CN219161941U

CN219161941U - Sea ice friction testing device

Info

Publication number: CN219161941U
Application number: CN202223551894.2U
Authority: CN
Inventors: 张坤
Original assignee: Jiangsu Ligao Detection Equipment Co ltd
Current assignee: Jiangsu Ligao Detection Equipment Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-09
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to a sea ice friction testing device, and belongs to the technical field of testing devices. The sea ice friction testing device comprises a testing box, a motor is arranged on the testing box, a first screw rod is connected with an output shaft of the motor, two first linear guide rails are arranged on two sides of the first screw rod, two sliding blocks are connected onto the two first linear guide rails in a sliding mode, a sliding plate is arranged on the two sliding blocks, and the sliding plate is further connected with the first screw rod; the test box is characterized in that the test box is further provided with a test board, two second linear guide rails are arranged on two sides of the test board, a fixing device is connected to the second linear guide rails in a sliding mode, a force sensor is arranged on the fixing device, a push rod is arranged on the force sensor, and one end, away from the force sensor, of the push rod is arranged on the sliding plate. The utility model has simple working procedure, can be operated by a single person, has high equipment speed, good test effect and longer service life.

Description

Sea ice friction testing device

Technical Field

The utility model relates to a sea ice friction testing device, and belongs to the technical field of testing devices.

Background

At present, sea ice has serious threat to navigation, so that an icebreaker is required to break the surface of an ice layer, the friction coefficient of the surface of the sea ice is required to be tested, the conventional sea ice friction testing device has poor testing effect and short service life.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a sea ice friction testing device which is used for solving the technical problems of poor testing effect and short service life in the related art.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

the utility model provides a sea ice friction testing device, which comprises a testing box, wherein a motor is arranged on the testing box, a first screw rod is connected with an output shaft of the motor, two first linear guide rails are arranged on two sides of the first screw rod, two sliding blocks are connected onto the two first linear guide rails in a sliding manner, a sliding plate is arranged on the two sliding blocks, and the sliding plate is also connected with the first screw rod;

the test box is characterized in that the test box is further provided with a test board, two second linear guide rails are arranged on two sides of the test board, a fixing device is connected to the second linear guide rails in a sliding mode, a force sensor is arranged on the fixing device, a push rod is arranged on the force sensor, and one end, away from the force sensor, of the push rod is arranged on the sliding plate.

Further, fixing device includes two first mounting panels and two second mounting panels, two install the front bezel between the first mounting panel, two install the back plate between the second mounting panel, the place ahead of front bezel still is provided with installs two positive and negative first lead screw between the first mounting panel, positive and negative first lead screw one end runs through first mounting panel and installs first hand wheel, install left board and right board on the positive and negative first lead screw respectively, the front bezel with all offer the confession on the back plate the left board with the groove that the right board runs through.

Further, the two second linear guide rails are both connected with a first sliding block and a second sliding block in a sliding mode, two first mounting plates are mounted on the two first sliding blocks, and two second mounting plates are mounted on the two second sliding blocks.

Further, a vertical plate is arranged on one side of the test box, an upper plate and a lower plate are arranged at two ends of the vertical plate, a second screw rod is arranged between the upper plate and the lower plate, and one end of the second screw rod penetrates through the lower plate and is provided with a second hand wheel;

the second lead screw is provided with a sliding block, the sliding block is provided with a tension machine installation frame, the top of the tension machine installation frame is provided with a fixed pulley, and one end of the tension machine installation frame, which is far away from the sliding block, is provided with a tension machine.

Further, a first photoelectric switch and a second photoelectric switch are arranged on the test box.

Further, a circle of water retaining rubber is arranged on the test box.

Further, a motor cover is externally mounted to the motor.

Further, two the first linear slide rail externally mounted has a dust cover, the dust cover top is installed dustproof strip.

Further, a plurality of box doors are arranged on the test box.

Further, a plurality of bless Ma Lun are installed to the test box bottom.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the motor drives the sliding plate to move along the first linear guide rail, the sliding plate drives the fixing device to move along the second linear guide rail through the push rod, the fixing device pushes the sea ice to do uniform linear motion on the test plate, and the friction force of the sea ice is recorded in the test process through the force sensor.

Drawings

FIG. 1 is a schematic diagram of an ice friction testing device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an ice friction testing device according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an ice friction testing device according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of an ice friction testing device according to an embodiment of the present utility model;

FIG. 5 is a schematic structural diagram of a tensile machine according to an embodiment of the present utility model;

FIG. 6 is a schematic structural view of a fixing device according to an embodiment of the present utility model;

in the figure: 1: a test box; 2: a motor; 3: a first screw rod; 4: a first linear guide rail; 5: a first slider; 6: a slide plate; 7: a test board; 8: a second linear guide rail; 9: a force sensor; 10: a push rod; 11: a first mounting plate; 12: a second mounting plate; 13: a front plate; 14: a rear plate; 15: a positive and negative screw rod; 16: a first hand wheel; 17: a left plate; 18: a right plate; 19: a second slider; 20: a third slider; 21: a riser; 22: an upper plate; 23: a lower plate; 24: a second screw rod; 25: the second hand wheel; 26: a fourth slider; 27: the tension machine mounting frame; 28: a fixed pulley; 29: a pulling machine; 30: a first photoelectric switch; 31: a second photoelectric switch; 32: water retaining rubber; 33: a motor cover; 34: a dust cover; 35: a dust-proof strip; 36: a door; 37: a fuma wheel; 38: a first fixed block; 39: a second fixed block; 40: and a fixing rod.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1 to 6, this embodiment provides a sea ice friction testing device, including test box 1, install motor 2 on the test box 1, motor 2's output shaft has first lead screw 3, two first linear guide 4 are installed to first lead screw 3 both sides, two sliding connection has two first sliders 5 on the first linear guide 4, two install a slide 6 on the first slider 5, slide 6 still with first lead screw 3 connects.

Specifically, the motor 2 may drive the first screw rod 3 to rotate, and the first screw rod 3 may drive the sliding plate 6 to slide along the two first linear guide rails 4.

In this embodiment, the test board 7 is further mounted on the test box 1, two second linear guide rails 8 are mounted on two sides of the test board 7, and fixing devices are slidably connected to the two second linear guide rails 8.

Specifically, the fixing device comprises two first mounting plates 11 and two second mounting plates 12, a front plate 13 is arranged between the first mounting plates 11, a rear plate 14 is arranged between the second mounting plates 12, a front screw rod 15 is arranged in front of the front plate 13 and arranged between the first mounting plates 11, one end of the front screw rod 15 penetrates through the first mounting plates 11 and is provided with a first hand wheel 16, a left plate 17 and a right plate 18 are respectively arranged on the front screw rod 15, grooves for the left plate 17 and the right plate 18 to penetrate are respectively formed in the front plate 13 and the rear plate 14, a first fixing block 38 is arranged on the first mounting plates 11, a second fixing block 39 is arranged on the second mounting plates 12, and a fixing rod 40 is arranged on the first fixing block 38, penetrates through the second fixing block 39 and is fixedly connected with the second fixing block 39.

The fixing device can fix sea ice with different sizes so as to ensure that the sea ice cannot slide to influence the test result.

Specifically, the first hand wheel 16 is rotated to control the left plate 17 and the right plate 18 to approach or separate, and the lengths of the grooves formed in the front plate 13 and the rear plate 14 by moving the two first mounting plates 11 or the two second mounting plates 12 can be adjusted by extending the left plate 17 and the right plate 18 into the grooves formed in the front plate 13 and the rear plate 14, and after the adjustment, the fixing rod 40 is fixed on the second fixing block 39.

In this embodiment, the second linear guide rails 8 are both slidably connected with a second slider 19 and a third slider 20, two first mounting plates 11 are mounted on the second slider 19, and two second mounting plates 12 are mounted on the third slider 20.

In this embodiment, the force sensor 9 is mounted on the fixing device, the push rod 10 is mounted on the force sensor 9, and one end of the push rod 10 away from the force sensor 9 is mounted on the sliding plate 6.

In particular, the force sensor 9 is hard-connected, so that the measurement data does not generate large fluctuation due to acceleration or deceleration, and the test result is not affected.

In this embodiment, a riser 21 is installed on one side of the test box 1, an upper plate 22 and a lower plate 23 are installed at two ends of the riser 21, a second screw 24 is installed between the upper plate 22 and the lower plate 23, and one end of the second screw 24 penetrates through the lower plate 23 and is provided with a second hand wheel 25.

The second screw rod 24 is provided with a fourth sliding block 26, the fourth sliding block 26 is provided with a tension machine installation frame 27, the top of the tension machine installation frame 27 is provided with a fixed pulley 28, and one end of the tension machine installation frame 27, which is far away from the first sliding block 5, is provided with a tension machine 29.

Specifically, the tension machine 29 is used for calibrating the force sensor 9, before the test starts, an experimenter connects one end of the rope wound on the fixed pulley 28 with the tension machine 29, and the other end of the rope is connected with the force sensor 9, the rope is taken down without error in calibration, and the tension machine 29 can prevent the force sensor 9 from being damaged to cause errors in the test result.

In this embodiment, the test box 1 is mounted with a first photoelectric switch 30 and a second photoelectric switch 31.

Specifically, the first photoelectric switch 30 and the second photoelectric switch 31 are respectively configured to detect a maximum position and a minimum position of the push rod 10 from the end.

In this embodiment, a circle of water blocking rubber 32 is disposed on the test box 1.

Specifically, the salinity in the air increases during sea ice testing, and the equipment needs to use salt-resistant and water-resistant materials, so that the equipment is provided with water-retaining rubber for preventing seawater from being damaged, and the service life can be prolonged.

In this embodiment, the motor 2 is externally provided with a motor cover 33, two first linear guide rails 4 are externally provided with a dust cover 34, and the top of the dust cover 34 is provided with a dust strip 35.

Specifically, the motor cover 33 and the dust cover 34 are used to prevent the equipment from being aged and damaged.

In this embodiment, a plurality of doors 36 are mounted on the test box 1.

In this embodiment, a plurality of fuma wheels 37 are mounted at the bottom of the test box 1.

Specifically, the test box 1 is long enough to ensure that the ice sample can collect enough data in the time of uniform linear motion.

The working principle of this embodiment is as follows:

before the test starts, one end of the rope wound on the fixed pulley 28 is connected with the tension machine 29, the other end of the rope is connected with the force sensor 9, the rope is taken down after calibration, sea ice is placed on the test board 7, the sea ice is fixed by the front board, the rear board and the left board and the right board, and the test starts after the sea ice is fixed.

Starting the motor 2, driving the motor 2 to rotate the first screw rod 3, driving the sliding plate 6 to slide along the two first linear guide rails 4 by the first screw rod 3, driving the force sensor 9 to move forwards by the sliding plate 6 through the push rod 10, driving the fixing device to slide along the two second linear guide rails 8 by the force sensor 9, driving the sea ice to do uniform linear motion on the test board 1 by the fixing device, and testing the stress condition of the sea ice in the uniform linear motion by the force sensor 9.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The sea ice friction testing device is characterized by comprising a testing box (1), wherein a motor (2) is installed on the testing box (1), a first screw rod (3) is connected to an output shaft of the motor (2), two first linear guide rails (4) are installed on two sides of the first screw rod (3), two first sliding blocks (5) are connected to the two first linear guide rails (4) in a sliding mode, a sliding plate (6) is installed on the two first sliding blocks (5), and the sliding plate (6) is further connected with the first screw rod (3);

the testing box is characterized in that the testing box is further provided with a testing board (7), two second linear guide rails (8) are arranged on two sides of the testing board (7), the second linear guide rails (8) are connected with a fixing device in a sliding mode, a force sensor (9) is arranged on the fixing device, a push rod (10) is arranged on the force sensor (9), and one end, away from the force sensor (9), of the push rod (10) is arranged on the sliding plate (6).

2. Sea ice friction testing device according to claim 1, characterized in that the fixing device comprises two first mounting plates (11) and two second mounting plates (12), a front plate (13) is arranged between the two first mounting plates (11), a rear plate (14) is arranged between the two second mounting plates (12), a forward and backward screw rod (15) is arranged in front of the front plate (13) and between the two first mounting plates (11), one end of the forward and backward screw rod (15) penetrates through the first mounting plates (11) and is provided with a first hand wheel (16), a left plate (17) and a right plate (18) are respectively arranged on the forward and backward screw rod (15), grooves for the left plate (17) and the right plate (18) to penetrate through are respectively arranged on the front plate (13) and the rear plate (14), a first fixing block (38) is arranged on the first mounting plate (11), a second fixing block (39) is arranged on the second mounting plate (12), and the first fixing block (38) is connected with the second fixing block (40) in a penetrating way.

3. Sea ice friction testing device according to claim 2, characterized in that the two second linear guide rails (8) are both connected with a second slider (19) and a third slider (20) in a sliding manner, the two second sliders (19) are provided with two first mounting plates (11), and the two third sliders (20) are provided with two second mounting plates (12).

4. Sea ice friction testing device according to claim 1, characterized in that a riser (21) is mounted on one side of the testing box (1), an upper plate (22) and a lower plate (23) are mounted on two ends of the riser (21), a second screw rod (24) is mounted between the upper plate (22) and the lower plate (23), and one end of the second screw rod (24) penetrates through the lower plate (23) and is provided with a second hand wheel (25);

install fourth slider (26) on second lead screw (24), install pulling force machine mounting bracket (27) on fourth slider (26), fixed pulley (28) are installed at pulling force machine mounting bracket (27) top, pulling force machine (29) are installed to pulling force machine mounting bracket (27) one end of keeping away from first slider (5).

5. Sea ice friction testing device according to claim 1, characterized in that the testing box (1) is mounted with a first (30) and a second (31) opto-electronic switch.

6. Sea ice friction testing device according to claim 1, characterized in that the testing box (1) is provided with a ring of water retaining rubber (32).

7. Sea ice friction testing device according to claim 1, characterized in that the motor (2) is externally mounted with a motor cover (33).

8. Sea ice friction testing device according to claim 1, characterized in that a dust cover (34) is mounted outside the two first linear guide rails (4), and a dust strip (35) is mounted on top of the dust cover (34).

9. Sea ice friction testing device according to claim 1, characterized in that the testing box (1) is provided with a plurality of box doors (36).

10. Sea ice friction testing device according to claim 1, characterized in that the bottom of the testing box (1) is provided with a plurality of fuma wheels (37).