Disclosure of Invention
In view of the above, the present utility model aims to provide a descent detection device, so as to solve the technical problems in the prior art that a bulk head cannot be accurately descended to a feed inlet by manually observing descent, gaps may be generated in the middle, powder is scattered from the gaps, so that on-site pollution and sanitation are caused, and a worker who passes a road slides down and is greatly damaged.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a descent detection device comprises an elastic piece, a fixed frame, a rotating frame and a detection assembly;
the rotating frame is connected to the fixing frame, and the detection assembly is connected to the fixing frame;
the rotating frame comprises a fixed rod and a rotating arm;
one end of the rotating arm is connected to one end of the fixed rod; one end of the elastic piece is connected to the fixing frame, and the other end of the elastic piece is connected to the rotating arm;
the rotating arm is provided with a roller and a counterweight component; the roller is sleeved with a steel wire rope;
the roller and the counterweight component are both connected to the rotating arm, and the counterweight component is arranged above the detection component.
Further, an extension arm is further arranged on the rotating arm, and the counterweight component is connected to the bottom end of the extension arm.
Further, the rotating arm is provided with an accommodating groove, and the other end of the elastic piece is connected in the accommodating groove.
Further, a connecting plate is arranged on the rotating arm, one end face of the connecting plate is connected to the extension arm, and the other end face of the connecting plate is connected with the counterweight assembly.
Further, a plurality of fixing bolts are arranged on the fixing frame.
Compared with the prior art, the descent detection device has the following advantages:
(1) The roller is sleeved with the steel wire rope, the other end of the steel wire rope is arranged on the bulk head, the steel wire rope is in a straightening state all the time when the bulk head does not descend in place, the rotating arm is in a lifted state all the time, the elastic piece is stretched, the steel wire rope is in a loose state when the bulk head descends to a designated height, the right end of the rotating arm rotates downwards along the fixed rod under the tensile force of the elastic piece and the counterweight component, the right end of the rotating arm is close to the detection component, the detection component prompts workers that the bulk head descends in place, and the descending detection device is simple in structure, small in size, convenient to install and detach, sensitive and adjustable in detection, safe and reliable.
(2) The rotating arm is also provided with the extension arm, and the counterweight component is connected to the bottom end of the extension arm, so that the counterweight component is prevented from interfering with the roller.
(3) The lower end face of the rotating arm is provided with the containing groove which is concave inwards, the upper end of the elastic piece is hooked in the containing groove, and the upper end of the elastic piece rotates along with the rotating arm, so that the hook area of the moving elastic piece is prevented from interfering with an external wire harness.
(4) The upper end face of the connecting plate is connected to the extension arm, the lower end face of the connecting plate is connected with the counterweight assembly, and the connecting plate not only can be used for connecting the counterweight assembly, but also can serve as a touch pad contacted with the detection assembly, and is dual-purpose.
(5) The fixing bolts on the fixing frame can be used for installation, so that the stability is improved, and the sensitivity of the descent detection device is improved.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 2, the descent detection device provided by the present utility model includes an elastic member 100, a fixing frame 200, a rotating frame 300, and a detection assembly 400;
the rotating frame 300 is connected to the fixed frame 200, and the detecting assembly 400 is connected to the fixed frame 200;
the turret 300 includes a fixed lever 301 and a rotating arm 302;
one end of the rotating arm 302 is connected to one end of the fixing lever 301; one end of the elastic piece 100 is connected to the fixing frame 200, and the other end of the elastic piece 100 is connected to the rotating arm 302;
the rotating arm 302 is provided with a roller 303 and a counterweight assembly 304; the roller 303 is sleeved with a steel wire rope;
the roller 303 and the counterweight assembly 304 are both connected to the rotating arm 302, and the counterweight assembly 304 is disposed above the detecting assembly 400.
In one embodiment of the present utility model, as shown in fig. 1 and 2, the fixing frame 200 is mounted on a workbench, the lower end of the fixing rod 301 of the rotating frame 300 is fixedly connected to the left end of the fixing frame 200, the left end of the rotating arm 302 is rotatably connected to the upper end of the fixing rod 301, the right end of the rotating arm 302 of the roller 303, the weight assembly 304 is fixed at the lowest end of the right end of the rotating arm 302, the detecting assembly 400 is fixed on the fixing frame 200, and the detecting plate is located below the right end of the rotating arm 302.
The lower end of the elastic element 100 is hooked on the fixing frame 200, and the upper end of the elastic element 100 is hooked on the rotating arm 302, so that the elastic element is convenient to detach and install.
When the automatic powder feeding device is in a working state, a steel wire rope extends from a winding wheel to a roller 303 to be sleeved on the roller 303, then the roller 303 is connected to a bulk head, when the automatic powder feeding device is not in a descending position, the steel wire rope is in a straightening state, the rotating arm 302 is in a lifted state, the elastic piece 100 is stretched, when the bulk head descends to a specified height, the lowest end of the bulk head is supported, the steel wire rope is in a loosening state, under the pulling force of the elastic piece 100 and the counterweight assembly 304, the right end of the rotating arm 302 rotates downwards along the fixed rod 301, the right end of the rotating arm 302 is close to the detecting assembly 400, the detecting assembly 400 is an infrared sensor, an object enters the sensing range of the infrared sensor, the detecting assembly 400 can give an alarm to inform workers, the detecting assembly 400 can be one or two, the accuracy of the detecting assembly 400 is ensured, the detecting assembly 400 prompts the workers that the bulk head is in a descending position, the descending detecting device is simple in structure, the size is small, the automatic powder feeding device is convenient to install in disassembly, the detecting sensitivity and is adjustable, the safe and reliable, the descending position is accurate, the phenomenon of powder leakage is avoided, and the powder leakage is maintained, and the probability caused by powder leakage is reduced.
More preferably, the rotating arm 302 is further provided with an extension arm 305, and the counterweight assembly 304 is connected to the bottom end of the extension arm 305.
In one embodiment of the present utility model, as shown in fig. 1 and 2, an extension arm 305 is further provided on the rotating arm 302, and a counterweight assembly 304 is connected to the bottom end of the extension arm 305, so as to avoid interference between the counterweight assembly 304 and the roller 303.
More preferably, the rotating arm 302 is provided with a receiving groove 306, and the other end of the elastic member 100 is connected in the receiving groove 306.
In one embodiment of the present utility model, as shown in fig. 1 and 2, the lower end surface of the rotating arm 302 is provided with an inward concave receiving groove 306, the upper end of the elastic member 100 is hooked in the receiving groove 306, and the upper end of the elastic member 100 rotates along with the rotating arm 302, so as to avoid interference between the hooking area of the moving elastic member 100 and the external wire harness.
More preferably, the rotating arm 302 is provided with a connecting plate 307, one end surface of the connecting plate 307 is connected to the extending arm 305, and the other end surface of the connecting plate 307 is connected to the counterweight assembly 304.
In one embodiment of the present utility model, as shown in fig. 1 and 2, the upper end surface of the connection plate 307 is connected to the extension arm 305, the lower end surface of the connection plate 307 is connected to the counterweight assembly 304, and the connection plate 307 can be used for connecting the counterweight assembly 304, and also can serve as a touch pad contacting with the detection assembly 400, so that one plate can be used as a dual purpose.
More preferably, the fixing frame 200 is provided with a plurality of fixing bolts 201.
In one embodiment of the present utility model, as shown in fig. 1 and 2, a plurality of fixing bolts 201 on the fixing frame 200 may be used for installation, increasing stability and improving sensitivity of the descent detection device.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.