CN201897526U

CN201897526U - Bracket for engine test

Info

Publication number: CN201897526U
Application number: CN2010202236590U
Authority: CN
Inventors: 张小诚
Original assignee: SAIC Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2010-06-04
Filing date: 2010-06-04
Publication date: 2011-07-13
Anticipated expiration: 2020-06-04

Abstract

The utility model relates to an automobile engine, in particular to a bracket for fixing the engine during the engine pedestal test. The bracket for the engine test comprises a front end bracket and a rear end bracket, wherein the front end bracket comprises a rack and a fixed block; the rack is hinged with the fixed block, and a hinge shaft between the rack and the fixed block is provided with a control mechanism; the rear end bracket is provided with a plurality of connecting holes, the size and the position of the connecting hole correspond to that of a threaded connecting hole on the engine body around a flywheel, the position of the shaft core of the hinge shaft corresponds to the position of the shaft core of the connecting hole; the plurality of connecting holes are provided, so that the fixed block and the rack can rotate relatively, when the engine is connected between the front end bracket and the rear end bracket, the angle of inclination of the engine can change; the front end bracket is fixedly connected with a transition bracket which is fixedly connected with the engine body, the rear end bracket is fixedly connected with one end of the flywheel of the engine through a bolt so as to complete the fixation of the engine; the bracket has a simple structure and is convenient to use, and the engine can be arranged as different angles of inclination.

Description

The engine test support

Technical field

The utility model relates to motor car engine, is exactly the support that is used for fixing engine when carrying out engine rig test specifically.

Background technology

Support sub-headend support that use, that be used for fixing engine and two parts of back end support in the existing engine rig test, back end support mainly is to be used for fixing engine flywheel one end, preceding end support mainly is to be used for fixing engine belt pulley one end.Because the difference that different money engine design require or vehicle is arranged, engine is actually differing tilt angles in vehicle, this just requires, and engine also has corresponding degree of tilt when bench test, with the situation that simulated engine is worked, carry out the test of performance index simultaneously on vehicle.

Because the angle of inclination difference of engine design, existing each engine all will design and produce a corresponding cover support, so not only the quantity of support, of a great variety is wasted experimentation cost; And be not easy to unified and standard management, and complex operation, time-consuming, effort when using.

Summary of the invention

Fundamental purpose of the present utility model is used for fixing the support of engine when providing a kind of engine rig test, this test supporting structure is simple, easy to use and engine arrangement can be become different angles of inclination.

For achieving the above object, the technical scheme that the utility model adopted is: a kind of engine test support, comprise preceding end support that is used for fixing engine belt pulley one end and the back end support that is used for fixing engine flywheel one end, two stands is arranged on the testing table, zone between the two stands is corresponding with the size of engine, preceding end support comprises frame and fixed block, frame and fixed block are articulated and connected, and are provided for making both optionally to be in the control gear of the free rotary state or the state that is fixed as one on both jointed shafts; Many group connecting holes are set on the end support of described back, and the size of the threaded connection hole on the body of the size of connecting hole and engine flywheel periphery is coincide, and the position of every group of connecting hole is corresponding with the flywheel of engine; The axle core of jointed shaft is corresponding with the position of connecting hole.

During trystate, engine is between two stands, and the fixed block and the frame of preceding end support are in the state of being fixed as one, and fixed block and transition bracket are affixed, and transition bracket is fixed on the body of engine belt pulley one end; The body of the flywheel side of back end support and engine is affixed with bolt or screw by connecting hole.When needs change the angle of inclination of engine, operating control mechanism, make fixed block rotate needed angle around jointed shaft, the fixing position of fixed block then, the angle of inclination of engine is with regard to respective change, because correspondingly being connected by different connecting holes with the back end support, many group connecting holes on the end support of back of the present utility model, the engine body after angle changes so get final product.Such test supporting structure is simple, uses operation also very convenient, engine arrangement can be become different angles of inclination; Cooperate the slide mechanism of removable forward and backward set spacing to use, the utility model can satisfy the test needs of various engines.

Description of drawings

Fig. 1 user mode reference diagram of the present utility model;

Fig. 2 is the structural representation of preceding end support of the present utility model;

Fig. 3 is the structural representation of back of the present utility model end support;

Fig. 4 is the structural representation of the back end support of another kind of embodiment;

Fig. 5 is the vertical view of back of the present utility model end support.

Embodiment

A kind of engine test support as shown in Figure 1, comprise the preceding end support and the back end support that are fixed on the testing table 1, preceding end support is used for fixing belt pulley one end of engine, back end support is used for fixing flywheel one end of engine, the spacing of two stands equals or is slightly larger than the physical dimension of engine, and two stands has suitable height, make engine be in suitable height so that be operating as suitable, preceding end support comprises frame 10 and fixed block 20, frame 10 is articulated and connected with fixed block 20, on its jointed shaft 30 control gear is set, so as when test jointed shaft 30 be in fixing, stationary state can not relatively rotate, fixed block 20 is also just fixing with the relative position of frame 10, or claim to be in the state of being fixed as one, so that make the engine smooth working, carry out related data simultaneously and measure; And need to adjust the angle of inclination of engine, when perhaps using different engine instead, fixed block 20 can relatively rotate required angle around jointed shaft 30 with frame 10, just can be in free rotary state.Many group connecting holes 41 are set on the back end support, because all be provided with the threaded connection hole that is used to connect car body or testing equipment on the body of available engine flywheel periphery, so if the aperture of connecting hole 41 and position all with engine on threaded connection hole coincide, promptly available bolt or screw will the back end support and engine body affixed; Engine inclination different angles, just the engine body wheel shaft core that is diversion rotates to an angle, so the flywheel shaft core that needs only with engine is a benchmark, many group connecting holes 41 are set on the end support of back, engine also just correspondingly can be in multiple heeling condition so, single group connecting hole 41 is shown in hyperbolic curve among Fig. 3, as long as it is many more that connecting hole 41 is provided with, the leeway that the tilt adjustable of engine is put in order is also big more, in other words engine can carry out the degree of tilt adjustment by low-angle at interval, also can adjust very big angle once.Position relation as for the front and back ends support of engine mainly contains two kinds of fit systems: or jointed shaft 30 and engine flywheel coaxial arrangement, the axle core and the flywheel shaft core of jointed shaft 30 are on the same straight line in other words, like this, when the engine angle of inclination changes, engine flywheel one end is fixed with corresponding one group of connecting hole 41, before on the end support fixed block 20 correspondingly around jointed shaft 30 just the flywheel shaft core rotate same angle, frame 10 before fixing then on the end support gets final product with the position of fixed block 20, such Stability Analysis of Structures is reliable, and is easy to use.Perhaps the axle core of jointed shaft 30 also can be roughly parallel with the flywheel shaft core but not be overlapped, engine tilts after a certain angle like this, engine produces different radiuss of turn with the position that the front and back ends support connects, at this moment, perhaps fixed block 20 is set to length-adjustable structure, for example fixed block 20 is exactly that the lower end is hinged on cylinder unit on the frame 10, can adjust the engine angle of inclination easily like this, and make the flywheel shaft core stationkeeping of engine; Can certainly be at affixed second slide mechanism in preceding end support bottom, the slide rail length direction of second slide mechanism is perpendicular to the shaft core direction of flywheel, end support can be with respect to flywheel shaft core move left and right before just allowing, so also can the secure fixation engine, guarantee the flywheel shaft core stationkeeping of engine simultaneously, be convenient to proceed test, the advantage of this structure is that whole device can be compacter, and it is little to take up room.

Concrete fixed form as for engine, just the concrete structure of the preceding end support of this support can be: described jointed shaft 30 is a bolt, bolt is worn in the

circular hole

11,21 that is connected on frame 10 and the fixed block 20, and described control gear comprises the nut 32 on the termination relative with bolt head 31 that is arranged on the bolt; Be provided for threaded hole 22 on the described fixed block 20 with the connection of engine transition bracket.Its advantage is as described in following two sections:

Engine is placed zone between the two stands, the back end support is fixed with flywheel one end of engine by connecting hole 41 with bolt or screw, the fixed block 20 of preceding end support welds with the engine transition bracket, and transition bracket is affixed with existing mode and engine; Perhaps as Fig. 1, the rebound 60 that is provided with shown in Figure 2, offer through hole on the rebound 60, threaded hole 22 is offered in fixed block 20 upper ends, the axle core of threaded hole 22 is perpendicular to the axle core of jointed shaft 30, and roughly be positioned at the centre position of fixed block 20, just described threaded hole 22 is positioned at the upper end of fixed block 20 and vertical with jointed shaft 30, fixed block 20 is threaded with rebound 60 by this threaded hole 22, rebound 60 also constitutes with transition bracket and is threaded, transition bracket is connected on the engine body of engine belt pulley one end then, is convenient to the preceding end support of off-test dismounting engine and recycling like this.When the engine of differing tilt angles was installed, operating control mechanism was adjusted the angle of fixed block 20, utilized different connecting holes 41 on the end support of back to be connected with engine flywheel one end and got final product.Such test supporting structure is simple, easy to operate.

Control gear of the present utility model can be a stepper motor that is fixed on the frame 10, the output shaft of motor is as jointed shaft 30, fixed block 20 is fixedlyed connected with jointed shaft 30 simultaneously, control step motor like this, jointed shaft 30 can the arbitrarily angled or stationary fixing of very accurate rotation, and such being provided with is easy to use; Control gear also can be the combination of bolts and nuts, as jointed shaft 30 is a bolt, bolt is worn on the circular hole 11 that is connected on the frame 10, wear in the circular hole 21 that is connected on the fixed block 20 centre, the body of bolt that bolt head 31 is positioned at frame 10 outsides, fixed block 20 outsides is provided with adaptive nut 32 on one's body, unscrews nut 32 like this, and fixed block 20 is in free rotary state, fastening nut 32, fixed block 20 is in the state of being fixed as one with frame 10; Such structure processing, easy to use in order to strengthen the intensity of frame 10, does not increase material usage simultaneously again.Be more preferably: frame 10 of the present utility model is by constituting along symmetrically arranged two columns of jointed shaft 30 length directions, and described fixed block 20 is hinged on the column upper end; It is better that such frame 10 supports the performance of jointed shaft 30 and fixed block 20, at this moment, the screw rod stage casing of described jointed shaft 30 and fixed block are 20 affixed, wear in the circular hole 11 that is connected on the frame 10 rear and front end, just jointed shaft 30 need be fixedlyed connected with fixed block 20, for example earlier fixed block 20 and jointed shaft 30 are assembled on the frame 10, weld fixed block 20 and jointed shaft 30 then, perhaps on the shaft of the stage casing of bolt, process keyway, process the keyway that matches at fixed block 20 endoporus 21 inwalls then, the two key connects.Bolt head 31 all is positioned at the two columns outside that constitutes frame 10 with nut 32 on the relative termination that is positioned at bolt head 31, as shown in Figure 2, screw nut 32, fixed block 20 is in the state of being fixed as one with frame 10, unscrew nut 32, fixed block 20 is in free rotary state with frame 10, and such structure also is convenient to dismounting and is changed fixed block 20.

As for the back end support, it can process many group connecting holes 41 on the riser 40 of two bar shapeds, area arrangements engine flywheel between two risers, preferably the back end support is the riser 40 of a whole shape, shown in Fig. 3,4,5, described back end support comprises riser 40, and the through hole 42 of size and engine flywheel coupling is offered at riser 40 middle parts, and described connecting hole 41 gathers along the periphery of through hole 42.Also can be described as: the through hole 42 that size is slightly larger than the engine flywheel size is offered at riser 40 middle parts, engine flywheel can pass through hole 42 and be exposed to end support space in addition, back like this, flywheel can connect the load facility easily and tests then, such riser 40 structural symmetry are firm, what be convenient to simultaneously flywheel and load facility again is connected the corresponding periphery of connecting hole 41 along through hole 42 of respectively organizing; Because the threaded connection hole of engine flywheel dish side is the center symmetric arrangement with the engine flywheel dish also usually, so connecting hole 41 is as long as dispersed placement is a plurality of continuously on riser 40 plate bodys in through hole 42 outsides, during user mode, it is on the same circle at center that the center of circle of each connecting hole 41 is in the engine flywheel, and the center of the connecting hole on this radius of a circle and the engine equates to the distance of flywheel shaft core; For such engine, for support easy to process, connecting hole 41 also can be a waist-shaped hole, mounting hole is along through hole 42 periphery, the center line of the length direction of waist-shaped hole and two long limits all are and concentric circular-arc of through hole 42, and this circular arc also equals connecting hole on the engine to the distance of flywheel shaft core to the distance of flywheel shaft core, and mounting hole can make the rear end support bigger with the angle Selection leeway that is connected of engine, satisfies the more needs of multiple-motor test.

Further, frame 10 also comprises base plate 12, and base plate 12 is fixed in two root post lower ends, and fixed orifice 431 is set on base plate 12 then, so that base plate 12 is connected with testing table 1; Riser 40 lower ends of back end support are fixed on the big base plate 43, also offer fixed orifice 431 on the big base plate 43, big base plate 43 also constitutes bolt with testing table 1 and is connected, so not only make frame 10 and riser 40 erect more stablely, and be convenient to two stands is disassembled from testing table 1, keep in repair or change two supports.

Better, as shown in Figure 1, preferably fixedly connected with slide mechanism 50 in base plate 12 lower ends, and the slide rail of slide mechanism 50 is fixed on the testing table 1, and the length direction of slide rail is parallel to the shaft core direction of jointed shaft 30, roughly the length direction of engine just.Manipulation slide mechanism 50 can be adjusted the spacing between the forward and backward support like this, make this test support can satisfy the test needs of the engine of different size dimensions, differing tilt angles, further improved usable range of the present utility model, and such structure guaranteed the fixing of flywheel position, is convenient to test operation.Certainly, slide mechanism 50 also can be connected big base plate 43 lower ends, perhaps base plate 12 lower ends and all affixed slide mechanism 50 in base plate 43 lower ends greatly, and the roll adjustment operation is with more convenient like this.

Claims

1. engine test support, comprise preceding end support that is used for fixing engine belt pulley one end and the back end support that is used for fixing engine flywheel one end, two stands is arranged on the testing table (1), zone between the two stands is corresponding with the size of engine, it is characterized in that: end support comprises frame (10) and fixed block (20) before described, frame (10) is articulated and connected with fixed block (20), is provided for making both optionally to be in the control gear of the free rotary state or the state that is fixed as one on both jointed shafts (30); Many group connecting holes (41) are set on the end support of described back, and the size of the threaded connection hole on the size of connecting hole (41) and the body of engine flywheel periphery is coincide, and the position of every group of connecting hole (41) is corresponding with the flywheel of engine; The axle core of jointed shaft (30) is corresponding with the position of connecting hole (41).

2. a kind of engine test support according to claim 1, it is characterized in that: described jointed shaft (30) is a bolt, bolt is worn in the circular hole (11,21) that is connected on frame (10) and the fixed block (20), and described control gear comprises the nut (32) on the termination relative with bolt head (31) that is arranged on the bolt; Be provided for threaded hole (22) on the described fixed block (20) with the connection of engine transition bracket.

3. a kind of engine test support according to claim 1, it is characterized in that: described back end support comprises riser (40), the through hole (42) of size and engine flywheel coupling is offered at riser (40) middle part, and described connecting hole (41) gathers along the periphery of through hole (42).

4. a kind of engine test support according to claim 2, it is characterized in that: the screw rod stage casing of described jointed shaft (30) and fixed block (20) are affixed, wear in the circular hole (11) that is connected on the frame (10) rear and front end, and described threaded hole (22) is positioned at the upper end of fixed block (20) and vertical with jointed shaft (30).

5. a kind of engine test support according to claim 3 is characterized in that: described connecting hole (41) is a mounting hole, and the center line of its length direction is and concentric circular-arc of through hole (42).

6. according to claim 4 or 5 described a kind of engine test supports, it is characterized in that: described frame (10) comprises base plate (12) and is fixed in two root posts on the base plate (12) that described fixed block (20) is hinged on the column upper end; Riser (40) lower end of described back end support is fixed on the big base plate (43).

7. a kind of engine test support according to claim 6 is characterized in that: fixedly connected with slide mechanism (50) in described base plate (12) and/or big base plate (43) lower end.

8. according to any described a kind of engine test support of claim 1 to 5, it is characterized in that: the lower end and second slide mechanism of end support or back end support are affixed before described, and the length direction of the slide rail of second slide mechanism is perpendicular to the shaft core direction of engine flywheel.