Device for measuring free expansion degree of coal

Abstract

The utility model relates to the technical field of detection and inspection devices, in particular to a coal free expansion degree measuring device which comprises a base, a heating device is arranged on the left side of the top of the base, a feeding device is arranged on the right side of the top of the base, and the heating device comprises a crucible fixedly installed on the left side of the top of the base. A heating block is fixedly mounted at the bottom of an inner cavity of the crucible, a protective cover is arranged in the crucible, a top plate is arranged at the top of the crucible, a placement plate is arranged at the bottom of the top plate, and the feeding device comprises a first mounting plate fixedly mounted on the right side of the top of the base. According to the measuring device for the free expansion degree of the coal, the heating device and the feeding device are installed through the arrangement of the base, coal briquettes are heated through the arrangement of the heating device, the compared coal briquettes are conveyed into the heating device for comparison through the arrangement of the feeding device, and the situation that the feeding of the coal briquettes is influenced by the higher temperature, and the measurement is influenced is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of coal free swelling degree measurement, in particular to a device for measuring the coal free swelling degree. Background Technique

[0002] The free swelling index refers to an index that numbers the swelling degree of the coke obtained by heating coal in a crucible to characterize the plasticity of coal, also known as the crucible swelling ordinal number.

[0003] In order to determine the specifications of coal, it is necessary to measure its swelling degree after mining. During actual measurement, the coal blocks to be measured need to be placed inside the crucible for heating. After heating, they are taken out and compared with coal blocks of different specifications. After heating, due to the high temperature of the crucible, it is impossible to place the comparison coal blocks, which affects the actual use and cannot meet the measurement requirements, thus affecting the accuracy of the measurement results. At the same time, when the current device puts in coal blocks, the high temperature is likely to burn the testers, posing a safety risk of personnel burns.

[0004] In order to solve the above problems, we made improvements and proposed a device for measuring the coal free swelling degree. Content of the Utility Model

[0005] The purpose of the utility model is to provide a device for measuring the coal free swelling degree to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A device for measuring the coal free swelling degree includes a base. A heating device is arranged on the left side of the top of the base, and a feeding device is arranged on the right side of the top of the base;

[0008] The heating device includes a crucible fixedly installed on the left side of the top of the base. A heating block is fixedly installed at the bottom of the inner cavity of the crucible. A protective cover is arranged inside the crucible. A top plate is arranged at the top of the crucible, and a placement plate is arranged at the bottom of the top plate;

[0009] The feeding device includes a first mounting plate fixedly installed on the right side of the top of the base, a clamping device arranged on the left side of the first mounting plate, and a second electric push rod fixedly installed on the right side of the first mounting plate. The output end of the second electric push rod penetrates through the first mounting plate and extends to the left side of the first mounting plate.

[0010] As a further scheme of the utility model: A protective ring is fixedly installed in the inner cavity of the crucible, and the bottom of the protective cover is in contact with the top of the protective ring.

[0011] As a further solution of the utility model: first mounting blocks are fixedly installed on both the front side and the rear side of the crucible, second mounting blocks are fixedly installed on both the front side and the rear side of the top plate, a first electric push rod is fixedly installed at the bottom of the first mounting block, and the output end of the first electric push rod penetrates through the first mounting block and is fixedly connected to the bottom of the second mounting block.

[0012] As a further solution of the utility model: two connecting rods are fixedly installed at the bottom of the top plate, and the bottom of the connecting rods is fixedly connected to the top of the placing plate.

[0013] As a further solution of the utility model: the clamping device includes a mounting seat fixedly installed at the output end of the second electric push rod, two second mounting plates arranged at the bottom of the mounting seat, and clamping plates arranged on the relatively close sides of the second mounting plates. The bottom of the second mounting plate is located above the placing plate.

[0014] As a further solution of the utility model: two sliding grooves are opened at the bottom of the mounting seat, sliders are slidably connected inside the sliding grooves, and the bottom of the sliders is fixedly connected to the top of the second mounting plates.

[0015] As a further solution of the utility model: a driving motor is fixedly installed on the back of the mounting seat, a threaded rod is fixedly installed at the output end of the driving motor, the threaded rod penetrates into the inside of the sliding groove and is rotationally connected to the slider through a thread.

[0016] As a further solution of the utility model: two springs are fixedly installed on one side of each of the second mounting plates, and one side of the springs is fixedly connected to the clamping plates.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] 1. The utility model realizes the installation of the heating device and the feeding device through the setting of the base, realizes the heating of the coal blocks through the setting of the heating device, and sends the compared coal blocks into the heating device through the setting of the feeding device for comparison, effectively avoiding the influence of high temperature on the feeding of coal blocks and thus affecting the determination of the free swelling degree of coal.

[0019] 2. The utility model realizes the installation and fixation of the second electric push rod through the setting of the first mounting plate, drives the clamping device to move through the second electric push rod, and realizes the fixation and clamping of the compared coal blocks through the setting of the clamping device, effectively avoiding the burns to the human body caused by high temperature during manual sample placement and greatly reducing the risk of safety accidents. Description of the Drawings

[0020] Figure 1 It is a schematic structural diagram of a device for measuring the free swelling degree of coal;

[0021] Figure 2 It is a schematic top view structure of a crucible in a device for measuring the free swelling index of coal;

[0022] Figure 3 It is a schematic structure diagram of a protective cover in a device for measuring the free swelling index of coal;

[0023] Figure 4 It is a schematic structure diagram of a placement plate and a top plate in a device for measuring the free swelling index of coal;

[0024] Figure 5 It is a schematic unfolded structure diagram of a clamping device in a device for measuring the free swelling index of coal.

[0025] In the figure: 1. Base; 2. Heating device; 201. Crucible; 202. First electric push rod; 203. First mounting block; 204. Protective cover; 205. Placement plate; 206. Second mounting block; 207. Top plate; 208. Protective ring; 209. Heating block; 210. Connecting rod; 3. Feeding device; 301. First mounting plate; 302. Second electric push rod; 303. Clamping device; 3031. Mounting seat; 3032. Chute; 3033. Slide block; 3034. Second mounting plate; 3035. Clamping plate; 3036. Spring; 3037. Driving motor; 3038. Threaded rod. Specific embodiments

[0026] To make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

[0027] Please refer to Figure 1 、 2 、3 and 4, a device for measuring the free swelling index of coal, including a base 1, a heating device 2 is arranged on the left side of the top of the base 1, and a feeding device 3 is arranged on the right side of the top of the base 1;

[0028] The heating device 2 includes a crucible 201 fixedly installed on the left side of the top of the base 1, a heating block 209 is fixedly installed at the bottom of the inner cavity of the crucible 201, a protective cover 204 is arranged inside the crucible 201, a top plate 207 is arranged at the top of the crucible 201, and a placement plate 205 is arranged at the bottom of the top plate 207;

[0029] The feeding device 3 includes a first mounting plate 301 fixedly installed on the right side of the top of the base 1, a clamping device 303 arranged on the left side of the first mounting plate 301, and a second electric push rod 302 fixedly installed on the right side of the first mounting plate 301. The output end of the second electric push rod 302 penetrates through the first mounting plate 301 and extends to the left side of the first mounting plate 301.

[0030] A protective ring 208 is fixedly installed in the inner cavity of the crucible 201. The bottom of the protective cover 204 contacts the top of the protective ring 208. Through the arrangement of the protective ring 208, the protective cover 204 is supported, preventing the bottom of the protective cover 204 from contacting the top of the heating block 209, which may cause the coal block to be ignited due to excessive temperature, and also preventing the combustible gas remaining inside the coal block from contacting and burning with the heating block 209.

[0031] First mounting blocks 203 are fixedly installed on both the front and rear sides of the crucible 201. Second mounting blocks 206 are fixedly installed on both the front and rear sides of the top plate 207. A first electric push rod 202 is fixedly installed at the bottom of the first mounting block 203. The output end of the first electric push rod 202 penetrates through the first mounting block 203 and is fixedly connected to the bottom of the second mounting block 206. Through the cooperation among the first electric push rod 202, the first mounting block 203, and the second mounting block 206, the lifting of the top plate 207 is realized, and then the lifting of the placing plate 205 is realized, so as to take out the heated coal block for comparative measurement.

[0032] Two connecting rods 210 are fixedly installed at the bottom of the top plate 207. The bottoms of the connecting rods 210 are fixedly connected to the top of the placing plate 205. Through the arrangement of the connecting rods 210, the installation and connection of the placing plate 205 are realized, and it is convenient to place the coal block on the top of the placing plate 205.

[0033] Please refer to Figure 1 and 5 , a device for measuring the free swelling index of coal. The clamping device 303 includes a mounting seat 3031 fixedly installed at the output end of the second electric push rod 302, two second mounting plates 3034 arranged at the bottom of the mounting seat 3031, and clamping plates 3035 arranged on the relatively close sides of the second mounting plates 3034. The bottoms of the second mounting plates 3034 are located above the placing plate 205.

[0034] Two sliding grooves 3032 are formed at the bottom of the mounting seat 3031. Sliders 3033 are slidably connected inside the sliding grooves 3032. The bottoms of the sliders 3033 are fixedly connected to the tops of the second mounting plates 3034. Through the cooperation between the sliding grooves 3032 and the sliders 3033, the connection of the second mounting plates 3034 is realized. Through the cooperation between the second mounting plates 3034 and the clamping plates 3035, the coal block is clamped and fixed.

[0035] A driving motor 3037 is fixedly installed on the back of the mounting seat 3031. A threaded rod 3038 is fixedly installed at the output end of the driving motor 3037. The threaded rod 3038 penetrates into the inside of the chute 3032 and is rotationally connected to the slider 3033 through a thread. The cooperation among the driving motor 3037, the threaded rod 3038 and the slider 3033 is used to drive the second mounting plate 3034, so as to drive the clamping plate 3035 to clamp and fix the coal block.

[0036] Two springs 3036 are fixedly installed on one side of the second mounting plate 3034 respectively. One side of the spring 3036 is fixedly connected to the clamping plate 3035. The arrangement of the spring 3036 is used to buffer the clamping plate 3035, so as to reduce the excessive extrusion force of the second mounting plate 3034 and prevent the coal block from being damaged and cracked.

[0037] The working principle of the present utility model is as follows: Place the coal block on the top of the placing plate 205. Drive the top plate 207 by the first electric push rod 202 to drive the placing plate 205 to descend, so that the placing plate 205 penetrates into the inside of the protective cover 204. At the same time, the bottom of the top plate 207 contacts the top of the crucible 201. The inner cavity of the crucible 201 is heated by the heating block 209, and the protective cover 204 is heated at the same time. The heat is transmitted to the inside of the protective cover 204 through the protective cover 204 to heat the coal block on the top of the placing plate 205. At the same time, place the coal block to be compared between the clamping plates 3035. Drive the threaded rod 3038 to rotate by the driving motor 3037. Under the action of the thread, drive the slider 3033 to drive the second mounting plate 3034 and the clamping plate 3035 to move towards the relatively close side, so as to clamp and fix the coal block. After the heating is completed, drive the top plate 207 to rise by the first electric push rod 202, so that the placing plate 205 is withdrawn from the inside of the protective cover 204, and the heated coal block leaks out. Drive the mounting seat 3031 by the second electric push rod 302 to drive the comparison coal block to move to the top of the placing plate 205. Drive the threaded rod 3038 by the driving motor 3037 to drive the slider 3033 to move. Drive the second mounting plate 3034 and the clamping plate 3035 to move towards the relatively far side by the slider 3033, place the coal block to be compared inside the placing plate 205 for comparison. After the comparison is completed, take out the comparison coal block and the coal block through the second mounting plate 3034 and the clamping plate 3035.

[0038] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent replacements or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A device for measuring the free expansion degree of coal, comprising a base (1), characterized in that: A heating device (2) is provided on the left side of the top of the base (1), and a feeding device (3) is provided on the right side of the top of the base (1); The heating device (2) comprises a crucible (201) fixedly mounted on the left side of the top of the base (1); a heating block (209) is fixedly mounted at the bottom of the inner cavity of the crucible (201); a protective cover (204) is arranged inside the crucible (201); a top plate (207) is arranged on the top of the crucible (201); and a placement plate (205) is arranged at the bottom of the top plate (207); The feeding device (3) comprises a first mounting plate (301) fixedly mounted on the top right side of the base (1), a clamping device (303) arranged on the left side of the first mounting plate (301), and a second electric push rod (302) fixedly mounted on the right side of the first mounting plate (301), wherein the output end of the second electric push rod (302) passes through the first mounting plate (301) and extends to the left side of the first mounting plate (301).

2. A device for measuring the free expansion degree of coal according to claim 1, characterized in that: A protective ring (208) is fixedly installed in the inner cavity of the crucible (201), and the bottom of the protective cover (204) is in contact with the top of the protective ring (208).

3. A device for measuring the free expansion degree of coal according to claim 1, characterized in that: A first mounting block (203) is fixedly mounted on the front and rear sides of the crucible (201), a second mounting block (206) is fixedly mounted on the front and rear sides of the top plate (207), a first electric push rod (202) is fixedly mounted on the bottom of the first mounting block (203), and an output end of the first electric push rod (202) passes through the first mounting block (203) and is fixedly connected to the bottom of the second mounting block (206).

4. A device for measuring the free expansion degree of coal according to claim 1, characterized in that: Two connecting rods (210) are fixedly mounted on the bottom of the top plate (207), and the bottom of the connecting rods (210) is fixedly connected to the top of the placement plate (205).

5. The device for measuring the free expansion degree of coal according to claim 1, characterized in that: The clamping device (303) comprises a mounting seat (3031) fixedly mounted on the output end of the second electric push rod (302), two second mounting plates (3034) arranged at the bottom of the mounting seat (3031), and a clamping plate (3035) arranged on one side relatively close to the second mounting plate (3034), wherein the bottom of the second mounting plate (3034) is located above the placement plate (205).

6. A device for measuring the free expansion degree of coal according to claim 5, characterized in that: Two slide grooves (3032) are provided at the bottom of the mounting seat (3031), and a slider (3033) is slidably connected inside the slide groove (3032), and the bottom of the slider (3033) is fixedly connected to the top of the second mounting plate (3034).

7. A device for measuring the free expansion degree of coal according to claim 6, characterized in that: A driving motor (3037) is fixedly mounted on the back of the mounting seat (3031), and a threaded rod (3038) is fixedly mounted on the output end of the driving motor (3037). The threaded rod (3038) penetrates into the interior of the slide groove (3032) and is rotationally connected to the slider (3033) via a thread.

8. A device for measuring the free expansion degree of coal according to claim 5, characterized in that: Two springs (3036) are fixedly mounted on one side of the second mounting plate (3034), and one side of the springs (3036) is fixedly connected to the clamping plate (3035).

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