CN211453256U

CN211453256U - Portable particulate matter on-line monitoring device

Info

Publication number: CN211453256U
Application number: CN202020178864.3U
Authority: CN
Inventors: 沈学崴
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-09-08
Anticipated expiration: 2030-02-18

Abstract

The utility model discloses a portable particulate matter on-line monitoring device, including the on-line monitoring device main part, the bottom fixedly connected with U-shaped base of on-line monitoring device main part, and the bottom both sides of U-shaped base have all been seted up and have been accomodate the groove, accomodate the inslot internal rotation and install bearing round steel dish, and the top of bearing round steel dish is positive direction nestification and has four abrasionproof balls, the top inner wall rolling contact in groove is accomodate to abrasionproof ball and corresponding, slidable mounting has same steel sheet between the both sides inner wall in groove of accomodating, and the bottom both sides of steel sheet all rotate and install the universal wheel, and the bottom of universal wheel extends to the below of U-shaped base. The utility model discloses be convenient for accomodate four universal wheels in step fast, can reduce the risk that online monitoring device main part bumps the emergence displacement and touch other personnel or article because of the mistake, also make the universal wheel not be in the supported state for a long time, can improve the life of universal wheel, be favorable to using.

Description

Portable particulate matter on-line monitoring device

Technical Field

The utility model relates to a particulate matter online monitoring equipment technical field especially relates to a portable particulate matter online monitoring device.

Background

In recent years, the pollution of particulate matters in ambient air has attracted public attention, and the monitoring of the pollution of the particulate matters in the ambient air is particularly important, and the authorization notice number CN203689103U is a mobile particulate matter online monitoring device, which comprises a vertical rectangular temperature control station room; the bottom of the back of the temperature control station room is provided with a rectangular notch, and an air conditioner condenser is placed in the rectangular notch; the front side of the temperature control station room is provided with a door, and an air conditioner evaporator, a particulate matter detector, a display, an industrial personal computer, an uninterruptible power supply and an air sampling pump are sequentially arranged in the front side from top to bottom; the industrial computer is connected with particulate matter detector, display, uninterrupted power source respectively, and the air sampling pump is connected with particulate matter detector. A temperature and humidity transmitter is further mounted inside the station house, and four movable wheels and four fixed legs are arranged at the bottom of the temperature control station house, so that a fixed ambient air ground station can be replaced, and the field space required by monitoring is saved; the movement and the fixation are convenient, and the detection place can be conveniently replaced; the arrangement positions of all parts in the device are reasonable, and the integration degree is high; but direct mount in open-air environment, repeatedly usable especially adapts to short-term environment air particulate matter on-line monitoring demand, reduces the monitoring cost.

The mobile online particulate matter monitoring device disclosed in the above patent still has some disadvantages, and although the arrangement of the moving wheel and the four fixed support legs can enable personnel to move, the workers need to use tools one by one to adjust the four fixed support legs to be separated from the ground during each movement, and then the workers can move, and also need to return the fixed support legs one by one after moving, so that time and labor are wasted and a great deal of time is wasted under the mode of adjusting the fixed support legs one by one;

to sum up, it is not convenient for to take in the removal wheel synchronous fast, and directly make the removal wheel be in the support state for a long time, can greatly reduced remove the life of wheel to and there is the online monitoring device who takes ordinary braking system universal wheel in the bottom direct mount on the market, but this kind is less because of the area with ground contact friction, has great unstable risk of stopping, makes the risk of being touched personnel or article by mistake emergence offset big, is unfavorable for using, therefore we have proposed a portable particulate matter online monitoring device and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mobile particle online monitoring device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a movable online monitoring device for particulate matters comprises an online monitoring device main body, wherein the bottom of the online monitoring device main body is fixedly connected with a U-shaped base, the two sides of the bottom of the U-shaped base are respectively provided with an accommodating groove, a bearing round steel disc is rotatably arranged in the accommodating groove, the top of the bearing round steel disc is nested with four anti-abrasion balls in the positive direction, the anti-abrasion balls are in rolling contact with the inner walls of the tops of the corresponding accommodating grooves, the inner walls of the two sides of the accommodating grooves are slidably provided with a steel plate, the two sides of the bottom of the steel plate are respectively rotatably provided with a universal wheel, the bottom of the universal wheel extends to the lower part of the U-shaped base, the top of the steel plate is fixedly connected with a screw, a rotating shaft is sleeved on the screw, the top of the rotating shaft is fixedly connected with the bottom of the corresponding bearing round steel disc, a first chain wheel is fixedly arranged on the rotating, and the end part of the output shaft of the stepping motor is fixedly connected with a second chain wheel, and the two first chain wheels and the second chain wheel are in transmission connection with the same chain.

Preferably, accomodate two T shape slide rails of equal fixedly connected with on the both sides inner wall in groove, the T shape spout that two tops and bottom set up for the opening is all seted up to the both sides of steel sheet, and T shape spout and the T shape slide rail sliding connection who corresponds, and two stoppers of one side fixedly connected with that T shape slide rail is close to the screw rod that corresponds, and the top of a stopper of below and the bottom movable contact of the steel sheet that corresponds in two stoppers on the same T shape slide rail.

Preferably, two are accomodate and all offer the rectangular hole that is linked together with the U-shaped base inboard on the one side inner wall that the groove is close to each other, and the chain is located two rectangular holes, and the inner wall in rectangular hole and the outside of chain are contactless.

Preferably, the top of the first chain wheel is provided with a round hole, and the side wall of the round hole is welded with the outer side of the corresponding rotating shaft.

Preferably, the bottom end of the rotating shaft is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw.

Preferably, the same bearing is fixedly connected between the inner walls of the two sides of the accommodating groove, and the inner side of the inner ring of the bearing is fixedly connected with the outer side of the corresponding bearing round steel disc.

Compared with the prior art, the beneficial effects of the utility model are that:

the U-shaped base, the containing groove, the bearing round steel disc, the anti-abrasion ball, the steel plate, the universal wheel, the screw rod, the rotating shaft, the first chain wheel, the stepping motor, the second chain wheel, the chain and the rectangular hole are matched with the T-shaped slide rail, forward start step motor drives the second sprocket and rotates, the second sprocket passes through two first sprockets of chain drive and rotates, first sprocket drives the pivot rotation that corresponds, the pivot drives four abrasionproof balls through the bearing round steel dish that corresponds and rolls on the top inner wall of accomodating the groove, the pivot is rotated and is driven the screw rod rebound that corresponds, the screw rod drives the steel sheet that corresponds and slides on four T shape slide rails, the steel sheet drives two universal wheels that correspond and accepts and accomodate the inslot, the U-shaped base supports online monitoring device main part this moment, the increase is with the area of contact friction on ground, can reduce the risk of bumping the emergence displacement because of the mistake, also can improve the life of universal wheel.

The utility model discloses be convenient for accomodate four universal wheels in step fast, can reduce the risk that online monitoring device main part bumps the emergence displacement and touch other personnel or article because of the mistake, also make the universal wheel not be in the supported state for a long time, can improve the life of universal wheel, be favorable to using.

Drawings

Fig. 1 is a schematic structural view of a mobile online particulate matter monitoring device provided by the present invention;

fig. 2 is a schematic sectional view of a part a of a mobile online particulate matter monitoring device according to the present invention;

fig. 3 is a schematic top view of a first sprocket, a second sprocket and a chain of the mobile online particulate matter monitoring device according to the present invention;

fig. 4 is the utility model provides a portable particulate matter on-line monitoring device's bearing circle steel disc and abrasionproof gyro wheel connecting piece overlook the schematic diagram.

In the figure: the online monitoring device comprises an online monitoring device main body 1, a U-shaped base 2, a containing groove 3, a load-bearing round steel disc 4, an anti-abrasion ball 5, a steel plate 6, a universal wheel 7, a screw rod 8, a rotating shaft 9, a first chain wheel 10, a stepping motor 11, a second chain wheel 12, a chain 13, a rectangular hole 14 and a T-shaped sliding rail 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a mobile online particulate monitoring device comprises an online monitoring device main body 1, wherein the bottom of the online monitoring device main body 1 is fixedly connected with a U-shaped base 2, both sides of the bottom of the U-shaped base 2 are provided with accommodating grooves 3, a bearing round steel disc 4 is rotatably installed in the accommodating grooves 3, the top of the bearing round steel disc 4 is nested with four anti-abrasion balls 5 in the positive direction, the anti-abrasion balls 5 are in rolling contact with the inner wall of the top of the corresponding accommodating groove 3, the same steel plate 6 is slidably installed between the inner walls of both sides of the accommodating groove 3, both sides of the bottom of the steel plate 6 are rotatably installed with universal wheels 7, the bottom of the universal wheels 7 extends to the lower part of the U-shaped base 2, the top of the steel plate 6 is fixedly connected with a screw rod 8, a rotating shaft 9 is sleeved on the screw rod 8, and the top end of the rotating shaft 9 is fixedly connected, fixed cover is equipped with first sprocket 10 in the pivot 9, and fixed mounting has step motor 11 on the bottom inner wall of U-shaped base 2, and step motor 11's output shaft end fixedly connected with second sprocket 12, and the transmission is connected with same chain 13 on two first sprockets 10 and the second sprocket 12, the utility model discloses be convenient for accomodate four universal wheels 7 in step fast, can reduce online monitoring device main part 1 and bump the risk that takes place the displacement and touch other personnel or article because of the mistake, also make universal wheel 7 not be in support state for a long time, can improve universal wheel 7's life, be favorable to using.

In the utility model, two T-shaped sliding rails 15 are fixedly connected on the inner walls of two sides of the accommodating grooves 3, two T-shaped sliding grooves with the top and the bottom arranged as openings are arranged on two sides of the steel plate 6, the T-shaped sliding grooves are connected with the corresponding T-shaped sliding rails 15 in a sliding way, one side of the T-shaped sliding rail 15 close to the corresponding screw 8 is fixedly connected with two limit blocks, the top of one limit block below the two limit blocks on the same T-shaped sliding rail 15 is movably contacted with the bottom of the corresponding steel plate 6, the inner wall of one side close to each other of the two accommodating grooves 3 is provided with a rectangular hole 14 communicated with the inner side of the U-shaped base 2, the chain 13 is positioned in the two rectangular holes 14, the inner wall of the rectangular hole 14 is not contacted with the outer side of the chain 13, the top of the first chain wheel 10 is provided with a round hole, the side wall of the round hole is, and the screw hole 8 threaded connection with the screw rod that corresponds accomodates the same bearing of fixedly connected with between the both sides inner wall of groove 3, and the inboard outside fixed connection with the bearing round steel dish 4 that corresponds of inner circle of bearing, the utility model discloses be convenient for accomodate four universal wheels 7 fast in step, can reduce online monitoring device main part 1 and bump the risk that takes place the displacement and touch other personnel or article because of the mistake, also make universal wheel 7 not be in support state for a long time, can improve the life of universal wheel 7, be favorable to using.

The working principle is as follows: before the universal wheels 7 are not stored, the online monitoring device main body 1 can move through the four universal wheels 7, because the contact area between the universal wheels 7 and the ground is small, the risk of displacement is large when the universal wheels 7 are mistakenly touched, the universal wheels 7 are in a supporting state for a long time, the damage risk of the universal wheels can be increased, the service life is reduced, when the online monitoring device is stored, the stepping motor 11 is started in the forward direction to drive the second chain wheel 12 to rotate, the second chain wheel 12 drives the two first chain wheels 10 to rotate through the chain 13, the first chain wheels 10 drive the corresponding rotating shafts 9 to rotate, the rotating shafts 9 drive the four anti-abrasion balls 5 to roll on the inner wall of the top of the storage groove 3 through the corresponding bearing round steel discs 4, under the action of the threaded holes arranged at the bottom ends of the rotating shafts 9, the rotating shafts 9 can drive the corresponding screw rods 8 to move upwards, the screw rods 8 drive the corresponding steel plates 6 to move upwards, simultaneously in two universal wheel 7 incomes that steel sheet 6 drove the correspondence accomodate groove 3, U-shaped base 2 supports online monitoring device main part 1 this moment, and the increase can reduce online monitoring device main part 1 because of the mistake bumps the risk that takes place the displacement, also makes universal wheel 7 not be in the supported state for a long time, can improve universal wheel 7's life with ground contact friction area.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a portable particulate matter on-line monitoring device, includes on-line monitoring device main part (1), a serial communication port, the bottom fixedly connected with U-shaped base (2) of on-line monitoring device main part (1), and the bottom both sides of U-shaped base (2) have all been seted up and have been accomodate groove (3), accomodate the groove (3) internal rotation and install bearing circle steel disc (4), and the top of bearing circle steel disc (4) is positive direction nestification has four abrasionproof ball (5), abrasionproof ball (5) and the top inner wall rolling contact who accomodates groove (3) that corresponds, slidable mounting has same steel sheet (6) between the both sides inner wall of accomodating groove (3), and the bottom both sides of steel sheet (6) all rotate and install universal wheel (7), the bottom of universal wheel (7) extends to the below of U-shaped base (2), the top fixedly connected with screw rod (8) of steel sheet (6), and the threaded sleeve is equipped with pivot (9) on screw rod (8), the top of pivot (9) and the bottom fixed connection of the bearing round steel dish (4) that corresponds, fixed cover is equipped with first sprocket (10) on pivot (9), and fixed mounting has step motor (11) on the bottom inner wall of U-shaped base (2), and output shaft end fixedly connected with second sprocket (12) of step motor (11), and transmission connection has same chain (13) on two first sprockets (10) and second sprocket (12).

2. The online mobile particulate matter monitoring device according to claim 1, wherein the two inner walls of the two sides of the accommodating groove (3) are fixedly connected with two T-shaped slide rails (15), the two sides of the steel plate (6) are respectively provided with two T-shaped slide rails with the tops and the bottoms thereof arranged for opening, the T-shaped slide rails are slidably connected with the corresponding T-shaped slide rails (15), the T-shaped slide rails (15) are fixedly connected with two limit blocks near the corresponding screw rods (8), and the tops of the limit blocks below the two limit blocks on the same T-shaped slide rail (15) are movably contacted with the bottoms of the corresponding steel plate (6).

3. The mobile online particulate matter monitoring device according to claim 1, wherein the inner walls of the two containing grooves (3) close to each other are provided with rectangular holes (14) communicated with the inner side of the U-shaped base (2), the chain (13) is positioned in the two rectangular holes (14), and the inner walls of the rectangular holes (14) are not in contact with the outer sides of the chain (13).

4. The mobile online particulate matter monitoring device according to claim 1, wherein a circular hole is formed at the top of the first chain wheel (10), and the side wall of the circular hole is welded with the outer side of the corresponding rotating shaft (9).

5. The mobile online particulate matter monitoring device according to claim 1, wherein a threaded hole is formed at the bottom end of the rotating shaft (9), and the threaded hole is in threaded connection with the corresponding screw (8).

6. The mobile online particulate matter monitoring device according to claim 1, wherein one and the same bearing is fixedly connected between the inner walls of the two sides of the accommodating groove (3), and the inner side of the inner ring of the bearing is fixedly connected with the outer side of the corresponding bearing round steel disc (4).