CN219285125U

CN219285125U - Gas detection device

Info

Publication number: CN219285125U
Application number: CN202223036577.7U
Authority: CN
Inventors: 蔡元迪
Original assignee: Nanning Power Supply Bureau of Guangxi Power Grid Co Ltd
Current assignee: Nanning Power Supply Bureau of Guangxi Power Grid Co Ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-06-30
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a gas detection device, which belongs to the field of gas detection under inspection wells; the device comprises a supporting frame; the lifting plate capable of lifting is arranged on the supporting frame, the connecting frame is fixed on the lifting plate, then the fixing mechanism is arranged at the lower end of the connecting frame, two clamping plates which can be mutually close to each other are arranged in the fixing mechanism, so that the casing body is clamped and fixed, the casing body is conveyed into an inspection well, the underground gas is detected by utilizing the gas detection module in the casing body, and compared with the case that a worker enters the underground to detect the gas, the underground gas detection device is more labor-saving and safer; through set up the threaded rod in fixed establishment, set up first external screw thread and the second external screw thread that revolves the opposite direction respectively at the both ends of threaded rod, realize two splint synchronous reverse slip to realize the centering centre gripping to the casing body.

Description

Gas detection device

Technical Field

The utility model belongs to the field of underground gas detection, and particularly relates to a gas detection device.

Background

The Chinese patent publication No. CN208506006U discloses a gas detection device comprising: the gas detection module is arranged in a monitoring cavity of the shell body, comprises at least one sensor and at least one actuator, and controls gas to be led into the gas detection module and monitored through the sensor so as to achieve the purpose of gas detection; however, the practical application environment of the gas detection device is relatively complex; in particular to the detection of underground gas, the underground complex environment causes: the process of placing and taking out the gas detection device of the above utility model (CN 208506006U) into the well is laborious and unsafe for personnel.

Disclosure of Invention

In view of the shortcomings of the prior art, an object of the present utility model is to provide a gas detection device.

The aim of the utility model can be achieved by the following technical scheme:

the gas detection device comprises a support frame and a cuboid casing body, wherein a gas detection module is arranged in the casing body, a lifting plate capable of lifting is arranged on the support frame, a connecting frame is fixed at the lower end of the lifting plate, and a fixing mechanism is arranged at the lower end of the connecting frame;

the fixing mechanism comprises a mounting plate fixed at the lower end of the connecting frame, two clamping plates which can be close to each other are arranged on the mounting plate, and the two clamping plates are close to each other and can act on two opposite side edges of the shell body.

Further, a fixed plate is arranged on two sides of the upper end of the mounting plate respectively, a rotatable threaded rod is arranged between the two fixed plates, a first external thread and a second external thread which are opposite in rotation direction are arranged at two ends of the threaded rod respectively, and the first external thread and the second external thread penetrate through the two clamping plates respectively and are in threaded connection with the two clamping plates respectively.

Further, a rubber pad is arranged on one side, close to the shell body, of the clamping plate.

Further, two sides of the lower end of the support frame are respectively fixed with a connecting plate, and the lower end of each connecting plate is provided with at least two universal wheels.

Further, a rotatable screw rod is arranged on the supporting frame, penetrates through the lifting plate along the vertical direction and is in threaded connection with the lifting plate.

Further, an oil cylinder capable of driving the lifting plate to lift is arranged on the supporting frame.

Further, a position sensor is installed at one side of the supporting frame for limiting the descending position of the lifting plate.

The utility model has the beneficial effects that:

1. the lifting plate capable of lifting is arranged on the supporting frame, the connecting frame is fixed on the lifting plate, then the fixing mechanism is arranged at the lower end of the connecting frame, two clamping plates which can be mutually close to each other are arranged in the fixing mechanism, so that the casing body is clamped and fixed, the casing body is conveyed into an inspection well, the underground gas is detected by utilizing the gas detection module in the casing body, and compared with the case that a worker enters the underground to detect the gas, the underground gas detection device is more labor-saving and safer;

2. through set up the threaded rod in fixed establishment, set up first external screw thread and the second external screw thread that revolves the opposite direction respectively at the both ends of threaded rod, realize two splint synchronous reverse slip to realize the centering centre gripping to the casing body.

Drawings

In order to more clearly illustrate the embodiments of the present utility model 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, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present utility model;

FIG. 2 is a schematic structural view of a fixing mechanism according to embodiment 1 of the present utility model;

fig. 3 is a schematic view of the structure of the threaded rod according to embodiment 1 of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

as shown in fig. 1, a gas detection device comprises a support frame 1, wherein a lifting plate 2 is connected to the support frame 1 in a sliding manner, and the sliding direction is a vertical direction; the lower end of the lifting plate 2 is fixed with a connecting frame 5, the lower end of the connecting frame 5 is provided with a fixing mechanism 6, and the fixing mechanism 6 is used for fixing the shell body 7; the lifting plate 2 descends to enable the casing body 7 to enter the scenting well, and the gas detection module in the casing body 7 is utilized to detect the underground gas;

in the embodiment, the screw rod 3 is rotationally connected to the support frame 1, the screw rod 3 penetrates through the lifting plate 2 along the vertical direction and is in threaded connection with the lifting plate 2, and the driving device 4 is arranged at the upper end of the support frame 1 to drive the screw rod 3 to rotate, so that the lifting movement of the lifting plate 2 can be controlled, the descending height of the lifting plate 2 can be adjusted by controlling the rotation number of the motor 4, and the detection work of gas at different underground depth positions is adapted;

as shown in fig. 2, the casing body 7 is rectangular, and two clamping plates 63 capable of approaching each other are provided in the fixing mechanism 6 to clamp the opposite sides of the casing body 7, thereby realizing the clamping and fixing of the casing body 7; and is convenient for the disassembly of the casing body 7 after detection.

In this embodiment, as shown in fig. 2 to 3, the fixing mechanism 6 includes a mounting plate 61 fixed to the lower end of the connection frame 5, and two clamping plates 63 are slidably connected to the mounting plate 61; two sides of the upper end of the mounting plate 61 are respectively provided with a fixing plate 611, a threaded rod 62 is rotatably connected between the two fixing plates 611, two ends of the threaded rod 62 are respectively provided with a first external thread 621 and a second external thread 622, the first external thread 621 and the second external thread 622 are opposite in rotation direction, and the first external thread 621 and the second external thread 622 respectively penetrate through the two clamping plates 63 and are respectively in threaded connection with the two clamping plates 63; a motor is fixed on one of the fixing plates 611 to drive the threaded rod 62 to rotate, so that the two clamping plates 63 can approach each other, and further the casing body 7 is centered, clamped and fixed;

the side of the clamping plate 63, which is close to the casing body 7, is provided with a rubber pad to realize flexible clamping of the casing body 7, so that the surface of the casing body 7 is prevented from being clamped.

Two sides of the lower end of the support frame 1 are respectively fixed with a connecting plate 11, and the lower end of each connecting plate 11 is provided with two universal wheels so as to facilitate the movement of the support frame 1, facilitate the entry of the casing body 7 into the pit and facilitate the adjustment of the azimuth in the pit;

the number of universal wheels at the lower end of each connecting plate 11 is not limited to two, and can be more than two.

Example 2:

this embodiment differs from embodiment 1 only in that: the screw rod 3 and the driving device 4 in the embodiment 1 are replaced by an oil cylinder which is fixed on the supporting frame 1 and used for controlling the lifting plate 2 to lift;

in the present embodiment, a position sensor is provided on the support frame 1 side to control the lowering height of the lift plate 2.

Working principle:

the lifting plate 2 capable of lifting is arranged on the supporting frame 1, the connecting frame 5 is fixed on the lifting plate 2, then the fixing mechanism 6 is arranged at the lower end of the connecting frame 5, two clamping plates 63 capable of approaching each other are arranged in the fixing mechanism 6, so that the casing body 7 is clamped and fixed, the casing body 7 is conveyed into an inspection well, the underground gas is detected by utilizing the gas detection module in the casing body 7, and compared with the case that a worker enters the well to detect the gas, the underground gas is more labor-saving and safer; by providing the threaded rod 62 in the fixing mechanism 6, and providing the first external screw 621 and the second external screw 622 with opposite rotation directions at both ends of the threaded rod 62, respectively, the two clamping plates 63 are slid in the opposite directions in synchronization, thereby realizing centering clamping of the casing body 7.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The gas detection device comprises a support frame (1) and a cuboid casing body (7), wherein a gas detection module is arranged in the casing body (7), and the gas detection device is characterized in that a lifting plate (2) capable of lifting is arranged on the support frame (1), a connecting frame (5) is fixed at the lower end of the lifting plate (2), and a fixing mechanism (6) is arranged at the lower end of the connecting frame (5);

the fixing mechanism (6) comprises a mounting plate (61) fixed at the lower end of the connecting frame (5), two clamping plates (63) which can be mutually close are arranged on the mounting plate (61), and the two clamping plates (63) are mutually close and can act on two opposite side edges of the casing body (7).

2. A gas detection device according to claim 1, wherein two sides of the upper end of the mounting plate (61) are respectively provided with a fixing plate (611), a rotatable threaded rod (62) is arranged between the two fixing plates (611), two ends of the threaded rod (62) are respectively provided with a first external thread (621) and a second external thread (622) which are opposite in rotation direction, and the first external thread (621) and the second external thread (622) respectively penetrate through the two clamping plates (613) and are respectively in threaded connection with the two clamping plates (63).

3. A gas detection device according to claim 1, characterized in that the clamping plate (63) is provided with a rubber pad on the side close to the housing body (7).

4. A gas detection device according to claim 1, wherein two sides of the lower end of the support frame (1) are respectively fixed with a connecting plate (11), and the lower end of each connecting plate (11) is provided with at least two universal wheels.

5. A gas detection device according to claim 1, characterized in that the support frame (1) is provided with a rotatable screw (3), the screw (3) penetrating the lifting plate (2) in the vertical direction and being in threaded connection with the lifting plate (2).

6. A gas detection device according to claim 1, characterized in that the support frame (1) is provided with an oil cylinder capable of driving the lifting plate (2) to lift.

7. A gas detection device according to claim 6, characterized in that a position sensor is mounted on one side of the support frame (1) for limiting the lowering position of the lifting plate.