CN210037409U - Four-ball tester - Google Patents

Abstract

The utility model discloses a four ball test machines, include: the main tank body, the auxiliary tank body, controlling means and testing arrangement, the accessible waves the crank, drive the support column through stay cord pulling transmission piece, make the slider upwards slide along the inclined plane in the slide rail, the height of lifting lever loading device box, make the weight bear the height that highly promotes to the human operation of being convenient for of dish, the tester need not to make the bow, attach, action such as squat down, can bear to the weight and put the weight on the dish, tester's working strength has been alleviateed, fatigue has been alleviated, and after getting the weight and finishing, can make the slider reply initial position under the action of gravity, thereby under the prerequisite of tester adjustment weight of being convenient for, tester of being convenient for again observes testing arrangement.

Description

Four-ball tester

Technical Field

The utility model relates to a friction test equipment technical field, concretely relates to four ball test machines.

Background

When the anti-friction and wear-resistant extreme pressure performance of the lubricant material is evaluated, a test sample and a test piece are placed on a specific testing machine for testing, the friction coefficient is measured through the test, and the wear, the scratch condition and the degree of the friction surface of the test piece are observed after the test for evaluation and comparison. In the research and development of new products of lubricants, various properties of the lubricants, such as friction reduction and load resistance, were also measured using a testing machine. At present, four-ball testing machines are widely used at home and abroad to perform the above-mentioned tests.

The four-ball tester can evaluate the bearing capacity of the lubricant in the form of sliding friction under point contact pressure, wherein the bearing capacity comprises maximum non-seizure load PB, sintering load PD, comprehensive abrasion value ZMZ and the like; or carrying out long-time abrasion test, measuring friction force and calculating friction coefficient. End face wear tests and simulated wear tests of materials can also be performed using special accessories.

The lever four-ball friction testing machine generally comprises a workbench and a control platform, wherein the workbench is provided with a piston and a lever loading device, the lever loading device comprises a force application lever extending out of the workbench, weights are hung on the force application lever, and the piston is loaded by adopting a mode of hanging the weights on the lever. In order to facilitate the experimenter to observe the situation of workstation, and make things convenient for the operation control cabinet, the height of workstation and control cabinet is close with human height mutually usually, this position that is used for bearing the weight on the afterburning lever and hangs the dish is lower, the experimenter is testing, when hanging the weight on putting the dish to hanging, often need bowing, bow or squat and operate, when needs frequent adjustment weight quantity, can lead to experimenter's fatigue, it is comparatively inconvenient to operate, and if raise the workstation wholly, so that the height of hanging the dish is fit for human operation, can lead to the height of workstation too high again, be not convenient for experimenter's observation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a four ball test machines to solve current four ball test machines and can't be under the prerequisite of the tester adjustment weight of being convenient for, the tester of being convenient for again carries out the problem of surveing to the workstation.

The utility model provides a four ball test machines, include: the device comprises a main box body, an auxiliary box body, a control device and a test device;

the auxiliary box body is arranged on one side of the top of the main box body, the control device is arranged on the auxiliary box body, and the test device is arranged on the other side of the top of the main box body;

the testing device comprises a lever loading device, the lever loading device comprises a lifting table, the lifting table is arranged on the upper surface of the main box body, an inclined plane part is arranged on one side of the lifting table, a sliding rail extending from bottom to top is arranged on the inclined plane part, a sliding block is arranged in the sliding rail and is in sliding connection with the sliding rail, a vertically arranged supporting column is connected to the upper surface of the sliding block, a lever loading device box body is arranged at the top of the supporting column, a stress application lever extends out of one end of the lever loading device box body, a weight bearing rod is suspended at the end part of the stress application lever, a weight bearing disc is arranged at the bottom of the weight bearing rod, and the weight bearing rod and the weight bearing disc are located on one side of the main box body;

the side part of support column is provided with the transmission piece, one side top of elevating platform is provided with guide pulley, one side bottom of elevating platform is provided with the take-up pulley, be provided with the crank on the take-up pulley, the transmission piece is connected with the one end of stay cord, the other end of stay cord is followed guide pulley is walked around, to the take-up pulley extend and be connected with on the take-up pulley.

Optionally, the transmission block comprises a connecting block, a positioning block, a pull rope fixing piece, a positioning column and a pull head; the connecting block is vertically connected with the side part of the supporting column and extends towards the outer side of the main box body, the cross section of the connecting block is in a right trapezoid shape, the positioning block is connected to the inclined plane area of the right trapezoid shape and is in a cuboid shape, the pull rope fixing piece is arranged on the surface of one side above the positioning block, one end of the pull rope is connected with the pull rope fixing piece, the end part of the positioning column is provided with an insertion hole, the insertion hole penetrates through the positioning column, the positioning column is inserted into the insertion hole, the length of the positioning column is larger than the thickness of the positioning block, the pull head is in a cylindrical shape, and the pull head is arranged at;

one side of the lifting platform is sequentially provided with positioning holes along the lower part of the inclined plane part, and the diameters of the positioning holes are matched with the diameters of the positioning columns.

Optionally, a receiving groove is formed in the side portion of the main box body, one end of the receiving groove is connected to the side wall of the main box body, and the receiving groove is located below the weight bearing plate.

Optionally, the upper surface of the main box body is also provided with a weight containing groove, and the weight containing groove is formed in one side of the lifting platform.

Optionally, the pull rope fixing piece comprises two side supporting blocks and a fixing column connected between the two side supporting blocks, and one end of the pull rope is wound and fixed on the fixing column.

According to the above technical scheme, the utility model provides a four ball test machines, include: the lever loading device comprises a lifting table, the lifting table is arranged on the upper surface of the main box body, an inclined plane part is arranged on one side of the lifting table, a sliding rail extending from bottom to top is arranged on the inclined plane part, a sliding block is arranged in the sliding rail and is in sliding connection with the sliding rail, a vertically arranged supporting column is connected to the upper surface of the sliding block, a lever loading device box body is arranged at the top of the supporting column, a transmission block is arranged on the side part of the supporting column, a guide pulley is arranged at the top of one side of the lifting table, a take-up pulley is arranged at the bottom of one side of the lifting table, a crank is arranged on the take-up pulley, the transmission block is connected with one end of a pull rope, and the other end of the pull rope bypasses the guide pulley, extends to the take-up; the utility model discloses a four ball test machines are when using, the crank is waved to the accessible, drive the support column through stay cord pulling transmission piece, make the slider upwards slide along the inclined plane in the slide rail, the height of lifting lever loading device box, make the weight bear the weight of dish highly promote to the height of the human operation of being convenient for, the testing personnel need not to make the bow, attach, action such as squat down, can bear to the weight and put the weight on the dish, testing personnel's working strength has been alleviateed, fatigue has been alleviated, and after getting the weight and finishing, can make the slider reply to initial position under the action of gravity, thereby under the prerequisite of the testing personnel adjustment weight of being convenient for, the testing personnel of being convenient for again observes testing device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the utility model provides a four balls testing machine's overall structure sketch map.

Fig. 2 is the utility model provides a pair of lever loading device box below region's of four ball test machines structural schematic.

Fig. 3 is the utility model provides a pair of lever loading device box top regional schematic structure diagram of four ball test machines.

Fig. 4 is the utility model provides a pair of the structure schematic diagram of the transmission block of four ball test machines.

Fig. 5 is a schematic structural diagram of a receiving groove of a four-ball testing machine provided by the present invention.

Illustration of the drawings: 1-a main box body; 2-the auxiliary box body; 3-a control device; 4-test device; 41-lever loading means; 411-a lifting table; 412-a slide rail; 413-a slider; 414-support column; 415-lever loading device housing; 416-a force application lever; 417-weight bearing bar; 4171-weight bearing tray; 418-a transmission block; 419-a guide pulley; 420-a take-up pulley; 421-a crank; 422-positioning holes; 423-pulling rope; 4181-connecting block; 4182-locating piece; 4183-pull cord fastener; 4184-locating columns; 4185-a slider; 11-a receiving groove; 12-weight containing tank.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 5, an embodiment of the present invention provides a four-ball testing machine, including: a main box 1, a sub-box 2, a control device 3 and a test device 4. The auxiliary box body 2 is arranged on one side of the top of the main box body 1, the control device 3 is arranged on the auxiliary box body 2, and the testing device 4 is arranged on the other side of the top of the main box body 1. The main box body 1 and the auxiliary box body 2 can be used as storage boxes, cabinet doors can be arranged outside the storage boxes, and on the other hand, the main box body 1 and the auxiliary box body 2 can be used for bearing. The control device 3, i.e. the console of the four-ball testing machine, can be realized according to the prior art, and the testing device 4, i.e. the workbench of the four-ball testing machine, the structure of the main part thereof realizing the testing function can be realized according to the prior art.

In this embodiment, the testing apparatus 4 includes a lever loading apparatus 41, the lever loading apparatus 41 includes a lifting table 411, the lifting table 411 is disposed on the upper surface of the main box 1, one side of the lifting table 411 is provided with an inclined plane portion, the inclined plane portion is provided with a sliding rail 412 extending from bottom to top, a sliding block 413 is disposed in the sliding rail 412, and the sliding block 413 is slidably connected to the sliding rail 412. The upper surface of the sliding block 413 is connected with a vertically arranged supporting column 414, a lever loading device box 415 is arranged at the top of the supporting column 414, a stress application lever 416 extends out of one end of the lever loading device box 415, a weight bearing rod 417 is hung at the end of the stress application lever 416, a weight bearing disc 4171 is arranged at the bottom of the weight bearing rod 417, and the weight bearing rod 417 and the weight bearing disc 4171 are located on one side of the main box 1 and used for taking and placing weights during testing. The specific structures of the lever loading device 41, the lever loading device housing 415, and the force application lever 416 in the present application can be implemented according to the prior art.

Specifically, a transmission block 418 is arranged at the side of the supporting column 414, a guide pulley 419 is arranged at the top of one side of the lifting table 411, a take-up pulley 420 is arranged at the bottom of one side of the lifting table 411, a crank 421 is arranged on the take-up pulley 420, the transmission block 418 is connected with one end of a pull rope 423, and the other end of the pull rope 423 bypasses the guide pulley 419, extends to the take-up pulley 420 and is connected to the take-up pulley 420.

Further, the transmission block 418 comprises a connecting block 4181, a positioning block 4182, a pull rope fixing piece 4183, a positioning column 4184 and a pull head 4185; the connecting block 4181 is vertically connected to a side portion of the supporting post 414 and extends to an outer side of the main case 1, the connecting block 4181 has a cross-section of a right trapezoid, the positioning block 4182 is connected to an inclined surface region of the right trapezoid, the positioning block 4182 has a rectangular parallelepiped shape, the rope fixing member 4183 is disposed on a surface of one side above the positioning block 4182, one end of the rope 423 is connected to the rope fixing member 4183, the rope fixing member 4183 includes two side supporting pieces and a fixing post connected between the two side supporting pieces, and one end of the rope 423 is wound and fixed on the fixing post. An insertion hole is formed in an end portion of the positioning column 4184, the insertion hole penetrates through the positioning column 4184, the positioning column 4184 is inserted into the insertion hole, the length of the positioning column 4184 is larger than the thickness of the positioning block 4182, the slider 4185 is cylindrical, and the slider 4185 is arranged at an end portion of the positioning column 4184. One side of the lifting table 411 is sequentially provided with a positioning hole 422 along the lower part of the inclined plane part, and the diameter of the positioning hole 422 is matched with the diameter of the positioning column 4184.

As an alternative embodiment, a receiving groove 11 is provided at a side portion of the main box body 1, one end of the receiving groove 11 is connected to a side wall of the main box body 1, the receiving groove 11 is located below the weight bearing tray 4171, and the receiving groove 11 can prevent a weight dropped carelessly from damaging a tester or a floor. The upper surface of the main box body 1 is also provided with a weight containing groove 12, the weight containing groove 12 is arranged on one side of the lifting platform 411 and can be used for storing weights, and test personnel can take the weights conveniently.

The utility model discloses a four ball test machines's theory of use as follows: slider 413 is located the bottommost of slide rail 412 under which initial condition, and lever loading device box 415 is located the low level promptly, and the position that the weight bore dish 4171 is lower, if the tester wants to place the weight, needs to attach, bow and squat even can contact the weight and bore dish 4171. The utility model discloses in, the tester only needs to wave crank 421, drives slider 413 endwise slip through stay cord 423 for the position of lever loading device box 415 risees, and bears the weight and hold the dish 4171 and be convenient for the tester to stand when getting and putting the weight, can press into reference column 4184, makes it get into locating hole 422, thereby realizes the location to support column 414. After the weight is taken and placed, when the test device needs to be observed, the positioning column 4184 is pulled out only through the pull head 4185, the sliding block 413 can automatically slide to the bottommost part of the sliding rail 412 under the action of gravity, the lever loading device box 415 returns to the low position, and the experiment can be observed by a tester conveniently.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A four-ball testing machine, comprising: the device comprises a main box body (1), an auxiliary box body (2), a control device (3) and a test device (4);

the auxiliary box body (2) is arranged on one side of the top of the main box body (1), the control device (3) is arranged on the auxiliary box body (2), and the test device (4) is arranged on the other side of the top of the main box body (1);

the testing device (4) comprises a lever loading device (41), the lever loading device (41) comprises a lifting table (411), the lifting table (411) is arranged on the upper surface of the main box body (1), an inclined plane part is arranged on one side of the lifting table (411), a sliding rail (412) extending from bottom to top is arranged on the inclined plane part, a sliding block (413) is arranged in the sliding rail (412), the sliding block (413) is in sliding connection with the sliding rail (412), a vertically arranged supporting column (414) is connected to the upper surface of the sliding block (413), a lever loading device box body (415) is arranged at the top of the supporting column (414), a force application lever (416) extends out of one end of the lever loading device box body (415), a weight bearing rod (417) is suspended at the end part of the force application lever (416), and a weight bearing disc (4171) is arranged at the bottom of the weight bearing rod (417), the weight bearing rod (417) and the weight bearing disc (4171) are positioned at one side of the main box body (1);

the lateral part of support column (414) is provided with transmission piece (418), one side top of elevating platform (411) is provided with leading pulley (419), one side bottom of elevating platform (411) is provided with take-up pulley (420), be provided with crank (421) on take-up pulley (420), transmission piece (418) is connected with the one end of stay cord (423), the other end of stay cord (423) is followed walk around on leading pulley (419), to take-up pulley (420) extend and connect in on take-up pulley (420).

2. The four-ball testing machine according to claim 1, wherein the transmission block (418) comprises a connecting block (4181), a positioning block (4182), a pull rope fixing piece (4183), a positioning column (4184) and a pull head (4185); the connecting block (4181) is vertically connected with the side of the supporting column (414) and extends towards the outer side of the main box body (1), the section of the connecting block (4181) is in a right trapezoid shape, the positioning block (4182) is connected to the inclined surface area of the right trapezoid shape, the positioning block (4182) is in a cuboid shape, the pull rope fixing piece (4183) is arranged on the surface of one side above the positioning block (4182), one end of the pull rope (423) is connected with the pull rope fixing piece (4183), the end part of the positioning column (4184) is provided with an insertion hole, the jack penetrates through the positioning column (4184), the positioning column (4184) is inserted into the jack, the length of the positioning column (4184) is larger than the thickness of the positioning block (4182), the pull head (4185) is cylindrical, and the pull head (4185) is arranged at the end part of the positioning column (4184);

one side of the lifting table (411) is sequentially provided with a positioning hole (422) along the lower part of the inclined plane part, and the diameter of the positioning hole (422) is matched with that of the positioning column (4184).

3. A four-ball testing machine according to claim 1, characterized in that the side of the main box body (1) is provided with a receiving groove (11), one end of the receiving groove (11) is connected to the side wall of the main box body (1), and the receiving groove (11) is located below the weight bearing tray (4171).

4. The four-ball testing machine according to claim 1, wherein a weight containing groove (12) is further formed in the upper surface of the main box body (1), and the weight containing groove (12) is formed in one side of the lifting table (411).

5. A four-ball test machine according to claim 2, wherein said pull rope fixing member (4183) comprises two side supporting blocks and a fixing post connected between said two side supporting blocks, and one end of said pull rope (423) is wound around and fixed to said fixing post.

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