Diesel vehicle exhaust pipe with exhaust emission detection function for auxiliary transportation in coal mines

Abstract

The present invention belongs to the technical field of auxiliary transportation of coal mines, and solves the problems of loose exhaust pipes and lack of exhaust gas detectors. A diesel vehicle exhaust pipe with exhaust emission detection function for auxiliary transportation of coal mines is provided. One side of the exhaust pipe has an interference fit with a connecting plate with a slot, and is connected by an auxiliary reinforcement structure. The exhaust gas detector is connected to one end of the connecting plate through a position selection component, and the exhaust gas detector has an arc-shaped slider for sliding connection with a slide seat; the exhaust pipe has a columnar platform connected to the butt pipe, and the columnar platform has an air intake channel for connecting the exhaust pipe and the butt pipe, the filter element is built into the air intake channel, and both sides of the butt pipe have a screwing and clamping structure connected to the columnar platform. The present invention has a simple structure, high stability of the connection between components, and is easy to replace damaged components. The exhaust pipe and the exhaust gas detector are highly stable during driving, and will not become loose or even fall off.

Description

Technical Field

[0001] The invention belongs to the technical field of coal mine auxiliary transportation, and in particular relates to an exhaust pipe of a diesel vehicle with an exhaust emission detection function for coal mine auxiliary transportation. Background Art

[0002] During the transportation process, coal mines need to use diesel trucks as transfer devices. The engine of the diesel truck will emit exhaust gas through the exhaust pipe after burning diesel.

[0003] Existing diesel vehicle exhaust pipes have some defects when in use:

[0004] 1. Due to the complex environment of coal mines, diesel trucks are severely bumpy during transportation. If the exhaust pipe is not stably connected to the bottom of the vehicle, the exhaust pipe is prone to loosening or even damage and falling off;

[0005] 2. A diesel engine exhaust pipe with a filtering and purification function, with publication number CN201821900584.8, is provided with a cyclone tower layer and air holes to enable the exhaust gas and water to be fused and purified for more effective reaction purification; however, the exhaust gas lacks a detection instrument after purification to determine whether the exhaust gas emissions meet the emission standards. Summary of the invention

[0006] In order to solve at least one of the above technical problems existing in the prior art, the present invention provides a diesel vehicle exhaust pipe with exhaust emission detection function for auxiliary transportation in coal mines.

[0007] The present invention is implemented by the following technical scheme: an exhaust pipe for a diesel vehicle with an exhaust emission detection function for auxiliary transportation in coal mines, comprising an exhaust pipe, an exhaust gas detector, a butt pipe, a filter element, a slide seat and a chassis connector; a connecting plate with a slot is interference-fitted on one side of the exhaust pipe, and is connected by an auxiliary reinforcement structure; the exhaust gas detector is connected to one end of the connecting plate through a position selection component, and an arc-shaped slider for sliding connection with the slide seat is provided at the exhaust gas detector, and the angle of the exhaust gas detector relative to the connecting plate is changed by the position selection component so that the probe of the exhaust gas detector is aligned with one of the outlets of the exhaust pipe; a columnar platform connected to the butt pipe is provided on the exhaust pipe, and an air intake channel for connecting the exhaust pipe and the butt pipe is provided at the columnar platform, the filter element is built in the air intake channel, and both sides of the butt pipe have a screwing clamping structure connected to the columnar platform; a socket connected to the chassis connector is provided on the exhaust pipe, and a plug-in connector is provided at the position corresponding to the socket at the lower end of the chassis connector, and the plug-in connector is connected in a snap-fit ​​manner inside the socket, and a channel for the butt pipe to pass through is provided on the chassis connector, and the chassis connector is fixed to the chassis of the vehicle.

[0008] Preferably, the position selection component includes a hollow cylinder, a sleeve plate, a positioning rotating rod, a movable rod, a first spring and a linkage plate. The hollow cylinder is fixedly connected to the connecting plate, and one end of the sleeve plate is fixedly connected to the exhaust gas tester and is movably sleeved on the hollow cylinder. The movable rod is vertically fixed to the lower end of the positioning rotating rod, and one end of the movable rod passes through the hollow cylinder and the connecting plate and is connected to the linkage plate. The first spring is sleeved on the movable rod between the connecting plate and the linkage plate, and the sleeve plate has multiple slots matching the positioning rotating rod. Lift the positioning rotating rod, slide the exhaust gas tester so that its probe is aligned with the outlet of the exhaust pipe, and then lower the positioning rotating rod into the slot on the sleeve plate to realize the positioning of the exhaust gas tester.

[0009] Preferably, the auxiliary reinforcement structure includes a fixed block, a rotating column, a docking plate, a rotating rod and a rotating shaft. The fixed block is fixedly connected to the exhaust pipe, the rotating column is movably sleeved inside the fixed block, and one end of the docking plate is movably inserted into the fixed block and fixedly connected to the rotating column; the rotating structure composed of the rotating rod and the rotating shaft is rotatably connected to the connecting plate, and the other end of the docking plate has a strip hole for the rotating rod to pass through, and the locking of the connecting plate is achieved by changing the position of the rotating rod relative to the strip hole; the rotating column, docking plate, rotating rod and rotating shaft are each arranged one on both sides of the exhaust pipe.

[0010] Preferably, the screw-on clamping structure includes an L-shaped clamping rod and a threaded rod, wherein one end of the threaded rod is fixedly connected to the vertical section of the L-shaped clamping rod, and an annular plate is fixedly connected to the outer periphery of the docking tube, and a plurality of radial grooves are arranged at intervals on the outer periphery of the annular plate, and the radial grooves have internal threads matching the threaded rod, and an arc groove is arranged at the position of the rotation path of the horizontal section of the L-shaped clamping rod on the outer periphery of the cylindrical table corresponding to the horizontal section of the L-shaped clamping rod; a plurality of screw-on clamping structures are arranged at intervals along the circumferential direction of the cylindrical table, the threaded rod is threadedly connected to the corresponding radial grooves, and the horizontal section of the L-shaped clamping rod is screwed into or out of the arc groove to realize the locking and separation of the docking tube and the cylindrical table; a plurality of plug-in blocks are circumferentially fixedly connected to the bottom end of the annular plate, and a plug-in groove is provided at the position corresponding to the plug-in block on the upper end of the cylindrical table.

[0011] Preferably, the connector includes a vertical rod, a second spring, a push plate, a sliding rod and a pressure rod, one side of the vertical rod has a first sliding groove, one end of the second spring is fixedly connected to the bottom of the first sliding groove, and the other end is fixedly connected to the push plate, the push plate is built into the first sliding groove, the two sliding rods are respectively fixedly connected to the two ends of the push plate and one end of the sliding rod can slide out of the first sliding groove, one end of the pressure rod can move through the vertical rod and is fixedly connected to the push plate; the socket is built-in with a slot and a second slot, one end of the vertical rod is fixedly connected to the chassis connector, and the other end is inserted into the slot, wherein a sliding rod located at the bottom can slide out or slide into the second sliding groove under the action of the pressure rod, thereby realizing the separation or locking of the connector and the socket.

[0012] Preferably, wing plates are fixedly connected on both sides of the filter element, and connecting grooves are provided at positions corresponding to the wing plates on both sides of the air inlet channel of the columnar table, docking rods are fixedly connected on the side walls of the connecting grooves, cross bars are fixedly connected on both sides of the docking rods, and locking blocks are slidably connected in the cross bars. Installation grooves are provided on the wing plates at positions corresponding to the docking rods, cross bars and locking blocks, and the locking and separation of the wing plates and the columnar table are achieved by sliding the locking blocks, and the locking blocks are interference fit with the installation grooves.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The present invention can adjust the position of the probe of the exhaust gas tester through the position selection component, so that it is aligned with one of the two branch pipes on one side of the exhaust pipe, thereby realizing the detection of exhaust gas; realize the connection between the exhaust pipe and the connecting plate through the auxiliary reinforcement structure; realize the stable connection between the butt tube and the columnar platform through the screwing and clamping structure; realize the connection between the exhaust pipe and the chassis connecting part through the cooperation of the plug-in part and the socket, and maintain stability during driving; realize the detachable installation of the filter element through the wing plate, etc., so as to facilitate the replacement of the filter element at a later time.

[0015] The present invention has a simple structure, high stability in the connection between components, and is easy to replace damaged components. The exhaust pipe and the exhaust gas detector are highly stable during driving and will not become loose or even fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a front view of the overall structure of the present invention;

[0018] Figure 2 It is a top view of the overall structure of the present invention;

[0019] Figure 3 yes Figure 2 The enlarged schematic diagram of point A in the middle;

[0020] Figure 4 yes Figure 2 The enlarged schematic diagram of point B in the middle;

[0021] Figure 5 It is a left side view of the exhaust gas detector of the present invention;

[0022] Figure 6 It is a front view of the screwing and clamping structure of the present invention;

[0023] Figure 7 It is a left side view of the screwing and clamping structure of the present invention;

[0024] Figure 8 It is a front view of the connector and the socket of the present invention;

[0025] Fig. 9 is a top view of the filter element of the present invention;

[0026] Fig.10 yes Fig. 9 Enlarged schematic diagram of point C in the middle.

[0027] In the figure: 1-exhaust pipe; 2-exhaust gas detector; 3-butt pipe; 4-filter element; 5-slide seat; 6-connecting plate; 6.1-slot; 7-arc-shaped slider; 8-column-shaped platform; 8.1-arc-shaped slot; 8.2-plug slot; 8.3-connecting slot; 9-chassis connector; 10-socket; 10.1-slot; 10.2-second slide slot; 11-plug connector; 11.1-vertical rod; 11.11-first slide slot; 11.2-second spring; 11.3-push plate; 11.4-slide rod; 1 1.5-pressure rod; 12-hollow cylinder; 13-sleeve plate; 14-positioning rotating rod; 15-movable rod; 16-first spring; 17-linkage plate; 18-fixed block; 19-rotating column; 20-docking plate; 20.1-strip hole; 21-rotating rod; 22-rotating shaft; 23-L-shaped clamping rod; 24-threaded rod; 25-annular plate; 25.1-radial groove; 25.2-plug-in block; 26-wing plate; 26.1-installation groove; 27-docking rod; 28-cross bar; 29-locking block. DETAILED DESCRIPTION

[0028] In conjunction with the drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention. It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0030] The present invention provides an embodiment:

[0031] like Figure 1 , Figure 2 As shown, a diesel vehicle exhaust pipe with exhaust emission detection function for auxiliary transportation in coal mines comprises an exhaust pipe 1, an exhaust gas detector 2, a butt pipe 3, a filter element 4, a slide seat 5 and a chassis connector 9;

[0032] A connecting plate 6 with a card slot 6.1 is interference-fitted on one side of the exhaust pipe 1, and is connected by an auxiliary reinforcement structure. The exhaust gas detector 2 is connected to one end of the connecting plate 6 through a position selection component, and the slide 5 is connected to the connecting plate 6. The exhaust gas detector 2 is provided with an arc-shaped slide 7 for sliding connection with the slide 5. The slide 5 is provided with an arc-shaped slide rail, and the arc-shaped slide 7 is slidably engaged in the arc-shaped slide rail. The angle of the exhaust gas detector 2 relative to the connecting plate 6 is changed by the position selection component, so that the probe of the exhaust gas detector 2 is aligned with one of the outlets of the exhaust pipe 1; the exhaust The tube 1 is provided with a cylindrical platform 8 connected to the butt tube 3, and the cylindrical platform 8 is provided with an air intake passage for connecting the exhaust pipe 1 and the butt tube 3. The filter element 4 is built into the air intake passage, and both sides of the butt tube 3 are provided with a screwing and clamping structure connected to the cylindrical platform 8; the exhaust pipe 1 is provided with a socket 10 connected to a chassis connector 9, and a connector 11 is provided at the lower end of the chassis connector 9 corresponding to the position of the socket 10, and the connector 11 is snap-connected inside the socket 10, and the chassis connector 9 is provided with a passage for the butt tube 3 to pass through, and the chassis connector 9 is fixed to the chassis of the vehicle.

[0033] like Figure 4 , Figure 5As shown, the position selection assembly includes a hollow cylinder 12, a sleeve plate 13, a positioning rotating rod 14, a movable rod 15, a first spring 16 and a linkage plate 17. The hollow cylinder 12 is fixedly connected to the connecting plate 6. The sleeve plate 13, one end of which is fixedly connected to the exhaust gas tester 2, is movably sleeved on the hollow cylinder 12. The movable rod 15 is vertically fixedly connected to the lower end of the positioning rotating rod 14. One end of the movable rod 14 passes through the hollow cylinder 12 and the connecting plate 6 and is connected to the linkage plate 17. The first spring 16 is sleeved on the movable rod 15 between the connecting plate 6 and the linkage plate 17. The sleeve plate 13 has a plurality of slots 13.1 matching the positioning rotating rod 14. The positioning rotating rod 14 is lifted, the exhaust gas tester 2 is slid so that its probe is aligned with the outlet of the exhaust pipe 1, and then the positioning rotating rod 14 is lowered into the slot 13.1 on the sleeve plate 13 to realize the positioning of the exhaust gas tester 2. The exhaust gas of the two pipes on the same side of the exhaust pipe 1 can be respectively aligned and detected, and the measurement accuracy is higher.

[0034] like Figure 3 As shown, the auxiliary reinforcement structure includes a fixed block 18, a rotating column 19, a docking plate 20, a rotating rod 21 and a rotating shaft 22. The fixed block 18 is fixedly connected to the exhaust pipe 1, and the rotating column 19 is movably sleeved inside the fixed block 18. One end of the docking plate 20 is movably inserted into the fixed block 18 and fixedly connected to the rotating column 19; the rotating structure composed of the rotating rod 21 and the rotating shaft 22 is rotatably connected to the connecting plate 6, and the other end of the docking plate 20 has a strip hole 20.1 for the rotating rod 21 to pass through, and the locking of the connecting plate 6 is achieved by changing the position of the rotating rod 21 relative to the strip hole 20.1; the rotating column 19, the docking plate 20, the rotating rod 21 and the rotating shaft 22 are each provided one on both sides of the exhaust pipe 1. After the connecting plate 6 is snap-fitted and installed on the exhaust pipe 1, the docking plate 20 is adjusted so that it is sleeved on the outside of the rotating rod 21 and the rotating shaft 22, and then the rotating rod 21 is rotated 90 degrees to achieve the locking of the connecting plate 6 and the fixed block 18; the docking plate 20 is rotated here to allow it to have a margin relative to the rotating rod 21 to avoid jamming and the rotating rod 21 being unable to pass through the strip hole 20.1.

[0035] like Figure 6 , Figure 7As shown, the screw-on clamping structure includes an L-shaped clamping rod 23 and a threaded rod 24, wherein one end of the threaded rod 24 is fixedly connected to the vertical section of the L-shaped clamping rod 23, and an annular plate 25 is fixedly connected to the outer periphery of the butt-jointed tube 3, and a plurality of radial grooves 25.1 are arranged at intervals on the outer periphery of the annular plate 25, and the radial grooves 25.1 have internal threads matching the threaded rod 24, and an arc groove 8.1 is arranged at the position of the rotation path of the horizontal section of the L-shaped clamping rod 23 on the outer periphery of the cylindrical table 8; a plurality of screw-on clamping structures are arranged at intervals along the circumferential direction of the cylindrical table 8, and the threaded rod 24 is threadedly connected to the corresponding radial grooves 25.1, and the horizontal section of the L-shaped clamping rod 23 is screwed into or out of the arc groove 8.1 to realize the locking and separation of the butt-jointed tube 3 and the cylindrical table 8; a plurality of plug-in blocks 25.2 are circumferentially fixedly connected to the bottom end of the annular plate 25, and a plug-in groove 8.2 is arranged at the position corresponding to the plug-in block 25.2 at the upper end of the cylindrical table 8.

[0036] like Figure 8 As shown, the connector 11 includes a vertical rod 11.1, a second spring 11.2, a push plate 11.3, a slide rod 11.4 and a pressure rod 11.5. One side of the vertical rod 11.1 has a first slide groove 11.11. One end of the second spring 11.2 is fixedly connected to the bottom of the first slide groove 11.11, and the other end is fixedly connected to the push plate 11.3. The push plate 11.3 is built into the first slide groove 11.11. Two slide rods 11.4 are respectively fixedly connected to the two ends of the push plate 11.3 and one end of the slide rod 11.4 is fixedly connected to the two ends of the push plate 11.3. It can slide out of the first slide groove 11.11, and one end of the pressure rod 11.5 can move through the vertical rod 11.1 and be fixedly connected with the push plate 11.3; the socket 10 is built with a slot 10.1 and a second slide groove 10.2, one end of the vertical rod 11.1 is fixedly connected with the chassis connector 9, and the other end is inserted into the slot 10.1, wherein a slide rod 11.4 located at the bottom can slide out or slide into the second slide groove 10.2 under the action of the pressure rod 11.5, so as to separate or lock the plug-in component 11 and the socket 10. The chassis connector 9 is fixed at the bottom of the diesel vehicle. Before installing the exhaust pipe 1, press the pressure rod 11.5, the vertical rod 11.1 is inserted into the slot 10.1, and the pressure rod 11.5 is released. The slide rod 11.4 is reset and inserted into the second slide groove 10.2 under the action of the second spring 11.2, and the chassis connector 9 is used to stably connect the exhaust pipe 1 to ensure the stability of the exhaust pipe 1 during driving.

[0037] like Fig. 9 , Fig.10As shown, wing plates 26 are fixedly connected to both sides of the filter element 4, and connecting grooves 8.3 are provided at positions corresponding to the wing plates 26 on both sides of the air inlet channel of the cylindrical platform 8, and docking rods 27 are fixedly connected to the side walls of the connecting grooves 8.3, and cross bars 28 are fixedly connected to both sides of the docking rods 27, and locking blocks 29 are slidably connected in the cross bars 28. There are mounting grooves 26.1 at positions corresponding to the docking rods 27, the cross bars 28 and the locking blocks 29 on the wing plates 26, and the locking and separation of the wing plates 26 and the cylindrical platform 8 are achieved by sliding the locking blocks 29. The locking blocks 29 and the mounting grooves 26.1 are interference fit, which can play a role in fixing the filter element 4, and the filter element 4 is used to treat particles in the exhaust gas discharged from the exhaust pipe 1.

[0038] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A diesel vehicle exhaust pipe with exhaust emission detection function for auxiliary transportation in coal mines, Features: It comprises an exhaust pipe (1), an exhaust gas detector (2), a butt pipe (3), a filter element (4), a sliding seat (5) and a chassis connecting piece (9); A connecting plate (6) with a slot is interference-fitted on one side of the exhaust pipe (1) and connected via an auxiliary reinforcement structure. The exhaust gas detector (2) is connected to one end of the connecting plate (6) via a position selection component. The exhaust gas detector (2) is provided with an arc-shaped slide block (7) for sliding connection with a slide seat (5). The position selection component is used to change the angle of the exhaust gas detector (2) relative to the connecting plate (6) so that the probe of the exhaust gas detector (2) is aligned with one of the outlets of the exhaust pipe (1). The exhaust pipe (1) is provided with a columnar platform (8) connected to the butt joint pipe (3); the columnar platform (8) is provided with an air intake passage for connecting the exhaust pipe (1) and the butt joint pipe (3); the filter element (4) is built into the air intake passage; and both sides of the butt joint pipe (3) are provided with a screwing and clamping structure connected to the columnar platform (8); The exhaust pipe (1) is provided with a socket (10) connected to a chassis connecting piece (9); a plug-in piece (11) is provided at a position at the lower end of the chassis connecting piece (9) corresponding to the socket (10); the plug-in piece (11) is snap-fitted and connected inside the socket (10); the chassis connecting piece (9) is provided with a passage for the butt-joining pipe (3) to pass through; and the chassis connecting piece (9) is fixed to the chassis of the vehicle; The position selection assembly comprises a hollow cylinder (12), a sleeve plate (13), a positioning rotating rod (14), a movable rod (15), a first spring (16) and a linkage plate (17); the hollow cylinder (12) is fixedly connected to the connecting plate (6); the sleeve plate (13) is fixedly connected to the exhaust gas detector (2) at one end and is movably sleeved on the hollow cylinder (12); the movable rod (15) is vertically fixedly connected to the lower end of the positioning rotating rod (14); one end of the movable rod (14) passes through the hollow cylinder (12) The first spring (16) is sleeved on the movable rod (15) between the connecting plate (6) and the linkage plate (17); the sleeve plate (13) has a plurality of slots matching the positioning rotating rod (14); the positioning rotating rod (14) is lifted, the exhaust gas detector (2) is slid so that its probe is aligned with the outlet of the exhaust pipe (1), and the positioning rotating rod (14) is lowered into the slot on the sleeve plate (13) to realize the positioning of the exhaust gas detector (2); The auxiliary reinforcement structure comprises a fixed block (18), a rotating column (19), a docking plate (20), a rotating rod (21) and a rotating shaft (22); the fixed block (18) is fixedly connected to the exhaust pipe (1); the rotating column (19) is movably sleeved inside the fixed block (18); one end of the docking plate (20) is movably inserted into the fixed block (18) and is fixedly connected to the rotating column (19); a rotating structure composed of the rotating rod (21) and the rotating shaft (22) is rotatably connected to the connecting plate (6); the other end of the docking plate (20) has a strip hole (20.1) for the rotating rod (21) to pass through; the connecting plate (6) is locked by changing the position of the rotating rod (21) relative to the strip hole (20.1); the rotating column (19), the docking plate (20), the rotating rod (21) and the rotating shaft (22) are each arranged one on both sides of the exhaust pipe (1); The screw clamping structure comprises an L-shaped clamping rod (23) and a threaded rod (24), wherein one end of the threaded rod (24) is fixedly connected to the vertical section of the L-shaped clamping rod (23), an annular plate (25) is fixedly connected to the outer periphery of the butt-jointed tube (3), a plurality of radial grooves (25.1) are arranged at intervals on the outer periphery of the annular plate (25), and the radial grooves (25.1) have internal threads matching the threaded rod (24), and an arc groove is arranged on the outer periphery of the columnar platform (8) at a position corresponding to the rotation path of the horizontal section of the L-shaped clamping rod (23). (8.1); a plurality of screw-on clamping structures are arranged at intervals along the circumferential direction of the columnar platform (8); the threaded rod (24) is threadedly connected to the corresponding radial groove (25.1); the horizontal section of the L-shaped clamping rod (23) is screwed into or out of the arc groove (8.1) to achieve locking and separation of the butt tube (3) and the columnar platform (8); a plurality of plug-in blocks (25.2) are annularly fixed to the bottom end of the annular plate (25), and a plug-in groove (8.2) is provided at the position corresponding to the plug-in block (25.2) at the upper end of the columnar platform (8).

2. The diesel vehicle exhaust pipe with exhaust emission detection function for auxiliary transportation of coal mines according to claim 1, Features: The plug-in connector (11) comprises a vertical rod (11.1), a second spring (11.2), a push plate (11.3), a slide rod (11.4) and a pressure rod (11.5); one side of the vertical rod (11.1) is provided with a first slide groove (11.11); one end of the second spring (11.2) is fixedly connected to the bottom of the first slide groove (11.11), and the other end is fixedly connected to the push plate (11.3); the push plate (11.3) is built in the first slide groove (11.11); two slide rods (11.4) are respectively fixedly connected to the two ends of the push plate (11.3) and one end of the slide rod (11.4) is fixedly connected to the bottom of the first slide groove (11.11). The end of the push rod (11.5) can slide out of the first slide groove (11.11), and one end of the push rod (11.5) can move through the vertical rod (11.1) and is fixedly connected to the push plate (11.3); the socket (10) is built with a slot (10.1) and a second slide groove (10.2), one end of the vertical rod (11.1) is fixedly connected to the chassis connecting member (9), and the other end is inserted into the slot (10.1), wherein a slide rod (11.4) located at the bottom can slide out or slide into the second slide groove (10.2) under the action of the push rod (11.5), so as to realize the separation or locking of the plug-in component (11) and the socket (10).

3. The diesel vehicle exhaust pipe with exhaust emission detection function for auxiliary transportation of coal mines according to claim 1, Features: The filter element (4) is fixedly connected with wing plates (26) on both sides, and connecting grooves are provided at positions corresponding to the wing plates (26) on both sides of the air inlet passage of the columnar platform (8), and docking rods (27) are fixedly connected to the side walls of the connecting grooves, and cross bars (28) are fixedly connected to both sides of the docking rods (27), and locking blocks (29) are slidably connected in the cross bars (28). The wing plates (26) are provided with mounting grooves (26.1) at positions corresponding to the docking rods (27), the cross bars (28) and the locking blocks (29), and the locking and separation of the wing plates (26) and the columnar platform (8) are achieved by sliding the locking blocks (29), and the locking blocks (29) and the mounting grooves (26.1) are interference fit.

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