Full-hydraulic underground drill rig for coal mine

By adding support cylinders and columns, and strengthening the connecting plate and bracket, the stability problem of the fully hydraulic tunnel drilling rig for coal mines during drilling operations was solved, achieving a more stable drilling process.

CN223523676UActive Publication Date: 2025-11-07SHANDONG XIANGDE ELECTROMECHANICAL
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520020411.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-11-07
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing fully hydraulic tunnel drilling rigs used in coal mines have poor stability during drilling operations, especially the insufficient stability of the feed structure, which affects the stability of the drilling process.

Method used

The number of support cylinders is increased, and double-sided support is achieved through the setting of four columns and support cylinders. At the same time, the strength of the connecting plate and bracket is enhanced, and the guide rail and slider structure is adopted to adapt to the complex downhole environment.

Benefits of technology

It enhances the overall stability of the drilling rig, ensures the stability of the feed structure, adapts to complex downhole conditions, avoids slippage and jamming, and improves the stability and efficiency of drilling.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223523676U_ABST
    Figure CN223523676U_ABST
Patent Text Reader

Abstract

The utility model relates to a full-hydraulic underground drill rig for a coal mine, which comprises a rotary disc and a feeding mechanism, and is characterized by comprising a bracket connected with the feeding mechanism, two connecting discs connected with the bracket and arranged longitudinally, and a supporting assembly arranged corresponding to the connecting discs, supporting oil cylinders stretching out in the height direction are arranged in the two stand columns, the two stand columns are connected with a rotary drive driving the connecting disc to rotate, and the two supporting assemblies are installed on a rotary disc of the machine frame. Through the arrangement of the four stand columns and the four supporting oil cylinders, the four supporting oil cylinders are used for supporting, so that the stability of the drilling machine is enhanced, meanwhile, the two supporting assemblies support the bracket to support the feeding structure, and therefore the feeding structure is supported on the two sides, and the stability of the feeding structure is enhanced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coal mine, especially to the technical field of coal mine drilling machine, specifically refers to a kind of full hydraulic tunnel drilling machine for coal mine. BACKGROUND

[0002] When coal mining, multiple gas drainage holes need to be drilled in coal mine underground, so the full hydraulic tunnel drilling machine for coal mine is an important coal mine device. In the existing full hydraulic tunnel drilling machine for coal mine, the operation mode is to position the drilling machine first, then drill the hole. When the hole operation is completed, the drilling machine needs to be moved and positioned again for the construction of the next hole.

[0003] The existing full hydraulic tunnel drilling machine for coal mine supports the drilling machine in the tunnel by two upper stable hydraulic cylinders and a base. Since the top plate and the bottom plate are uneven, the stability of the drilling machine is poor when only supported by the two upper stable hydraulic cylinders. The feeding mechanism is only supported on one side, which affects the stability of the feeding mechanism during actual drilling. SUMMARY

[0004] The utility model provides a kind of full hydraulic tunnel drilling machine for coal mine to the deficiency of prior art, increase support cylinder, increase support strength, and support feeding mechanism on both sides to enhance the stability of feeding mechanism.

[0005] The utility model is realized by the following technical scheme. A full hydraulic tunnel drilling machine for coal mine includes a rotary disc and a feeding mechanism, a bracket connected to the feeding mechanism, two connection discs connected to the bracket and arranged longitudinally, and a support assembly corresponding to the connection disc. The support assembly includes two columns arranged horizontally, two support cylinders extending in the height direction inside the columns, and a rotary drive connected to the columns to rotate the connection discs. The two support assemblies are installed on the rotary disc of the rack.

[0006] When using the utility model, four support cylinders are arranged to support the drilling machine, thereby enhancing the stability of the drilling machine. The two support assemblies support the feeding mechanism through the bracket, thereby supporting the feeding mechanism. Therefore, the feeding mechanism is supported on both sides, thereby enhancing the stability of the feeding mechanism.

[0007] Preferably, the end surface of the connection disc away from the rotary drive is provided with a plurality of first reinforcing ribs extending in the height direction, and a second reinforcing rib extending transversely to connect the vertical reinforcing ribs. The side surface of the first reinforcing rib close to the feeding mechanism is inclined from outside to inside from top to bottom.

[0008] The first and second reinforcing ribs are arranged to enhance the strength of the connecting plate, and the inclined surface is arranged to avoid interference between the first reinforcing rib and the feeding structure.

[0009] Preferably, the bracket bottom surface is provided with a third reinforcing rib extending longitudinally and located between the two connecting plates, the third reinforcing rib is arranged corresponding to the first reinforcing rib, and the two ends of the third reinforcing rib are connected with the two first reinforcing ribs respectively.

[0010] The third reinforcing rib is arranged to enhance the support strength of the bracket, and the two first reinforcing ribs are connected to enhance the connection strength between the two connecting plates and the bracket.

[0011] Preferably, the bracket bottom surface is provided with a fourth reinforcing rib extending transversely and connecting the third reinforcing rib. The fourth reinforcing rib is arranged to enhance the connection strength between the bracket and the third reinforcing rib.

[0012] Preferably, the rack is provided with a transversely extending guide rail below the rack, and a sliding block slidingly connected to the guide rail is arranged on the rack, the sliding block comprises a first horizontal plate slidingly connected to the guide rail, a first vertical plate connected to the first horizontal plate and located on the side of the guide rail, and a second horizontal plate connected to the bottom end of the first vertical plate, and a channel for inserting the guide rail is formed between the first horizontal plate, the second horizontal plate and the first vertical plate.

[0013] The guide rail and the sliding block are arranged to be suitable for the condition of floating coal in the well, and the track type is easy to be depressed and unable to walk in this working condition. The channel is arranged to facilitate the positioning of the sliding block and the guide rail.

[0014] Preferably, the channel is further provided with an adjusting side plate located between the guide rail and the first vertical plate, and the first vertical plate is threadedly connected with an adjusting bolt in contact with the adjusting side plate.

[0015] The adjusting bolt is arranged to adjust the position of the adjusting side plate to prevent sliding jam caused by the gap on the side.

[0016] Preferably, the bottom surface of the first horizontal plate is provided with a groove, and a sliding plate is arranged in the groove. The sliding plate is made of phenolic cloth to reduce friction.

[0017] The utility model discloses beneficial effect is: through the setting of four stand and four support oil jar, four support oil jar supports, thereby strengthens the stability of rig, and two support components support the bracket, thereby supports the structure of giving and goes to, therefore realizes to the structure of giving and goes to the bilateral support, thereby strengthens the stability of structure of giving and goes, through the setting of first reinforcing rib and second reinforcing rib, strengthens the intensity of connecting disc, through the setting of inclined plane, avoids the interference of first reinforcing rib and structure of giving and goes, through the setting of third reinforcing rib, strengthens the support strength of bracket, and through connecting two first reinforcing ribs, thereby connects two connecting discs, thereby strengthens the connecting strength of two connecting discs and bracket, through the setting of adjusting bolt, adjusts the position of adjusting side plate, prevents the sliding jam of the gap of side surface, through the setting of guide rail and sliding block, is applicable to the condition that the coal in the well is more, and the crawler type is used under this working condition and is easy to be dented and cannot walk, and the setting of passageway is convenient for the positioning of sliding block and slide rail. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is overhead schematic view at stand and bracket place;

[0019] Figure 2 It is main view schematic view at stand and bracket place;

[0020] Figure 3 It is three-dimensional schematic view at bracket place;

[0021] Figure 4 It is three-dimensional schematic view at another angle of bracket;

[0022] Figure 5 It is schematic view at sliding block and slide rail place;

[0023] Figure 6 It is structure main view schematic view of the utility model;

[0024] Figure 7 It is three-dimensional schematic view of sliding block;

[0025] Figure 8 It is schematic view of stand and support oil jar;

[0026] In the drawing:

[0027] 1, slide rail, 2, sliding block, 3, rotary disc, 4, stand, 5, sliding sleeve, 6, bracket, 7, first reinforcing rib, 8, connecting disc, 9, support oil jar, 10, adjusting side plate, 11, structure of giving and going, 12, second reinforcing rib, 13, third reinforcing rib, 14, fourth reinforcing rib, 15, sliding plate, 16, adjusting bolt, 17, first horizontal plate, 18, first vertical plate, 19, second horizontal plate. DETAILED DESCRIPTION

[0028] In order to clearly illustrate the technical features of the scheme, the scheme will be described below through specific embodiments.

[0029] Referring to the drawings Figures 1-8 The utility model discloses a full hydraulic tunnel drilling machine for coal mine, including frame, be equipped with slewing disc 3 and feed mechanism 11 on the frame to drive the driving device of slewing disc 3, and feed mechanism includes drilling mechanism, and feed driving that drives drilling structure feed, driving device, feed mechanism 11 are prior art.

[0030] Frame still has the bracket 6 of supporting feed structure and being connected with feed mechanism 11, and the bracket 6 is connected with two connecting discs 8 of longitudinal arrangement, and the slewing disc 3 is bolted with the support assembly of corresponding setting with connecting disc 8, and the support assembly includes two uprights 4 of along horizontal arrangement, and two uprights 4 are equipped with the support oil cylinder 9 of extending along the height direction, and two uprights 4 are connected with the slewing drive of driving connecting disc 8 rotation, and the slewing drive is prior art, and the slewing drive is fixedly connected with the slide sleeve 5 of corresponding setting and being sleeved on the upright 4 on the upright 4, and the slide sleeve 5 is fixedly connected with the upright 4, and the support of slewing drive is fixedly connected on two slide sleeves.

[0031] The end surface of connecting disc 8 away from slewing drive is equipped with a plurality of first reinforcing ribs 7 along the height direction extension, and the second reinforcing rib 12 of horizontal extension connection vertical reinforcing rib, and the side of first reinforcing rib 7 close to feed mechanism 11 is inclined from outside to inside from top to bottom.

[0032] The bottom surface of bracket 6 is equipped with the third reinforcing rib 13 of longitudinal extension and being located between two connecting discs 8, and the third reinforcing rib 13 is correspondingly arranged with first reinforcing rib 7, and the both ends of third reinforcing rib 13 are connected with two first reinforcing ribs 7 respectively.

[0033] The bottom surface of bracket 6 still has the fourth reinforcing rib 14 of horizontal extension and being connected with third reinforcing rib 13.

[0034] The bottom surface of bracket 6 still has the fourth reinforcing rib 14 of horizontal extension and being connected with third reinforcing rib 13.

[0035] The bottom surface of bracket 6 still has the fourth reinforcing rib 14 of horizontal extension and being connected with third reinforcing rib 13.

[0036] The utility model discloses when using, through the setting of four stand 4 and four support oil cylinder 9, make four support oil cylinder 9 support, thereby enhance the stability of rig, and two support subassembly support through the support of bracket 6, thereby support the feeding structure, thus realize to the feeding structure carries out bilateral support, thereby enhance the stability of feeding structure, through the setting of first reinforcing rib 7 and second reinforcing rib 12, enhance the strength of connecting disc 8, through the setting of bevel, avoid first reinforcing rib 7 and feeding structure interference, through the setting of third reinforcing rib 13, enhance the support strength of bracket 6, and through connecting two first reinforcing rib 7, thereby connect two connecting disc 8, thereby enhance the connecting strength of two connecting disc 8 and bracket 6, through the setting of adjusting bolt 16 adjustment side plate 10's position, prevent the existence of gap on the side and lead to sliding jam, through the setting of guide rail and sliding block 2, be applicable to the situation that there is more floating coal in the well, and the crawler type is used under this working condition and is easy to be concave and cannot walk, and the setting of passageway is convenient for the positioning of sliding block 2 and slide rail 1.

[0037] Of course, the above description is not limited to the above examples, and the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here. The above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not a limitation of the utility model. The preferred embodiments of the utility model are described in detail, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model and should belong to the protection scope of the claims of the utility model.

Claims

1. A full-hydraulic raise drill for coal mines, comprising a rotary table (3) and a feed mechanism (11), characterized in that: The device comprises a bracket (6) connected to a feeding mechanism, two connecting plates (8) connected to the bracket (6) and arranged longitudinally, and a support assembly arranged correspondingly to the connecting plates (8), which comprises two columns (4) arranged transversely, the columns (4) are provided with support oil cylinders (9) extending in the height direction, and the columns (4) are connected with rotary drives for driving the connecting plates (8) to rotate, and the two support assemblies are installed on a rotary disc (3) of the frame.

2. The full-hydraulic raise drill for coal mines according to claim 1, characterized in that: The end surface of the connecting plate (8) away from the rotary drive is provided with a plurality of first reinforcing ribs (7) extending in the height direction, and a second reinforcing rib (12) extending transversely and connecting the vertical reinforcing ribs, and the side surface of the first reinforcing rib (7) close to the feeding mechanism (11) is a slope inclined from top to bottom and from outside to inside.

3. The fully hydraulic raise boring machine for coal mines according to claim 2, characterized in that: The bottom surface of the bracket (6) is provided with a third reinforcing rib (13) extending longitudinally and located between the two connecting plates (8), the third reinforcing rib (13) is arranged correspondingly to the first reinforcing rib (7), and the two ends of the third reinforcing rib (13) are connected with the two first reinforcing ribs (7) respectively.

4. The full-hydraulic raise drill for coal mines according to claim 1, characterized in that: The bottom surface of the bracket (6) is also provided with a fourth reinforcing rib (14) extending transversely and connecting the third reinforcing rib (13).

5. The full-hydraulic raise drill for coal mines according to claim 1, characterized in that: The frame is provided with a slide block (2) sliding on the guide rail, the slide block (2) comprises a first horizontal plate (17) sliding on the slide rail (1), a first vertical plate (18) connected with the first horizontal plate (17) and located on the side of the slide rail (1), and a second horizontal plate (19) connected with the bottom end of the first vertical plate (18), and a channel is formed between the first horizontal plate (17), the second horizontal plate (19) and the first vertical plate (18) for inserting the slide rail (1).

6. The full-hydraulic raise drill for coal mines according to claim 5, characterized in that: The channel is also provided with an adjusting side plate (10) located between the slide rail (1) and the first vertical plate (18), and the first vertical plate (18) is screw-connected with an adjusting bolt (16) in contact with the adjusting side plate (10).

7. The full-hydraulic raise drill for coal mines according to claim 6, characterized in that: The bottom surface of the first horizontal plate (17) is provided with a groove, and the groove is provided with a sliding plate (15).