Mine filling pipeline dredging device

By introducing an extension and anti-loosening mechanism into the mine filling pipeline dredging device, the problems of nut loosening and insufficient length are solved, enabling flexible adjustment of drill rod length and improved stability, and making it suitable for various filling pipelines.

CN223717907UActive Publication Date: 2025-12-26YANTAI FUSHAN DISTRICT DINGSHENG MOLYBDENUM IND CO LTD
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Patent Information

Application Number
CN202423280281.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-26
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

In existing mine filling pipeline dredging devices, the nuts that adjust the overall diameter are prone to loosening, lack stability, and have limited length, resulting in poor applicability.

Method used

An extension mechanism and an anti-loosening mechanism are installed on the drill pipe. The extension mechanism achieves length adjustment through an extension rod and a pull ring, while the anti-loosening mechanism prevents loosening through a locking pin and a spring structure, ensuring the stability of diameter adjustment.

Benefits of technology

It enables flexible adjustment of drill pipe length and improves stability, making it suitable for filling pipelines of different lengths and improving filling efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of pipeline dredging devices, and particularly relates to a mine filling pipeline dredging device which comprises a drill rod, an extension mechanism is arranged in the drill rod, a fixing disc is fixedly connected to the outer side of the tail end of the drill rod, a first connecting arm is hinged to the fixing disc, and a sliding disc is slidably connected to the middle section of a rod body of the drill rod in a sleeved mode. A second connecting arm is hinged to the sliding disc, the second connecting arm is hinged to the first connecting arm, a fixed ball head rod is fixedly connected to the second connecting arm, and a connecting sleeve is movably connected to the tail end of the fixed ball head rod. The extension mechanism is arranged at the end of the drill rod, the extension rod is pulled out of the drill rod through the pull ring and the connecting piece, then the extension rod is rotated, and the clamping block on the extension rod is clamped into the clamping groove of the drill rod, so that the overall length is increased, and the device is suitable for filling pipelines with different lengths.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline dredging device technical field, specifically is a mine filling pipeline dredging device. BACKGROUND

[0002] Mine paste filling can effectively reduce the cavity and crack in underground mine, prevent the occurrence of collapse and landslide, during the paste filling process, affected by many factors, the filling pipeline can produce blockage, influence filling efficiency, therefore need to dredge.

[0003] Through the retrieval, the utility model discloses a mine filling pipeline dredging device, and the device is composed of a drill rod, a PDC drill bit, a drill cutter, a connecting rod, a support disc and a bottom nut. The top end of the drill rod is connected with the PDC drill bit through threads. The support disc is movably sleeved on the drill rod. The position of the support disc is adjusted by the cooperation of the bottom nut and the bottom threads. The top end of the connecting rod is hingedly connected with the drill cutter. The bottom end of the connecting rod is hingedly connected with the support disc through a universal ball. The device can compensate for the shortcomings of existing pipeline dredging methods and can be flexibly adjusted according to the diameter of the pipeline. It can quickly solve the filling problems in mines and improve the filling efficiency.

[0004] However, in the prior art, the nut used to adjust the overall diameter is prone to loosening between the drill rod, and the stability is not enough. Moreover, the overall length is limited, and the adaptability to filling pipelines of different lengths is poor. Therefore, improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a mine filling pipeline dredging device, which solves the problem of loosening between the nut used to adjust the overall diameter and the drill rod in the prior art, and the problem of poor stability. Moreover, it solves the problem of limited overall length and poor adaptability to filling pipelines of different lengths.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mine filling pipeline dredging device, comprising a drill rod, an extension mechanism is arranged inside the drill rod, a fixed disc is fixedly connected to the outside of the end of the drill rod, a connecting arm one is hingedly connected to the fixed disc, a sliding disc is slidably sleeved in the middle segment of the rod body of the drill rod, a connecting arm two is hingedly connected to the sliding disc, the connecting arm two is hingedly connected between the connecting arm one, a fixed ball head rod is fixedly connected to the connecting arm two, a connecting sleeve is movably connected to the end of the fixed ball head rod, a scraping strip is fixedly connected to the connecting sleeve, a threaded adjusting sleeve is connected to the middle segment of the rod body of the drill rod through threads, the threaded adjusting sleeve is in abutment with the sliding disc, and an anti-loosening mechanism is arranged on the threaded adjusting sleeve.

[0007] Preferably, the lengthening mechanism comprises a lengthening rod slidingly connected to the inside of the drill rod, one end of the lengthening rod is rotationally connected with a convex connecting block inside the inside of the drill rod, the inside of the drill rod is provided with a spring one, one end of the spring one is fixedly connected with the convex connecting block, the other end of the spring one is fixedly connected to the inner surface of the drill rod, a clamping block is fixedly connected to the rod body of the lengthening rod, the clamping block penetrates through the drill rod and is slidingly connected with the drill rod, and a clamping groove is formed in the rod body of the drill rod. Through the arrangement of the lengthening mechanism, the overall length can be lengthened, and the convenience of use is improved.

[0008] Preferably, one end of the lengthening rod is fixedly connected with a connecting piece outside the drill rod, and a pull ring is fixedly connected to the connecting piece. Through the arrangement of the connecting piece and the pull ring, the lengthening rod can be pulled conveniently.

[0009] Preferably, the anti-loosening mechanism comprises a hollow sleeve fixedly connected to the outside of the threaded adjusting sleeve, a locking pin is slidingly connected in the inside of the hollow sleeve, and the locking pin penetrates through the hollow sleeve, the locking pin penetrates through the threaded adjusting sleeve and is slidingly connected with the threaded adjusting sleeve, one end of the locking pin is inserted into the drill rod, the other end of the locking pin is fixedly connected with a pulling block, a stop block is fixedly connected to the pin body of the locking pin, the stop block is slidingly connected to the inside of the hollow sleeve, and a spring two is sleeved on the pin body of the locking pin. Through the arrangement of the anti-loosening mechanism, the threaded adjusting sleeve is prevented from loosening.

[0010] Preferably, the side edge of the stop block is provided with a ball, and the ball is in contact with the inner surface of the hollow sleeve. Through the arrangement of the ball, the friction between the stop block and the hollow sleeve can be reduced.

[0011] Preferably, one end of the spring two is fixedly connected with the stop block, and the other end of the spring two is fixedly connected to the inner surface of the hollow sleeve. Through the arrangement of the spring two, the elastic force can be applied to the locking pin through the stop block.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、 the utility model discloses a threaded adjusting sleeve is arranged on the screw adjusting sleeve for adjusting the overall diameter, and the anti-loosening mechanism contains the locking pin that is telescopic through the spring, the locking pin can be inserted into the surface of the drill rod under the action of the elastic force, and a plurality of long strip-shaped limiting grooves are formed in the surface of the drill rod and are used for the insertion of the locking pin, so that the threaded adjusting sleeve can be locked and fixed after adjustment, and the stability of the overall diameter after adjustment is guaranteed, and the threaded adjusting sleeve is not easy to loosen.

[0014] 2. The utility model discloses a lengthening mechanism is arranged at the end of the drill rod, wherein the lengthening rod is pulled out from the drill rod through the pull ring and the connecting sheet, then the lengthening rod is rotated, the clamping block on the lengthening rod is clamped into the clamping groove of the drill rod, the overall length is increased, and the filling pipeline of different lengths is applicable. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure perspective drawing of the utility model;

[0016] Figure 2 It is the drill rod internal partial structure schematic view of the utility model; Figure 1

[0017] Figure 3 It is the front view sectional view of the utility model; Figure 1

[0018] Figure 4 It is the A department structure enlarged view of the utility model; Figure 3

[0019] In the drawing: 1, drill rod; 2, lengthening mechanism; 3, fixed disc; 31, connecting arm one; 4, sliding disc; 41, connecting arm two; 5, threaded adjusting sleeve; 6, anti-loosening mechanism; 7, fixed ball head rod; 8, connecting sleeve; 9, scraping strip; 21, lengthening rod; 22, convex connecting block; 23, spring one; 24, clamping block; 25, connecting sheet; 26, pull ring; 27, clamping groove; 61, hollow sleeve; 62, locking pin; 63, pull block; 64, stop block; 65, ball; 66, spring two. DETAILED DESCRIPTION

[0020] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-3 A mine filling pipeline dredging device, including drill rod 1, the fixed disc 3 is fixedly connected to the end outside of drill rod 1, the connecting arm one 31 is hinged on the fixed disc 3, the sliding disc 4 is slidably sleeved in the middle section of the drill rod 1, the connecting arm two 41 is hinged on the sliding disc 4, the connecting arm two 41 and the connecting arm one 31 are hinged, the fixed ball head rod 7 is fixedly connected on the connecting arm two 41, the connecting sleeve 8 is movably connected to the end of the fixed ball head rod 7, the scraping strip 9 is fixedly connected on the connecting sleeve 8, the threaded adjusting sleeve 5 is connected by screwing in the middle section of the drill rod 1, and the threaded adjusting sleeve 5 is in contact with the sliding disc 4. ​​​

[0022] Please refer to Figures 1-3 , the inside of the drill pipe 1 is provided with an extension mechanism 2, through the setting of the extension mechanism 2, the overall length can be lengthened, the convenience of use is increased, the extension mechanism 2 includes the extension rod 21 which is slidably connected in the inside of the drill pipe 1, the extension rod 21 is rotatably connected with the convex connecting block 22 at one end inside the inside of the drill pipe 1, the inside of the drill pipe 1 is provided with the spring one 23, one end of the spring one 23 is fixedly connected with the convex connecting block 22, the other end of the spring one 23 is fixedly connected to the inner surface of the drill pipe 1, the rod body of the extension rod 21 is fixedly connected with the clamping block 24, the clamping block 24 penetrates the drill pipe 1 and is slidably connected with the drill pipe 1, the rod body of the drill pipe 1 is provided with the clamping groove 27, the rod body of the drill pipe 1 is provided with the sliding groove, the clamping block 24 is located in the sliding groove, and the sliding groove and the clamping groove 27 are arranged in a staggered manner, the one end of the extension rod 21 fixedly connected with the connecting piece 25 outside the drill pipe 1, the connecting piece 25 is fixedly connected with the pull ring 26. Through the setting of the connecting piece 25 and the pull ring 26, the extension rod 21 is pulled conveniently.

[0023] Please refer to Figures 3-4 , the threaded adjusting sleeve 5 is provided with an anti-loosening mechanism 6, through the setting of the anti-loosening mechanism 6, the threaded adjusting sleeve 5 has the anti-loosening effect, the anti-loosening mechanism 6 includes the hollow sleeve 61 which is fixedly connected to the outside of the threaded adjusting sleeve 5, the inside of the hollow sleeve 61 is slidably connected with the locking pin 62, and the locking pin 62 penetrates the hollow sleeve 61, the locking pin 62 penetrates the threaded adjusting sleeve 5 and is slidably connected with the threaded adjusting sleeve 5, one end of the locking pin 62 is inserted into the drill pipe 1, a circle of annular array distribution of long strip-shaped limiting grooves is arranged on the surface of the drill pipe 1 for the insertion of the locking pin 62, the other end of the locking pin 62 is fixedly connected with the pull block 63, the pin body of the locking pin 62 is fixedly connected with the stop block 64, the stop block 64 is slidably connected to the inside of the hollow sleeve 61, the pin body of the locking pin 62 is sleeved with the spring two 66, one end of the spring two 66 is fixedly connected with the stop block 64, the other end of the spring two 66 is fixedly connected to the inner surface of the hollow sleeve 61. Through the setting of the spring two 66, the elastic force can be applied to the locking pin 62 through the stop block 64, the side edge of the stop block 64 is provided with the ball 65, the ball 65 is in contact with the inner surface of the hollow sleeve 61. Through the setting of the ball 65, the friction between the stop block 64 and the hollow sleeve 61 can be reduced.

[0024] The utility model discloses specific implementation process as follows: when using, first through the pull -out 63 pull locking pin 62, locking pin 62 is compressed to spring two 66 through the block 64, then locking pin 62 and drill rod 1 are separated, and then remove the restriction to threaded adjusting sleeve 5, then screw threaded adjusting sleeve 5, threaded adjusting sleeve 5 can push slide plate 4 to slide on drill rod 1 through the threaded motion with drill rod 1, to make the folding between connecting arm one 31 and connecting arm two 41, to control the interval between the strip 9, satisfy the purpose of the filling pipeline of different pipe diameter and dredging, loosen pull -out 63 simultaneously, and locking pin 62 resets under the action of spring two 66, and inserts into the limiting groove of drill rod 1, like this can lock threaded adjusting sleeve 5, and then guarantee the stability after the directness of whole diameter adjustment, and it is not easy to loosen, in addition, pull -out 63 and connecting piece 25 and pull out extension rod 21 from drill rod 1, then rotate extension rod 21, and the clamping block 24 on extension rod 21 is clamped into the clamping groove 27 of drill rod 1, like this the length of whole increases, and it is convenient for the filling pipeline of different length.

[0025] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mine filling pipe line clearing device comprising a drill pipe (1), characterized in that: The inside of the drill rod (1) is provided with an extension mechanism (2), the end outside of the drill rod (1) is fixedly connected with a fixed disc (3), the fixed disc (3) is hingedly connected with a connecting arm one (31), the middle section of the rod body of the drill rod (1) is slidably sleeved with a sliding disc (4), the sliding disc (4) is hingedly connected with a connecting arm two (41), the connecting arm two (41) is hingedly connected between the connecting arm one (31), the connecting arm two (41) is fixedly connected with a fixed ball head rod (7), the end of the fixed ball head rod (7) is movably connected with a connecting sleeve (8), the connecting sleeve (8) is fixedly connected with a scraping strip (9), the middle section of the rod body of the drill rod (1) is threadedly connected with a threaded adjusting sleeve (5), the threaded adjusting sleeve (5) is in abutment with the sliding disc (4), the threaded adjusting sleeve (5) is provided with an anti-loosening mechanism (6).

2. A mine filling pipeline clearing device according to claim 1, characterised in that: The extension mechanism (2) comprises an extension rod (21) slidably connected in the inside of the drill rod (1), one end of the extension rod (21) is rotatably connected with a convex connecting block (22) in the inside of the drill rod (1), the inside of the drill rod (1) is provided with a spring one (23), one end of the spring one (23) is fixedly connected with the convex connecting block (22), the other end of the spring one (23) is fixedly connected to the inner surface of the drill rod (1), the rod body of the extension rod (21) is fixedly connected with a clamping block (24), the clamping block (24) penetrates through the drill rod (1) and is slidably connected with the drill rod (1), and the rod body of the drill rod (1) is provided with a clamping groove (27).

3. A mine filling pipeline clearing device according to claim 2, characterised in that: One end of the extension rod (21) located outside the drill rod (1) is fixedly connected with a connecting piece (25), and the connecting piece (25) is fixedly connected with a pull ring (26).

4. A mine filling pipeline clearing device according to claim 1, characterised in that: The anti-loosening mechanism (6) comprises a hollow sleeve (61) fixedly connected to the outside of the threaded adjusting sleeve (5), the inside of the hollow sleeve (61) is slidably connected with a locking pin (62), and the locking pin (62) penetrates through the hollow sleeve (61), the locking pin (62) penetrates through the threaded adjusting sleeve (5) and is slidably connected with the threaded adjusting sleeve (5), one end of the locking pin (62) is inserted into the drill rod (1), the other end of the locking pin (62) is fixedly connected with a pulling block (63), the pin body of the locking pin (62) is fixedly connected with a stop block (64), the stop block (64) is slidably connected to the inside of the hollow sleeve (61), and the pin body of the locking pin (62) is sleeved with a spring two (66).

5. A mine backfill line clearing device according to claim 4, characterised in that: The side edge of the stop block (64) is provided with a ball (65), and the ball (65) is in contact with the inner surface of the hollow sleeve (61).

6. A mine backfill line clearing device according to claim 4, characterised in that: One end of the spring two (66) is fixedly connected with the stop block (64), and the other end of the spring two (66) is fixedly connected to the inner surface of the hollow sleeve (61).

Citation Information

Patent Citations

  • A mine filling pipeline dredging device

    CN221032433U