CN115166807A

CN115166807A - Mechanical arm for rapidly unfolding personnel surface pollution detector

Info

Publication number: CN115166807A
Application number: CN202210586038.6A
Authority: CN
Inventors: 徐江涛; 王巨智; 王强; 王轶; 欧阳小龙; 蔺常勇; 王东芹; 王益元
Original assignee: 719th Research Institute of CSIC
Current assignee: 719th Research Institute of CSIC
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-11

Abstract

The invention relates to the technical field of nuclear radiation protection monitoring, and provides a mechanical arm for rapid deployment of a personnel surface contamination detector, comprising a fixed base, a telescopic hydraulic cylinder, a drive base and a rotating motor, wherein the drive base is erected on a fixed base The base can move on the fixed base. The telescopic hydraulic cylinder is respectively fixed with the drive base and the fixed base. Through the telescopic movement of the hydraulic cylinder, the drive base is pushed or pulled to move to the designated working position. One end of the rotating motor is fixedly installed on the driving base, and the other end is connected with the personnel surface pollution detector, which drives the personnel surface pollution detector to rotate in the circumferential direction and run to the designated working position. The present invention is used for the rapidly deploying mechanical arm of the personnel surface pollution detector, which has compact structure and reasonable layout, can be installed on vehicles, can be quickly deployed when needed, and can monitor radioactive substances for various types of personnel anytime and anywhere.

Description

Mechanical arm for rapidly unfolding personnel surface pollution detector

Technical Field

The invention relates to the technical field of nuclear radiation protection monitoring, in particular to a mechanical arm for rapidly unfolding a personnel surface pollution detector.

Background

At present, personnel surface pollution detectors are arranged on relevant parts of the site of a nuclear power station, the port of a national border, a waste steel smelting enterprise and other entrances and exits, and the device is mainly used for carrying out radioactive online real-time detection on various personnel entering and exiting radioactive places. If some personnel are found to carry trace radioactive source substances, alarm information can be output, and detection data can be stored.

In daily management, most of the personnel surface pollution detectors are integrated devices, the self weight is heavy, the size is large, and the personnel surface pollution detectors are generally installed on the ground of an inlet and an outlet of a designated area through expansion bolts, cannot move randomly and are only suitable for being installed and arranged in a certain specific place. In recent years, with the rapid development of the nuclear energy industry in China, new requirements for monitoring radioactive substances are also provided, and a movable personnel surface pollution detector capable of being quickly arranged is urgently needed in China to ensure that emergency arrangement can be carried out when nuclear accidents happen in different places and different time periods, so that various personnel entering and exiting radioactive places can be monitored in real time, and the safety of the public and the environment is ensured.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the mechanical arm for rapidly unfolding the personnel surface pollution detector, which has compact structure and reasonable layout, can be installed on a vehicle and can be rapidly unfolded when in use, so that radioactive substances of various personnel can be monitored anytime and anywhere.

In order to achieve the purpose, the invention adopts the following technical scheme.

The invention provides a mechanical arm for rapidly unfolding a personnel surface pollution detector, which comprises a fixed base, a telescopic hydraulic cylinder, a driving base and a rotary motor, wherein the driving base is erected on the fixed base and can move on the fixed base, the telescopic hydraulic cylinder is fixedly connected with the driving base and the fixed base respectively, the driving base is pushed or pulled to move to an appointed working position through the telescopic motion of the hydraulic cylinder, one end of the rotary motor is fixedly arranged on the driving base, the other end of the rotary motor is connected with the personnel surface pollution detector, and the personnel surface pollution detector is driven to circumferentially rotate and run to the appointed working position.

In the technical scheme, the bottom of the driving base is provided with the roller mechanism, the side face of the bottom of the driving base is in limit fit with the fixed base and is provided with the guide friction plate, and the driving base can move forwards and backwards smoothly on the fixed base.

In the technical scheme, one end of the rotary motor is installed on the driving base, the other end of the rotary motor is connected with the personnel surface pollution detector, and the personnel surface pollution detector can be driven to rotate in the directional circumferential direction and then conveyed to a designated working position or a storage position.

In the technical scheme, the side face of the bottom of the personnel surface pollution detector is provided with a supporting leg, and the tail end of the supporting leg is provided with a fixed foot plate for increasing the contact area between the supporting leg and the ground.

In the technical scheme, in the initial storage state, the telescopic hydraulic cylinder and the supporting legs are in the contraction state; and under the working unfolding state, the telescopic hydraulic cylinder and the supporting legs are both in the unfolding state.

In the technical scheme, the telescopic hydraulic cylinder and the supporting legs are driven by hydraulic pressure, and the rotating motor is driven by electric power, so that the operation is stable and reliable.

In the technical scheme, the telescopic hydraulic cylinder, the rotary motor and the position near the supporting leg hydraulic cylinder are all provided with travel switches, so that the combined control with a hydraulic or electric system can be realized, and the accuracy of the movement position is ensured.

Compared with the prior art, the invention has the beneficial effects that: the device has the advantages of compact structure in the initial contraction state, reasonable layout, capability of rapidly moving the whole device to a required site at any time and any place, simple design in the working expansion state, strong operability, capability of rapidly expanding the personnel surface pollution detector on site, and further capability of meeting the on-line monitoring of various personnel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of an initial retracted state of a robotic arm for rapid deployment of a human surface contamination detector according to the present invention.

FIG. 2 is a schematic structural diagram of the mechanical arm for rapidly deploying the instrument for detecting surface contamination of people according to the present invention in a working deployment state.

Fig. 3 is a schematic structural view of a driving base part according to the present invention.

FIG. 4 is a schematic diagram of a robotic arm for rapid deployment of a human surface contamination detector according to the present invention.

The reference numbers are as follows: 1-fixed base, 11-reinforced inclined support, 12-bottom guide support, 13-bottom adjusting foot, 14-hydraulic cylinder fixed base, 2-telescopic hydraulic cylinder, 3-driving base, 31-motor fixed base, 32-bottom sliding base, 33-roller mechanism, 34-sliding friction plate, 4-rotary motor, 41-motor, 42-motor fixed flange, 5-personnel surface pollution detector, 6-supporting leg, 61-supporting leg fixed base, 62-supporting leg hydraulic cylinder and 63-fixed foot plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the present invention, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly as understood by one of ordinary skill in the art, and for example, may be fixedly connected, detachably connected, or integrated; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1 to 4, an embodiment of the present invention provides a mechanical arm for rapidly unfolding a human surface contamination detector, including a fixed base 1, a telescopic hydraulic cylinder 2, a driving base 3, and a rotary motor 4, where the fixed base 1 and the driving base 3 are installed in a matching manner, and are connected through the telescopic hydraulic cylinder 2, the rotary motor 4 is fixed on the driving base 3, and the other end of the rotary motor 4 is connected with a human surface contamination detector 5. The structure of each part is compact, and the layout is reasonable.

Specifically, the main body of the fixed base 1 consists of a reinforcing inclined support 11, a bottom guide support 12 and a hydraulic cylinder fixed foundation which are all formed by welding sectional materials and serve as an installation foundation of the whole device; when the whole device is transported, the eight bottom adjusting feet 13 can be arranged on the basis of a vehicle, a train or other mobile platforms, so that the whole device can be conveniently transported to a place where demand monitoring is needed.

Furthermore, the bottom guide support 12 is a channel steel, so that the structural strength is ensured, and meanwhile, the bottom guide support also has the functions of guiding and fixing the driving base 3, and a mat is laid for the subsequent work of the whole device.

In order to improve the operation stability of the driving base 3, the bottom of the bottom sliding base 32 provided in this embodiment is provided with three sets of roller mechanisms 33, which can move smoothly in the bottom guiding support 12; the bottom slide base 32 has a slightly raised slide friction pad 34 secured to its side to reliably reduce contact with the bottom guide support 12. These mechanical designs ensure that the drive base 3 can be moved forward smoothly and stably to a designated working position on the fixed base 1 by the drive of the telescopic hydraulic cylinder 2.

In order to solve the problem of circumferential rotation of the human surface contamination detector 5 in a compact mechanism, the present embodiment provides a rotation motor 4, in which: the motor fixing flange 41 is respectively fixed on the motor fixing base 31 and the personnel surface pollution detector 5; the power executing mechanism is a motor 42, and the personnel surface pollution detector is driven by the rotation of the motor to rotate in the directional circumferential direction, so that the personnel surface pollution detector is conveyed to a designated working position or a storage position.

Further, the motor 42 is driven by electricity, has stable power, large circumferential torque and high operation repeatability, and can remotely or locally perform the operation of circumferential rotation through a driving controller.

In order to solve the problem of bottom support of the personnel surface pollution detector 5, the supporting leg 6 is arranged in the embodiment, the supporting leg fixing base 61 is arranged on the side face of the bottom of the personnel surface pollution detector 5, and the power executing mechanism of the whole set of supporting leg is a supporting leg hydraulic cylinder 62 which is 4 in total and is used for bottom support of the personnel surface pollution detector 5 in a working state.

Furthermore, the tail end of the supporting leg is provided with a fixing foot plate 63 for improving the contact area between the supporting leg and the ground, so that the supporting stability can be improved, and in addition, a spring mechanism can be additionally arranged on the fixing foot plate 63 so as to better adapt to the supporting requirement of the uneven ground surface.

Further, the telescopic hydraulic cylinder 2 and the supporting leg hydraulic cylinder 62 are driven by hydraulic pressure, the driving force is constant, the operation is stable and reliable, and remote operation or local operation can be performed through a separately arranged hydraulic control system.

Furthermore, mechanical travel switches are arranged near the working positions and the initial positions of the telescopic hydraulic cylinder 2, the rotating motor 4 and the supporting legs 6. Through the switching value feedback of the travel switch, the in-place information of each motion executing mechanism can be reliably acquired, so that the joint start-stop control of the motion executing mechanisms and a hydraulic or electric power system is realized, and the in-place accuracy of all-directional operation is ensured.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Those not described in detail in this specification are well within the skill of the art.

Claims

1. The utility model provides a arm that is used for personnel's surface contamination detector to expand fast which characterized in that: including fixed baseplate, flexible pneumatic cylinder, drive base, rotating motor, drive base erects on fixed baseplate, can remove on fixed baseplate, flexible pneumatic cylinder links firmly with drive base and fixed baseplate respectively, and through the concertina movement of pneumatic cylinder, promote or draw and draw the drive base to remove appointed operating position, rotating motor one end is fixed on drive base, and the other end links to each other with personnel surface pollution detector, and the driving personnel surface pollution detector carries out the rotation in a circumferential direction, moves appointed operating position.

2. The robotic arm for rapid deployment of a human surface contamination detector of claim 1, wherein: the bottom of the driving base is provided with a roller mechanism, the side face of the bottom of the driving base is in limit fit with the fixed base and is provided with a guide friction plate, and the driving base can move forwards and backwards on the fixed base.

3. The robotic arm for rapid deployment of a human surface contamination detector of claim 1, wherein: and a supporting leg is arranged on the side surface of the bottom of the personnel surface pollution detector.

4. The mechanical arm for rapidly deploying a human surface contamination detector as claimed in claim 3, wherein: the power executing mechanism of the supporting leg is a supporting leg hydraulic cylinder.

5. The robotic arm for rapid deployment of a human surface contamination detector of claim 1, wherein: the telescopic hydraulic cylinder, the rotary motor and the positions near the supporting legs are all provided with travel switches, so that the accuracy of the movement position is guaranteed.