Sampling spiral drill barrel ice melting equipment of raw coal sampling machine

Abstract

The utility model relates to a raw coal sampling machine sampling twist drill barrel ice melting device which comprises a shell and a spiral conveying blade rotationally arranged in the shell, an annular sleeve is movably arranged on the outer wall of the shell, and a plurality of heating pipes are evenly arranged in the annular sleeve along the circumference of the annular sleeve so that the shell can be conveniently heated through air. A driving mechanism is arranged between the shell and the annular sleeve, when the driving mechanism runs, the spiral conveying blade and the annular sleeve can be driven to rotate, the spiral conveying blade and the annular sleeve can be driven by the driving mechanism to rotate respectively, and the rotating spiral conveying blade is matched with the shell to sample and convey raw coal; the multiple heating pipes rotate outside the shell along with the annular sleeve, the heating cost can be saved while the shell can be evenly heated, and the heat transfer mechanism is also matched with the driving mechanism, so that air heated by the multiple heating pipes is blown to the end of the shell, and a coal seam is conveniently heated.

Description

Technical Field

[0001] The utility model relates to the field of energy chemical engineering, in particular to an ice melting device for a sampling spiral drill barrel of a raw coal sampling machine. Background Technique

[0002] At present, before transporting the purchased commercial coal to the plant silo, each coal chemical plant and power plant will conduct raw coal sampling and analysis.

[0003] In summer or when the temperature is relatively high, the coal seam is in a loose state, and the sampling spiral drill barrel device can normally conduct raw coal sampling. However, when winter comes or the temperature drops to zero degree, the coal seam will freeze, which will increase the difficulty of sampling raw coal by the sampling spiral drill barrel, thus reducing the sampling efficiency. Therefore, it is necessary for the sampling spiral drill barrel to have the function of ice melting. Content of the Utility Model

[0004] The purpose of the utility model is to provide an ice melting device for a sampling spiral drill barrel of a raw coal sampling machine to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] An ice melting device for a sampling spiral drill barrel of a raw coal sampling machine, including a housing and a spiral conveyor blade rotatably arranged inside the housing, an annular sleeve is movably arranged on the outer wall of the housing, and a plurality of heating pipes are uniformly arranged along the circumference inside the annular sleeve to heat the housing through air;

[0007] A driving mechanism is arranged between the housing and the annular sleeve. When the driving mechanism operates, it can drive the spiral conveyor blade and the annular sleeve to rotate. When the spiral conveyor blade and the annular sleeve rotate, they can convey the coal material and also drive the plurality of heating pipes to rotate around the housing;

[0008] A heat transfer mechanism is arranged on the outer wall of the housing, and the heat transfer mechanism is connected to the driving mechanism. The heat transfer mechanism is used to blow the air heated by the plurality of heating pipes to the end of the housing.

[0009] As a further scheme of the utility model:

[0010] The driving mechanism includes a bracket fixedly arranged on the housing and a rotating shaft rotatably arranged on the bracket. A gear ring is fixedly arranged on the outer wall of the annular sleeve, and a gear meshing with the gear ring is fixedly arranged at one end of the rotating shaft.

[0011] As a still further scheme of the utility model:

[0012] The driving mechanism further includes a motor fixedly arranged at one end of the housing, and the output end of the motor is fixedly connected to one end of the spiral conveyor blade;

[0013] A first sprocket is fixedly arranged on the outer wall of the spiral conveyor blade, a second sprocket is fixedly arranged at the other end of the rotating shaft, and the first sprocket and the second sprocket are connected by a chain.

[0014] As a further solution of the present utility model:

[0015] A first groove is formed on the outer wall of the housing, a second groove is formed on the inner side wall of the annular sleeve, and a plurality of ball bearings are fitted between the first groove and the second groove, wherein the plurality of ball bearings are evenly distributed.

[0016] As a further solution of the present utility model:

[0017] The heat transfer mechanism includes a volute fixedly arranged on the housing, and an air inlet and an air outlet are respectively arranged on the volute;

[0018] The air outlet corresponds to one side of the annular sleeve close to the motor.

[0019] As a further solution of the present utility model:

[0020] A rotating rod is rotatably arranged inside the volute, and an impeller is fixedly arranged on the outer wall of the rotating rod;

[0021] A driving pulley is fixedly arranged on the outer wall of the rotating shaft, a driven pulley is fixedly arranged at one end of the rotating rod, and the driving pulley and the driven pulley are connected by a belt.

[0022] As a further solution of the present utility model:

[0023] A feed inlet is formed at one end of the housing away from the motor, and a discharge outlet is formed on the side wall of the housing close to the motor.

[0024] Compared with the prior art, the beneficial effects of the present utility model are as follows: The driving mechanism can drive the spiral conveyor blade and the annular sleeve to rotate respectively. The rotating spiral conveyor blade will cooperate with the housing to sample and convey raw coal. A plurality of heating tubes will rotate outside the housing following the annular sleeve, which can not only uniformly heat the housing but also save the heating cost. Moreover, the heat transfer mechanism also cooperates with the driving mechanism, so that the air heated by the plurality of heating tubes is blown towards the end of the housing to facilitate heating the coal seam. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic structural diagram of the ice melting device for the sampling spiral drill barrel of the raw coal sampler.

[0026] Figure 2 It is a schematic structural diagram of another perspective of the ice melting device for the sampling screw drill of the raw coal sampling machine.

[0027] Figure 3 It is a sectional view of the outer shell in the ice melting device for the sampling screw drill of the raw coal sampling machine.

[0028] Figure 4 It is a half-sectional view of the ice melting device for the sampling screw drill of the raw coal sampling machine.

[0029] Figure 5 For Figure 4 The enlarged view at position A in

[0030] Figure 6 It is a sectional view of the volute in the ice melting device for the sampling screw drill of the raw coal sampling machine.

[0031] Figure 7 For Figure 6 The enlarged view at position B in

[0032] Figure 8 It is a partial structural split view of the ice melting device for the sampling screw drill of the raw coal sampling machine.

[0033] In the figure: 1. Outer shell; 101. Feed inlet; 102. Discharge outlet; 2. Screw conveyor blade; 3. Annular sleeve; 4. Heating pipe; 5. Bracket; 6. Rotating shaft; 7. Gear ring; 8. Gear; 9. Motor; 10. First sprocket; 11. Second sprocket; 12. Chain; 13. First groove; 14. Second groove; 15. Ball; 16. Volute; 1601. Air inlet; 1602. Air outlet; 17. Rotating rod; 18. Impeller; 19. Driving pulley; 20. Driven pulley; 21. Belt. Specific embodiments

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0035] In addition, the elements in the present invention are referred to as "fixed to" or "disposed on" another element, and it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation manner.

[0036] Please refer to Figures 1 to 8 In the embodiment of the present utility model, an ice melting device for a sampling spiral drill cylinder of a raw coal sampler includes a housing 1 and a spiral conveyor blade 2 rotatably disposed inside the housing 1. An annular sleeve 3 is movably disposed on the outer wall of the housing 1. A plurality of heating tubes 4 are uniformly arranged along the circumference inside the annular sleeve 3 to heat the housing 1 through air;

[0037] A driving mechanism is disposed between the housing 1 and the annular sleeve 3. When the driving mechanism operates, it can drive the spiral conveyor blade 2 and the annular sleeve 3 to rotate. When the spiral conveyor blade 2 and the annular sleeve 3 rotate, while conveying the coal material, it can also drive the plurality of heating tubes 4 to rotate around the housing 1;

[0038] A heat transfer mechanism is disposed on the outer wall of the housing 1. The heat transfer mechanism is connected to the driving mechanism and is used to blow the air heated by the plurality of heating tubes 4 to the end of the housing 1.

[0039] In this solution, the driving mechanism can be used to drive the spiral conveyor blade 2 and the annular sleeve 3 to rotate respectively. The rotating spiral conveyor blade 2 will cooperate with the housing 1 to sample and convey the raw coal. The plurality of heating tubes 4 will rotate outside the housing 1 following the annular sleeve 3, which can make the housing 1 evenly heated and also save the heating cost. And the heat transfer mechanism also cooperates with the driving mechanism, so that the air heated by the plurality of heating tubes 4 is blown to the end of the housing 1 to facilitate heating the coal seam.

[0040] As a further solution of the present utility model, the driving mechanism includes a bracket 5 fixedly disposed on the housing 1 and a rotating shaft 6 rotatably disposed on the bracket 5. A gear ring 7 is fixedly disposed on the outer wall of the annular sleeve 3, and a gear 8 meshing with the gear ring 7 is fixedly disposed at one end of the rotating shaft 6.

[0041] In this embodiment, during the rotation of the rotating shaft 6, it will drive the gear 8 to rotate. Also, because the gear ring 7 and the gear 8 are meshed with each other and the gear ring 7 is fixedly disposed on the outer wall of the annular sleeve 3, therefore, the gear ring 7 will drive the annular sleeve 3 to rotate following the gear 8;

[0042] The bracket 5 is used to rotatably support the rotating shaft 6.

[0043] As a further solution of the present utility model, the driving mechanism further includes a motor 9 fixedly disposed at one end of the housing 1, and the output end of the motor 9 is fixedly connected to one end of the spiral conveyor blade 2;

[0044] A first sprocket wheel 10 is fixedly arranged on the outer wall of the spiral conveying blade 2, and a second sprocket wheel 11 is fixedly arranged at the other end of the rotating shaft 6. The first sprocket wheel 10 and the second sprocket wheel 11 are connected by a chain 12.

[0045] In this embodiment, when the motor 9 is started, the output end of the motor 9 will drive the spiral conveying blade 2 and the first sprocket wheel 10 to rotate simultaneously. And the second sprocket wheel 11 is connected to the first sprocket wheel 10 through the chain 12. Therefore, the second sprocket wheel 11 will drive the rotating shaft 6 to rotate following the first sprocket wheel 10.

[0046] As a further solution of the present utility model, a first groove 13 is formed on the outer wall of the housing 1, and a second groove 14 is formed on the inner side wall of the annular sleeve 3. A plurality of balls 15 are fitted between the first groove 13 and the second groove 14. Among them, the plurality of balls 15 are evenly distributed.

[0047] In this embodiment, through the first groove 13, the second groove 14 and the plurality of fitted balls 15, the annular sleeve 3 is rotatably arranged on the outer wall of the housing 1. Therefore, when the toothed ring 7 rotates, the annular sleeve 3 will drive a plurality of heating tubes 4 to rotate on the outer wall of the housing 1.

[0048] As a further solution of the present utility model, the heat transfer mechanism includes a volute 16 fixedly arranged on the housing 1. An air inlet 1601 and an air outlet 1602 are respectively arranged on the volute 16;

[0049] The air outlet 1602 corresponds to one side of the annular sleeve 3 close to the motor 9.

[0050] In this embodiment, since the volute 16 is fixedly arranged on the housing 1, and the air outlet 1602 arranged on the volute 16 corresponds to the annular sleeve 3. Therefore, when high-speed fluid is generated inside the volute 16, the gas will be inhaled from the air inlet 1601 under the drive of centrifugal force, accelerated through the volute 16, and discharged from the air outlet 1602, so as to blow towards the annular sleeve 3.

[0051] As a further solution of the present utility model, a rotating rod 17 is rotatably arranged inside the volute 16, and an impeller 18 is fixedly arranged on the outer wall of the rotating rod 17;

[0052] A driving pulley 19 is fixedly arranged on the outer wall of the rotating shaft 6, and a driven pulley 20 is fixedly arranged at one end of the rotating rod 17. The driving pulley 19 and the driven pulley 20 are connected by a belt 21.

[0053] In this embodiment, during the rotation of the rotating shaft 6, the driving pulley 19 will be driven to rotate. At the same time, the driven pulley 20 will rotate following the driving pulley 19 through the belt 21. The rotating driven pulley 20 will drive the impeller 18 to rotate through the rotating rod 17. The rotating impeller 18 will cooperate with the volute 16, so that the gas is blown towards the annular sleeve 3, and the hot air driving the volute 16 is blown towards the end of the housing 1.

[0054] As a further solution of the present utility model, a feed inlet 101 is provided at one end of the housing 1 away from the motor 9, and a discharge outlet 102 is provided on the side wall of the housing 1 near the motor 9.

[0055] In this embodiment, when the spiral conveyor blade 2 rotates, raw coal will enter the interior of the housing 1 from the feed inlet 101, and the spiral conveyor blade 2 will cooperate with the housing 1 to discharge the raw coal from the discharge outlet 102, thereby realizing the raw coal sampling operation.

[0056] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0057] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A sampling spiral drill tube ice melting device for a raw coal sampling machine, comprising a housing (1) and a spiral conveying blade (2) rotatably arranged inside the housing (1), characterized in that: An annular sleeve (3) is movably provided on the outer wall of the outer shell (1), and a plurality of heating tubes (4) are evenly provided inside the annular sleeve (3) along its circumference, so as to heat the outer shell (1) through air; A driving mechanism is provided between the outer shell (1) and the annular sleeve (3). When the driving mechanism is in operation, the spiral conveying blade (2) and the annular sleeve (3) can be driven to rotate. When the spiral conveying blade (2) and the annular sleeve (3) rotate, the coal can be conveyed while driving the plurality of heating tubes (4) to rotate around the outer shell (1). The outer wall of the outer shell (1) is provided with a heat transfer mechanism, the heat transfer mechanism is connected to the driving mechanism, and the heat transfer mechanism is used to blow the air heated by the multiple heating tubes (4) toward the end of the outer shell (1).

2. The ice melting device for sampling spiral drill tube of raw coal sampling machine according to claim 1 is characterized in that: The driving mechanism comprises a bracket (5) fixedly arranged on the housing (1) and a rotating shaft (6) rotatably arranged on the bracket (5); a gear ring (7) is fixedly arranged on the outer wall of the annular sleeve (3); and a gear (8) meshing with the gear ring (7) is fixedly arranged at one end of the rotating shaft (6).

3. The ice melting device for sampling spiral drill tube of raw coal sampling machine according to claim 2 is characterized in that: The driving mechanism further comprises a motor (9) fixedly arranged at one end of the housing (1), and an output end of the motor (9) is fixedly connected to one end of the spiral conveying blade (2); A first sprocket (10) is fixedly arranged on the outer wall of the spiral conveying blade (2), and a second sprocket (11) is fixedly arranged on the other end of the rotating shaft (6); the first sprocket (10) and the second sprocket (11) are connected via a chain (12).

4. The ice melting device for sampling spiral drill tube of raw coal sampling machine according to claim 1 is characterized in that: The outer wall of the shell (1) is provided with a first groove (13), the inner wall of the annular sleeve (3) is provided with a second groove (14), a plurality of balls (15) are embedded between the first groove (13) and the second groove (14), wherein the plurality of balls (15) are evenly distributed.

5. The ice melting device for sampling spiral drill tube of raw coal sampling machine according to claim 3 is characterized in that: The heat transfer mechanism comprises a volute (16) fixedly arranged on the outer shell (1), and the volute (16) is respectively provided with an air inlet (1601) and an air outlet (1602); The air outlet (1602) corresponds to a side of the annular sleeve (3) close to the motor (9).

6. The ice melting device for sampling spiral drill tube of raw coal sampling machine according to claim 5 is characterized in that: A rotating rod (17) is rotatably disposed inside the volute (16), and an impeller (18) is fixedly disposed on the outer wall of the rotating rod (17); A driving pulley (19) is fixedly provided on the outer wall of the rotating shaft (6), and a driven pulley (20) is fixedly provided on one end of the rotating rod (17), and the driving pulley (19) and the driven pulley (20) are connected via a belt (21).

7. The ice melting device for sampling spiral drill tube of raw coal sampling machine according to claim 3 is characterized in that: An inlet (101) is provided at one end of the housing (1) away from the motor (9), and an outlet (102) is provided at a side wall of one end of the housing (1) close to the motor (9).

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