CN113776841B - Take tail gas collection device's engine on-line testing system - Google Patents
Take tail gas collection device's engine on-line testing system Download PDFInfo
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- CN113776841B CN113776841B CN202111335999.1A CN202111335999A CN113776841B CN 113776841 B CN113776841 B CN 113776841B CN 202111335999 A CN202111335999 A CN 202111335999A CN 113776841 B CN113776841 B CN 113776841B
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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
- G01M15/00—Testing of engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
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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
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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Abstract
The invention discloses an engine online testing system with a tail gas collecting device, which belongs to the technical field of engine testing and comprises an equipment rack, wherein the equipment rack comprises a detection platform with supporting legs at four corners of the bottom, a notch is formed in the top of the detection platform, a limiting slide rail comprises two groups of I-shaped linear slide rails symmetrically arranged on two sides of the notch, an engine placing platform for placing and moving an engine is horizontally arranged between the tops of the two groups of I-shaped linear slide rails, and a push-pull air cylinder is arranged at the bottom of the engine placing platform; when the engine needs to be hoisted and installed, the engine mounting platform is pushed to the rear side of the equipment rack by controlling the extension of the push-pull air cylinder, so that the phenomenon that the engine collides with equipment above the equipment rack is avoided, the sealing sleeve can be sleeved and fixed at the tail gas discharge end of the engine by utilizing the inflation and expansion characteristics of the sealing air bag, and the sealing performance of the joint of the sealing sleeve and the engine is ensured.
Description
Technical Field
The invention relates to the technical field of engine testing, in particular to an engine online testing system with a tail gas collecting device.
Background
The automatic engine measuring and controlling system is a large measuring and controlling system which is elaborately designed for meeting the performance tests and delivery tests of various diesel engines, gasoline engines, natural gas engines and liquefied gas engines. It can be matched with various hydraulic, electric eddy current and electric dynamometer at home and abroad, and is used for controlling and measuring various parameters of different types such as rotating speed, torque, power, fuel/gas consumption, temperature, pressure and flow of the engine.
For example, chinese patent application No. CN201410755850.2 discloses an engine online test bench with a tail gas collecting device, which comprises the following specific contents: an engine online test bench with a tail gas collecting device comprises an integrally designed chassis, a load box, an electric box, a working bedplate, a pneumatic control element box and an operation control box; the working table plate is isolated from the chassis by a rubber spring composite shock absorber; the pneumatic control element box and the operation control box are both rigidly connected with the chassis; the electric box is fixedly arranged on the side surface of the chassis, and the load box is fixed in the chassis; the chassis is also connected with a tail gas collecting device through a loader sliding table. The device can greatly save the field installation work amount, avoid secondary wiring faults and improve the reliability of the device, and the device can be placed in place at one time, is plug-and-play and is very simple and convenient to operate; meanwhile, the tail gas collecting device can be synchronously driven to be in butt joint by utilizing the butt joint action of the loader sliding table, so that the waste gas in a working state can be effectively sucked, and the interference of the action of the engine entering and exiting the test table with the action of the engine in a non-working state can be avoided;
for example, chinese patent application No. CN202110466335.2 discloses an engine testing device and a testing method thereof, the specific contents of which are: the engine testing device comprises a quick-mounting trolley, centering equipment and a rack, wherein the quick-mounting trolley comprises a bottom plate, four supporting structures are movably arranged on the bottom plate, the engine testing device also comprises a controller, positioners are respectively arranged on four corners of the engine, and inductors matched with the positioners are arranged on the supporting structures; the positioner is used for continuously sending induction signals to one side of the bottom plate; the sensor is used for receiving the induction signal and responding to the induction signal to transmit a matching signal to the controller; the controller is used for controlling the supporting structure to move on the bottom plate and stopping moving the supporting structure after receiving the matching signal. In the process of installing the engine into the quick-mounting trolley, workers do not need to manually adjust the position of the supporting structure, the supporting structure can automatically support the engine, and the adjustment of the position of the engine is automatically completed in the subsequent centering adjustment, so that the workload of the workers is further reduced, and the engine installation work is more convenient;
for example, chinese patent application No. CN202010800537.1 discloses an exhaust gas purification device applied to a test engine, which includes the following specific contents: an exhaust gas purifying apparatus applied to a test engine, comprising: catalytic pipeline, exhaust cooling pipe, control box, air filter element group spare, condenser subassembly, display, monitoring sensor. The invention can reduce the emission of harmful substances such as sulfur dioxide, nitric oxide, carbon monoxide, PM2.5 (fine particulate matters) and the like in the tail gas of the engine and reduce the pollution to the atmosphere.
Although the first patent application discloses the collection of the tail gas of the engine, the engine needs to be directly hoisted on a detection platform, the collision phenomenon can occur between the engine and the detection equipment in the hoisting process, the damage phenomenon between the engine and the detection equipment is caused, and a specific connection structure between the engine and a tail gas outlet of the engine is lacked, the second patent application discloses that a fast-assembly trolley is used for moving during the monitoring of the engine, but the engine is also influenced by a surrounding bracket when being hoisted on the fast-assembly trolley, so that the installation and the disassembly of the engine during the detection are complicated, the third patent application discloses a tail gas treatment mode in the detection process of the engine, but the connection between a three-element catalyst and the tail gas outlet of the engine is connected through a flange, the installation and the disassembly processes are complicated, and the sealing performance of the connection part can not be ensured, based on the above, the invention designs an engine on-line testing system with a tail gas collecting device, so as to solve the problems.
Disclosure of Invention
The invention aims to provide an engine online test system with a tail gas collecting device, and aims to solve the problems that the engine mounting process proposed in the background art is complicated, the engine is easily influenced by an equipment support to cause a collision phenomenon between an engine and equipment, and the engine testing efficiency is influenced due to the complicated mounting mode with the tail gas discharge end of the engine.
In order to achieve the purpose, the invention provides the following technical scheme: an engine on-line test system with a tail gas collecting device comprises
The device comprises an equipment rack, wherein the equipment rack comprises a detection platform with supporting legs at four corners of the bottom, a notch is formed in the top of the detection platform, and the equipment platform is horizontally arranged between the supporting legs at the bottom of the detection platform;
the limiting slide rails comprise two groups of I-shaped linear slide rails symmetrically arranged on two sides of the notch, an engine mounting platform used for mounting and moving an engine is horizontally mounted between the tops of the two groups of I-shaped linear slide rails, and a push-pull air cylinder used for driving the engine mounting platform to slide back and forth is mounted between the bottom of the engine mounting platform and the bottom of the equipment rack;
the tail gas collecting mechanism and the engine detection assembly are respectively arranged on two sides of a detection platform of the equipment rack, the tail gas collecting mechanism and the engine detection assembly are symmetrically arranged relative to the engine, the tail gas collecting mechanism is connected with a tail gas discharge end of the engine, and the engine detection assembly is connected with one side shaft end of the engine;
the tail gas collecting mechanism is arranged on the bottom equipment platform of the equipment rack, one end of the tail gas collecting mechanism is communicated with an inner cavity of the tail gas treating water tank through a pipeline, the heat dissipation assembly is arranged below the equipment rack detection platform, and the heat dissipation assembly is not in contact with the push-pull air cylinder;
the equipment rack is also provided with a control display device for operation control, and the control display device comprises a control host arranged on the equipment rack platform, a display and a control panel arranged on the equipment rack detection platform.
Preferably, the tail gas collecting mechanism comprises a three-way catalyst which is installed on the equipment rack detection platform through bolts, triangular flange discs are welded at two ends of the three-way catalyst, a three-way pipe joint is installed at one end of the three-way catalyst, flexible corrugated pipes are installed at two ends of the three-way pipe joint, and a sealing sleeve bowl connected with the tail gas discharge end of the engine is arranged at one end, far away from the three-way pipe joint, of the flexible corrugated pipes.
Preferably, the seal cover bowl is including setting up the air bag in its inner chamber, just the air bag is close to the outer end setting of seal cover bowl, the top of seal cover bowl still is provided with and is used for the gas filled gas tube of air bag, just the lateral wall of gas tube is provided with and is used for the valve that the air bag deflated.
Preferably, the four corners of the top of the engine mounting platform are provided with positioning bolts for fixing the engine, the bottom of the engine mounting platform is symmetrically provided with limiting sliding blocks matched with the limiting sliding rails, the limiting sliding blocks are arranged at the tops of the limiting sliding rails, the bottom of the engine mounting platform is fixedly provided with a connecting plate matched with the push-pull air cylinder through bolts, a connecting sleeve matched with the telescopic end of the push-pull air cylinder is welded on the side wall of the connecting plate, and a heat dissipation port is formed in the middle of the top of the engine mounting platform.
Preferably, the bottom of engine be provided with positioning bolt matched with supporting legs, the one end of engine install with engine determine module matched with detects the sleeve, positioning slot has been seted up to the telescopic lateral wall symmetry of detection, the lifting hook is installed to the top symmetry of engine.
Preferably, the engine detection subassembly includes to be installed through the bolt the triaxial guide rail slip table module of equipment rack testing platform, the top of triaxial guide rail slip table module has the motor mounting panel through the bolt fastening, the lateral wall of motor mounting panel has the detection motor through the bolt fastening, just the output axle head that detects the motor passes the lateral wall of motor mounting panel, the output axle head symmetrical weld that detects the motor have with positioning slot matched with locator card pole.
Preferably, the top of the tail gas treatment water tank is provided with a water injection port with a sealing cover and a gas collecting hood respectively, the gas collecting hood is connected with the inner cavity of the tail gas treatment water tank, and the top of the gas collecting hood is provided with an exhaust pipe.
Preferably, the heat dissipation assembly comprises two rectangular supports which are installed at the bottom of the equipment rack detection platform through bolts, the two rectangular supports are symmetrically arranged around a notch on the equipment rack detection platform, a heat dissipation fan is fixed between the bottoms of the two rectangular supports through bolts, a heat dissipation pipe is horizontally installed between the two heat dissipation fans through a pipe support, the heat dissipation pipe is arranged above the heat dissipation fan, and the heat dissipation pipe is not in contact with the push-pull air cylinder;
radiator unit is still including installing the condenser of equipment rack bottom equipment platform, just the input of condenser with there is the suction pump through the pipe installation between tail gas treatment water tank's the inner chamber, the output of condenser with the one end intercommunication of cooling tube, the other end of cooling tube with tail gas treatment water tank's inner chamber intercommunication.
Preferably, the detection platform of equipment rack has two backup pads with the vertical welding in rear side of equipment platform, and two the backup pad about notch symmetry on the equipment rack detection platform sets up, the lateral wall of backup pad with the gusset plate has been welded in the slope between the bottom of spacing slide rail, two spacing slide rail is kept away from the one end of gusset plate is provided with buffering subassembly.
Compared with the prior art, the invention has the beneficial effects that:
1) according to the invention, two groups of limiting slide rails are symmetrically arranged on the detection platform of the equipment rack, and the engine placing platform capable of sliding along the tops of the two limiting slide rails is arranged at the tops of the two limiting slide rails, when the engine needs to be hoisted and installed, the engine placing platform is pushed to the rear side of the equipment rack by controlling the extension of the push-pull cylinder, so that the problem of complex installation caused by the limitation of equipment above the equipment rack in the installation process of the engine is reduced, and the phenomenon that the engine collides with the equipment above the equipment rack is avoided;
2) according to the invention, the flexible corrugated pipe with the sealing sleeve bowl is arranged at the end part of the three-way pipe joint in the tail gas collecting mechanism, the flexible corrugated pipe has certain flexibility, so that the sealing sleeve bowl is convenient to stretch and butt joint with the tail gas discharge end of the engine, the sealing airbag is arranged in the inner cavity of the sealing sleeve bowl, after the sealing sleeve bowl is sleeved on the tail gas discharge end of the engine, the sealing airbag is inflated through the inflation pipe, the sealing sleeve bowl can be sleeved and fixed on the tail gas discharge end of the engine by utilizing the inflation expansion characteristic of the sealing airbag, the sealing performance of the joint of the sealing sleeve bowl and the engine is ensured, the sealing airbag is deflated only through the exhaust valve of the inflation pipe during disassembly, and the disassembly is convenient and rapid;
3) according to the tail gas collecting mechanism, the tail gas is collected through the three-way catalytic converter and then directly introduced into the inner cavity of the tail gas treatment water tank, water in the tail gas treatment water tank is filtered and then discharged through the exhaust pipe, and water in the tail gas treatment water tank can be used as water for the cooling process of the heat dissipation assembly, so that the phenomenon that the water tanks are required to be arranged on the tail gas collecting mechanism and the heat dissipation assembly respectively is avoided, and the size and the cost of equipment are reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an elevational isometric view of the present invention;
FIG. 2 is a bottom isometric view of the present invention;
FIG. 3 is a rear perspective view of the present invention without the engine mounting platform and engine;
FIG. 4 is a rear isometric view of the present invention;
FIG. 5 is an enlarged view of part B of the present invention;
FIG. 6 is a front view of the present invention;
FIG. 7 is a schematic view of the structure of the tail gas collecting mechanism of the present invention;
FIG. 8 is an enlarged view of portion A of the present invention;
FIG. 9 is a schematic view of the engine mounting platform and engine configuration of the present invention;
FIG. 10 is a schematic view of the engine detection assembly of the present invention;
FIG. 11 is a schematic structural diagram of the engine during detection according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-equipment frame, 2-limit slide rail, 21-support plate, 22-reinforcing plate, 23-buffer component, 231-limit baffle, 232-buffer slide block, 233-buffer spring, 3-engine mounting platform, 31-positioning bolt, 32-limit slide block, 33-connecting plate, 34-connecting sleeve, 35-heat dissipation port, 4-engine, 41-detection sleeve, 42-positioning clamping groove, 43-lifting hook, 5-tail gas collecting mechanism, 51-three-way catalyst, 52-triangular flange, 53-three-way pipe joint, 54-flexible corrugated pipe, 55-sealing cover bowl, 551-sealing air bag, 552-inflation pipe, 6-engine detection component, 61-three-axis guide rail sliding table module, 62-motor mounting plate, 63-detection motor, 64-positioning clamping rod, 7-tail gas treatment water tank, 71-gas collecting hood, 72-exhaust pipe, 8-radiating component, 81-rectangular bracket, 82-radiating fan, 83-radiating pipe, 84-condenser, 85-water pump, 9-push-pull cylinder, 91-cylinder mounting seat, 10-control display device, 101-control host, 102-display and 103-control panel.
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. 1-11, the present invention provides a technical solution: an engine on-line testing system with a tail gas collecting device comprises an equipment rack 1, wherein the equipment rack 1 comprises a detection platform with supporting legs at four corners of the bottom, a notch is formed in the top of the detection platform, the equipment platform is horizontally arranged between the supporting legs at the bottom of the detection platform, a limiting slide rail 2 comprises two groups of I-shaped linear slide rails symmetrically arranged at two sides of the notch, an engine placing platform 3 used for placing and moving an engine 4 is horizontally arranged between the tops of the two groups of I-shaped linear slide rails, a push-pull air cylinder 9 used for driving the engine placing platform 3 to slide back and forth is arranged between the bottom of the engine placing platform 3 and the bottom of the equipment rack 1, in order to solve the problem that the engine 4 is complex in the installation process and is easily influenced by an equipment support to cause the collision phenomenon between the engine 4 and equipment, two groups of limiting slide rails 2 are symmetrically arranged on the detection platform of the equipment rack 1, the engine placing platform 3 capable of sliding along the top of the two limiting slide rails 2 is arranged at the top of the two limiting slide rails 2, when the engine 4 needs to be hoisted and installed, the engine placing platform 3 is pushed to the rear side of the equipment rack 1 by controlling the extension of the push-pull air cylinder 9, so that the problem of complex installation caused by the limitation of equipment above the equipment rack 1 in the installation process of the engine 4 is solved, and the phenomenon that the engine 4 collides with the equipment above the equipment rack 1 is avoided;
in order to improve the supporting strength of the extending end of the limiting slide rail 2, two supporting plates 21 are vertically welded on the detection platform of the equipment rack 1 and the rear side of the equipment platform, the two supporting plates 21 are symmetrically arranged relative to the notch on the detection platform of the equipment rack 1, a reinforcing plate 22 is obliquely welded between the side wall of the supporting plate 21 and the bottom of the limiting slide rail 2, the supporting strength of the limiting slide rail 2 is improved by utilizing the reinforcing plate 22 to support the limiting slide rail 2, in order to avoid the collision phenomenon between the engine placing platform 3 and the end part when sliding to the end part of the limiting slide rail 2 on the limiting slide rail 2, one end of the two limiting slide rails 2 far away from the reinforcing plate 22 is provided with a buffer assembly 23, the buffer assembly 23 comprises a limiting baffle 231 symmetrically welded at the end part of the limiting slide rail 2 and a buffer slide block 232 clamped at the top part of the limiting slide rail 2, and a buffer spring 233 is welded between the limiting baffle 231 and the side wall of the buffer slide block 232, when the engine mounting platform 3 slides on the limiting slide rail 2, the engine mounting platform can firstly contact with the buffer slide block 232 to push the buffer slide block 232 to slide on the limiting slide rail 2, so that the buffer spring 233 is compressed, and the collision and impact phenomena between the engine mounting platform 3 and the limiting baffle 231 at the end part of the limiting slide rail 2 are avoided by utilizing the elastic buffering action of the buffer spring 233;
the four corners of the top of the engine mounting platform 3 are all provided with positioning bolts 31 for fixing the engine 4, the bottom of the engine mounting platform 3 is symmetrically provided with limiting slide blocks 32 matched with the limiting slide rails 2, the limiting slide blocks 32 are arranged at the tops of the limiting slide rails 2, the bottom of the engine mounting platform 3 is fixedly provided with connecting plates 33 matched with the push-pull air cylinders 9 through bolts, the side walls of the connecting plates 33 are welded with connecting sleeves 34 matched with the telescopic ends of the push-pull air cylinders 9, the middle of the top of the engine mounting platform 3 is provided with a heat dissipation port 35, the bottom of the detection platform of the equipment rack 1 is fixedly provided with air cylinder mounting seats 91 matched with the push-pull air cylinders 9 through bolts, the air cylinder mounting seats 91 are fixed with the push-pull air cylinders 9 through bolts, the push-pull air cylinders 9 are convenient to be positioned and mounted, and the telescopic ends of the push-pull air cylinders 9 can be connected with the engine mounting platform 3 through the connecting sleeves 34 and the connecting plates 33, therefore, the extension or the shortening of the telescopic end of the push-pull cylinder 9 can drive the engine placing platform 3 to slide on the limiting slide rail 2, and the limiting slide block 32 is used for sliding on the limiting slide rail 2, so that the stability of the engine placing platform 3 in the sliding process is improved;
the bottom of the engine 4 is provided with supporting legs matched with the positioning bolts 31, so that the engine 4 can be conveniently positioned and installed on the engine placing platform 3, one end of the engine 4 is provided with a detection sleeve 41 matched with the engine detection assembly 6, the side wall of the detection sleeve 41 is symmetrically provided with positioning clamping grooves 42, the butt joint with the engine detection assembly 6 is facilitated, and the top of the engine 4 is symmetrically provided with lifting hooks 43, so that the lifting of the engine 4 is facilitated;
the tail gas collecting mechanism 5 and the engine detection component 6 are respectively arranged at two sides of a detection platform of the equipment frame 1, the tail gas collecting mechanism 5 and the engine detection component 6 are symmetrically arranged about the engine 4, the tail gas collecting mechanism 5 is connected with a tail gas discharge end of the engine 4, the engine detection component 6 is connected with one side shaft end of the engine 4, in order to solve the problem that the installation mode of the tail gas discharge end of the engine is complicated, the tail gas collecting mechanism 5 comprises a three-way catalyst 51 which is installed on the detection platform of the equipment frame 1 through bolts, triangular flange discs 52 are welded at two ends of the three-way catalyst 51, a three-way pipe joint 53 is installed at one end of the three-way catalyst 51, flexible corrugated pipes 54 are installed at two ends of the three-way pipe joint 53, and a sealing sleeve 55 connected with the tail gas discharge end of the engine 4 is arranged at one end of the flexible corrugated pipes 54 far away from the three-way pipe joint 53, the sealing gland bowl 55 comprises a sealing air bag 551 arranged in the inner cavity of the sealing gland bowl 55, the sealing air bag 551 is arranged close to the outer end of the sealing gland bowl 55, an inflation tube 552 used for inflating the sealing air bag 551 is further arranged at the top of the sealing gland bowl 55, a valve used for deflating the sealing air bag 551 is arranged on the side wall of the inflation tube 552, a flexible corrugated tube 54 with the sealing gland bowl 55 is arranged at the end part of a three-way pipe joint 53 in the exhaust gas collecting mechanism 5, the sealing gland bowl 55 is convenient to stretch and butt joint with the exhaust gas discharge end on the engine 4 by utilizing certain flexibility of the flexible corrugated tube 54, the sealing gland bowl 55 is provided with the sealing air bag 551 in the inner cavity of the sealing gland bowl 55, after the sealing gland bowl 55 is sleeved on the exhaust gas discharge end on the engine 4, the sealing air bag 551 is inflated by utilizing the inflation characteristic of the sealing air bag 551, so that the sealing gland bowl 55 can be sleeved and fixed on the exhaust gas discharge end of the engine 4, the sealing performance of the joint of the sealing sleeve bowl 55 and the engine 4 is ensured, and the sealing air bag 551 is only required to be deflated through the exhaust valve of the inflation tube 552 during disassembly, so that the disassembly is convenient and rapid;
the engine detection assembly 6 comprises a three-axis guide rail sliding table module 61 (the model of the three-axis guide rail sliding table module 61 is FSL120 XYZ-L) which is installed on a detection platform of the equipment rack 1 through bolts, a motor installation plate 62 is fixed at the top of the three-axis guide rail sliding table module 61 through bolts, a detection motor 63 is fixed on the side wall of the motor installation plate 62 through bolts, the output shaft end of the detection motor 63 penetrates through the side wall of the motor installation plate 62, positioning clamping rods 64 matched with the positioning clamping grooves 42 are symmetrically welded at the output shaft end of the detection motor 63, the positioning clamping rods 64 are clamped in the inner cavity of the positioning clamping grooves 42, positioning installation between the output shaft end of the detection motor 63 and the detection sleeve 41 is facilitated, later-stage die disassembly is facilitated, and the three-axis guide rail sliding table module 61 is arranged, so that the output shaft end of the detection motor 63 is conveniently controlled to be installed in the inner cavity of the detection sleeve 41;
the tail gas treatment device comprises a tail gas treatment water tank 7 and a heat dissipation assembly 8, wherein the tail gas treatment water tank 7 is installed on a bottom device platform of a device rack 1, one end of a tail gas collection mechanism 5 is communicated with an inner cavity of the tail gas treatment water tank 7 through a pipeline, the heat dissipation assembly 8 is arranged below a detection platform of the device rack 1, the heat dissipation assembly 8 is not in contact with a push-pull air cylinder 9, a water injection port with a sealing cover and a gas collection cover 71 are respectively arranged at the top of the tail gas treatment water tank 7, the gas collection cover 71 is connected with the inner cavity of the tail gas treatment water tank 7, and an exhaust pipe 72 is arranged at the top of the gas collection cover 71;
the heat dissipation assembly 8 comprises two rectangular supports 81 which are arranged at the bottom of the detection platform of the equipment rack 1 through bolts, the two rectangular supports 81 are symmetrically arranged relative to the notches on the detection platform of the equipment rack 1, a heat dissipation fan 82 is fixed between the bottoms of the two rectangular supports 81 through bolts, a heat dissipation pipe 83 is horizontally arranged between the two heat dissipation fans 82 through a pipe support, the heat dissipation pipe 83 is arranged above the heat dissipation fan 82, and the heat dissipation pipe 83 is not in contact with the push-pull air cylinder 9;
the heat dissipation assembly 8 further comprises a condenser 84 mounted on an equipment platform at the bottom of the equipment rack 1, a water pump 85 is mounted between the input end of the condenser 84 and the inner cavity of the tail gas treatment water tank 7 through a pipeline, the output end of the condenser 84 is communicated with one end of a heat dissipation pipe 83, the other end of the heat dissipation pipe 83 is communicated with the inner cavity of the tail gas treatment water tank 7, the tail gas collection mechanism 5 collects tail gas through a three-way catalyst 51 and then directly feeds the collected tail gas into the inner cavity of the tail gas treatment water tank 7, the collected tail gas is filtered by water in the tail gas treatment water tank 7 and then discharged through an exhaust pipe 72, and water in the tail gas treatment water tank 7 can be used as water for the cooling process of the heat dissipation assembly 8, so that the phenomenon that water tanks are required to be respectively arranged on the tail gas collection mechanism 5 and the heat dissipation assembly 8 is avoided, and the volume and cost of the equipment are reduced;
the equipment rack 1 is also provided with a control display device 10 for operation control, and the control display device 10 comprises a control host 101 arranged on an equipment platform of the equipment rack 1, and a display 102 and a control panel 103 arranged on a detection platform of the equipment rack 1.
Method for testing engine by using engine online testing system with tail gas collecting device
S1: the equipment is in an initial state (as shown in fig. 1), namely the push-pull cylinder 9 is in an extension state, the engine placing platform 3 is positioned at the rear side of the equipment rack 1, the engine 4 is hoisted, and the engine placing platform 3 is positioned at the rear side of the equipment rack 1, so that the engine 4 can be prevented from colliding with the tail gas collecting mechanism 5 and the engine detecting component 6 in the hoisting process;
s2: when the engine 4 is hoisted to the top of the engine mounting platform 3 in step S1, the engine 4 can be fixed to the top of the positioning bolt 31 under the positioning and fixing action of the positioning bolt 31, the worker sends a command for controlling the shortening of the telescopic end of the push-pull cylinder 9 to the control host 101 through the control panel 103, the shortening of the telescopic end of the push-pull cylinder 9 can drive the engine mounting platform 3 to slide above the limit slide rail 2, the sliding of the engine mounting platform 3 is under the limit action of the limit slide block 32, so as to avoid the deflection phenomenon in the sliding process, the worker can reduce the moving speed of the engine 4 by observing the moving position of the engine 4 through observing the moving position of the engine 4 after the engine mounting platform 3 is contacted with the buffer slide block 232 under the elastic buffer action of the buffer spring 233, and after the engine 4 moves between the tail gas collecting mechanism 5 and the engine detecting component 6 (as shown in fig. 11), a command to stop the control host 101 through the control panel 103;
s3: after the engine 4 moves between the tail gas collecting mechanism 5 and the engine detecting assembly 6 in step S2, the sealing sleeve 55 is sleeved on the tail gas exhaust end of the engine 4, and the sealing air bag 551 is inflated through the inflation tube 552, so that the sealing sleeve 55 can be sleeved and fixed on the tail gas exhaust end of the engine 4 by using the inflation characteristic of the sealing air bag 551, and the sealing property of the joint between the sealing sleeve 55 and the engine 4 is ensured, when detaching, the sealing air bag 551 is deflated only by the exhaust valve of the inflation tube 552, and simultaneously the control panel 103 is used to send a command for controlling the movement of the detecting motor 63 to the three-axis guide rail sliding table module 61, so that the output shaft of the detecting motor 63 can be inserted into the inner cavity of the detecting sleeve 41, the positioning clamping rod 64 is clamped in the inner cavity of the positioning clamping groove 42, and finally the control panel 103 is used to send a command for controlling the detecting motor 63 to the control host 101, A command to start the radiator fan 82 and the suction pump 85;
s4: when the rotation of the motor 63 is detected in step S3 to drive the rotation of the rotating shaft of the engine 4, and the motor 63 is detected to monitor the data of the rotation operation of the rotating shaft of the engine 4, the operation data is transmitted to the control host 101, then, the display 102 shows that the tail gas collecting mechanism 5 directly leads the tail gas into the inner cavity of the tail gas treatment water tank 7 after the tail gas is collected and catalyzed by the three-way catalyst 51, the tail gas is discharged through the exhaust pipe 72 after being filtered by the water in the tail gas treatment water tank 7, and the water in the exhaust gas treatment water tank 7 can be pumped out by the water pump 85 and input into the inner cavity of the condenser 84 for cooling, the cooled water is introduced into the radiating pipe 83, therefore, the air blown by the heat dissipation fan 82 is cold air, so as to dissipate heat in the detection process of the engine 4, and the water in the heat dissipation pipe 83 can flow back to the inner cavity of the exhaust gas treatment water tank 7 again to be used for filtering and cooling.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a take tail gas collection device's engine on-line testing system which characterized in that: the device comprises an equipment rack (1), wherein the equipment rack (1) comprises a detection platform with supporting legs at four corners of the bottom, a notch is formed in the top of the detection platform, and an equipment platform is horizontally arranged between the supporting legs at the bottom of the detection platform;
the limiting slide rail (2) comprises two groups of I-shaped linear slide rails symmetrically arranged on two sides of the notch, an engine placing platform (3) used for placing and moving an engine (4) is horizontally arranged between the tops of the two groups of I-shaped linear slide rails, and a push-pull air cylinder (9) used for driving the engine placing platform (3) to slide back and forth is arranged between the bottom of the engine placing platform (3) and the bottom of the equipment rack (1);
the device comprises a tail gas collecting mechanism (5) and an engine detection assembly (6), wherein the tail gas collecting mechanism (5) and the engine detection assembly (6) are respectively arranged on two sides of a detection platform of the equipment rack (1), the tail gas collecting mechanism (5) and the engine detection assembly (6) are symmetrically arranged relative to the engine (4), the tail gas collecting mechanism (5) is connected with a tail gas discharge end of the engine (4), and the engine detection assembly (6) is connected with one side shaft end of the engine (4);
the tail gas collecting device comprises a tail gas treatment water tank (7) and a heat dissipation assembly (8), wherein the tail gas treatment water tank (7) is installed on a bottom equipment platform of the equipment rack (1), one end of a tail gas collecting mechanism (5) is communicated with an inner cavity of the tail gas treatment water tank (7) through a pipeline, the heat dissipation assembly (8) is arranged below a detection platform of the equipment rack (1), and the heat dissipation assembly (8) is not in contact with the push-pull air cylinder (9);
the equipment rack (1) is also provided with a control display device (10) for operation control, and the control display device (10) comprises a control host (101) arranged on an equipment platform of the equipment rack (1), and a display (102) and a control panel (103) arranged on a detection platform of the equipment rack (1).
2. The on-line engine testing system with the tail gas collecting device according to claim 1, characterized in that: tail gas collection mechanism (5) include and install through the bolt three way catalyst converter (51) on equipment rack (1) testing platform, triangular flange dish (52) have all been welded at the both ends of three way catalyst converter (51), tee bend coupling (53) are installed to the one end of three way catalyst converter (51), flexible bellows (54) are all installed at the both ends of tee bend coupling (53), keep away from flexible bellows (54) the one end of tee bend coupling (53) be provided with seal cover bowl (55) that engine (4) tail gas discharge end is connected.
3. The on-line engine testing system with the tail gas collecting device as claimed in claim 2, wherein: seal cover bowl (55) is including setting up at seal gasbag (551) of its inner chamber, just seal gasbag (551) are close to the outer end setting of seal cover bowl (55), the top of seal cover bowl (55) still is provided with and is used for the gas filled gas tube (552) of seal gasbag (551), just the lateral wall of gas tube (552) is provided with and is used for the valve of seal gasbag (551) gassing.
4. The on-line engine testing system with the tail gas collecting device according to claim 1, characterized in that: the engine mounting platform is characterized in that positioning bolts (31) used for fixing the engine (4) are arranged at four corners of the top of the engine mounting platform (3), limiting sliding blocks (32) matched with the limiting sliding rails (2) are symmetrically arranged at the bottom of the engine mounting platform (3), the top of the limiting sliding rails (2) is provided with the limiting sliding blocks (32), connecting plates (33) matched with the push-pull air cylinders (9) are fixed at the bottom of the engine mounting platform (3) through bolts, connecting sleeves (34) matched with the telescopic ends of the push-pull air cylinders (9) are welded on the side walls of the connecting plates (33), and heat dissipation ports (35) are formed in the middle of the top of the engine mounting platform (3).
5. The on-line engine testing system with the tail gas collecting device as claimed in claim 4, wherein: the bottom of engine (4) be provided with positioning bolt (31) matched with supporting legs, the one end of engine (4) install with engine determine module (6) matched with detect sleeve (41), positioning groove (42) have been seted up to the lateral wall symmetry of detecting sleeve (41), lifting hook (43) are installed to the top symmetry of engine (4).
6. The on-line engine testing system with the tail gas collecting device according to claim 5, characterized in that: engine detection subassembly (6) include and install through the bolt equipment rack (1) testing platform's triaxial guide rail slip table module (61), the top of triaxial guide rail slip table module (61) has motor mounting panel (62) through the bolt fastening, the lateral wall of motor mounting panel (62) has detection motor (63) through the bolt fastening, just the output axle head that detects motor (63) passes the lateral wall of motor mounting panel (62), the output axle head symmetrical welding that detects motor (63) have with positioning slot (42) matched with locator card pole (64).
7. The on-line engine testing system with the tail gas collecting device according to claim 1, characterized in that: the top of the tail gas treatment water tank (7) is provided with a water injection port with a sealing cover and a gas collecting hood (71) respectively, the gas collecting hood (71) is connected with the inner cavity of the tail gas treatment water tank (7), and the top of the gas collecting hood (71) is provided with an exhaust pipe (72).
8. The on-line engine testing system with the tail gas collecting device according to claim 1, characterized in that: the heat dissipation assembly (8) comprises two rectangular supports (81) which are arranged at the bottom of a detection platform of the equipment rack (1) through bolts, the two rectangular supports (81) are symmetrically arranged relative to a notch on the detection platform of the equipment rack (1), a heat dissipation fan (82) is fixed between the bottoms of the two rectangular supports (81) through bolts, a heat dissipation pipe (83) is horizontally arranged between the two heat dissipation fans (82) through a pipe support, the heat dissipation pipe (83) is arranged above the heat dissipation fan (82), and the heat dissipation pipe (83) is not in contact with the push-pull air cylinder (9);
radiator unit (8) are still including installing condenser (84) of equipment rack (1) bottom equipment platform, just the input of condenser (84) with there is suction pump (85) through the pipe installation between the inner chamber of tail gas treatment water tank (7), the output of condenser (84) with the one end intercommunication of cooling tube (83), the other end of cooling tube (83) with the inner chamber intercommunication of tail gas treatment water tank (7).
9. The on-line engine testing system with the tail gas collecting device according to claim 1, characterized in that: the welding of the testing platform of equipment frame (1) and the vertical welding of the rear side of equipment platform has two backup pads (21), and two backup pad (21) about notch symmetry on the testing platform of equipment frame (1) sets up, the lateral wall of backup pad (21) with reinforcement plate (22), two slope welding has been kept away from between the bottom of spacing slide rail (2) the one end of reinforcement plate (22) is provided with buffering subassembly (23).
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| CN202111335999.1A CN113776841B (en) | 2021-11-12 | 2021-11-12 | Take tail gas collection device's engine on-line testing system |
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| CN202111335999.1A CN113776841B (en) | 2021-11-12 | 2021-11-12 | Take tail gas collection device's engine on-line testing system |
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| CN113776841B true CN113776841B (en) | 2022-03-01 |
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| CN114355189B (en) * | 2021-12-18 | 2024-02-20 | 苏州英特模科技股份有限公司 | Vacuum test system for motor stator performance |
| CN113976191B (en) * | 2021-12-27 | 2022-03-15 | 苏州英特模汽车科技有限公司 | Environmental chamber and gas vent equipment thereof |
| CN114858462B (en) * | 2022-04-21 | 2024-08-20 | 重庆长安汽车股份有限公司 | Auxiliary tool for engine hot test connection process exhaust device |
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| JP2000298080A (en) * | 1999-04-15 | 2000-10-24 | Osamu Yoshida | Combustion gas sampling device capable of measuring pressure in reciprocating engine cylinder |
| CN201188058Y (en) * | 2008-04-29 | 2009-01-28 | 徐红玉 | Case type integrated test system for engine |
| CN201600246U (en) * | 2010-01-04 | 2010-10-06 | 重庆长安汽车股份有限公司 | Exhaust pipe fixing device for engine pedestal |
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Address after: 215536 No. 1, XingMao Road, Bixi street, Changshu, Suzhou, Jiangsu Patentee after: Suzhou Intermold Technology Co.,Ltd. Address before: 215513 building 22, No. 6, Maqiao Road, Changshu Economic and Technological Development Zone, Suzhou, Jiangsu Patentee before: SUZHOU YINGTEMO AUTOMOBILE TECHNOLOGY Co.,Ltd. |