Rack exhaust pipe adjusting device

Abstract

The utility model discloses a rack exhaust pipe adjusting device, which belongs to the technical field of exhaust pipe installation, solves the technical problem that the existing rack exhaust pipe cannot be adjusted, and comprises a fixed cross beam used for installing the exhaust pipe, a control module, a first sliding rail arranged at the top of the fixed cross beam and a second sliding rail arranged at the bottom of the fixed cross beam, the first sliding rail is provided with a first sliding table, the first sliding table is provided with a movable cross beam extending along the exhaust pipe, the bottom of the movable cross beam is provided with a flexible connecting piece connected with the exhaust pipe, and the top of the fixed cross beam is provided with a first driving mechanism for driving the first sliding table to reciprocate; the top of the movable cross beam is provided with a connecting frame and a second driving mechanism for driving the connecting frame to move up and down, and the lower end of the connecting frame is connected with an exhaust pipe provided with a corrugated pipe; the control module is electrically connected with the first driving mechanism and the second driving mechanism. The vertical height and the horizontal position of the exhaust pipe can be conveniently adjusted through the first driving mechanism and the second driving mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of exhaust pipe installation, and more specifically, to a bench exhaust pipe regulating device. Background Art

[0002] The role of engine bench test: Various engine performance indicators, parameters and various characteristic curves are measured on the engine test bench according to the prescribed test methods.

[0003] The exhaust pipe of the test bench is used to discharge the exhaust gas of the engine during the test to a designated point outdoors. Currently, the exhaust pipe of the test bench is fixedly installed on the top of the test bench, and a hose for connecting to the engine is provided at the bottom of the exhaust pipe. In order to save costs, engine manufacturers usually use one test bench to test different models.

[0004] At present, the exhaust pipes of the test bench are fixedly installed on the fixed beam above the test bench, which is not convenient to adjust. When testing different models, there may be interference. At this time, the only option is to adjust the installation position of the engine and extend the hose to connect the engine. The adjustment is inconvenient and affects the test efficiency. Utility Model Content

[0005] The technical problem to be solved by the utility model is aimed at the above-mentioned deficiencies in the prior art, and the purpose of the utility model is to provide a bench exhaust pipe regulating device.

[0006] The technical solution of the utility model is: it includes a fixed beam for installing an exhaust pipe, the fixed beam is located above the exhaust pipe, and also includes a control module, the top of the fixed beam is provided with a first slide rail, the first slide rail is provided with a first slide, the first slide is provided with a movable beam extending along the exhaust pipe, the bottom of the movable beam is provided with a flexible connector connected to the exhaust pipe, the top of the fixed beam is provided with a first driving mechanism for driving the first slide to reciprocate, the top of the movable beam is provided with a connecting frame and a second driving mechanism for driving the connecting frame to move up and down, the lower end of the connecting frame is connected to the exhaust pipe, and the exhaust pipe is provided with a bellows; the control module is electrically connected to the first driving mechanism and the second driving mechanism.

[0007] As a further improvement, the first driving mechanism and the second driving mechanism are oil cylinders or electric push rods.

[0008] Furthermore, the flexible connecting member is a chain or a steel wire rope.

[0009] Furthermore, the connecting frame is a U-shaped frame, the movable crossbeam is located in the U-shaped frame, and both sides of the U-shaped frame extend downward and connect to the top of the exhaust pipe.

[0010] Furthermore, the control module is a PLC controller or a single-chip microcomputer or an industrial computer.

[0011] Furthermore, a second slide rail is provided on the top of the movable crossbeam, the second slide rail is provided with a second slide, the second driving mechanism is installed on the second slide, and a third driving mechanism for driving the second slide to reciprocate is provided on the top of the movable crossbeam, and the control module is electrically connected to the third driving mechanism.

[0012] Furthermore, the third driving mechanism is an oil cylinder or an electric push rod.

[0013] Furthermore, it also includes a protective bracket located below the exhaust pipe.

[0014] Beneficial Effects

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] The utility model can conveniently adjust the upper and lower heights and the horizontal position of the exhaust pipe through the first driving mechanism and the second driving mechanism, without adjusting the installation position of the engine, thereby improving the working efficiency of the test stand for replacing different models and greatly improving the compatibility rate of the test stand. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the actual installation of the exhaust pipe of the utility model;

[0018] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 3 It is a left-side structural schematic diagram of the utility model.

[0020] Among them: 1-exhaust pipe, 2-fixed beam, 3-first slide rail, 4-first slide, 5-movable beam, 6-flexible connector, 7-first drive mechanism, 8-connecting frame, 9-second drive mechanism, 10-bellows, 11-second slide rail, 12-second slide, 13-third drive mechanism, 14-protective bracket, 15-ear plate, 16-first connecting plate, 17-second connecting plate, 18-hose. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.

[0022] See also Figure 1 to Figure 3, a bench exhaust pipe adjustment device, including a fixed crossbeam 2 for mounting an exhaust pipe 1, the fixed crossbeam 2 is mounted on a wall, the fixed crossbeam 2 is located above the exhaust pipe 1, and a hose 18 for connecting the exhaust pipe of the engine is provided at the bottom of the exhaust pipe 1. The device also includes a control module. A first slide rail 3 is provided at the top of the fixed crossbeam 2, a first slide platform 4 is provided at the first slide platform 4, a movable crossbeam 5 extending along the exhaust pipe 1 is provided at the bottom of the movable crossbeam 5, a flexible connector 6 connected to the exhaust pipe 1 is provided at the bottom of the movable crossbeam 5, a first driving mechanism 7 for driving the first slide platform 4 to reciprocate is provided at the top of the fixed crossbeam 2, a connecting frame 8 and a second driving mechanism 9 for driving the connecting frame 8 to move up and down are provided at the top of the movable crossbeam 5, and the lower end of the connecting frame 8 is connected to the exhaust pipe 1. The exhaust pipe 1 is provided with a bellows 10. The control module is electrically connected to the first driving mechanism 7 and the second driving mechanism 9.

[0023] The horizontal position of the exhaust pipe 1 can be conveniently adjusted by controlling the movement of the first driving mechanism 7, and the upper and lower height positions of the exhaust pipe 1 can be conveniently adjusted by controlling the second driving mechanism 9. The bellows 10 at both ends of the exhaust pipe 1 ensure that the exhaust pipe 1 can be adjusted in any direction. The utility model does not need to adjust the installation position of the engine, which can improve the work efficiency of the test bench for replacing different models and greatly improve the compatibility of the test bench.

[0024] In this embodiment, the first driving mechanism 7 and the second driving mechanism 9 are oil cylinders or electric push rods.

[0025] The flexible connector 6 is a chain or a steel wire rope. The flexible connector 6 can play the role of a safety rope, improve safety, and prevent the exhaust pipe 1 from falling.

[0026] Specifically, the connecting frame 8 is a U-shaped frame, the movable crossbeam 5 is located in the U-shaped frame, and both sides of the U-shaped frame extend downward and connect to the top of the exhaust pipe 1. The control module is a PLC controller or a single chip microcomputer or an industrial computer.

[0027] Furthermore, a second slide rail 11 is provided on the top of the movable crossbeam 5, a second slide rail 11 is provided with a second slide 12, a second drive mechanism 9 is installed on the second slide 12, a third drive mechanism 13 is provided on the top of the movable crossbeam 5 to drive the second slide 12 to reciprocate, and the control module is electrically connected to the third drive mechanism 13. The third drive mechanism 13 is a cylinder or an electric push rod. By controlling the movement of the third drive mechanism 13, the horizontal position of the exhaust pipe 1 along the direction of the movable crossbeam 5 can be conveniently adjusted.

[0028] The device further comprises a protection bracket 14 located below the exhaust pipe 1, the protection bracket 14 being connected to the wall. When the exhaust pipe 1 is at the lowest position, the protection bracket 14 supports the exhaust pipe 1 to further ensure safety and prevent the exhaust pipe 1 from falling.

[0029] The exhaust pipe 1 and the movable cross beam 5 are respectively welded with ear plates 15 , and the upper and lower ends of the flexible connecting member 6 are respectively connected to the ear plates 15 .

[0030] First connecting plates 16 are respectively provided on both sides of the top of the exhaust pipe 1 , and second connecting plates 17 are respectively provided on both sides of the connecting frame 8 . The first connecting plate 16 and the second connecting plate 17 are connected by bolts to facilitate the installation of the exhaust pipe 1 .

[0031] The above are only preferred implementations of the utility model. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the utility model, which will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A bench exhaust pipe adjustment device, comprising a fixed crossbeam (2) for mounting an exhaust pipe (1), wherein the fixed crossbeam (2) is located above the exhaust pipe (1), and characterized in that: It also includes a control module, wherein a first slide rail (3) is provided on the top of the fixed crossbeam (2), the first slide rail (3) is provided with a first slide platform (4), the first slide platform (4) is provided with a movable crossbeam (5) extending along the exhaust pipe (1), the bottom of the movable crossbeam (5) is provided with a flexible connector (6) connected to the exhaust pipe (1), the top of the fixed crossbeam (2) is provided with a first drive mechanism (7) for driving the first slide platform (4) to reciprocate, the top of the movable crossbeam (5) is provided with a connecting frame (8) and a second drive mechanism (9) for driving the connecting frame (8) to move up and down, the lower end of the connecting frame (8) is connected to the exhaust pipe (1), and the exhaust pipe (1) is provided with a bellows (10); the control module is electrically connected to the first drive mechanism (7) and the second drive mechanism (9).

2. The exhaust pipe adjustment device for a test bench according to claim 1, characterized in that: The first driving mechanism (7) and the second driving mechanism (9) are oil cylinders or electric push rods.

3. The bench exhaust pipe adjustment device according to claim 1, characterized in that: The flexible connecting member (6) is a chain or a steel wire rope.

4. The bench exhaust pipe adjustment device according to claim 1, characterized in that: The connecting frame (8) is a U-shaped frame, the movable crossbeam (5) is located inside the U-shaped frame, and both sides of the U-shaped frame extend downward and connect to the top of the exhaust pipe (1).

5. The exhaust pipe adjustment device for a test bench according to claim 1, characterized in that: The control module is a PLC controller or a single chip microcomputer or an industrial computer.

6. A bench exhaust pipe adjustment device according to any one of claims 1 to 5, characterized in that: A second slide rail (11) is provided on the top of the movable crossbeam (5), the second slide rail (11) is provided with a second slide table (12), the second driving mechanism (9) is installed on the second slide table (12), a third driving mechanism (13) for driving the second slide table (12) to reciprocate is provided on the top of the movable crossbeam (5), and the control module is electrically connected to the third driving mechanism (13).

7. The exhaust pipe adjustment device for a test bench according to claim 6, characterized in that: The third driving mechanism (13) is an oil cylinder or an electric push rod.

8. The bench exhaust pipe adjustment device according to claim 1, characterized in that: It also includes a protective bracket (14) located below the exhaust pipe (1).

9. The bench exhaust pipe adjustment device according to claim 1, characterized in that: The exhaust pipe (1) and the movable cross beam (5) are respectively welded with ear plates (15), and the upper and lower ends of the flexible connecting member (6) are respectively connected to the ear plates (15).

10. The bench exhaust pipe adjustment device according to claim 4, characterized in that: First connecting plates (16) are respectively provided on both sides of the top of the exhaust pipe (1), and second connecting plates (17) are respectively provided on both sides of the connecting frame (8), and the first connecting plate (16) and the second connecting plate (17) are connected by bolts.

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