A support device for underground backfill mining

Abstract

The utility model discloses a kind of underground filling mining support devices, it is related to mining technical field, including support device, the support device includes base, support pipe, motor, screw rod, sleeve and support plate, the support pipe is fixedly installed at the top of base, the motor is located inside support pipe, the motor is fixedly installed at the top of base.The utility model is provided with fixed mechanism, when motor drives screw rod to rotate, sleeve pushes support plate to rise, provides support to mine after tunnel, using fixed mechanism, makes sleeve and support pipe stroke connection, while avoiding screw rod direct stress, solves the lifting of above-mentioned equipment, mainly through motor drives screw rod to rotate, sleeve pushes support plate and moves, makes support plate contact with mine, however, screw rod directly bears the weight compression at this time, it is very easy to bend for a long time, affect the problem of subsequent use, reaches the effect of auxiliary fixed support.

Description

Technical Field

[0001] This utility model relates to the field of mining technology, specifically to a support device for underground filling mining. Background Technology

[0002] Backfilling mining is a mining method that involves filling the goaf with backfill material while simultaneously carrying out ore extraction, transportation, and other operations. The purpose of backfilling is to support the rocks on both sides of the goaf and create a foundation for continued surface mining. It is suitable for deposits where the ore and surrounding rock are unstable and large exposed surfaces are not permitted; deposits requiring surface protection; rare and precious metal or high-grade deposits; sulfide deposits with spontaneous combustion; and deposits with complex occurrence conditions.

[0003] For example, application number CN202021739116.4 discloses a mining support device, including a support base, a support pipe, a support rod buffer mechanism, and an arc-shaped support plate. The bottom end of the support pipe is fixedly connected to the top of the support base, and the bottom end of the support rod is inserted into the interior of the support pipe. The buffer mechanism has the top end of the support rod, and the arc-shaped support plate is located at the top of the buffer mechanism. This mining support device, by including a support base, support pipe, support rod, arc-shaped support plate, threaded lifting column, and rotary motor, allows the device to be installed directly below the roadway requiring support. After installation, the rotary motor drives the threaded lifting column to rotate, causing the support rod to move upward inside the support pipe under the action of the thread, which in turn moves the arc-shaped support plate upward, facilitating support of the roadway bottom through the arc-shaped support plate.

[0004] Based on the search of the aforementioned patents and the findings of existing equipment, while the aforementioned equipment can solve the problem that traditional support devices mainly use wooden piles for support, the length of the wooden piles is relatively fixed, making it inconvenient to adjust their length during installation. When the tunnel height in the mining area is different, wooden piles of various lengths need to be used for support, making the installation and use of the entire support structure quite troublesome. However, during use, the lifting of the aforementioned equipment is mainly driven by a motor to rotate the screw, causing the sleeve to push the support plate to move and make the support plate contact the mine shaft. However, at this time, the screw directly bears the pressure of the weight used, which is very easy to bend over time, affecting subsequent use. Utility Model Content

[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a support device for underground filling mining, which has the advantages of auxiliary fixed support and solves the problem of lifting and lowering the above-mentioned equipment. The lifting and lowering of the equipment is mainly achieved by driving the screw to rotate through the motor, which causes the sleeve to push the support plate to move and make the support plate contact the mine shaft. However, at this time, the screw directly bears the pressure of the weight used, which is very easy to bend over time, affecting the subsequent use.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a support device for underground filling mining, comprising a base, a support pipe, a motor, a screw, a sleeve, and a support plate. The support pipe is fixedly installed on the top of the base, the motor is located inside the support pipe and fixedly installed on the top of the base, the screw is fixedly installed on the output end of the motor, the surface of the sleeve is slidably connected to the inner wall of the support pipe, the surface of the screw is threadedly connected to the inner wall of the sleeve, and the two sides of the bottom of the support plate are fixedly connected to the top of the sleeve. A fixing mechanism includes a through groove, which is opened at the top of both sides of the support tube. The sleeve has several grooves on both sides, which are evenly distributed. The through groove is connected to one of the grooves. A support block is slidably connected to the inner wall of the through groove. The support block is inserted into one of the grooves. The inner side of the bottom of the support block is inclined. An automatic insertion component is fixedly installed on the outside of the support block; The locking mechanism is disengaged and fixedly installed on the top of both sides of the support tube.

[0007] As a preferred embodiment of this utility model, the automatic insertion component includes a mounting plate, which is fixedly installed on the outside of the support block. Both sides of the inner side of the mounting plate are fixedly connected with tension springs, and the other end of the tension springs is fixedly connected to both sides of the support tube. Limiting components are provided on both sides of the outer side of the mounting plate.

[0008] As a preferred embodiment of this utility model, the exit locking mechanism includes a fixing block, which is fixedly installed on the top of both sides of the support tube. The inner wall of the fixing block is threaded with knurled bolts, and the top of the support block is provided with a slot.

[0009] As a preferred embodiment of this utility model, the limiting component includes a limiting groove, which is formed on both sides of the outer side of the mounting plate. A limiting rod is slidably connected to the inner wall of the limiting groove, and the inner side of the limiting rod is fixedly connected to both sides of the support tube.

[0010] As a preferred embodiment of this utility model, a U-shaped handle is fixedly connected to the outer side of the mounting plate, and the U-shaped handle is used to pull the mounting plate.

[0011] As a preferred embodiment of this invention, a heat dissipation groove is provided at the bottom of the surface of the support tube, and the heat dissipation groove is provided in a plurality of grooves and is distributed in a ring at equal intervals.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model, by setting a fixing mechanism, allows the sleeve to push the support plate upward after the motor drives the screw to rotate, providing support for the mine shaft. The fixing mechanism then connects the sleeve to the support pipe, thus avoiding direct force on the screw. This solves the problem of lifting and lowering the aforementioned equipment, which mainly relies on the motor driving the screw to rotate, causing the sleeve to push the support plate to move and make it contact the mine shaft. However, at this time, the screw directly bears the pressure of the weight used, which is very easy to bend over time, affecting subsequent use. This invention achieves the effect of auxiliary fixing support.

[0013] 2. In this utility model, when the motor drives the screw to rotate, causing the sleeve to push the support plate to rise, the fixing mechanism, with the assistance of the automatic insertion component, connects the sleeve and the support tube together when the sleeve stops rising, thereby avoiding the screw being directly subjected to long-term force.

[0014] 3. This utility model allows the sleeve to descend unimpeded by using a U-shaped handle to pull the mounting plate when the sleeve needs to be lowered, causing the mounting plate to move the support block. Then, by disengaging the locking mechanism, the support block is fixed, preventing the tension spring from pulling it back to its original position. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the present invention from another perspective; Figure 3 This is a cross-sectional view of the support tube of this utility model and an exploded view of some parts.

[0016] In the diagram: 1. Support device; 11. Base; 12. Support tube; 13. Motor; 14. Screw; 15. Sleeve; 16. Support plate; 2. Fixing mechanism; 21. Through groove; 22. Groove; 23. Support block; 3. Automatic insertion assembly; 31. Mounting plate; 32. Tension spring; 4. Exit locking mechanism; 41. Fixing block; 42. Knurled bolt; 43. Slot; 5. Limiting assembly; 51. Limiting groove; 52. Limiting rod; 6. U-shaped handle; 7. Heat dissipation groove. Detailed Implementation

[0017] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0019] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0020] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth. Example

[0021] Reference Figure 1-3 This is the first embodiment of the present invention, providing a support device 1 for underground filling mining, including a support device 1, a base 11, a support pipe 12, a motor 13, a screw 14, a sleeve 15, and a support plate 16. The support pipe 12 is fixedly installed on the top of the base 11. The motor 13 is located inside the support pipe 12 and is fixedly installed on the top of the base 11. The screw 14 is fixedly installed on the output end of the motor 13. The surface of the sleeve 15 is slidably connected to the inner wall of the support pipe 12, and the surface of the screw 14 is threadedly connected to the inner wall of the sleeve 15. The two sides of the bottom of the support plate 16 are fixedly connected to the top of the sleeve 15. The fixing mechanism 2 includes a through groove 21, which is opened on the top of both sides of the support tube 12. The sleeve 15 has several grooves 22 on both sides, which are evenly distributed. The through groove 21 is connected to one of the grooves 22. The inner wall of the through groove 21 is slidably connected to a support block 23, which is inserted into one of the grooves 22. The inner side of the bottom of the support block 23 is inclined. Automatic insertion component 3 is fixedly installed on the outside of support block 23; The locking mechanism 4 is fixedly installed on the top of both sides of the support tube 12. The automatic insertion component 3 includes a mounting plate 31, which is fixedly installed on the outside of the support block 23. Tension springs 32 are fixedly connected to both sides of the inner side of the mounting plate 31. The other end of the tension springs 32 is fixedly connected to both sides of the support tube 12. Limiting components 5 are opened on both sides of the outer side of the mounting plate 31. The limiting components 5 include limiting grooves 51, which are opened on both sides of the outer side of the mounting plate 31. Limiting rods 52 are slidably connected to the inner wall of the limiting grooves 51. The inner side of the limiting rods 52 is fixedly connected to both sides of the support tube 12.

[0022] Specifically, when the motor 13 drives the screw 14 to rotate, causing the sleeve 15 to push the support plate 16 to rise, the fixing mechanism 2, with the assistance of the automatic insertion component 3, connects the sleeve 15 and the support tube 12 together when the sleeve 15 stops rising, thereby preventing the screw 14 from being directly subjected to force for a long time.

[0023] Furthermore, when the sleeve 15 rises, the corner of its groove 22 contacts the inclined surface of the support block 23, squeezing the support block 23 and causing it to move symmetrically outward along the trajectory of the through groove 21, and causing the mounting block to move together. This stretches the tension spring 32, generating a rebound force, while the limiting groove 51 slides along the limiting rod 52, thereby providing a constraint for the mounting plate 31. This allows the support block 23 to be continuously and stably inserted into the groove 22. Then, as the sleeve 15 continues to rise, several grooves 22 and one through groove 21 are continuously and alternately connected. When the sleeve 15 rises to a certain extent, one of the grooves 22 connects with the through groove 21. At this time, the support block 23 is inserted into it under the pull of the rebound force of the tension spring 32. This establishes a connection between the sleeve 15 and the support tube 12, thus preventing the screw 14 from bending due to long-term pressure from all the weight. Example

[0024] In the second embodiment of this utility model, the exit locking mechanism 4 includes a fixing block 41, which is fixedly installed on the top of both sides of the support tube 12. The inner wall of the fixing block 41 is threaded with a knurled bolt 42. The top of the support block 23 is provided with a slot 43. The outer side of the mounting plate 31 is fixedly connected with a U-shaped handle 6, which is used to pull the mounting plate 31.

[0025] Specifically, when the sleeve 15 needs to be lowered, the mounting plate 31 is pulled by the U-shaped handle 6, which causes the mounting plate 31 to move the support block 23. Then, by disengaging the locking mechanism 4, the support block 23 is fixed, preventing the tension spring 32 from pulling it back to its original position, thus allowing the sleeve 15 to descend without obstruction.

[0026] Furthermore, by providing a force point through the U-shaped handle 6, the mounting plate 31 is pulled, causing the mounting plate 31 to move the support block 23 out of the groove 22, exposing the slot 43. Then, the knurled bolt 42 on the fixing block 41 can be tightened until the knurled bolt is inserted into the groove 22, thereby limiting the support plate and preventing the spring force of the tension spring 32 from pulling it back to its original position. Example

[0027] In the third embodiment of this utility model, a heat dissipation groove 7 is provided at the bottom of the surface of the support tube 12, and several heat dissipation grooves 7 are provided and distributed in a ring at equal intervals.

[0028] Specifically, the heat sink 7 is used to provide heat dissipation for the motor 13 and stabilize the operation of the motor 13.

[0029] Furthermore, when the motor 13 drives the screw 14 to rotate, the heat generated during its operation is discharged from the support tube 12 through the heat dissipation groove 7, thereby preventing heat accumulation from causing the motor 13 to overheat and short circuit.

[0030] Working principle: When support is needed for the mine shaft, motor 13 is started, driving screw 14 to rotate. This causes sleeve 15 to rise via screw 14, pushing support plate 16 until it contacts the mine shaft, providing support. During this process, as sleeve 15 rises, the edges of its groove 22 contact the inclined surface of support block 23, compressing it. This causes support block 23 to move symmetrically outward along the trajectory of through groove 21, moving the mounting block along with it. This stretches tension spring 32, generating a rebound force. Simultaneously, limiting groove 51 slides along limiting rod 52, providing constraint to mounting plate 31, allowing support block 23 to be stably inserted into groove 22. As sleeve 15 continues to rise, several grooves 22 alternately connect with one through groove 21. Then, when sleeve 15 rises to a certain point... After a certain period of time, one of the grooves 22 connects to the through groove 21. At this time, the support block 23 is inserted into it under the pull of the spring 32. This establishes a connection between the sleeve 15 and the support tube 12, thus preventing the screw 14 from bending due to long-term pressure from all the weight and affecting subsequent use. Then, when the sleeve 15 needs to be lowered, the U-shaped handle 6 provides a point of force to pull the mounting plate 31, causing the mounting plate 31 to move the support block 23 out of the groove 22, exposing the slot 43. Then, the knurled bolt 42 on the fixing block 41 can be tightened until the knurled bolt is inserted into the groove 22, thereby limiting the support plate and preventing the spring 32 from pulling it back to its original position. Finally, the sleeve 15 can be lowered without obstruction, thus having the advantage of auxiliary fixed support.

[0031] In summary, this underground filling mining support device, through the setting of a fixing mechanism 2, allows the screw 14 to rotate when the motor 13 drives it, causing the sleeve 15 to push the support plate 16 upward to provide support for the mine shaft. The fixing mechanism 2 then connects the sleeve 15 to the support pipe 12, thus preventing the screw 14 from being directly stressed. This solves the problem of lifting and lowering the aforementioned equipment. The main method involves the motor driving the screw to rotate, causing the sleeve to push the support plate to move and contact the mine shaft. However, in this case, the screw directly bears the weight of the equipment, which can easily lead to bending over time, affecting subsequent use.

[0032] It should be noted that (motor, cylinder, screw, gear, worm gear, electric telescopic rod, damper, spring) are existing devices or equipment, or devices or equipment that can be implemented by existing technology. The power supply, connection method, usage method, power source, fixing method, installation method, control method, etc. of the equipment, as well as the materials of each accessory and the selection of various parameters are all common knowledge in the art, and therefore will not be described in detail in this application document.

[0033] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0034] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0035] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A support device for underground filling mining, characterized in that: The support device (1) includes a base (11), a support pipe (12), a motor (13), a screw (14), a sleeve (15), and a support plate (16). The support pipe (12) is fixedly installed on the top of the base (11). The motor (13) is located inside the support pipe (12) and is fixedly installed on the top of the base (11). The screw (14) is fixedly installed on the output end of the motor (13). The surface of the sleeve (15) is slidably connected to the inner wall of the support pipe (12). The surface of the screw (14) is threadedly connected to the inner wall of the sleeve (15). The two sides of the bottom of the support plate (16) are fixedly connected to the top of the sleeve (15). The fixing mechanism (2) includes a through groove (21), which is opened on the top of both sides of the support tube (12). The sleeve (15) has grooves (22) on both sides. Several grooves (22) are opened and are evenly distributed. The through groove (21) is connected to one of the grooves (22). A support block (23) is slidably connected to the inner wall of the through groove (21). The support block (23) is inserted into one of the grooves (22). The inner side of the bottom of the support block (23) is inclined. An automatic insertion component (3) is fixedly installed on the outside of the support block (23); The locking mechanism (4) is removed and fixedly installed on the top of both sides of the support tube (12).

2. The support device for underground filling mining according to claim 1, characterized in that: The automatic insertion component (3) includes a mounting plate (31), which is fixedly installed on the outside of the support block (23). Both sides of the inner side of the mounting plate (31) are fixedly connected with tension springs (32), and the other end of the tension springs (32) is fixedly connected to both sides of the support tube (12). Limiting components (5) are provided on both sides of the outer side of the mounting plate (31).

3. The support device for underground filling mining according to claim 1, characterized in that: The exit locking mechanism (4) includes a fixing block (41), which is fixedly installed on the top of both sides of the support tube (12). The inner wall of the fixing block (41) is threaded with a knurled bolt (42), and the top of the support block (23) is provided with a slot (43).

4. A support device for underground filling mining according to claim 2, characterized in that: The limiting component (5) includes a limiting groove (51), which is opened on both sides of the outer side of the mounting plate (31). A limiting rod (52) is slidably connected to the inner wall of the limiting groove (51), and the inner side of the limiting rod (52) is fixedly connected to both sides of the support tube (12).

5. A support device for underground filling mining according to claim 2, characterized in that: A U-shaped handle (6) is fixedly connected to the outside of the mounting plate (31), and the U-shaped handle (6) is used to pull the mounting plate (31).

6. A support device for underground filling mining according to claim 1, characterized in that: The bottom of the surface of the support tube (12) is provided with heat dissipation grooves (7), and there are several heat dissipation grooves (7) distributed in a ring at equal distances.

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