WO2012083656A1 - 一种检测装置及混凝土泵送设备 - Google Patents

一种检测装置及混凝土泵送设备 Download PDF

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Publication number
WO2012083656A1
WO2012083656A1 PCT/CN2011/076098 CN2011076098W WO2012083656A1 WO 2012083656 A1 WO2012083656 A1 WO 2012083656A1 CN 2011076098 W CN2011076098 W CN 2011076098W WO 2012083656 A1 WO2012083656 A1 WO 2012083656A1
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WIPO (PCT)
Prior art keywords
container
medium
capacity
detecting
detecting device
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PCT/CN2011/076098
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English (en)
French (fr)
Inventor
邓侃
周继辉
周翔
Original Assignee
湖南三一智能控制设备有限公司
三一重工股份有限公司
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Application filed by 湖南三一智能控制设备有限公司, 三一重工股份有限公司 filed Critical 湖南三一智能控制设备有限公司
Priority to US13/994,530 priority Critical patent/US20140314585A1/en
Priority to EP11850020.6A priority patent/EP2657662A4/en
Publication of WO2012083656A1 publication Critical patent/WO2012083656A1/zh

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F22/00Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
    • F04B15/023Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous supply of fluid to the pump by gravity through a hopper, e.g. without intake valve
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F17/00Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G01F23/16Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
    • G01F23/162Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid by a liquid column

Definitions

  • the invention relates to the technical field of concrete pumping equipment, and in particular to a detecting device for detecting the material capacity in a material container.
  • the invention also relates to a concrete pumping apparatus having the above-described detecting device.
  • Concrete pumping equipment is a kind of power equipment for conveying concrete.
  • Common concrete pumping equipment includes concrete pump truck, tow pump, vehicle pump, wet spray machine and so on.
  • concrete construction usually involves two processes of concrete transportation and concrete pumping.
  • Concrete transportation mixers are usually used to transport concrete from the concrete mixing station to the construction site.
  • Concrete pump trucks are installed at the construction site. Concrete transportation mixer trucks will pour concrete into the concrete. In the hopper of the concrete pump truck, the concrete pump truck then pumps the concrete in the hopper to the construction site to realize the transportation and pumping of the concrete.
  • a first object of the present invention is to provide a test for detecting the volume of material in a material container
  • the device detects the volume of material in the material container in real time so as to be able to control the discharge speed.
  • a second object of the present invention is to provide a concrete pumping apparatus including the above-described detecting device.
  • the present invention provides a detecting device for detecting the material capacity in a material container, comprising:
  • a capacity detecting sensor for detecting the capacity of the medium entering the medium container; the soft container is disposed in the material container, and the soft container is immersed in the material of the material container, under the extrusion of the material
  • the medium in the flexible container enters the medium container, and the capacity detecting sensor detects the capacity of the medium entering the medium container; and calculates a position according to a preset relationship between the medium capacity and the material capacity in the material container The material capacity.
  • the bottom of the flexible container is fixed to the bottom of the material container, and the side of the flexible container abuts against the side wall of the material container.
  • the medium container is a medium tank
  • the volume detecting sensor is a level sensor for detecting a liquid level of the medium in the medium box
  • the level sensor is located in the medium box.
  • the medium container is a piston cylinder
  • the rodless cavity of the piston cylinder is in communication with the soft container.
  • the volume detecting sensor is a displacement sensor for detecting a displacement amount of a piston of the piston cylinder.
  • the volume detecting sensor is a rope sensor for detecting a displacement amount of a piston of the piston cylinder.
  • the medium is a liquid, a slurry or a jelly.
  • the invention provides a detecting device for detecting the material capacity in a material container, comprising a soft container, a medium container and a capacity detecting sensor; the soft container is filled with a medium, the soft container is disposed in the material container, and the soft container is The bottom surface of the medium may be flush with the bottom surface of the material in the material container.
  • the medium in the flexible container filled with the medium will be extruded and enter the medium container, and the capacity detecting sensor detects the capacity of the medium entering the medium container according to the medium capacity entering the medium container.
  • the material capacity can be calculated from the preset relationship between the material capacity in the material container.
  • the detecting device for detecting the material capacity in the material container can detect the material capacity in the material container in real time, and can control the discharging speed according to the material capacity, so that the amount of material entering the material container is not too much, and will not Excess material overflows from the material container to avoid waste of materials; it can also make the amount of material entering the material container not too small, and there will be no suction of the pumping equipment.
  • the detecting device of the structure has a soft container set in the material capacity, and the material can be calculated by detecting the extrusion amount of the medium in the soft container and according to the preset relationship between the amount of the medium extrusion and the material in the material container.
  • the capacity of the material in the container, the capacity detecting sensor for detecting the capacity of the medium is not in contact with the material, and the influence of the material on the capacity detecting sensor can be reduced, and the life of the capacity detecting sensor is long; the structure of the detecting device is single, and the detecting method is single. low cost.
  • the present invention also provides a concrete pumping apparatus comprising the above-mentioned detecting device for detecting the volume of a material in a material container, the material container being a concrete pumping device hopper. Since the above-described detecting device has the above-described technical effects, the concrete pumping device having the detecting device should also have a corresponding technical effect.
  • the concrete pumping device is a concrete pump truck or a tow pump.
  • FIG. 1 is a schematic structural view of a specific embodiment of a detecting device provided by the present invention
  • FIG. 2 is a schematic view showing the working principle of the detecting device shown in FIG.
  • FIG. 3 is a schematic structural view of another specific embodiment of the detecting device provided by the present invention.
  • Material container 1 material 11, soft container 2, medium 21, medium container 3, level sensor 4, connecting tube 5, piston cylinder 6, piston rod 61, mass 62. detailed description
  • FIG. 1 is a schematic structural view of a specific embodiment of a detecting device according to the present invention.
  • the detecting device for detecting the material capacity in the material container comprises a flexible container 2, a medium container 3 and a capacity detecting sensor.
  • the flexible container 2 is filled with a medium 21, which may be a flowing or semi-flowing substance such as a liquid, a slurry, a jelly, etc.; the flexible container 2 is disposed in the material container 1, and the bottom surface of the flexible container 2 It can be flush with the bottom surface of the material 11 in the material container 1.
  • a medium 21 which may be a flowing or semi-flowing substance such as a liquid, a slurry, a jelly, etc.
  • the medium container 3 has a certain volume, the medium container 3 is in communication with the flexible container 2, the medium 21 extruded in the flexible container 2 will enter the medium container 3, and the capacity detecting sensor is used to detect the medium 21 entering the medium container 3. Capacity.
  • the medium in the flexible container 2 filled with the medium will be extruded and enter the medium container 3, and the capacity detecting sensor detects the capacity of the medium entering the medium container 3, according to the entering the medium container
  • the preset relationship between the medium capacity in 3 and the material capacity in the material container 1 can calculate the material capacity.
  • the detecting device for detecting the material capacity in the material container can detect the material capacity in the material container 1 in real time, and can control the discharging speed according to the material capacity, so that the amount of material entering the material container 1 is not excessive. There will be no excess material overflowing from the material container 1 to avoid waste of materials; the amount of material entering the material container 1 will not be too small, and the suction of the pumping equipment will not occur.
  • the detecting device of the structure is provided with a soft container 2 in the material capacity, and can be calculated by detecting the extrusion amount of the medium in the soft container 2, according to the preset relationship between the amount of the medium extrusion and the material in the material container 1.
  • the material capacity in the material container 1 is obtained, and the capacity detecting sensor for detecting the medium capacity is not in contact with the material, which can reduce the influence of the material on the capacity detecting sensor, and the capacity detecting sensor has a long service life;
  • the method is simple and low in cost.
  • the flexible container 2 may be in the shape of a bag, the bottom of the flexible container 2 is fixed to the bottom of the material container 1, and the side of the flexible container 2 abuts against the side wall of the material container 1, and the material is softened.
  • the flexible container 2 abuts against the side wall of the material container 1 so that the medium is extruded from the flexible container 2, and this structure places the flexible container 2 in a position close to the side wall in the material container 1.
  • the presence of the flexible container 2 does not affect the stirring, pumping and the like of the materials in the material container 1.
  • the medium container 3 may be a medium box, the medium box is in the shape of a box, the medium box may be disposed above the material container 1, and the medium box may pass through the connecting tube 5 and the soft box.
  • the container 2 is connected;
  • the volume detecting sensor can be a level sensor 4, and the level sensor 4 is used for detecting the height of the liquid level in the medium tank, and the level sensor 4 can be disposed in the medium box.
  • the working principle of the detection device of this structure is as follows:
  • the bottom area of the material container 1 is S
  • the height of the material is H
  • the cross-sectional area of the flexible container 2 is A
  • the bottom area of the medium tank is B
  • the height of the medium in the medium tank is h.
  • the material height is proportional to the height of the medium in the medium tank
  • the material The volume is proportional to the height of the medium in the medium tank, and the height of the material in the material container 1 and the volume of the material can be obtained as long as the medium height h is measured.
  • the medium height h measured by the level sensor 4 provided in the medium tank can obtain the volume of the material in the material container 1 by the above relationship.
  • the level sensor 4 may be a water level sensor or the like, and any detecting device that can measure the height of the medium in the medium box can be used as the level sensor 4 in the present invention.
  • the material 11 in the material container 1 can be concrete, cement, semi-flowing slurry and liquid with a large specific gravity.
  • the medium container 3 is in the form of a medium box, and the volume of the material in the material container 1 is obtained by the height of the medium in the medium box.
  • the detecting device for detecting the volume of the material in the material container provided by the present invention is not limited to
  • the medium container 3 can also take the form of a piston cylinder, which is described in the following examples.
  • FIG. 3 is a schematic structural diagram of another specific embodiment of the detecting device provided by the present invention.
  • the detecting device includes a flexible container 2, a piston cylinder 6 and a capacity detecting sensor.
  • the rodless cavity of the piston cylinder 6 communicates with the flexible container 2 through the connecting pipe 5, and is in the material container 1. Under the extrusion of the material, the medium in the flexible container 2 filled with the medium will be extruded and enter the piston cylinder 6, the medium will push the piston to displacement, and the volume of the medium entering the rodless chamber is equal to the section of the rodless cavity. The product of the area and the displacement of the piston.
  • the displacement of the piston is proportional to the height of the material in the material container 1, and the displacement of the piston is also proportional to the volume of the material in the material container 1. Therefore, the height and volume of the material in the material container 1 can be obtained as long as the displacement amount of the piston is detected.
  • the volume detecting sensor may be a displacement sensor, and the displacement sensor is used to detect the displacement amount of the piston.
  • the displacement sensor may be disposed on the piston rod 61 of the piston cylinder 6, in a more specific scheme. The sensor can be placed on the mass 62 at the end of the piston rod 61.
  • the volume detecting sensor may further adopt a pull cord sensor to accurately detect the displacement of the piston.
  • the present invention also provides a concrete pumping apparatus comprising the above-described detecting device for detecting the volume of a material in a material container, the material container being a hopper for concrete pumping equipment. Since the above-described detecting device has the above-described technical effects, the concrete pumping device having the detecting device should also have corresponding technical effects, and will not be described in detail herein.
  • Concrete pumping equipment can be concrete pump trucks, concrete pump pumps, and the like.
  • the above description is only a description of a preferred embodiment of the invention, it should be noted that due to textual expression The finite nature, and the infinitely specific structure exists, and those skilled in the art can make some improvements and retouching without departing from the principle of the invention. These improvements and retouching should also be It is considered as the scope of protection of the present invention.

Description

一种检测装置及混凝土泵送设备 本申请要求于 2010 年 12 月 21 日提交中国专利局、 申请号为 201010598509.2、 发明名称为"一种检测装置及混凝土泵送设备"的中国专 利申请的优先权, 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及混凝土泵送设备技术领域, 尤其涉及一种用于检测物料容 器内物料容量的检测装置。 本发明还涉及一种具有上述检测装置的混凝土 泵送设备。
背景技术
混凝土泵送设备是一种输送混凝土的动力设备, 常见的混凝土泵送设 备包括混凝土泵车、 拖泵、 车载泵、 湿喷机等。
目前, 混凝土施工通常包括混凝土运输和混凝土泵送两个过程, 通常 采用混凝土运输搅拌车将混凝土从混凝土搅拌站运送到施工现场, 施工现 场设有混凝土泵车, 混凝土运输搅拌车将将混凝土倾倒入混凝土泵车的料 斗中, 混凝土泵车再将料斗中的混凝土泵送至施工地点, 从而实现混凝土 的运输和泵送。
混凝土运输搅拌车在向混凝土泵车的料斗中倾倒混凝土时, 存在以下 问题: 由于料斗的容积是固定的, 若放料速度太快, 则使得料斗内的混凝 土的量太多, 所倾倒的混凝土将从料斗中溢出, 造成混凝土的浪费; 若放 料速度太慢, 则使得料斗内的混凝土的量太少, 混凝土泵车的泵送系统可 能会出现吸空现象, 影响混凝土泵送效率, 同时也容易引起臂架的大幅振 荡。
因此, 为了解决上述技术问题, 需要根据料斗内的混凝土的容量控制 放料速度。 为了能够有效地控制放料速度, 需要实时混凝土泵车的料斗内 的混凝土的容量。
因此, 如何实时检测混凝土泵车的料斗内的混凝土的容量, 成为本领 域技术人员亟待解决的技术难题。
发明内容
本发明的第一个目的是提供一种用于检测物料容器内物料容量的检测 装置, 该检测装置可实时检测物料容器内物料的容积, 以便能够控制放料 速度。 本发明的第二个目的是提供一种包括上述检测装置的混凝土泵送设 备。
为了实现上述第一个目的, 本发明提供了一种用于检测物料容器内物 料容量的检测装置, 包括:
充满介质的软性容器;
与所述软性容器连通的介质容器;
用于检测进入所述介质容器内的介质容量的容量检测传感器; 所述软性容器设于所述物料容器内, 且该软性容器浸入所述物料容器 的物料内, 在物料的挤压下, 软性容器内的介质进入介质容器内, 所述容 量检测传感器检测进入介质容器内的介质容量; 根据所述介质容量与所述 物料容器内的物料容量之间的预设关系, 计算出所述物料容量。
优选的, 所述软性容器的底部与所述物料容器的底部固定, 该软性容 器的侧面抵靠所述物料容器的侧壁。
优选的, 所述介质容器为介质箱, 所述容积检测传感器为用于检测所 述介质箱内介质液面高度的料位传感器, 所述料位传感器位于所述介质箱 内。
优选的, 所述介质容器为活塞缸, 所述活塞缸的无杆腔与所述软性容 器连通。
优选的, 所述容积检测传感器为用于检测所述活塞缸的活塞位移量的 位移传感器。
优选的, 所述容积检测传感器为用于检测所述活塞缸的活塞位移量的 拉绳传感器。
优选的, 所述介质为液体、 浆料或胶状物。
本发明提供的用于检测物料容器内物料容量的检测装置, 包括软性容 器、 介质容器及容量检测传感器; 所述软性容器内充满介质, 软性容器设 于物料容器内, 软性容器的介质底面可与物料容器内的物料的底面平齐, 在向物料容器放料时, 软性容器浸入物料内, 在物料的挤压下软性容器将 发生变形, 软性容器内的介质将被挤出; 介质容器与软性容器连通, 容量 检测传感器用于检测进入介质容器内的介质容量。
在物料容器内的物料的挤压下, 充满介质的软性容器内的介质将被挤 出并进入介质容器内, 容量检测传感器检测进入介质容器内的介质容量, 根据进入介质容器内的介质容量与物料容器内的物料容量之间的预设关 系, 可以计算出物料容量。
这种用于检测物料容器内物料容量的检测装置可实时检测物料容器内 的物料容量, 可根据该物料容量控制放料速度, 可使得进入物料容器内的 物料的量不会太多, 不会有多余的物料从物料容器内溢出, 避免物料的浪 费; 也可使得进入物料容器内的物料的量不会太少, 不会出现泵送设备吸 空现象。
这种结构的检测装置, 在物料容量内设置一个软性容器, 通过检测软 性容器内介质的挤出量、 根据介质挤出量与物料容器内物料的预设关系, 便可计算得出物料容器内的物料容量, 检测介质容量的容量检测传感器与 物料不接触, 可减小物料对容量检测传感器的影响, 容量检测传感器使用 寿命较长; 这种检测装置结构筒单, 检测方法筒单, 成本低廉。
为了实现上述第二个目的, 本发明还提供了一种混凝土泵送设备, 该 混凝土泵送设备包括上述的用于检测物料容器内物料容积的检测装置, 所 述物料容器为混凝土泵送设备的料斗。 由于上述的检测装置具备上述技术 效果, 具有该检测装置的混凝土泵送设备也应具备相应的技术效果。
优选的, 所述混凝土泵送设备为混凝土泵车或拖泵。
附图说明
图 1为本发明所提供的检测装置的一种具体实施方式的结构示意图; 图 2为图 1所示检测装置的工作原理示意图;
图 3 为本发明所提供的检测装置的另一种具体实施方式的结构示意 图;
其中, 图 1-图 3中:
物料容器 1、 物料 11、 软性容器 2、 介质 21、 介质容器 3、 料位传感 器 4、 连接管 5、 活塞缸 6、 活塞杆 61、 质量块 62。 具体实施方式
为了使本领域的技术人员更好的理解本发明的技术方案, 下面结合附 图和具体实施方式对本发明作进一步的详细说明。
请参看图 1 , 图 1为本发明所提供的检测装置的一种具体实施方式的 结构示意图。
如图 1所示,本发明提供的用于检测物料容器内物料容量的检测装置, 包括软性容器 2、 介质容器 3及容量检测传感器。
软性容器 2内充满介质 21 , 介质 21可以为流动的或半流动的物质, 比如液体、 浆料、 胶状物等; 软性容器 2设于物料容器 1 内, 软性容器 2 的介质底面可与物料容器 1内的物料 11的底面平齐,在向物料容器 1内放 料时, 软性容器 2浸入物料内, 在物料的挤压下, 软性容器 2将会发生变 形, 软性容器 2内的介质将会被挤出。
介质容器 3具有一定的容积, 介质容器 3与软性容器 2连通, 软性容 器 2内被挤出的介质 21将进入介质容器 3内,容量检测传感器用于检测进 入介质容器 3内的介质 21的容量。
在物料容器 1内的物料的挤压下, 充满介质的软性容器 2内的介质将 被挤出并进入介质容器 3内, 容量检测传感器检测进入介质容器 3内的介 质容量, 根据进入介质容器 3内的介质容量与物料容器 1内的物料容量之 间的预设关系, 可以计算出物料容量。
这种用于检测物料容器内物料容量的检测装置可实时检测物料容器 1 内的物料容量, 可根据该物料容量控制放料速度, 可使得进入物料容器 1 内的物料的量不会过多, 不会有多余的物料从物料容器 1内溢出, 避免物 料的浪费; 也可使得进入物料容器 1内的物料的量不会太少, 不会出现泵 送设备吸空现象。
这种结构的检测装置, 在物料容量内设置一个软性容器 2, 通过检测 软性容器 2内介质的挤出量、 根据介质挤出量与物料容器 1内物料的预设 关系, 便可计算得出物料容器 1内的物料容量, 检测介质容量的容量检测 传感器与物料不接触, 可减小物料对容量检测传感器的影响, 容量检测传 感器使用寿命较长; 这种检测装置结构筒单, 检测方法筒单, 成本低廉。 具体的方案中, 软性容器 2可以呈袋状, 该软性容器 2的底部与物料 容器 1的底部固定, 该软性容器 2的侧面抵靠物料容器 1的侧壁, 物料挤 压软性容器 2时, 软性容器 2抵靠物料容器 1的侧壁, 以便介质从软性容 器 2内被挤出, 而且这种结构将软性容器 2设置在贴近物料容器 1内的侧 壁的位置, 软性容器 2的存在不影响物料容器 1内物料的搅拌、 泵送等操 作。
具体的方案中, 如图 1、 图 2所示, 介质容器 3可以为介质箱, 介质 箱呈箱体状, 介质箱可以设于物料容器 1的上方, 介质箱可通过连接管 5 与软性容器 2连通; 容积检测传感器可以为料位传感器 4, 料位传感器 4 用于检测介质箱内介质液面的高度, 料位传感器 4可以设于介质箱内。
这种结构的检测装置的工作原理如下:
如图 2所示, 物料容器 1的底面积为 S, 物料的高度为 H, 软性容器 2 的截面积为 A, 介质箱底面积为 B, 介质箱中介质的高度为 h。 假设物料 容器 1 内无物料时, 介质箱中填充介质的高度 h刚好为 0, 且介质刚好充 满至介质箱的底部, 根据体积相等原理,
A*H=B*h;
物料高度11=8*11/八= ( B/A ) *h;
物料体积 V=S*H= ( S*B/A ) *h;
设 kl= ( B/A ), k2= ( S*B/A );
物料高度11=1^1*11;
物料体积 V=k2*h。
由于物料容器 1的底面积 S、 软性容器 2的截面积 A、 介质箱底面积 B均为固定值, 则 kl、 k2均为常数, 因此物料高度与介质箱内的介质高度 呈正比例关系, 物料体积与介质箱内的介质高度成正比例关系, 只要测得 介质高度 h就可得到物料容器 1内物料的高度和物料的体积。
因此, 在介质箱内设置的料位传感器 4所测得的介质高度 h, 经过上 述关系式便可得到物料容器 1内物料的容积。
具体的方案中, 料位传感器 4可以为水位传感器等, 凡可以测得介质 箱内介质高度的检测装置均可作为本发明中的料位传感器 4。 本发明所述提供的检测装置, 物料容器 1内的物料 11可以为混凝土、 水泥、 半流动浆料及比重大的液体等。
上述实施例中, 介质容器 3采用介质箱的形式, 通过介质箱内的介质 高度得到物料容器 1内物料的容积, 本发明所提供的用于检测物料容器内 物料容积的检测装置并不局限于此,介质容器 3还可以采用活塞缸的形式, 以下实施例对这种情况进行筒单介绍。
请参看图 3 , 图 3为本发明所提供的检测装置的另一种具体实施方式 的结构示意图。
如图 3所示, 本实施例提供的检测装置包括软性容器 2、 活塞缸 6及 容量检测传感器, 活塞缸 6的无杆腔通过连接管 5与软性容器 2连通, 在 物料容器 1内的物料的挤压下, 充满介质的软性容器 2内的介质将被挤出 并进入活塞缸 6内, 介质将推动活塞发生位移, 进入无杆腔内的介质的容 积等于无杆腔的截面积与活塞位移量的乘积, 由于活塞截面积是固定值, 则活塞的位移量与物料容器 1内物料的高度成一定比例, 活塞的位移量也 与物料容器 1内物料的体积成一定的比例, 因此只要检测到活塞的位移量 即可得到物料容器 1内物料的高度和体积。
具体的方案中, 所述容积检测传感器可以采用位移传感器, 该位移传 感器用于检测活塞的位移量, 具体的方案中, 位移传感器可以设置在活塞 缸 6的活塞杆 61上, 更具体的方案中, 位于传感器可以设置在活塞杆 61 端部的质量块 62上。
优选方案中, 所述容积检测传感器还可以采用拉绳传感器, 可准确检 测活塞的位移量。
其余具体实施方式与上述实施例类似, 在此不再做详细介绍。
本发明还提供了一种混凝土泵送设备, 该混凝土泵送设备包括上述的 用于检测物料容器内物料容积的检测装置, 所述物料容器为混凝土泵送设 备的料斗。 由于上述的检测装置具备上述技术效果, 具有该检测装置的混 凝土泵送设备也应具备相应的技术效果, 在此不再做详细介绍。
混凝土泵送设备可以为混凝土泵车、 混凝土拖泵等。 以上所述仅是发明的优选实施方式的描述, 应当指出, 由于文字表达 的有限性, 而在客观上存在无限的具体结构, 对于本技术领域的普通技术 人员来说, 在不脱离本发明原理的前提下, 还可以做出若干改进和润饰, 这些改进和润饰也应视为本发明的保护范围。

Claims

权 利 要 求
1、 一种用于检测物料容器(1 )内物料容量的检测装置, 其特征在于, 包括:
充满介质的软性容器(2 );
与所述软性容器 ( 2 )连通的介质容器 ( 3 );
用于检测进入所述介质容器(2 ) 内的介质容量的容量检测传感器; 所述软性容器( 2 )设于所述物料容器( 1 ) 内, 且该软性容器( 2 )浸 入所述物料容器 (1 ) 的物料内, 在物料的挤压下, 软性容器(2 ) 内的介 质进入介质容器(3内, 所述容量检测传感器检测进入介质容器(3 ) 内的 介质容量; 根据所述介质容量与所述物料容器( 1 )内的物料容量之间的预 设关系, 计算出所述物料容量。
2、 根据权利要求 1所述的检测装置, 其特征在于, 所述软性容器(2 ) 的底部与所述物料容器 (1 ) 的底部固定, 该软性容器(2 ) 的侧面抵靠所 述物料容器(1 ) 的侧壁。
3、根据权利要求 1或 2所述的检测装置, 其特征在于, 所述介质容器
( 3 )为介质箱,所述容积检测传感器为用于检测所述介质箱内介质液面高 度的料位传感器 (4 ), 所述料位传感器 (4 )位于所述介质箱内。
4、根据权利要求 1或 2所述的检测装置, 其特征在于, 所述介质容器 为活塞缸 ( 6 ), 所述活塞缸(6 ) 的无杆腔与所述软性容器(2 )连通。
5、 根据权利要求 4所述的物料容器物料容积检测装置, 其特征在于, 所述容积检测传感器为用于检测所述活塞缸的活塞位移量的位移传感器。
6、 根据权利要求 4所述的物料容器物料容积检测装置, 其特征在于, 所述容积检测传感器为用于检测所述活塞缸的活塞位移量的拉绳传感器。
7、 根据权利要求 1所述的物料容器物料容积检测装置, 其特征在于, 所述介质为液体、 浆料或胶状物。
8、一种混凝土泵送设备, 其特征在于, 该混凝土泵送设备包括权利要 求 1-7任一项所述的检测装置, 所述物料容器为混凝土泵送设备的料斗。
9、根据权利要求 8所述的混凝土泵送设备, 其特征在于, 所述混凝土 泵送设备为混凝土泵车或拖泵。
PCT/CN2011/076098 2010-12-21 2011-06-22 一种检测装置及混凝土泵送设备 WO2012083656A1 (zh)

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