CN203811402U - An electric hoist experimental testing device - Google Patents
An electric hoist experimental testing device Download PDFInfo
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- CN203811402U CN203811402U CN201420209729.5U CN201420209729U CN203811402U CN 203811402 U CN203811402 U CN 203811402U CN 201420209729 U CN201420209729 U CN 201420209729U CN 203811402 U CN203811402 U CN 203811402U
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Abstract
本实用新型公开了一种电动葫芦实验测试装置，包括用于安装电葫芦的横梁，横梁下设置有液压系统，所述液压系统包括电动机带动的液压泵、油箱，所述液压泵从油箱中吸入液压油，形成压力的液压油通过输出回路输送至液压缸用于驱动液压缸的活塞杆运动，液压油输出回路上依次设置有液压表、溢流阀、换向阀；所述液压缸一端固定，所述活塞杆在液压缸的另一端伸缩运动，所述活塞杆上设置有吊钩，位于上部横梁上电葫芦的铁链挂在所述吊钩上；本实用新型装置结构简单，通用性较强，操作简单，维护成本低，能够提供不同类型的多种实验载荷。
The utility model discloses an electric hoist experiment testing device, which comprises a beam for installing the electric hoist, a hydraulic system is arranged under the beam, the hydraulic system includes a hydraulic pump driven by an electric motor, and an oil tank, and the hydraulic pump sucks in from the oil tank Hydraulic oil, the hydraulic oil that forms the pressure is sent to the hydraulic cylinder through the output circuit to drive the piston rod of the hydraulic cylinder to move. The hydraulic oil output circuit is provided with a hydraulic gauge, a relief valve, and a reversing valve in sequence; one end of the hydraulic cylinder is fixed , the piston rod telescopically moves at the other end of the hydraulic cylinder, the piston rod is provided with a hook, and the iron chain of the electric hoist on the upper beam is hung on the hook; the utility model has simple structure and universal Strong, easy to operate, low maintenance cost, capable of providing various types of experimental loads.
Description
技术领域technical field
本实用新型涉及一种实验测试装置，具体是一种电动葫芦实验测试装置。The utility model relates to an experimental testing device, in particular to an electric hoist experimental testing device.
背景技术Background technique
电动葫芦作为中小型起重设备，出厂时所具备的安全性和可靠性对设备的性能具有重要的影响。出厂前制造厂商需要对电动葫芦进行各种各样的出厂实验，以确保能够在正常寿命内安全的使用。其中电动葫芦的载荷测试是检验其可靠性和安全性的重要内容，所以对电动葫芦施加合理的载荷显得尤为重要，目前能够符合要求的电动葫芦载荷施加装置还未进行广泛应用。As a small and medium-sized lifting equipment, the safety and reliability of the electric hoist at the factory have an important impact on the performance of the equipment. Before leaving the factory, the manufacturer needs to conduct various factory tests on the electric hoist to ensure that it can be used safely within the normal life span. Among them, the load test of the electric hoist is an important content to verify its reliability and safety, so it is particularly important to apply a reasonable load to the electric hoist. At present, the electric hoist load application device that can meet the requirements has not been widely used.
实用新型内容Utility model content
本实用新型所要解决的技术问题是提供一种结构简单，通用性较强的电动葫芦实验测试装置。The technical problem to be solved by the utility model is to provide an electric hoist experimental testing device with simple structure and strong versatility.
为了解决上述技术问题，本实用新型的技术方案是：In order to solve the problems of the technologies described above, the technical solution of the utility model is:
一种电动葫芦实验测试装置，包括用于安装电葫芦的横梁，横梁下设置有液压系统，所述液压系统包括电动机带动的液压泵、油箱，所述液压泵从油箱中吸入液压油，形成压力的液压油通过输出回路输送至液压缸用于驱动液压缸的活塞杆运动，液压油输出回路上依次设置有液压表、溢流阀、换向阀；所述液压缸一端固定，所述活塞杆在液压缸的另一端伸缩运动，所述活塞杆上设置有吊钩，位于上部横梁上电葫芦的铁链挂在所述吊钩上。An electric hoist experimental testing device, including a beam for installing an electric hoist, a hydraulic system is arranged under the beam, the hydraulic system includes a hydraulic pump driven by an electric motor, and an oil tank, and the hydraulic pump sucks hydraulic oil from the oil tank to form a pressure The hydraulic oil is sent to the hydraulic cylinder through the output circuit to drive the piston rod of the hydraulic cylinder to move. The hydraulic oil output circuit is provided with a hydraulic gauge, a relief valve, and a reversing valve in sequence; one end of the hydraulic cylinder is fixed, and the piston rod The other end of the hydraulic cylinder telescopically moves, the piston rod is provided with a hook, and the iron chain of the electric hoist on the upper beam is hung on the hook.
所述吊钩设置在液压缸的活塞杆末端。The hook is arranged at the end of the piston rod of the hydraulic cylinder.
将电葫芦的铁链挂在吊钩上，电葫芦通电将液压缸活塞杆拉出一段距离后保持在此位置，然后开动电动机向液压系统输送压力油，通过换向阀切换通路，使得液压缸活塞杆收缩，通过调节溢流阀调节系统的油压来保持液压系统的部分卸荷，并通过液压表读出压力数值，此次电葫芦承受的为静载荷，载荷大小为压力数值与液压缸活塞杆的有效面积，通过时间测量可检测电葫芦的在此静载荷作用下安全工作的时间；同时通过调节溢流阀，可以得到不同载荷下电葫芦的安全工作时间、工作性能表现以及电葫芦可承受的最大工作重力等指标。当将换向阀的机能转换为液压缸执行往复运动时，可以测量电葫芦在振动载荷下的安全工作时间，动载荷下的疲劳断裂应力，最大动载荷，以及动载荷下电葫芦的稳定性。Hang the iron chain of the electric hoist on the hook, power on the electric hoist to pull the piston rod of the hydraulic cylinder out for a certain distance and keep it at this position, then start the motor to deliver pressure oil to the hydraulic system, switch the passage through the reversing valve, and make the hydraulic cylinder The piston rod shrinks, and the hydraulic system is partially unloaded by adjusting the oil pressure of the overflow valve, and the pressure value is read through the hydraulic gauge. This time, the electric hoist bears a static load, and the load is equal to the pressure value and the hydraulic cylinder The effective area of the piston rod can detect the safe working time of the electric hoist under this static load through time measurement; at the same time, by adjusting the overflow valve, the safe working time, working performance and It can withstand the maximum working gravity and other indicators. When the function of the reversing valve is converted into the hydraulic cylinder to perform reciprocating motion, the safe working time of the electric hoist under the vibration load, the fatigue fracture stress under the dynamic load, the maximum dynamic load, and the stability of the electric hoist under the dynamic load can be measured .
同理，本实用新型的液压系统也可以采用气动系统代替。In the same way, the hydraulic system of the present invention can also be replaced by a pneumatic system.
本实用新型装置结构简单，通用性较强，操作简单，维护成本低，能够提供不同类型的多种实验载荷；而且本实用新型装置能源消耗较低，定位精度高，同时也满足了绿色制造低能耗、无污染的要求。The device of the utility model has the advantages of simple structure, strong versatility, simple operation, low maintenance cost, and can provide various types of experimental loads; moreover, the device of the utility model has low energy consumption, high positioning accuracy, and also satisfies the requirements of green manufacturing with low energy consumption. Consumption, no pollution requirements.
附图说明Description of drawings
下面结合附图和具体实施方式对本实用新型作进一步详细的说明。Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
具体实施方式Detailed ways
如图1所示，液压泵1与电动机2通过螺栓固定在油箱支架12上，液压泵1与电动机2上下分布。油箱11安装在油箱支架12上，油箱11位于液压泵1的右侧，油箱11左侧紧邻液压泵1。As shown in FIG. 1 , the hydraulic pump 1 and the motor 2 are fixed on the fuel tank support 12 by bolts, and the hydraulic pump 1 and the motor 2 are distributed up and down. The fuel tank 11 is installed on the fuel tank bracket 12, the fuel tank 11 is located on the right side of the hydraulic pump 1, and the left side of the fuel tank 11 is adjacent to the hydraulic pump 1.
电动机2带动的液压泵1从油箱11中吸入液压油，形成压力的液压油通过输出回路输送至液压缸9用于驱动液压缸9的活塞杆运动。The hydraulic pump 1 driven by the electric motor 2 sucks hydraulic oil from the oil tank 11 , and the pressurized hydraulic oil is delivered to the hydraulic cylinder 9 through an output circuit for driving the piston rod of the hydraulic cylinder 9 to move.
液压油输出回路上依次设置有液压表3、溢流阀4、换向阀5。即液压表3、溢流阀4、换向阀5串联在液压系统的回路中，液压表3、溢流阀4、换向阀5均安装在油箱支架上方，溢流阀4位于液压表3后方，换向阀5位于溢流阀4后方。A hydraulic gauge 3, a relief valve 4, and a reversing valve 5 are sequentially arranged on the hydraulic oil output circuit. That is, the hydraulic gauge 3, overflow valve 4, and reversing valve 5 are connected in series in the circuit of the hydraulic system; At the rear, the reversing valve 5 is located behind the overflow valve 4 .
电葫芦7安装在横梁6上，横梁6安装在承重墙上，电葫芦7可沿着横梁6往复直线运动。The electric hoist 7 is installed on the crossbeam 6, and the crossbeam 6 is installed on the load-bearing wall, and the electric hoist 7 can reciprocate and linearly move along the crossbeam 6.
液压缸9通过螺栓10紧固在地面上，液压缸9的活塞杆上安装有吊钩8，吊钩8随着活塞杆的伸缩而运动。Hydraulic cylinder 9 is fastened on the ground by bolt 10, and suspension hook 8 is installed on the piston rod of hydraulic cylinder 9, and suspension hook 8 moves along with the expansion and contraction of piston rod.
使用时，将电葫芦7的铁链挂在吊钩8上，电葫芦7通电将液压缸9活塞杆拉出一段距离后保持在此位置，然后开动电动机2向液压系统输送压力油。可以通过换向阀5切换通路，使得液压缸9活塞杆收缩，通过调节溢流阀4调节系统的油压来保持液压系统的部分卸荷，并通过液压表3读出压力数值，此种方法电葫芦承受的为静载荷，载荷大小为压力数值与液压缸活塞杆的有效面积，通过时间测量可检测电葫芦的在此静载荷作用下安全工作的时间。During use, the iron chain of the electric hoist 7 is hung on the hook 8, the electric hoist 7 is energized and the piston rod of the hydraulic cylinder 9 is pulled out for a certain distance and kept at this position, and then the motor 2 is started to deliver pressure oil to the hydraulic system. The passage can be switched through the reversing valve 5 to make the piston rod of the hydraulic cylinder 9 shrink, and the oil pressure of the system can be adjusted by adjusting the relief valve 4 to maintain partial unloading of the hydraulic system, and the pressure value can be read through the hydraulic gauge 3. This method The electric hoist bears a static load, and the magnitude of the load is the pressure value and the effective area of the piston rod of the hydraulic cylinder. Time measurement can detect the safe working time of the electric hoist under this static load.
通过调节溢流阀4，可以得到不同载荷下电葫芦7的安全工作时间、工作性能表现以及电葫芦7可承受的最大工作重力等指标。当将换向阀5的机能转换为液压缸9执行往复运动时，可以测量电葫芦7在振动载荷下的安全工作时间，动载荷下的疲劳断裂应力，最大动载荷，以及动载荷下电葫芦7的稳定性。By adjusting the overflow valve 4 , indicators such as the safe working time and working performance of the electric hoist 7 under different loads and the maximum working gravity that the electric hoist 7 can bear can be obtained. When the function of the reversing valve 5 is converted into the reciprocating motion of the hydraulic cylinder 9, the safe working time of the electric hoist 7 under the vibration load, the fatigue fracture stress under the dynamic load, the maximum dynamic load, and the electric hoist under the dynamic load can be measured 7 stability.
在本实施例中，液压系统也可以采用气动系统代替。In this embodiment, the hydraulic system can also be replaced by a pneumatic system.
上述实施例不以任何方式限制本实用新型，凡是采用等同替换或等效变换的方式获得的技术方案均落在本实用新型的保护范围内。The above-mentioned embodiments do not limit the present utility model in any way, and all technical solutions obtained by means of equivalent replacement or equivalent transformation fall within the protection scope of the present utility model.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420209729.5U CN203811402U (en) | 2014-04-25 | 2014-04-25 | An electric hoist experimental testing device |
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| CN201420209729.5U CN203811402U (en) | 2014-04-25 | 2014-04-25 | An electric hoist experimental testing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004564A (en) * | 2015-08-03 | 2015-10-28 | 河南省三马起重机械有限公司 | Multifunctional crane test platform |
| CN108717109A (en) * | 2018-05-30 | 2018-10-30 | 上海工程技术大学 | A kind of quick soil density test device in field |
| CN110715858A (en) * | 2018-07-13 | 2020-01-21 | 辽宁省送变电工程有限公司 | A lever hoist automatic tensile test device and its test method |
-
2014
- 2014-04-25 CN CN201420209729.5U patent/CN203811402U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004564A (en) * | 2015-08-03 | 2015-10-28 | 河南省三马起重机械有限公司 | Multifunctional crane test platform |
| CN108717109A (en) * | 2018-05-30 | 2018-10-30 | 上海工程技术大学 | A kind of quick soil density test device in field |
| CN110715858A (en) * | 2018-07-13 | 2020-01-21 | 辽宁省送变电工程有限公司 | A lever hoist automatic tensile test device and its test method |
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Granted publication date: 20140903 Termination date: 20150425 |
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