CN221124127U

CN221124127U - Load soft creep tester

Info

Publication number: CN221124127U
Application number: CN202322588005.8U
Authority: CN
Inventors: 周会峰
Original assignee: Zhengzhou Huansheng Refractory Material Co ltd
Current assignee: Zhengzhou Huansheng Refractory Material Co ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-06-11
Anticipated expiration: 2033-09-22

Abstract

The utility model discloses a soft creep tester for load, which belongs to the technical field of refractory material performance detection and comprises a furnace, wherein a thermocouple is arranged in the side wall of the furnace, the bottom of the furnace is fixedly connected with a bottom column, a material sample is placed at the top of the bottom column, a counterweight mechanism is arranged at the top of the furnace, a distance measurer is arranged in the counterweight mechanism, an opening and closing mechanism and a lifting mechanism are arranged at the top of the furnace, and a centering mechanism is arranged at the bottom of the lifting mechanism. The beneficial effects are that: the centering mechanism is arranged, the connecting plate is extruded to move backwards through the rotation of the driving block, so that the cylindrical rod is driven to move backwards, the first sliding block is driven to move backwards, meanwhile, the second sliding block is extruded to move forwards through the rotation of the driving block, and the two positioning plates are driven to move close to each other through the mutual approaching of the first sliding block and the second sliding block, so that centering of a material sample is realized, and the material sample and the pressing column are concentric.

Description

Load soft creep tester

Technical Field

The utility model relates to the technical field of refractory material performance detection, in particular to a soft creep tester.

Background

Method for testing load softening temperature of refractory materials according to national standard GB/T5989-2008 of the people's republic of China

Differential temperature rise method and GB/T5073-2005 refractory compressive creep test method specify methods for measuring soft-on-load temperature and compressive creep by differential method, and the non-differential-temperature rise method specify principles for testing the softening-on-load temperature of the refractory castable according to the standard YB/T370-1995 refractory product load softening temperature test method and the YB/T2203-1998 refractory castable load softening temperature test method of the ferrous metallurgical industry standard of the people's republic of China, wherein the refractory material load softening temperature refers to the temperature at which a refractory product is deformed under a specified pressure load under a specified temperature rise condition, and the refractory compressive creep refers to isothermal deformation of the refractory product along with the prolongation of a constant temperature time under a constant compressive stress.

Through retrieving, chinese patent publication No. CN218212726U discloses a refractory brick detects with high temperature load softening tester, which comprises a box body, the heating furnace, the back-up bar, the pressure stick, the thermocouple, the isolator, add load pole and pressure device, the heating furnace sets up on the box top, middle part fixedly connected with back-up bar in the heating furnace, thermocouple fixed connection is in the left bottom of heating furnace, fixedly connected with guide rail on the heating furnace on back-up bar right side, but isolator sliding connection is in the guide rail, heating furnace top fixedly connected with sleeve, it is in the sleeve to add load pole sliding connection, add load pole bolted connection on pressure stick top, support column top fixedly connected with roof, pressure device sets up on the roof, pressure device and add load pole top fixed connection, staff in the heating furnace in-process sample, do not shelter from between sample and the thermocouple, the sample is very easy with thermocouple produces the problem of collision.

In the experiment, in order to make the material sample receive even pressure, need place the center at the pressure stick with refractory material, guarantee material sample and the coaxial heart of pressure stick, but above-mentioned patent is placed by manual when placing the refractory material sample, is difficult to guarantee the axiality of material sample and pressure stick, and the experimental error is great.

Disclosure of utility model

The utility model aims to solve the problems and provide a soft creep tester.

The utility model realizes the above purpose through the following technical scheme:

The utility model provides a soft creep tester of lotus, includes the stove, install the thermocouple in the stove lateral wall, stove bottom fixedly connected with sill pillar, the material sample has been placed at sill pillar top, counter weight mechanism is installed at the stove top, install apart from the caliber in the counter weight mechanism, open and shut mechanism and elevating system are installed at the stove top, the elevating system bottom is provided with centering mechanism, install actuating mechanism in the centering mechanism, centering mechanism is including putting the thing board, put thing board fixedly connected with in elevating system's bottom, put thing board top sliding connection have first sliding block and second sliding block, the rear side fixedly connected with two cylinder poles of first sliding block, two the rear side fixedly connected with connecting plate of cylinder pole, second sliding block sliding connection is in on the cylinder pole, first sliding block with be provided with the spring between the second sliding block, the spring cup joints on the cylinder, the rear side of first sliding block with the front side of second sliding block is all fixedly connected with the locating plate, set up in the V type post.

Preferably, the first sliding block and the second sliding block have the same shape.

Preferably, the opening and closing mechanism comprises two mounting frames, the two mounting frames are fixedly connected to the outer wall of the stove, the two mounting frames are internally and fixedly connected with electric push rods, an output shaft of each electric push rod is fixedly connected with a movable plate, the bottom of each movable plate is fixedly connected with a baffle, and the baffle is slidably connected to the top of the stove.

Preferably, the lifting mechanism comprises a stabilizing frame, the stabilizing frame is fixedly connected to the top of the stove, a hydraulic cylinder is fixedly connected to the top of the stabilizing frame, a connecting frame is fixedly connected to an output shaft of the hydraulic cylinder, and the object placing plate is fixedly connected to the bottom of the stabilizing frame.

Preferably, the driving mechanism comprises a fixing frame, the fixing frame is fixedly connected to the top of the storage plate, a rotating shaft is rotatably connected between the fixing frame and the storage plate, a driving block is fixedly connected to the rotating shaft, a motor is mounted on the top of the fixing frame through a bracket, and an output shaft of the motor is fixedly connected to the top of the rotating shaft.

Preferably, the counterweight mechanism comprises a support column, the support column is fixedly connected to the top of the furnace, the support column is fixedly connected with a bearing plate, the top of the bearing plate is fixedly connected with two pulleys, ropes are matched in the pulleys, one end of each rope is connected with a counterweight disc, the other end of each rope is connected with a pressure block, the bottom of each pressure block is fixedly connected with a pressing column, and the distance measurer is installed on the front side of each pressure block.

The beneficial effects are that: the centering mechanism is arranged, the connecting plate is extruded to move backwards through the rotation of the driving block, so that the cylindrical rod is driven to move backwards, the first sliding block is driven to move backwards, meanwhile, the second sliding block is extruded to move forwards through the rotation of the driving block, and the two positioning plates are driven to move close to each other through the mutual approaching of the first sliding block and the second sliding block, so that centering of a material sample is realized, and the material sample and the pressing column are concentric.

Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a perspective view of a soft-under-load creep tester according to the present utility model;

FIG. 2 is a left side view of the internal structure of the furnace of the soft creep-under-load tester according to the present utility model;

FIG. 3 is a perspective view of a centering mechanism of the soft creep tester of the present utility model;

FIG. 4 is a perspective view of a drive mechanism for a soft-under-load creep tester according to the present utility model.

The reference numerals are explained as follows: 1. a stove; 101. a thermocouple; 102. a bottom post; 2. an opening and closing mechanism; 201. a mounting frame; 202. an electric push rod; 203. a moving plate; 204. a baffle; 3. a lifting mechanism; 301. a stabilizing rack; 302. a hydraulic cylinder; 303. a connecting frame; 4. a centering mechanism; 401. a storage plate; 402. a first slider; 403. a second slider; 404. a cylindrical rod; 405. a spring; 406. a positioning plate; 407. a connecting plate; 5. a driving mechanism; 501. a fixing frame; 502. a rotating shaft; 503. a driving block; 504. a motor; 6. a weight mechanism; 601. a support column; 602. a carrying plate; 603. a pulley; 604. a rope; 605. a weight plate; 606. a pressure block; 607. pressing a column; 7. a sample of material; 8. distance measurer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify 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.

The utility model is further described below with reference to the accompanying drawings:

As shown in fig. 1-4, the soft creep tester comprises a furnace 1, a thermocouple 101 is installed in the side wall of the furnace 1, a bottom column 102 is welded at the bottom of the furnace 1, a material sample 7 is placed at the top of the bottom column 102, a counterweight mechanism 6 is installed at the top of the furnace 1, a distance measurer 8 is installed in the counterweight mechanism 6, an opening and closing mechanism 2 and a lifting mechanism 3 are installed at the top of the furnace 1, a centering mechanism 4 is arranged at the bottom of the lifting mechanism 3, and a driving mechanism 5 is installed in the centering mechanism 4.

The counterweight mechanism 6 comprises a support column 601, the support column 601 is welded at the top of the furnace 1, a bearing plate 602 is welded at the top of the support column 601, two pulleys 603 are connected to the top of the bearing plate 602 through screws, a rope 604 is matched in the pulleys 603, one end of the rope 604 is connected with a counterweight disc 605, the other end of the rope 604 is connected with a pressure block 606, a press column 607 is welded at the bottom of the pressure block 606, a distance measurer 8 is arranged at the front side of the pressure block 606, a material sample 7 is placed at the top of the bottom column 102, then the press column 607 is placed at the top of the material sample 7, and weights are added or reduced in the counterweight disc 605, so that the weight of the pressure block 606 is balanced, and the pressure on the material sample 7 is regulated.

The lifting mechanism 3 comprises a stabilizing frame 301, the stabilizing frame 301 is fixedly connected to the top of the furnace 1, the top end of the stabilizing frame 301 is connected with a hydraulic cylinder 302 through a bolt, an output shaft of the hydraulic cylinder 302 is connected with a connecting frame 303 in a threaded manner, the object placing plate 401 is welded to the bottom of the stabilizing frame 301, and the connecting frame 303 is driven to lift through the movement of the hydraulic cylinder 302, so that the centering mechanism 4 is driven to lift.

The driving mechanism 5 comprises a fixing frame 501, the fixing frame 501 is welded at the top of the object placing plate 401, the fixing frame 501 and the object placing plate 401 are rotationally connected with a rotating shaft 502 through a bearing, a driving block 503 is connected on the rotating shaft 502 through a key, a motor 504 is installed at the top of the fixing frame 501 through a bracket, an output shaft of the motor 504 is connected with the top of the rotating shaft 502 through a coupling, the rotating shaft 502 is driven to rotate through the movement of the motor 504, thereby driving the driving block 503 to rotate, the centering mechanism 4 comprises the object placing plate 401, the object placing plate 401 is welded at the bottom of the lifting mechanism 3, a first sliding block 402 and a second sliding block 403 are slidingly connected at the top of the object placing plate 401, a connecting plate 407 is welded at the rear side of the first sliding block 402, the second sliding block 403 is slidingly connected on the cylindrical rods 404, a spring 405 is arranged between the first sliding block 402 and the second sliding block 403, the spring 405 is sleeved on the cylindrical rod 404, the rear side of the first sliding block 402 and the front side of the second sliding block 403 are both welded with the positioning plate 406, the positioning plate 406 is provided with a V-shaped groove for centering, the first sliding block 402 and the second sliding block 403 are identical in shape, the connecting plate 407 is extruded by the rotation of the driving block 503, so that the connecting plate 407 moves backwards, the cylindrical rod 404 is driven to move backwards, the first sliding block 402 is driven to move backwards, the second sliding block 403 is extruded by the rotation of the driving block 503, the second sliding block 403 is driven to move forwards, the first sliding block 402 and the second sliding block 403 are mutually close, the spring 405 is compressed, the two positioning plates 406 are mutually driven to mutually close by the first sliding block 402 and the second sliding block 403, and the centering of the material sample 7 is realized, further, the material sample 7 and the plunger 607 are coaxial.

The opening and closing mechanism 2 comprises two mounting frames 201, the two mounting frames 201 are welded on the outer wall of the stove 1, electric push rods 202 are connected to the two mounting frames 201 through bolts, moving plates 203 are connected to output shafts of the electric push rods 202 in a threaded mode, baffle plates 204 are welded to the bottoms of the moving plates 203, the baffle plates 204 are slidably connected to the top of the stove 1, the moving plates 203 are driven to move through movement of the electric push rods 202, the baffle plates 204 are driven to slide along the top of the stove 1, and then the top of the stove 1 is opened or covered.

Working principle: in use, the material sample 7 is placed on top of the bottom post 102, then the press post 607 is placed on top of the material sample 7, then, the weight is added or subtracted to the weight plate 605 to balance the weight of the pressure block 606, thereby realizing the adjustment of the pressure to the material sample 7, after the adjustment is finished, the hydraulic cylinder 302 moves, driving the connecting frame 303 to move downwards, driving the centering mechanism 4 to move downwards around the material sample 7, the motor 504 then moves, which drives the rotation shaft 502 to rotate, thereby driving the driving block 503 to rotate, by rotating the driving block 503, the connecting plate 407 is pressed, so that the connecting plate 407 moves backward, thereby driving the cylindrical rod 404 to move backward, and thus the first slider 402 is moved backward, while rotating by the driving block 503 presses the second slider 403, causing the second slider 403 to move forward, effecting the first slider 402 and the second slider 403 to approach each other, and simultaneously compresses the spring 405, the first sliding block 402 and the second sliding block 403 approach each other, so as to drive the two positioning plates 406 to approach each other, thereby centering the material specimen 7, so that the material specimen 7 and the press stud 607 are coaxial, and then the motor 504 is reversed, under the action of the spring 405, the first sliding block 402 and the second sliding block 403 are far away from each other and are no longer in contact with the material sample 7, then the lifting mechanism 3 moves to drive the centering mechanism 4 to move upwards, then the electric push rod 202 moves to drive the moving plate 203 to move, so as to drive the baffle 204 to slide along the top of the stove 1, thereby realizing the purpose of covering the top of the stove 1, then the furnace 1 is heated, after a period of time, the descending distance of the rope 604 is measured by the distance measurer 8, and the experimental result can be obtained by calculation in combination with the temperature measured by the thermocouple 101.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a soft creep tester of lotus, includes stove (1), install thermocouple (101) in stove (1) lateral wall, stove (1) bottom fixedly connected with sill pillar (102), material sample (7) have been placed at sill pillar (102) top, counter weight mechanism (6) are installed at stove (1) top, install in counter weight mechanism (6) apart from caliber (8), its characterized in that: an opening and closing mechanism (2) and a lifting mechanism (3) are arranged at the top of the stove (1), a centering mechanism (4) is arranged at the bottom of the lifting mechanism (3), and a driving mechanism (5) is arranged in the centering mechanism (4);

Centering mechanism (4) are including putting thing board (401), put thing board (401) fixed connection be in the bottom of elevating system (3), put thing board (401) top sliding connection have first sliding block (402) and second sliding block (403), the rear side fixedly connected with two cylinder poles (404) of first sliding block (402), two rear side fixedly connected with connecting plate (407) of cylinder pole (404), second sliding block (403) sliding connection be in on cylinder pole (404), first sliding block (402) with be provided with spring (405) between second sliding block (403), spring (405) cup joint on cylinder pole (404), the rear side of first sliding block (402) with the equal fixedly connected with locating plate (406) of front side of second sliding block (403), set up the V type groove that is used for the centering in locating plate (406).

2. The soft-under-load creep tester according to claim 1, wherein: the first sliding block (402) and the second sliding block (403) are identical in shape.

3. The soft-under-load creep tester according to claim 1, wherein: the opening and closing mechanism (2) comprises two mounting frames (201), the two mounting frames (201) are fixedly connected to the outer wall of the stove (1), the two mounting frames (201) are fixedly connected with electric push rods (202), output shafts of the electric push rods (202) are fixedly connected with moving plates (203), baffle plates (204) are fixedly connected to the bottoms of the moving plates (203), and the baffle plates (204) are slidably connected to the top of the stove (1).

4. The soft-under-load creep tester according to claim 1, wherein: the lifting mechanism (3) comprises a stabilizing frame (301), the stabilizing frame (301) is fixedly connected to the top of the stove (1), a hydraulic cylinder (302) is fixedly connected to the top of the stabilizing frame (301), a connecting frame (303) is fixedly connected to an output shaft of the hydraulic cylinder (302), and the object placing plate (401) is fixedly connected to the bottom of the stabilizing frame (301).

5. The soft-under-load creep tester according to claim 1, wherein: the driving mechanism (5) comprises a fixing frame (501), the fixing frame (501) is fixedly connected to the top of the storage plate (401), a rotating shaft (502) is rotatably connected between the fixing frame (501) and the storage plate (401), a driving block (503) is fixedly connected to the rotating shaft (502), a motor (504) is mounted on the top of the fixing frame (501) through a support, and an output shaft of the motor (504) is fixedly connected to the top of the rotating shaft (502).

6. The soft-under-load creep tester according to claim 1, wherein: the counterweight mechanism (6) comprises a supporting column (601), the supporting column (601) is fixedly connected to the top of the furnace (1), a bearing plate (602) is fixedly connected to the top of the supporting column (601), two pulleys (603) are fixedly connected to the top of the bearing plate (602), ropes (604) are matched in the pulleys (603), a counterweight disc (605) is connected to one end of each rope (604), a pressure block (606) is connected to the other end of each rope (604), a pressing column (607) is fixedly connected to the bottom of each pressure block (606), and a distance measurer (8) is installed on the front side of each pressure block (606).