Advanced deep hole grouting reinforcement device for large mining height working face

Abstract

The utility model relates to the technical field of grouting reinforcement, and discloses a large mining height working face advanced deep hole grouting reinforcement device which comprises a base, a rotating rod is rotationally connected to the right side of the front wall of the base, an inner cavity is formed in the base, and the rear end of the rotating rod penetrates through the base and is fixedly connected with a driving bevel gear. The bottom end of the inner side of the inner cavity is rotationally connected with a gear ring, the driving bevel gear is connected with the gear ring in a meshed mode, the periphery of the inner side of the inner cavity is rotationally connected with threaded rods, the outer sides of the multiple threaded rods are fixedly connected with driven bevel gears, and the multiple driven bevel gears are connected with the periphery of the top of the gear ring in a meshed mode. According to the grouting hole supporting device, the driven bevel gears can drive the threaded rods on the periphery to rotate, the threaded sleeve can drive the movable plate to move towards the outer side, the supporting plate moves towards the outer side along with the movable plate, and at the moment, the supporting plate can make contact with the wall of a grouting hole to support the grouting hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to grouting reinforcement technical field especially relates to a big mining height working surface advanced deep hole grouting reinforcement device. BACKGROUND

[0002] The big mining height working surface refers to in the coal mining operation, through adopting advanced coal mining technology and equipment, when carrying out the mining to the coal seam, setting the mining height in the specific working area of 3.5 meters to 5.5 meters even higher, can improve the resource recovery rate, fully utilize the coal seam thickness, reduce the loss of coal resources, compared with the traditional layered mining can reduce the coal pillar setting, increase the coal mining quantity.

[0003] Through the retrieval, the patent announcement number of China is CN221838347U, disclose a kind of reinforcing device for coal mine broken surrounding rock deep hole grouting, the reinforcing device for coal mine broken surrounding rock deep hole grouting includes: grouting anchor rod, first fixed ring is fixed on the grouting anchor rod, the top of the first fixed ring is hingedly installed four clamping rods, hollow sleeve and push ring are slidably fitted on the grouting anchor rod, four clamping rods are hingedly installed push rod, one end of four push rods is hingedly connected with push ring, first nut is threadedly fitted on the grouting anchor rod, the hollow sleeve is in contact with push ring and first nut respectively, the reinforcing device for coal mine broken surrounding rock deep hole grouting provided by the utility model can fix grouting anchor rod in grouting hole, avoid grouting anchor rod moving in deep hole, and the advantage that reinforcement rib is reinforced, but the device when use, since coal mine rock-soil body is often in complex stress state, especially in soft rock and broken zone geological conditions, hole wall is compressed and collapses and deforms, leading to that grouting work cannot be carried out smoothly, reduce the practicability of the device, can not meet the needs of user. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a big mining height working surface advanced deep hole grouting reinforcement device, aims at improving the problem that the reinforcing device of deep hole grouting in prior art hole wall is compressed and collapses and deforms when use.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of large mining height working face advance deep hole grouting reinforcement device, including base, the front wall right side of the base is rotatably connected with rotating rod, the inside of the base is provided with inner chamber, the rear end of the rotating rod penetrates base and is fixedly connected with driving bevel gear, the inside bottom end of the inner chamber is rotatably connected with gear ring, the driving bevel gear is engaged with gear ring, the inner side of the inner chamber is rotatably connected with threaded rod, the outside of multiple threaded rods is fixedly connected with driven bevel gear, multiple driven bevel gears are engaged with the top of gear ring around respectively, the one end of multiple threaded rods is threadedly connected with threaded sleeve, the bottom of the base is provided with sliding slot around, the inside of multiple sliding slots is slidably connected with movable plate, the one end of multiple threaded sleeves penetrates base and is fixedly connected with corresponding movable plate, the bottom of multiple movable plates is fixedly connected with support plate, the top of the base is provided with fixed mechanism, and the fixed mechanism is used for the device with ore body ground fixed.

[0006] Further, the fixed mechanism includes a hollow threaded pipe, the hollow threaded pipe is rotatably connected to the top middle part of the base, the outside of the hollow threaded pipe is threadedly connected with a sleeve ring, the outside of the sleeve ring is fixedly connected with a connecting seat around, the top of the base is provided with a mounting groove around, the inside of multiple mounting grooves is rotatably connected with a rotating shaft, the outside of multiple rotating shafts is fixedly connected with a fixed nail, the one end of multiple fixed nails is fixedly connected with a hollow pipe, the inside of multiple hollow pipes is slidably connected with a connecting rod, and multiple connecting rods are fixedly connected with corresponding connecting seats respectively.

[0007] Further, the bottom middle part of the base is fixedly connected with a grouting pipe, and the top end of the grouting pipe penetrates the base and the hollow threaded pipe in sequence and is communicated with a feed pipe.

[0008] Further, the top end of the feed pipe is communicated with a connecting port, and the inside of the connecting port is provided with a connecting thread.

[0009] Further, the bottom of the grouting pipe is fixedly connected with a drill bit, and multiple grouting ports are equally arranged on the outside of the grouting pipe around.

[0010] Further, the outside top of the hollow threaded pipe is fixedly connected with a handle, and the outside of the handle is fixedly connected with a rubber layer.

[0011] Further, the front end of the rotating rod is fixedly connected with a knob, and the inside of the sliding groove is matched in size with the size of the movable plate.

[0012] Further, the left and right sides of the top of the base are fixedly connected with handrails, and the outside of the handrails is fixedly connected with a sheath.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、 the utility model discloses a rotating rod drives driving bevel gear rotation, because driving bevel gear and the gear ring are engaged, and the gear ring will rotate along, and because multiple driven bevel gears are all engaged with the gear ring, multiple driven bevel gears will respectively drive the rotation of the threaded rod around, and the threaded sleeve will drive the movable plate to move to the outside, and the supporting plate moves to the outside along, at this moment, the supporting plate can be in contact with the grouting hole wall, and the grouting hole is supported, and the practicability of the device is improved, and the demand of the user can be satisfied.

[0015] 2、 the utility model discloses the rotation of hollow screw pipe by handle, at this moment, the collar will drive the connecting seat to move upwards, and the connecting seat moves upwards and will drive the rotation of the connecting rod and hollow pipe, and the fixed nail will rotate along, at this moment, the fixed nail around will be inserted into the ore body, thereby the device can be fixed, so that the device can not be pushed out when grouting, and the work burden of the staff is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of a large mining height working face advanced deep hole grouting reinforcement device that the utility model proposes;

[0017] Figure 2 It is a base structure sectional view of a large mining height working face advanced deep hole grouting reinforcement device that the utility model proposes;

[0018] Figure 3 It is a partial structure split drawing of a large mining height working face advanced deep hole grouting reinforcement device that the utility model proposes;

[0019] Figure 4 It is a structure schematic diagram of the fixing mechanism of a large mining height working face advanced deep hole grouting reinforcement device that the utility model proposes;

[0020] Figure 5 It is Figure 4 The enlarged view of A in the figure;

[0021] Figure 6 It is a partial structure schematic diagram of a large mining height working face advanced deep hole grouting reinforcement device that the utility model proposes.

[0022] Legend:

[0023] 1, base; 2, fixed mechanism; 201, hollow threaded pipe; 202, collar; 203, connecting seat; 204, mounting groove; 205, rotating shaft; 206, fixing nail; 207, hollow pipe; 208, connecting rod; 3, rotating rod; 4, inner cavity; 5, driving bevel gear; 6, gear ring; 7, threaded rod; 8, driven bevel gear; 9, threaded sleeve; 10, sliding groove; 11, movable plate; 12, support plate; 13, grouting pipe; 14, material conveying pipe; 15, connecting port; 16, connecting thread; 17, grouting port; 18, drill bit; 19, knob; 20, handle; 21, rubber layer; 22, sheath; 23, handrail. DETAILED DESCRIPTION

[0024] 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 scope of protection of the utility model.

[0025] With reference to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a kind of large mining height working face advance deep hole grouting reinforcement device, including base 1, the front wall right side of base 1 is rotatably connected with rotating rod 3, the inside of base 1 is provided with inner cavity 4, the rear end of rotating rod 3 penetrates through base 1 and is fixedly connected with driving bevel gear 5, rotating rod 3 will drive driving bevel gear 5 to rotate, the inner side bottom end of inner cavity 4 is rotatably connected with gear ring 6, driving bevel gear 5 is engagedly connected with gear ring 6, when driving bevel gear 5 rotates, gear ring 6 will rotate along with it, the inner side four around of inner cavity 4 are rotatably connected with threaded rod 7, the outer side of multiple threaded rods 7 are fixedly connected with driven bevel gear 8, multiple driven bevel gears 8 are respectively engagedly connected with the top four around of gear ring 6, when gear ring 6 rotates, driven bevel gear 8 will drive threaded rod 7 to rotate, one end of multiple threaded rods 7 is threadedly connected with threaded sleeve 9, the bottom four around of base 1 are provided with sliding groove 10, the inner side of multiple sliding grooves 10 are slidably connected with movable plate 11, one end of multiple threaded sleeves 9 penetrates through base 1 and is fixedly connected with corresponding movable plate 11, threaded sleeve 9 will drive movable plate 11 to move, the bottom of multiple movable plates 11 are fixedly connected with support plate 12, the top of base 1 is provided with fixed mechanism 2, fixed mechanism 2 is used to facilitate the device and ore body ground fixed, the bottom end middle part of base 1 is fixedly connected with grouting pipe 13, the front end of rotating rod 3 is fixedly connected with knob 19, knob 19 facilitates staff to rotate rotating rod 3, the inner side size of sliding groove 10 and the size of movable plate 11 match;

[0026] Specifically, in use, the device is placed in the grouting hole, and then the knob 19 is rotated. When the knob 19 is rotated, the rotating rod 3 starts to rotate, and the driving bevel gear 5 rotates. Since the driving bevel gear 5 is engaged with the tooth ring 6, when the driving bevel gear 5 rotates, the tooth ring 6 also rotates. The rotation of the tooth ring 6 drives the multiple driven bevel gears 8 engaged therewith to rotate. At this time, the multiple threaded rods 7 rotate simultaneously. When the threaded rods 7 rotate, the threaded sleeve 9 drives the movable plate 11 to move outward, and the movement of the movable plate 11 drives the support plate 12 to also move outward. At this time, the support plate 12 can contact the wall of the grouting hole, thereby achieving effective support of the grouting hole and improving the practicality of the device, which can meet the needs of users.

[0027] With reference to Figure 4 , Figure 5 and Figure 6 , the fixing mechanism 2 includes a hollow threaded pipe 201 rotationally connected to the middle part of the top end of the base 1. The outside of the hollow threaded pipe 201 is threadedly connected with a sleeve ring 202. When the hollow threaded pipe 201 rotates, the sleeve ring 202 moves. The outside of the sleeve ring 202 is fixedly connected with a connecting seat 203 around the periphery. The sleeve ring 202 drives the connecting seat 203 to move. The top of the base 1 is provided with a mounting groove 204 around the periphery. The inside of the multiple mounting grooves 204 is rotationally connected with a rotating shaft 205. The outside of the multiple rotating shafts 205 is fixedly connected with a fixing nail 206. The fixing nail 206 can rotate. One end of the multiple fixing nails 206 is fixedly connected with a hollow pipe 207. The inside of the multiple hollow pipes 207 is slidingly connected with a connecting rod 208. The multiple connecting rods 208 are respectively fixedly connected with the corresponding connecting seats 203. When the connecting seat 203 moves, the connecting rod 208 and the hollow pipe 207 can drive the fixing nail 206 to rotate. The outside of the top of the hollow threaded pipe 201 is fixedly connected with a handle 20. The outside of the handle 20 is fixedly connected with a rubber layer 21.

[0028] Specifically, in use, before grouting work is performed, the handle 20 is rotated. The handle 20 drives the hollow threaded pipe 201 to rotate. With the rotation of the hollow threaded pipe 201, the sleeve ring 202 moves upward, and further drives the connecting seat 203 to move upward. The upward movement of the connecting seat 203 drives the connecting rod 208 and the hollow pipe 207 to rotate together. The connecting rod 208 can freely slide in the hollow pipe 207. The hollow pipe 207 drives the fixing nail 206 to rotate. At this time, the fixing nails 206 around the periphery are inserted into the ore body, so that the device can be fixed, ensuring that the device will not be pushed out due to grouting pressure when grouting work is performed, and reducing the work burden of workers.

[0029] With reference to Figure 1 , Figure 3And Figure 4 The top end of the grouting pipe 13 penetrates the base 1 and the hollow threaded pipe 201 in sequence and is communicated with the feeding pipe 14, the feeding pipe 14 can feed grouting raw materials into the grouting pipe 13, the top end of the feeding pipe 14 is communicated with the connecting port 15, the inner side of the connecting port 15 is provided with the connecting thread 16, and the connecting port 15 facilitates the connection of the feeding pipe 14 with external equipment.

[0030] Specifically, the feeding pipe 14 can feed grouting raw materials into the grouting pipe 13, and the feeding pipe 14 can be conveniently connected with external equipment by using the connecting port 15.

[0031] Referring to Figure 1 , Figure 2 and Figure 4 The bottom of the grouting pipe 13 is fixedly connected with the drill bit 18, the drill bit 18 facilitates the placement of the device in the grouting hole, a plurality of grouting ports 17 are equidistantly arranged on the outer side of the grouting pipe 13, the top of the base 1 is fixedly connected with the handrails 23 on the left and right sides, and the outer side of the handrails 23 is fixedly connected with the sheaths 22.

[0032] Specifically, the drill bit 18 can be conveniently used by the staff to place the device in the grouting hole, the handrails 23 facilitate the movement of the device by the staff, and the sheaths 22 enable the staff to hold the handrails 23 more comfortably.

[0033] Working principle: when the device is used, the device is first placed in the grouting hole, then the knob 19 is rotated, the rotation of the knob 19 drives the rotation of the rotating rod 3, the rotation of the rotating rod 3 drives the rotation of the driving bevel gear 5, the driving bevel gear 5 meshes with the tooth ring 6, the tooth ring 6 rotates, the plurality of driven bevel gears 8 mesh with the tooth ring 6, the plurality of driven bevel gears 8 drive the rotation of the threaded rods 7 around, at this time, the threaded sleeve 9 drives the outward movement of the movable plate 11, the movable plate 11 drives the outward movement of the support plate 12, at this time, the support plate 12 can be in contact with the wall of the grouting hole to support the grouting hole;

[0034] And when the device is used, before grouting work is performed, the handle 20 is first rotated, the rotation of the handle 20 drives the rotation of the hollow threaded pipe 201, at this time, the sleeve ring 202 moves upward, the upward movement of the sleeve ring 202 drives the upward movement of the connecting seat 203, the upward movement of the connecting seat 203 drives the rotation of the connecting rod 208 and the hollow pipe 207, the connecting rod 208 can slide in the hollow pipe 207, at this time, the plurality of fixing nails 206 around can be inserted into the ore body, so that the device can be fixed, and the device cannot be pushed out during grouting.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A large mining height working face advanced deep hole grouting reinforcement device, comprising a base (1), characterized in that: The front wall right side of the base (1) is rotationally connected with a rotating rod (3), the inside of the base (1) is provided with an inner cavity (4), the rear end of the rotating rod (3) penetrates through the base (1) and is fixedly connected with a driving bevel gear (5), the inner side bottom end of the inner cavity (4) is rotationally connected with a gear ring (6), the driving bevel gear (5) is in meshing connection with the gear ring (6), the inner side of the inner cavity (4) is rotationally connected with a threaded rod (7) around, the outer side of the threaded rod (7) is fixedly connected with a driven bevel gear (8), the driven bevel gear (8) is in meshing connection with the top of the gear ring (6) around, one end of the threaded rod (7) is threadedly connected with a threaded sleeve (9), the bottom of the base (1) is provided with a sliding groove (10) around, the inner side of the sliding groove (10) is slidably connected with a movable plate (11), one end of the threaded sleeve (9) penetrates through the base (1) and is fixedly connected with the corresponding movable plate (11), the bottom of the movable plate (11) is fixedly connected with a supporting plate (12), the top of the base (1) is provided with a fixing mechanism (2), the fixing mechanism (2) is used for conveniently fixing the device with the ore body ground.

2. The large mining height working face advanced deep hole grouting reinforcement device according to claim 1, characterized in that: The fixing mechanism (2) comprises a hollow threaded pipe (201), the hollow threaded pipe (201) is rotationally connected at the top middle part of the base (1), the outer side of the hollow threaded pipe (201) is threadedly connected with a sleeve ring (202), the outer side of the sleeve ring (202) is fixedly connected with a connecting seat (203) around, the top of the base (1) is provided with a mounting groove (204) around, the inner side of the mounting groove (204) is rotationally connected with a rotating shaft (205), the outer side of the rotating shaft (205) is fixedly connected with a fixing nail (206), one end of the fixing nail (206) is fixedly connected with a hollow pipe (207), the inner side of the hollow pipe (207) is slidably connected with a connecting rod (208), the connecting rod (208) is fixedly connected with the corresponding connecting seat (203).

3. The large mining height working face advance deep hole grouting reinforcement device according to claim 1, characterized in that: The bottom middle part of the base (1) is fixedly connected with a grouting pipe (13), the top end of the grouting pipe (13) penetrates through the base (1) and the hollow threaded pipe (201) in sequence and is communicated with a feeding pipe (14).

4. The large cutting height working face advance deep hole grouting reinforcement device according to claim 3, characterized in that: The top end of the feeding pipe (14) is communicated with a connecting port (15), the inner side of the connecting port (15) is provided with a connecting thread (16).

5. The large mining height working face advance deep hole grouting reinforcement device according to claim 3, characterized in that: The bottom of the grouting pipe (13) is fixedly connected with a drill bit (18), the outer side of the grouting pipe (13) is provided with a plurality of grouting ports (17) equidistantly around.

6. The large mining height working face advanced deep hole grouting reinforcement device according to claim 2, characterized in that: The outer side top of the hollow threaded pipe (201) is fixedly connected with a handle (20), the outer side of the handle (20) is fixedly connected with a rubber layer (21).

7. The large mining height working face advance deep hole grouting reinforcement device according to claim 1, characterized in that: The front end of the rotating rod (3) is fixedly connected with a knob (19), the inner side size of the sliding groove (10) is matched with the size of the movable plate (11).

8. The large mining height working face advance deep hole grouting reinforcement device according to claim 1, characterized in that: The top left and right sides of the base (1) are fixedly connected with a handrail (23), the outer side of the handrail (23) is fixedly connected with a sheath (22).

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