CN116678625A - Switching support for engine starting torque measurement test - Google Patents
Switching support for engine starting torque measurement test Download PDFInfo
- Publication number
- CN116678625A CN116678625A CN202310476215.XA CN202310476215A CN116678625A CN 116678625 A CN116678625 A CN 116678625A CN 202310476215 A CN202310476215 A CN 202310476215A CN 116678625 A CN116678625 A CN 116678625A
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- Prior art keywords
- torque measurement
- spring
- seat
- section
- starter
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- 238000005259 measurement Methods 0.000 title claims abstract description 44
- 239000007858 starting material Substances 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
Abstract
The invention belongs to the technical field of engine measurement and discloses a transfer support for an engine starting torque measurement test, which comprises an auxiliary support rack and a transfer section, wherein the transfer section is of a structure with a through hole inside, a torque measurement sensor is fixedly arranged in the through hole of the transfer section, two ends of the torque measurement sensor are respectively connected with an engine accessory case and a starter through a spline shaft, the transfer section is arranged in the auxiliary support rack, and a spring is further arranged in the auxiliary support rack and provides elastic pressure for the transfer section. According to the invention, spline fit is used for replacing a coupler to complete connection of the torque measuring sensor with the starter transmission shaft and the engine accessory transmission shaft, an automatic centering function is realized during operation, the auxiliary support rack applies pretightening force to the switching section provided with the torque measuring sensor by adopting a spring, vibration generated by the system in a working state is effectively absorbed, the movement of the transmission shaft is avoided, and the torque measuring sensor can accurately monitor the starter torque in the working state.
Description
Technical Field
The invention belongs to the technical field of engine measurement, relates to an improved device for measuring engine torque, and in particular relates to a switching support for an engine starting torque measurement test.
Background
The engine starting torque measurement test may use a torque measurement sensor device to measure the torque versus rotational speed and time of the starter generator. This is to ensure that the connection shaft of the torque measuring sensor device is consistent with the coaxiality of the starter drive shaft and the engine accessory drive starter drive shaft.
The conventional torque measuring sensor is installed and measured in a manner shown in fig. 1, and a connecting shaft of the conventional torque measuring sensor is connected with a starter transmission shaft and an engine accessory transmission starter transmission shaft through a coupler. The torque measuring sensor, the starter and the engine accessory transmission casing are all fixed on the rack, the coaxiality is adjusted through the adjusting pad, the mounting surface is correspondingly improved and increased by the mode, and meanwhile, the coaxiality cannot be accurately adjusted through the adjusting pad.
Disclosure of Invention
In order to solve the problems, the invention provides a transfer bracket for an engine starting torque measurement test, and the transfer bracket is provided with a torque measurement sensor device, so that the coaxiality of a connecting shaft of the torque measurement sensor device, a starter transmission shaft and an engine accessory transmission starting transmission shaft can be remarkably improved, vibration generated by a system in an engine accessory case working state can be eliminated, and the transmission shaft is prevented from moving.
The technical scheme of the invention is as follows:
the utility model provides a switching support for engine starting torque measurement test, includes auxiliary support rack and switching section, and the switching section is inside to have the structure of through-hole, and torque measurement sensor is fixed to be established in the through-hole of switching section, and engine accessory receiver and starter are connected through the spline shaft respectively at torque measurement sensor's both ends, and the switching section is established in auxiliary support rack, still is equipped with the spring in the auxiliary support rack, and the spring provides elastic pressure to the switching section.
Further, the switching section is connected with the starter through the spigot and the quick release ring, and the switching section is connected with the engine accessory case through the spigot and the screw nut.
Furthermore, the switching section and the starter are positioned through the spigot, the quick release ring is adopted to complete connection, the shaft center of the starter shaft is concentric with the shaft center of the switching section, and the torque measuring sensor spline shaft is matched with the starter spline shaft; the adapter section and the engine accessory case interface are positioned through the spigot, connection is completed by adopting a quick-release ring, the axis of the transmission shaft of the engine accessory case is concentric with the axis of the adapter section, and the spline shaft of the torque measuring sensor is matched with the spline shaft in the transmission shaft of the engine accessory case.
Further, the interior of the switching section is fixedly connected with the torque measuring sensor in a spigot and locating pin mode, and the fit clearance between the locating pin and the locating pin hole is between 0.01 and 0.02mm.
Further, still include V-arrangement seat, compress tightly seat and spring holder, auxiliary stay rack provides the base for V-arrangement seat, and the upper surface of V-arrangement seat is V-arrangement recess, and the changeover portion is placed in the V-arrangement recess top of V-arrangement seat, compresses tightly the seat and establishes in the top of changeover portion, compresses tightly the seat upper end and provides the holding down force by the spring, the fixed spring holder is connected to the upper end of spring.
Further, the V-shaped seat and the spring seat are respectively connected with the lower end and the upper end of the auxiliary support rack through threaded screw rods; the compression amount of the spring is adjusted through the distance between the spring seat and the V-shaped seat and is set according to vibration generated by the operation of the engine accessory case.
Further, the included angle of the V-shaped groove of the V-shaped seat is 120 degrees, and a layer of elastic pad is attached above the V-shaped groove.
Further, the switching section is of a cylindrical structure.
Compared with the prior art, the invention has the advantages that:
1. compared with the traditional torque measurement sensor connecting structure, the switching support for the engine starting torque measurement test provided by the invention has the advantages that the spline fit is used for replacing a coupler to finish the connection between the connecting shaft of the torque measurement sensor device and the transmission shaft of the starter transmission shaft and the transmission shaft of the engine accessory casing, and the spline fit has an automatic centering function when the starter runs.
2. The invention adopts the spigot form to complete the matching of the switching section, the starter and the engine accessory transmission casing, has accurate positioning and realizes quick installation by using the quick-release ring.
3. The auxiliary support rack provided by the invention adopts the spring to apply pretightening force to the switching section provided with the torque measuring sensor, so that vibration generated by the system in a working state is effectively absorbed, and the movement of the transmission shaft is avoided.
4. The invention can enable the torque measuring sensor to accurately monitor the starter torque in the working state.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a torque measurement sensor mounting connection in the background of the invention;
FIG. 2 is a schematic connection diagram of a transfer bracket for an engine starting torque measurement test provided by the present invention;
FIG. 3 is a side view of the auxiliary support stand;
wherein, 1-starter; 2-an auxiliary support stand; 3-spring seat; 4-a spring; 5-compressing the seat; 6, an adapter section; 7-V-shaped seat; 8-engine accessory case; 9-a coupling; 10-torque measuring sensor.
Detailed Description
This section is an embodiment of the present invention for explaining and explaining the technical solution of the present invention. Embodiments of the invention and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to directions or positional relationships given to the drawings for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or case in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "first," "second," etc. may explicitly or implicitly include more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the mechanical connection can be realized, and the point connection can be realized; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The utility model provides a switching support for engine starting torque measurement test, includes auxiliary support rack 2 and switching section 6, and switching section 6 is the inside structure that has the through-hole, and torque measurement sensor 10 is fixed to be established in the through-hole of switching section 6, and engine accessory receiver and starter are connected respectively through the spline shaft at torque measurement sensor 10's both ends, and switching section 6 is established in auxiliary support rack, still is equipped with spring 4 in the auxiliary support rack, and spring 4 provides elastic pressure to switching section 6.
The switching section 6 is connected with the starter 1 through a spigot and a quick release ring, and the switching section 6 is connected with the engine accessory case 8 through the spigot and a screw nut.
The adapter section 6 is positioned with the starter 1 through a spigot, the connection is completed by adopting a quick-release ring, the axle center of the starter 1 shaft is concentric with the axle center of the adapter section 6, and the spline shaft of the torque measuring sensor 10 is matched with the spline shaft of the starter 1; the interface of the adapter section 6 and the engine accessory case 8 is positioned through a spigot, connection is completed by adopting a quick-release ring, the axis of a transmission shaft of the engine accessory case 8 is concentric with the axis of the adapter section 6, and a spline shaft of the torque measuring sensor 10 is matched with a spline shaft in the transmission shaft of the engine accessory case 8.
The interior of the switching section 6 is fixedly connected with the torque measuring sensor 10 in a spigot and locating pin mode, and the fit clearance between the locating pin and the locating pin hole is 0.01-0.02mm.
Still include V-arrangement seat 7, compress tightly seat 5 and spring holder 3, auxiliary stay rack provides the base for V-arrangement seat 7, and the upper surface of V-arrangement seat 7 is V-arrangement recess, and changeover portion 6 is placed in the V-arrangement recess top of V-arrangement seat 7, compresses tightly seat 5 and establishes in the top of changeover portion 6, compresses tightly seat 5 upper end and provides the holding down force by spring 4, and spring holder 3 of fixing is connected to the upper end of spring 4.
The V-shaped seat 7 and the spring seat 3 are respectively connected with the lower end and the upper end of the auxiliary support rack 2 through threaded screw rods; the compression amount of the spring 4 is adjusted by the distance between the spring seat 3 and the V-shaped seat 7, and the compression amount of the spring 4 is set according to the vibration generated by the operation of the engine accessory case 8.
The included angle of the V-shaped groove of the V-shaped seat 7 is 120 degrees, and a layer of elastic cushion is attached above the V-shaped groove.
The adapter section 6 is of a cylindrical structure.
Another embodiment of the present invention will be described below with reference to the accompanying drawings.
The invention relates to a transfer bracket for an engine starting torque measurement test, which comprises a transfer section 6 and an auxiliary support rack 2, wherein a torque measurement sensor 10 is fixed in the transfer section 6, two ends of the transfer section 6 are respectively connected with an engine accessory case 8 and a starter 1, and the auxiliary support rack 2 supports the transfer section 6.
Wherein the torque measuring sensor 10 employs a spline shaft.
The adapter section 6 is connected with the starter 1 through a spigot and a quick release ring and is connected with the accessory case through a spigot, a screw and a nut.
The switching section 6 is connected with the torque measuring sensor 10 through a spigot and locating pin mode, the fit clearance between the locating pin and the locating pin hole is between 0.01 and 0.02mm, and the purpose of selecting the clearance value is to ensure the coaxiality of the switching section torque measuring sensor and the locating pin hole.
The adapter section 6 is provided with a sunroof for the connection of the transmission interface of the torque measuring sensor 10 to a cable.
The adapter section 6 and the torque measuring sensor 10 are installed through 6 bolts and nuts, and an elastic gasket is installed on each bolt and is used for locking the adapter section 6 and the torque measuring sensor 10.
The auxiliary supporting rack 2 is internally provided with a movable V-shaped seat 7, a pressing seat 5, a spring 4 and a spring seat 3 for supporting, fixing and changing the position of the switching section 6.
A rubber pad is attached to the surface of the V-shaped seat 7 for absorbing vibration.
The spring 4 is arranged between the spring seat 3 and the compression seat 5, and corresponding compression amount is arranged according to the working vibration mode. In the working state, the force of the spring 4 is applied to the adapter section 6, so that the influence of the vibration of the engine accessory case 8 can be counteracted.
The V-shaped seat 7 and the spring seat 3 are subjected to stepless adjustment of the installation height through threaded screw rods, and two groups of threaded screw rods are respectively installed on the auxiliary support rack 2.
Fig. 2 and 3 are schematic diagrams of a transfer bracket for an engine starting torque measurement test provided by the present invention, and referring to fig. 2 and 3, the transfer bracket connection structure for an engine starting torque measurement test provided by the present invention includes:
1. the torque measurement sensor 10 is arranged in the switching section 6, and the signal output interface of the torque measurement sensor 10 faces to the switching section skylight through the cooperation of the spigot and the positioning pin positioning, so that the shaft of the torque measurement sensor 10 is coaxial with the switching section 6;
2. the switching section 6 and the torque measuring sensor 10 are installed through bolts and nuts, and an elastic gasket is installed on each bolt and is used for conveniently locking the switching section and the torque measuring sensor;
3. the switching section 6 is placed on a V-shaped seat 7 of the auxiliary support rack;
4. adjusting the mounting height of the switching section 6 by using a threaded screw rod to align the spigot of the switching section 6 with the interface of the engine accessory case 8;
5. the interface of the adapter section 6 and the engine accessory case 8 is positioned through a spigot, the connection is completed by adopting a quick-release ring, the axis of a transmission shaft of the engine accessory case 8 is concentric with the axis of the adapter section 6, and a spline shaft of the torque measuring sensor 10 is matched with a spline shaft of the transmission shaft of the engine accessory case 8;
6. the adapter section 6 and the starter 1 are positioned through a spigot, connection is completed by adopting a quick release ring, the shaft center of the starter 1 and the shaft center of the adapter section 6 are concentric, and a spline shaft of the torque measuring sensor 10 is matched with a spline shaft of the starter 1;
7. the position of the spring seat 3 is adjusted, and the spring 4 compresses to enable the compression seat 5 to be pressed against the switching section 6;
optionally, the adapter section 6 is cylindrical.
Optionally, the fit clearance between the adapter section 6 and the positioning pin hole of the torque measuring sensor 10 is 0.01-0.02mm.
Optionally, 6 bolts and nuts are used for completing the installation of the torque measurement sensor 10 according to the internal space of the adapter section 6.
Optionally, the adaptor section 6 skylight is not shielded by the auxiliary support stand 2.
Optionally, the included angle of the V-shaped seat 7 is 120 degrees, and a layer of shock-absorbing rubber pad is attached to the V-shaped seat 7.
Alternatively, the corresponding compression amount is set for the spring 4 according to the vibration form generated at the time of engine start.
Through tang cooperation connection changeover portion 6 and starter 1, engine accessory receiver 8, moment of torsion measuring transducer 10, the axiality is high, adopts the auxiliary stay bench 2 of spring 4 can effectively absorb the vibration that the system produced under the operating condition simultaneously, avoids the transmission shaft drunkenness, adopts the connected mode of spline can be under the high rotational speed automatic centering of transmission shaft.
Claims (8)
1. A switching support for engine starting torque measurement test, a serial communication port, including auxiliary support rack (2) and switching section (6), switching section (6) is inside to have the structure of through-hole, torque measurement sensor (10) is fixed to be established in the through-hole of switching section (6), the both ends of torque measurement sensor (10) are connected engine accessory receiver and starter through the integral key shaft respectively, switching section (6) are established in auxiliary support rack, still be equipped with spring (4) in the auxiliary support rack, spring (4) provide elastic pressure to switching section (6).
2. The adapter bracket for an engine starting torque measurement test according to claim 1, wherein the adapter section (6) is connected with the starter (1) through a spigot and a quick release ring, and the adapter section (6) is connected with the engine accessory case (8) through the spigot and a screw nut.
3. The adapter bracket for the engine starting torque measurement test according to claim 2, wherein the adapter section (6) and the starter (1) are positioned through a spigot, connection is completed by adopting a quick release ring, the shaft center of the starter (1) and the shaft center of the adapter section (6) are concentric, and a spline shaft of the torque measurement sensor (10) is matched with the spline shaft of the starter (1); the adapter section (6) and the engine accessory case (8) are positioned through the spigot, connection is completed by adopting a quick-release ring, the axis of a transmission shaft of the engine accessory case (8) is concentric with the axis of the adapter section (6), and a spline shaft of the torque measuring sensor (10) is matched with a spline shaft in the transmission shaft of the engine accessory case (8).
4. The adapter bracket for engine starting torque measurement test according to claim 2, wherein the interior of the adapter section (6) is fixedly connected with the torque measurement sensor (10) through a spigot and a locating pin, and the fit clearance between the locating pin and a locating pin hole is between 0.01 and 0.02mm.
5. The transfer bracket for an engine starting torque measurement test according to claim 1, further comprising a V-shaped seat (7), a compression seat (5) and a spring seat (3), wherein the auxiliary support rack provides a base for the V-shaped seat (7), the upper surface of the V-shaped seat (7) is an upper V-shaped groove, the transfer section (6) is placed above the V-shaped groove of the V-shaped seat (7), the compression seat (5) is arranged above the transfer section (6), the upper end of the compression seat (5) is provided with a compression force by a spring (4), and the upper end of the spring (4) is connected with the fixed spring seat (3).
6. The adapter bracket for an engine starting torque measurement test according to claim 5, wherein the V-shaped seat (7) and the spring seat (3) are connected with the lower end and the upper end of the auxiliary support rack (2) through threaded screws, respectively; the compression amount of the spring (4) is regulated by the distance between the spring seat (3) and the V-shaped seat (7), and the compression amount of the spring (4) is set according to the vibration generated by the operation of the engine accessory casing (8).
7. The adapter bracket for engine starting torque measurement test according to claim 5, wherein the V-shaped groove included angle of the V-shaped seat (7) is 120 °, and a layer of elastic pad is attached above the V-shaped groove.
8. The adapter bracket for an engine starting torque measurement test according to claim 5, wherein the adapter section (6) is of cylindrical configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310476215.XA CN116678625A (en) | 2023-04-27 | 2023-04-27 | Switching support for engine starting torque measurement test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310476215.XA CN116678625A (en) | 2023-04-27 | 2023-04-27 | Switching support for engine starting torque measurement test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116678625A true CN116678625A (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310476215.XA Pending CN116678625A (en) | 2023-04-27 | 2023-04-27 | Switching support for engine starting torque measurement test |
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| Country | Link |
|---|---|
| CN (1) | CN116678625A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381408A (en) * | 2023-12-07 | 2024-01-12 | 无锡市普亚机械制造有限公司 | Horizontal split charging equipment for air inlet casing, monitoring system and monitoring method thereof |
-
2023
- 2023-04-27 CN CN202310476215.XA patent/CN116678625A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381408A (en) * | 2023-12-07 | 2024-01-12 | 无锡市普亚机械制造有限公司 | Horizontal split charging equipment for air inlet casing, monitoring system and monitoring method thereof |
| CN117381408B (en) * | 2023-12-07 | 2024-03-19 | 无锡市普亚机械制造有限公司 | Horizontal split charging equipment for air inlet casing, monitoring system and monitoring method thereof |
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