CN216656993U - PEMS equipment assembly fixture - Google Patents

Abstract

The utility model relates to the technical field of vehicle exhaust gas detection, and discloses a PEMS equipment assembling tool, which comprises a base and a support frame arranged on the top of the base. 45cm, the left and right sides of the support frame are fixed with a first power device and a second power device, the first power device is connected with a first telescopic rod arranged along the X axis, and the second power device is connected with a second telescopic rod arranged along the X axis rod, the first telescopic rod can be extended and retracted relative to the support frame along the X axis under the drive of the first power device, the second telescopic rod can be extended and retracted relative to the support frame along the X axis under the drive of the second power device, and the front side of the support frame is connected There are pitot tube mounts for assembling the pitot tube. Compared with the prior art, the PEMS equipment assembly tooling significantly reduces the installation difficulty of the PEMS equipment and improves the work efficiency; the support frame is fixed by using the telescopic rod against the trunk to ensure the stability of the PEMS equipment and the measurement accuracy.

Description

A PEMS equipment assembly tooling

technical field

The utility model relates to the field of vehicle exhaust gas detection, in particular to a PEMS equipment assembly tool.

Background technique

With the continuous increase in the number of motor vehicles, the problem of motor vehicle pollutants is also becoming more and more serious. In order to accurately obtain the exhaust emission of motor vehicles, it is required by law to conduct a real driving emission test on the vehicle. In addition, due to the complex road conditions of the motor vehicle during the driving process, the emissions are greatly affected by the actual road conditions. In the actual test, the emission detection equipment PEMS (portable emissions measurement system) needs to be installed on the motor vehicle to detect the actual driving process of the motor vehicle. emissions and characteristics in .

Most of the actual driving pollutant emission tests carried out at present place the PEMS equipment in the trunk of the vehicle, and connect the engine tail pipe and the sampling port of the PEMS equipment through a special pitot tube. However, there are differences in the trunk space, opening method, size and chassis layout of each model, which makes the PEMS equipment unable to effectively adapt to various models, and the installation is difficult, which reduces the work efficiency; at the same time, the PEMS equipment and the pitot tube are placed in the vehicle. The trunk cannot be firmly bound to the vehicle. In the actual road driving process, the PEMS equipment is prone to shaking due to the uneven road surface, which affects the measurement accuracy. In extreme cases, such as sudden braking, the PEMS equipment may collide with the vehicle body and cause PEMS. Equipment damage; in addition, most of the pitot tubes are fixed with iron wires, and the tightening effect is poor. The bumps during driving may also cause the pitot tubes to fall. In some climbing sections, it may cause risks such as the bottom of the pitot tubes, resulting in the failure of the test.

Utility model content

In order to solve the above technical problems, the purpose of the present utility model is to provide a PEMS equipment assembly tool, which has the advantages of simple and reliable structure, excellent fixing effect and the like.

Based on this, the present invention provides a PEMS equipment assembling tool, which includes a base and a support frame arranged on the top of the base, the support frame has an installation groove for assembling the PEMS equipment, and the left and right sides of the support frame are provided. A first power device and a second power device are fixed on the side, the first power device is connected with a first telescopic rod arranged along the X axis, and the second power device is connected with a second telescopic rod arranged along the X axis, so The first telescopic rod can be extended and retracted relative to the support frame along the X-axis under the driving of the first power device, and the second telescopic rod can be relative to the support along the X-axis under the driving of the second power device The frame is retractable, and the front side of the support frame is connected with a pitot tube mounting frame for assembling the pitot tube.

In some embodiments of the present application, the pitot tube mounting frame includes a horizontal bar arranged along the Y axis and a vertical bar arranged along the Z axis, and one end of the horizontal bar is fixedly connected to the support frame through a third power device, The horizontal bar can move up and down along the Z-axis under the driving of the third power device, the other end of the horizontal bar is provided with a fourth power device, and the vertical bar communicates with the horizontal bar through the fourth power device. The rods are connected and can move up and down along the Z-axis under the driving of the fourth power device, and the bottom end of the vertical rod is connected with an assembly plate for fixing the pitot tube.

In some embodiments of the present application, there are more than two cross bars, and the support frame is provided with a fourth power device matching the number of the cross bars.

In some embodiments of the present application, a fifth power device is fixed on the rear side of the support frame, the fifth power device is connected with a fifth telescopic rod arranged along the Y axis, and the fifth telescopic rod can The fifth power device is driven to extend and retract relative to the support frame along the Y axis.

In some embodiments of the present application, a buffer block is provided at one end of the first telescopic rod, the second telescopic rod and the fifth telescopic rod away from the support frame.

In some embodiments of the present application, there are more than two first telescopic rods, and the support frame is provided with first power devices matching the number of the first telescopic rods.

In some embodiments of the present application, there are more than two second telescopic rods, and the support frame is provided with second power devices matching the number of the second telescopic rods.

In some embodiments of the present application, there are more than two fifth telescopic rods, and the support frame is provided with fifth power devices matching the number of the fifth telescopic rods.

In some embodiments of the present application, the length of the installation groove is 55 cm, the width is 35 cm, and the height is 45 cm.

In some embodiments of the present application, the first power plant, the second power plant and the fifth power plant are electric motors.

The embodiment of the present utility model provides a PEMS equipment assembly tool, and compared with the prior art, its beneficial effects are:

The embodiment of the present invention provides a PEMS equipment assembling tool, which includes a base and a support frame arranged on the top of the base, and the support frame has an installation groove for assembling the PEMS equipment. In the embodiment of the present invention, the size of the installation groove is Corresponding to common PEMS equipment, the length of the installation groove is preferably 55cm, the width is preferably 35cm, and the height is preferably 45cm; further, the left and right sides of the support frame are fixed with a first power unit and a second power unit. The device is connected with a first telescopic rod arranged along the X-axis, the second power device is connected with a second telescopic rod arranged along the X-axis, and the first telescopic rod can be extended and retracted relative to the support frame along the X-axis under the driving of the first power device, The second telescopic rod can be extended and retracted relative to the support frame along the X axis under the driving of the second power device, and the front side of the support frame is connected with a pitot tube mounting frame for assembling the pitot tube. Based on the above structure, the entire PEMS equipment assembly tool is placed in the trunk of the vehicle during use, and the base is against the bottom surface of the trunk to activate the first power unit and the second power unit, the first telescopic rod and the second telescopic rod. It protrudes outward and finally abuts against the side wall of the trunk of the vehicle. At this time, the support frame is fixed in the trunk of the vehicle under the action of the base, the first telescopic rod and the second telescopic rod, and then in the installation slot of the support frame. Install the PEMS equipment, and finally set the pitot tube to connect the PEMS equipment and fix the pitot tube on the pitot tube mounting bracket to complete the assembly of the PEMS equipment. In this way, the PEMS equipment assembling tooling provided by the present invention solves the installation problem of the PEMS equipment, significantly reduces the installation difficulty of the PEMS equipment, and is beneficial to improve the work efficiency; further, the size of the installation groove is matched with the PEMS equipment, which can be very good. At the same time, the telescopic rod is used to fix the support frame of the trunk to ensure that the PEMS equipment is stable on the vehicle and does not run, which ensures the measurement accuracy and avoids equipment collision and damage caused by braking and other working conditions; in addition, the pitot tube The installation is also stable and reliable, and the Pitot tube will not fall off.

Description of drawings

Fig. 1 is the front view of the PEMS equipment assembly tooling of the utility model embodiment;

Fig. 2 is the side view of the PEMS equipment assembling tooling of the utility model embodiment;

3 is a top view of a PEMS equipment assembling tool according to an embodiment of the present invention.

In the figure, 1, the base; 2, the support frame; 21, the installation slot; 22, the first power unit; 23, the first telescopic rod; 24, the second power unit; 25, the second telescopic rod; 26, the fifth power device; 27, the fifth telescopic rod; 28, the buffer block; 3, the pitot tube mounting frame; 31, the horizontal rod; 32, the vertical rod; 33, the third power unit; 34, the fourth power unit; 35, the assembly plate; 4. PEMS equipment.

Detailed ways

The specific embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

It should be understood that the terms "front", "rear" and the like are used in the present invention to describe various information, but these terms should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, "before" information may also be referred to as "post" information, and "post" information may also be referred to as "before" information without departing from the scope of the present invention. In the embodiment of the present invention, in order to better describe the PEMS equipment assembly tooling, the left and right directions of the support frame are defined as the X axis, the front and rear directions of the support frame are defined as the Y axis, and the up and down directions of the support frame are defined as For the Z axis, see Figures 1 to 3 for details.

As shown in FIGS. 1 to 3 , an embodiment of the present invention provides a PEMS equipment assembling tool, which includes a base 1 and a support frame 2 arranged on the top of the base 1 , and the support frame 2 has a mounting for assembling the PEMS equipment 4 The groove 21, in the embodiment of the present utility model, the size of the installation groove 21 corresponds to the common PEMS equipment 4, the length of the installation groove 21 is preferably 55cm, the width is preferably 35cm, and the height is preferably 45cm; further, the support frame 2 A first power device 22 and a second power device 24 are fixed on the left and right sides, the first power device 22 is connected with a first telescopic rod 23 arranged along the X axis, and the second power device 24 is connected with a second power device 23 arranged along the X axis. The telescopic rod 25, the first telescopic rod 23 can be extended and retracted relative to the support frame 2 along the X axis under the driving of the first power device 22, and the second telescopic rod 25 can be driven by the second power device 24 relative to the support frame 2 along the X axis Telescopic, the front side of the support frame 2 is connected with a pitot tube mounting frame 3 for assembling the pitot tube.

Based on the above structure, the entire PEMS equipment assembly tool is placed in the trunk of the vehicle when in use. At this time, the base 1 is against the bottom surface of the trunk, and the first power unit 22 and the second power unit 24 are activated, and the first telescopic rod 23 and the The second telescopic rod 25 protrudes outward and finally abuts against the side wall of the trunk of the vehicle. At this time, the support frame 2 is fixed in the trunk of the vehicle under the action of the base 1 , the first telescopic rod 23 and the second telescopic rod 25 Then, install the PEMS device 4 in the installation groove 21 of the support frame 2 , and finally set the pitot tube to connect the PEMS device 4 and fix the pitot tube on the pitot tube mounting frame 3 to complete the assembly of the PEMS device 4 . In this way, the PEMS equipment assembling tool provided by the present invention solves the installation problem of the PEMS equipment 4, significantly reduces the installation difficulty of the PEMS equipment 4, and is beneficial to improve work efficiency; further, the size of the installation groove 21 is matched with the PEMS equipment 4. , can well fix the PEMS equipment 4, and at the same time use the telescopic rod to abut the trunk to fix the support frame 2 to ensure that the PEMS equipment 4 is stable on the vehicle and does not run, guarantees the measurement accuracy, and avoids the equipment caused by braking and other conditions. Collision damage; in addition, the installation of the pitot tube is also stable and reliable, and the pitot tube will not fall off.

Further, for the pitot tube mounting frame 3 of the present application, it includes a cross bar 31 arranged along the Y axis and a vertical bar 32 arranged along the Z axis. The frame 2 is fixedly connected, the cross bar 31 can move up and down along the Z axis under the driving of the third power device 33, the other end of the cross bar 31 is provided with a fourth power device 34, and the vertical bar 32 is connected to the cross bar through the fourth power device 34. 31 is connected and can move up and down along the Z-axis under the driving of the fourth power device 34, and the bottom end of the vertical rod 32 is connected with an assembly plate 35 for setting the pitot tube.

Based on the above structure, the operator can adjust the position of the cross bar 31 in time through the third power device 33 and make it level with the platform of the trunk, so as to avoid collision and conflict with the platform due to the low cross bar 31, which may affect the whole During the normal use of the tooling, the assembly plate 35 can move up and down along the Z-axis under the drive of the vertical rod 32. The operator can adjust the height of the assembly plate 35 in time according to the actual use situation, so as to avoid the occurrence of pitot tubes in some climbing sections. situation, reduce the use risk of the PEMS equipment 4, and improve the use experience of the operator.

Optionally, as shown in FIG. 3 , for the pitot tube mounting frame 3 of the present application, more than two cross bars 31 may be provided, and several cross bars 31 simultaneously complete the mounting of the vertical bars 32 and the assembly plate 35 . At the same time, in order to ensure the normal operation of the cross bars 31 , the support frame 2 is provided with a fourth power device 34 matching the number of the cross bars 31 . Of course, a collection piece can also be provided to integrate the crossbars 31 and then connect them to a single fourth power device 34 , and the operation of the crossbars 31 can also be controlled.

Optionally, in some embodiments of the present application, a fifth power device 26 is fixed on the rear side of the support frame 2 , the fifth power device 26 is connected with a fifth telescopic rod 27 arranged along the Y axis, and the fifth telescopic rod 27 It can be extended and retracted relative to the support frame 2 along the Y axis under the drive of the fifth power device 26 . In this way, the fifth telescopic rod 27 is set again on the basis of the first telescopic rod 23 and the second telescopic rod 25, and the first telescopic rod 23, the second telescopic rod 25 and the fifth telescopic rod 27 abut against the four walls of the trunk at the same time , which can further improve the fixing effect of the support frame 2 and improve the use experience of the operator. Further, for the first telescopic rod 23, the second telescopic rod 25 and the fifth telescopic rod 27, in order to ensure the tightening effect on the support frame 2, the above structure can also be provided with more than two. At this time, in order to ensure the PEMS In the normal operation of the equipment assembly tool, the support frame 2 is also provided with the first power device 22, the second telescopic rod 25 and the second power device 24, and the fifth telescopic rod 27 and the fifth telescopic rod 27 and the fifth telescopic rod 23. The number of power devices 26 also needs to be in a one-to-one correspondence. Of course, the first telescopic rod 23 , the second telescopic rod 25 and the fifth telescopic rod 27 can also be assembled by multiple sets of assembly elements, and then a separate power device can be used to control the multiple telescopic rods. Specifically, in the embodiment of the present invention, there are two first telescopic rods 23 , second telescopic rods 25 and fifth telescopic rods 27 , the first power device 22 , the second power device 24 and the fifth power device 26 also has two.

Further, in the embodiment of the present invention, the first power unit 22 , the second power unit 24 and the fifth power unit 26 are preferably motors, which have a common structure and are beneficial to control production costs. Of course, each power unit may also preferably be a structure such as a hydraulic cylinder.

It should be noted that the purpose of the telescopic mechanism formed by each telescopic rod and the power unit is to change the length of each telescopic rod to realize the fixed connection between the support frame 2 and the trunk of the vehicle, so on the premise of ensuring the above technical effect, the telescopic mechanism also There are many other forms, which will not be repeated here.

Optionally, in some embodiments of the present application, a buffer block 28 is provided at one end of the first telescopic rod 23 , the second telescopic rod 25 and the fifth telescopic rod 27 away from the support frame 2 . The buffer block 28 can increase the contact area between each telescopic rod and the four walls of the trunk of the vehicle, reduce the contact pressure, avoid damage due to excessive pressure on the contact surface, improve the fixing effect of each telescopic rod on the support frame 2, and optimize the use experience.

To sum up, the utility model provides a PEMS equipment assembly tool, which includes a base and a support frame arranged on the top of the base, the support frame has an installation groove, the length of the installation groove is 55cm, the width is 35cm, and the height is 45cm. The left and right sides of the support frame are fixed with a first power device and a second power device, the first power device is connected with a first telescopic rod arranged along the X axis, and the second power device is connected with a second telescopic rod arranged along the X axis, The first telescopic rod can be extended and retracted relative to the support frame along the X-axis under the driving of the first power device, and the second telescopic rod can be extended and retracted relative to the support frame along the X-axis under the driving of the second power device. Pitot tube mount for assembling the pitot tube. Compared with the prior art, the PEMS equipment assembly tooling solves the installation problem of the PEMS equipment, significantly reduces the installation difficulty of the PEMS equipment, and is beneficial to improve the work efficiency; the size of the installation groove matches the PEMS equipment, and can be well fixed At the same time, the PEMS equipment uses a telescopic rod against the trunk to fix the support frame to ensure that the PEMS equipment is stable on the vehicle and does not run, which ensures the measurement accuracy and avoids equipment collision and damage caused by braking and other working conditions; in addition, the installation of pitot tubes Also stable and reliable, there will be no pitot tube drop.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and replacements can be made. These improvements And replacement should also be regarded as the protection scope of the present invention.

Claims (10)

1. a PEMS equipment assembling tool, it is characterized in that, comprise base and the support frame that is arranged on the top of described base, described support frame has the installation groove that is used for assembling PEMS equipment, and the left and right sides of described support frame are fixed with A first power device and a second power device, the first power device is connected with a first telescopic rod arranged along the X axis, the second power device is connected with a second telescopic rod arranged along the X axis, the first The telescopic rod can be extended and retracted relative to the support frame along the X-axis under the driving of the first power device, and the second telescopic rod can be extended and retracted relative to the support frame along the X-axis under the driving of the second power device, The front side of the support frame is connected with a pitot tube mounting frame for assembling the pitot tube. 2. The PEMS equipment assembling tool according to claim 1, wherein the pitot tube mounting frame comprises a horizontal bar arranged along the Y axis and a vertical bar arranged along the Z axis, and one end of the horizontal bar passes through the third The power device is fixedly connected with the support frame, the cross bar can move up and down along the Z axis under the driving of the third power device, the other end of the cross bar is provided with a fourth power device, and the vertical bar passes through The fourth power device is connected with the horizontal rod and can move up and down along the Z axis under the driving of the fourth power device, and the bottom end of the vertical rod is connected with an assembly plate for fixing the pitot tube. 3 . The PEMS equipment assembling tool according to claim 2 , wherein there are more than two cross bars, and the support frame is provided with a fourth power device matching the number of the cross bars. 4 . 4. The PEMS equipment assembling tool according to claim 1, wherein a fifth power device is fixed on the rear side of the support frame, and the fifth power device is connected with a fifth telescopic rod arranged along the Y axis, The fifth telescopic rod can be extended and retracted relative to the support frame along the Y axis under the driving of the fifth power device. 5 . The PEMS equipment assembling tool according to claim 4 , wherein a buffer block is provided at one end of the first telescopic rod, the second telescopic rod and the fifth telescopic rod away from the support frame. 6 . 6 . The PEMS equipment assembling tool according to claim 1 , wherein the first telescopic rod is provided with more than two, and the support frame is provided with a first telescopic rod matching the number of the first telescopic rod. 7 . powerplant. 7 . The PEMS equipment assembling tool according to claim 1 , wherein the second telescopic rod is provided with more than two, and the support frame is provided with a second telescopic rod that matches the number of the second telescopic rod. 8 . powerplant. 8 . The PEMS equipment assembling tool according to claim 4 , wherein the fifth telescopic rod is provided with more than two, and the support frame is provided with a fifth telescopic rod matching the number of the fifth telescopic rod. 9 . powerplant. 9 . The PEMS equipment assembling tool according to claim 1 , wherein the length of the installation groove is 55 cm, the width is 35 cm, and the height is 45 cm. 10 . 10 . The PEMS equipment assembly tool according to claim 4 , wherein the first power device, the second power device and the fifth power device are motors. 11 .

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