Sampling device for coal as fired

Abstract

The utility model relates to the technical field of sampling devices, in particular to a sampling device for coal as fired, which comprises a sampling barrel, a feedback rod and a feedback component, the feedback assembly comprises a first contact and a second contact, an auger is arranged on the inner side of the sampling barrel and rotationally connected with the sampling barrel, a feedback rod is arranged on the inner side of the auger and slidably connected with the auger, the second contact is arranged above the feedback rod, the first contact is arranged above the second contact, and the first contact and the second contact are arranged in a separated mode. A hydraulic rod is arranged above the sampling barrel, a support is arranged on the outer side of the sampling barrel, a control module is arranged on one side of the support, and a conveying belt is arranged on one side of the support; the feedback rod and the feedback assembly are additionally arranged in the auger, when the sampling barrel is pressed down to make contact with the bottom of a carriage, the feedback rod slides relative to the auger and makes contact with the feedback assembly to generate an electric signal, the control module stops pressing down the sampling barrel according to the electric signal, and damage caused by collision between the sampling device and the bottom of the carriage is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling device technical field especially for the sampling device for coal into the furnace. BACKGROUND

[0002] The sampling device for coal into the furnace is the equipment for collecting coal sample to ensure that the collected coal sample is representative and can accurately reflect the quality of coal into the furnace.

[0003] The existing sampling device for coal into the furnace often uses the sampling cylinder insertion into the carriage to sample when sampling coal in the carriage, but the insertion depth of the sampling cylinder of most sampling devices using this way is mostly preset or controlled by manual, when the height scale of the carriage changes, the sampling cylinder is easy to collide with the bottom of the carriage, thereby causing the damage of the sampling cylinder or the carriage.

[0004] Therefore, aiming at the above problems, a sampling device for coal into the furnace can be designed, and a feedback mechanism is added to automatically stop when the sampling cylinder contacts the bottom of the carriage. SUMMARY

[0005] In order to overcome the problem that most sampling devices for coal into the furnace often use the sampling cylinder insertion into the carriage to sample when sampling coal in the carriage, but the insertion depth of the sampling cylinder of most sampling devices using this way is mostly preset or controlled by manual, when the height scale of the carriage changes, the sampling cylinder is easy to collide with the bottom of the carriage, thereby causing the damage of the sampling cylinder or the carriage.

[0006] The technical scheme of the utility model is: a sampling device for coal into the furnace, comprising a sampling cylinder, a feedback rod and a feedback assembly; the feedback assembly comprises a first contact and a second contact, the inside of the sampling cylinder is provided with an auger, the auger is rotationally connected with the sampling cylinder, the inside of the auger is provided with the feedback rod, the feedback rod is slidingly connected with the auger, the upper side of the feedback rod is provided with the second contact, the upper side of the second contact is provided with the first contact, the first contact and the second contact are separately arranged, the upper side of the sampling cylinder is provided with a hydraulic rod, the outside of the sampling cylinder is provided with a support, one side of the support is provided with a control module, the control module is electrically connected with the first contact and the second contact, and one side of the support is provided with a conveying belt.

[0007] Preferably, the bottom of the support is provided with a base, one side of the upper side of the support is provided with a first driving motor, the output end of the first driving motor is provided with a threaded screw rod, the upper side of the support is provided with a sliding frame, the sliding frame is threadedly connected with the threaded screw rod, and the sliding frame is slidingly connected with the support.

[0008] Preferably, the upper side of the support is provided with a guide groove, the bottom of the sliding frame is provided with a guide block, and the guide block and the guide groove are mutually embedded and slidingly connected.

[0009] The upper portion of the sampling cylinder is provided with a fixing frame, the upper portion of the fixing frame is provided with a second driving motor, the output end of the second driving motor is provided with a transmission belt, and one side of the sampling cylinder is provided with a discharging pipe.

[0010] The upper portion of the auger is provided with a movable bin, the inner side of the movable bin is provided with a first spring, the outer side of the auger is provided with a limiting ring, and the limiting ring is in sliding connection with the inner wall of the movable bin.

[0011] The upper portion of the fixing frame is provided with a mounting plate, the middle bottom of the mounting plate is provided with a first elastic sheet, and the first contact point is located at the bottom of the first elastic sheet.

[0012] The bottom of the first elastic sheet is provided with a second elastic sheet, the second contact point is located above the second elastic sheet, the second elastic sheet is arranged at a distance from the first elastic sheet, and the first elastic sheet and the second elastic sheet are provided with a second spring.

[0013] The utility model discloses the beneficial effects of:

[0014] The hydraulic rod pushes the sampling cylinder to insert into the coal pile inside the carriage, the auger rotates to convey the coal in the sampling cylinder to the conveying belt, when the feedback rod contacts the bottom of the carriage, the feedback rod slides upwards in the auger and pushes the first contact point to contact the second contact point to generate an electric signal, and the control module stops the hydraulic rod after receiving the electric signal, preventing the sampling cylinder from continuing to move downwards and colliding with the carriage. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model discloses a three-dimensional structure schematic diagram of the sampling device for the furnace coal is shown.

[0016] Figure 2 The utility model discloses a three-dimensional structure schematic diagram of the sampling cylinder of the sampling device for the furnace coal is shown.

[0017] Figure 3 The utility model discloses a three-dimensional structure schematic diagram of the auger of the sampling device for the furnace coal is shown.

[0018] Figure 4 The utility model discloses a three-dimensional structure schematic diagram of the first contact point of the sampling device for the furnace coal is shown.

[0019] Explanation of reference signs: 1, sampling cylinder; 2, auger; 3, feedback rod; 4, first contact; 5, second contact; 6, support; 7, control module; 8, hydraulic rod; 9, conveying belt; 101, fixing frame; 102, second drive motor; 103, transmission belt; 104, discharge pipe; 301, limiting ring; 302, first spring; 303, movable bin; 401, first elastic sheet; 402, second elastic sheet; 403, second spring; 404, mounting plate; 601, base; 602, guide groove; 603, first drive motor; 604, threaded screw rod; 605, sliding frame; 606, guide block. DETAILED DESCRIPTION

[0020] The utility model is further explained in connection with the drawings and examples.

[0021] Please refer to Figures 1-4 The utility model provides a kind of embodiment: for the sampling device of furnace coal, including sampling cylinder 1, feedback rod 3 and feedback assembly;Feedback assembly includes first contact 4 and second contact 5, the inside of sampling cylinder 1 is provided with auger 2, auger 2 is rotatably connected with sampling cylinder 1, the inside of auger 2 is provided with feedback rod 3, feedback rod 3 is slidably connected with auger 2, the top of feedback rod 3 is provided with second contact 5, the top of second contact 5 is provided with first contact 4, first contact 4 is separately arranged with second contact 5, the top of sampling cylinder 1 is provided with hydraulic rod 8, the outside of sampling cylinder 1 is provided with support 6, one side of support 6 is provided with control module 7, control module 7 is electrically connected with first contact 4 and second contact 5, one side of support 6 is provided with conveying belt 9;Support 6 installs and supports other components of device, when sampling, hydraulic rod 8 pushes sampling cylinder 1 and inserts into the coal pile inside carriage, auger 2 rotates and is sent to conveying belt 9 to the coal in sampling cylinder 1, when feedback rod 3 contacts carriage bottom, feedback rod 3 slides upwards in auger 2, and first contact 4 is contacted with second contact 5 to generate electric signal, control module 7 receives electric signal to make hydraulic rod 8 stop, prevent sampling cylinder 1 from continuing to move downwards and collides with carriage.

[0022] Please refer to Figures 1-2In the embodiment, the bottom of the support 6 is provided with a base 601, the upper side of the support 6 is provided with a first driving motor 603, the output end of the first driving motor 603 is provided with a threaded screw rod 604, the upper side of the support 6 is provided with a sliding frame 605, the sliding frame 605 is threadedly connected with the threaded screw rod 604, the sliding frame 605 is slidingly connected with the support 6, the upper side of the support 6 is provided with a guide groove 602, the bottom of the sliding frame 605 is provided with a guide block 606, the guide block 606 and the guide groove 602 are mutually embedded and slidingly connected; the base 601 is used for fixing the support 6 to the ground, the first driving motor 603 drives the threaded screw rod 604 to rotate, drives the sliding frame 605 to slide, so as to adjust the position of the sampling cylinder 1, the embedding of the guide block 606 and the guide groove 602 guides the sliding of the sliding frame 605.

[0023] Please refer to Figure 2 In the embodiment, the upper side of the sampling cylinder 1 is provided with a fixing frame 101, the upper side of the fixing frame 101 is provided with a second driving motor 102, the output end of the second driving motor 102 is provided with a transmission belt 103, one side of the sampling cylinder 1 is provided with a discharge pipe 104; the fixing frame 101 is used for connecting and fixing the sampling cylinder 1 to the hydraulic rod 8, the second driving motor 102 can drive the auger 2 to rotate through the transmission belt 103

[0024] Please refer to Figure 3 In the embodiment, the upper side of the auger 2 is provided with a movable bin 303, the inner side of the movable bin 303 is provided with a first spring 302, the outer side of the auger 2 is provided with a limiting ring 301, the limiting ring 301 is slidingly connected with the inner wall of the movable bin 303; the first spring 302 provides a certain pressure for the limiting ring 301, so as to prevent the feedback rod 3 from sliding upwardly in the inner side of the movable bin 303 due to contacting the coal blocks.

[0025] Please refer to Figure 4 In the embodiment, the upper side of the fixing frame 101 is provided with a mounting plate 404, the middle bottom of the mounting plate 404 is provided with a first spring piece 401, the first contact 4 is located at the bottom of the first spring piece 401, the bottom of the first spring piece 401 is provided with a second spring piece 402, the second contact 5 is located above the second spring piece 402, the second spring piece 402 is provided at a distance from the first spring piece 401, and the second spring piece 402 and the first spring piece 401 are provided with a second spring 403; the mounting plate 404 suspends the first spring piece 401 and the second spring piece 402, the second spring 403 pushes the first spring piece 401 and the second spring piece 402 to separate, so as to separate the first contact 4 and the second contact 5.

[0026] When sampling, the threaded screw rod 604 is driven to rotate by the first driving motor 603, the sliding frame 605 is driven to slide above the support 6, the position of the sampling cylinder 1 is adjusted, then the fixed frame 101 is pushed down by the hydraulic rod 8, the sampling cylinder 1 is inserted into the coal pile, the second driving motor 102 drives the auger 2 to rotate, the coal in the sampling cylinder 1 is transported, and is discharged from the discharge pipe 104 to fall into the conveying belt 9 for transportation, when the feedback rod 3 contacts the bottom of the carriage, the feedback rod 3 slides upwards in the auger 2, and the second elastic sheet 402 is driven to move towards the first elastic sheet 401, so that the first contact 4 contacts the second contact 5, an electric signal is generated after the first contact 4 contacts the second contact 5, the control module 7 stops the elongation of the hydraulic rod 8 immediately after receiving the electric signal, and collision of the sampling cylinder 1 with the bottom of the carriage is prevented.

[0027] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A sampling device for coal to be charged into a furnace, comprising a sampling cylinder (1); characterized in that: Also include feedback rod (3) and feedback assembly; feedback assembly includes first contact (4) and second contact (5), the inside of the sampling cylinder (1) is provided with an auger (2), the auger (2) is rotatably connected with the sampling cylinder (1), the inside of the auger (2) is provided with a feedback rod (3), the feedback rod (3) is slidably connected with the auger (2), the upper side of the feedback rod (3) is provided with a second contact (5), the upper side of the second contact (5) is provided with a first contact (4), the first contact (4) and the second contact (5) are separately arranged, the upper side of the sampling cylinder (1) is provided with a hydraulic rod (8), the outside of the sampling cylinder (1) is provided with a support (6), one side of the support (6) is provided with a control module (7), the control module (7) is electrically connected with the first contact (4) and the second contact (5), one side of the support (6) is provided with a conveyor belt (9).

2. A device for sampling coal for feed to a furnace as claimed in claim 1 wherein: The bottom of the support (6) is provided with a base (601), the upper side of the support (6) is provided with a first drive motor (603), the output end of the first drive motor (603) is provided with a threaded screw rod (604), the upper side of the support (6) is provided with a sliding frame (605), the sliding frame (605) is threadedly connected with the threaded screw rod (604), and the sliding frame (605) is slidably connected with the support (6).

3. A device for sampling coal for feed to a furnace as claimed in claim 2, characterised in that: The upper side of the support (6) is provided with a guide groove (602), and the bottom of the sliding frame (605) is provided with a guide block (606).

4. The apparatus for sampling coal for a coal-fired furnace according to claim 1, wherein: The upper side of the support (6) is provided with a guide groove (602), and the bottom of the sliding frame (605) is provided with a guide block (606).

5. The apparatus for sampling coal for a coal-fired furnace according to claim 1, wherein: The upper side of the sampling cylinder (1) is provided with a fixed frame (101), the upper side of the fixed frame (101) is provided with a second drive motor (102), the output end of the second drive motor (102) is provided with a transmission belt (103), one side of the sampling cylinder (1) is provided with a discharge pipe (104).

6. The apparatus for sampling coal for feed to a furnace as defined in claim 4, wherein: The upper side of the auger (2) is provided with a movable bin (303), the inside of the movable bin (303) is provided with a first spring (302), the outside of the auger (2) is provided with a limiting ring (301), and the limiting ring (301) is slidably connected with the inner wall of the movable bin (303).

7. A device for sampling coal for feed to a furnace as claimed in claim 6 wherein: The upper side of the fixed frame (101) is provided with a mounting plate (404), the middle bottom of the mounting plate (404) is provided with a first spring piece (401), and the first contact (4) is located at the bottom of the first spring piece (401). The bottom of the first spring piece (401) is provided with a second spring piece (402), the second contact (5) is located above the second spring piece (402), the second spring piece (402) is arranged at a distance from the first spring piece (401), and the second spring piece (402) is arranged at a distance from the first spring piece (401). The second spring (403) is arranged between the first spring piece (401) and the second spring piece (402).

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