CN208409664U - Flexible flywheel fixture and cold examination equipment - Google Patents

Abstract

The utility model discloses a kind of flexible flywheel fixture and cold examination equipment, the flexible flywheel fixture includes terminal pad, multiple claws, multiple clamp arms and clamp system, multiple clamp arms are articulated in the terminal pad, the first end of the clamp arm is equipped with the claw, the second end of the clamp arm is connect with the clamp system, the clamp system can drive multiple claws mutually to draw close so that for clamping flywheel, the claw is tooth-like claw and can be meshed with the flywheel.Technical solutions of the utility model can improve flywheel positioning clamping precision, and the engine flywheel of compatible a variety of different sizes.

Description

Flexible flywheel fixture and cold examination equipment

Technical field

The utility model relates to engine cold test technical fields, and in particular to a kind of flexible flywheel fixture and cold examination are set It is standby.

Background technique

Engine is after the assembly is completed, it is necessary to quality inspection is carried out, to check the assembly precision of engine.Traditional quality inspection Mode is heat examination, i.e., by engine ignition, is placed on rack and runs and examine its operation conditions.Engine thermal testing has cost The long disadvantage of high and detection time, be easy to cause production bottleneck, therefore, drives engine flywheel to rotate mould by servo motor The cold examination mode for sending out motivation operating is more universal at present.

During engine cold test, currently available technology relies primarily on equipment and clamps engine flywheel positioning pin, passes through Servo motor driving drives engine flywheel rotation, and equipment positioning accuracy when clamping flywheel positioning pin is insufficient, easily causes in height Speed drives lower clamping part to get loose, i.e., when running at high speed, stability is not high.The mode flexibility of flywheel positioning pin driving is not Height can not be compatible with institute's organic type at present in production, and clamp system is easy to wear during the test, the cost of more exchange device compared with Height, while also will affect production line detection efficiency.

Utility model content

The main purpose of the utility model is to provide a kind of flexible flywheel fixture, fixed to flywheel in engine cold test to solve Not the problem of fixed precision is not high and poor compatibility for position.

To achieve the above object, the utility model proposes flexible flywheel fixture include terminal pad, multiple claws, multiple folders Tight arm and clamp system, multiple clamp arms are articulated in the terminal pad, and the first end of the clamp arm is equipped with The claw, the second end of the clamp arm are connect with the clamp system, and the clamp system can drive multiple cards Pawl is mutually drawn close so that for clamping flywheel, the claw is tooth-like claw and can be meshed with the flywheel.

Preferably, the claw is quenching part.

Preferably, the claw and the clamp arm are two.

Preferably, the weight of the first end of the clamp arm is less than the weight of the second end of the clamp arm.

Preferably, the claw is removably installed on the clamp arm.

Preferably, the claw includes mounting portion and the clamping part that is set on the mounting portion, on the mounting portion Multiple mounting holes are offered, multiple rack gears are provided on the clamping part.

Preferably, the clamp system includes the driving of multiple connectors, slider disc and the driving slider disc movement Component, multiple clamp arms are arranged in a one-to-one correspondence with multiple connectors, and the second end of the clamp arm passes through the company Fitting is connect with the slider disc.

Preferably, the driving component includes sliding rail and telescoping cylinder, and the telescoping cylinder is connect with the slider disc and energy The slider disc is enough driven to slide along the sliding rail.

Preferably, the connector is spring.

The utility model also proposes a kind of cold examination equipment, and the cold examination equipment includes rotating basis and is set to the rotation Turn the flexible flywheel fixture as described above on pedestal.

In technical solutions of the utility model, claw is mounted on one end of corresponding clamp arm, clamp system with it is multiple The second end of clamp arm connects, and clamp arm is hinged with terminal pad.Flexible flywheel fixture is positioned to engine flywheel, driving folder Tight mechanism realizes that flywheel clamps, and complete engine cold test so that claw engages with flywheel and clamp flywheel.Due in flywheel Flywheel is clamped using claw in fixture, the engine flywheel of a variety of different size models can be adapted to.By on multiple clamp arms Claw flywheel is clamped, increase clamping flywheel Stability and dependability.It engages closely, has between flywheel and claw The noise that effect generates when reducing flywheel high speed rotation, and can prevent flywheel and fixture when high-speed driving flywheel from pine occurs It is de-.The utility model proposes flywheel fixture can be suitable for multiple specifications engine flywheel, enhance the simultaneous of flywheel fixture Capacitive realizes flexible production.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of flexible flywheel fixture of the utility model；

Fig. 2 is the top view of the flexible flywheel fixture of the utility model；

Fig. 3 is the structural schematic diagram of the clamp arm of the utility model；

Fig. 4 is the structural schematic diagram of the claw of the utility model.

Drawing reference numeral explanation:

Label	Title	Label	Title
				1	Claw	2	Clamp arm
3	Terminal pad	4	Connector
				5	Slider disc	6	Sliding rail
7	Telescoping cylinder

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention, It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.

It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of flexible flywheel fixtures, to solve the precision being fixedly clamped in engine cold test to flywheel The problem of not high and poor compatibility.

As depicted in figs. 1 and 2, the flexible flywheel fixture proposed in an embodiment of the utility model includes terminal pad 3, more A claw 1, multiple clamp arms 2 and clamp system (not indicating), multiple clamp arms 2 are articulated in terminal pad 3, clamp arm 2 First end claw 1 is installed, the second end of clamp arm 2 is connect with clamp system, and clamp system can drive multiple 1 phases of claw It mutually draws close for clamping flywheel.Wherein, claw 1 is tooth-like claw and can be meshed with flywheel, in the driving of clamp system Under multiple claws 1 flywheel is gripped.Claw clamps flywheel, reduces asking of easily getting loose in flywheel operational process Topic, enhances the stability under flywheel runs at high speed.In production assembling process, the engine flywheel specification of different model is not Together, the flexible flywheel fixture and in above-described embodiment is suitable for the flywheel of a variety of different sizes, improves production efficiency, reduces Production cost.

In the above-described embodiments, multiple claws 1 are all mounted on the first end of corresponding clamp arm 2, multiple clamp arms 2 It is articulated with terminal pad 3, the second end of clamp arm 2 is connected with clamp system, and the first end and second end of clamp arm 2 can be around hinges Contact turns an angle, and under clamp system driving, the second end of clamp arm 2 is drawn close, and the first end of clamp arm 2 is opened, After flywheel fixture is positioned to flywheel engaging tooth, the second end that clamp system controls clamp arm 2 is opened, at this time clamp arm 2 first Claw 1 on end is gathered, and claw 1 is meshed with flywheel and clamps flywheel.Due to using claw engagement flywheel and clamping flywheel, When flywheel being driven to carry out high-speed rotation, flywheel can be accurately clamped, prevents flywheel from loosening.It should be noted that above-mentioned technical proposal In, it is clamped by flywheel signal teeth, the flywheel alignment pin position for avoiding different model specification is different and compatible bad The problem of, the utility model proposes flywheel fixture can be suitable for multiple specifications engine flywheel, enhance flywheel fixture Compatibility, realize flexible production.

In a preferred embodiment, the claw 1 of the utility model is quenching part, and above-mentioned claw 1 is wear-resisting after quenching treatment Property enhancing.During driving flywheel operating, it is contemplated that claw problem easy to wear, using the claw of quenching part, Neng Gouzeng The stability and service life for adding claw reduce complicated disassembling section caused by claw is worn, it is cold to effectively reduce engine The mean test time of examination.Also, in a preferred embodiment, claw 1 additionally uses contoured design, with the flywheel accuracy of mesh Height compares conventional locating pins drive form, and the back lash between claw 1 and flywheel is small, and the noise of operation process is small.

Referring to Figures 1 and 2, in a preferred embodiment, claw 1 and clamp arm 2 are disposed as two, and two claws 1 are installed In the first end of corresponding clamp arm 2, two clamp arms 2 are symmetrically articulated with 3 both ends of terminal pad, and using two claws 1 to flywheel It is clamped.In other examples, can also using three or more clamp arm 2 and with its one-to-one claw 1 Flywheel fixture is arranged in connection type around 3 array distribution of terminal pad, can further increase flexible flywheel fixture clamping flywheel Stability and safety.

As shown in figures 1 and 3, in a preferred embodiment, clamp arm 2 is nonequilibrium clamp arm, i.e. the first of clamp arm 2 Weight is held to be less than the weight of 2 second end of clamp arm.In above-mentioned flywheel clamp flywheel and when high speed rotation, the of clamp arm 2 Two end centrifugal force are greater than first end centrifugal force, are mutually gathered by the first end of leverage driving clamp arm 2, that is, clamp arm 2 the Claw 1 on one end further clamps flywheel, and phenomenon is got loose when preventing flywheel from rotating.

In the preferred embodiment in the utility model, the claw 1 of flexible flywheel fixture is to be removably installed in clamp arm 2 On.1 degree of wear of claw quickly can carry out dismounting and change to claw 1 when serious, reduce the charge and discharge operations of other component, avoid Unnecessary step improves the efficiency of detection, the above-mentioned flexible flywheel fixture of maintenance.

As shown in figure 4, in a preferred embodiment, claw 1 includes mounting portion and the clamping part being set on mounting portion, peace Multiple mounting holes are offered in dress portion, and multiple rack gears are provided on clamping part.Rack gear and flywheel engagement, when claw is engaged on When at tongue, claw can rotate by a certain angle under clamp system driving and be engaged to flywheel groove again, it is ensured that 1 energy of claw Enough clamp flywheel.

In a preferred embodiment, referring to Fig. 2, the clamp system of flexible flywheel fixture includes multiple connectors 4, slider disc 5 And the driving assembly that driving slider disc 5 is mobile, multiple clamp arms 2 and multiple connectors 4 connect one to one setting, clamp arm 2 second end is connect by connector 4 with slider disc 5.When above-mentioned driving assembly driving slider disc 5 moves back and forth, drive multiple The second end of clamp arm 2 is gathered and is opened, and realizes loosening and clamping for the claw 1 in 2 first end of clamp arm.

In above preferred embodiment, referring to Figures 1 and 2, driving assembly includes telescoping cylinder 7 and sliding rail 6, telescoping cylinder 7 with Above-mentioned slider disc 5 connects, and slider disc 5 can be driven to slide along sliding rail 6.By the flexible of control telescoping cylinder 7, to move sliding The position of disk 5, so as to adjust the opening and closing angle of clamp arm 2, with can rapidly to engine flywheel carry out positioning clamping and It loosens.Wherein, telescoping cylinder 7 can be hydraulic cylinder, cylinder or electric telescopic rod etc..

Further, as shown in Fig. 2, in the above-described embodiments, connector 4 can be spring, the second end of clamp arm 2 with The first end of spring connects one to one, and the second end of multiple springs is connect with slider disc 5 respectively, and slider disc 5 moves back and forth logical Cross spring drive clamp arm 2 draw close and separate, and then control claw 1 clamping with loosen.It should be noted that above-mentioned connector 4 can also be connecting rod, and the first end and clamp arm 2 of connecting rod are hinged and second end and slider disc 5 are hinged, and 5 movement of slider disc can Control claw 1 clamps or loosens flywheel.

In addition, the utility model also provides a kind of cold examination equipment comprising rotating basis and be set on rotating basis Flexible flywheel fixture as described above.Rotating basis is rotated under the driving of servo motor, above-mentioned flexible winged to drive Wheel fixture is rotated, and then drives engine flywheel high speed rotation, realizes engine cold test.The flexible flywheel fixture it is specific Structure at least has upper referring to above-described embodiment since cold examination equipment uses whole technical solutions of above-described embodiment All beneficial effects brought by the technical solution of embodiment are stated, this is no longer going to repeat them.

The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all Under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or directly/ Other related technical areas are used in indirectly to be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of flexible flywheel fixture, which is characterized in that the flexible flywheel fixture includes terminal pad, multiple claws, multiple folders Tight arm and clamp system, multiple clamp arms are articulated in the terminal pad, and the first end of the clamp arm is equipped with The claw, the second end of the clamp arm are connect with the clamp system, and the clamp system can drive multiple cards Pawl is mutually drawn close so that for clamping flywheel, the claw is tooth-like claw and can be meshed with the flywheel.

2. flexible flywheel fixture as described in claim 1, which is characterized in that the claw is quenching part.

3. flexible flywheel fixture as described in claim 1, which is characterized in that the claw and the clamp arm are two.

4. flexible flywheel fixture as described in claim 1, which is characterized in that the weight of the first end of the clamp arm is less than institute State the weight of the second end of clamp arm.

5. such as flexible flywheel fixture of any of claims 1-4, which is characterized in that the claw is removably installed In on the clamp arm.

6. flexible flywheel fixture as claimed in claim 5, which is characterized in that the claw includes mounting portion and is set to institute The clamping part on mounting portion is stated, multiple mounting holes are offered on the mounting portion, multiple rack gears are provided on the clamping part.

7. such as flexible flywheel fixture of any of claims 1-4, which is characterized in that the clamp system includes multiple The driving assembly of connector, slider disc and the driving slider disc movement, multiple clamp arms and multiple connectors It is arranged in a one-to-one correspondence, the second end of the clamp arm is connect by the connector with the slider disc.

8. flexible flywheel fixture as claimed in claim 7, which is characterized in that the driving component includes sliding rail and stretches Cylinder, the telescoping cylinder connect with the slider disc and the slider disc can be driven to slide along the sliding rail.

9. flexible flywheel fixture as claimed in claim 7, which is characterized in that the connector is spring.

10. a kind of cold examination equipment, which is characterized in that the cold examination equipment includes rotating basis and is set to the rotating basis On flexible flywheel fixture as claimed in any one of claims 1-9 wherein.