CN218180635U

CN218180635U - Elastic body material friction coefficient comparator

Info

Publication number: CN218180635U
Application number: CN202222236719.8U
Authority: CN
Inventors: 李梅红; 李景平; 骆建彬; 张安电
Original assignee: SHENZHEN DALONG TECHNOLOGY CO LTD
Current assignee: SHENZHEN DALONG TECHNOLOGY CO LTD
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-30
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses an elastomeric material friction coefficient of friction comparator, the mounting panel comprises a mounting plate, the notch has been seted up to the mounting panel right-hand member, the mounting panel upper end and the equal fixedly connected with fixed block in position around the notch, two all vertically run through and have a turning block, two on the fixed block the turning block directly is equipped with test loop bar, two it has the baffle all to fix the cup joint on the turning block, test loop bar outer peripheral face central point puts and has seted up two fillet of screw, two equal thread has cup jointed the lagging on the fillet of screw, fixed mounting has driving motor on the mounting panel. The utility model discloses can carry out the frictional force of two kinds of rubber sleeves or rubber core simultaneously and the coefficient of friction's comparative experiment, also can carry out the wearability and compare experimental, compare in elastomer material frictional force testing arrangement in the past more nimble and convenient, the practicality is higher.

Description

Elastic body material friction coefficient comparator

Technical Field

The utility model relates to an elastomeric material detects technical field, especially relates to an elastomeric material friction coefficient of friction comparator.

Background

In the production process of elastomer materials, such as rubber sleeves and rubber shaft cores, in order to ensure that the rubber sleeves and the rubber shaft cores have good wear resistance in mechanical devices, friction force and friction coefficient detection needs to be carried out on the rubber sleeves and the rubber shaft cores in the production process.

The friction coefficient detection device of the rubber sleeve in the prior art can only detect one material at a time, cannot directly perform comparison experiments, and cannot rapidly and visually obtain the comparison of the friction coefficients of two elastomer materials.

Therefore, we propose an elastomer friction coefficient comparator to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an elastomer friction coefficient comparator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an elastomeric material friction coefficient of friction comparator, includes the mounting panel, the notch has been seted up to the mounting panel right-hand member, the equal fixedly connected with fixed block in position around the notch, two all vertically run through and the rotation is connected with the turning block on the fixed block, two the turning block directly is equipped with the test loop bar, two all fixed cover has been cup jointed the baffle on the turning block, two thread rings have been seted up to test loop bar outer peripheral face central point, two equal screw thread has cup jointed the lagging on the thread ring, fixed mounting has driving motor on the mounting panel, the driving motor output is connected with the turning block rear end belt drive that is located the rear side, mounting panel upper end left side position fixedly connected with end plate, two pull meters of end plate right side fixedly connected with, the pull meter right-hand member is the pulling force detection end, the pulling force detection end has been articulated the friction band, the one end that the pull meter was kept away from in the friction band is walked around test loop bar upper end and is at notch department and is dropped down.

Preferably, the rear end of the test loop bar is coaxially and fixedly connected with a threaded head, a threaded groove is formed in the center of the front end of the rotating block located on the rear side, and the threaded head is in threaded connection with the threaded groove.

Preferably, the coaxial fixedly connected with rectangular rod of test loop bar front end is located there is the place ahead the rectangular channel has been seted up to turning block center axis position, the rectangular rod front end slides and inserts and establish in the rectangular channel, rectangular rod front end central point puts the fixedly connected with threaded rod, the threaded rod is gone up the screw thread and has been cup jointed the stop collar piece, stop collar piece rear end and the setting of the turning block contact that corresponds.

Preferably, the friction belt is provided with a hook weight at the lower end of the notch.

Preferably, the upper ends of the two fixing blocks are fixedly connected with a fixing plate together, a vertical rod penetrates through the fixing plate in a numerical mode, the lower end of the vertical rod is fixedly connected with a pressure plate corresponding to the friction belt and the test loop bar in position, and a threaded hole weight is sleeved on the upper end of the vertical rod in a threaded manner.

Preferably, a timer is fixedly connected to the right end of the end plate.

Compared with the prior art, the device has the advantages that:

1. this device carries out the frictional force of two kinds of rubber sleeves or rubber core simultaneously and coefficient of friction's comparative experiment, also can carry out the wearability and compare experimental, compares in elastomer material frictional force testing arrangement in the past more nimble and convenient, and the practicality is higher.

2. Through setting up the test loop bar, make it be connected with the turning block through the thread head, conveniently carry out dismouting and rubber sleeve or the work is established to the cover of gluing the core, and utilize the screw thread of lagging and test loop bar to link, conveniently cooperate the baffle to overlap and establish and carry out the centre gripping to the rubber sleeve or the gluey core that establish between the two, make its firm cover establish on the test loop bar, guarantee its stable and test loop bar coaxial rotation.

Drawings

Fig. 1 is a top perspective view of an elastomeric friction coefficient comparator according to the present invention;

fig. 2 is a schematic structural diagram of a side surface of the friction coefficient comparator for an elastomer material according to the present invention;

fig. 3 is a schematic view of a testing loop bar structure in the elastic material friction coefficient comparator provided by the present invention.

In the figure: the device comprises a mounting plate 1, a notch 2, a fixed block 3, a rotating block 4, a test sleeve rod 5, a thread head 6, a rectangular rod 7, a threaded rod 8, a limit sleeve block 9, a baffle 10, a sleeve plate 11, a driving motor 12, a tension meter 13, a friction belt 14, a hook weight 15, a pressure plate 16, a fixed plate 17, a threaded hole weight 18 and a timer 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an elastomer friction coefficient of friction comparator, including mounting panel 1, mounting panel 1 right-hand member has seted up notch 2, equal fixedly connected with fixed block 3 in notch 2 front and back position is all seted up to mounting panel 1 upper end, it is connected with turning block 4 all vertically to run through and rotate on two fixed blocks 3, two turning blocks 4 directly are equipped with test loop bar 5, test loop bar 5 rear end coaxial fixedly connected with thread head 6, turning block 4 front end central point that is located the rear side has seted up the thread groove, thread head 6 threaded connection is in the thread groove, test loop bar 5 front end coaxial fixedly connected with rectangular rod 7, the turning block 4 central axis position that is located the place ahead has seted up the rectangular groove, rectangular rod 7 front end sliding plug is established in the rectangular groove, rectangular rod 7 front end central point fixedly connected with threaded rod 8, the screw thread has cup jointed spacing loop block 9 on the threaded rod 8, spacing loop block 9 rear end sets up with corresponding turning block 4 contact, test loop bar 5 passes through thread head 6, the thread groove, threaded rod 8 and spacing sleeve 8 are coaxial fixed connection with two turning blocks 4. Through setting up the rectangular channel, can pass the rectangular channel with test loop bar 5 and carry out dismouting work.

All fixed baffle 10 that has cup jointed on two turning blocks 4, two thread rings have been seted up to 5 outer peripheral face central points of test loop bar, equal screw thread has cup jointed race 11 on two thread rings, it can make it move on test loop bar 5 to rotate race 11, then cover on baffle 10 establishes rubber sleeve or gluey core after, only need to rotate baffle 10 alright cooperation baffle 10 and carry out the centre gripping to rubber sleeve or gluey core, make its and the coaxial setting of test loop bar 5, convenient synchronous rotation with it, can overlap on test loop bar 5 and establish two rubber sleeves or gluey core, conveniently carry out comparison experiment.

The right end of the end plate is fixedly connected with a timer 19 for timing.

The mounting panel 1 is provided with a driving motor 12, the output end of the driving motor 12 is in transmission connection with the rear end of the turning block 4 positioned at the rear side, and the driving motor 12 can directly drive the turning block 4 to rotate, so that the test loop bar 5 rotates to drive the rubber sleeve or the rubber core sleeved on the surface of the rubber sleeve or the rubber core to rotate. The left side position fixedly connected with end plate of mounting panel 1 upper end, two tensile gauges 13 of end plate right side fixedly connected with, the tensile gauge 13 right-hand member is the tensile force detection end, and tensile gauge 13 is prior art, does not describe here. The tension detection end is connected with a friction belt 14 in a hanging mode, one end, far away from the tension meter 13, of the friction belt 14 bypasses the upper end of the test loop bar 5 and falls downwards in the notch 2, the lower end position, located in the notch 2, of the friction belt 14 is connected with a hook weight 15 in a hanging mode, the upper ends of the two fixing blocks 3 are fixedly connected with a fixing plate 17, a vertical rod penetrates through the fixing plate 17 in a numerical value mode, the lower end of the vertical rod is fixedly connected with a pressure plate 16 corresponding to the positions of the friction belt 14 and the test loop bar 5, and a threaded hole weight 18 is sleeved on the upper end of the vertical rod in a threaded mode. When the detection work is carried out, the friction belt 14 bypasses the rubber sleeve or the rubber core with detection and is in surface contact with the rubber sleeve or the rubber core, the friction belt 14 is in surface contact with the corresponding rubber sleeve or the rubber core under the downward acting force of the hook weight 15 and the pressure plate 16, then when the driving motor 12 drives the rubber sleeve or the rubber core to rotate clockwise, the friction force and the friction coefficient of the rubber sleeve or the rubber core can be obtained and calculated through the tension meter 13, when two rubber sleeves or rubber cores are sleeved, when the same experiment is carried out by using the two tension meters 13, the comparison experiment of the friction force and the friction coefficient of the two rubber sleeves or the rubber cores can be carried out under the action of the same torque, the same friction belt and the same tension and pressure in unit time, the abrasion resistance comparison experiment can also be carried out under the long-time test, the structure is simple, and the use is flexible and convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an elastomeric material coefficient of friction comparator, includes mounting panel (1), its characterized in that, notch (2) have been seted up to mounting panel (1) right-hand member, mounting panel (1) upper end and equal fixedly connected with fixed block (3) in notch (2) front and back position, two all vertically run through and the swivelling joint has turning block (4) on fixed block (3), two turning block (4) directly are equipped with test loop bar (5), two equal fixed baffle (10) of having cup jointed on turning block (4), two thread circles have been seted up to test loop bar (5) outer peripheral face central point, two equal screw thread has cup jointed apron (11) on the thread circle, fixed mounting panel (1) is gone up fixed mounting has driving motor (12), driving motor (12) output is connected with the turning block (4) rear end belt drive that is located the rear side, mounting panel (1) upper end position fixedly connected with end plate, two tension meters (13) of end plate right side fixedly connected with, tension meter (13) right side right-hand member is the pulling force detection end, the pulling force detection end has hung the area (14) the one end and has walked around the notch (2) and has been located the one end and the test loop bar (5) lower end.

2. The friction coefficient comparator for elastomer materials as claimed in claim 1, wherein a threaded head (6) is coaxially and fixedly connected to the rear end of the test loop bar (5), a threaded groove is formed in the center of the front end of the rotating block (4) located on the rear side, and the threaded head (6) is in threaded connection with the threaded groove.

3. The friction coefficient comparator for elastomer materials as claimed in claim 1, wherein the testing sleeve rod (5) has a rectangular rod (7) fixedly connected to the front end thereof coaxially, a rectangular groove is formed in the central axis position of the rotating block (4) located in front of the testing sleeve rod, the front end of the rectangular rod (7) is slidably inserted into the rectangular groove, a threaded rod (8) is fixedly connected to the central position of the front end of the rectangular rod (7), a limit sleeve block (9) is sleeved on the threaded rod (8), and the rear end of the limit sleeve block (9) is in contact with the corresponding rotating block (4).

4. The elastic material friction coefficient comparator according to claim 1, characterized in that the friction belt (14) is provided with a hook weight (15) at the lower end of the notch (2).

5. The friction coefficient comparator for elastomer materials as claimed in claim 1, wherein the two fixed blocks (3) are fixedly connected with a fixed plate (17) at the upper end together, a vertical rod penetrates through the fixed plate (17), a pressure plate (16) corresponding to the friction belt (14) and the test loop bar (5) is fixedly connected with the lower end of the vertical rod, and a threaded hole weight (18) is sleeved on the upper end of the vertical rod in a threaded manner.

6. An elastomeric material friction coefficient comparator according to claim 1, characterized in that a timer (19) is fixedly connected to the right end of the end plate.