CN112964424B - Pipeline damage detection equipment for internal combustion engine exhaust manifold - Google Patents

Pipeline damage detection equipment for internal combustion engine exhaust manifold Download PDF

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Publication number
CN112964424B
CN112964424B CN202110136680.XA CN202110136680A CN112964424B CN 112964424 B CN112964424 B CN 112964424B CN 202110136680 A CN202110136680 A CN 202110136680A CN 112964424 B CN112964424 B CN 112964424B
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rod
spring
sliding
pipeline
block
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CN112964424A (en
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孙清华
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Jiangxi Zhangshu Fuling Internal Combustion Engine Accessories Co ltd
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Jiangxi Zhangshu Fuling Internal Combustion Engine Accessories Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/025—Details with respect to the testing of engines or engine parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00—Crushing or disintegrating by reciprocating members
    • B02C1/14—Stamping mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Abstract

The invention relates to pipeline damage detection equipment, in particular to pipeline damage detection equipment for an exhaust manifold of an internal combustion engine. The invention provides a pipeline damage detection device for an exhaust manifold of an internal combustion engine, which has excellent air tightness for plugging the exhaust manifold, is simple and convenient to operate and can automatically destroy damaged inferior-quality products. The utility model provides a damaged check out test set of pipeline for internal-combustion engine exhaust manifold, is equipped with the collecting box on the bottom plate including bottom plate, collecting box, stand, inflation assembly and baffle, the collecting box middle part is equipped with the stand, is equipped with pushing mechanism on the bottom plate, is equipped with positioning mechanism on the pushing mechanism, is equipped with inflation assembly on the positioning mechanism, and inflation assembly and pushing mechanism slidingtype connection are equipped with clamping mechanism on the stand upper portion, and the last gliding style of clamping mechanism is equipped with the baffle. The invention uses the cooperation of the pushing mechanism, the inflation assembly and the baffle plate, the pushing mechanism drives air into the pipeline through the inflation assembly, and the detection result of the pipeline is obtained according to the movement of the baffle plate.

Description

Pipeline damage detection equipment for internal combustion engine exhaust manifold
Technical Field
The invention relates to pipeline damage detection equipment, in particular to pipeline damage detection equipment for an exhaust manifold of an internal combustion engine.
Background
The exhaust manifold for internal combustion engine is a branched pipeline connected with cylinder body of internal combustion engine and used for collecting exhaust gas of every cylinder and leading it into exhaust main pipe, and is generally used for removing waste gas from automobile, and the damaged pipeline can affect the performance of exhaust manifold for internal combustion engine, and it can not be normally used, so that it is a defective product, so that it has need of detecting its damage before it is used.
The patent application CN107576452B, published as 20190416, relates to the technical field of exhaust manifold airtightness detection devices of internal combustion engines, and particularly relates to exhaust manifold airtightness detection equipment and a method, wherein the equipment comprises a driving mechanism, a first sealing assembly and a back-hooking mechanism, the driving mechanism drives the first sealing assembly to be close to an air outlet of an exhaust manifold, the back-hooking mechanism exceeds the first sealing assembly, an acting force is continuously applied to the exhaust manifold through the driving mechanism, and the back-hooking mechanism is retracted under the reaction force of the exhaust manifold and is driven until the end part of the back-hooking mechanism hooks the back of an air outlet flange of the exhaust manifold.
Therefore, it is necessary to provide a pipe breakage detecting apparatus for an exhaust manifold of an internal combustion engine, which has excellent airtightness for plugging the exhaust manifold, is easy and convenient to operate, and can automatically destroy defective breakage products.
Disclosure of Invention
The invention aims to provide pipeline damage detection equipment for an internal combustion engine exhaust manifold, which has excellent air tightness of an exhaust manifold plug, is simple and convenient to operate and can automatically destroy defective damage products, so as to solve the defects that the air tightness detection operation of the exhaust manifold is inconvenient, the air tightness of the exhaust manifold plug is poor and the defective damage products need to be manually destroyed in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a damaged check out test set of pipeline for internal-combustion engine exhaust manifold, including bottom plate, collecting box, stand, gas charging component and baffle, is equipped with the collecting box on the bottom plate, and the collecting box middle part is equipped with the stand, is equipped with pushing mechanism on the bottom plate, and the last positioning mechanism that is equipped with of pushing mechanism is equipped with gas charging component on the positioning mechanism, and gas charging component and pushing mechanism sliding type are connected, and stand upper portion is equipped with clamping mechanism, and the last sliding type of clamping mechanism is equipped with the baffle, and stand upper portion is equipped with discharge mechanism, and discharge mechanism is connected with clamping mechanism.
Further, the upper portion of the upright post is symmetrically provided with a fixing frame, two sides of the fixing frame are respectively provided with a first telescopic rod, a connecting block is connected between the first telescopic rods at the same side, a first spring is wound on the first telescopic rods, the inner end of the first spring is connected with the connecting block, the outer end of the first spring is connected with the fixing frame, two sides of the connecting block are respectively provided with a first connecting rod, and a clamping block is connected between the first connecting rods at the same side.
Further, the bottom plate is provided with an installation block, the top of the installation block is provided with an air cylinder, the telescopic rod of the air cylinder is connected with a push block, the push block is connected with a U-shaped rod, and the installation block and the inflation assembly are both connected with the U-shaped rod in a sliding mode.
Further, an extension rod is arranged at the upper part of the push block, first slide rods are arranged on two sides of the extension rod, a fixing ring is connected between the two first slide rods in a sliding mode and connected with the inflating assembly, a second spring is wound on the first slide rods, and two ends of the second spring are connected with the extension rod and the fixing ring respectively.
Further, a second telescopic rod is arranged on the upper portion of the upright, the baffle is connected with the second telescopic rod, a third spring is wound on the second telescopic rod, two ends of the third spring are respectively connected with the baffle and the upright, a second connecting rod is arranged at the bottom of the baffle, ejector rods are arranged on two sides of the second connecting rod, a wedge-shaped block is arranged in the middle of the bottom of the connecting block, and the wedge-shaped block is in contact fit with the ejector rods on the same side.
Further, a mounting ring is arranged in the middle of the U-shaped rod, a first sliding groove is formed in the mounting ring, a second sliding rod is arranged on the first sliding groove in a sliding mode, a second sliding groove is formed in the top of the connecting block on one side, a third sliding rod is arranged on the second sliding groove in a sliding mode, a rack is connected between the third sliding rod and the second sliding rod, a bearing seat is arranged on the upper portion of the upright post, a rotating shaft is arranged on the bearing seat, a breaking hammer is arranged on the rotating shaft, a straight gear is arranged on the rotating shaft and meshed with the rack, a torsion spring is wound on the rotating shaft, and two ends of the torsion spring are respectively connected with the breaking hammer and the straight gear.
Further explaining, a fixed plate is arranged at the top of the collecting box, third telescopic rods are evenly arranged on the fixed plate, stress plates are connected among the third telescopic rods, fourth springs are wound on the third telescopic rods, the two ends of each fourth spring are respectively connected with the fixed plate and the stress plates, and three cushion pads are evenly arranged at the tops of the stress plates.
Further, the cushion pad is made of foam.
Compared with the prior art, the invention has the following beneficial effects: 1. according to the pipeline detection device, the pushing mechanism, the inflation assembly and the baffle are matched, the pushing mechanism is used for driving air into a pipeline through the inflation assembly, and the detection result of the pipeline is obtained according to whether the baffle moves or not;
2. the clamping mechanism clamps the pipeline through the matching of the discharging mechanism and the clamping mechanism, so that the pipeline is not deviated during detection, and the baffle drives the discharging mechanism to operate, so that the clamping mechanism is driven to move outwards, and the effect of automatically discharging the undamaged pipeline is realized;
3. through the matching of the pushing mechanism and the positioning mechanism, the gas outlet of the inflation assembly is precisely matched with the pipeline opening so as to achieve the positioning effect and improve the air tightness of the exhaust manifold;
4. the pushing mechanism is matched with the defective product destroying mechanism and drives the defective product destroying mechanism to reciprocate, so that the effect of destroying defective products by the defective product destroying mechanism is realized;
5. through being equipped with buffer gear, realize not having the effect that damaged pipeline buffering was unloaded, avoid normal pipeline to break, have damaged pipeline to be collected into buffer gear by the unusual of pounding to pieces, reduce the operation of artifical clearance substandard product waste material.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the clamping mechanism of the present invention.
Fig. 3 is a schematic perspective view of the pushing mechanism of the present invention.
Fig. 4 is a schematic perspective view of the positioning mechanism of the present invention.
Fig. 5 is a schematic perspective view of the discharging mechanism of the present invention.
Fig. 6 is a schematic perspective view of a buffering mechanism of the present invention.
Fig. 7 is a schematic perspective view of a first part of the defective destruction mechanism according to the present invention.
Fig. 8 is a schematic perspective view of a second portion of the inferior destruction mechanism of the present invention.
In the above drawings: 1: bottom plate, 21: collection tank, 22: column, 23: inflation assembly, 24: baffle, 3: clamping mechanism, 31: mount, 32: first telescopic link, 33: first spring, 34: connecting block, 35: first connecting rod, 36: clamping block, 4: pushing mechanism, 41: mounting block, 42: cylinder, 43: push block, 44: u-shaped rod, 5: positioning mechanism, 51: extension rod, 52: first slide bar, 53: retainer ring, 54: second spring, 6: discharge mechanism, 61: second telescopic link, 62: third spring, 63: second extension rod, 64: ejector pin, 65: wedge block, 7: buffer mechanism, 71: fixing plate, 72: third telescopic rod, 73: fourth spring, 74: stress plate, 75: cushion pad, 8: defective destruction mechanism, 81: mounting ring, 82: first chute, 83: second slide bar, 84: second chute, 85: third slide bar, 86: rack, 87: bearing seat, 88: rotating shaft, 89: breaking hammer, 810: spur gear, 811: a torsion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a pipeline damage detection device for an internal combustion engine exhaust manifold comprises a bottom plate 1, a collecting box 21, a stand column 22, an inflation assembly 23, a baffle plate 24, a clamping mechanism 3, a fixed frame 31, a first telescopic rod 32, a first spring 33, a connecting block 34, a first connecting rod 35, a clamping block 36, a pushing mechanism 4, a mounting block 41, a cylinder 42, a pushing block 43, a U-shaped rod 44, a positioning mechanism 5, an extension rod 51, a first sliding rod 52, a fixed ring 53, a second spring 54, a discharging mechanism 6, a second telescopic rod 61, a third spring 62, a second connecting rod 63, a push rod 64, a wedge-shaped block 65, a buffering mechanism 7, a fixed plate 71, a third telescopic rod 72, a fourth spring 73, a stressed plate 74, a cushion 75, a defective product destroying mechanism 8, a mounting ring 81, a first sliding chute 82, a second sliding rod 83, a second sliding chute 84, a third sliding rod 85, a rack 86, a bearing seat 87, a rotating shaft 88, a breaking hammer 89, a straight gear 810 and a torsion spring 811, the right side of the bottom plate 1 is provided with the collecting box 21, the stand column 22, the middle of the bottom plate 1 is provided with the pushing assembly 4, the clamping mechanism 4 is provided with the clamping mechanism 3, the clamping mechanism 23, the upper portion of the clamping mechanism 3 is provided with the clamping mechanism 3, the clamping mechanism 4 is provided with the sliding mechanism 3, the clamping mechanism 3 is provided with the sliding mechanism 6, the lifting mechanism 3 and the clamping mechanism 3.
The upper portion symmetry of stand 22 is equipped with mount 31, and both sides all are equipped with first telescopic link 32 around mount 31, are connected with connecting block 34 between the first telescopic link 32 of horizontal homonymy, around having first spring 33 on first telescopic link 32, first spring 33 the inner is connected with connecting block 34, and first spring 33 outer end is connected with mount 31, and both sides all are equipped with head rod 35 around the connecting block 34, are connected with clamp splice 36 between the head rod 35 of horizontal homonymy.
The left side is equipped with installation piece 41 on bottom plate 1, and cylinder 42 is installed at installation piece 41 top, is connected with ejector pad 43 on the cylinder 42 telescopic link, is connected with U type pole 44 on the ejector pad 43, and installation piece 41 and inflation assembly 23 all with U type pole 44 sliding connection.
An extension rod 51 is arranged at the upper part of the push block 43, first sliding rods 52 are arranged on the front side and the rear side of the extension rod 51, a fixing ring 53 is connected between the two first sliding rods 52 in a sliding manner, the fixing ring 53 is connected with the inflation assembly 23, a second spring 54 is wound on the left side of the first sliding rod 52, and two ends of the second spring 54 are respectively connected with the extension rod 51 and the fixing ring 53.
Upright 22 upper portion is equipped with second telescopic link 61, and baffle 24 is connected with second telescopic link 61, and it has third spring 62 to wind on the second telescopic link 61, and third spring 62 both ends are connected with baffle 24 and upright 22 respectively, and baffle 24 bottom is equipped with the second and connects pole 63, and the second connects pole 63 front and back both sides all to be equipped with ejector pin 64, is equipped with wedge 65 in the middle of the connecting block 34 bottom, and wedge 65 contacts the cooperation with the ejector pin 64 of homonymy.
The middle of the left side of the U-shaped rod 44 is provided with a mounting ring 81, the mounting ring 81 is provided with a first sliding groove 82, the first sliding groove 82 is slidably provided with a second sliding rod 83, the top of the connecting block 34 at the front side is provided with a second sliding groove 84, the second sliding groove 84 is slidably provided with a third sliding rod 85, a rack 86 is connected between the rear end of the third sliding rod 85 and the right end of the second sliding rod 83, the left side of the upper part of the upright column 22 is provided with a bearing seat 87, the bearing seat 87 is provided with a rotating shaft 88, the rear side of the rotating shaft 88 is provided with a breaking hammer 89, the front side of the rotating shaft 88 is provided with a straight gear 810, the straight gear 810 is meshed with the rack 86, the rotating shaft 88 is wound with a torsion spring 811, and two ends of the torsion spring 811 are respectively connected with the breaking hammer 89 and the straight gear 810.
The collecting box 21 top is equipped with fixed plate 71, evenly is equipped with third telescopic link 72 on the fixed plate 71, is connected with atress board 74 between many third telescopic links 72, and it has fourth spring 73 to wind on the third telescopic link 72, and the fourth spring 73 both ends are connected with fixed plate 71 and atress board 74 respectively, and the top of atress board 74 evenly is equipped with three blotter 75 from a left side to the right side.
When people need to detect the pipeline damage of the exhaust manifold of the internal combustion engine, the detection equipment can be used, firstly, people place the pipeline to be detected on the clamping mechanism 3 and clamp the pipeline, then the pushing mechanism 4 is opened, the pushing mechanism 4 injects air into the pipeline through the air charging component 23, if the baffle 24 pushes rightwards, the surface pipeline is normally not damaged, if the baffle 24 cannot push rightwards, the surface pipeline is abnormally damaged, the pushing mechanism 4 operates to drive the positioning mechanism 5 to operate, the positioning mechanism 5 enables the air outlet of the air charging component 23 to be accurately matched with the pipeline opening so as to achieve the positioning effect, the undamaged pipeline drives the discharging mechanism 6 to operate through the baffle 24, the clamping mechanism 3 is driven to move outwards, the automatic discharging effect of the undamaged pipeline is achieved, if the pipeline is detected to be damaged, people manually take down and destroy defective products, and when the pushing mechanism 4 resets, the pushing mechanism 4 is closed.
People breaks clamp splice 36 outward, and clamp splice 36 drives head rod 35 and connecting block 34 and all moves to the outside, and first telescopic link 32 and first spring 33 all shrink for the pipeline is arranged in between two clamp splices 36, loosens clamp splice 36 after, and first telescopic link 32 and first spring 33 all reset, and the pipeline is pressed from both sides tightly, detects the completion back, and outside pulling connecting block 34 can realize that the pipeline is unloaded.
Open cylinder 42, cylinder 42 telescopic link is flexible to be driven ejector pad 43 and U type pole 44 left and right reciprocating motion, and U type pole 44 pushes the gas in aeration component 23 into the pipeline in the right side, realizes the effect that the pipeline was damaged and detects, and U type pole 44 moves left and closes cylinder 42 after reseing.
The push block 43 moves rightwards to drive the extension rod 51, the first sliding rod 52, the fixed ring 53, the second spring 54 and the inflating assembly 23 to move rightwards, when the inflating assembly 23 moves rightwards to be in contact with the clamping block 36, the inflating assembly 23 and the fixed ring 53 both stop moving rightwards, the extension rod 51 and the first sliding rod 52 continue moving rightwards, the second spring 54 is compressed, so that the air outlet of the inflating assembly 23 is precisely matched with the pipeline opening to achieve the positioning effect, the push block 43 moves leftwards to drive the extension rod 51, the first sliding rod 52, the fixed ring 53, the second spring 54 and the inflating assembly 23 to move leftwards, the inflating assembly 23 is not in contact with the clamping block 36 any more, and the second spring 54 resets.
If the pipeline is detected to have the damage, then baffle 24 is motionless, people take off and destroy the substandard product can, if the pipeline is detected not to be damaged, then baffle 24 moves right and makes second telescopic link 61 and third spring 62 shrink, and drive the second and connect pole 63 and ejector pin 64 and move right, ejector pin 64 makes wedge 65 outwards move, thereby drive connecting block 34 outwards move, realize normal pipeline automatic discharge's effect, second telescopic link 61 and third spring 62 reset afterwards, baffle 24 drives the second and connects pole 63 and ejector pin 64 and moves left.
The U-shaped rod 44 moves left and right to drive the mounting ring 81, the first sliding groove 82, the second sliding rod 83 and the rack 86 to do left and right reciprocating motion, when the rack 86 moves right, the straight gear 810 idles, when the rack 86 moves left, the straight gear 810 drives the rotating shaft 88 to rotate, so that the breaking hammer 89 is driven to swing downwards, the torsion spring 811 torsionally deforms, the breaking hammer 89 smashes the damaged pipeline, the effect of destroying inferior products is achieved, and when the rack 86 continues to move left and is not meshed with the straight gear 810 any more, the torsion spring 811 resets to enable the breaking hammer 89 to swing upwards and reset.
Normal undamaged pipeline falls on blotter 75, pipeline weight increases makes third telescopic link 72 and fourth spring 73 all shrink, atress board 74 and blotter 75 slowly descend, realize the effect of no damaged pipeline buffering unloading, avoid normal pipeline to break, the unusual damaged pipeline that has of being mashed for has then to fall into in collecting box 21, after people take off normal pipeline in proper order, third telescopic link 72 and fourth spring 73 reset, atress board 74 and blotter 75 slowly rise.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a damaged check out test set of pipeline for internal-combustion engine exhaust manifold, includes bottom plate (1), collecting box (21), stand (22), aerifys subassembly (23) and baffle (24), characterized by: the collecting box (21) is arranged on the bottom plate (1), the upright post (22) is arranged in the middle of the collecting box (21), the pushing mechanism (4) is arranged on the bottom plate (1), the positioning mechanism (5) is arranged on the pushing mechanism (4), the inflating assembly (23) is arranged on the positioning mechanism (5), the inflating assembly (23) is connected with the pushing mechanism (4) in a sliding mode, the clamping mechanism (3) is arranged on the upper portion of the upright post (22), the baffle (24) is arranged on the clamping mechanism (3) in a sliding mode, the discharging mechanism (6) is arranged on the upper portion of the upright post (22), and the discharging mechanism (6) is connected with the clamping mechanism (3);
the upper part of the upright post (22) is symmetrically provided with a fixed frame (31), the front side and the rear side of the fixed frame (31) are respectively provided with a first telescopic rod (32), a connecting block (34) is connected between the first telescopic rods (32) on the same transverse side, a first spring (33) is wound on the first telescopic rods (32), the inner end of the first spring (33) is connected with the connecting block (34), the outer end of the first spring (33) is connected with the fixed frame (31), the front side and the rear side of the connecting block (34) are respectively provided with a first connecting rod (35), and a clamping block (36) is connected between the first connecting rods (35) on the same transverse side;
the left side of the bottom plate (1) is provided with an installation block (41), the top of the installation block (41) is provided with an air cylinder (42), a telescopic rod of the air cylinder (42) is connected with a push block (43), the push block (43) is connected with a U-shaped rod (44), and the installation block (41) and the inflation assembly (23) are both connected with the U-shaped rod (44) in a sliding manner;
an extension rod (51) is arranged at the upper part of the push block (43), first sliding rods (52) are arranged on the front side and the rear side of the extension rod (51), a fixing ring (53) is connected between the two first sliding rods (52) in a sliding manner, the fixing ring (53) is connected with the inflating assembly (23), a second spring (54) is wound on the left side of each first sliding rod (52), and two ends of each second spring (54) are respectively connected with the extension rod (51) and the fixing ring (53);
a second telescopic rod (61) is arranged at the upper part of the upright post (22), the baffle (24) is connected with the second telescopic rod (61), a third spring (62) is wound on the second telescopic rod (61), two ends of the third spring (62) are respectively connected with the baffle (24) and the upright post (22), a second connecting rod (63) is arranged at the bottom of the baffle (24), ejector rods (64) are respectively arranged at the front side and the rear side of the second connecting rod (63), a wedge-shaped block (65) is arranged in the middle of the bottom of the connecting block (34), and the wedge-shaped block (65) is in contact fit with the ejector rods (64) at the same side;
a mounting ring (81) is arranged in the middle of the left side of the U-shaped rod (44), a first sliding groove (82) is formed in the mounting ring (81), a second sliding rod (83) is arranged on the first sliding groove (82) in a sliding mode, a second sliding groove (84) is formed in the top of a connecting block (34) on the front side, a third sliding rod (85) is arranged on the second sliding groove (84) in a sliding mode, a rack (86) is connected between the rear end of the third sliding rod (85) and the right end of the second sliding rod (83), a bearing seat (87) is arranged on the left side of the upper portion of the upright column (22), a rotating shaft (88) is arranged on the bearing seat (87), a breaking hammer (89) is arranged on the rear side of the rotating shaft (88), a straight gear (810) is arranged on the front side of the rotating shaft (88), the straight gear (810) is meshed with the rack (86), a torsion spring (811) is wound on the rotating shaft (88), and two ends of the torsion spring (811) are respectively connected with the breaking hammer (89) and the straight gear (810);
collecting box (21) top is equipped with fixed plate (71), evenly be equipped with third telescopic link (72) on fixed plate (71), be connected with atress board (74) between many third telescopic links (72), around having fourth spring (73) on third telescopic link (72), fourth spring (73) both ends are connected with fixed plate (71) and atress board (74) respectively, and atress board (74) top evenly is equipped with three blotter (75) from a left side to the right side.
2. The pipe breakage detecting apparatus for an exhaust manifold of an internal combustion engine as claimed in claim 1, wherein the cushion pad (75) is made of a foam material.
CN202110136680.XA 2021-02-01 2021-02-01 Pipeline damage detection equipment for internal combustion engine exhaust manifold Active CN112964424B (en)

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