CN217951807U

CN217951807U - Stable and convenient vibration reduction mounting device for vehicle-mounted emission testing system

Info

Publication number: CN217951807U
Application number: CN202222269317.8U
Authority: CN
Inventors: 张益民; 徐海峰; 马英磊
Original assignee: Syc Beijing Vehicle Testing Engineering Research Institute Co ltd
Current assignee: Syc Beijing Vehicle Testing Engineering Research Institute Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-02
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to an emission test technical field provides a convenient installation device of stable damping of on-vehicle emission test system, include: chassis, chassis platform, open installation protective frame and damping device, the chassis platform, with chassis fixed connection, the terminal surface of chassis platform is the plane, open installation protective frame with the terminal surface of chassis platform is connected, set up in directly over the chassis platform, open installation protective frame passes through damping device with chassis platform elastic connection, the setting of chassis also is more convenient for have accurate location plane on the whole car curved surface casing of non-road mobile machinery, can effectively avoid test equipment or chassis platform to remove on the whole car curved surface casing of machinery with planar form direct contact non-road, the chassis platform passes through spiral buckle form and damping device installation, can effectively avoid impacting the leading contact member in source because of receiving the reduction of vibrations back pretightning force, the fastening that leads to fails.

Description

Stable and convenient vibration reduction mounting device for vehicle-mounted emission testing system

Technical Field

The utility model relates to an emission test technical field, concretely relates to convenient installation device of stable damping of on-vehicle emission test system.

Background

The non-road mobile machine refers to a non-road mobile machine in use according to the first and the following standards. The method mainly comprises but is not limited to the following types of machinery, such as an excavator, a bulldozer, a loader and the like, corresponding limit requirements on pollutants discharged by non-road mobile machinery are met along with national emission regulations, PEMS tests on the pollutants discharged by the non-road mobile machinery are required, and the tests on the pollutants discharged by the non-road mobile machinery are still in a starting stage, so that PEMS test equipment used in the tests on the pollutants discharged by the non-road mobile machinery is used for testing road vehicles, and inconvenience is caused in the PEMS tests of the non-road mobile machinery due to the large difference between the arrangement of the road vehicles and the non-road vehicles in a complete machine, a power device, an exhaust device, a use working condition and the like, so that whether the integral emission level of the non-road mobile machinery can meet the regulation requirements or not is determined.

The PEMS testing equipment has a complex testing system and a plurality of testing equipment modules, and the exhaust mounting position of the non-road mobile machinery is inconvenient for directly mounting the PEMS testing equipment. At present, most of the existing solutions adopt dispersed installation according to modules or use box body tools provided by test equipment manufacturers. However, in practical application, the split installation may cause the test failure due to the unstable installation caused by the vibration caused by the work of the non-road vehicle or the inertia effect in the movement, and the box body type has poor heat dissipation effect, and the PEMS test equipment has large mass, is inconvenient to transport in the whole box, and needs to be disassembled and transported for many times.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a convenient installation device of stable damping of on-vehicle emission test system to solve prior art, conventional box frock and mounting means can't satisfy the operation requirement, have the problem of not being convenient for to use.

The utility model provides a convenient installation device of stable damping of on-vehicle emission test system, includes:

the underframe is arranged in a frame structure;

the chassis platform is fixedly connected with the chassis, and the end surface of the chassis platform is a plane

The open type installation protection frame is connected with the end face of the underframe platform and arranged right above the underframe platform, and at least one accommodating cavity communicated with the outside is formed in the open type installation protection frame;

and the shock absorption devices are uniformly arranged at the bottom of the open installation protection frame at intervals, and the open installation protection frame is elastically connected with the underframe platform through the shock absorption devices.

According to the utility model provides a pair of convenient installation device of stable damping of on-vehicle emission test system, the chassis is the groined type setting, the chassis includes first dead lever and second dead lever, first dead lever with the axis mutually perpendicular of second dead lever sets up, first dead lever with the second dead lever is equallyd divide and is do not provided with two, two first dead lever and two second dead lever fixed connection.

According to the utility model provides a pair of convenient installation device of stable damping of on-vehicle emission test system, first dead lever is fixed set up in the bottom of second dead lever, adjacent and parallel arrangement two be provided with between the second dead lever the chassis platform.

According to the utility model provides a pair of convenient installation device of stable damping of on-vehicle emission test system, the chassis platform is platelike structure.

According to the utility model provides a pair of convenient installation device of stable damping of on-vehicle emission test system, open installation protection frame is hollow metal crate structure, two have been seted up to open installation protection frame's inside hold the chamber, adjacent two hold the chamber and vertically arrange, adjacent two hold and have the division board between the chamber.

According to the utility model provides a pair of convenient installation device of stable damping of on-vehicle emission test system, open installation protective framework is aluminum alloy frame.

According to the utility model provides a pair of convenient installation device of stable damping of on-vehicle emission test system, open installation protective frame holds and is provided with test module in the chamber, test module includes first test module, second test module and third test module, first test module and second test module set up in being close to the intracavity that holds of chassis platform one side, second test module set up in directly over first test module, third test module set up in keeping away from the intracavity that holds of chassis platform one side.

According to the utility model provides a pair of convenient installation device of stable damping of on-vehicle emission test system, damping device is the pad of moving away to avoid possible earthquakes, damping device with open installation protective frame's bottom fixed connection, damping device's inside is provided with the spring of moving away to avoid possible earthquakes, the chassis platform with damping device passes through the buckle and connects.

The embodiment of the utility model provides a technical scheme can include following beneficial effect:

through the chassis that sets up, can effectively avoid test equipment or chassis board with on the planar form direct contact non-road mobile machinery whole car curved surface casing, cause to form point surface contact or line surface contact, with the spacing to the chassis center of the bulge of non-road mobile machinery whole car curved surface casing, promote positioning accuracy.

Open type installation protective framework has adopted double-deck design, has effectively improved space utilization, simultaneously in the limited platform space of non-road mobile machinery, through double-deck design, arrange the test module equipartition in open type installation protective framework on, avoided the loaded down with trivial details of independent installation, also improved the protection to test equipment simultaneously. The open type installation protection frame changes a box type structure used by a traditional test equipment manufacturer, and the heat dissipation capacity of the open type installation protection frame is greatly improved. The working environment of the testing equipment is improved, and the damage to the testing equipment caused by the working of the non-road mobile mechanical engine and the spontaneous heating of the engine body is avoided. The whole open installation protection frame adopts the aluminum alloy frame, on the basis of not losing the intensity demand, has optimized the heaviness of using the steel construction, has promoted overall structure's installation transportation portability.

The damping device gives up the traditional friction anti-loosening method of a spring gasket or a double nut, adopts the mechanical anti-loosening of the split pin, can effectively avoid that the pre-tightening force is reduced after the vibration impact source is received at the first contact part of the vibration impact source, the fastening failure caused is avoided, the design of the built-in anti-vibration spring is adopted, the vibration transmitted out by the engine is slowed down to a greater extent, the damping device is welded at the bottom of the open installation protection frame, and the damage of the vibration to the test module is slowed down.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

in the drawings: the test system comprises a base frame 1, an open type installation protection frame 2, a first test module 3, a base frame platform 4, a damping device 5, a second test module 6 and a third test module 7.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims, which are further illustrated in the accompanying drawings.

Example 1

The utility model provides a convenient installation device of stable damping of on-vehicle emission test system, includes: the device comprises an underframe 1, an underframe platform 4, an open type installation protection frame 2 and a damping device 5;

as shown in fig. 1, the chassis 1 is arranged in a frame structure; the underframe 1 comprises a first fixed rod and a second fixed rod, the axes of the first fixed rod and the second fixed rod are mutually perpendicular, the first fixed rod and the second fixed rod are respectively provided with two parts, the two first fixed rods are fixedly connected with the two second fixed rods, in the concrete implementation, the first fixed rod is fixedly arranged at the bottom of the second fixed rod, the length of the first fixed rod is greater than that of the second fixed rod, the two longer first fixed rods are arranged at the bottom of the device in parallel, the two shorter second fixed rods are arranged on the two first fixed rods, so that the cross section of the underframe 1 is integrally arranged in a groined shape, and an underframe platform 4 is arranged between the two adjacent and parallel arranged second fixed rods; chassis platform 4 and chassis 1's second dead lever fixed connection, when specifically implementing, it is preferred, the first dead lever and the second dead lever of constituteing chassis 1 are the square steel, chassis 1 is four square steel welding and makes, chassis 1 is used for being fixed in on the non-road mobile machinery, install on non-road mobile machinery driver's cabin or other platforms of automobile body through connection forms such as rings, chassis 1's setting also is more convenient for have accurate locating plane on the whole car curved surface casing of non-road mobile machinery, through four square steel that set up, can effectively avoid test equipment or chassis board with planar form direct contact on the whole car curved surface casing of non-road mobile machinery, cause to form point face contact or line face contact, it is spacing to the chassis center with the bulge of non-road mobile machinery whole car curved surface casing, promote positioning accuracy.

Because whole car shell structure of non-road mobile machinery is mostly the curved surface, can not have definite locating plane when the test equipment installation, consequently set up chassis platform 4 at the top of chassis 1, the terminal surface of chassis platform 4 is the plane, chassis platform 4 is the transversal platelike structure who personally submits the rectangle, the inside wall fixed connection of its both ends and the second dead lever of chassis 1, chassis platform 4 depends on plane fixed connection as the stable of open installation protective frame 2

The bottom of open installation protective frame 2 and chassis platform 4's terminal surface elastic connection, open installation protective frame 2 sets up directly over chassis platform 4, and open installation protective frame 2 changes the box formula structure that traditional test equipment producer used, has greatly promoted its heat-sinking capability. The working environment of the testing equipment is improved, and the damage to the testing equipment caused by the working of the non-road mobile mechanical engine and the spontaneous heating of the engine body is avoided. The whole aluminum alloy frame that adopts of open installation protective frame 2 has optimized the heaviness of using the steel construction on the basis of satisfying the intensity demand, makes the whole lighter-weight of device, has promoted overall structure's installation transportation portability.

The inside of the open installation protection frame 2 is at least provided with an accommodating cavity communicated with the outside, and a test module is arranged in the accommodating cavity; open mount protective framework 2 is hollow aluminum alloy frame construction, open mount protective framework 2's inside has been seted up two and has been held the chamber, adjacent two hold the chamber and vertically arrange, adjacent two hold between the chamber have the division board, through having adopted double-deck design, it is used for placing different test module to set up two and hold the chamber, space utilization has effectively been improved, simultaneously in the limited platform space of non-road mobile machinery, through double-deck design, place the test module equipartition in open mount protective framework 2 in the intracavity that holds of seting up, the loaded down with trivial details of independent installation has been avoided, the protection to test equipment has also been improved simultaneously, test module includes first test module 3, second test module 6 and third test module 7, first test module 3 and second test module 6 set up in the intracavity that holds that is close to chassis platform 4 one side, second test module 6 sets up directly over first test module 3, third test module 7 sets up in the intracavity that holds that keeps away from chassis platform 4 one side, wherein, first test module 3, second test module 6 and third test module 7 are PEMS test equipment's module's subassembly.

Example 2

On the basis of embodiment 1, still include damping device 5, a plurality of damping device 5 even interval sets up in the bottom of open installation protective frame 2, preferably, damping device 5 sets up in the corner department of open installation protective frame 2 bottom, open installation protective frame 2 passes through damping device 5 and chassis platform 4 elastic connection, preferably, damping device 5 is the pad of moving away to avoid possible earthquakes, damping device 5 and the bottom fixed connection of open installation protective frame 2, damping device 5's inside is provided with shock-absorbing spring, damping device 5 has adopted the design of built-in shock-absorbing spring, the vibrations that have passed to by the engine to a great extent have slowed down, damping device 5 welds in 2 open installation protective structure's bottom, it passes through the buckle connection to slow down vibrations chassis platform 4 and damping device 5 to the destruction chassis platform of test module, chassis platform 4 passes through spiral buckle form and damping device 5 installation, except that damping device 5 has built-in shock-absorbing spring, in order to guarantee the reliability of fastening, the machinery locking of split pin has been adopted, can effectively avoid receiving vibrations at the reduction of pretightning force after the primary impact source, the fastening failure that leads to.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a convenient installation device of stable damping of on-vehicle emission test system which characterized in that includes:

the chassis (1) is arranged in a frame structure;

the underframe platform (4) is fixedly connected with the underframe (1), and the end face of the underframe platform (4) is a plane

The open type mounting protection frame (2) is connected with the end face of the underframe platform (4) and arranged right above the underframe platform (4), and at least one accommodating cavity communicated with the outside is formed in the open type mounting protection frame (2);

damping device (5), a plurality of damping device (5) even interval set up in the bottom of open installation protective frame (2), open installation protective frame (2) pass through damping device (5) with chassis platform (4) elastic connection.

2. The vehicle-mounted emission test system stable vibration reduction convenient installation device as claimed in claim 1, wherein the chassis (1) is arranged in a shape like a Chinese character jing, the chassis (1) comprises a first fixing rod and a second fixing rod, axes of the first fixing rod and the second fixing rod are arranged perpendicular to each other, the first fixing rod and the second fixing rod are respectively provided with two, and the two first fixing rods and the two second fixing rods are fixedly connected.

3. The vehicle-mounted emission test system stable vibration reduction convenient installation device as claimed in claim 2, wherein the first fixing rod is fixedly arranged at the bottom of the second fixing rod, and the underframe platform (4) is arranged between two adjacent and parallel second fixing rods.

4. The vehicle-mounted emission test system stable vibration reduction convenient installation device according to claim 3, wherein the underframe platform (4) is of a plate-shaped structure.

5. The vehicle-mounted emission testing system stable vibration reduction convenient installation device according to claim 1, wherein the open installation protection frame (2) is a hollow metal frame structure, two accommodating cavities are formed in the open installation protection frame (2), two adjacent accommodating cavities are longitudinally arranged, and a separation plate is arranged between the two adjacent accommodating cavities.

6. The vehicle-mounted emission testing system stable vibration damping convenient installation device according to claim 5, wherein the open installation protection frame (2) is an aluminum alloy frame.

7. The vehicle-mounted emission test system stable vibration reduction convenient installation device is characterized in that a test module is arranged in a containing cavity of the open installation protection frame (2), the test module comprises a first test module (3), a second test module (6) and a third test module (7), the first test module (3) and the second test module (6) are arranged in the containing cavity close to one side of the chassis platform (4), the second test module (6) is arranged right above the first test module (3), and the third test module (7) is arranged in the containing cavity far away from one side of the chassis platform (4).

8. The vehicle-mounted emission test system stable vibration reduction convenient installation device is characterized in that the damping device (5) is a damping pad, the damping device (5) is fixedly connected with the bottom of the open type installation protection frame (2), a damping spring is arranged inside the damping device (5), and the underframe platform (4) is connected with the damping device (5) through a buckle.