Flying dust prevention feeding pipe

Abstract

The utility model discloses a dust raising prevention feeding pipe which comprises a main pipeline used for conveying a coal sample; the extension pipe is arranged in a pipe opening of the main pipeline in a sliding manner along the length direction of the main pipeline, and can be arranged at a barrel opening of a sample collecting barrel in a sleeving manner after being extended in a sliding manner; the first baffle assembly is elastically and rotatably arranged at the pipe opening of the extension pipe, and is unfolded after abutting against the barrel opening of the sample collecting barrel, so that the main pipeline is communicated with the sample collecting barrel. According to the utility model, through the extension and contraction of the extension pipe, the extension pipe can be extended and sleeved at the barrel opening of the sample collecting barrel when the sample collecting barrel is fed, the first baffle assembly at the pipe opening is propped against and unfolded with the barrel opening of the sample collecting barrel to realize communication and avoid dust raising, and after sampling, the extension pipe retracts and the first baffle assembly resets, so that the sampling efficiency is improved. Dust is prevented from overflowing from the main pipeline and the extension pipe, and the dust suppression effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sample collector, more particularly to a dustproof feeding pipe. BACKGROUND

[0002] In the full-automatic plant coal sampling machine, the sample collector is the indispensable equipment for collecting coal sample storage, generally including the self-rotating turntable, a plurality of sampling barrels are detachably installed on the turntable, and the plurality of sampling barrels respectively receive different furnace coal samples conveyed by the feeding pipe through the rotation of the turntable, but the current device still has the following problems:

[0003] There is a gap between the top of the sample collecting barrel and the lower end of the feeding pipe, and a large amount of dust will be scattered out when the coal falls from the feeding port, causing pollution and disorder of the working environment. To this end, a dustproof feeding pipe is designed. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem that the dust is avoided when the coal falls.

[0005] In order to solve the above technical problem, the utility model adopts the following technical scheme: a dustproof feeding pipe, comprising:

[0006] The main pipeline is used for conveying coal samples;

[0007] The extension pipe is slidably arranged in the pipe opening of the main pipeline along the length direction of the main pipeline, and can be sleeved at the barrel opening of the sample collecting barrel after sliding extension;

[0008] The first baffle assembly is elastically rotatably arranged at the pipe opening of the extension pipe, and is unfolded after abutting against the barrel opening of the sample collecting barrel, so as to realize the communication between the main pipeline and the sample collecting barrel.

[0009] Further, it further comprises:

[0010] The dust suction port is arranged above the first baffle assembly of the main pipeline, and is used for connecting the dust suction assembly to the main pipeline and the extension pipe for dust removal after sampling.

[0011] Further, it further comprises:

[0012] The third baffle assembly is arranged at the dust suction port position of the main pipeline, and can be closed when the coal sample is taken and unfolded when the coal sample is not taken.

[0013] Further, the first gear is rotatably arranged outside the main pipeline, the first rack is slidably arranged, the first rack is engaged with the first gear, and the first rack is connected with the extension pipe.

[0014] Further, the first baffle assembly comprises two sealing plates elastically hinged on two sides of the extension pipe respectively, and the two sides of the two sealing plates of the extension pipe are respectively provided with downwardly inclined abutting plates, and the two sealing plates can abut against the abutting plates when unfolded.

[0015] Further, the third baffle assembly comprises a connecting ring rotationally arranged on the outer ring of the main pipe at the dust suction port, a plurality of triangular blocks having one end hingedly arranged on the main pipe at the dust suction port and located on the inner side of the connecting ring, and a plurality of connecting rods having one end hingedly connected with the inner wall of the connecting ring and the other end hingedly connected with one end of the plurality of triangular blocks, and the plurality of triangular blocks can be connected with each other to block the dust suction port and can be rotated with the connecting ring to communicate the dust suction port.

[0016] Further, the third baffle assembly further comprises a second gear rotationally arranged on the main pipe and a second rack slidingly arranged on the main pipe and engaged with the second gear, and the second rack is connected with the extension pipe, the connecting ring is connected with the second gear to realize coaxial rotation, and the second gear has a through hole communicated with the dust suction port.

[0017] The beneficial effects of the utility model lie in:

[0018] The dust-proof feeding pipe of the utility model can realize communication and avoid dust raising when the first baffle assembly is unfolded by abutting against the barrel opening of the sample collecting barrel during loading of the sample collecting barrel, and the extension pipe is extended and sleeved on the barrel opening of the sample collecting barrel. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the front view of the dust-proof feeding pipe of the utility model;

[0020] Figure 2 is the rear view of the dust-proof feeding pipe of the utility model;

[0021] Figure 3 is the front view of the dust-proof feeding pipe of the utility model in the unextended state;

[0022] Figure 4 is the front view of the dust-proof feeding pipe of the utility model in the extended state;

[0023] Figure 5 is Figure 4 the enlarged view of A of

[0024] The reference signs of the components in the drawings are as follows: 1, main pipeline; 2, extension pipe; 3, sample collecting barrel; 4, first baffle assembly; 401, sealing plate; 402, abutting plate; 5, dust suction port; 6, third baffle assembly; 601, connecting ring; 602, triangular block; 603, connecting rod; 604, second gear; 605, second rack; 7, first gear; 8, first rack. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The embodiments in the application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Referring to Figures 3-4 .

[0027] The utility model discloses dustproof feed pipe, including:

[0028] Main pipeline 1 is used for conveying coal sample;

[0029] Extension pipe 2 is slidably arranged in the pipe opening of the main pipeline 1 along the length direction of the main pipeline 1, and can be sleeved at the barrel opening of the sample collecting barrel 3 after sliding extension;

[0030] The first baffle assembly 4 is elastically rotatably arranged at the pipe opening of the extension pipe 2, and is unfolded after abutting against the barrel opening of the sample collecting barrel 3, so that the main pipeline 1 and the sample collecting barrel 3 are communicated.

[0031] The utility model discloses dustproof feed pipe, including:

[0032] In an embodiment, referring to Figures 3-4 Further comprising:

[0033] Dust suction port 5 is arranged above the first baffle assembly 4 of the main pipeline 1, and is used for connecting the dust suction assembly to the main pipeline 1 and the extension pipe 2 after sampling to remove dust. In this way, after sampling in the sample collecting barrel 3, dust is concentrated in the main pipeline 1 and the extension pipe 2 to prevent dust raising, and the subsequent sampling is not affected, and the dust in the main pipeline 1 and the extension pipe 2 can be removed through the dust suction port 5.

[0034] Specifically, the dust suction assembly can adopt the dust suction assembly in the prior art, and the dust suction port 5 can be connected to the pipeline of the dust suction assembly.

[0035] In an embodiment, referring to Figure 4 Further comprising:

[0036] The third baffle assembly 6 is arranged at the position of the dust suction port 5 of the main pipeline 1 and can be closed during sampling and unfolded during non-sampling. In this way, the third baffle assembly 6 is kept closed during sampling to avoid part of the coal sample entering the dust suction port 5.

[0037] In an embodiment, referring to Figure 1 The first gear 7 is arranged outside the main pipeline 1 to rotate, the first rack 8 is arranged to slide, the first rack 8 is engaged with the first gear 7, and the first rack 8 is connected with the extension pipe 2. In this way, the extension pipe 2 is extended and retracted through the gear and rack transmission;

[0038] Specifically, a sliding groove is formed on the main pipeline 1 to connect the first rack 8 with the extension pipe 2.

[0039] Specifically, the first gear 7 is rotated by a motor.

[0040] In an embodiment, referring to Figure 4 The first baffle assembly 4 includes two sealing plates 401 which are respectively elastically hinged on the two sides of the extension pipe 2, and the two sides of the extension pipe 2 corresponding to the two sealing plates 401 are respectively provided with downwardly inclined abutting plates 402, and the two sealing plates 401 can abut against the abutting plates 402 when unfolded. In this way, during sampling, the sealing plates 401 are unfolded, the main pipeline 1 and the extension pipe 2 are communicated, the sealing plates 401 of the first baffle assembly 4 abut against the abutting plates 402, and the coal sample is prevented from falling into the gap between the sealing plates 401 of the first baffle assembly 4 and the extension pipe 2;

[0041] Specifically, the sealing plates 401 of the first baffle assembly 4 are unfolded upward, and the top of the sealing plates 401 abuts against the bottom of the abutting plates 402.

[0042] In an embodiment, referring to Figure 5The third baffle assembly 6 comprises a connecting ring 601 rotatably arranged at the outer ring of the main pipeline 1 at the dust suction port 5, a plurality of triangular blocks 602 hingedly arranged at the main pipeline 1 at the dust suction port 5 and located at the inner side of the connecting ring 601, a plurality of connecting rods 603 hingedly connected with the inner wall of the connecting ring 601 and the one end of the plurality of triangular blocks 602, and the plurality of triangular blocks 602 can be connected with each other to block the dust suction port 5 and can be rotated with the connecting ring 601 to communicate the dust suction port 5. In this way, the opening and closing of the dust suction port 5 can be realized by rotating the connecting ring 601, and the structure is simple and convenient to operate.

[0043] Specifically, the connecting ring 601, the triangular blocks 602 and the connecting ring 601 are arranged in the wall of the main pipeline 1.

[0044] Specifically, the triangular blocks 702 are provided with five triangular blocks, and the connecting rods 703 are also provided with five connecting rods.

[0045] In an embodiment, referring to Figure 2 The third baffle assembly 6 further comprises a second gear 604 rotatably arranged on the main pipeline 1, a second rack 605 slidably arranged on the main pipeline 1 and engaged with the second gear 604, and the second rack 605 is connected with the extension pipe 2, the connecting ring 601 is connected with the second gear 604 to realize coaxial rotation, and the second gear 604 has a through hole communicated with the dust suction port 5. In this way, the opening and closing of the dust suction port 5 can be realized by rotating the connecting ring 601 driven by the movement of the extension pipe 2.

[0046] Specifically, when the extension pipe 2 is extended, the connecting ring 601 is rotated to close the dust suction port 5, and when the extension pipe 2 is retracted, the connecting ring 601 is rotated to open the dust suction port 5.

[0047] Specifically, the through hole can be provided with a connecting structure connected with the suction pipe of the dust suction assembly, which can be realized by the prior art, and will not be described here.

[0048] Specifically, the second rack 605 and the second gear 604 have a small number of teeth to ensure that the rotating path of the second gear 604 and the connecting ring 601 is small when the extension pipe 2 moves.

[0049] It should be noted that if the embodiment of the utility model has directionality indications such as up, down, left, right, front, back, etc., the directionality indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture, such as shown in the drawings, if the specific posture changes, the directionality indications also change accordingly.

[0050] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, "multiple" means more than two. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor is it within the protection scope required by the present application.

[0051] It should be understood that the examples and embodiments described herein are only for illustration and are not intended to limit the present application, and those skilled in the art can make various modifications or changes based on it, any modification, equivalent replacement, improvement and the like made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A dust-tight feed pipe, characterized in that The utility model relates to a coal sampling device, which comprises: a main pipeline (1) for conveying coal samples; an extension pipeline (2) slidingly arranged in the mouth of the main pipeline (1) along the length direction of the main pipeline (1) and capable of being sleeved on the mouth of a sample collecting barrel (3) after sliding extension; a first baffle assembly (4) elastically rotatingly arranged at the mouth of the extension pipeline (2) and capable of being unfolded after abutting against the mouth of the sample collecting barrel (3) to realize the communication between the main pipeline (1) and the sample collecting barrel (3).

2. The dust-lifting prevention feed pipe according to claim 1, characterized by The utility model further comprises: a dust suction port (5) formed above the main pipeline (1) at a position corresponding to the first baffle assembly (4) for connecting a dust suction assembly to the main pipeline (1) and the extension pipeline (2) for dust removal after sampling.

3. The dust-lifting prevention feed pipe according to claim 2, characterized in that, The utility model further comprises: a third baffle assembly (6) arranged at a position of the main pipeline (1) corresponding to the dust suction port (5) and capable of being closed during sampling and unfolded during non-sampling.

4. The dust-lifting prevention feed pipe according to claim 1, wherein The main pipeline (1) is externally rotatably provided with a first gear (7) and slidingly provided with a first rack (8), the first rack (8) is engaged with the first gear (7), and the first rack (8) is connected with the extension pipeline (2).

5. The dust-lifting prevention feed pipe according to claim 2, wherein The first baffle assembly (4) comprises two sealing plates (401) elastically hinged on both sides of the extension pipeline (2), respectively, and the extension pipeline (2) is further provided with a downwardly inclined abutting plate (402) on both sides of each of the two sealing plates (401), and the two sealing plates (401) can abut against the corresponding abutting plates (402) after being unfolded.

6. The dust-lifting prevention feed pipe according to claim 3, wherein The third baffle assembly (6) comprises a connecting ring (601) rotatably arranged on the outer ring of the main pipeline (1) at a position corresponding to the dust suction port (5), a plurality of triangular blocks (602) one end of which is hingedly arranged on the main pipeline (1) at a position corresponding to the dust suction port (5) and located on the inner side of the connecting ring (601), a plurality of connecting rods (603) one end of which is hingedly connected with the inner wall of the connecting ring (601) and the other end of which is one-to-one hingedly connected with one end of the plurality of triangular blocks (602), and the plurality of triangular blocks (602) can be mutually spliced to block the dust suction port (5) and can be rotated with the connecting ring (601) to communicate the dust suction port (5).

7. The dust-lifting prevention feed pipe according to claim 6, characterized in that The third baffle assembly (6) further comprises a second gear (604) rotatably arranged on the main pipeline (1), a second rack (605) slidingly arranged on the main pipeline (1) and engaged with the second gear (604), and the second rack (605) is connected with the extension pipeline (2), the connecting ring (601) is connected with the second gear (604) to realize coaxial rotation, and the second gear (604) has a through hole in communication with the dust suction port (5).

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