected to the vibrating mechanism 40, the second working surface 128 contacts with the pavement material and performs the vibrating operation. That is, the present invention sets two groups of connection surfaces and working surfaces capable of working independently on the main body 12 of the vibrating blade 10, so that the vibrating blade 10 has two different working modes at the same time, a user can select a corresponding working mode according to different construction requirements at any time, and when the working mode of the vibrating blade 10 is replaced, the connection surfaces of the vibrating blade 10 can be directly replaced to complete the switching, so that the replacement of the whole cutter is avoided, the one-blade multi-purpose vibrating blade 10 is realized, the user can complete the construction of different types of road surfaces through a single vibrating blade 10, further the product structure is optimized, the product function coverage area is widened, the product use experience is optimized, and the technical effect of the product use cost is reduced.
In particular, in existing paving apparatuses, the vibrating mechanism 4' is generally equipped with a blade 6' having a large width to increase the degree of precompaction, however, such a blade 6' having a large width is not all advantageous: when building asphalt road layers, the blade 6' with larger width receives larger material reverse impact force due to the large rigidity of asphalt mixture, so that the screed plate vibrates, even jumps, and the construction quality is affected. In addition, the viscosity of the road building material is different, and the requirements on the feeding angle of the blade 6' are different during paving. In order to avoid the sticking of the blade 6', the galling phenomenon occurs, and the more viscous the material is, the larger the feeding angle of the blade 6' should be. Thus, the blade 6' for spreading the asphalt mixture has a larger feed angle than the stabilized soil.
In this regard, there are two methods for current construction: one is to purchase a stabilized soil spreader suitable for stabilized soil construction and an asphalt spreader suitable for asphalt mixture construction, respectively, wherein the stabilized soil spreader is used in stabilized soil construction, and the asphalt spreader is used in asphalt mixture construction; the other method is to purchase only an asphalt paver or a stabilized soil paver and finish the construction of the stabilized soil and asphalt mixture by using the same paver. The first method can ensure the construction quality, but needs the user to purchase two pavers, and the investment is huge. The second approach would be to have both the asphalt paver paving the stabilized soil and the stabilized soil paver paving the asphalt. When the asphalt paver is used for paving stabilized soil, the width of the blade 6' is smaller, so that the supporting force of the screed is insufficient, the one-time paving thickness is small, and the construction efficiency is affected; the asphalt paving blade 6' of the stabilized soil paving machine is large in width and small in feeding angle, and the construction quality cannot be guaranteed. And constructors must manually lift the paver to switch the feeding angle alpha of the cutter, so that the labor intensity of the constructors can be greatly increased, and the construction quality cannot be ensured.
In view of the above technical problems, the present invention provides a vibrating blade 10 with a switchable working surface, a user can switch the working surface of the vibrating blade 10 at any time by changing the connection relationship between the first connection surface 122 and the second connection surface 124 of the vibrating blade 10 and the vibrating mechanism 40, so that the same vibrating blade 10 has two working surfaces with different widths and different feeding angles, the user can directly complete the functional switching by operating the vibrating blade 10 without changing the paver 1, the construction operator can complete the compaction work of the soil layer and the asphalt layer through the same paver 1, the phenomenon of overlarge vibration and napping of the paver 1 can be avoided, the technical problems are further solved, the construction efficiency and the construction quality are greatly improved, and the technical effect of reducing the construction cost is achieved.
In one embodiment of the present invention, preferably, as shown in fig. 3 and 4, the angle between the first working surface 126 and the transition surface 130 is greater than the angle between the second working surface 128 and the transition surface 130; the width of the second working surface 128 (left-right direction in fig. 3 and 4) is greater than the width of the first working surface 126 (left-right direction in fig. 3 and 4).
In this embodiment, the angle between the first working surface 126 and the transition surface 130 is β1, and the angle between the second working surface 128 and the transition surface 130 is β2, where β1 > β2. The included angle between the working surface and the transition surface 130 is the feeding angle of the vibrating blade 10, and by arranging the first working surface 126 and the second working surface 128 with different feeding angles on the vibrating blade 10, a user can choose the first working surface 126 with larger feeding angle and smaller width (the lengths of the first working surface 126 and the second working surface 128 are the same, so that the corresponding areas are smaller, and the length direction is the direction perpendicular to the paper surface in fig. 3 and 4) as the current working surface when paving the pavement material with larger viscosity; the second working face 128 with smaller feeding angle and larger width (larger area) is selected as the current working face when paving the pavement material with smaller viscosity, so that the technical problems of napping, uncompacted and the like caused by unsuitable feeding angle can be avoided under the premise of ensuring the pavement construction quality and efficiency, the product structure is optimized, the application range of the product is widened, and the technical effect of product reliability is improved.
Further, the width of the first connecting surface 122 is D1, the width of the second connecting surface 124 is D2, and when the first working surface 126 is the current working surface, the working width of the vibrating blade 10 is D1; when the second working surface 128 is the current working surface, the working width of the vibrating blade 10 is D2, where D2 is greater than D1, and by defining the working modes of the vibrating blade 10 with two different widths, the vibrating blade 10 can select different working states according to different construction requirements, so as to change the feeding foot of the vibrating blade 10 and the reaction force received by the feeding foot, avoid the vibrating blade 10 from jumping up due to huge reaction force when processing the pavement material with high rigidity, further optimize the product structure, improve the working reliability of the product, and improve the technical effect of product safety.
In one embodiment of the present invention, the first working surface 126 is preferably perpendicular to the second working surface 128 as shown in fig. 3 and 4; the first connection surface 122 is perpendicular to the second connection surface 124.
In this embodiment, by arranging the first working surface 126 and the second working surface 128 perpendicular to each other, on one hand, it is possible to prevent a part of the second working surface 128 from making erroneous contact with the pavement material when the first working surface 126 is working, thereby thoroughly separating the first working surface 126 and the second working surface 128 and improving the construction quality. On the other hand, the first working surface 126 and the second working surface 128 can be conveniently identified by a user, the technical problem that the working surfaces are difficult to distinguish due to the fact that angles on the main body 12 of the vibrating cutter 10 are disordered is avoided, and further the product structure is optimized, the practicability and the reliability of the product are improved, and the technical effect of using experience of the user is improved.
In one embodiment of the present invention, preferably, as shown in fig. 3 and 4, the vibrating blade 10 further includes: a first mounting hole 14 provided on the first connection surface 122; a second mounting hole 16 provided on the second connection surface 124; wherein the first mounting hole 14 is perpendicular to the first connection surface 122 and the second mounting hole 16 is perpendicular to the second connection surface 124.
In this embodiment, through setting up first mounting hole 14 and second mounting hole 16 respectively on first mounting face and second mounting face for vibrating sword 10 can realize the connection of first connecting face 122 and vibrating mechanism 40 and the connection of second connecting face 124 and vibrating mechanism 40 through the connecting piece with first mounting hole 14 and second mounting hole 16 matched with, and set up the mounting hole and can simplify the dismantlement degree of difficulty and the assembly degree of difficulty of vibrating sword 10, thereby reduce the operation degree of difficulty of vibrating sword 10 switching in-process, and then play the reduction product operation degree of difficulty, promote product practicality, improve product connection reliability, promote the technological effect that the user used and experienced.
Through setting up first mounting hole 14 perpendicularly on first junction surface 122 and setting up second mounting hole 16 perpendicularly on second junction surface 124 for vibrating sword 10 assembles along with the junction surface vertically direction on vibrating mechanism 40, thereby the user of being convenient for pinpoints the assembly, avoids the dislocation assembly, and then realizes optimizing the product assembly process, promotes the technical effect of product reliability.
In one embodiment of the present invention, the first mounting hole 14 and the second mounting hole 16 are preferably threaded holes.
In this embodiment, through setting up first mounting hole 14 and second mounting hole 16 to the screw hole for vibrating sword 10 can be through this screw hole simple swift assembly on vibrating mechanism 40, reduce vibrating sword 10's the assembly degree of difficulty, threaded connection is detachable connection structure simultaneously, can reduce vibrating sword 10's the dismantlement degree of difficulty, thereby realized optimizing product assembly structure, promote product practicality and reliability, improve the technological effect that the user used to experience.
A second object of the present invention is to provide a paver 1, as shown in fig. 5 and 6, the paver 1 comprising a vibrating blade 10 according to any of the embodiments described above; and a vibrating mechanism 40, the vibrating knife 10 is connected with the vibrating mechanism 40; wherein the first working surface 126 and the transition surface 130 operate when the first connection surface 122 is connected to the vibrating mechanism 40, and the second working surface 128 and the transition surface 130 operate when the second connection surface 124 is connected to the vibrating mechanism 40.
In this embodiment, when the first connection surface 122 is connected to the vibrating mechanism 40, the first working surface 126 contacts the road surface material and performs the vibrating operation, the transition surface 130 plays a guiding role, and when the second connection surface 124 is connected to the vibrating mechanism 40, the transition surface 130 plays a guiding role, and the second working surface 128 contacts the road surface material and performs the vibrating operation. The vibrating cutter 10 is provided with two different working modes at the same time, a user can select corresponding working modes according to different construction requirements at any time, and when the working modes of the vibrating cutter 10 are changed, the connection surface of the vibrating cutter 10 can be directly changed to complete switching, so that replacement of the whole cutter is avoided, multiple purposes of one cutter of the vibrating cutter 10 are realized, the user can finish construction of different types of road surfaces through a single vibrating cutter 10, and further, the product structure is optimized, the product function coverage range is widened, the product use experience is optimized, and the technical effect of the product use cost is reduced.
In one embodiment of the present invention, preferably, as shown in fig. 3 and 6, the paver 1 further comprises: a blocking member 18 for blocking the first mounting hole 14 or the second mounting hole 16; wherein, when the first mounting hole 14 is connected with the vibrating mechanism 40, the blocking piece 18 is arranged in the second mounting hole 16; when the second mounting hole 16 is connected to the vibrating mechanism 40, the blocking piece 18 is disposed in the first mounting hole 14.
In this embodiment, by providing the blocking piece 18 on the vibrating blade 10, the first mounting hole 14 or the second mounting hole 16 may be filled with the blocking piece 18 in the non-connection state, so as to prevent the pavement material of the first working surface 126 from entering the second mounting hole 16 on the second working surface 128 during working, and similarly prevent the pavement material of the second working surface 128 from entering the first mounting hole 14 on the first working surface 126 during working, so as to avoid the technical problem that the vibrating blade 10 cannot be mounted due to the blockage of the first mounting hole 14 and the second mounting hole 16 by materials, further optimize the product structure, improve the working reliability of the product, reduce the accident rate of the product, and improve the technical effect of the user experience.
In one embodiment of the present invention, preferably, as shown in fig. 5 and 6, the paver 1 further comprises: a frame 20; the striker plate 30 is connected with the frame 20, and the striker plate 30 and the frame 20 enclose a cavity with an opening at the bottom; the vibrating mechanism 40 is arranged in the cavity, and the vibrating mechanism 40 is connected with the frame 20; the vibrating knife 10 is connected with a vibrating mechanism 40, and the vibrating mechanism 40 drives the vibrating knife 10 to reciprocate at the opening along the vertical direction.
In this embodiment, the paver 1 is composed of a frame 20, a striker plate 30 and a vibrating mechanism 40. The frame 20 is a frame structure of the main body 12 of the paver 1, and the rest of the structures on the paver 1 are positioned and mounted on the frame 20. The striker plate 30 is arranged at the front end of the travelling direction of the paver 1, and in the working process, the striker plate 30 pushes the pavement material to travel, so that the pavement material is prevented from entering the paver 1 from the front end of the paver 1, and the technical problems of blockage of the internal structure of the paver 1, circuit damage, difficulty in cleaning and the like are avoided. The vibrating mechanism 40 is a main working part of the paver 1, the vibrating cutter 10 is arranged on the vibrating mechanism 40, the vibrating mechanism 40 drives the vibrating cutter 10 to vibrate along the vertical direction at an opening surrounded by the frame 20 and the baffle plate 30 at the bottom of the paver 1, so that compaction and tamping of pavement materials are realized, the product structure is optimized, and the working reliability of the product is improved.
In one embodiment of the present invention, preferably, as shown in fig. 5, the vibrating mechanism 40 further includes: eccentric shaft 402 rotatably disposed on frame 20; and a connecting rod 404, one end of the connecting rod 404 is movably connected with the eccentric shaft 402 in the vertical direction, and the other end of the connecting rod 404 is connected with the first connecting surface 122 or the second connecting surface 124, wherein when the working surface of the vibrating blade 10 is switched, the connection relation between the connecting rod 404 and the eccentric shaft 402 is adjusted to adjust the height of the vibrating blade 10 in the vertical direction.
In this embodiment, eccentric shaft 402 is a driving structure in vibrating mechanism 40, eccentric shaft 402 can change the rotation track of the component, connecting rod 404 is a transitional connection structure between eccentric shaft 402 and vibrating knife 10, and eccentric shaft 402 can drive vibrating knife 10 to open at the bottom of paver 1 through connecting rod 404 to implement repeated oscillating motion. Through set up in vibrating mechanism 40 with frame 20 rotate continuous eccentric shaft 402 for partial eccentric shaft 402 can be in vibrating mechanism 40 do continuous eccentric motion, thereby realized vibrating the motion pattern of vibrating sword 10's repeated vibration, vibrating sword 10 that the in-process was repeated vibration from top to bottom can be repeated compress tightly road surface material, with flattening road bed and asphalt layer, save the labour by a wide margin, and then play optimizing product functionality, reduce the road surface construction degree of difficulty, promote the technical effect of product operational reliability.
The connection between the connecting rod and the eccentric shaft is set to be an adjustable connection structure capable of being adjusted in the vertical direction, so that a user can realize the adjustment of the vibrating mechanism 40 in the vertical direction by switching the connection relation between the vibrating mechanism 40 and the fixing hole, for example, when a construction road surface layer is changed from an earth layer to an asphalt layer, the user firstly switches the working surface of the vibrating cutter 10, and then reduces the relative position of the connecting rod 404 on the eccentric shaft 402 by adjusting the connection structure, so that the positions of the vibrating mechanism 40 and the vibrating cutter 10 in the vertical direction are reduced, the working surface of the vibrating cutter 10 is ensured to be fully contacted with the asphalt road surface, the adjustability of a product is improved, and the technical effect of improving the reliability of the product is achieved.
In one embodiment of the present invention, preferably, as shown in fig. 5 and 6, the paving further comprises: one end of the adjusting plate 50 is movably connected to the striker plate 30, and the other end of the adjusting plate 50 is provided with a limiting surface; the spacing surface is used for limiting the shaking amplitude of the vibrating blade 10 in the horizontal direction, and a preset interval is reserved between the spacing surface and the vibrating blade 10.
In this embodiment, the paver 1 is further provided with an adjusting plate 50, one end of the adjusting plate 50 is movably connected with the striker plate 30, the other end of the adjusting plate is provided with a limiting surface, in addition to the up-and-down reciprocating motion of the vibrating knife 10 under the driving of the vibrating mechanism 40, in the working process, vibration and offset in the horizontal direction can occur due to the influence of pavement materials, if the horizontal vibration amplitude is too large, larger shearing force can be generated, and the connecting structure of the vibrating knife 10 and the vibrating mechanism 40 and the connecting rod 404 are damaged. To this end, the user can adjust the relative position of the limiting surface by adjusting the connection state of the adjusting plate 50 and the striker plate 30, thereby ensuring that the preset interval is reserved between the limiting surface and the vibrating knife 10 all the time, avoiding the vibrating knife 10 from horizontal vibration with a large amplitude in the working process, further realizing the optimization of the product structure, improving the working reliability of the product and improving the technical effect of the safety of the product.
In one embodiment of the present invention, preferably, as shown in fig. 6, the paver 1 further comprises: one of the baffle plate 30 and the adjusting plate 50 is provided with a waist-shaped hole, and the other is provided with a positioning hole which is arranged corresponding to the waist-shaped hole; bolts pass through the positioning holes and the kidney holes to connect the striker plate 30 and the adjustment plate 50 together.
In this embodiment, by providing kidney-shaped holes and positioning holes on the striker plate 30 and the adjustment plate 50, respectively, the relative positions between the striker plate 30 and the adjustment plate 50 can be switched at any time. In the working process, when the user switches the first working surface 126 and the second working surface 128, the interval between the vibrating blade 10 and the adjusting plate 50 can be changed, at this time, the user loosens the bolt connection, and adjusts the relative position of the bolt in the kidney-shaped hole, so that the relative position of the adjusting plate 50 on the striker plate 30 is changed, and the interval between the limiting surface and the vibrating blade 10 is adjusted, so that the vibrating blade 10 is prevented from horizontal vibration in the working process to a large extent, the product structure is optimized, the working reliability of the product is improved, the operation difficulty of the product is reduced, and the technical effect of the user experience is improved.
In an embodiment of the present invention, as shown in fig. 3 to 6, the blocking member 18 is a plug screw, and in order to firmly connect the connecting rod 404 with the vibrating blade 10, a plurality of threaded holes may be specifically formed on the first connecting surface 122 and the second connecting surface 124 of the vibrating blade 10, and the lower end of the connecting rod 404 is connected with the first connecting surface 122 or the second connecting surface 124 in the vibrating blade 10 by using bolts or screws. When the lower end of the connecting rod 404 is connected with the first connecting surface 122, the threaded hole on the second connecting surface 124 is blocked by a screw plug; otherwise, the threaded hole 46 on the first connecting surface 122 is blocked, so that the road construction material is prevented from being poured into the threaded hole to influence the next installation.
In one embodiment of the present invention, as shown in fig. 3 and 4, to meet the paving needs of road materials of different stiffness and viscosity, the blade cross-section needs to satisfy the following geometric relationship: the first connecting surface 122 and the second connecting surface 124 are perpendicular to each other, D2 is larger than D1, the feeding angles β1 and β2 are complementary, and β1 is larger than β2. Thus, when paving road building materials with high rigidity and high viscosity (such as asphalt mixture), the first connecting surface 122 is connected with the lower end of the connecting rod 404, so that the phenomena of springing and road surface roughening of the screed are not easy to occur; when paving road construction materials (such as stabilized soil) with low rigidity and low viscosity, the second connecting surface 124 is connected with the lower end of the connecting rod 404, so that large-thickness paving can be realized, and the construction efficiency is improved.
In the present invention, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. 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 (9)
1. A vibrating blade, characterized in that the vibrating blade comprises:
the main body comprises a first connecting surface, a second connecting surface, a first working surface, a second working surface and a transition surface, wherein the first connecting surface and the second connecting surface are adjacent, the first working surface and the second working surface are respectively arranged opposite to the first connecting surface and the second connecting surface, and the transition surface is obliquely arranged between the first working surface and the second working surface;
The area of the first working surface is not equal to the area of the second working surface;
an included angle between the first working surface and the transition surface is larger than an included angle between the second working surface and the transition surface;
the width of the second working surface is larger than that of the first working surface.
2. The vibrating blade of claim 1, wherein:
the first working surface is perpendicular to the second working surface;
the first connecting surface is perpendicular to the second connecting surface.
3. The vibrating blade of claim 1, further comprising:
the first mounting hole is arranged on the first connecting surface;
the second mounting hole is arranged on the second connecting surface;
wherein the first mounting hole is perpendicular to the first connection surface, and the second mounting hole is perpendicular to the second connection surface;
the first mounting hole and the second mounting hole are threaded holes.
4. A paver comprising a vibrating blade as claimed in claim 3;
the vibrating cutter is connected with the vibrating mechanism;
when the first connecting surface is connected with the vibrating mechanism, the first working surface and the transition surface work, and when the second connecting surface is connected with the vibrating mechanism, the second working surface and the transition surface work.
5. The paver as in claim 4, further comprising:
the blocking piece is used for blocking the first mounting hole or the second mounting hole;
when the first mounting hole is connected with the vibrating mechanism, the plugging piece is arranged in the second mounting hole;
when the second mounting hole is connected with the vibrating mechanism, the blocking piece is arranged in the first mounting hole.
6. The paver of claim 5, further comprising:
a frame;
the material baffle is connected with the frame, and a cavity with an opening at the bottom is formed by the material baffle and the frame;
the vibrating mechanism is arranged in the cavity and is connected with the frame;
wherein, vibrating mechanism drives vibrating sword in opening part is along vertical direction reciprocating motion.
7. The paving machine of claim 6, wherein the vibrating mechanism further comprises:
an eccentric shaft rotatably arranged on the frame;
one end of the connecting rod is movably connected with the eccentric shaft in the vertical direction, and the other end of the connecting rod is connected with the first connecting surface or the second connecting surface;
When the working surface of the vibrating knife is switched, the connection relation between the connecting rod and the eccentric shaft is adjusted so as to adjust the height of the vibrating knife in the vertical direction.
8. Paver according to claim 6 or 7, further comprising:
one end of the adjusting plate is movably connected to the striker plate, and the other end of the adjusting plate is provided with a limiting surface;
the vibrating device comprises a vibrating knife, a limiting surface and a vibrating surface, wherein a preset interval is reserved between the limiting surface and the vibrating knife, and the limiting surface is used for limiting the shaking amplitude of the vibrating knife in the horizontal direction.
9. The paver as claimed in claim 8, further comprising:
a bolt;
one of the baffle plate and the adjusting plate is provided with a kidney-shaped hole, the other one is provided with a positioning hole, and the positioning hole is arranged corresponding to the kidney-shaped hole;
the bolt passes through the positioning hole and the kidney-shaped hole to connect the striker plate and the adjusting plate together.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811507988.5A CN109338856B (en) | 2018-12-11 | 2018-12-11 | Vibrating knife and paver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811507988.5A CN109338856B (en) | 2018-12-11 | 2018-12-11 | Vibrating knife and paver |
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| Publication Number | Publication Date |
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| CN109338856A CN109338856A (en) | 2019-02-15 |
| CN109338856B true CN109338856B (en) | 2023-11-21 |
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| CN201811507988.5A Active CN109338856B (en) | 2018-12-11 | 2018-12-11 | Vibrating knife and paver |
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