CN208221518U - A protection component of a screw lifting device - Google Patents
A protection component of a screw lifting device Download PDFInfo
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- CN208221518U CN208221518U CN201820691958.3U CN201820691958U CN208221518U CN 208221518 U CN208221518 U CN 208221518U CN 201820691958 U CN201820691958 U CN 201820691958U CN 208221518 U CN208221518 U CN 208221518U
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- 238000001514 detection method Methods 0.000 claims abstract description 101
- 239000002184 metal Substances 0.000 claims abstract description 58
- 229910052751 metal Inorganic materials 0.000 claims abstract description 58
- 230000001939 inductive effect Effects 0.000 claims abstract description 9
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 230000003028 elevating effect Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000001976 improved effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
技术领域technical field
本实用新型涉及丝杆升降装置领域，具体地说，涉及一种丝杆升降装置的保护组件。The utility model relates to the field of screw rod lifting devices, in particular to a protection component of the screw rod lifting device.
背景技术Background technique
丝杆升降装置广泛应用于机械、冶金、建筑、水利设备等行业，具有起升、下降及借助辅件推进、翻转及各种高度位置调整等诸多功能。轮丝杆升降装置是一种基础起重部件，具有结构紧凑、体积小、重量轻、动力源广泛、无噪音、安装方便、使用灵活、功能多、配套形式多、可靠性高、使用寿命长等许多优点。The screw lifting device is widely used in machinery, metallurgy, construction, water conservancy equipment and other industries. It has many functions such as lifting, lowering, propulsion with the help of accessories, flipping and various height position adjustments. The wheel screw lifting device is a basic lifting component with compact structure, small size, light weight, wide power source, no noise, convenient installation, flexible use, multiple functions, multiple supporting forms, high reliability and long service life. And many other advantages.
丝杆升降装置的丝杆和螺母是一对摩擦副，摩擦副选用不同材料以达到减少摩擦系数，使操作省力轻便，同时减少移损(磨损)提高使用寿命。在实际使用中，丝杆属于更换不方便的零件，为了保证丝杆更耐用、不被磨损，一般选用硬度比丝杆材质软的铜材料作为螺母。但在丝杆升降装置的长期使用过程中，铜材料的螺母的螺纹会逐渐磨损，螺牙有被磨损失效的可能，由于丝杆与螺母之间的咬合螺纹在螺母内部，实际磨损量难以检测到，使丝杆升降装置存在安全隐患。The screw and nut of the screw lifting device are a pair of friction pairs. The friction pairs are made of different materials to reduce the friction coefficient, make the operation labor-saving and light, and reduce the displacement loss (wear) and improve the service life. In actual use, the screw rod is an inconvenient part to replace. In order to ensure that the screw rod is more durable and not worn out, a copper material with a hardness softer than that of the screw rod is generally used as the nut. However, during the long-term use of the screw lifting device, the thread of the copper nut will gradually wear out, and the thread teeth may be worn out. Since the occlusal thread between the screw rod and the nut is inside the nut, the actual amount of wear is difficult to detect Arrived, make the screw mandrel lifting device to have potential safety hazard.
需要说明的是，在上述背景技术部分公开的信息仅用于加强对本发明的背景的理解，因此可以包括不构成对本领域普通技术人员已知的现有技术的信息。It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present invention, and therefore may include information that does not constitute prior art known to those of ordinary skill in the art.
发明内容Contents of the invention
针对现有技术中的问题，本实用新型的目的在于提供一种丝杆升降装置的保护组件，通过检测工作螺母的下降位移来检测其磨损程度，本实用新型不仅有效解决了丝杆升降装置的工作螺母磨损检测的难题，还实现了自动化检测监控，提高了丝杆升降装置的安全性和自动化控制程度。Aiming at the problems in the prior art, the purpose of this utility model is to provide a protection component of the screw lifting device, which can detect the degree of wear of the working nut by detecting the descending displacement of the working nut. The utility model not only effectively solves the problem of the screw lifting device. The difficult problem of working nut wear detection has also realized automatic detection and monitoring, which has improved the safety and automatic control degree of the screw lifting device.
本实用新型提供了一种丝杆升降装置的保护组件，所述丝杆升降装置包括丝杆和工作螺母，其特征在于，所述保护组件包括检测螺母和非接触式金属探测组件所述检测螺母安装于丝杆升降装置的工作螺母下方，所述工作螺母的转动通过至少一个销轴带动所述检测螺母的同步转动，所述工作螺母与所述销轴松配合，所述销轴与所述检测螺母固定连接。The utility model provides a protection assembly of a screw lifting device, the screw lifting device includes a screw and a working nut, and it is characterized in that the protection assembly includes a detection nut and the detection nut of a non-contact metal detection assembly Installed under the working nut of the screw lifting device, the rotation of the working nut drives the synchronous rotation of the detection nut through at least one pin shaft, the working nut is loosely fitted with the pin shaft, and the pin shaft and the The detection nut secures the connection.
所述非接触式金属探测组件与所述检测螺母固定连接，所述非接触式金属探测组件的探测头朝向所述工作螺母，所述非接触式金属探测组件的探测头与所述工作螺母的初始距离为d，且d1＜d≤d1+d2，其中，d1为所述非接触式金属探测组件的感应距离，d2为设定的所述工作螺母(12)磨损失效前允许的最大磨损量。The non-contact metal detection assembly is fixedly connected to the detection nut, the detection head of the non-contact metal detection assembly faces the working nut, and the detection head of the non-contact metal detection assembly is connected to the working nut. The initial distance is d, and d 1 <d≤d 1 +d 2 , wherein, d 1 is the sensing distance of the non-contact metal detection component, and d 2 is the set working nut (12) before wear and failure The maximum amount of wear allowed.
优选地，所述丝杆升降装置为蜗轮丝杆升降装置或螺旋丝杆升降装置。Preferably, the screw lifting device is a worm gear screw lifting device or a screw screw lifting device.
优选地，所述工作螺母为铜螺母。Preferably, the working nut is a copper nut.
优选地，所述工作螺母固定连接一个扩展金属块，所述扩展金属块为焊接于所述工作螺母并与之同轴的碳钢块，所述扩展金属块的下表面与所述工作螺母的下表面处于同一水平位置，且所述非接触式金属探测组件的探测头位于所述扩展金属块的正下方。Preferably, the working nut is fixedly connected with an expansion metal block, and the expansion metal block is a carbon steel block welded to the working nut and coaxial with it, and the lower surface of the expansion metal block is in contact with the working nut. The lower surfaces are at the same horizontal position, and the detection head of the non-contact metal detection component is located directly below the expanded metal block.
优选地，所述非接触式金属探测组件为电感型接近开关。Preferably, the non-contact metal detection component is an inductive proximity switch.
优选地，所述电感型接近开关通过一个安装座与所述检测螺母固定连接。Preferably, the inductive proximity switch is fixedly connected to the detection nut through a mount.
优选地，所述工作螺母设置有孔洞，所述销轴的直径小于所述孔洞的内径，所述销轴插入所述孔洞与所述工作螺母形成松配合。Preferably, the working nut is provided with a hole, the diameter of the pin shaft is smaller than the inner diameter of the hole, and the pin shaft is inserted into the hole to form a loose fit with the working nut.
优选地，所述检测螺母通过两个销轴与所述工作螺母连接。Preferably, the detection nut is connected to the working nut through two pin shafts.
优选地，所述检测螺母为球墨铸铁的螺母。Preferably, the detection nut is a nut of ductile iron.
本实用新型提供了一种丝杆升降装置的保护组件，丝杆升降装置包括丝杆和工作螺母，保护组件包括检测螺母和非接触式金属探测组件，检测螺母与工作螺母同步转动，由于检测螺母不受力，转动过程的磨损忽略不计，工作螺母由于的磨损造成检测螺母与工作螺母之间的相对距离变小，当相对距离小于非接触式金属探测组件的感应距离时，非接触式金属探测组件发出信号。本实用新型通过检测工作螺母的下降位移来检测其磨损程度，有效解决了现有丝杆升降装置的丝杆与工作螺母咬合螺纹在螺母的内部，磨损量难以检测的问题；本实用新型的丝杆升降装置的保护组件，能及时检测到丝杆升降装置由于长期使用而造成的工作螺母磨损情况，当磨损到一定程度时，非接触式金属探测组件及时发出报警，实现了自动化检测监控，方便升降装置的维护保养，以保证设备的安全运行，提高了丝杆升降装置的安全性和自动化控制程度。The utility model provides a protection component of a screw lifting device. The screw lifting device includes a screw and a working nut. The protection component includes a detection nut and a non-contact metal detection component. The detection nut and the working nut rotate synchronously. Without force, the wear during the rotation process is negligible. The relative distance between the detection nut and the working nut becomes smaller due to the wear of the working nut. When the relative distance is less than the sensing distance of the non-contact metal detection component, the non-contact metal detection The component emits a signal. The utility model detects the degree of wear of the working nut by detecting the descending displacement of the working nut, which effectively solves the problem that the screw thread of the existing screw lifting device and the working nut are engaged with the thread inside the nut, and the wear amount is difficult to detect; The protection component of the rod lifting device can timely detect the wear of the working nut caused by the long-term use of the screw lifting device. When the wear reaches a certain level, the non-contact metal detection component will send out an alarm in time, realizing automatic detection and monitoring, which is convenient The maintenance of the lifting device ensures the safe operation of the equipment and improves the safety and automation control of the screw lifting device.
附图说明Description of drawings
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本申请的实施例，并与说明书一起用于解释本申请的原理，通过阅读参照以下附图对非限制性实施例所作的详细描述，本发明的其它特征、目的和优点将会变得更明显。显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。The accompanying drawings, which are incorporated herein and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description serve to explain the principles of the application, non-limiting implementations are read by reference to the following drawings Other features, objects and advantages of the present invention will become apparent from the detailed description of examples. Apparently, the drawings in the following description are only some embodiments of the present invention, and those skilled in the art can obtain other drawings according to these drawings without creative efforts.
图1为设置有丝杆升降装置的设备的结构示意图；Fig. 1 is the structural representation of the equipment that is provided with screw mandrel lifting device;
图2为本实用新型的丝杆升降装置的保护组件的结构示意图。Fig. 2 is a structural schematic diagram of the protective assembly of the screw lifting device of the present invention.
附图标记reference sign
1 保护组件1 Protective components
11 丝杆11 screw
12 工作螺母12 working nuts
12a 扩展金属块12a Extended metal block
13 检测螺母13 Detection nut
14 非接触式金属探测组件14 Non-contact metal detection components
15 销轴15 pin
16 安装座16 mounts
9 设备9 devices
具体实施方式Detailed ways
现在将参考附图更全面地描述示例实施方式。然而，示例实施方式能够以多种形式实施，且不应被理解为限于在此阐述的实施方式。相反，提供这些实施方式使得本实用新型将全面和完整，并将示例实施方式的构思全面地传达给本领域的技术人员。所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施方式中。此外，附图仅为本公开的示意性图解，并非一定是按比例绘制。图中相同的附图标记表示相同或类似的部分，因而将省略对它们的重复描述。Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus repeated descriptions thereof will be omitted.
图1为设置有丝杆升降装置的设备的结构示意图。在此设备9中，设置有四个丝杆升降装置，虚线框中为本实用新型的丝杆升降装置的保护组件1，具体的结构示意图如图2。本实用新型的丝杆升降装置可为蜗轮丝杆升降装置或螺旋丝杆升降装置。蜗轮丝杆升降装置有减速部件、升降部件构成，减速部件为蜗杆传动，利用蜗杆带动蜗轮实现减速，其中蜗轮中心为内螺纹结构，相当于丝杆升降装置的工作螺母。Fig. 1 is a structural schematic diagram of equipment provided with a screw mandrel lifting device. In this equipment 9, there are four screw lifting devices, and the protection component 1 of the screw lifting device of the present invention is shown in the dotted line frame, and the specific structural diagram is shown in FIG. 2 . The screw mandrel lifting device of the utility model can be a worm gear screw mandrel lifting device or a helical screw mandrel lifting device. The worm gear screw lifting device is composed of a deceleration part and a lifting part. The deceleration part is a worm drive, and the worm is used to drive the worm wheel to achieve deceleration. The center of the worm wheel is an internal thread structure, which is equivalent to the working nut of the screw lifting device.
图2实施例中，丝杆升降装置包括丝杆11和工作螺母12，正如前所述，为了保证丝杆更耐用、不被磨损，一般选用硬度比丝杆软的铜材料作为螺母，本实施例中的工作螺母12为铜螺母，丝杆11和工作螺母12之间的螺纹为机械行业广泛使用的梯形螺纹，丝杆11的梯形外螺纹以锥面贴紧不易松动，具有牙根强度高，对中性好的优点。In the embodiment of Fig. 2, the screw mandrel elevating device includes a screw mandrel 11 and a working nut 12. As mentioned above, in order to ensure that the screw mandrel is more durable and not worn out, copper material with hardness softer than the screw mandrel is generally selected as the nut. The working nut 12 in the example is a copper nut, and the thread between the screw mandrel 11 and the working nut 12 is a trapezoidal thread widely used in the machinery industry. Advantages of being neutral.
保护组件1包括检测螺母13和非接触式金属探测组件14。当金属物体移向或移出非接触式金属探测组件时，非接触式金属探测组件的点信号会发生变化，从而达到检测的目的，本实验新型利用了非接触式金属探测组件的这一特性。The protection assembly 1 includes a detection nut 13 and a non-contact metal detection assembly 14 . When a metal object moves toward or out of the non-contact metal detection component, the point signal of the non-contact metal detection component will change, so as to achieve the purpose of detection. This new experiment utilizes this characteristic of the non-contact metal detection component.
检测螺母13安装于丝杆升降装置的工作螺母12下方，实施例中，工作螺母12设置有孔洞，工作螺母12的转动通过两个与检测螺母13固定连接的销轴15带动检测螺母13同步转动，工作螺母12与销轴15之间为松配合，即销轴15的直径小于工作螺母12孔洞的内径，销轴15插入孔洞与工作螺母12形成松配合。The detection nut 13 is installed under the working nut 12 of the screw lifting device. In the embodiment, the working nut 12 is provided with a hole, and the rotation of the working nut 12 drives the detection nut 13 to rotate synchronously through two pin shafts 15 fixedly connected with the detection nut 13 , It is a loose fit between the working nut 12 and the pin 15, that is, the diameter of the pin 15 is less than the inner diameter of the working nut 12 holes, and the pin 15 is inserted into the hole to form a loose fit with the working nut 12.
在实际的使用中，连接工作螺母12与检测螺母13之间的销轴15的个数不限，销轴15与工作螺母12、销轴15与检测螺母13的连接方式也不限于上述方式。连接方式能起到带动检测螺母13随工作螺母12同步转动，同时不影响工作螺母12由于磨损而产生的沿丝杆轴向方向的相对向下移动即可。In actual use, the number of pin shafts 15 connecting the working nut 12 and the detection nut 13 is not limited, and the connection methods between the pin shaft 15 and the working nut 12 and between the pin shaft 15 and the detection nut 13 are not limited to the above-mentioned methods. The connection method can drive the detection nut 13 to rotate synchronously with the working nut 12 without affecting the relative downward movement of the working nut 12 along the axial direction of the screw shaft due to wear.
非接触式金属探测组件14与检测螺母13固定连接，非接触式金属探测组件14的探测头朝向工作螺母12。一个扩展金属块12a固定连接于工作螺母12，扩展金属块12a的下表面与工作螺母12的下表面处于同一水平位置。这里扩展金属块12a的主要作用是扩展工作螺母12的外径，即将工作螺母12的下表面扩展至非接触式金属探测组件14的探测头的正上方。The non-contact metal detection assembly 14 is fixedly connected with the detection nut 13 , and the detection head of the non-contact metal detection assembly 14 faces the working nut 12 . An expanded metal block 12 a is fixedly connected to the working nut 12 , and the lower surface of the expanded metal block 12 a is at the same level as the lower surface of the working nut 12 . Here, the main function of the expanding metal block 12 a is to expand the outer diameter of the working nut 12 , that is, expanding the lower surface of the working nut 12 to directly above the detection head of the non-contact metal detection assembly 14 .
非接触式金属探测组件14的探测头与工作螺母12的初始距离为d，且d1＜d≤d1+d2，其中，d1为非接触式金属探测组件14的感应距离，d2为设定的工作螺母12磨损失效前允许的最大磨损量。非接触式金属探测组件14与检测螺母13固定连接，扩展金属块12a固定连接于工作螺母12，因此，非接触式金属探测组件14的探测头与扩展螺母12a之间的相对距离即可看成检测螺母13与工作螺母12之间的距离。The initial distance between the detection head of the non-contact metal detection assembly 14 and the working nut 12 is d, and d 1 <d≤d 1 +d 2 , where d 1 is the sensing distance of the non-contact metal detection assembly 14, d 2 is the maximum amount of wear allowed before the set working nut 12 wears out. The non-contact metal detection assembly 14 is fixedly connected to the detection nut 13, and the expansion metal block 12a is fixedly connected to the working nut 12. Therefore, the relative distance between the detection head of the non-contact metal detection assembly 14 and the expansion nut 12a can be regarded as The distance between the detection nut 13 and the working nut 12 is detected.
实施例中的非接触式金属探测组件14采用电感型接近开关，电感型接近开关是用于非接触检测金属物体的一种低成本方式。实施列中的电感型接近开关的具体型号为IGM208型接近开关，IGM208型接近开关的感应距离d1为12mm，IGM208型接近开关通过一个安装座16与检测螺母13固定连接。由于碳钢材质是IGM208型接近开关最容易检测到的金属，实施例中的扩展金属块12a为焊接于工作螺母12并与之同轴的碳钢块。The non-contact metal detection component 14 in the embodiment uses an inductive proximity switch, which is a low-cost method for non-contact detection of metal objects. The specific model of the inductive proximity switch in the implementation column is the IGM208 proximity switch. The sensing distance d 1 of the IGM208 proximity switch is 12mm. The IGM208 proximity switch is fixedly connected with the detection nut 13 through a mounting base 16 . Since carbon steel is the metal most easily detected by the IGM208 proximity switch, the extended metal block 12a in the embodiment is a carbon steel block welded to the working nut 12 and coaxial therewith.
如果工作螺母12磨损失效前允许的最大磨损量d2为5mm，则初始安装时，检测螺母13在工作螺母12的下方，与他们分别相连接的非接触式金属探测组件14的探测头与扩展金属块12a的初始距离d可设置在12mm至17mm(12mm+5mm)之间。不同的设备、不同的载荷、不同的螺母材质、螺母牙型等，d2的值不同。d可根据设备使用者对工作螺母12的使用要求而定，d越大，更大的工作螺母12磨损量才能被检测到；而d越小，则相反，此时工作螺母12的更换频率也更高。If the maximum amount of wear d 2 allowed before the working nut 12 wears out is 5mm, then during the initial installation, the detection nut 13 is under the working nut 12, and the detection head and extension of the non-contact metal detection assembly 14 connected to them respectively The initial distance d of the metal block 12a can be set between 12mm and 17mm (12mm+5mm). Different equipment, different loads, different nut materials, nut tooth types, etc., the value of d2 is different. d can be determined according to the requirements of the equipment user for the use of the working nut 12, the greater the d, the greater the amount of wear of the working nut 12 can be detected; higher.
当升降装置丝杆的工作螺母12转动，并驱动升降设备发生移动时，检测螺母13随工作螺母12转动，当两者均没有磨损时，检测螺母13与工作螺母12之间的距离不随转动改变。但在实际旋转使用过程中，检测螺母13不受力，因而不会产生磨损，为了进一步确保检测螺母13不受磨损，图2实施例的检测螺母13采用耐磨性高的球墨铸铁螺母，检测螺母13的磨损量忽略不计。工作螺母12受力，螺纹因此产生磨损，磨损后的工作螺母12相较于磨损前的工作螺母12会产生沿丝杆轴向方向的相对下降，在本实用新型中，即相对于检测螺母13下降，工作螺母12的磨损量决定相对下降的位移。当工作螺母12的磨损量不断增加，由于相对下降使得工作螺母12与检测螺母13的相对距离变小，即电感型接近开关的探测头与扩展螺母12a之间的距离变小，当距离小于感应距离d1时，电感型接近开关被触发，向控制系统发出信号，提醒设备使用者采取相应的维护保养措施。When the working nut 12 of the screw rod of the lifting device rotates and drives the lifting equipment to move, the detection nut 13 rotates with the working nut 12. When both are not worn, the distance between the detection nut 13 and the working nut 12 does not change with the rotation . However, during the actual rotation and use, the detection nut 13 is not stressed, so there will be no wear and tear. In order to further ensure that the detection nut 13 is not subject to wear, the detection nut 13 of the embodiment in Fig. 2 adopts a ductile iron nut with high wear resistance. The amount of wear of the nut 13 is negligible. The working nut 12 is stressed, and the threads are worn accordingly. Compared with the working nut 12 before wearing, the worn working nut 12 will produce a relative decline along the axial direction of the screw rod. Descending, the amount of wear of the working nut 12 determines the relative descending displacement. When the amount of wear of the working nut 12 continues to increase, the relative distance between the working nut 12 and the detection nut 13 becomes smaller due to a relative decrease, that is, the distance between the detection head of the inductive proximity switch and the expansion nut 12a becomes smaller. When the distance d is 1 , the inductive proximity switch is triggered and sends a signal to the control system to remind the equipment user to take corresponding maintenance measures.
综上所述，本实用新型所提了一种丝杆升降装置的保护组件，丝杆升降装置包括丝杆和工作螺母，保护组件包括检测螺母和非接触式金属探测组件，检测螺母与工作螺母同步转动，由于检测螺母不受力，转动过程的磨损忽略不计，工作螺母由于的磨损造成检测螺母与工作螺母之间的相对距离变小，当相对距离小于非接触式金属探测组件的感应距离时，非接触式金属探测组件发出信号。本实用新型通过检测工作螺母的下降位移来检测其磨损程度，有效解决了现有丝杆升降装置的丝杆与工作螺母咬合螺纹在螺母的内部，磨损量难以检测的问题；本实用新型的一种丝杆升降装置的保护组件，能及时检测到丝杆升降装置由于长期使用而造成的工作螺母磨损情况，当磨损到一定程度时，非接触式金属探测组件及时发出报警，实现了自动化检测监控，方便升降装置的维护保养，以保证设备的安全运行，提高了丝杆升降装置的安全性和自动化控制程度。In summary, the utility model proposes a protection assembly of a screw lifting device, the screw lifting device includes a screw and a working nut, the protection assembly includes a detection nut and a non-contact metal detection assembly, the detection nut and the working nut Synchronous rotation, because the detection nut is not stressed, the wear during the rotation process is negligible, and the relative distance between the detection nut and the working nut becomes smaller due to the wear of the working nut. When the relative distance is less than the sensing distance of the non-contact metal detection component , the non-contact metal detection component emits a signal. The utility model detects the degree of wear of the working nut by detecting the descending displacement of the working nut, which effectively solves the problem that the screw rod and the working nut of the existing screw lifting device are engaged with the screw thread inside the nut, and the wear amount is difficult to detect; one aspect of the utility model The protection component of the screw lifting device can timely detect the wear of the working nut caused by the long-term use of the screw lifting device. When the wear reaches a certain level, the non-contact metal detection component will send out an alarm in time, realizing automatic detection and monitoring , to facilitate the maintenance of the lifting device, to ensure the safe operation of the equipment, and to improve the safety and automatic control of the screw lifting device.
以上内容是结合具体的优选实施方式对本实用新型所作的进一步详细说明，不能认定本实用新型的具体实施只局限于这些说明。对于本实用新型所属技术领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本实用新型的保护范围。The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be assumed that the specific implementation of the utility model is only limited to these descriptions. For a person of ordinary skill in the technical field to which the utility model belongs, without departing from the concept of the utility model, some simple deduction or substitutions can also be made, which should be regarded as belonging to the protection scope of the utility model.
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