CN208383453U - A kind of thrust bearing load testing machine - Google Patents

Abstract

The utility model relates to Bearing testing technical field more particularly to a kind of thrust bearing load testing machines, including pedestal, guide post, upper drive mechanism, mechanism for testing and lower drive mechanism；Upper drive mechanism includes fixed plate, transmission component, driving assembly；Mechanism for testing includes supporting body, positioning component, charging assembly and control assembly, positioning component include bearing seat A, mounting groove and be set to bearing seat A top supporting part, charging assembly includes the thrust ring being set between bearing seat A and supporting part, the thrust ring driven to rotate and the shaft that is connected with transmission component；Pass through the separable kind of drive of mechanism for testing and upper drive mechanism, make thrust ring treat test bearing rub while axial ballast with it, in conjunction with control assembly to the stability contorting of flow media, it realizes being quickly converted for bearing test environment, solves the cumbersome and low testing efficiency technical problem of test existing in the prior art.

Description

A kind of thrust bearing load testing machine

Technical field

The utility model relates to bearing the field of test technology more particularly to a kind of thrust bearing load testing machines.

Background technique

With the fast development of machinery industry, so that market be made further to propose the performance of bearing used in mechanical equipment Height, and the test of load, wear-resisting type, stability and service life is essentially consisted in for the performance of bearing, traditional bearing It can the test method period be long, costly and experimental result poor reliability；Particularly with top load thrust bearing, since it is chiefly used in In the heavy-duty machineries such as petroleum, mining industry, ship, to keep its test request stringenter.

Chinese Patent Application No.: a kind of thrust bearing axial force experimental provision disclosed in 2014204380575, including axis To power force application part and experiment motor, axial force force application part includes fixed plate, jack, power conduction flat rubber belting, support frame, bearing Component and connecting plate, bearing assembly include first bearing seat, bearing and thrust disc, and the motor shaft and axial force for testing motor exert a force The bearing assembly of component cooperates, and thrust bearing to be tested is mounted in experiment electric motor and is arranged in second bearing seat, jack It is equipped with pressure gauge.

Above-mentioned technical proposal after bearing to be tested is installed on experiment motor by jack pair experiment electric motor by being applied After adding loading force, the test for the treatment of test bearing is conducted through motor shaft to realization on bearing to be tested；It is well known, however, that axis The use equipment held and use occasion can not determine, it is therefore desirable to treat test bearing difference use environment and carry out simulation test Meanwhile needing to test service performance and parameter in its extreme environment, i.e., make in high temperature and pressure or low-temp low-pressure environment With performance, and above-mentioned technical proposal cannot achieve the simulation for treating test bearing difference use environment, treat so as to cause it Need repeatedly to replace different test equipments in test bearing detection process, therefore its test of above-mentioned technical proposal is cumbersome and tests Low efficiency.

Utility model content

The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of thrust bearing load testing machine, By the separable kind of drive of mechanism for testing and upper drive mechanism, so that thrust ring is treated test bearing and carry out the same of axial ballast Shi Yuqi friction realizes being quickly converted for bearing test environment in conjunction with control assembly to the stability contorting of flow media, solves existing There is the technical problem that test is cumbersome and low testing efficiency present in technology.

In order to solve the above technical problems, the utility model provides a kind of thrust bearing load testing machine, including pedestal, set The guide post being placed on the pedestal, which is characterized in that further include the upper drive mechanism set gradually from top to down, mechanism for testing and The lower drive mechanism for driving the mechanism for testing to move up and down；The upper drive mechanism is installed in the guide post comprising Gu Surely the fixed plate at the top of guide post, the transmission component being installed in the fixed plate, the drive for driving the transmission component to rotate are set to Dynamic component；The mechanism for testing includes the internal supporting body containing flow media, is set in the supporting body and treats test bearing The positioning component of radial positioning is carried out, is equipped with the positioning component and treats the charging assembly that test bearing carries out axial pressure And it is set to the control assembly for carrying out temperature regulation on the supporting body to the flow media of its inside, the positioning component packet Bearing seat A is included, the mounting groove on bearing seat A for installing bearing to be tested is opened in and is set to the bearing seat A's The supporting part of top, the charging assembly include the thrust ring being set between the bearing seat A and supporting part, drive the thrust The shaft that ring rotates and is connected with the transmission component.

Wherein, the bearing seat A is fixedly installed on the bottom of the supporting body and sets with the supporting part in symmetrical above and below It sets, forms the installation space of the thrust ring between bearing seat A and the supporting part, the installation space and the supporting body Inner space is connected, and the shaft, which runs through the bearing seat A and supporting part along the vertical direction and is rotatably assorted with both, to be set It sets.

As improvement, the supporting part includes bearing seat B identical with the bearing seat A structure and is fixedly installed on this Thrust bearing on bearing seat B, the thrust bearing and bearing to be tested be located at the two sides up and down of the thrust ring and with It contacts setting.

As improvement, the charging assembly further includes the pressure set being arranged in the shaft, is opened in outside the shaft Limiting slot on periphery is set in the limiting slot and is located between pressure set and the thrust ring and is used for thrust ring Carry out the axial limiting ring of axially position.

As an improvement, the control assembly includes being set on the supporting body and being connected with inside it for inside it The ingress pipe and efferent duct and be set to the top of the supporting part and protrude into the thermometric of the supporting body that flow media shifts Instrument；The ingress pipe and efferent duct are located at the outside of the supporting body and the two is in setting up and down.

As an improvement, the driving component and the transmission component are set in the fixed plate in up-down structure, it is described Transmission component include be rotatably dispose in the retainer below the fixed plate and be set on the retainer and with the shaft The spline of mating connection, the spline are connected in a manner of spline drived with the shaft.

As an improvement, the lower drive mechanism is the setting of inverted air cylinder structure comprising sliding sleeve is set to the guiding Movable plate on column is set to the cylinder body on the movable plate and extended downwardly, is equipped with and is disposed below with the cylinder body Piston rod, be set to the piston rod end aligning steel ball and be fixedly installed on the pedestal and with the aligning steel ball phase The locating piece of contact.

As an improvement, the pedestal, fixed plate and movable plate are horizontally disposed rectangular configuration, the guide post is along perpendicular Histogram is to the quadrangle for being fixedly installed on the pedestal respectively.

As improvement, the retainer, shaft, bearing seat A, cylinder body, piston rod and aligning steel ball are coaxial arrangement.

The utility model has the beneficial effects that

(1) it is arranged in the utility model by the special construction of positioning component and charging assembly, by thrust ring to be tested Bearing rub corresponding thereto while axial ballast, is covered by stop collar, pressure, the setting of bearing seat A and bearing seat B, The loading force of lower drive mechanism is transferred to by transmission by stop collar and pressure set while carrying out upper and lower radial limit to shaft On component, the operation stability of shaft in test process is realized, control is stablized to flow media in supporting body in conjunction in control assembly The separable kind of drive of the setting of the ingress pipe and efferent duct of system and driving mechanism and mechanism for testing is realized to supporting body Interior bearing different operating environmental simulation to be tested is quickly converted, and solves the cumbersome and testing efficiency of test existing in the prior art Low technical problem.

(2) the axial set that supports and press that the stop collar that engaging is set in shaft in the present invention holds shaft Conduction to loading force between transmission component and thrust ring, so that the bearing capacity of shaft in test process is reduced, in conjunction with bearing seat A The operation stability of shaft is further increased to the coaxial positioning of shaft with bearing seat B.

In conclusion the utility model has, structure is simple, Work condition analogue type is more and testing efficiency height, data can By the advantages that；It is particularly suitable for a kind of thrust bearing load testing machine of top load thrust bearing test.

Detailed description of the invention

It, below will be to required in embodiment description for the clearer technical solution for illustrating the utility model embodiment The attached drawing used is briefly described, it should be apparent that, drawings discussed below is only some embodiments of the utility model, For those of ordinary skill in the art, without creative efforts, it can also obtain according to these attached drawings Obtain other accompanying drawings.

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is one of the utility model front view shape body schematic diagram；

Fig. 3 is bearing overall structure diagram to be detected；

Fig. 4 is cushion block structure schematic diagram；

Fig. 5 is the two of the utility model status diagram；

Fig. 6 is mechanism for testing cutaway enlargement diagram；

Fig. 7 is enlarged diagram at A in Fig. 6；

Fig. 8 is pivot structure schematic diagram；

Fig. 9 is enlarged diagram at B in Fig. 5；

Figure 10 is enlarged diagram at C in Fig. 5.

Specific embodiment

The technical scheme in the embodiment of the utility model is clearly and completely illustrated with reference to the accompanying drawing.

Embodiment one

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

As shown in Fig. 1,2,3,4,5,6 and 7, a kind of thrust bearing load testing machine, including pedestal 1, it is set to the pedestal 1 On guide post 2, further include the upper drive mechanism 3 set gradually from top to down, mechanism for testing 4 and drive on the mechanism for testing 4 The lower drive mechanism 5 of lower movement；The upper drive mechanism 3 is installed in the guide post 2 comprising is fixedly installed on guide post The fixed plate 31 at 2 tops, the transmission component 32 being installed in the fixed plate 31, the driving assembly for driving the transmission component 32 to rotate 33；The mechanism for testing 4 includes the internal supporting body 41 containing flow media, is set in the supporting body 41 and treats test bearing The positioning component 42 of 10 progress radial positionings is equipped with the positioning component 42 and treats the progress axial pressure of test bearing 10 Charging assembly 43 and the control assembly 44 for being set to the flow media progress temperature regulation on the supporting body 41 to its inside, The positioning component 42 includes bearing seat A421, is opened on bearing seat A421 for installing the mounting groove of bearing 10 to be tested 422 and be set to the bearing seat A421 top supporting part 423, the charging assembly 43 include be set to the carrying Seat A421 and supporting part 423 between thrust ring 431, drive the thrust ring 431 rotate and be connected with the transmission component 32 Shaft 433；In the present embodiment, bearing 10 to be tested is fixedly installed in mounting groove 422 by positioning pin, transmission component 32 It is separable setting with shaft 433, when test, drives shaft 433 to move up by lower drive mechanism 5 and match with the transmission of transmission component 32 It closes, while treating test bearing 10 by transmission component 32 and the cooperation of lower drive mechanism 5 through thrust ring 431 and carry out axial ballast It drives thrust ring 431 to rotate by shaft 433, so that the cushion block 101 on bearing 10 to be tested is generated swing by thrust ring 431, from And make to form oil film between thrust ring 431 and cushion block 101.

Wherein, as shown in Fig. 5,6 and 7, the bearing seat A421 be fixedly installed on the bottom of the supporting body 41 and with institute Supporting part 423 is stated in being symmetrical arranged up and down, forms the thrust ring 431 between bearing seat A421 and the supporting part 423 Installation space 434, the installation space 434 are connected with the inner space of the supporting body 41, and the shaft 433 is along the vertical direction Through the bearing seat A421 and supporting part 423 and with both setting that is rotatably assorted；In the present embodiment, shaft 433 with hold It carries seat A421 and supporting part 423 to be rotatably assorted setting by sliding bearing respectively, while realization is to the axially position of shaft 433 The axial-rotation stability that limit improves shaft 433 is carried out to it, additionally by installation space 434 and 41 inner space of supporting body It is connected to, in test process, flow media enters realization pair between bearing 10 to be tested and thrust ring 431 by installation space 434 The rapid cooling of bearing 10 to be tested.

In addition, as shown in Figures 3 and 4, bearing 10 to be detected includes carrier and cushion block 101, and carrier includes being arranged on Boss, the multiple positioning pins being installed on the boss and the oil supply slot for being opened in boss side；The cushion block 101 is installed In the carrier comprising be set to the two sides of cushion block 101 and with detent fit setting positioning chamber, be set to cushion block bottom And the supporting block contacted with the boss and the oil storage tank positioned at the supporting block side, the oil storage tank and the oil supply slot connect Logical setting, is supported cushion block 101 by positioning pin and supporting block, and cushion block is opposite with thrust ring 431 during the test rubs It wipes, to make the swing of cushion block 101 by a small margin around supporting block generation, makes to form oil film, Jin Erti between cushion block and thrust ring 431 The wear-resisting type and its service life of high bearing 10 to be detected.

Further, as shown in fig. 6, the supporting part 423 includes bearing seat identical with the bearing seat A421 structure B4231 and the thrust bearing 4232 being fixedly installed on bearing seat B4231, the thrust bearing 4232 and bearing 10 to be tested It is located at the two sides up and down of the thrust ring 431 and is in contact with it setting.

Embodiment two

As shown in Fig. 6,7 and 8, attached drawing mark corresponding with embodiment one is used with component identical or corresponding in embodiment one Note hereafter only describes the distinctive points with embodiment one for simplicity；The difference of the embodiment two and embodiment one exists In: the charging assembly 43 further includes the pressure set 435 being arranged in the shaft 433, is opened in 433 excircle of shaft Limiting slot 436 on face is set in the limiting slot 436 and is located at the pressure and covers and is used between 435 and the thrust ring 431 The axial limiting ring 437 of axially position is carried out to thrust ring；In the present embodiment, pressure set 435 is arranged for tubular structure, limit Ring 437 is between ring structure and its outer diameter D and the diameter d of shaft 433, D > d, by stop collar 437, bearing seat A421 and Bearing seat B4231 makes shaft stable setting along the vertical direction, in addition, contacting by pressure set 435 with stop collar 437, makes lower drive Motivation structure 5 moves up, and is conducted active force to transmission component 32 by thrust ring 431, and then realizes and act on bearing to be tested The stability of axial application of force on 10.

Further, as shown in figs. 1 and 6, the control assembly 44 include be set on the supporting body 41 and in it Portion be connected for the transfer of internal flow medium ingress pipe 441 and efferent duct 442 and be set to the supporting part 423 Top and the temperature measurer 443 for protruding into the supporting body 41；The ingress pipe 441 and efferent duct 442 are located at the supporting body 41 External and the two is in setting up and down；In the present embodiment, flow media is preferably #2 #5 machinery oil, passes through ingress pipe 441 It is connected to efferent duct 442 with external cooling device, so that the flow media shape inside supporting body 41 be made to keep constant temperature, and then makes to hold The simulated environment of 41 inside bearing 10 to be tested of carrier keeps constant temperature；It is transmitted in a manner of electric signal transmission by temperature measurer 443 Control system is carried out the revolving speed control of stable, ballast power and thrust ring 431 by control system to it.

Embodiment three

As another embodiment, the flow media with high temperature or low temperature is input to by ingress pipe 441 and is held In carrier 41, cooperates temperature measurer 443, so that the test environment of bearing 10 to be tested is reached a kind of extreme operating conditions, it is carried out Limit test improves the accuracy and reliability for treating the test of detection bearing 10, realizes that the utility model treats detection bearing The Fast simulation of 10 different operating environment on the same device, improves the testing efficiency of the utility model.

Further, as shown in Fig. 5,8 and 9, the driving component 33 and the transmission component 32 are arranged in up-down structure In in the fixed plate 31, the transmission component 32 include be rotatably dispose in 31 lower section of fixed plate retainer 321 and The spline 322 for being set on the retainer 321 and being cooperatively connected with the shaft 433, the spline 322 and the shaft 433 are connected in a manner of spline drived, and in the present embodiment, retainer 321 passes through deep groove ball bearing respectively and plane bearing will Retainer 321 is rotatably dispose in fixed plate 31；Spline 322 and 433 fitting of shaft are driven, and when work, pass through lower driving machine Structure 5 pushes shaft 433 to move up, and while transmission by the spline and 322 fitting of spline that are set to 433 upper end of shaft, passes through Acting on retainer 321 is applied on thrust ring 431 by stop collar 437 and pressure set 435, is realized by thrust ring 431 Treat the axial ballast of test bearing 10.

Further, as shown in figs. 5 and 10, the lower drive mechanism 5 is the setting of inverted air cylinder structure comprising sliding The movable plate 51 that is sheathed in the guide post 2, be set to the cylinder body 52 on the movable plate 51 and extended downwardly, with the cylinder body 52 It is equipped with and the aligning steel ball 54 of piston rod 53, the end for being set to the piston rod 53 being disposed below and fixed setting In the locating piece 55 being in contact on the pedestal 1 and with the aligning steel ball 54.

Further, as shown in Fig. 2, the pedestal 1, fixed plate 31 and movable plate 51 are horizontally disposed rectangle knot Structure, the guide post 2 are fixedly installed on the quadrangle of the pedestal 1 respectively along the vertical direction.

Further, as shown in Fig. 1,2 and 5, the retainer 321, shaft 433, bearing seat A421, cylinder body 52, piston Bar 53 and aligning steel ball 54 are coaxial arrangement.

In the present invention, it is to be understood that: term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " are to be based on the orientation or positional relationship shown in the drawings, merely to just In description the utility model and simplify description, rather than the specific side that the equipment of indication or suggestion meaning or element must have Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite important Property or implicitly indicate the quantity of indicated technical characteristic.Therefore, define " first ", the feature of " second " can be expressed or Person implicitly includes one or more of the features.In the description of the utility model, the meaning of " plurality " is two or two More than a, unless otherwise specifically defined.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, the variation that anyone skilled in the art can readily occur under the technical clarification of the utility model Or replacement, such as pass through the separable kind of drive of mechanism for testing and upper drive mechanism, so that thrust ring is treated test bearing and carry out axis It rubs while to ballast with it, in conjunction with control assembly to the stability contorting of flow media, realizes the quick of bearing test environment The design concept of conversion, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered This is subject to the scope of protection of the claims.

Claims (9)

1. a kind of thrust bearing load testing machine, including pedestal (1), the guide post (2) being set on the pedestal (1), feature It is, further includes the upper drive mechanism (3) set gradually from top to down, mechanism for testing (4) and drive the mechanism for testing (4) up and down The lower drive mechanism (5) of movement；The upper drive mechanism (3) is installed on the guide post (2) comprising is set to guide post (2) fixed plate (31) on, drives the transmission component (32) to rotate at the transmission component (32) being installed in the fixed plate (31) Driving assembly (33)；The mechanism for testing (4) includes the internal supporting body (41) containing flow media, is set to the supporting body (41) test bearing (10) are treated in carry out the positioning component (42) of radial positioning, be equipped with and treat with the positioning component (42) Test bearing (10) carries out the charging assembly (43) of axial pressure and is set to the stream on the supporting body (41) to its inside Dynamic medium carries out the control assembly (44) of temperature regulation, and the positioning component (42) includes bearing seat A (421), is opened in this and holds It carries the mounting groove (422) on seat A (421) for installing bearing to be tested (10) and is set to the bearing seat A (421) The supporting part (423) of side, the charging assembly (43) include being set between the bearing seat A (421) and supporting part (423) Thrust ring (431), the shaft (433) for driving the thrust ring (431) to rotate and being connected with the transmission component (32).

2. a kind of thrust bearing load testing machine according to claim 1, which is characterized in that the bearing seat A (421) is solid Surely it is set to the bottom of the supporting body (41) and with the supporting part (423) in arranged symmetrically up and down, bearing seat A (421) The installation space (434) of the thrust ring (431) is formed between the supporting part (423), the installation space (434) with it is described The inner space of supporting body (41) is connected, and the shaft (433) is along the vertical direction through the bearing seat A (421) and carrying Portion (423) and with both setting that is rotatably assorted.

3. a kind of thrust bearing load testing machine according to claim 2, which is characterized in that supporting part (423) packet It includes bearing seat B (4231) identical with bearing seat A (421) structure and is fixedly installed on bearing seat B (4231) Thrust bearing (4232), the thrust bearing (4232) and bearing to be tested (10) are located at the upper and lower of the thrust ring (431) Two sides and it is in contact with it setting.

4. a kind of thrust bearing load testing machine according to claim 1, which is characterized in that the charging assembly (43) is also Including being arranged and the pressure set (435) on the shaft (433), the limiting slot that is opened on the shaft (433) outer circumference surface (436), it is set in the limiting slot (436) and is located between pressure set (435) and the thrust ring (431) for only The axial limiting ring (437) of throw-out collar (431) progress axially position.

5. a kind of thrust bearing load testing machine according to claim 1, which is characterized in that control assembly (44) packet Include be set on the supporting body (41) and be connected with inside it for internal flow medium transfer ingress pipe (441) and It efferent duct (442) and is set to the top of the supporting part (423) and protrudes into the temperature measurer (443) of the supporting body (41)； The ingress pipe (441) and efferent duct (442) are located at the outside of the supporting body (41) and the two is in setting up and down.

6. a kind of thrust bearing load testing machine according to claim 1, which is characterized in that the driving component (33) with The transmission component (32) is set on the fixed plate (31) in up-down structure, and the transmission component (32) includes rotation setting It retainer (321) below the fixed plate (31) and is set on the retainer (321) and matches with the shaft (433) The spline (322) of connection is closed, which is connected in a manner of spline drived with the shaft (433).

7. a kind of thrust bearing load testing machine according to claim 6, which is characterized in that the lower drive mechanism (5) For inverted air cylinder structure setting comprising sliding sleeve be set to the guide post (2) on movable plate (51), be set to the movement On plate (51) and extend downwardly cylinder body (52), be equipped with and be disposed below with the cylinder body (52) piston rod (53), set Be placed in the aligning steel ball (54) of the end of the piston rod (53) and be fixedly installed on the pedestal (1) and with the aligning steel ball (54) locating piece (55) being in contact.

8. a kind of thrust bearing load testing machine according to claim 7, which is characterized in that the pedestal (1), fixed plate (31) and movable plate (51) is horizontally disposed rectangular configuration, and the guide post (2) is fixedly installed on respectively along the vertical direction The quadrangle of the pedestal (1).

9. a kind of thrust bearing load testing machine according to claim 7, which is characterized in that the retainer (321) turns Axis (433), bearing seat A (421), cylinder body (52), piston rod (53) and aligning steel ball (54) are coaxial arrangement.