Movable lifting device for gas collecting pipe of automobile exhaust flow analyzer

Abstract

The utility model relates to a movable lifting device for a gas collecting pipe of an automobile exhaust flow analyzer, which belongs to the technical field of automobile exhaust pollutant detection auxiliary equipment and comprises a support and a hoop, a holding rod is mounted at the top of the support, a lifting switch is mounted in the holding rod, and the support comprises a support body, a pull rod and universal wheels. The two pull rods are movably inserted into the frame bodies on the two sides, limiting blocks are transversely installed at the bottoms in the pull rods, a plurality of limiting holes are vertically formed in the intersection portions of the pull rods and the frame bodies, protrusions of the limiting blocks can penetrate through the limiting holes and are clamped, the tops of the limiting blocks abut against wedge-shaped blocks, and steel bars are fixedly connected to the tops of the wedge-shaped blocks. The top of the steel bar is connected with the lifting switch, and the hoop is fixedly installed at the bottom of the holding rod. According to the utility model, the height of the clamp is adjusted by adjusting the height of the pull rod, so that the device is suitable for exhaust pipes with different heights, the detection is convenient, the detection efficiency is improved, the workload of workers is reduced, and the detection quality can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile exhaust pollutant detection auxiliary equipment, in particular to a mobile lifting device for an automobile exhaust flow analyzer gas collecting pipe. Background Art

[0002] The detection of pollutants in gasoline vehicles is mainly carried out using a simple transient operating method. This method requires that the automobile exhaust flow analyzer collecting pipe be placed on the automobile exhaust pipe to achieve the purpose of analyzing the automobile exhaust.

[0003] At present, the height of the fixing device of the gas collecting pipe of the automobile exhaust flow analyzer is not adjustable and is not easy to move. For exhaust pipes of different heights, the gas collecting pipe cannot be effectively put on the automobile exhaust pipe. The staff needs to adjust the position of the gas collecting pipe mouth and fix it separately so that it can be put on the automobile exhaust pipe as much as possible. However, this operation will bring inconvenience to the detection work and also affect the detection quality. Utility Model Content

[0004] In view of the above problems in the prior art, the utility model provides a mobile lifting device for the gas collecting pipe of an automobile exhaust flow analyzer, which is achieved through the following technical solutions:

[0005] A mobile lifting device for an exhaust flow analyzer collecting pipe of an automobile, comprises a bracket and a clamp, a grip rod is installed on the top of the bracket, the grip rod and the bracket are both hollow, a lifting switch is installed in the grip rod, the bracket comprises a frame body, a pull rod and a universal wheel, the pull rod is provided with two and can be movably inserted in the frames on both sides, a limit block is laterally installed at the bottom of the pull rod, a protrusion is provided on one side of the bottom of the limit block, a first spring is fixedly connected to the side of the limit block away from the protrusion, and the side of the first spring away from the limit block is fixedly connected to the inner side wall of the pull rod, a plurality of limit holes are vertically provided at the intersection of the pull rod and the frame body, the protrusion of the limit block can pass through the limit hole and be stuck, a wedge block is abutted on the top of the limit block, a steel bar is fixedly connected to the top of the wedge block, the top of the steel bar is connected to the lifting switch, and the clamp is fixedly installed at the bottom of the grip rod.

[0006] The utility model is further configured as follows: the lifting switch includes a button, two rotating shafts and a second spring, the second spring is fixedly installed in the grip, the button is fixedly installed at the bottom of the second spring, half of the button is arranged at the bottom of the outer side of the grip and is slidably connected to the grip, the rotating shaft is arranged on both sides of the top of the button, the rotating shaft is rotatably installed in the grip, the rotating point of the rotating shaft is arranged in the middle position of the rotating shaft, one side of the rotating shaft is abutted against the top of the button, and the end of the rotating shaft away from the button is fixedly connected to the steel bar.

[0007] The utility model is further configured as follows: a third spring is fixedly connected to the bottom of the pull rod, and the bottom of the third spring is fixedly connected to the bottom of the frame body cavity.

[0008] The utility model is further configured as follows: a transverse frame is commonly installed at the bottom of the frame bodies on both sides, four universal wheels are provided and are respectively installed at the four corners of the bottom of the transverse frame, and the universal wheels are self-locking universal wheels.

[0009] In summary, the beneficial technical effects of the utility model are:

[0010] The device is moved to the exhaust pipe of the automobile through the universal wheel at the bottom of the bracket, and the height of the clamp is adjusted by adjusting the height of the pull rod, so that the air collecting pipe fixed on the device is suitable for exhaust pipes of different heights, which is convenient for detection, improves detection efficiency, reduces the workload of staff, and also improves the detection quality; the third spring provides force for the pull rod to return, which facilitates the pull rod to return. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram for showing the overall structure of the utility model.

[0012] Figure 2 It is a schematic diagram for showing the internal structure of the utility model.

[0013] Figure numerals: 1, bracket; 101, frame; 102, pull rod; 2, grip; 3, lifting switch; 301, button; 302, rotating shaft; 303, second spring; 4, limit block; 401, protrusion; 402, first spring; 5, limit hole; 6, wedge block; 7, steel bar; 8, third spring; 9, horizontal frame; 10, universal wheel; 11, clamp. DETAILED DESCRIPTION

[0014] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0015] Example

[0016] like Figure 1-2As shown, a mobile lifting device for an automobile exhaust flow analyzer collecting pipe disclosed in the utility model comprises a bracket 1 and a clamp 11, a grip rod 2 is installed on the top of the bracket 1, the grip rod 2 and the bracket 1 are both hollow, a lifting switch 3 is installed in the grip rod 2, the bracket 1 comprises a frame 101, a pull rod 102 and a universal wheel 10, the pull rod 102 is provided with two and can be movably inserted in the frame 101 on both sides, a limit block 4 is horizontally installed at the bottom of the pull rod 102, and a protrusion 401 is provided on one side of the bottom of the limit block 4 The side of the limit block 4 away from the protrusion 401 is fixedly connected with a first spring 402, and the side of the first spring 402 away from the limit block 4 is fixedly connected to the inner wall of the pull rod 102, and a plurality of limit holes 5 are vertically arranged at the intersection of the pull rod 102 and the frame 101, and the protrusion 401 of the limit block 4 can pass through the limit hole 5 and get stuck, and the top of the limit block 4 is abutted with a wedge block 6, and the top of the wedge block 6 is fixedly connected with a steel bar 7, and the top of the steel bar 7 is connected to the lifting switch 3, and the clamp 11 is fixedly installed at the bottom of the handle 2.

[0017] The lifting switch 3 includes a button 301, two rotating shafts 302 and a second spring 303. The second spring 303 is fixedly installed in the handle 2. The button 301 is fixedly installed at the bottom of the second spring 303. Half of the button 301 is arranged at the bottom of the outer side of the handle 2 and is slidably connected to the handle 2. The rotating shaft 302 is arranged on both sides of the top of the button 301. The rotating shaft 302 is rotatably installed in the handle 2. The turning point of the rotating shaft 302 is arranged in the middle position of the rotating shaft 302. One side of the rotating shaft 302 is abutted against the top of the button 301, and the end of the rotating shaft 302 away from the button 301 is fixedly connected to the steel bar 7.

[0018] The bottom of the pull rod 102 is fixedly connected to a third spring 8 , and the bottom of the third spring 8 is fixedly connected to the bottom of the inner cavity of the frame 101 .

[0019] A transverse frame 9 is commonly installed at the bottom of the frame bodies 101 on both sides. Four universal wheels 10 are provided and respectively installed at the four corners of the bottom of the transverse frame 9. The universal wheels 10 are self-locking universal wheels.

[0020] The specific implementation method of this example is as follows: the device is moved together with the automobile exhaust flow analyzer collecting pipe fixed by the clamp 11 to the exhaust pipe of the motor vehicle, the universal wheel 10 is locked, the grip 2 is held to press the button 301, and the button 301 rises to drive the side of the rotating shaft 302 close to the button 301 to rise. Since the rotating shaft 302 rotates around the rotating point, the side of the rotating shaft 302 connected to the steel bar 7 rotates downward, driving the steel bar 7 to move downward, thereby driving the wedge block 6 to squeeze the limit block 4, so that the limit block 4 moves out of the limit hole 5, and then the grip 2 is pulled to drive the pull rod 102 to move up and down. , adjust to a suitable height, release the button 301 to reset the shaft 302, drive the steel bar 7 to move upward, thereby driving the wedge block 6 to move upward, and the limit block 4 that is not squeezed is reset under the action of the first spring 402, and the protrusion 401 is inserted into the limit hole 5 for limiting, and the air collecting pipe fixed on the clamp 11 is set on the exhaust pipe of the car for detection; after use, move the device together with the air collecting pipe to the specified position, and repeat the above steps for the next car to be detected; when the device is not in use, press the button 301 to press the pull rod down to the shortest state for storage to reduce the occupied space.

[0021] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A mobile lifting device for an automobile exhaust flow analyzer collecting pipe, comprising a bracket (1) and a clamp (11), characterized in that: A grip (2) is installed on the top of the bracket (1), and the grip (2) and the bracket (1) are both hollow. A lifting switch (3) is installed in the grip (2). The bracket (1) comprises a frame body (101), a pull rod (102) and a universal wheel (10). Two pull rods (102) are provided and can be movably inserted into the frame bodies (101) on both sides. A limit block (4) is installed horizontally at the bottom of the pull rod (102). A protrusion (401) is provided on one side of the bottom of the limit block (4). The side of the limit block (4) away from the protrusion (401) is fixedly connected to a first A spring (402), wherein the side of the first spring (402) away from the limit block (4) is fixedly connected to the inner wall of the pull rod (102), and a plurality of limit holes (5) are vertically arranged at the intersection of the pull rod (102) and the frame (101), and the protrusion (401) of the limit block (4) can pass through the limit hole (5) and get stuck, and the top of the limit block (4) is abutted against a wedge block (6), and the top of the wedge block (6) is fixedly connected to a steel bar (7), and the top of the steel bar (7) is connected to the lifting switch (3), and the clamp (11) is fixedly installed at the bottom of the handle (2).

2. The mobile lifting device for the gas collecting pipe of the automobile exhaust flow analyzer according to claim 1 is characterized in that: The lifting switch (3) comprises a button (301), two rotating shafts (302) and a second spring (303), wherein the second spring (303) is fixedly installed in the handle (2), the button (301) is fixedly installed at the bottom of the second spring (303), half of the button (301) is arranged at the bottom of the outer side of the handle (2) and is slidably connected to the handle (2), the rotating shaft (302) is arranged at both sides of the top of the button (301), the rotating shaft (302) is rotatably installed in the handle (2), the turning point of the rotating shaft (302) is arranged at the middle position of the rotating shaft (302), one side of the rotating shaft (302) is in contact with the top of the button (301), and the end of the rotating shaft (302) away from the button (301) is fixedly connected to the steel bar (7).

3. The mobile lifting device for the gas collecting pipe of the automobile exhaust flow analyzer according to claim 1 is characterized in that: The bottom of the pull rod (102) is fixedly connected to a third spring (8), and the bottom of the third spring (8) is fixedly connected to the bottom of the inner cavity of the frame body (101).

4. The mobile lifting device for the gas collecting pipe of the automobile exhaust flow analyzer according to claim 1 is characterized in that: A transverse frame (9) is commonly installed at the bottom of the frame bodies (101) on both sides. Four universal wheels (10) are provided and are respectively installed at the four corners of the bottom of the transverse frame (9). The universal wheels (10) are self-locking universal wheels.

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