CN212207279U - Non-road mobile machinery exhaust emission detection device - Google Patents
Non-road mobile machinery exhaust emission detection device Download PDFInfo
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- CN212207279U CN212207279U CN202020875801.3U CN202020875801U CN212207279U CN 212207279 U CN212207279 U CN 212207279U CN 202020875801 U CN202020875801 U CN 202020875801U CN 212207279 U CN212207279 U CN 212207279U
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Abstract
The utility model discloses a non-road mobile machinery exhaust emission detection device, relate to exhaust emission detection technical field, it is poor to solve the people-made detection continuity in the current non-road mobile machinery exhaust detection, detect the inconvenient problem of operation, including hollow measuring stick, the one end intercommunication of measuring stick is equipped with the installation cavity, reserve on the installation cavity and leave a plurality of detector mounting holes, the one end that is close to the installation cavity on the measuring stick is equipped with positioning mechanism, positioning mechanism includes the holding ring that the fixed cover is established on the measuring stick, the periphery of holding ring has four at least locating plates along the circumference equipartition, be equipped with compression spring between each locating plate and the holding ring, the locating plate rolls and is connected with the gyro wheel, the one end of keeping away from the installation cavity on the measuring stick is equipped with the fixed establishment of fixing rod and; the utility model discloses simple structure is functional strong, conveniently fixes on the blast pipe, replaces the manual work to detect, conveniently carries out the long time persistence and detects, effectively improves the accuracy of detected value.
Description
Technical Field
The utility model relates to an exhaust emissions detects technical field, in particular to non-road removes machinery exhaust emissions detection device.
Background
With the increasing deterioration of the environment, the national environment protection is more and more important, and especially, the national environment protection puts forward a higher standard requirement on the emission control of the tail gas of a mobile source. Exhaust emissions detection, which is the detection of harmful gases such as carbon monoxide, hydrocarbons and nitrogen oxides, particulates and soot emitted from vehicle exhaust, is becoming of particular importance, and the emission of these pollutants poses a serious threat to human health. The mobile source includes a motor vehicle and a non-road mobile machine, and the non-road mobile machine mainly includes an engineering machine, an agricultural machine, a small-sized general machine, and the like. In recent years, along with the transformation and upgrading of industries and the increase of the prevention and treatment strength of coal and motor vehicle pollution, the emission of non-road mobile machinery is gradually highlighted. The emissions of nitrogen oxides (NOx) and Particulate Matter (PM) from off-road mobile machinery have been comparable to motor vehicles nationwide.
However, there are many limitations to the current detection of exhaust emissions from off-road mobile machinery: on one hand, the non-road mobile machinery has high mobility and is mostly not operated in urban areas, so that the emission detection, especially the monitoring, is difficult, and a management department cannot accurately know the exhaust emission condition of the non-road mobile machinery and can not accurately manage and control the emission of the non-road mobile machinery; on the other hand, the tail gas detection of the non-road mobile machinery needs to manually probe a detection device into an exhaust pipe for detection, and the detection method is lack of convenience and poor in information acquisition continuity, so that the accuracy of a detection result is directly influenced; in addition, the position relation between the detection rod and the tail gas pipe is unstable in the detection process, so that the detection value is influenced; and the detection personnel are easily affected by the harmful effect of the tail gas when carrying out detection work, and the health is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the human detection continuity is poor, detect the inconvenient operation of artificial detection in the current non-road mobile machinery exhaust-gas detection, the utility model provides a replace the non-road mobile machinery exhaust-gas emission detection device who carries out real-time supervision in the non-road mobile machinery exhaust-pipe that can stabilize of manual detection operation.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme: a non-road mobile machinery exhaust emission detection device comprises a hollow detection rod, wherein one end of the detection rod is communicated with an installation cavity, a plurality of detector installation holes are reserved in the installation cavity, one end, close to the installation cavity, of the detection rod is provided with a positioning mechanism, the positioning mechanism comprises a positioning ring fixedly sleeved on the detection rod, at least four positioning plates are uniformly distributed on the periphery of the positioning ring along the circumference, the distances from the positioning plates to the circle center of the positioning ring are equal, a compression spring is arranged between each positioning plate and the positioning ring, one surface, far away from the compression spring, of each positioning plate is connected with a roller in a rolling mode, and the axis line of each roller is perpendicular to the axis line of the detection; and a fixing mechanism for fixing the detection rod and the non-road mobile mechanical exhaust pipe is arranged at one end of the detection rod, which is far away from the installation cavity.
Preferably, fixed establishment includes the fixed plate, the center of fixed plate is equipped with the through-hole that holds the test rod and pass through, the face fretwork of fixed plate, the edge of fixed plate is equipped with the locking of several along same circumference equipartition and detains, the execution of locking knot is served and all is articulated flexible antiskid sheets.
Preferably, the locking buckle comprises a V-shaped locking plate, the included angle of the vertex angle of the locking plate is an obtuse angle, one end of each of the two free ends of the locking plate is hinged to the elastic anti-slip sheet, the other end of each of the two free ends of the locking plate is hinged to the fixing plate, and a spring is arranged at the hinged position of the locking plate and the fixing plate.
Preferably, one surface of the elastic anti-slip sheet, which is far away from the locking buckle, is an arc surface with a concave central line, and the axial line of the arc surface is parallel to the axial line of the detection rod.
Preferably, the elastic anti-slip sheet is made of high-temperature-resistant elastic rubber.
Preferably, the through hole in the center of the fixing plate is provided with an internal thread, the periphery of the detection rod is provided with an external thread, and the detection rod is in threaded connection with the through hole.
Preferably, the detector is a detection sensor, a probe of the detection sensor is fixed on a detector mounting hole of the mounting cavity, and a signal line of the detection sensor penetrates out of the mounting cavity through an inner cavity of the detection rod.
Preferably, a signal line of the detection sensor is connected to a detection control unit arranged in a background, the detection control unit comprises a data memory, a controller and a wireless communication transmitting device, the signal line of the detection sensor is connected with the data memory, the data memory stores detection information sent by the detection sensor, and the controller controls the wireless communication transmitting device to send the detection information in the data memory to a monitoring platform.
The utility model has the advantages as follows:
1. the non-road mobile machinery tail gas emission detection device is provided with the hollow detection rod, one end of the detection rod is communicated with the installation cavity, and a plurality of detector installation holes are reserved on the installation cavity, so that a plurality of detectors can be conveniently installed, and the tail gas can be simultaneously detected by a plurality of components; a positioning mechanism is arranged at one end of the detection rod, which is close to the installation cavity, so that the position of the installation cavity in the exhaust pipe can be conveniently controlled, and the detection effect of the detector is prevented from being influenced by deviation of the installation cavity caused by external force or other factors; keep away from the one end of installation cavity on the gauge rod and be equipped with the fixed establishment with gauge rod and non-road mobile machinery blast pipe, conveniently with gauge rod monolithic stationary on the blast pipe, when further guaranteeing the stability of gauge rod, replace the manual work to detect, avoid the manual work to be close to the blast pipe for a long time, and conveniently carry out the detection of longer time persistence to effectively improve the accuracy of detected value.
2. The utility model discloses a positioning mechanism is through setting up the holding ring, connect a plurality of locating plates of circumference arrangement through compression spring on the holding ring, then set up the gyro wheel on the locating plate, thus, a plurality of gyro wheels support on the inner wall of blast pipe, combine the effort of a plurality of compression springs, make the flexible centre of measuring rod in the blast pipe, avoid the installation cavity off normal, thereby effectively guarantee the normal detection of detector, compression spring possesses elasticity, make whole positioning mechanism be applicable to the blast pipe of different pipe diameters within a certain range on the one hand, effectively guarantee the commonality of measuring rod, on the other hand, compression spring possesses certain shock attenuation, machinery can drive the blast pipe and produce certain vibrations in the course of the work, and the setting of compression spring has effectively alleviated the vibrations of installation cavity on the measuring rod; in addition, the rollers are arranged on the positioning plate, so that the friction force between the positioning plate and the inner wall of the exhaust pipe can be effectively reduced, the detection rod can be conveniently stretched into or taken out of the exhaust pipe, and the whole structure is simple but the functionality is strong.
3. The utility model discloses a fixing mechanism includes the fixed plate, the center of fixed plate is equipped with the through-hole that holds the test bar and pass through, combine together in positioning mechanism, form two point location to the test bar, stability is strong, the face fretwork of fixed plate, do not influence the normal exhaust of blast pipe, the edge of fixed plate is equipped with the locking of several along same circumference equipartition and detains, several locking is detained the locking that can open and shut and is detained on the blast pipe outer wall, make things convenient for the dismouting of test bar and blast pipe, the execution of locking knot is served and all is articulated to have the elasticity antiskid sheets, thus, when locking is detained the straining on the blast pipe outer wall, can effective anti-skidding anticreep, improve the position.
4. The utility model discloses a locking is detained including the locking board of V style of calligraphy, the apex angle contained angle of locking board is the obtuse angle, the wherein one end of two free ends of locking board is articulated with the elasticity antiskid ribbed tile, the other end is articulated with the fixed plate, the locking board is equipped with the spring with the articulated department of fixed plate, the locking of the applicable blast pipe in different apertures in the certain limit of the locking board of V style of calligraphy, effectively guarantee the commonality, the one side that the locking was detained is kept away from to the elasticity antiskid ribbed tile is the cambered surface of central line indent, then the area of contact of elasticity antiskid ribbed tile and blast pipe surface has effectively been improved, further improve the structural stability after the.
5. The utility model discloses a through-hole at fixed plate center is equipped with the internal thread, and the periphery of measuring stick is equipped with the external screw thread, measuring stick and through-hole threaded connection, and like this, rotatory measuring stick just can adjust the degree of depth that the measuring stick stretched into the blast pipe in a flexible way, is applicable to the different degree of depth and detects the demand.
6. The utility model discloses the preferred detection sensor that is preferred to the detector, and the signal line that detects the sensor is connected to the detection control unit that the backstage set up, and preferred detection control unit includes data memory, controller and wireless communication emitter, the signal line that detects the sensor is connected with data memory, data memory storage the detection information that detection sensor sent out, the controller control wireless communication emitter will detection information in the data memory sends for monitoring platform, and like this, the information that the front end detected can be sent for monitoring platform through detection control unit in real time, and monitoring platform can in time accurately know non-road and remove mechanical exhaust emission situation, is convenient for implement the management to the emission of non-road removal machinery.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a side view of the securing mechanism of the present invention;
fig. 3 is a side view of the positioning mechanism of the present invention.
Reference numerals: 1-exhaust pipe, 2-detection rod, 3-roller, 4-positioning plate, 5-compression spring, 6-positioning ring, 7-mounting cavity, 8-mounting hole, 9-detection sensor, 10-elastic anti-slip sheet, 11-locking plate, 12-fixing plate, 13-external thread, 14-through hole, 15-central plate and 16-sector vent hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 and fig. 2, the present embodiment provides a non-road mobile machinery exhaust emission detection device, which includes a hollow detection rod 2, a mounting cavity 7 is provided at the right end of the detection rod 2, a plurality of detector mounting holes 8 are reserved on the mounting cavity 7, a positioning mechanism is provided at one end of the detection rod 2 close to the mounting cavity 7, the positioning mechanism includes a positioning ring 6 fixedly sleeved on the detection rod 2, four positioning plates 4 are uniformly distributed on the periphery of the positioning ring 6 along the circumference, the distances from the four positioning plates 4 to the center of the positioning ring 6 are equal, a compression spring 5 is provided between each positioning plate 4 and the positioning ring 6, in order to ensure the stability, four compression springs 5 are provided between each positioning plate 4 and the positioning ring 6, the four compression springs 5 are distributed in a rectangular shape, and a roller 3 is connected to one side of the positioning plate 4 away from the, two rollers 3 are arranged on each positioning plate 4, the axial lead of the two rollers 3 is vertical to the axial lead of the detection rod 2, and the wheel bodies of the two rollers 3 are positioned on the same straight line; the left end of the detection rod 2 is provided with a fixing mechanism for fixing the detection rod 2 and the non-road mobile machinery exhaust pipe 1.
When the utility model is used, the detector is installed on the installation cavity 7, the four positioning plates 4 are compressed to enable the right end of the detection rod 2 to extend into the exhaust pipe 1 and push the right end into the exhaust pipe 1 to a preset detection position, and after the detection rod extends into the exhaust pipe 1, the rollers 3 are supported on the inner wall of the exhaust pipe 1 and are combined with the acting force of the compression springs 5, so that the detection rod 2 is flexibly centered in the exhaust pipe 1, the deviation of the installation cavity 7 is avoided, and the normal detection of the detector is effectively ensured; after the detection rod 2 extends into the exhaust pipe 1 and is in place, the detection rod 2 is fixed on the exhaust pipe 1 through a fixing mechanism, the line body of the detector is led out through the inner cavity of the detection rod 2 and is connected to the background association equipment, and different detectors can be installed on the installation cavity 7 to meet different detection requirements.
Example 2
As shown in fig. 1 and fig. 3, the present embodiment is further optimized based on embodiment 1, specifically:
fixing mechanism includes fixed plate 12, the center of fixed plate 12 is equipped with the through-hole 14 that holds detection pole 2 and pass through, the face fretwork of fixed plate 12, in this embodiment, the fretwork has the fan-shaped air vent 16 of several on the board body of fixed plate 12, and the center of fixed plate 12 forms well core plate 15, and through-hole 14 sets up on well core plate 15, and the edge of fixed plate 12 is equipped with four locks of following same circumference equipartition and detains, and the execution of locking knot is served and all is articulated elastic anti-slip sheet 10, and elastic anti-slip sheet 10's material is high temperature resistant elastic rubber.
In this embodiment, the locking is detained and is included the locking plate 11 of V style of calligraphy, and the apex angle contained angle of locking plate 11 is the obtuse angle, and wherein one end of two free ends of locking plate 11 is articulated with elastic anti-skidding piece 10, and the other end is articulated with fixed plate 12, and locking plate 11 is equipped with the spring with the articulated department of fixed plate 12, and the articulated locking mechanism that the locking was detained refers to the current spring locking in market and detains can. The surface of the elastic anti-slip sheet 10 far away from the locking buckle is an arc surface with a concave central line, and the axial lead of the arc surface is parallel to the axial lead of the detection rod 2, so that the contact area between the elastic anti-slip sheet 10 and the outer surface of the exhaust pipe 1 is effectively increased, and the structural stability after locking is further improved.
Example 3
As shown in fig. 1, the present embodiment is further optimized on the basis of embodiments 1 and 2, specifically:
the through hole 14 in the center of the fixing plate 12 is provided with internal threads, the periphery of the detection rod 2 is provided with external threads 13, and the detection rod 2 is in threaded connection with the through hole 14.
Example 4
The embodiment is further optimized on the basis of the embodiments 1 and 2, and specifically comprises the following steps:
the detector is detection sensor 9, detection sensor 9's probe is fixed on the detector mounting hole 8 of installation cavity 7, and detection sensor 9's signal line is worn out through the inner chamber of detection pole 2 in installation cavity 7. The signal line of the detection sensor 9 is connected to a detection control unit arranged in a background, the detection control unit comprises a data storage, a controller and a wireless communication transmitting device, the signal line of the detection sensor 9 is connected with the data storage, the data storage stores detection information sent by the detection sensor 9, and the controller controls the wireless communication transmitting device to send the detection information in the data storage to a monitoring platform. It should be noted that, the detection sensor 9 may select a market product according to actual detection requirements, without unique limitation, the controller may select an industrial personal computer, a PLC controller, or the like according to requirements, so as to meet the use requirements, without unique limitation on specific models, and the controller controls the application of the sensor, the data storage, and the wireless communication transmitting device, which belongs to the basic conventional application means, and is not described herein again.
Claims (8)
1. A non-road mobile machinery exhaust emission detection device comprises a hollow detection rod (2), it is characterized in that one end of the detection rod (2) is communicated with a mounting cavity (7), a plurality of detector mounting holes (8) are reserved on the mounting cavity (7), one end of the detection rod (2) close to the mounting cavity (7) is provided with a positioning mechanism, the positioning mechanism comprises a positioning ring (6) fixedly sleeved on the detection rod (2), at least four positioning plates (4) are uniformly distributed on the periphery of the positioning ring (6) along the circumference, the distances from the positioning plates (4) to the circle center of the positioning ring (6) are equal, a compression spring (5) is arranged between each positioning plate (4) and the positioning ring (6), one surface of the positioning plate (4) far away from the compression spring (5) is connected with a roller (3) in a rolling way, the axis of the roller (3) is vertical to the axis of the detection rod (2); and a fixing mechanism for fixing the detection rod (2) and the non-road mobile mechanical exhaust pipe (1) is arranged at one end of the detection rod (2) far away from the installation cavity (7).
2. The device for detecting the exhaust emission of the off-road mobile machinery according to claim 1, wherein the fixing mechanism comprises a fixing plate (12), a through hole (14) for allowing the detection rod (2) to pass through is formed in the center of the fixing plate (12), the surface of the fixing plate (12) is hollow, a plurality of locking buckles are uniformly distributed along the same circumference are arranged on the edge of the fixing plate (12), and elastic anti-slip sheets (10) are hinged to executing ends of the locking buckles.
3. The device for detecting the exhaust emission of the off-road mobile machinery according to claim 2, wherein the locking buckle comprises a V-shaped locking plate (11), the included angle of the vertex angle of the locking plate (11) is an obtuse angle, one of two free ends of the locking plate (11) is hinged with the elastic anti-slip sheet (10), the other free end of the locking plate (11) is hinged with the fixed plate (12), and a spring is arranged at the hinged position of the locking plate (11) and the fixed plate (12).
4. The device for detecting the exhaust emission of the off-road mobile machinery as claimed in claim 2 or 3, wherein one surface of the elastic anti-slip sheet (10) away from the locking buckle is an arc surface with a concave center line, and the axis of the arc surface is parallel to the axis of the detection rod (2).
5. The device for detecting the exhaust emission of the off-road mobile machinery as claimed in claim 2, wherein the elastic anti-slip sheet (10) is made of high temperature resistant elastic rubber.
6. The device for detecting the exhaust emission of the off-road mobile machinery as claimed in claim 2, wherein the through hole (14) in the center of the fixing plate (12) is provided with an internal thread, the outer periphery of the detection rod (2) is provided with an external thread (13), and the detection rod (2) is in threaded connection with the through hole (14).
7. The device for detecting the exhaust emission of the off-road mobile machinery according to claim 1, wherein the detector is a detection sensor (9), a probe of the detection sensor (9) is fixed on a detector mounting hole (8) of the mounting cavity (7), and a signal line of the detection sensor (9) penetrates out of the mounting cavity (7) through an inner cavity of the detection rod (2).
8. The device for detecting the exhaust emission of the off-road mobile machinery according to claim 7, wherein a signal line of a detection sensor (9) is connected to a detection control unit arranged in a background, the detection control unit comprises a data memory, a controller and a wireless communication transmitting device, the signal line of the detection sensor (9) is connected with the data memory, the data memory stores detection information sent by the detection sensor (9), and the controller controls the wireless communication transmitting device to send the detection information in the data memory to a monitoring platform.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020875801.3U CN212207279U (en) | 2020-05-22 | 2020-05-22 | Non-road mobile machinery exhaust emission detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020875801.3U CN212207279U (en) | 2020-05-22 | 2020-05-22 | Non-road mobile machinery exhaust emission detection device |
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| CN212207279U true CN212207279U (en) | 2020-12-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113612826A (en) * | 2021-06-04 | 2021-11-05 | 北京联合大学 | High-emission vehicle comprehensive integrated monitoring Internet of things device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113612826A (en) * | 2021-06-04 | 2021-11-05 | 北京联合大学 | High-emission vehicle comprehensive integrated monitoring Internet of things device |
| CN113612826B (en) * | 2021-06-04 | 2023-11-28 | 北京联合大学 | High-emission vehicle comprehensive integrated monitoring Internet of things device |
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