CN219085502U

CN219085502U - Harmful gas detection alarm device

Info

Publication number: CN219085502U
Application number: CN202222841367.9U
Authority: CN
Inventors: 熊建华
Original assignee: WUHAN TIANHUA TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: WUHAN TIANHUA TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-05-26
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a harmful gas detection alarm device, which comprises: a detector body; the lifting mechanism is used for driving the detector body to lift and adjust, and comprises a ball screw and a screw nut arranged on the surface of the ball screw, and the detector body is arranged on the screw nut; the driving mechanism is used for driving the lifting mechanism to move up and down along the vertical direction; a controller for controlling the operation of the driving mechanism; the driving mechanism is controlled to be opened through the arranged controller, the ball screw is driven to rotate through the driving mechanism, the screw rod nut can move up and down on the surface of the screw rod nut when the screw rod nut rotates, and the detector body can be driven to carry out height adjustment, so that the detection of harmful gases at high and low positions is realized, the whole automatic operation is carried out, and the labor cost is greatly saved.

Description

Harmful gas detection alarm device

Technical Field

The utility model relates to the field of gas detection, in particular to harmful gas detection alarm equipment.

Background

The gas detector is an instrument for detecting gas leakage concentration, and comprises: portable gas detector, hand-held gas detector, stationary gas detector, on-line gas detector, etc. Gas sensors are mainly used for detecting the gas species present in the environment, and are sensors for detecting the composition and content of the gas.

The density of harmful gas at the high position and the low position after being dispersed has certain gap, and because the existing gas detector is mostly placed at a fixed position, the different positions cannot be detected, and the harmful gas detector has certain limitation and brings certain inconvenience to the detection work of staff.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide harmful gas detection alarm equipment which can be used for solving the technical problems.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a harmful gas detection alarm device, which comprises:

a detector body;

the lifting mechanism is used for driving the detector body to lift and adjust, the lifting mechanism comprises a ball screw and a screw nut arranged on the surface of the ball screw, and the detector body is arranged on the screw nut;

the driving mechanism is used for driving the lifting mechanism to move up and down along the vertical direction;

and the controller is used for controlling the operation of the driving mechanism.

As a preferable technical scheme of the utility model, the lifting mechanism further comprises a sliding rail, the ball screw is arranged in the sliding rail, the top end of the ball screw is rotationally connected with the inner wall of the sliding rail through a rotating piece, and a bearing is arranged between the position, close to the bottom, of the surface of the ball screw and the inner wall of the sliding rail.

As a preferable technical scheme of the utility model, the surface of the screw rod nut is provided with a mounting frame through a connecting piece, and the detector body is mounted on the front surface of the mounting frame through a screw.

As a preferable technical scheme of the utility model, limit grooves are formed in two sides of the sliding rail, auxiliary wheels are mounted on two sides of the inner wall of the mounting frame, and the auxiliary wheels are connected in a rolling mode in the limit grooves.

As a preferable technical scheme of the utility model, a sealing box is arranged on one side of the sliding rail, an electric motor is arranged in the sealing box, the outer end of an output shaft of the electric motor penetrates through the sliding rail, a transmission bevel gear is fixedly connected with the outer end of the output shaft of the electric motor through a coupler, an execution bevel gear is arranged at one end, close to the electric motor, of the ball screw, and the execution bevel gear is meshed with the transmission bevel gear.

As a preferred embodiment of the present utility model, the slide rail has a shaft holder mounted therein with respect to the electric motor shaft.

As an optimized technical scheme of the utility model, a display screen is arranged on the front surface of the detector body, a gas sensor is arranged at the bottom of the detector body, and an explosion-proof gram head and an audible and visual alarm are respectively arranged on two sides of the detector body.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the electric motor and the transmission bevel gear which are matched with each other, the transmission bevel gear, the ball screw and the screw rod nut are arranged, when the electric motor is started, the output shaft of the electric motor can drive the transmission bevel gear to rotate, and the transmission bevel gear can drive the transmission bevel gear to rotate, so that the ball screw is driven to rotate, and when the ball screw rotates, the screw rod nut can move up and down on the surface of the ball screw, and can drive the detector body to adjust the height, so that the detection of harmful gases at high and low positions is realized, the whole automatic operation is realized, and the labor cost is greatly saved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic overall elevational view of the present utility model;

FIG. 2 is a schematic elevational cross-sectional view of the present utility model;

FIG. 3 is a schematic side sectional view of the present utility model;

fig. 4 is a schematic top view of the present utility model.

In the figure: 1. a detector body; 101. a display screen; 102. a gas sensor; 103. an audible and visual alarm; 104. an explosion-proof gram head; 2. a mounting frame; 21. an auxiliary wheel; 3. a slide rail; 31. a limit groove; 32. a rotating member; 33. a bearing; 4. a ball screw; 41. a screw nut; 42. a connecting piece; 5. executing a bevel gear; 6. an electric motor; 61. a drive bevel gear; 62. a shaft lever bracket; 7. and a controller.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Wherein like reference numerals refer to like elements throughout.

Example 1

As shown in fig. 1 to 4, the present utility model provides a harmful gas detection alarm device, comprising:

a detector body 1; the lifting mechanism is used for driving the detector body 1 to lift and adjust and comprises a ball screw 4 and a screw nut 41 arranged on the surface of the ball screw 4, and the detector body 1 is arranged on the screw nut 41; the driving mechanism is used for driving the lifting mechanism to move up and down along the vertical direction; a controller 7 for controlling the operation of the driving mechanism; the driving mechanism is controlled to be started through the arranged controller 7, the ball screw 4 is driven to rotate through the driving mechanism, the screw nut 41 can move up and down on the surface of the ball screw when the ball screw is rotated, and the detector body 1 can be driven to carry out height adjustment, so that the detection of harmful gases at high and low positions is realized, the whole automatic operation is carried out, and the labor cost is greatly saved.

Further, the lifting mechanism further comprises a sliding rail 3, the ball screw 4 is arranged in the sliding rail 3, the top end of the ball screw is rotationally connected with the inner wall of the sliding rail 3 through a rotating piece 32, and a bearing 33 is arranged between the position, close to the bottom, of the surface of the ball screw and the inner wall of the sliding rail 3; the inner ring of the bearing 33 is fixedly attached to the surface of the ball screw 4, the outer ring of the bearing 33 is fixedly connected with the sliding rail 3, and the ball screw 4 can be limited by the arrangement of the rotating piece 32 and the bearing 33 and cannot be prevented from rotating.

Further, the surface of the screw nut 41 is provided with the installation frame 2 through a connecting piece 42, and the detector body 1 is arranged on the front surface of the installation frame 2 through a screw; the lead screw nut 41 can drive the mounting frame 2 and the detector body 1 on the surface thereof to move through the connecting piece 42 when moving, thereby facilitating the height adjustment.

Furthermore, both sides of the sliding rail 3 are provided with limit grooves 31, both sides of the inner wall of the mounting frame 2 are provided with auxiliary wheels 21, and the auxiliary wheels 21 are in rolling connection with the inside of the limit grooves 31; the auxiliary wheel 21 can roll in the limiting groove 31, the limiting groove 31 can limit the auxiliary wheel 21, the auxiliary wheel 21 is prevented from rolling to be separated, and meanwhile, the mounting frame 2 can be connected with the sliding rail 3 through the auxiliary wheel 21.

Further, a sealing box is arranged on one side of the sliding rail 3, an electric motor 6 is arranged in the sealing box, the outer end of an output shaft of the electric motor 6 penetrates through the sliding rail 3 and is fixedly connected with a transmission bevel gear 61 through a coupler, an execution bevel gear 5 is arranged at one end, close to the electric motor 6, of the ball screw 4, and the execution bevel gear 5 is meshed with the transmission bevel gear 61; when the electric motor 6 is started, the output shaft of the electric motor can drive the transmission bevel gear 61 to rotate, and the transmission bevel gear 61 can drive the execution bevel gear 5 to rotate, so that the ball screw 4 is driven to rotate, and the lifting mechanism is driven.

Further, the shaft lever bracket 62 is arranged inside the sliding rail 3 relative to the shaft lever of the electric motor 6, so that the eccentric problem of the shaft lever in long-term use is prevented, and the controller 7 is arranged on the front surface of the sealing box, so that the operator can conveniently adjust the sealing box.

Further, a display screen 101 is installed on the front surface of the detector body 1, a gas sensor 102 is installed at the bottom of the detector body 1, and an explosion-proof gram head 104 and an audible and visual alarm 103 are respectively installed on two sides of the detector body 1; the concentration of harmful gas is conveniently checked in real time through the display screen 101, and the harmful gas is timely reminded through double alarm of the audible and visual alarm 103 when the concentration of the harmful gas is lower than or higher than a set value, so that the installability is higher.

Specifically, first, the slide rail 3 is vertically installed on the wall surface of a room to be detected, the gas detector body 1 is installed on the surface of the installation frame 2, the electric motor 6 is controlled to be started by the controller 7, when the electric motor 6 is started, the output shaft of the electric motor drives the transmission bevel gear 61 to rotate clockwise or anticlockwise, meanwhile, the transmission bevel gear 61 drives the execution bevel gear 5 to rotate, thereby driving the ball screw 4 to rotate, and when the ball screw 4 rotates, the screw nut 41 can move upwards or downwards on the surface of the ball screw 4, so that the detection of harmful gas at high and low positions is realized.

In summary, according to the utility model, through the electric motor 6 and the driving bevel gear 61, the driving bevel gear 5, the ball screw 4 and the screw nut 41 are cooperatively arranged, when the electric motor 6 is started, the output shaft of the electric motor can drive the driving bevel gear 61 to rotate, the driving bevel gear 61 can drive the driving bevel gear 5 to rotate, thereby driving the ball screw 4 to rotate, and when the ball screw 4 rotates, the screw nut 41 can move up and down on the surface of the ball screw 4 and can drive the detector body 1 to adjust the height, thereby realizing the detection of harmful gases at high and low positions, having higher overall automation degree and greatly saving labor cost.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A harmful gas detection alarm device, characterized in that it comprises:

a detector body (1);

the lifting mechanism is used for driving the detector body (1) to lift and adjust, and comprises a ball screw (4) and a screw nut (41) arranged on the surface of the ball screw (4), wherein the detector body (1) is arranged on the screw nut (41);

and a controller (7) for controlling the operation of the driving mechanism.

2. The harmful gas detection alarm device according to claim 1, wherein the lifting mechanism further comprises a sliding rail (3), the ball screw (4) is arranged inside the sliding rail (3), the top end of the ball screw is rotatably connected with the inner wall of the sliding rail (3) through a rotating piece (32), and a bearing (33) is arranged between the position, close to the bottom, of the surface of the ball screw and the inner wall of the sliding rail (3).

3. A harmful gas detection alarm apparatus according to claim 2, wherein the lead screw nut (41) has a mounting frame (2) mounted on a surface thereof via a connecting member (42), and the detector body (1) is mounted on a front surface of the mounting frame (2) via screws.

4. A harmful gas detection alarm device according to claim 3, wherein limiting grooves (31) are formed in both sides of the sliding rail (3), and auxiliary wheels (21) are mounted on both sides of the inner wall of the mounting frame (2), and the auxiliary wheels (21) are in rolling connection with the inside of the limiting grooves (31).

5. The harmful gas detection alarm device according to claim 4, wherein a sealing box is installed on one side of the sliding rail (3), an electric motor (6) is installed in the sealing box, the outer end of an output shaft of the electric motor (6) is arranged inside the sliding rail (3) in a penetrating mode, a transmission bevel gear (61) is fixedly connected with the outer end of the output shaft of the electric motor, an execution bevel gear (5) is installed at one end, close to the electric motor (6), of the ball screw (4), and the execution bevel gear (5) is meshed with the transmission bevel gear (61).

6. A harmful gas detection warning device according to claim 5, characterized in that the interior of the slide rail (3) is fitted with a shaft holder (62) in relation to the shaft of the electric motor (6).

7. The harmful gas detection alarm device according to claim 6, wherein the display screen (101) is installed on the front surface of the detector body (1), the gas sensor (102) is installed at the bottom of the detector body (1), and the explosion-proof glan heads (104) and the audible-visual annunciator (103) are respectively installed on two sides of the detector body (1).