CN214894780U

CN214894780U - Friction force testing device

Info

Publication number: CN214894780U
Application number: CN202121064623.7U
Authority: CN
Inventors: 于世园
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-11-26
Anticipated expiration: 2031-05-18

Abstract

The utility model belongs to the technical field of friction force testing, in particular to a friction force testing device, aiming at the problems that the prior friction force testing device has complex operation and is difficult to ensure that a stay wire is parallel to the friction force direction during measurement, and the data is not accurate enough, the utility model provides a proposal which comprises a bedplate, wherein the bottom of the bedplate is fixedly connected with a supporting leg, a plurality of positioning rods are fixedly connected with the bedplate, a plurality of auxiliary plates are sleeved on the positioning rods in a sliding way, a wire wheel is rotatably arranged on the auxiliary plates, the stay wire is wound on the wire wheel, a scale is fixedly arranged on the bedplate, the bottom of the auxiliary plate is provided with an adjusting mechanism, two chutes are arranged on the bedplate, a slide bar is arranged in the chutes in a sliding way, the top of the slide bar is fixedly connected with a clamping plate, the bottom of the slide bar is provided with a driving mechanism, the utility model discloses a vertical lead screw is matched with a vertical screw sleeve, the height of the auxiliary plate can be conveniently adjusted, so that the stay wire is kept parallel to the friction force direction.

Description

Friction force testing device

Technical Field

The utility model relates to a frictional force test technical field especially relates to a frictional force testing arrangement.

Background

The force resisting the relative movement of the objects is called friction force, and the direction of the friction force is opposite to the direction of the relative movement (or relative movement trend) of the objects. In the production and processing industries of rubber, plastic film, cardboard and other materials, the friction force of the materials is often required to be tested to detect whether the relevant standards are met.

The existing friction force testing device is complex in operation, and when the friction force testing device is used for measuring, the stay wire and the friction force are difficult to keep parallel, and data are not accurate enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current frictional force testing arrangement operation and being more complicated, and when measuring, be difficult to guarantee to act as go-between and frictional force direction keep parallel, the not accurate shortcoming of data, and the frictional force testing arrangement who provides.

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

the utility model provides a friction testing arrangement, comprising a table plate, the bottom fixedly connected with spike of platen, a plurality of locating levers of fixedly connected with on the platen, sliding sleeve is equipped with same accessory plate on a plurality of locating levers, it is provided with the line wheel to rotate on the accessory plate, the winding is provided with the acting as go-between on the line wheel, the fixed scale that is provided with on the platen, the bottom of accessory plate is provided with adjustment mechanism, two spouts have been seted up on the platen, it is provided with the slide bar to slide in the spout, the top fixedly connected with splint of slide bar, the bottom of slide bar is provided with actuating mechanism, adjustment mechanism includes vertical lead screw, vertical lead screw rotates the bottom of connecting at the accessory plate, the thread connection cover is equipped with vertical swivel nut on the vertical lead screw, vertical swivel nut fixed cover is established on the platen, the bottom fixedly connected with adjust knob of vertical lead screw.

Preferably, the driving mechanism comprises a transverse screw sleeve, the transverse screw sleeve is fixedly connected to the bottom end of the sliding rod, a transverse screw rod is connected to the transverse screw sleeve through an internal thread connecting sleeve, and the transverse screw rod is rotatably arranged in the bedplate.

Preferably, the ends, close to each other, of the two transverse screw rods are fixedly connected with first bevel gears, and the two first bevel gears are meshed with one another and provided with the same second bevel gear.

Preferably, one side of the second bevel gear is fixedly connected with a cross shaft, and one end of the cross shaft extends out of the bedplate and is fixedly connected with a driving knob.

Preferably, the test bottom plate is placed on the platen, the two clamping plates are matched with the test bottom plate, the test piece is placed on the test bottom plate, and one end of the pull wire is connected to the test piece.

Compared with the prior art, the utility model has the advantages of:

1. due to the fact that the adjusting mechanism is arranged, the height of the auxiliary plate can be conveniently adjusted through the fact that the vertical screw rod is matched with the vertical screw sleeve, and therefore the stay wire and the friction force direction are kept parallel.

2. This scheme is owing to set up actuating mechanism, can cooperate through horizontal lead screw and horizontal swivel nut, promotes the slide bar and slides for splint can carry out the centre gripping to the test bottom plate and fix.

Drawings

Fig. 1 is a schematic structural diagram of a side view section of a friction force testing device according to the present invention;

fig. 2 is a schematic structural diagram of a top view section of the friction force testing apparatus provided by the present invention;

fig. 3 is a schematic structural diagram of a portion a in fig. 1 of the friction force testing apparatus provided by the present invention.

In the figure: 1 bedplate, 2 supporting feet, 3 positioning rods, 4 auxiliary plates, 5 wire wheels, 6 pull wires, 7 sliding grooves, 8 sliding rods, 9 clamping plates, 10 vertical screw rods, 11 vertical screw sleeves, 12 adjusting knobs, 13 horizontal screw sleeves, 14 horizontal screw rods, 15 first bevel gears, 16 second bevel gears, 17 horizontal shafts, 18 driving knobs, 19 testing bottom plates and 20 testing pieces.

Detailed Description

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

Example one

Referring to fig. 1-3, a friction force testing device comprises a bedplate 1, a supporting leg 2 is fixedly connected to the bottom of the bedplate 1, a plurality of positioning rods 3 are fixedly connected to the bedplate 1, a same auxiliary plate 4 is slidably sleeved on the positioning rods 3, a wire wheel 5 is rotatably arranged on the auxiliary plate 4, a pull wire 6 is wound on the wire wheel 5, a scale is fixedly arranged on the bedplate 1, an adjusting mechanism is arranged at the bottom of the auxiliary plate 4, two sliding grooves 7 are formed in the bedplate 1, a sliding rod 8 is slidably arranged in the sliding grooves 7, a clamping plate 9 is fixedly connected to the top of the sliding rod 8, a driving mechanism is arranged at the bottom end of the sliding rod 8, the adjusting mechanism comprises a vertical lead screw 10, the vertical lead screw 10 is rotatably connected to the bottom of the auxiliary plate 4, a vertical screw sleeve 11 is arranged on the vertical lead screw 10 in a threaded connection manner, the vertical screw sleeve 11 is fixedly sleeved on the bedplate 1, and an adjusting knob 12 is fixedly connected to the bottom end of the vertical lead screw 10, by providing the adjusting knob 12, the vertical screw 10 can be rotated.

In this embodiment, the driving mechanism includes a transverse screw sleeve 13, the transverse screw sleeve 13 is fixedly connected to the bottom end of the slide bar 8, a transverse screw rod 14 is connected and sleeved in the transverse screw sleeve 13 in a threaded manner, the transverse screw rod 14 is rotatably arranged in the bedplate 1, and the slide bar 8 can be pushed to slide by the cooperation of the transverse screw rod 14 and the transverse screw sleeve 13.

In this embodiment, the two ends of the transverse screw rods 14 close to each other are fixedly connected with first bevel gears 15, the two first bevel gears 15 are engaged with each other to form a second bevel gear 16, and the first bevel gears 15 can be rotated by the second bevel gears 16.

In this embodiment, a lateral shaft 17 is fixedly connected to one side of the second bevel gear 16, one end of the lateral shaft 17 extends to the outside of the bedplate 1 and is fixedly connected with a driving knob 18, and the lateral shaft 17 can be rotated by providing the driving knob 18.

In this embodiment, place test bottom plate 19 on platen 1, two splint 9 all cooperate with test bottom plate 19, have placed test piece 20 on test bottom plate 19, and the one end of acting as go-between 6 is connected on test piece 20, through acting as go-between 6, can stimulate test piece 20 and slide on test bottom plate 19.

Example two

Referring to fig. 1-3, a friction force testing device comprises a bedplate 1, wherein a supporting leg 2 is fixedly welded at the bottom of the bedplate 1, a plurality of positioning rods 3 are fixedly welded on the bedplate 1, a same auxiliary plate 4 is slidably sleeved on the positioning rods 3, a wire wheel 5 is rotatably arranged on the auxiliary plate 4, a pull wire 6 is wound on the wire wheel 5, a scale is fixedly arranged on the bedplate 1, an adjusting mechanism is arranged at the bottom of the auxiliary plate 4, two sliding grooves 7 are formed in the bedplate 1, a sliding rod 8 is slidably arranged in the sliding grooves 7, a clamping plate 9 is fixedly welded at the top of the sliding rod 8, a driving mechanism is arranged at the bottom end of the sliding rod 8, the adjusting mechanism comprises a vertical lead screw 10, the vertical lead screw 10 is rotatably connected at the bottom of the auxiliary plate 4, a vertical screw sleeve 11 is threadedly connected on the vertical lead screw 10, the vertical screw sleeve 11 is fixedly sleeved on the bedplate 1, and an adjusting knob 12 is fixedly welded at the bottom end of the vertical lead screw 10, by providing the adjusting knob 12, the vertical screw 10 can be rotated.

In this embodiment, the driving mechanism includes a transverse screw sleeve 13, the transverse screw sleeve 13 is fixedly welded at the bottom end of the slide bar 8, a transverse screw rod 14 is connected and sleeved in the transverse screw sleeve 13 in a threaded manner, the transverse screw rod 14 is rotatably arranged in the bedplate 1, and the slide bar 8 can be pushed to slide by the cooperation of the transverse screw rod 14 and the transverse screw sleeve 13.

In this embodiment, the first bevel gears 15 are fixedly welded to the ends, close to each other, of the two transverse screw rods 14, the same second bevel gear 16 is arranged on the two first bevel gears 15 in a meshed manner, and the first bevel gears 15 can be rotated by arranging the second bevel gears 16.

In this embodiment, a lateral shaft 17 is fixedly welded to one side of the second bevel gear 16, one end of the lateral shaft 17 extends to the outside of the bedplate 1 and is fixedly welded with a driving knob 18, and the lateral shaft 17 can be rotated by arranging the driving knob 18.

In this embodiment, when performing the friction force test, the selected test base plate 19 is first placed on the platen 1, the transverse shaft 17 is then rotated by the drive knob 18, through the second bevel gear 16 on the transverse shaft 17, two first bevel gears 15 and a transverse screw rod 14 can synchronously and reversely rotate, the transverse screw rod 14 is matched with a transverse threaded sleeve 13, the slide bar 8 and the clamping plate 9 can be pushed to slide, thereby being convenient to clamp and fix the test bottom plate 19, then one end of the pull wire 6 is bolted on the test piece 20, the vertical screw rod 10 is rotated through the adjusting knob 12, the vertical screw rod 10 is matched with the vertical thread sleeve 11, the position of the auxiliary plate 4 can be conveniently adjusted, the stay wire 6 is conveniently kept parallel to the friction direction, the friction between the test piece 20 and the test base plate 19 can then be tested by pulling it on the other end of the pull wire 6 via a force gauge connection.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A friction force testing device comprises a bedplate (1) and is characterized in that a supporting leg (2) is fixedly connected to the bottom of the bedplate (1), a plurality of positioning rods (3) are fixedly connected to the bedplate (1), a same auxiliary plate (4) is slidably sleeved on the positioning rods (3), a wire wheel (5) is rotatably arranged on the auxiliary plate (4), a pull wire (6) is wound on the wire wheel (5), a scale is fixedly arranged on the bedplate (1), an adjusting mechanism is arranged at the bottom of the auxiliary plate (4), two sliding grooves (7) are formed in the bedplate (1), a sliding rod (8) is slidably arranged in each sliding groove (7), a clamping plate (9) is fixedly connected to the top of each sliding rod (8), a driving mechanism is arranged at the bottom end of each sliding rod (8), each adjusting mechanism comprises a vertical lead screw (10), and each vertical lead screw (10) is rotatably connected to the bottom of the auxiliary plate (4), the vertical screw rod (10) is sleeved with a vertical threaded sleeve (11) in a threaded connection mode, the vertical threaded sleeve (11) is fixedly sleeved on the bedplate (1), and the bottom end of the vertical screw rod (10) is fixedly connected with an adjusting knob (12).

2. A friction force testing device according to claim 1, wherein the driving mechanism comprises a transverse screw sleeve (13), the transverse screw sleeve (13) is fixedly connected to the bottom end of the sliding rod (8), a transverse screw rod (14) is arranged in the transverse screw sleeve (13) in a connecting sleeve manner, and the transverse screw rod (14) is rotatably arranged in the bedplate (1).

3. A friction force testing device according to claim 2, characterized in that the ends of the two transverse screws (14) close to each other are fixedly connected with first bevel gears (15), and the two first bevel gears (15) are engaged with the same second bevel gear (16).

4. A friction force testing device according to claim 3, characterized in that a cross shaft (17) is fixedly connected to one side of said second bevel gear (16), and one end of said cross shaft (17) extends to the outside of said bedplate (1) and is fixedly connected with a driving knob (18).

5. A friction testing device according to claim 1, characterized in that a testing base plate (19) is placed on the bedplate (1), both clamping plates (9) are matched with the testing base plate (19), a testing piece (20) is placed on the testing base plate (19), and one end of the pull wire (6) is connected to the testing piece (20).