CN102901633B - Quick centering device for engine pedestal test - Google Patents

Quick centering device for engine pedestal test Download PDF

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Publication number
CN102901633B
CN102901633B CN201210310418.3A CN201210310418A CN102901633B CN 102901633 B CN102901633 B CN 102901633B CN 201210310418 A CN201210310418 A CN 201210310418A CN 102901633 B CN102901633 B CN 102901633B
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CN
China
Prior art keywords
adjustment
crossbeam
base
engine
centering
Prior art date
Application number
CN201210310418.3A
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Chinese (zh)
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CN102901633A (en
Inventor
张卫
罗松灿
刘克明
时栓柱
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长城汽车股份有限公司
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Priority to CN201210310418.3A priority Critical patent/CN102901633B/en
Publication of CN102901633A publication Critical patent/CN102901633A/en
Application granted granted Critical
Publication of CN102901633B publication Critical patent/CN102901633B/en

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Abstract

The invention provides a quick centering device for an engine pedestal test, which is used for quickly centering the crankshaft flywheel end of an engine to a main shaft of a dynamometer. The quick centering device comprises a base, a supporting frame, a beam and a quick plug panel, wherein the supporting frame comprises four groups of vertical supports which are all assembled to the base; an up-down adjusting mechanism is arranged on the vertical support in each group; beams are arranged between each two opposite groups of vertical supports; the up-down adjusting mechanisms are assembled to the beams; a front-back adjusting mechanism is arranged on each beam; rubber engine support seats are fixedly arranged on the front-back adjusting mechanisms; and a fine left-right adjusting mechanism is also arranged at the front and rear ends of each beam. The quick centering device allows the centering adjustment on the crankshaft flywheel end of the engine and the main shaft of the dynamometer in the engine pedestal test to be easy, is high in adjustment precision, eliminates the shortcomings of the conventional centering way of beating through a heavy object such as an iron hammer, avoids the waste of a pedestal resource when the centering operation is performed in a laboratory, and can realize quick butt-joint of water channels, oil channels and sensor lines and improve the working efficiency.

Description

A kind of engine rig test quick centering device
Technical field
The present invention relates to a kind of engine rig test servicing unit, especially a kind of quick centering device being applicable to engine rig test dynamometer machine main shaft and test engine crankshaft-flywheel end, belongs to Engine Block Test technical field.
Background technology
Before engine carries out bench test, precise alignment adjustment need be carried out to the right alignment of engine crankshaft flywheel end and dynamometer machine main shaft and flatness, its degree of regulation is not only directly connected to the reliability of test result, and have influence on engine performance and dynamometer life, in addition, when test-bed resource-constrained, the length of Preparatory work of experiment time determines the utilization factor of stand resource.
According to engine rig test requirement, the coaxiality error of engine crankshaft flywheel end and dynamometer machine main shaft controls at about 0.2mm, and centering adjusting device should be easy to operate, dependable performance, reduce platform experiment setup time as far as possible, improve the feature of stand resource utilization; But engine pedestal test is generally supported engine by supporting leg at present, supporting leg is fastened by bolts on iron floor, the process of engine upper stage first drops on supporting leg by engine, completed the centering of engine and dynamometer machine coupling shaft again by movable support leg position, then connect various water route, oil circuit, sensor facility successively.There is following defect in above-mentioned engine mounting means: one, engine crankshaft flywheel end and dynamometer machine main shaft right alignment rely on adjust supporting leg position to control completely, and the adjustment of supporting leg position beats realization by weights such as iron hammers, degree of regulation not easily ensures; Two, the facility such as test-bed cooling water pipeline, oil circulation pipeline, fuel pipe need carry out one by one after stand centering completes, and adopts hoop to carry out fastening installation method, complex operation step, and not easily finds interference problem each other; Three, measure after the stands such as the sensor need of the various temperature of engine and pressure deploy and install on measuring point one by one, and then be connected one by one with stand signals collecting case, extend stand setup time.
Summary of the invention
The object of the invention is to the utilization factor for improving Engine Block Test work efficiency and engine rig test resource, providing a kind of and can ensure the right alignment of engine crankshaft flywheel end and dynamometer machine main shaft, shortening the engine rig test quick centering device of engine rig test setup time.
Problem of the present invention realizes with following technical proposals:
A kind of engine rig test quick centering device, it comprises base, bracing frame, crossbeam and quick plug panel, support frame as described above is made up of four groups of vertical braces, they are all equipped with base, each group vertical brace is equipped with up-down adjustment mechanism, between relative two groups of vertical braces, crossbeam is set, described up-down adjustment mechanism and crossbeam are equipped with, described crossbeam is provided with front and back governor motion, on the governor motion of front and back, fixedly mount motor support rubber base, be also provided with the smart governor motion in left and right in the rear and front end of crossbeam.
Above-mentioned engine rig test quick centering device, described base is made up of base crossbeam and base longeron, described base crossbeam comprises two parts that left and right is arranged, wherein left-hand foot crossbeam is provided with quick plug panel mounting hole, two parts that described base longeron is arranged by front and back form, the upper surface of base longeron arranges left and right coarse adjustment guide rail, arranges the base plate fixing assembling with testing laboratory's iron floor in the bottom surface of base longeron, described left and right coarse adjustment guide rail and bracing frame are equipped with.
Above-mentioned engine rig test quick centering device, support frame as described above vertical brace is the rectangular groove structure of upper and lower closed at both ends, the vertical brace mount pad equipped with coarse adjustment guide rail in left and right on base longeron is provided with bottom it, in rectangular channel, be provided with crossbeam Connection Block, described crossbeam Connection Block and up-down adjustment mechanism fix and assemble.
Above-mentioned engine rig test quick centering device, described up-down adjustment mechanism comprises up-down adjustment nut, up-down adjustment leading screw, up-down adjustment guide rail, up-down adjustment fastening bolt and up-down adjustment fastening base, described up-down adjustment nut is fixed on bracing frame vertical brace rectangular channel end face, it and up-down adjustment leading screw are equipped with, described up-down adjustment leading screw lower end is fixed on crossbeam Connection Block, described up-down adjustment guide rail is positioned on bracing frame vertical brace rectangular channel bottom surface, described up-down adjustment fastening bolt is through up-down adjustment guide rail, be equipped with the crossbeam Connection Block and up-down adjustment fastening base that are positioned at both sides inside and outside bracing frame vertical brace rectangular channel bottom surface.
Above-mentioned engine rig test quick centering device, substrate is regulated before and after described front and back governor motion comprises, front and back setting nut, front and back adjusting screw, front and back regulate guide rail, front and back regulate fastening bolt and front and back adjustment seat, described front and back regulate substrate to be arranged on the rear and front end of beam surface upper, fixed installation front and back setting nut on substrate is regulated in front and back, described front and back setting nut and front and back adjusting screw are equipped with, described front and back adjusting screw comprises the two parts being separately fixed at adjustment seat front and back end, front and back, adjustment seat front and back end, described front and back regulates fastening bolt to be equipped with respectively with front and back, described front and back regulate fastening bolt and the front and back be arranged in beam surface upper to regulate guide rail to be equipped with.
Above-mentioned engine rig test quick centering device, described left and right essence governor motion comprises crossbeam mount pad, left and right accurate adjustment joint substrate, left and right accurate adjustment joint fastening bolt and left and right accurate adjustment joint jackscrew, described crossbeam mount pad is positioned at crossbeam rear and front end, at its fixed installation left and right, left and right sides accurate adjustment joint substrate, be provided with left and right accurate adjustment joint elongated hole thereon on the surface, described left and right accurate adjustment joint fastening bolt and left and right accurate adjustment save elongated hole and are equipped with, and described left and right accurate adjustment joint jackscrew and left and right accurate adjustment save substrate and be equipped with.
Above-mentioned engine rig test quick centering device, described quick plug panel is arranged on base crossbeam by quick plug panel set bolt, and quick plug panel is provided with the rapid-acting coupling mounting hole of engine water route, oil circuit.
The invention provides a kind of engine rig test quick centering device, engine to be tested is arranged on motor support rubber base by it, the comprehensive accurate adjustment of engine mounting positions is realized, to meet right alignment and the planarity requirements of engine crankshaft flywheel end and dynamometer machine main shaft by up-down adjustment mechanism, front and back governor motion and left-right adjusting mechanism; It can make engine crankshaft flywheel end complete with the space of centering process beyond testing laboratory of simulation dynamometer machine main shaft, and then is moved to testing laboratory, coordinates corresponding locating device directly to enter next step stand preliminary work; Engine water route, oil circuit can first be connected with the rapid-acting coupling be arranged on quick plug panel, after treating that the present invention moves to testing laboratory, can realize being connected with testing laboratory pipeline fast; Measure engine various temperature, the sensor conductor of pressure realizes rapid abutting joint with stand signals collecting case after gathering, complete platform experiment preliminary work.In a word, the present invention makes the engine crankshaft flywheel end of engine rig test and dynamometer machine main shaft centering regulate to become and be easy to operate, degree of regulation is high, eliminate the drawback of traditional centering mode of knocking with weights such as iron hammers, avoid centering and operate in the waste that stand resource is carried out causing in testing laboratory inside, water route, oil circuit and sensor line can realize rapid abutting joint, improve work efficiency.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is one-piece construction schematic diagram of the present invention;
Tu2Shi up-down adjustment mechanism and bracing frame vertical brace structural representation;
Fig. 3 is front and back governor motion and beam structure schematic diagram;
Fig. 4 is left and right accurate adjustment joint structural scheme of mechanism;
Fig. 5 is base and left and right coarse adjustment structural scheme of mechanism;
Fig. 6 is quick plug panel schematic diagram.
In figure, each label is: 1, up-down adjustment mechanism, 1-1, up-down adjustment guide rail, 1-2, up-down adjustment fastening bolt, 1-3, up-down adjustment nut, 1-4, up-down adjustment leading screw, 1-5, crossbeam Connection Block, 1-6, up-down adjustment fastening base, 2, the smart governor motion in left and right, 2-1, left and right accurate adjustment joint fastening bolt, 2-2, left and right accurate adjustment joint jackscrew, 2-3, left and right accurate adjustment joint substrate, 2-4, crossbeam mount pad, 2-5, left and right accurate adjustment joint elongated hole, 3, front and back governor motion, 3-1, front and back regulate fastening bolt, 3-2, front and back adjusting screw, 3-3, front and back regulate substrate, 3-4, front and back setting nut, 3-5, front and back regulate guide rail, 3-6, front and back adjustment seat, 4, quick plug panel, 4-1, rapid-acting coupling mounting hole, 4-2, quick plug panel set bolt, 5, base, 5-1, left and right coarse adjustment guide rail, 5-2, base plate, 5-3, quick plug panel mounting hole, 5-4, base crossbeam, 5-5, base longeron, 6, bracing frame, 6-1, vertical brace mount pad, 7, crossbeam, 8, motor support rubber base.
Embodiment
Referring to Fig. 1, the present invention includes base 5, bracing frame 6, crossbeam 7 and quick plug panel 4, support frame as described above 6 is made up of four groups of vertical braces, they are all equipped with base 5, each group vertical brace is equipped with up-down adjustment mechanism 1, between relative two groups of vertical braces, crossbeam 7 is set, described up-down adjustment mechanism 1 is equipped with crossbeam 7, described crossbeam 7 is provided with front and back governor motion 3, on front and back governor motion 3, fixedly mount motor support rubber base 8, be also provided with the smart governor motion 2 in left and right in the rear and front end of crossbeam 7.
Referring to Fig. 1, Fig. 5, base 5 of the present invention is made up of base crossbeam 5-4 and base longeron 5-5, described base crossbeam 5-4 comprises two parts that left and right is arranged, wherein left-hand foot crossbeam is provided with quick plug panel mounting hole 5-3, two parts that described base longeron 5-5 is arranged by front and back form, the upper surface of base longeron 5-5 arranges left and right coarse adjustment guide rail 5-1, arrange the base plate 5-2 fixing assembling with testing laboratory's iron floor in the bottom surface of base longeron 5-5, described left and right coarse adjustment guide rail 5-1 and bracing frame 6 are equipped with.
Referring to Fig. 1, Fig. 2, bracing frame vertical brace of the present invention is the rectangular groove structure of upper and lower closed at both ends, the vertical brace mount pad 6-1 equipped with left and right coarse adjustment guide rail 5-1 on base longeron is provided with bottom it, in rectangular channel, be provided with crossbeam Connection Block 1-5, described crossbeam Connection Block 1-5 and up-down adjustment mechanism 1 fix and assemble.
Referring to Fig. 1, Fig. 2, up-down adjustment mechanism 1 of the present invention comprises up-down adjustment nut 1-3, up-down adjustment leading screw 1-4, up-down adjustment guide rail 1-1, up-down adjustment fastening bolt 1-2 and up-down adjustment fastening base 1-6, described up-down adjustment nut 1-3 is fixed on bracing frame vertical brace rectangular channel end face, it and up-down adjustment leading screw 1-4 are equipped with, described up-down adjustment leading screw 1-4 lower end is fixed on crossbeam Connection Block 1-5, described up-down adjustment guide rail 1-1 is positioned on bracing frame vertical brace rectangular channel bottom surface, described up-down adjustment fastening bolt 1-2 is through up-down adjustment guide rail 1-1, be equipped with the crossbeam Connection Block 1-5 and up-down adjustment fastening base 1-6 that are positioned at both sides inside and outside bracing frame vertical brace rectangular channel bottom surface.
Referring to Fig. 1, Fig. 3, substrate 3-3 is regulated before and after front and back of the present invention governor motion 3 comprises, front and back setting nut 3-4, front and back adjusting screw 3-2, front and back regulate guide rail 3-5, front and back regulate fastening bolt 3-1 and front and back adjustment seat 3-6, described front and back regulate substrate 3-3 to be arranged on the rear and front end of beam surface upper, fixed installation front and back setting nut 3-4 on substrate 3-3 is regulated in front and back, described front and back setting nut 3-4 and front and back adjusting screw 3-2 is equipped with, described front and back adjusting screw 3-2 comprises the two parts being separately fixed at adjustment seat front and back end, front and back, adjustment seat 3-6 front and back end, described front and back regulates fastening bolt 3-1 to be equipped with respectively with front and back, described front and back regulate fastening bolt 3-1 and the front and back be arranged in beam surface upper to regulate guide rail 3-5 to be equipped with.
Referring to Fig. 1, Fig. 4, left and right of the present invention essence governor motion 2 comprises crossbeam mount pad 2-4, left and right accurate adjustment joint substrate 2-3, left and right accurate adjustment joint fastening bolt 2-1 and left and right accurate adjustment joint jackscrew 2-2, described crossbeam mount pad 2-4 is positioned at crossbeam 7 rear and front end, at its fixed installation left and right, left and right sides accurate adjustment joint substrate 2-3, be provided with left and right accurate adjustment joint elongated hole 2-5 thereon on the surface, described left and right accurate adjustment joint fastening bolt 2-1 and left and right accurate adjustment save elongated hole 2-5 and are equipped with, and described left and right accurate adjustment joint jackscrew 2-2 and left and right accurate adjustment save substrate 2-3 and be equipped with.
Referring to Fig. 1, Fig. 6, quick plug panel 4 of the present invention is arranged on base crossbeam by quick plug panel set bolt 4-2, and quick plug panel 4 is provided with the rapid-acting coupling mounting hole 4-1 of engine water route, oil circuit.
Referring to Fig. 1 ~ Fig. 6, principle of work of the present invention is: be arranged on by engine to be tested on motor support rubber base 8, the comprehensive accurate adjustment of engine mounting positions is realized, to meet the right alignment requirement of engine crankshaft flywheel end and dynamometer machine main shaft by up-down adjustment mechanism 1, front and back governor motion 3 and left-right adjusting mechanism; It can make engine crankshaft flywheel end complete with the space of centering process beyond testing laboratory of simulation dynamometer machine main shaft, and then is moved in testing laboratory, coordinates corresponding locating device directly to enter next step stand preliminary work; Engine water route, oil circuit can be connected with the rapid-acting coupling be arranged on quick plug panel 4, after treating that the present invention moves to testing laboratory, can realize being connected with testing laboratory pipeline fast; Measure engine various temperature, the sensor conductor of pressure realizes rapid abutting joint with stand signals collecting case after gathering, complete platform experiment preliminary work.
Referring to Fig. 1 ~ Fig. 6, the course of work of the present invention is: one, centering accurate adjustment: utilize the centralising device (position of dynamometer machine is changeless) of simulation dynamometer machine to be completed the centering of engine crankshaft flywheel end and dynamometer machine main shaft by the present invention before upper stage, its regulative mode is as follows: when needs adjust engine upper-lower position, first can unclamp up-down adjustment fastening bolt 1-2, then by rotating up-down adjustment nut 1-3, up-down adjustment leading screw 1-4 is made to drive crossbeam Connection Block 1-5 to move up and down, thus the crossbeam of carrying engine is completed move up and down, after adjustment by up-down adjustment fastening bolt 1-2 by crossbeam Connection Block 1-5, up-down adjustment fastening base is locked at the corresponding position of up-down adjustment guide rail 1-1, because up-down adjustment leading screw 1-4 is to crossbeam Connection Block 1-5 applying pulling force straight up, up-down adjustment fastening bolt 1-2 can be made to be down to minimum on regulating the impact of result, when needs adjust engine front and back position, before and after can first unclamping, regulate fastening bolt 3-1, then by rotating front and back setting nut 3-4, front and back adjusting screw 3-2 being moved left and right, after adjustment, regulating fastening bolt 3-1 to carry out fastening to front and back, when needs to engine right position carry out accurate adjustment whole time, first can unclamp left and right accurate adjustment joint fastening bolt 2-1, then by rotating left and right accurate adjustment joint jackscrew 2-2, crossbeam mount pad 2-4 is moved left and right, drive the crossbeam 7 of supporting engines to move left and right, carry out fastening to left and right accurate adjustment joint fastening bolt 2-1 after adjustment, when changing the engine that physical dimension differs greatly, first can adjust left and right coarse adjustment mechanism, specific as follows: first to unclamp the fastening bolt equipped with the left and right coarse adjustment guide rail 5-1 on base 5, after completing the adjustment of corresponding size, fastening bolt is fastening, then repeat the smart regulating step in left and right and carry out accurate adjustment adjustment.Move in testing laboratory by the present invention after centering, the relative position of engine and dynamometer machine is constant to coordinate corresponding locating device to ensure, finally completes quick centring.Two, test-bed complete centering adjustment after, water route, the oil circuit of engine dock with the rapid-acting coupling above fast plug panel 4, after upper stage with realize with laboratory bench pipeline being again connected fast.Three, measure the various temperature of engine and pressure sensor signal line and be aggregated into a total aviation plug, after stand has been arranged, realize rapid abutting joint with stand.So far, engine rig test preliminary work completes.

Claims (4)

1. an engine rig test quick centering device, it is characterized in that, it comprises base (5), bracing frame (6), crossbeam (7) and quick plug panel (4), support frame as described above (6) is made up of four groups of vertical braces, they are all equipped with base (5), each group vertical brace is equipped with up-down adjustment mechanism (1), between relative two groups of vertical braces, crossbeam (7) is set, described up-down adjustment mechanism (1) is equipped with crossbeam (7), described crossbeam (7) is provided with front and back governor motion (3), motor support rubber base (8) is fixedly mounted on front and back governor motion (3), the smart governor motion in left and right (2) is also provided with in the rear and front end of crossbeam (7),
Described base (5) is made up of base crossbeam (5-4) and base longeron (5-5), described base crossbeam (5-4) comprises two parts that left and right is arranged, wherein left-hand foot crossbeam is provided with quick plug panel mounting hole (5-3), two parts that described base longeron (5-5) is arranged by front and back form, the upper surface of base longeron (5-5) arranges left and right coarse adjustment guide rail (5-1), arrange the base plate (5-2) fixing assembling with testing laboratory's iron floor in the bottom surface of base longeron (5-5), described left and right coarse adjustment guide rail (5-1) is equipped with bracing frame (6);
Support frame as described above vertical brace is the rectangular groove structure of upper and lower closed at both ends, the vertical brace mount pad (6-1) equipped with left and right coarse adjustment guide rail (5-1) on base longeron is provided with bottom it, in rectangular channel, be provided with crossbeam Connection Block (1-5), described crossbeam Connection Block (1-5) is assembled with up-down adjustment mechanism (1) is fixing;
Described left and right essence governor motion (2) comprises crossbeam mount pad (2-4), left and right accurate adjustment joint substrate (2-3), left and right accurate adjustment joint fastening bolt (2-1) and left and right accurate adjustment joint jackscrew (2-2), described crossbeam mount pad (2-4) is positioned at crossbeam (7) rear and front end, in its fixed installation left and right, left and right sides accurate adjustment joint substrate (2-3), be provided with left and right accurate adjustment joint elongated hole (2-5) thereon on the surface, described left and right accurate adjustment joint fastening bolt (2-1) and left and right accurate adjustment save elongated hole (2-5) and are equipped with, described left and right accurate adjustment joint jackscrew (2-2) and left and right accurate adjustment save substrate (2-3) and are equipped with.
2. a kind of engine rig test quick centering device according to claim 1, it is characterized in that, described up-down adjustment mechanism (1) comprises up-down adjustment nut (1-3), up-down adjustment leading screw (1-4), up-down adjustment guide rail (1-1), up-down adjustment fastening bolt (1-2) and up-down adjustment fastening base (1-6), described up-down adjustment nut (1-3) is fixed on bracing frame vertical brace rectangular channel end face, it and up-down adjustment leading screw (1-4) are equipped with, described up-down adjustment leading screw (1-4) lower end is fixed on crossbeam Connection Block (1-5), described up-down adjustment guide rail (1-1) is positioned on bracing frame vertical brace rectangular channel bottom surface, described up-down adjustment fastening bolt (1-2) is through up-down adjustment guide rail (1-1), be equipped with the crossbeam Connection Block (1-5) and up-down adjustment fastening base (1-6) that are positioned at both sides inside and outside bracing frame vertical brace rectangular channel bottom surface.
3. a kind of engine rig test quick centering device according to claim 2, it is characterized in that, substrate (3-3) is regulated before and after described front and back governor motion (3) comprise, front and back setting nut (3-4), front and back adjusting screw (3-2), front and back regulate guide rail (3-5), front and back regulate fastening bolt (3-1) and front and back adjustment seat (3-6), described front and back regulate substrate (3-3) to be arranged on the rear and front end of beam surface upper, setting nut (3-4) before and after the upper fixed installation of substrate (3-3) is regulated in front and back, described front and back setting nut (3-4) are equipped with front and back adjusting screw (3-2), described front and back adjusting screw (3-2) comprise the two parts being separately fixed at front and back adjustment seat (3-6) front and back end, described front and back adjustment seat (3-6) front and back end regulates fastening bolt (3-1) to be equipped with respectively with front and back, described front and back regulate fastening bolt (3-1) and the front and back be arranged in beam surface upper to regulate guide rail (3-5) to be equipped with.
4. a kind of engine rig test quick centering device according to claim 3, it is characterized in that, described quick plug panel (4) is arranged on base crossbeam by quick plug panel set bolt (4-2), and quick plug panel (4) is provided with the rapid-acting coupling mounting hole (4-1) of engine water route, oil circuit.
CN201210310418.3A 2012-08-29 2012-08-29 Quick centering device for engine pedestal test CN102901633B (en)

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Application Number Priority Date Filing Date Title
CN201210310418.3A CN102901633B (en) 2012-08-29 2012-08-29 Quick centering device for engine pedestal test

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Application Number Priority Date Filing Date Title
CN201210310418.3A CN102901633B (en) 2012-08-29 2012-08-29 Quick centering device for engine pedestal test

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CN102901633B true CN102901633B (en) 2015-04-22

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