WO2019037342A1 - 用于锯片冷却的通水冷却装置及路面切割机 - Google Patents

用于锯片冷却的通水冷却装置及路面切割机 Download PDF

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Publication number
WO2019037342A1
WO2019037342A1 PCT/CN2017/115876 CN2017115876W WO2019037342A1 WO 2019037342 A1 WO2019037342 A1 WO 2019037342A1 CN 2017115876 W CN2017115876 W CN 2017115876W WO 2019037342 A1 WO2019037342 A1 WO 2019037342A1
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WIPO (PCT)
Prior art keywords
saw blade
water
cooling device
sealing ring
hole
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PCT/CN2017/115876
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English (en)
French (fr)
Inventor
刘绍英
齐华斌
谢涛
潘家栋
喻定涛
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武汉万邦激光金刚石工具股份有限公司
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Application filed by 武汉万邦激光金刚石工具股份有限公司 filed Critical 武汉万邦激光金刚石工具股份有限公司
Priority to US16/640,339 priority Critical patent/US20200354903A1/en
Publication of WO2019037342A1 publication Critical patent/WO2019037342A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D59/00—Accessories specially designed for sawing machines or sawing devices
    • B23D59/02—Devices for lubricating or cooling circular saw blades
    • B23D59/025—Devices for lubricating or cooling circular saw blades the lubricating or cooling medium being applied through the mounting means of the tool, e.g. the tool spindle or hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D59/00—Accessories specially designed for sawing machines or sawing devices
    • B23D59/02—Devices for lubricating or cooling circular saw blades
    • 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
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G3/00—Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants

Definitions

  • the invention relates to the technical field of a saw blade cooling device, and in particular to a water-passing cooling device and a road surface cutting machine for blade cooling.
  • a saw blade is a tool for cutting solid materials, and the saw blade rubs against the object to be cut during the cutting operation.
  • the saw blade is generally cooled by direct watering.
  • pavement cutters on the market are usually fixed near the periphery of the saw blade by means of an external water pipe, and the saw blade is cooled by direct watering through a water pipe.
  • the cooling water is poured from the outside onto the saw blade. Due to the high-speed rotation of the saw blade, a large amount of cooling water is opened, which not only causes a large amount of cooling water, wastes water resources, but also makes the saw blade take longer to achieve the cooling effect. Thereby the saw blade is cooled inefficiently.
  • An object of the present invention is to provide a water-cooling device and a road surface cutting machine for blade cooling in order to overcome the deficiencies of the above background art.
  • the present invention can not only improve cooling efficiency but also save water resources.
  • the invention provides a water-cooling device for saw blade cooling, comprising a saw blade mounting shaft, a transmission shaft and a pulley.
  • the saw blade is mounted on the saw blade mounting shaft, and the pulley is sleeved on the transmission shaft, the pulley and the transmission shaft a bearing is disposed therebetween, the saw blade mounting shaft is fixed to one end of the pulley, the water cooling device further comprises a fastening bolt and a flange, the saw blade mounting shaft comprises a central shaft and a connecting seat;
  • a first through hole into which the water supply flows is disposed in the fastening bolt
  • a second through hole is disposed in the central shaft
  • the fastening bolt is connected to the central shaft through the transmission shaft, and the first through hole and the second through hole Hole connection
  • the flange is mounted on a central shaft, the saw blade is located between the flange and the connecting seat, the central shaft is provided with at least one water outlet hole, and the water outlet hole is located between the flange and the connecting seat, and the water is discharged
  • the hole communicates with the second through hole, and a passage communicating with the water outlet hole is left between the flange and the saw blade, and a passage communicating with the water outlet hole is left between the connection seat and the saw blade.
  • a side of the flange near the saw blade is provided with a first water storage groove, and a cavity for storing water is formed between the first water storage groove and the saw blade, the flange
  • the edge of the disc is evenly disposed with a plurality of first drainage grooves, and the first drainage groove is in communication with the first water storage groove;
  • a side of the saw blade mounting shaft adjacent to the saw blade is provided with a second water storage groove, and a cavity for storing water is formed between the second water storage groove and the saw blade, and the edge of the saw blade mounting shaft is uniformly disposed a plurality of second drainage channels, the second drainage channels being in communication with the second water storage grooves.
  • the sealing bolt assembly is disposed at the abutting portion of the fastening bolt and the central shaft.
  • the seal ring assembly includes a first seal ring, a second seal ring and a third seal ring, the first seal ring is a rubber seal ring, and the second seal ring is a ceramic seal ring
  • the third sealing ring is a rubber sealing ring, and the second sealing ring is located between the first sealing ring and the third sealing ring.
  • the transmission shaft is provided with a groove matching with the first sealing ring, and the first sealing ring is placed in the groove.
  • the central shaft is fitted with a spring, one side of the spring abuts against the connecting seat, and the other side of the spring abuts against the sealing ring assembly.
  • the fastening bolt is provided with a water jacket for an external water pipe, and the water jacket is in communication with the first through hole.
  • the flange is fixed on the central shaft by a nut, and the connecting seat is fixed on the pulley by a plurality of screws, and the saw blade is fixed on the connecting seat by the saw blade positioning pin.
  • the invention also provides a pavement cutting machine, comprising the above-mentioned water-passing cooling device, the saw blade is mounted on the water-passing cooling device, and the water-cooling cooling device is fixedly connected with the motor of the road surface cutting machine through the fixing plate, the fixed plate and the transmission shaft A fixed connection, the fastening bolt passes through the fixing plate.
  • the invention communicates with the central shaft of the mounting shaft of the saw blade through the fastening nut, and the cooling water enters between the flange and the connecting seat of the saw blade mounting shaft through the fastening nut, and the water is rotated along the inertia centrifugal force of the saw blade.
  • the passage of the water supply between the flange and the saw blade, the connecting seat and the saw blade is not only saves water resources, but also improves the cooling efficiency, thereby improving the cutting efficiency.
  • the invention has a water storage groove on the connecting seat of the flange and the saw blade mounting shaft, and a drainage groove is uniformly opened at the edge of the flange and the connecting seat, thereby ensuring uniform cooling of the saw blade and further improving Cooling efficiency.
  • the invention only needs to connect the water pipe to the fastening bolt, and the cooling water can directly enter the flange and the saw blade mounting shaft along the passage, and no additional manual operation is required, thereby improving work safety and saving Water resources, thereby reducing the transportation burden of operating cooling water.
  • the invention provides a hole with a hole and a groove for opening the water supply on the saw blade mounting shaft, and a groove for supplying water and flowing out on the flange plate, the structure is simple and the applicability is strong.
  • FIG. 1 is a schematic view showing the structure of a water-cooling device for blade cooling according to an embodiment of the present invention.
  • FIG. 2 is a schematic view showing the structure of a saw blade mounting shaft according to an embodiment of the present invention.
  • Figure 3 is a schematic view showing the structure of a flange of an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a road surface cutting machine according to an embodiment of the present invention.
  • an embodiment of the present invention provides a water cooling device for blade cooling, the water cooling device including a blade mounting shaft 12 , a transmission shaft 14 and a pulley 13 , and the saw blade 11 is mounted on the saw blade On the mounting shaft 12, the pulley 13 is sleeved on the transmission shaft 14, and a bearing 5 is disposed between the pulley 13 and the transmission shaft 14.
  • the blade mounting shaft 12 is fixed to one end of the pulley 13, and the water cooling device further includes a fastening bolt.
  • the blade mounting shaft 12 includes a central shaft 121 and a connecting seat 122; the fastening bolt 3 is provided with a first through hole 31 through which the water supply flows, and the central shaft 121 is provided with a second through hole 123, which is tight
  • the fixing bolt 3 abuts against the central shaft 121 through the transmission shaft 14 , and the first through hole 31 and the second through hole 123 communicate with each other.
  • the flange 10 is mounted on the central shaft 121.
  • the saw blade 11 is located between the flange 10 and the connecting seat 122.
  • the central shaft 121 is provided with at least one water outlet 124.
  • the water outlet 124 is located at the flange 10 and the connecting seat 122.
  • a passage communicating with the water outlet hole 124 is left between the flange 10 and the saw blade 11 for water supply and discharge.
  • a passage communicating with the water outlet hole 124 is left between the connecting seat 122 and the saw blade 11 for water supply and outflow.
  • the number of the water outlet holes 124 is two, and is coaxially disposed on the central shaft 121.
  • the aperture of the water outlet hole 124 ensures that the saw blade 11 is placed at the water outlet hole 124, and both sides of the saw blade 11 have cooling water. Flow out.
  • a plurality of water outlet holes 124 may be disposed on both sides of the saw blade 11, or a chamfer may be provided at the edge of the water outlet hole 124 to ensure that cooling water flows out on both sides of the saw blade 11.
  • a side of the saw blade mounting shaft 12 adjacent to the saw blade 11 is provided with a second water storage groove 125, and a cavity for storing water is formed between the second water storage groove 125 and the saw blade 11, the saw blade
  • the edge of the mounting shaft 12 is evenly disposed with a plurality of second drainage grooves 126, and the second drainage grooves 126 are in communication with the second water storage grooves 125.
  • a first water storage groove 101 is disposed on a side of the flange 10 near the saw blade 11, and a cavity for storing water is formed between the first water storage groove 101 and the saw blade 11, and the flange is formed.
  • the edge of 10 is evenly disposed with a plurality of first drainage grooves 102, and the first drainage grooves 102 communicate with the first water storage grooves 101.
  • the positions of the first water storage groove 101 and the second water storage groove 125 are opposite, the first drainage groove 102 and the second The positions of the drain grooves 126 are opposite.
  • the cooling water flows out of the water outlet hole 124, it enters the first water storage groove 101 and the second water storage groove 125, and then passes through the first drainage groove 102 and the second drainage groove under the action of the inertial centrifugal force of the rotation of the saw blade 11. 126 discharge.
  • the sealing ring assembly 7 is disposed at the abutment of the fastening bolt 3 and the central shaft 121.
  • the sealing ring assembly 7 includes a first sealing ring 71, a second sealing ring 72 and a third sealing ring 73.
  • the first sealing ring 71 is a rubber sealing ring
  • the second sealing ring 72 is a ceramic sealing ring
  • the third sealing ring 73 is a rubber sealing ring.
  • the seal ring, the second seal ring 72 is located between the first seal ring 71 and the third seal ring 73.
  • the second sealing ring 72 serves as a transition section of the fastening bolt 3 and the central shaft 121.
  • a sealing ring may be directly provided at the abutment of the fastening bolt 3 and the central shaft 121 to prevent water. overflow.
  • the drive shaft 14 is opened with the first dense
  • the sealing ring 71 cooperates with the groove, and the first sealing ring 71 is placed in the groove to ensure that the first sealing ring 71 is installed more firmly and is not loose.
  • the central shaft 121 is fitted with a spring 15, one side of which abuts against the connecting seat 122, and the other side of the spring 15 abuts against the sealing ring assembly 7, preventing the sealing ring assembly 7 from loosening. Therein, the spring 15 abuts against the third sealing ring 73.
  • the fastening bolt 3 is provided with a water jacket 2 for the external water pipe 1, and the water jacket 2 is in communication with the first through hole 31.
  • the flange 10 is fixed to the center shaft 121 by a nut 8, and the joint 122 is fixed to the pulley 13 by a plurality of screws 6.
  • the saw blade 11 is fixed to the joint 122 by a saw blade positioning pin 9 to prevent the saw blade 11 from slipping during the cutting operation.
  • the present invention further provides a road surface cutting machine comprising the above-mentioned water-cooling device, the saw blade 11 is mounted on the water-passing cooling device, and the water-cooling device is fixedly connected to the motor of the road surface cutting machine through the fixing plate 4.
  • the fixing plate 4 is fixedly connected to the transmission shaft 14 and the fastening bolt 3 passes through the fixing plate 4.
  • the saw blade 11 is fitted over the central shaft 121 of the blade mounting shaft 12, and the saw blade 11 is positioned by the blade positioning pin 9. Then, the flange 10 is fitted on the central shaft 121 of the blade mounting shaft 12, and then screwed to the center shaft 121 by the nut 8, and the saw blade 11 and the flange 10 are fixed.
  • the motor drives the pulley 13 to rotate by the belt, and simultaneously drives the saw blade 11 to rotate.
  • the cooling water enters the first through hole 31 of the fastening bolt 3 from the water pipe 1 through the water jacket 2, then flows into the second through hole 123 of the center shaft 121, and then flows out from the water outlet hole 124 to the first water storage groove 101. And the second water storage groove 125.
  • the cooling water is discharged from the first drain groove 102 and the second drain groove 126 by the inertial centrifugal force of the rotation of the saw blade 11, respectively, to effectively cool the saw blade.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Road Repair (AREA)

Abstract

一种用于锯片冷却的通水冷却装置及路面切割机，该通水冷却装置包括锯片安装轴（12）、传动轴（14）、皮带轮（13）、紧固螺栓（3）和法兰盘（10），锯片安装轴（12）包括中心轴（121）和连接座（122）；紧固螺栓（3）内设有供水流入的第一通孔（31），中心轴（121）内设有第二通孔（123），紧固螺栓（3）穿过传动轴（14）与中心轴（121）对接，第一通孔（31）和第二通孔（123）连通；法兰盘（10）安装在中心轴（121）上，锯片（11）位于法兰盘（10）和连接座（122）之间，中心轴（121）上设置有至少一个出水孔（124），出水孔（124）位于法兰盘（10）和连接座（122）之间，出水孔（124）与第二通孔（123）连通，法兰盘（10）和锯片（11）之间留有与出水孔（124）连通的通路，连接座（122）和锯片（11）之间留有与出水孔（124）连通的通路。路面切割机包括通水冷却装置。该通水冷却装置可提高冷却效率且节约水资源。

Description

用于锯片冷却的通水冷却装置及路面切割机 技术领域
本发明涉及锯片冷却装置的技术领域，具体是涉及一种用于锯片冷却的通水冷却装置及路面切割机。
背景技术
锯片是一种用于切割固体材料的刀具，锯片在切割作业时与切割对象摩擦发热。为了保证锯片的寿命、锋利度以及操作安全性，往往需要对工作的锯片进行冷却。目前，锯片一般采用直接浇水的方式进行冷却。例如，市面上的路面切割机通常使用外接水管固定在锯片外围附近，通过水管直接浇水进行锯片冷却。冷却水从外部浇在锯片上，由于锯片的高速转动使得大量冷却水被甩开，不仅造成冷却水用量大，浪费水资源，而且使得锯片需更长的时间才能达到冷却的效果，从而使得锯片冷却效率低。
发明内容
本发明的目的是为了克服上述背景技术的不足，提供一种用于锯片冷却的通水冷却装置及路面切割机。本发明能够不仅能够提高冷却效率，而且节约水资源。
本发明提供一种用于锯片冷却的通水冷却装置，包括锯片安装轴、传动轴和皮带轮，锯片安装在锯片安装轴上，皮带轮套设在传动轴上，皮带轮和传动轴之间设置有轴承，所述锯片安装轴固定在皮带轮的一端，所述通水冷却装置还包括紧固螺栓和法兰盘，所述锯片安装轴包括中心轴和连接座；
所述紧固螺栓内设有供水流入的第一通孔，所述中心轴内设有第二通孔，所述紧固螺栓穿过传动轴与中心轴对接，第一通孔和第二通孔连通；
所述法兰盘安装在中心轴上，所述锯片位于法兰盘和连接座之间，所述中心轴上设置有至少一个出水孔，出水孔位于法兰盘和连接座之间，出水孔与第二通孔连通，所述法兰盘和锯片之间留有与出水孔连通的通路，所述连接座和锯片之间留有与出水孔连通的通路。
在上述技术方案的基础上，所述法兰盘靠近锯片的一侧设置有第一储水凹槽，第一储水凹槽和锯片之间形成储存水的腔体，所述法兰盘的边缘均匀设置有多个第一排水槽，第一排水槽与第一储水凹槽连通；
所述锯片安装轴靠近锯片的一侧设置有第二储水凹槽，第二储水凹槽和锯片之间形成储存水的腔体，所述锯片安装轴的边缘均匀设置有多个第二排水槽，第二排水槽与第二储水凹槽连通。
在上述技术方案的基础上，所述法兰盘和连接座安装在锯片两侧时，所述第一储水凹槽和第二储水凹槽的位置相对，所述第一排水槽和第二排水槽的位置相对。
在上述技术方案的基础上，所述紧固螺栓与中心轴的对接处设置有密封圈组件。
在上述技术方案的基础上，所述密封圈组件包括第一密封圈、第二密封圈和第三密封圈，所述第一密封圈为橡胶密封圈，所述第二密封圈为陶瓷密封圈，所述第三密封圈为橡胶密封圈，所述第二密封圈位于第一密封圈和第三密封圈之间。
在上述技术方案的基础上，所述传动轴上开有与第一密封圈相配合的凹槽，所述第一密封圈放置在所述凹槽内。
在上述技术方案的基础上，所述中心轴上套装有弹簧，所述弹簧的一侧抵靠在连接座上，所述弹簧的另一侧抵靠在密封圈组件上。
在上述技术方案的基础上，所述紧固螺栓上设置有用于外接水管的水套，所述水套与第一通孔连通。
在上述技术方案的基础上，所述法兰盘通过螺母固定在中心轴上，所述连接座通过多个螺钉固定在皮带轮上，所述锯片通过锯片定位销固定在连接座上。
本发明还提供一种路面切割机，包括上述通水冷却装置，锯片安装在通水冷却装置上，通水冷却装置通过固定板与路面切割机的电动机固定连接，所述固定板与传动轴固定连接，所述紧固螺栓穿过固定板。
与现有技术相比，本发明的优点如下：
1、本发明通过紧固螺母和锯片安装轴的中心轴连通，冷却水经紧固螺母进入法兰盘和锯片安装轴的连接座之间，通过锯片转动的惯性离心力，将水沿法兰盘与锯片、连接座与锯片之间的供水流出的通路甩出，不仅节约水资源，而且提高了冷却效率，进而提高切割效率。
2、本发明在法兰盘和锯片安装轴的连接座上均开有储水凹槽，在法兰盘和连接座的边缘均匀开有排水槽，可以保证锯片的均匀冷却，进一步提高了冷却效率。
3、本发明只需要将水管接到紧固螺栓上，冷却水即可以沿通路直接进入法兰盘和锯片安装轴之间，不需要额外的人工操作，提高了作业安全性，同时因为节约水资源，进而减轻作业冷却水的运输负担。
4、本发明通过设置带孔的紧固螺栓，在锯片安装轴上开供水流出的孔和槽，在法兰盘上开供水流出的槽，结构简单，适用性强。
附图说明
图1是本发明实施例用于锯片冷却的通水冷却装置的结构示意图。
图2是本发明实施例锯片安装轴的结构示意图。
图3是本发明实施例法兰盘的结构示意图。
图4是本发明实施例路面切割机的结构示意图。
附图标记：1-水管，2-水套，3-紧固螺栓，31-第一通孔，4-固定板，5-轴承，6-螺钉，7-密封圈组件，71-第一密封圈，72-第二密封圈，73-第三密封圈，8-螺母，9-锯片定位销，10-法兰盘，101-第一储水凹槽，102-第一排水槽，11-锯片，12-锯片安装轴，121-中心轴、122-连接座、123-第二通孔，124-出水孔，125-第二储水凹槽，126-第二排水槽、13-皮带轮，14-传动轴，15-弹簧。
具体实施方式
下面结合附图及具体实施例对本发明作进一步的详细描述。
参见图1所示，本发明实施例提供一种用于锯片冷却的通水冷却装置，该通水冷却装置包括锯片安装轴12、传动轴14和皮带轮13，锯片11安装在锯片安装轴12上，皮带轮13套设在传动轴14上，皮带轮13和传动轴14之间设置有轴承5，锯片安装轴12固定在皮带轮13的一端，该通水冷却装置还包括紧固螺栓3和法兰盘10，锯片安装轴12包括中心轴121和连接座122；紧固螺栓3内设有供水流入的第一通孔31，中心轴121内设有第二通孔123，紧固螺栓3穿过传动轴14与中心轴121对接，且第一通孔31和第二通孔123连通。法兰盘10安装在中心轴121上，锯片11位于法兰盘10和连接座122之间，中心轴121上设置有至少一个出水孔124，出水孔124位于法兰盘10和连接座122之间，出水孔124与第二通孔123连通，法兰盘10和锯片11之间留有与出水孔124连通的通路，用于供水流出。 连接座122和锯片11之间留有与出水孔124连通的通路，用于供水流出。在实际应用中，出水孔124的数量为两个，在中心轴121上同轴设置，出水孔124的孔径保证锯片11放置在出水孔124处时，锯片11的两侧均有冷却水流出。同时，也可以设置多个出水孔124分布在锯片11的两侧，或者在出水孔124的边缘设置倒角的方式保证锯片11的两侧均有冷却水流出。
参见图2所示，锯片安装轴12靠近锯片11的一侧设置有第二储水凹槽125，第二储水凹槽125和锯片11之间形成储存水的腔体，锯片安装轴12的边缘均匀设置有多个第二排水槽126，第二排水槽126与第二储水凹槽125连通。参见图3所示，法兰盘10靠近锯片11的一侧设置有第一储水凹槽101，第一储水凹槽101和锯片11之间形成储存水的腔体，法兰盘10的边缘均匀设置有多个第一排水槽102，第一排水槽102与第一储水凹槽101连通。
在本实施例中，法兰盘10和连接座122安装在锯片11两侧时，第一储水凹槽101和第二储水凹槽125的位置相对，第一排水槽102和第二排水槽126的位置相对。冷却水从出水孔124流出后，进入第一储水凹槽101和第二储水凹槽125，然后在锯片11转动的惯性离心力的作用下，通过第一排水槽102和第二排水槽126排出。
其中，紧固螺栓3与中心轴121的对接处设置密封圈组件7。密封圈组件7包括第一密封圈71、第二密封圈72和第三密封圈73，第一密封圈71为橡胶密封圈，第二密封圈72为陶瓷密封圈，第三密封圈73为橡胶密封圈，第二密封圈72位于第一密封圈71和第三密封圈73之间。在本实施例中，第二密封圈72作为紧固螺栓3和中心轴121对接的过渡段，实际应用中，也可以直接在紧固螺栓3与中心轴121的对接处设置密封圈，防止水溢出。传动轴14上开有与第一密 封圈71相配合的凹槽，第一密封圈71放置在凹槽内，保证第一密封圈71的安装更牢固，不易松动。中心轴121上套装有弹簧15，弹簧15的一侧抵靠在连接座122上，弹簧15的另一侧抵靠在密封圈组件7上，防止密封圈组件7松动。其中，弹簧15抵靠在第三密封圈73上。紧固螺栓3上设置有用于外接水管1的水套2，水套2与第一通孔31连通。法兰盘10通过螺母8固定在中心轴121上，连接座122通过多个螺钉6固定在皮带轮13上。锯片11通过锯片定位销9固定在连接座122上，防止切割作业中锯片11打滑。
参见图4所示，本发明还提供一种路面切割机，包括上述通水冷却装置，锯片11安装在通水冷却装置上，通水冷却装置通过固定板4与路面切割机的电动机固定连接，固定板4与传动轴14固定连接，紧固螺栓3穿过固定板4。
实际使用时，将锯片11套装在锯片安装轴12的中心轴121上，通过锯片定位销9对锯片11进行定位。然后，将法兰盘10套装在锯片安装轴12的中心轴121上，再通过螺母8与中心轴121螺纹连接，对锯片11和法兰盘10进行固定。在路面切割机作业中，电动机通过皮带带动皮带轮13转动，同时带动锯片11转动。冷却水从水管1通过水套2进入到紧固螺栓3的第一通孔31内，然后流入中心轴121的第二通孔123内，再从出水孔124流出到第一储水凹槽101和第二储水凹槽125中。通过锯片11转动的惯性离心力，将冷却水分别从第一排水槽102和第二排水槽126排出，有效冷却锯片。
本领域的技术人员可以对本发明实施例进行各种修改和变型，倘若这些修改和变型在本发明权利要求及其等同技术的范围之内，则这些修改和变型也在本发明的保护范围之内。
说明书中未详细描述的内容为本领域技术人员公知的现有技术。

Claims (10)

  1. 一种用于锯片冷却的通水冷却装置，包括锯片安装轴(12)、传动轴(14)和皮带轮(13)，锯片(11)安装在锯片安装轴(12)上，皮带轮(13)套设在传动轴(14)上，皮带轮(13)和传动轴(14)之间设置有轴承(5)，所述锯片安装轴(12)固定在皮带轮(13)的一端，其特征在于：所述通水冷却装置还包括紧固螺栓(3)和法兰盘(10)，所述锯片安装轴(12)包括中心轴(121)和连接座(122)；
    所述紧固螺栓(3)内设有供水流入的第一通孔(31)，所述中心轴(121)内设有第二通孔(123)，所述紧固螺栓(3)穿过传动轴(14)与中心轴(121)对接，第一通孔(31)和第二通孔(123)连通；
    所述法兰盘(10)安装在中心轴(121)上，所述锯片(11)位于法兰盘(10)和连接座(122)之间，所述中心轴(121)上设置有至少一个出水孔(124)，出水孔(124)位于法兰盘(10)和连接座(122)之间，出水孔(124)与第二通孔(123)连通，所述法兰盘(10)和锯片(11)之间留有与出水孔(124)连通的通路，所述连接座(122)和锯片(11)之间留有与出水孔(124)连通的通路。
  2. 如权利要求1所述的用于锯片冷却的通水冷却装置，其特征在于：所述法兰盘(10)靠近锯片(11)的一侧设置有第一储水凹槽(101)，第一储水凹槽(101)和锯片(11)之间形成储存水的腔体，所述法兰盘(10)的边缘均匀设置有多个第一排水槽(102)，第一排水槽(102)与第一储水凹槽(101)连通；
    所述锯片安装轴(12)靠近锯片(11)的一侧设置有第二储水凹槽(125)，第二储水凹槽(125)和锯片(11)之间形成储存水的腔体，所述锯片安装轴(12)的边缘均匀设置有多个第二排水槽(126)，第二排水槽(126)与第二储水凹槽(125)连通。
  3. 如权利要求2所述的用于锯片冷却的通水冷却装置，其特征在于：所述法兰盘(10)和连接座(122)安装在锯片(11)两侧时，所述第一储水凹槽(101)和第二储水凹槽(125)的位置相对，所述第一排水槽(102)和第二排水槽(126)的位置相对。
  4. 如权利要求1所述的用于锯片冷却的通水冷却装置，其特征在于：所述紧固螺栓(3)与中心轴(121)的对接处设置有密封圈组件(7)。
  5. 如权利要求4所述的用于锯片冷却的通水冷却装置，其特征在于：所述密封圈组件(7)包括第一密封圈(71)、第二密封圈(72)和第三密封圈(73)，所述第一密封圈(71)为橡胶密封圈，所述第二密封圈(72)为陶瓷密封圈，所述第三密封圈(73)为橡胶密封圈，所述第二密封圈(72)位于第一密封圈(71)和第三密封圈(73)之间。
  6. 如权利要求5所述的用于锯片冷却的通水冷却装置，其特征在于：所述传动轴(14)上开有与第一密封圈(71)相配合的凹槽，所述第一密封圈(71)放置在所述凹槽内。
  7. 如权利要求4所述的用于锯片冷却的通水冷却装置，其特征在于：所述中心轴(121)上套装有弹簧(15)，所述弹簧(15)的一侧抵靠在连接座(122)上，所述弹簧(15)的另一侧抵靠在密封圈组件(7)上。
  8. 如权利要求1-7中任一项所述的用于锯片冷却的通水冷却装置，其特征在于：所述紧固螺栓(3)上设置有用于外接水管(1)的水套(2)，所述水套(2)与第一通孔(31)连通。
  9. 如权利要求1-7中任一项所述的用于锯片冷却的通水冷却装置，其特征在于：所述法兰盘(10)通过螺母(8)固定在中心轴(121) 上，所述连接座(122)通过多个螺钉(6)固定在皮带轮(13)上，所述锯片(11)通过锯片定位销(9)固定在连接座(122)上。
  10. 一种路面切割机，其特征在于：包括权利要求1-9中任一项所述的通水冷却装置，锯片(11)安装在通水冷却装置上，通水冷却装置通过固定板(4)与路面切割机的电动机固定连接，所述固定板(4)与传动轴(14)固定连接，所述紧固螺栓(3)穿过固定板(4)。
PCT/CN2017/115876 2017-08-23 2017-12-13 用于锯片冷却的通水冷却装置及路面切割机 WO2019037342A1 (zh)

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