Air circulation temperature control type roller stability tester with protection structure

Abstract

The utility model relates to the technical field of lubricating grease stability determination, in particular to an air circulation temperature control type roller stability determinator with a protection structure, which comprises an electric control instrument box, an operation platform, a driving rubber wheel, a roller main body, a hatchback type box cover, an opening and closing assembly, a fan heater and a digital display temperature controller, an operation platform is arranged on the top of the electric control instrument box, a driving rubber wheel is arranged above the operation platform, a roller body is arranged on one side of the driving rubber wheel, a hatchback type box cover is arranged on the top of the electric control instrument box, an opening and closing assembly is arranged on one side of the hatchback type box cover, a fan heater is arranged on the inner side of the hatchback type box cover, and a digital display temperature control instrument is arranged on the inner side of the electric control instrument box. By means of overtemperature protection and physical protection, heating operation is effectively carried out, air bath in the test box is circulated, the temperature in the box is guaranteed to be uniform, meanwhile, a safety protection switch is arranged, when the upper cover is opened, a power source of a heating and motor is forcibly closed, and therefore the safety of operators is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lubricating grease stability determination, especially to an air circulation temperature control type roller stability determination instrument with a protection structure. BACKGROUND

[0002] The lubricating grease roller stability determination instrument can determine the mechanical stability of lubricating grease, is suitable for determining the consistency change of lubricating grease after working on a roller testing machine, and is used for judging the mechanical shear stability of lubricating grease to obtain a lubricating grease product with better performance.

[0003] Most of the existing lubricating grease roller stability determination instruments adopt the heating mode of installing finned electric heating pipes, and when high-temperature tests are carried out, temperature gradients are easily generated in the box, the heat exchange is not good, the temperature difference is large, the surface temperature of the electric heating pipe is high, in addition, if the idler pulley and the driven pulley are not adjusted or replaced in time, the roller may jump or be thrown out of the instrument, the instrument does not have an isolation function, if the operator touches the finned electric heating pipe or the roller rotating position deviates, the operator may be injured, and the operation safety is low.

[0004] Therefore, in view of the poor heat exchange, large temperature difference, and low use safety of the existing lubricating grease roller stability determination instrument, an air circulation temperature control type roller stability determination instrument with a protection structure is designed, which effectively performs heating operation through over-temperature protection and physical protection, circulates the air bath in the test box to ensure uniform temperature in the box, and is equipped with a safety protection switch, which forcibly turns off the power supply of the heating and motor when the upper cover is opened, thereby effectively ensuring the safety of the operator. CONTENT OF THE UTILITY MODEL

[0005] In order to overcome the problems of poor heat exchange, large temperature difference in the test box, and no protection structure of most lubricating grease roller stability determination instruments, if the operator touches the finned electric heating pipe or the roller rotating position deviates, the operator may be injured, the utility model is provided.

[0006] The utility model discloses a technical scheme for an air circulation temperature control type drum stability tester with a protection structure, which comprises an electric control instrument box, an operation platform, a power switch, a driving rubber wheel, a drum main body, a rotating assembly, an idler wheel, a rotating speed assembly, a starting switch, a hatchback type box cover, an opening and closing assembly, a safety protection switch, a fan heater, a digital display temperature controller main body, a temperature control switch, a temperature sensor main body and an electronic timer.

[0007] Preferably, the drum main body is placed inside a test cylinder containing a lubricating grease sample, the driving rubber wheel is used to limit the placement position of the drum main body, the hatchback type box cover is flexibly opened and closed by the opening and closing assembly, the operation platform is enclosed and protected inside by the hatchback type box cover, when the hatchback type box cover is opened, the safety protection switch is forcibly started, the power supply of the heater and the motor is closed by the safety protection switch, the power supply of the electric control instrument box is flexibly opened and closed by the power switch, the rotating assembly is flexibly controlled by the starting switch, the rotating speed of the rotating assembly is controlled by the rotating speed assembly, the driving rubber wheel is rotated by the rotating assembly, the drum main body is rotated at a certain rotating speed by the driving rubber wheel, the idler wheel is synchronously rotated by the drum main body, the rotating speed of the tester is calibrated by the idler wheel, the fan heater is flexibly opened and closed by the temperature control switch, the test box is heated by the fan heater, the air bath in the test box is circulated at the same time, the temperature sensor main body is used to monitor the ambient temperature in the test box in real time, the highest temperature in the test box is set by the digital display temperature controller main body, the temperature change in the test box is displayed in real time at the same time, in addition, the test time is set by the electronic timer, so that the heating operation is effectively performed, the air bath in the test box is circulated at the same time, the temperature in the test box is uniform, and the safety protection switch is provided at the same time, the power supply of the heater and the motor is forcibly closed when the upper cover is opened, the safety of the operator is effectively ensured.

[0008] As preferred, the rotating assembly comprises a fixed plate, a rotating motor, a driving rotating shaft and a driving pulley, the inner side of the electric control instrument box is provided with the fixed plate, one side of the fixed plate is provided with the rotating motor, the other side of the fixed plate is provided with the driving rotating shaft, the driving rotating shaft is rotatably connected with the fixed plate, the output end of the rotating motor is connected with the driving rotating shaft, and the outer side of the driving rotating shaft is provided with the driving pulley.

[0009] As preferred, the rotating assembly further comprises a through slot, a driven pulley, a belt body, a driven rotating shaft and a first supporting plate, the one side of the operation platform is provided with the through slot, the outer side of the driving pulley is provided with the belt body, the belt body is arranged on the inner side of the through slot, the other end of the belt body is provided with the driven pulley, one end of the driven pulley is provided with the driven rotating shaft, the outer side of the driven rotating shaft is provided with the first supporting plate, the first supporting plate is provided with a plurality of groups, one side of the first supporting plate is fixedly connected with the upper surface of the operation platform, the first supporting plate is rotatably connected with the driven rotating shaft, and the driving rubber wheel is arranged on the outer side of the driven rotating shaft.

[0010] As preferred, the rotating speed assembly comprises a second supporting plate, the outer side of the idle pulley is provided with the second supporting plate, the second supporting plate is provided with a plurality of groups, and one side of the second supporting plate is fixedly connected with the upper surface of the operation platform.

[0011] As preferred, the rotating speed assembly comprises a first supporting rod and a rotating speed controller, the inner side of the second supporting plate is provided with the first supporting rod, the idle pulley is arranged on the outer side of the first supporting rod, the idle pulley is rotatably connected with the first supporting rod, and the inner side of the electric control instrument box is provided with the rotating speed controller.

[0012] As preferred, the opening and closing assembly comprises a box cover handle and a hinge, one side of the back-hinged box cover is provided with the box cover handle, one side of the electric control instrument box is provided with the hinge, the hinge is symmetrically provided with two groups, and one side of the back-hinged box cover is rotatably connected with the hinge.

[0013] As preferred, the opening and closing assembly further comprises a box cover supporting rod and a tempered glass observation window, one side of the back-hinged box cover is provided with the box cover supporting rod, the box cover supporting rod is symmetrically provided with two groups, and one side of the back-hinged box cover is provided with the tempered glass observation window.

[0014] The utility model discloses the beneficial effect that:

[0015] When the test is carried out, the test cylinder with the lubricating grease sample is placed in the roller main body, the active rubber wheel is used to limit the placement position of the roller main body, the back-hinged box cover is flexibly opened and closed, the operation platform is closed and protected in the back-hinged box cover, when the back-hinged box cover is opened, the safety protection switch is forced to start, the safety protection switch is forced to close the power supply of the heating and motor, the power supply of the electric control instrument box is flexibly opened and closed by pressing the power switch, the active rubber wheel is flexibly controlled by pressing the starting switch, the roller main body is rotated at a certain speed by rotating the active rubber wheel, the idle wheel is synchronously rotated, the speed of the test instrument is calibrated by rotating the idle wheel, the fan heater is flexibly opened and closed by pressing the temperature control switch, the test box is heated by starting the fan heater, and the air in the box is circulated at the same time, the temperature sensor main body is used to monitor the environment temperature in the box in real time, the highest temperature in the box is set by the digital display temperature controller main body, at the same time, the temperature change in the box is displayed in real time, in addition, the electronic timer is used to set the required time of the test, so that the temperature gradient is generated in the box during the high-temperature test of most lubricating grease roller stability testers, the heat exchange is not good, the temperature difference is large, and the roller may jump or be thrown out of the instrument, and since the instrument does not have isolation, if the operation is not careful, the operator may be injured, and the safety of the operator is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the air circulation temperature control type roller stability tester with the protection structure is shown.

[0017] Figure 2 A three-dimensional structure schematic view of the rotating assembly of the air circulation temperature control type roller stability tester with the protection structure is shown.

[0018] Figure 3 A three-dimensional structure schematic view of the electric control instrument box of the air circulation temperature control type roller stability tester with the protection structure is shown.

[0019] Figure 4 A three-dimensional structure schematic view of the back-hinged box cover of the air circulation temperature control type roller stability tester with the protection structure is shown.

[0020] Explanation of reference signs: 1, electric control instrument box; 2, operation platform; 201, power switch; 202, starting switch; 3, driving rubber wheel; 4, roller main body; 401, fixed plate; 402, rotating motor; 403, driving shaft; 404, driving belt pulley; 405, through slot; 406, driven belt pulley; 407, belt main body; 408, driven shaft; 409, first support plate; 5, idler wheel; 501, second support plate; 502, first support rod; 503, rotating speed controller; 6, hatchback cover; 601, cover handle; 602, hinge; 603, cover support rod; 604, toughened glass observation window; 7, safety protection switch; 8, fan heater; 801, digital display temperature controller main body; 802, temperature control switch; 803, temperature sensor main body; 9, electronic timer. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment: air circulation temperature control type roller stability tester with protection structure, including electric control instrument box 1, operation platform 2, power switch 201, driving rubber wheel 3, roller main body 4, rotating assembly, idler wheel 5, rotating speed component, starting switch 202, hatchback cover 6, open and close component, safety protection switch 7, fan heater 8, digital display temperature controller main body 801, temperature control switch 802, temperature sensor main body 803 and electronic timer 9, the top of electric control instrument box 1 is provided with operation platform 2, one side of electric control instrument box 1 is provided with power switch 201, one side of power switch 201 is provided with starting switch 202, the top of operation platform 2 is provided with driving rubber wheel 3, driving rubber wheel 3 is provided with multiple groups symmetrically, one side of driving rubber wheel 3 is provided with roller main body 4, one side of driving rubber wheel 3 is provided with rotating assembly, the other side of roller main body 4 is provided with idler wheel 5, idler wheel 5 is provided with multiple groups symmetrically, one side of idler wheel 5 is provided with rotating speed component, the top of electric control instrument box 1 is provided with hatchback cover 6, one side of hatchback cover 6 is provided with open and close component, one side of operation platform 2 is provided with safety protection switch 7, safety protection switch 7 is arranged in one corner of operation platform 2, the inner side of hatchback cover 6 is provided with fan heater 8, the inner side of electric control instrument box 1 is provided with digital display temperature controller main body 801, wherein the model of digital display temperature controller main body 801 is PID intelligent digital display temperature controller, one side of digital display temperature controller main body 801 is provided with temperature control switch 802, one side of operation platform 2 is provided with temperature sensor main body 803, wherein the model of temperature sensor main body 803 is Pt100 platinum resistance temperature sensor, one side of starting switch 202 is provided with electronic timer 9.

[0023] Please refer to Figure 2In the embodiment, the rotating assembly comprises a fixed plate 401, a rotating motor 402, a driving rotating shaft 403, a driving belt pulley 404, a through slot 405, a driven belt pulley 406, a belt body 407, a driven rotating shaft 408 and a first supporting plate 409. The inner side of the electric control instrument box 1 is provided with the fixed plate 401. One side of the fixed plate 401 is provided with the rotating motor 402. The other side of the fixed plate 401 is provided with the driving rotating shaft 403. The driving rotating shaft 403 is rotatably connected with the fixed plate 401. The output end of the rotating motor 402 is connected with the driving rotating shaft 403. The outer side of the driving rotating shaft 403 is provided with the driving belt pulley 404. One side of the operation platform 2 is provided with the through slot 405. The outer side of the driving belt pulley 404 is provided with the belt body 407. The belt body 407 is arranged on the inner side of the through slot 405. The other end of the belt body 407 is provided with the driven belt pulley 406 on the inner side. One end of the driven belt pulley 406 is provided with the driven rotating shaft 408. The outer side of the driven rotating shaft 408 is provided with the first supporting plate 409. The first supporting plate 409 is arranged in multiple groups. One side of the first supporting plate 409 is fixedly connected with the upper surface of the operation platform 2. The first supporting plate 409 is rotatably connected with the driven rotating shaft 408. The driving rubber wheel 3 is arranged on the outer side of the driven rotating shaft 408. The position of the rotating motor 402 is fixed by the fixed plate 401. The driving rotating shaft 403 is rotated at a certain rotating speed by the rotating motor 402. The driving belt pulley 404 is rotated by the driving rotating shaft 403. The belt body 407 is rotated by the driving belt pulley 404. The driven belt pulley 406 is rotated by the belt body 407. The driven rotating shaft 408 is rotated by the driven belt pulley 406. The position of the driven rotating shaft 408 is fixed by the first supporting plate 409. The driving rubber wheel 3 is synchronously rotated by the driven rotating shaft 408. The belt body 407 is ensured to penetrate through the operation platform 2 by the through slot 405. The drum body 4 is ensured to stably rotate at a certain rotating speed.

[0024] Please refer to Figure 3 In the embodiment, the rotating speed assembly comprises a second supporting plate 501, a first supporting rod 502 and a rotating speed controller 503. The outer side of the idle wheel 5 is provided with the second supporting plate 501. The second supporting plate 501 is arranged in multiple groups. One side of the second supporting plate 501 is fixedly connected with the upper surface of the operation platform 2. The inner side of the second supporting plate 501 is provided with the first supporting rod 502. The idle wheel 5 is arranged on the outer side of the first supporting rod 502. The idle wheel 5 is rotatably connected with the first supporting rod 502. The inner side of the electric control instrument box 1 is provided with the rotating speed controller 503. The first supporting rod 502 is fixed by the second supporting plate 501. The idle wheel 5 is rotatably connected with the first supporting rod 502. The position of the idle wheel 5 is ensured to be stable. The rotating speed of the driving rotating shaft 403 is flexibly controlled by the rotating speed controller 503.

[0025] Please refer to Figure 4In the embodiment, the opening and closing assembly comprises a box cover handle 601, a hinge 602, a box cover support rod 603 and a tempered glass observation window 604. The box cover handle 601 is arranged on one side of the back-hinged box cover 6. The hinge 602 is arranged on one side of the electric control instrument box 1. The hinge 602 is symmetrically arranged in two groups. The hinge 602 is rotationally connected with one side of the back-hinged box cover 6. The box cover support rod 603 is arranged on one side of the back-hinged box cover 6. The box cover support rod 603 is symmetrically arranged in two groups. The tempered glass observation window 604 is arranged on one side of the back-hinged box cover 6. The back-hinged box cover 6 is flexibly opened and closed through the box cover handle 601. The back-hinged box cover 6 and the electric control instrument box 1 are rotationally connected through the hinge 602. The back-hinged box cover 6 is stably supported in the opened state through the box cover support rod 603. The situation in the box is conveniently observed in the closed state of the back-hinged box cover 6 through the tempered glass observation window 604.

[0026] Before the test, the test cylinder coated with the lubricating grease sample is loaded into the roller main body 4. Then, the roller main body 4 is placed between the driving rubber wheels 3. The hinge 602 is rotated by holding the box cover handle 601, so as to close the back-hinged box cover 6 and seal the operation platform 2.

[0027] During the test, the electric control instrument box 1 is turned on by turning on the power switch 201. The fan heater 8 is started by turning on the temperature control switch 802. The air in the box is heated and circulated by the fan heater 8. The temperature in the box is sensed in real time by the temperature sensor main body 803. The highest temperature in the box is set by the digital display temperature controller main body 801. The temperature change is displayed at the same time.

[0028] At the same time, the driving motor 402 is started by turning on the starting switch 202, so as to drive the driving shaft 403 on the fixed plate 401 to rotate. The driving shaft 403 drives the driving pulley 404 to rotate, so as to drive the belt main body 407 to rotate through the through slot 405, drive the driven pulley 406 to rotate, drive the driven shaft 408 in the first support plate 409 to rotate, and drive the driving rubber wheel 3 to rotate.

[0029] Subsequently, the driving rubber wheel 3 is driven to rotate by the driving rubber wheel 3, the rotating speed of the roller main body 4 is controlled by the rotating speed controller 503, the first support rod 502 is fixed by the second support plate 501, the idle pulley 5 on the first support rod 502 is driven to rotate synchronously by the roller main body 4, at the same time, the electronic timer 9 is started to set the test duration of the instrument, and the situation in the box is observed through the tempered glass observation window 604.

[0030] After the test, the back-hinged box cover 6 is opened, so that the safety protection switch 7 is popped out, and the power switch 201 and the driving motor 402 are forced to be turned off. The back-hinged box cover 6 is supported by the box cover support rod 603, and the roller main body 4 is taken out.

[0031] Through the above steps, by setting the roller body 4 placed inside the grease sample test cylinder, using the active rubber wheel 3 to limit the roller body 4 placement position, through the opening and closing assembly flexible opening and closing back box cover 6, through the back box cover 6 will be closed to protect the operation platform 2 in, when the back box cover 6 is opened, the safety protection switch 7 is forced to start, the safety protection switch 7 is closed to force the heating and motor power off, the power switch 201 is pressed to flexibly open and close the electric control instrument box 1 power, the start switch 202 is pressed to flexibly control the rotation assembly operation, the rotation assembly speed is controlled through the rotation speed assembly, the active rubber wheel 3 is rotated by using the rotation assembly, the roller body 4 is rotated at a certain speed by rotating the active rubber wheel 3, and the idler wheel 5 is synchronously rotated, the rotation speed of the tester is calibrated by rotating the idler wheel 5, the temperature control switch 802 is pressed to flexibly open and close the fan heater 8, the fan heater 8 is started to heat the test box, and the air bath in the box is circulated at the same time, the temperature sensor main body 803 is used to monitor the temperature in the box in real time, the highest temperature in the box is set through the digital display temperature controller main body 801, at the same time, the temperature change in the box is displayed in real time, in addition, the electronic timer 9 is used to set the required time for the test, so that the heating operation is effectively carried out, the air bath in the test box is circulated, the temperature in the box is uniform, and at the same time, the safety protection switch 7 is provided, when the upper cover is opened, the heating and motor power is forced to be turned off.

[0032] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range possessed by the person skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. An air circulation temperature control type drum stability tester with a protective structure, comprising an electric control instrument box (1), an operation platform (2), a power switch (201), a driving rubber wheel (3), a drum main body (4), a rotating assembly, an idler wheel (5), a rotating speed assembly, characterized in that: Also include the start switch (202), hatchback box cover (6), open and close assembly, safety protection switch (7), fan heater (8), digital display temperature control instrument main body (801), temperature control switch (802), temperature sensor main body (803) and electronic timer (9), the top of the electric control instrument box (1) is provided with operation platform (2), one side of the electric control instrument box (1) is provided with power switch (201), one side of the power switch (201) is provided with start switch (202), the upper side of the operation platform (2) is provided with driving rubber wheel (3), the driving rubber wheel (3) is provided with multiple groups of symmetry, one side of the driving rubber wheel (3) is provided with roller main body (4), one side of the driving rubber wheel (3) is provided with rotating assembly, the other side of the roller main body (4) is provided with idler (5), the idler (5) is provided with multiple groups of symmetry, one side of the idler (5) is provided with rotating speed assembly, the top of the electric control instrument box (1) is provided with hatchback box cover (6), one side of the hatchback box cover (6) is provided with open and close assembly, one side of the operation platform (2) is provided with safety protection switch (7), the safety protection switch (7) is arranged in a corner of the operation platform (2), the inner side of the hatchback box cover (6) is provided with fan heater (8), the inner side of the electric control instrument box (1) is provided with digital display temperature control instrument main body (801), one side of the digital display temperature control instrument main body (801) is provided with temperature control switch (802), one side of the operation platform (2) is provided with temperature sensor main body (803), one side of the start switch (202) is provided with electronic timer (9).

2. The air circulation temperature-controlled drum stability tester with protective structure according to claim 1, characterized in that: The rotating assembly includes a fixed plate (401), a rotating motor (402), a driving shaft (403) and a driving belt pulley (404), the inner side of the electric control instrument box (1) is provided with a fixed plate (401), one side of the fixed plate (401) is provided with a rotating motor (402), the other side of the fixed plate (401) is provided with a driving shaft (403), the driving shaft (403) and the fixed plate (401) are rotatably connected, the output end of the rotating motor (402) and the driving shaft (403) are connected, the outer side of the driving shaft (403) is provided with a driving belt pulley (404).

3. The air circulation temperature-controlled drum stability tester with protective structure according to claim 2, characterized in that: The rotating assembly further comprises a through groove (405), a driven pulley (406), a belt body (407), a driven rotating shaft (408) and a first support plate (409), one side of the operation platform (2) is provided with the through groove (405), the outer side of the driving pulley (404) is provided with the belt body (407), the belt body (407) is arranged on the inner side of the through groove (405), the other end of the belt body (407) is provided with the driven pulley (406), one end of the driven pulley (406) is provided with the driven rotating shaft (408), the outer side of the driven rotating shaft (408) is provided with the first support plate (409), the first support plate (409) is provided with a plurality of groups, one side of the first support plate (409) and the upper surface of the operation platform (2) are fixedly connected with each other, the first support plate (409) and the driven rotating shaft (408) are rotatably connected with each other, and the driving rubber wheel (3) is arranged on the outer side of the driven rotating shaft (408).

4. The air circulation temperature-controlled drum stability tester with protective structure according to claim 2, characterized in that: The rotating speed assembly comprises a second support plate (501), the outer side of the idle wheel (5) is provided with the second support plate (501), the second support plate (501) is provided with a plurality of groups, and one side of the second support plate (501) and the upper surface of the operation platform (2) are fixedly connected with each other.

5. The air circulation temperature-controlled drum stability tester with protective structure according to claim 4, characterized in that: The rotating speed assembly further comprises a first support rod (502) and a rotating speed controller (503), the inner side of the second support plate (501) is provided with the first support rod (502), the idle wheel (5) is arranged on the outer side of the first support rod (502), the idle wheel (5) and the first support rod (502) are rotatably connected with each other, and the inner side of the electric control instrument box (1) is provided with the rotating speed controller (503).

6. The air circulation temperature-controlled drum stability tester with protective structure according to claim 5, characterized in that: The opening and closing assembly comprises a box cover handle (601) and a hinge (602), one side of the back-hinged box cover (6) is provided with the box cover handle (601), one side of the electric control instrument box (1) is provided with the hinge (602), the hinge (602) is symmetrically provided with two groups, and one side of the back-hinged box cover (6) and the hinge (602) are rotatably connected with each other.

7. The air circulation temperature-controlled drum stability tester with protective structure according to claim 6, characterized in that: The opening and closing assembly further comprises a box cover support rod (603) and a tempered glass observation window (604), one side of the back-hinged box cover (6) is provided with the box cover support rod (603), the box cover support rod (603) is symmetrically provided with two groups, and one side of the back-hinged box cover (6) is provided with the tempered glass observation window (604).

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