WO2013026198A1 - 摊铺机及其熨平装置 - Google Patents
摊铺机及其熨平装置 Download PDFInfo
- Publication number
- WO2013026198A1 WO2013026198A1 PCT/CN2011/078823 CN2011078823W WO2013026198A1 WO 2013026198 A1 WO2013026198 A1 WO 2013026198A1 CN 2011078823 W CN2011078823 W CN 2011078823W WO 2013026198 A1 WO2013026198 A1 WO 2013026198A1
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- WO
- WIPO (PCT)
- Prior art keywords
- screed
- cylinder
- pressure source
- support rod
- spring assembly
- Prior art date
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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
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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
- E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
- E01C2301/14—Extendable screeds
Definitions
- a screed is a working device of a paver, which is disposed at the rear of the paver and is responsible for completing the initial compaction and ironing tasks of the mixture. The operation function and the work quality of the paver are all determined by the ironing device. Realized. As shown in Figures 1 and 2, the screed consists essentially of a basic screed 10' (the basic screed of the retractable screed includes a main screed and a secondary screed), an extended screed 40' of various lengths, and the like.
- Both the basic screed 10' and the extended screed 40' are symmetrically distributed. Both the basic screed 10' and the extended screed 40' each include an end plate and a bottom plate 83', wherein the elongated screed 40' has an end plate for attachment on both sides.
- a hammer mechanism 82' is disposed directly in front of the bottom plate 83', and a hammer front baffle 8 is disposed in front of the hammer mechanism 82'.
- a vibrator is arranged on the screed box, and the tamper mechanism 82' and the vibrator are vibration systems with eccentric shafts.
- the basic screed 10' is mounted on the towing boom of the paver mainframe, and the entire screed is advanced by the mainframe.
- the extended screed 40'-side extension end plate 41' is attached to the base section end plate 1 of the base screed 10', and the extended side end plate 4' on the other side can be used to connect other extension screeds 40'.
- the screed includes a plurality of lengthened screeds 40' of different lengths. In order to achieve different working widths, the lengthening screed 40' is currently attached to each side by a human connecting bolt 30'. When attaching the screed 40', the front mounting bolts need to be lifted. The hammer front baffle 8 ⁇ leaves the wrench's operating space to tighten the bolts, and the installation space is limited.
- the installation space here is very limited, so that the pre-tightening force of the bolts at this place is smaller than others.
- the bolt with a small preload force is easily loosened, resulting in insufficient clamping force between the two screeds.
- the screed is bonded with asphalt material after use, and it is difficult to lift the tamper front baffle 8 ⁇ at the front of the screed, and sometimes even after the asphalt is cleaned.
- the extended screed 40' is heavy and takes a long time to install, and the operator is labor intensive and time consuming.
- the existing ironing device has the following disadvantages: 1.
- An object of the present invention is to provide a paver and an ironing apparatus thereof which are easy to install and which can reduce the labor intensity of an operator.
- the invention provides a screeding device comprising a basic screed and an elongated screed connected thereto, a clamping mechanism, a basic screed and an extended screed, the clamping mechanism comprising: a drive system, including a cylinder block, a piston and a support rod, the support rod passes through the basic screed and the extension screed, the support rod is coupled to the piston, and the first end of the cylinder is pressed against one of the elongated screed and the basic screed; the power system, including the pressure The source, the pressure source is connected to the cylinder; the energy storage system includes a spring assembly, the first end of the spring assembly is pressed against the second end of the cylinder; the limit adjustment system is connected with the support rod, and the limit adjustment system includes a first limit adjustment portion, the first limit adjustment portion and the support rod have a first position to pass through the basic screed, and a second position to press against the other of the elongated screed and the basic screed; When the tightening mechanism is in the clampe
- the first limit adjustment portion includes a limit nut, and the limit nut is screwed to the support rod.
- the basic screed is provided with an insertion hole and a positioning hole which are connected to each other, and the limiting nut and the support rod which are sleeved on the support rod pass through the insertion hole when the support rod is in the first position, and the limit nut and the support rod are at The second position is pressed against the edge of the positioning hole.
- a spring assembly is interposed between the piston and the second end of the cylinder. Further, the piston opens a spring assembly guiding groove, and the spring assembly is compressively disposed between the bottom surface of the spring assembly guiding groove and the second end of the cylinder.
- the second end of the piston is provided with a spring assembly guiding groove, and the spring assembly is compressively disposed in the spring assembly guiding groove.
- the ironing device further includes a vertical adjusting portion including an adjusting member and a pressing member screwed to the adjusting member, and one end of the pressing member is coupled to the elongated screed.
- the drive system further includes a pressure source connection pipe, one end of the pressure source connection pipe is in communication with the pressure source, and the other end is in communication with the interior of the cylinder block.
- the first end of the cylinder is provided with a first end cover, and the second end is provided with a second end cover.
- the side of the first end cover facing the interior of the cylinder has a boss, and the boss faces the interior of the cylinder.
- the maximum distance of the end face along the axial direction of the support rod from the end face of the second end cover facing the inside of the cylinder body is H.
- the pressure source connection pipe has an oil inlet port, and the oil inlet port is axially oriented along the support rod.
- the maximum distance of the end face of the two end cap facing the inside of the cylinder is H 2 , wherein H 2 > H lt)
- the ironing device further comprises a connection force driving mechanism including an accumulator, an accumulator The first end is in communication with the pressure source, and the second end is in communication with the pressure source connection tube.
- connection force driving mechanism further includes a pressure monitoring mechanism connected to the pressure source connecting pipe for monitoring the internal pressure of the cylinder. Further, the connection force driving mechanism further includes an overflow mechanism that communicates with both the pressure source and the pressure source connection pipe for defining the internal maximum pressure of the cylinder. Further, the connection force drive mechanism further includes a shutoff valve that is in communication with both the pressure source and the pressure source connection pipe.
- the present invention also provides a paver comprising the aforementioned ironing device.
- the first end of the cylinder is pressed against the elongated screed, and the first limit adjustment portion is passed through the basic screed And in the first position, the spring assembly is in an initial compressed state; the first limit adjustment portion is adjusted from the first position to the second position, and then the pressure source connected to the cylinder is turned on, and is directed to the cylinder Internally input pressure oil, driven by hydraulic pressure, the first limit adjustment is pressed against the basic screed and the basic screed is clamped to the extended screed by hydraulic pressure.
- Figure 1 is a front elevational view of a prior art ironing apparatus, wherein the direction indicated by the arrow is the forward direction of the paver;
- Figure 2 is a side view of the prior art ironing apparatus;
- Figure 3 is a schematic view of the present invention;
- Figure 4 is a schematic view showing the structure of the clamping mechanism of the ironing device according to the present invention;
- Figure 5 is a schematic front view showing the lengthening screed of the ironing device according to the present invention;
- FIG. 7 is a side elevational view of the screed apparatus in accordance with the present invention; and
- the ironing apparatus in accordance with the present invention includes a base screed 10 and an elongate screed 40 coupled thereto, and a clamping mechanism 30 that connects the base screed 10 and the elongate screed 40.
- the clamping mechanism 30 includes: a drive system including a cylinder block 331, a piston 333 and a support rod 335.
- the support rod 335 passes through the basic screed 10 and the elongated screed 40, and the support rod 335 is coupled to the piston 333.
- the first end of the cylinder block 331 is pressed against the elongated screed 40;
- the power system includes a pressure source, and the pressure source is in communication with the cylinder block 331;
- the energy storage system includes a spring assembly 321, and the first end of the spring assembly 321 is abutted Pressing on the second end of the cylinder block 331;
- the limit adjustment system is connected to the support rod 335, the limit adjustment system includes a first limit adjustment portion, and the first limit adjustment portion and the support rod 335 have a basic screed The first position of 10 and the second position against the basic screed 10.
- the cylinder 331 When the clamping mechanism is in the clamped state, the cylinder 331 is filled with oil pressure; when the clamping mechanism is in the released state, the oil pressure is released in the cylinder 331. To extend the working width of the screed, the first end of the cylinder 331 is pressed against the elongated screed 40, and the first limit adjustment portion is passed out of the basic screed 10 and in the first position, at which time the spring assembly 321 is in an initial compressed state.
- the first limit adjusting portion is adjusted from the first position to the second position, then the pressure source communicating with the cylinder 331 is turned on, and the pressure oil is input to the inside of the cylinder 331, and driven by the hydraulic pressure, first
- the limit adjustment portion retracts and presses against the basic screed 10 and clamps the basic screed 10 to the extended screed 40 by hydraulic pressure.
- This kind of ironing device is easy to install the extended screed 40 when the screed is extended, no need for manual
- the fasteners are tightened so that the screed is not affected by the front bezel 81 of the tamper mechanism 82 when lengthened, which reduces the labor intensity of the operator and speeds up the installation of the screed 40.
- the cylinder block 331 can also be pressed against the basic screed 10, and the first limit adjustment portion is pressed against the elongated screed 40.
- a basic screed 10 the screed to which the extension screed 40 is to be attached, which is already connected to the paver, is referred to as a basic screed 10; the screed to be connected outside the basic screed 10 is referred to as Lengthen the screed 40.
- Lengthen the screed 40 Taking Figure 3 as an example, when there is only one screed on each side of the paver, the screed is referred to as the basic screed 10 at this time.
- the screed connected thereto is referred to as an extended screed 40.
- the first limit adjustment portion includes a limit nut 314, and the limit nut 314 is screwed to the support rod 335.
- a limit nut 314 is disposed at one end of the support rod 335 and is threadedly coupled thereto.
- the first limit adjustment portion further includes a washer 313 disposed between the limit nut 314 and the basic screed 10.
- the distance between the washer 313 and the first end of the cylinder 331 and the clamping face of the elongated screed 40 can be adjusted to satisfy the basic screed 10 and the extended screed 40.
- the washer 313 abuts against the basic screed 10
- the first end of the cylinder 331 abuts against the elongated screed 40 to complete the tight connection of the two connected members.
- the first end of the cylinder block 331 is detachably coupled to the elongated screed 40.
- At least two threaded holes 340 for attachment are provided on the first end of the cylinder block 331, and the cylinder 331 of the clamping mechanism is coupled to the elongated end plate 41 of the elongated screed 40 by the threaded holes 340.
- the distance L between the elongated end plate 41 and the washer 313 of the clamping mechanism is slightly larger than that of the basic screed 10 being connected.
- the thickness of the base end plate 11, the connection between the elongated screed 40 and the basic screed 10 is as shown in FIG. As shown in FIG.
- the basic screed 10 is provided with a mounting hole 121 and a positioning hole 122 which are connected to each other, and are sleeved through the mounting hole when the limiting nut 314 of the support rod 335 and the support rod 335 are in the first position. 121.
- the limit nut 314 and the support rod 335 are pressed against the edge of the positioning hole 122 when in the second position.
- the ironing device further includes a vertical adjustment portion 20.
- the first limit adjustment portion further includes a washer 313 disposed between the limit nut 314 and the basic screed 10.
- the diameter of the loading hole 121 is larger than the diameters of the limiting nut 314 and the washer 313, so that in the first position, the limiting nut 314 and the washer 313 can move in the axial direction of the support rod 335, penetrate from the loading hole 121 or Wear it out.
- the locating hole 122 has a diameter at least smaller than the washer 313, so that in the second position, the limit nut 314 and the washer 313 are pressed against the periphery of the locating hole 122.
- the support rod 335 of the clamping mechanism 30 on the screed 40 is inserted into the corresponding loading hole 121 of the end plate 11 of the connected basic screed 10, and then placed in the positioning hole 122. Then, the adjustment vertical adjustment portion 20 is adjusted so that the bottom plates 83 of the adjacent two screeds are on the same horizontal plane.
- the vertical adjustment portion 20 includes an adjustment member 21 and a pressing member 22 screwed to the adjustment member 21, and one end of the pressing member 22 is coupled to the extension screed 40.
- the adjusting member 21 is an adjusting bolt which is screwed to the inverted "L"-shaped pressing member 22.
- the adjusting member 21 is pressed against the outer side of each connected basic screed, and the pressing member 22 is attached to the elongated screed 40.
- the pressing member 22 is driven to move in the vertical direction to drive the elongated screed 40 to move in the vertical direction.
- the arrangement of the vertical adjustment portion 20 allows the operator to conveniently and accurately adjust the position of the elongated screed 40.
- the vertical adjustment portion 20 is provided on the outer side of the screed, it is easier to adjust.
- the spring assembly 321 is interposed between the piston 333 and the second end of the cylinder block 331.
- the second end of the piston 333 is provided with a spring assembly guiding groove, and the spring assembly 321 is compressively disposed between the bottom surface of the spring assembly guiding groove and the second end of the cylinder block 331.
- the first end of the piston 333 is fixedly coupled or detachably coupled to the support rod 335.
- the piston 333 is provided with a spring assembly guide groove recessed inside the piston 333, and the spring assembly 321 is disposed between the bottom surface of the spring assembly guide groove and the second end cover 323 of the second end of the cylinder 331.
- the spring assembly 321 In the initial state of the clamping mechanism, the spring assembly 321 is in a compressed state, and under the force of the spring assembly 321, the end face A of the piston 333 is fitted to the end face B of the first end cap 332 at the first end of the cylinder block 331.
- the first end cover 332 is a guiding end cover, which itself has a certain length along the axial direction of the support rod 335, and guides the movement of the support rod 335 passing therethrough to ensure the smoothness of the movement of the support rod 335.
- the drive system further includes a pressure source connecting pipe 334 having one end connected to the pressure source and the other end communicating with the inside of the cylinder 331.
- the pressure source connecting pipe 334 is disposed on the side of the cylinder block 331 and communicates with the inside of the cylinder block 331 for connecting the pressure source.
- the first end of the cylinder block 331 is provided with a first end cover 332, and the second end is provided with a second end cover 323, and the side of the first end cover 332 facing the inside of the cylinder block 331 has Boss, the boss facing the cylinder 331
- the inner end face has a maximum distance Hi from the end face of the second end cover 323 toward the inner side of the cylinder block 331 in the axial direction of the support rod 335, and the pressure source connection pipe 334 has an oil inlet port, and the oil inlet port supports the oil inlet port.
- the axial direction of the rod 335 is a maximum distance of 3 ⁇ 4 from the end face of the second end cover 323 facing the inside of the cylinder 331, wherein 3 ⁇ 4>3 ⁇ 4.
- the pressure source connecting pipe 334 is a fuel pipe joint
- the cylinder block 331 is fixedly coupled to the first end cap 332 with the boss and the oil pipe joint.
- the piston 333 is in the initial position before the hydraulic oil is introduced into the pressure source connecting pipe 334. Under the action of the spring assembly 321, the end face A of the piston 333 is brought into contact with the end face B of the boss.
- the arrangement of the boss and its positional relationship with the oil inlet ensures the communication between the oil inlet and the internal space of the cylinder 331.
- the ironing device further includes a connection force driving mechanism including an accumulator 61, the first end of the accumulator 61 is in communication with the pressure source, and the second end thereof is in communication with the pressure source connection pipe 334.
- the accumulator 61 is for holding the oil pressure in the cylinder 331 when the clamp mechanism 30 is in the clamped state.
- the connection force drive mechanism further includes an overflow mechanism 63 that communicates with both the pressure source and the pressure source connection pipe 334 for defining the internal maximum pressure of the cylinder block 331.
- the connection force drive mechanism further includes a pressure monitoring mechanism 64 in communication with the pressure source connection pipe 334 for monitoring the internal pressure of the cylinder block 331.
- the overflow mechanism 63 is a relief valve and the pressure monitoring mechanism 64 is a pressure relay or a pressure sensor.
- the connecting force driving mechanism is composed of an accumulator 61, a shut-off valve 62 or other type of valve, a relief valve, a pressure relay or a pressure sensor which can block the oil passage, and the connecting force driving mechanism is connected by a hydraulic hose 65 at one end.
- the upper pressure source is connected to the other end to a hydraulic hose 65, and the end of the hydraulic hose 65 is provided with a quick joint 69.
- the connection force drive mechanism is mounted on the paver mainframe or the basic screed 10.
- the quick joint 69 is directly connected to the pressure source connecting pipe 334 through the oil pipe distributing valve block 68 and the hydraulic oil pipe 67.
- the accumulator 61 holds the oil pressure in the cylinder 331 of the clamp mechanism 30 and replenishes the leakage of the hydraulic fluid of each hydraulic component to ensure the clamping force of the clamp mechanism.
- the connecting force driving mechanism opens the control switch to timely pressurize the cylinder 331.
- the maximum value of the charge is set by the relief valve.
- the clamping force of the clamping mechanism is always between the value set by the pressure relay or pressure sensor and the value set by the relief valve, ensuring sufficient clamping force between the two screeds.
- the pressure relay or the pressure sensor and the relief valve can be adjusted quickly and in time to obtain the clamping force of different clamping mechanisms, which can meet the connection of screeds of different specifications and sizes.
- the force required for the connection of different screeds can be quickly adjusted according to the actual situation.
- the two interconnected screeds are connected by a plurality of clamping mechanisms.
- the support rod 335 of the clamping mechanism 30 on the elongated screed 40 is inserted into the corresponding loading of the base end plate 11 of the connected basic screed 10. After the hole 121, it is placed in the positioning hole 122. The adjustment member 21 is then adjusted so that the bottom plates 83 of the adjacent two screed are on the same level.
- the power system is connected by a connection drive mechanism, and a hydraulic hose 65 with a quick connector 69 on the connection force drive system is connected to the pressure source connection pipe 334 on the extension screed.
- the control switch of the connection force driving mechanism is opened, and under the driving of the hydraulic pressure, the flat washer 313 on the support rod 335 is fitted on the basic end plate 11 of the connected basic screed 10, and finally the adjacent two ironings are clamped. flat.
- the control switch of the connection force drive mechanism is opened, the oil in the cylinder 331 of the clamp mechanism 30 is returned to the oil tank, and the quick connection 69 connected to the extension screed 40 is released.
- the support rod 335 extends outward.
- the distance L between the elongated end plate 41 of the elongated screed 40 of the mounting clamp mechanism 30 and the flat washer 313 is slightly greater than the thickness of the base end plate 11 to which the basic screed 10 is to be attached, and the screed 40 is raised.
- the flat washer 313 on the clamping mechanism is withdrawn from the loading aperture 121 of the base end plate 11 of the attached basic screed 10. Thereby the lengthening screed 40 is removed from the entire paver.
- the quick loading and unloading screed of the invention can realize the rapid assembly and disassembly of the extended screed according to the variation of the paving work width, and greatly reduces the labor intensity of the operator, saving time and labor. And it is not affected by the vibration of the mechanism such as the hammer, vibrator, etc., and its clamping force is always kept within the preset range.
- the screed has sufficient overall rigidity to ensure paving quality.
- the present invention also provides a paver comprising the aforementioned ironing device.
- the paver of the present invention can quickly realize the loading and unloading of the screed according to the required width of the paved road surface, and the connecting force of the connecting end plates is substantially the same, which improves the overall rigidity of the screed.
- the paver of the present invention can quickly adjust the connection force according to the actual situation, thereby ensuring a stable connection between the screeds and ensuring the paving quality of the road surface. From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: 1. The screed of the paver is not affected by the front baffle of the hammer when lengthened;
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Abstract
一种熨平装置及包括该熨平装置的摊铺机。所述熨平装置包括基本熨平板(10)和与其相连接的加长熨平板(40),还包括夹紧机构(30)。所述夹紧机构(30)包括:驱动***,包括缸体(331)、活塞(333)和支撑杆(335),支撑杆(335)穿过基本熨平板(10)和加长熨平板(40),缸体(331)的第一端抵压在加长熨平板(40)上;动力***,包括与缸体(331)相连通的压力源;蓄能***,包括弹簧组件(321),弹簧组件(321)的第一端抵压在缸体(331)的第二端;限位调节***,包括第一限位调节部,其和支撑杆(335)具有穿出基本熨平板(10)的第一位置以及抵压在基本熨平板(10)上的第二位置。该熨平装置在延长熨平板时,安装容易,不再需要人工拧紧紧固件,减小了操作者的劳动强度,并且加快了加长熨平板的安装速度。
Description
摊铺机及其熨平装置 技术领域 本发明涉及路面施工机械领域, 更具体地, 涉及一种摊铺机及其熨平装置。 背景技术 熨平板是摊铺机的工作装置, 配置在摊铺机的后部, 负责完成混合料的初压实和 熨平任务, 摊铺机的作业功能和作业质量都是靠熨平装置最终实现的。 如图 1和图 2所示,熨平板主要由基本熨平板 10' (伸缩式熨平装置的基本熨平板 包括主熨平板和副熨平板)、 不同规格长度的加长熨平板 40'等组成, 基本熨平板 10' 和加长熨平板 40'均为左右对称分布。 基本熨平板 10'和加长熨平板 40'均包括端板和 底板 83', 其中加长熨平板 40'两侧都有用于连接的端板。 在如图 1箭头方向所示的摊 铺机的前进方向上, 底板 83'的正前方都配置一夯锤机构 82', 夯锤机构 82'前方有夯 锤前挡板 8Γ。 熨平板箱体上布置有振动器, 夯锤机构 82'、 振动器均为带有偏心轴的 振动***。 基本熨平板 10'安装在摊铺机主机的牵引大臂上, 通过主机牵引整个熨平板前进。 加长熨平板 40'—侧的加长段端板 41 '连接在基本熨平板 10'的基本段端板 1 Γ上, 另一 侧的加长段端板 4Γ可用于连接其他加长熨平板 40'。 熨平板包括多种不同长度规格的加长熨平板 40',为了获得不同的工作宽度, 目前 一般都是在每一侧靠人力用连接螺栓 30'装接加长熨平板 40'。 装接时加长熨平板 40' 前部的安装螺栓需抬起夯锤前挡板 8Γ留出扳手的操作空间才能拧紧螺栓,安装空间有 限。 另外, 由于机构限制, 此处的安装空间非常有限, 致使该处的螺栓拧紧的预紧力 比其他的要小。在夯锤机构 82'、振动***等机构的振动之下, 预紧力小的螺栓容易松 动, 导致两熨平板间的夹紧力不够。 再有, 熨平板使用后粘接有沥青料, 很难抬起熨 平板前部的夯锤前挡板 8Γ, 有时甚至需清理完沥青后才能操作。 加之加长熨平板 40' 重量很重, 安装时需花很长时间, 并且操作者的劳动强度很大, 费时费力。 总之, 现有的熨平装置具有以下不足:
1、熨平板前部的螺栓安装时, 需把夯锤机构前的夯锤挡板抬起留出扳手的操作空 间, 才能拧紧螺栓。 当熨平板使用后会粘接有沥青料, 装接时很难抬起熨平板前部的 夯锤前挡板, 有时甚至需清理完沥青后才能操作。
2、 加长熨平板重量很重, 连接螺栓预紧力较大, 操作者的劳动强度很大。 3、由于扳手的操作空间有限,熨平板前部的安装螺栓拧紧的预紧力比其他的要小, 容易松动, 影响熨平板的整体刚性, 从而影响路面的摊铺质量。 发明内容 本发明目的在提供一种安装容易、 且能够降低操作者劳动强度的摊铺机及其熨平 装置。 本发明提供了一种熨平装置, 包括基本熨平板和与其相连接的加长熨平板, 还包 括夹紧机构, 连接基本熨平板和加长熨平板, 夹紧机构包括: 驱动***, 包括缸体、 活塞和支撑杆, 支撑杆穿过基本熨平板和加长熨平板, 支撑杆与活塞相连接, 缸体的 第一端抵压在加长熨平板及基本熨平板其中之一上; 动力***, 包括压力源, 压力源 与缸体相连通; 蓄能***, 包括弹簧组件, 弹簧组件的第一端抵压在缸体的第二端; 限位调节***, 与支撑杆相连接, 限位调节***包括第一限位调节部, 第一限位调节 部和支撑杆具有穿出基本熨平板的第一位置, 以及抵压在加长熨平板及基本熨平板其 中之另一上的第二位置; 当夹紧机构处于夹紧状态时, 缸体内充入油压; 当夹紧机构 处于松开状态时, 缸体内释放油压。 进一步地, 第一限位调节部包括限位螺母, 限位螺母与支撑杆螺纹连接。 进一步地, 基本熨平板上设置有相互连通的装入孔和定位孔, 套设在支撑杆上的 限位螺母和支撑杆处于第一位置时穿过装入孔, 限位螺母和支撑杆处于第二位置时抵 压在定位孔的边缘。 进一步地, 弹簧组件夹设于活塞与缸体的第二端之间。 进一步地, 活塞开设弹簧组件导向槽, 弹簧组件可压缩地设置在弹簧组件导向槽 的底面与缸体的第二端之间。 进一步地, 活塞的第二端设置有弹簧组件导向槽, 弹簧组件可压缩地设置在弹簧 组件导向槽内。
进一步地, 熨平装置还包括竖直调节部, 其包括调节件和与调节件螺纹连接的抵 压件, 抵压件的一端与加长熨平板相连接。 进一步地,驱动***还包括压力源连接管,压力源连接管的一端与压力源相连通, 其另一端与缸体的内部相连通。 进一步地, 缸体的第一端设置有第一端盖, 第二端设置有第二端盖, 第一端盖的 朝向缸体内部的一侧具有凸台, 凸台的朝向缸体内部的端面沿支撑杆的轴向方向距第 二端盖的朝向缸体内部的一侧的端面的最大距离为 H 压力源连接管上具有进油口, 进油口沿支撑杆的轴向方向距第二端盖的朝向缸体内部的一侧的端面的最大距离为 H2, 其中, H2> Hl t) 进一步地, 熨平装置还包括连接力驱动机构, 其包括蓄能器, 蓄能器的第一端与 压力源相连通, 其第二端与压力源连接管相连通, 蓄能器用于在夹紧机构处于夹紧状 态时对缸体内的油压进行保压。 进一步地, 连接力驱动机构还包括与压力源连接管相连通的压力监测机构, 用于 监测缸体的内部压力。 进一步地,连接力驱动机构还包括与压力源和压力源连接管均相连通的溢流机构, 用于限定缸体的内部最大压力。 进一步地, 连接力驱动机构还包括与压力源和压力源连接管均相连通的截止阀。 本发明还提供了一种摊铺机, 包括前述的熨平装置。 采用本发明的摊铺机及其熨平装置, 要延长熨平板的工作宽度时, 将缸体的第一 端抵压在加长熨平板上, 并使第一限位调节部穿出基本熨平板并处于第一位置, 此时 弹簧组件处于初始的压缩状态; 再使得第一限位调节部从第一位置调整到第二位置, 随后接通与缸体相连通的压力源, 并向缸体内部输入压力油, 在液压力的驱动下, 第 一限位调节部抵压在基本熨平板上, 并依靠液压力将基本熨平板与加长熨平板夹紧在 一起。 这种熨平装置及摊铺机, 在延长熨平板时, 安装容易, 不再需要人工拧紧紧固 件, 减小了操作者的劳动强度, 并且加快了加长熨平板的安装速度。 附图说明 构成本申请的一部分的附图用来提供对本发明的进一步理解, 本发明的示意性实 施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图中:
图 1是现有的熨平装置的正视结构示意图, 其中, 箭头所示的方向为摊铺机的前 进方向; 图 2是现有的熨平装置的侧视结构示意图; 图 3是根据本发明的熨平装置的正视结构示意图; 图 4是根据本发明的熨平装置的夹紧机构的结构示意图; 图 5是根据本发明的熨平装置的加长熨平板的正视结构示意图; 图 6是根据本发明的熨平装置的基本熨平板的侧视结构示意图; 图 7是根据本发明的熨平装置的侧视结构示意图; 以及 图 8是根据本发明的熨平装置的加长熨平板的侧视结构示意图。 具体实施方式 下面将参考附图并结合实施例来详细说明本发明。 如图 3所示,根据本发明的熨平装置,包括基本熨平板 10和与其相连接的加长熨 平板 40, 还包括夹紧机构 30, 连接基本熨平板 10和加长熨平板 40。 如图 4所示, 夹 紧机构 30包括: 驱动***, 包括缸体 331、 活塞 333和支撑杆 335, 支撑杆 335穿过 基本熨平板 10和加长熨平板 40, 支撑杆 335与活塞 333相连接, 缸体 331的第一端 抵压在加长熨平板 40上; 动力***, 包括压力源, 压力源与缸体 331相连通; 蓄能系 统, 包括弹簧组件 321, 弹簧组件 321的第一端抵压在缸体 331的第二端; 限位调节 ***, 与支撑杆 335相连接, 限位调节***包括第一限位调节部, 第一限位调节部和 支撑杆 335具有穿出基本熨平板 10的第一位置以及抵压在基本熨平板 10上的第二位 置。 当夹紧机构处于夹紧状态时, 缸体 331内充入油压; 当夹紧机构处于松开状态时, 缸体 331内释放油压。 要延长熨平板的工作宽度时,将缸体 331的第一端抵压在加长熨平板 40上, 并使 第一限位调节部穿出基本熨平板 10并处于第一位置,此时弹簧组件 321处于初始的压 缩状态。 再使第一限位调节部从第一位置调整到第二位置, 随后接通与缸体 331相连 通的压力源, 并向缸体 331 内部输入压力油, 在液压力的驱动下, 第一限位调节部回 缩并抵压在基本熨平板 10上,并依靠液压力将基本熨平板 10与加长熨平板 40夹紧在 一起。 这种熨平装置, 在进行熨平板延长时, 安装加长熨平板 40容易, 不再需要人工
拧紧紧固件, 因此熨平板加长时不受夯锤机构 82的前挡板 81的影响, 减小了操作者 的劳动强度, 并且加快了加长熨平板 40的安装速度。 另外,缸体 331也可抵压在基本熨平板 10上,第一限位调节部抵压在加长熨平板 40上。 值得指出的是, 为了描述方便起见, 将已经连接在摊铺机上的, 其外侧要连接加 长熨平板 40的熨平板称为基本熨平板 10; 将基本熨平板 10外侧要连接的熨平板称为 加长熨平板 40。 以图 3为例, 当摊铺机两侧仅分别有一个熨平板时, 此时此熨平板称 为基本熨平板 10。在需要加长操作时, 将与之相连接的熨平板称为加长熨平板 40。而 当摊铺机两侧仅分别有两个熨平板、 并且需要加长操作时, 将要连接在摊铺机上的熨 平板称为加长熨平板 40, 而将要与其连接的此时已经连接在摊铺机上的最外侧的熨平 板称为基本熨平板 10。 根据本发明的一个实施例, 如图 4所示, 第一限位调节部包括限位螺母 314, 限 位螺母 314与支撑杆 335螺纹连接。 限位螺母 314设置在支撑杆 335的一端并与其螺纹连接。 在本实施例中, 第一限 位调节部还包括垫圈 313, 垫圈 313设置在限位螺母 314与基本熨平板 10之间。 通过 调整限位螺母 314和垫圈 313, 可调整垫圈 313与缸体 331的第一端的与加长熨平板 40的夹紧面之间的距离, 使之满足基本熨平板 10和加长熨平板 40之间连接所需的距 离的要求。在接通动力***后, 垫圈 313紧贴在基本熨平板 10上、缸体 331的第一端 紧贴在加长熨平板 40上, 完成对两个被连接件的紧密连接。 如图 3和图 4所示, 缸体 331的第一端与加长熨平板 40可拆卸地相连接。 缸体 331的第一端上设置至少两个连接用的螺纹孔 340, 通过此螺纹孔 340用连 接螺栓将夹紧机构的缸体 331连接在加长熨平板 40的加长端板 41上。 缸体 331安装 在加长熨平板 40的加长端板 41上后, 如图 5所示, 该加长端板 41与夹紧机构的垫圈 313之间的距离 L要略大于基本熨平板 10上被连接的基本端板 11的厚度, 加长熨平 板 40和基本熨平板 10之间的连接关系如图 3所示。 如图 6所示, 基本熨平板 10上设置有相互连通的装入孔 121和定位孔 122, 套设 在支撑杆 335的限位螺母 314和支撑杆 335处于第一位置时穿过装入孔 121, 限位螺 母 314和支撑杆 335处于第二位置时抵压在定位孔 122的边缘。优选地, 如图 3所示, 熨平装置还包括竖直调节部 20。
在本实施例中, 第一限位调节部还包括垫圈 313, 垫圈 313设置在限位螺母 314 与基本熨平板 10之间。装入孔 121的直径大于限位螺母 314和垫圈 313的直径, 因此 在第一位置时,限位螺母 314和垫圈 313可以沿支撑杆 335的轴向移动,从装入孔 121 中穿入或者穿出。限位螺母 314和垫圈 313处于第二位置时抵压在定位孔 122的边缘。 定位孔 122的直径至少小于垫圈 313, 因此在第二位置时, 限位螺母 314和垫圈 313 抵压在定位孔 122的周边。要延长熨平板的工作宽度时,将加长熨平板 40上夹紧机构 30的支撑杆 335***被连接的基本熨平板 10的端板 11上相对应的装入孔 121后, 放 入定位孔 122中, 然后调整调节竖直调节部 20,, 使相邻的两熨平板的底板 83在同一 个水平面上。 如图 3所示, 竖直调节部 20包括调节件 21和与调节件 21螺纹连接的抵压件 22, 抵压件 22的一端与加长熨平板 40相连接。在本实施例中, 调节件 21为调节螺栓, 其 与倒" L"字形的抵压件 22螺纹连接。调节件 21抵压在每个被连接的基本熨平板的外侧, 抵压件 22连接在加长熨平板 40上,在需要调节加长熨平板 40的位置时,仅需要拧动 调节件 21, 就能够带动抵压件 22沿竖直方向运动, 从而带动加长熨平板 40沿竖直方 向运动。 竖直调节部 20的设置, 使得操作者可以方便且准确地调整加长熨平板 40的 位置。 另外, 由于竖直调节部 20设置在熨平板的外侧, 因此调节起来比较容易。 如图 4所示, 弹簧组件 321夹设于活塞 333与缸体 331的第二端之间。 优选地, 活塞 333的第二端设置有弹簧组件导向槽, 弹簧组件 321可压缩地设置在弹簧组件导 向槽的底面与缸体 331的第二端之间。 活塞 333的第一端与支撑杆 335固定连接或者 可拆卸地相连接。 活塞 333上设置活塞 333内部凹入的弹簧组件导向槽, 弹簧组件 321设置在弹簧 组件导向槽的底面与缸体 331第二端的第二端盖 323之间。在夹紧机构的初始状态下, 弹簧组件 321处于压缩状态, 在弹簧组件 321的作用力下, 活塞 333的端面 A与缸体 331第一端的第一端盖 332的端面 B贴合在一起。 第一端盖 332为导向端盖, 其本身 沿支撑杆 335的轴向方向具有一定的长度, 并对穿过其的支撑杆 335的运动起到导向 作用, 以保证支撑杆 335运动的平稳性。 如图 4所示, 驱动***还包括压力源连接管 334, 压力源连接管 334的一端与压 力源相连通, 其另一端与缸体 331的内部相连通。 压力源连接管 334设置在缸体 331 的侧面, 并与缸体 331的内部相连通, 压力源连接管 334用于连接压力源。 优选地, 如图 4所示, 缸体 331的第一端设置有第一端盖 332, 第二端设置有第 二端盖 323,第一端盖 332的朝向缸体 331内部的一侧具有凸台, 凸台的朝向缸体 331
内部的端面沿支撑杆 335的轴向方向距第二端盖 323的朝向缸体 331内部的一侧的端 面的最大距离为 Hi, 压力源连接管 334上具有进油口, 进油口沿支撑杆 335的轴向方 向距第二端盖 323的朝向缸体 331内部的一侧的端面的最大距离为 ¾,其中, ¾> ¾。 在本实施例中,压力源连接管 334为油管接头,缸体 331与带凸台的第一端盖 332 以及油管接头固定连接成一体。在未向压力源连接管 334内通入液压油之前,活塞 333 处于初始位置,在弹簧组件 321的作用下,活塞 333的端面 A与凸台的端面 B相贴合。 本实施例中凸台及其与进油口之间的位置关系的设置, 确保了进油口与缸体 331的内 部空间的连通。 如图 7所示, 熨平装置还包括连接力驱动机构, 其包括蓄能器 61, 蓄能器 61的 第一端与压力源相连通,其第二端与压力源连接管 334相连通, 蓄能器 61用于在夹紧 机构 30处于夹紧状态时对缸体 331内的油压进行保压。连接力驱动机构还包括与压力 源和压力源连接管 334均相连通的溢流机构 63, 用于限定缸体 331的内部最大压力。 连接力驱动机构还包括与压力源连接管 334相连通的压力监测机构 64, 用于监测缸体 331的内部压力。 根据本发明的一个实施例, 溢流机构 63为溢流阀, 压力监测机构 64为压力继电 器或者压力传感器。 连接力驱动机构由蓄能器 61、 截止阀 62或其他类型可起阻断油 路作用的阀门、 溢流阀、 压力继电器或压力传感器等元件组成, 连接力驱动机构一端 用液压软管 65接上压力源, 另一端接出液压软管 65, 该液压软管 65的端头带有快速 接头 69。 该连接力驱动机构安装在摊铺机主机或基本熨平板 10上。 具体地, 在本实 施例中,快速接头 69通过油管分配阀块 68和液压油管 67直接连接压力源连接管 334。 蓄能器 61会对夹紧机构 30的缸体 331内的油压进行保压和补充各液压元件油液 的泄漏, 以保证夹紧机构的夹紧力。 当油液泄漏, 油缸内的油压减少到压力继电器或 压力传感器设定的阈值时, 连接力驱动机构打开控制开关, 及时给缸体 331 内充压。 充压的最大值由溢流阀设定。 夹紧机构的夹紧力的大小始终在压力继电器或压力传感 器设定的值和溢流阀设定的值之间, 保证了两个熨平板间有足够的夹紧力。 另外, 可 根据实际情况, 及时快速的调整压力继电器或压力传感器、 溢流阀的设定值, 获得不 同的夹紧机构的夹紧力, 可满足不同规格大小熨平板间的连接。 由上可知, 不同熨平 板连接所需的力可根据实际情况快速调节。 如图 7和图 8所示, 两个相互连接的熨平板之间通过多个夹紧机构相连接。 由于 多个夹紧机构分别通过液压油管 67与前述的连接力驱动机构相连接,因此连接端板上 各夹紧机构 30的夹紧力基本相同, 因此熨平板的整体刚性较好。
根据本发明的一个实施例, 要延长熨平板的工作宽度时,将加长熨平板 40上夹紧 机构 30的支撑杆 335***被连接的基本熨平板 10的基本端板 11上相对应的装入孔 121后, 放入定位孔 122中。然后调整调节件 21, 使相邻的两熨平板的底板 83处在同 一个水平面上。 用连接力驱动机构连接动力***, 连接力驱动***上带有快速接头 69 的液压软管 65接上加长熨平板上的压力源连接管 334。打开连接力驱动机构的控制开 关, 在液压力的驱动下, 支撑杆 335上的平垫圈 313 贴合在被连接的基本熨平板 10 的基本端板 11上, 最终夹紧相邻的两个熨平板。 拆卸加长熨平板 40时, 打开连接力驱动机构的控制开关, 使夹紧机构 30的缸体 331内的油液回油箱,松开连接力驱动机构与加长熨平板 40上连接的快速接头 69,此 时在活塞 333端部的弹簧组件 321的作用下, 支撑杆 335向外延伸。 使安装夹紧机构 30的加长熨平板 40的加长端板 41与平垫圈 313之间的距离 L略大于基本熨平板 10 要被连接的基本端板 11的厚度, 抬起加段熨平板 40, 使夹紧机构上的平垫圈 313从 被连接的基本熨平板 10的基本端板 11的装入孔 121中抽出。 从而实现加长熨平板 40 从整个摊铺机上拆卸下来。 本发明快速装卸熨平板, 能根据摊铺工作宽度的变化, 实现加长熨平板的快速装 配和拆卸, 并大大较轻了操作者的劳动强度, 省时省力。 并且不受夯锤、 振动器等机 构振动的影响,其夹紧力始终保持在预先设定的范围内。使熨平板有足够的整体刚性, 从而保证了路面的摊铺质量。 本发明还提供了一种摊铺机, 包括前述的熨平装置。 本发明的摊铺机根据摊铺路面所需的宽度, 能快速实现熨平板的装卸, 而且连接 端板各处的连接力基本相同, 提高了熨平板的整体刚性。 另外, 本发明的摊铺机可根 据实际情况快速调节其连接力的大小, 从而保证了熨平板之间的稳定连接, 保证了路 面的摊铺质量。 从以上的描述中, 可以看出, 本发明上述的实施例实现了如下技术效果: 1、 摊铺机的熨平板加长时不受夯锤前挡板的影响;
2、 不再需要人工拧紧紧固件, 操作者劳动强度小;
3、 装卸加长熨平板的速度较快;
4、 连接端板上各夹紧油缸的夹紧力基本相同, 致使熨平板的整体刚性较好;
5、 连接所需的力可根据实际情况快速调节。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领域的技 术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内, 所作的 任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。
Claims
权 利 要 求 书
1. 一种熨平装置, 包括基本熨平板(10)和与其相连接的加长熨平板(40), 其特 征在于, 还包括夹紧机构(30), 连接所述基本熨平板(10)和所述加长熨平板
(40), 所述夹紧机构 (30) 包括:
驱动***,包括缸体(331)、活塞(333)和支撑杆(335),所述支撑杆(335) 穿过所述基本熨平板 (10) 和所述加长熨平板 (40), 所述支撑杆 (335) 与所 述活塞(333)相连接, 所述缸体(331) 的第一端抵压在所述加长熨平板(40) 及所述基本熨平板 (10) 其中之一上;
动力***, 包括压力源, 所述压力源与所述缸体 (331) 相连通; 蓄能***, 包括弹簧组件(321), 所述弹簧组件(321) 的第一端抵压在所 述缸体 (331) 的第二端;
限位调节***, 与所述支撑杆(335)相连接, 所述限位调节***包括第一 限位调节部, 所述第一限位调节部和所述支撑杆(335)具有穿出所述基本熨平 板(10)的第一位置, 以及抵压在所述加长熨平板(40)及所述基本熨平板(10) 其中之另一上的第二位置;
当夹紧机构处于夹紧状态时, 所述缸体(331) 内充入油压; 当夹紧机构处 于松开状态时, 所述缸体 (331) 内释放油压。
2. 根据权利要求 1所述的熨平装置, 其特征在于, 所述第一限位调节部包括限位 螺母 (314), 所述限位螺母 (314) 与所述支撑杆 (335) 螺纹连接。
3. 根据权利要求 2所述的熨平装置, 其特征在于, 所述基本熨平板 (10) 上设置 有相互连通的装入孔 (121) 和定位孔 (122), 套设在所述支撑杆 (335) 上的 所述限位螺母 (314)和所述支撑杆 (335)处于第一位置时穿过所述装入孔(121), 所述限位螺母 (314) 和所述支撑杆 (335) 处于第二位置时抵压在所述定位孔
(122) 的边缘。
4. 根据权利要求 1所述的熨平装置, 其特征在于, 所述弹簧组件(321)夹设于所 述活塞 (333) 与所述缸体 (331) 的第二端之间。
5. 根据权利要求 1所述的熨平装置, 其特征在于, 所述活塞(333)开设弹簧组件 导向槽, 所述弹簧组件(321)可压缩地设置在所述弹簧组件导向槽的底面与所 述缸体 (331) 的第二端之间。
6. 根据权利要求 5所述的熨平装置, 其特征在于, 所述活塞(333)的第二端设置 有弹簧组件导向槽, 所述弹簧组件(321)可压缩地设置在所述弹簧组件导向槽 内。
7. 根据权利要求 1所述的熨平装置, 其特征在于, 还包括竖直调节部(20), 其包 括调节件(21)和与所述调节件(21)螺纹连接的抵压件(22),所述抵压件(22) 的一端与所述加长熨平板 (40) 相连接。
8. 根据权利要求 1所述的熨平装置, 其特征在于, 所述驱动***还包括压力源连 接管(334), 所述压力源连接管(334) 的一端与所述压力源相连通, 其另一端 与所述缸体 (331) 的内部相连通。
9. 根据权利要求 8所述的熨平装置, 其特征在于, 所述缸体(331)的第一端设置 有第一端盖(332), 第二端设置有第二端盖(323), 所述第一端盖(332) 的朝 向所述缸体 (331) 内部的一侧具有凸台, 所述凸台的朝向所述缸体 (331) 内 部的端面沿所述支撑杆 (335) 的轴向方向距所述第二端盖 (323) 的朝向所述 缸体(331) 内部的一侧的端面的最大距离为 H 所述压力源连接管 (334)上 具有进油口,所述进油口沿所述支撑杆( 335 )的轴向方向距所述第二端盖( 323 ) 的朝向所述缸体 (331) 内部的一侧的端面的最大距离为 ¾, 其中, ¾>¾。
10. 根据权利要求 8所述的熨平装置, 其特征在于, 还包括连接力驱动机构, 其包 括蓄能器(61), 所述蓄能器(61) 的第一端与所述压力源相连通, 其第二端与 所述压力源连接管(334)相连通, 所述蓄能器(61)用于在所述夹紧机构(30) 处于夹紧状态时对所述缸体 (331) 内的油压进行保压。
11. 根据权利要求 10所述的熨平装置,其特征在于,所述连接力驱动机构还包括与 所述压力源连接管(334)相连通的压力监测机构(64),用于监测所述缸体(331) 的内部压力。
12. 根据权利要求 10所述的熨平装置,其特征在于,所述连接力驱动机构还包括与 所述压力源和所述压力源连接管 (334) 均相连通的溢流机构 (63), 用于限定 所述缸体 (331) 的内部最大压力。
13. 根据权利要求 10所述的熨平装置,其特征在于,所述连接力驱动机构还包括与 所述压力源和所述压力源连接管 (334) 均相连通的截止阀 (62)。
14. 一种摊铺机, 其特征在于, 包括权利要求 1至 13中任一项所述的熨平装置。
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CN112144354A (zh) * | 2020-09-10 | 2020-12-29 | 深圳丰发一诺科技有限公司 | 一种效果好的混凝土自动整平装置 |
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CN1243182A (zh) * | 1998-07-24 | 2000-02-02 | Abg普通建筑机械公司 | 铺路机刮板 |
US6158921A (en) * | 1998-07-31 | 2000-12-12 | Blaw-Knox Construction Equipment Corporation | Screed extension with independently adjustable angle of attack |
CN1179095C (zh) * | 2000-07-28 | 2004-12-08 | Abg普通建筑机械公司 | 用于铺路机的铺路整平板 |
CN201372401Y (zh) * | 2009-01-19 | 2009-12-30 | 中国农业机械化科学研究院 | 一种拼接机构及具有该拼接机构的摊铺机熨平装置 |
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CN1243182A (zh) * | 1998-07-24 | 2000-02-02 | Abg普通建筑机械公司 | 铺路机刮板 |
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CN1179095C (zh) * | 2000-07-28 | 2004-12-08 | Abg普通建筑机械公司 | 用于铺路机的铺路整平板 |
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