Supporting device for tunneling

Abstract

The utility model relates to the field of coal mine supporting, and provides a supporting device for tunneling. The supporting device for tunneling comprises a base, a driving piece is arranged on the base, and a first guiding piece is further arranged on the base; the driving gear is in transmission connection with the driving part; the movable support is provided with a supporting rod, the supporting plate is provided with a rack, the rack is in transmission connection with the driving gear, and the movable support is provided with a second guiding piece used for being matched with the first guiding piece in a guiding mode; and the supporting plate is mounted at the top of the movable bracket. The supporting device for tunneling can quickly and stably push the supporting plate to the tunneling face, provides instant supporting and protection for tunneling work, effectively prevents safety accidents such as collapse possibly occurring in the tunneling process, guarantees life safety of operators, and remarkably improves the overall safety of tunneling work. And the time required by supporting operation is greatly shortened, so that the overall efficiency of tunneling operation is improved.

Description

Technical Field

[0001] The utility model relates to the field of coal mine support, and provides a support device for tunneling. Background Art

[0002] The existing support method for coal mine roadway tunneling usually uses a roadheader to excavate the roadway, and then manual support is carried out. Manual support requires a large amount of manpower input, long operation time, slow efficiency, and there are certain risks in the manual support process, and it is easy to cause casualties or sudden accidents. In addition, most of the existing support devices are of fixed size and cannot be effectively adjusted according to roadways of different sizes, resulting in poor support effect. Summary of the Utility Model

[0003] An embodiment of the utility model provides a support device for tunneling, which is used to solve the defect that there are risks in manual tunneling support in the related art.

[0004] An embodiment of the utility model provides a support device for tunneling, including:

[0005] A base, on which a driving member is arranged, and a first guiding member is also arranged on the base;

[0006] A driving gear, which is in transmission connection with the driving member;

[0007] A movable support, on which a support rod is arranged, a rack is arranged on the support rod, the rack is in transmission connection with the driving gear, and a second guiding member for guiding and cooperating with the first guiding member is arranged on the movable support;

[0008] A support plate, which is installed on the top of the movable support.

[0009] According to an embodiment of the utility model, two pairs of mounting seats are arranged on the base, each pair of mounting seats is arranged at intervals, a pair of the driving gears are rotatably arranged on each pair of mounting seats, the number of the support rods corresponds to the number of the mounting seats one by one, a fixing seat is arranged between each pair of mounting seats, the driving member is installed on the fixing seat and the driving member is in transmission connection with the driving gears on each pair of mounting seats.

[0010] According to an embodiment of the utility model, a connecting seat is arranged on each support rod, and a connecting shaft is arranged between two relatively arranged connecting seats.

[0011] According to an embodiment of the present utility model, a pair of support frames are also spaced apart on the base, each support frame is provided with a mounting hole, the first guiding member is a guiding shaft, both ends of the guiding shaft are passed between a pair of the mounting holes, the second guiding member is a guiding groove, the guiding groove is opened on the support rod along the height direction of the support rod, and the guiding shaft is passed through the guiding groove.

[0012] According to an embodiment of the present utility model, a reinforcing plate is connected between the pair of support frames, and an avoidance hole for avoiding the connecting seat and the connecting shaft is opened on the reinforcing plate.

[0013] According to an embodiment of the present utility model, an avoidance groove is opened on the base, a mounting groove is opened on the support plate, the top end of the support rod is in interference fit with the mounting groove, and when the support rod is close to the base, the avoidance groove is used for avoiding the bottom end of the support rod.

[0014] According to an embodiment of the present utility model, a first rotating shaft is hinged on the base, both ends of the first rotating shaft are fixedly connected with a pair of rotating arms, a second rotating shaft is hinged on the pair of rotating arms, and a rolling body is rotatably connected to the second rotating shaft.

[0015] According to an embodiment of the present utility model, a first locking member is arranged on the first rotating shaft, and the first locking member is used for locking the relative positions of the first rotating shaft and the base.

[0016] According to an embodiment of the present utility model, a second locking member is arranged on the second rotating shaft, and the second locking member is used for locking the relative positions of the second rotating shaft and the rolling body.

[0017] According to an embodiment of the present utility model, a supporting plate is arranged at the bottom of the base, and the length of the rotating arm is greater than the distance between the first rotating shaft and the bottom of the supporting plate.

[0018] According to the support device for tunneling provided by the embodiments of the present utility model, through the drive of the driving member, the support plate can be quickly and stably pushed to the tunneling face, providing immediate support and protection for the tunneling work, effectively preventing safety accidents such as collapses that may occur during tunneling, ensuring the safety of the operators, and significantly improving the overall safety of the tunneling operation. The support device adopts a mechanized and automated operation mode, and through the transmission cooperation of the driving gear and the rack, the rapid deployment and contraction of the support plate are realized. This setting method not only simplifies the support operation process but also greatly shortens the time required for the support operation, thereby improving the overall efficiency of the tunneling operation. At the same time, due to the faster and more stable support process, the number of times of interrupting the tunneling operation due to the support operation is also reduced, further improving the tunneling efficiency. The movable support is closely matched with the first guiding member on the base through the second guiding member, ensuring the stability and directionality of the support plate during movement. This guiding setting method effectively prevents the possible deviation or shaking of the support plate during movement, improving the accuracy and reliability of the support operation. In addition, the firm connection between the support plate and the movable support also ensures the overall stability of the support structure, enabling it to better resist the pressure and impact of the tunneling face. The support device adopts a modular design, and the components are relatively independent and easy to disassemble and replace. This setting method enables the support device to adapt to the use requirements under different tunneling conditions and also facilitates the daily maintenance and repair work of the equipment. When a component fails or is damaged, it can be quickly replaced, reducing the downtime and repair costs caused by equipment failures. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic perspective view of the support device for tunneling provided by the present utility model.

[0021] Figure 2 It is a schematic perspective view of the support device for tunneling provided by the present utility model with the movable support removed.

[0022] Figure 3 It is a schematic cross-sectional view of the support device for tunneling provided by the present utility model.

[0023] Figure 4 It is a schematic perspective view of the movable support provided by the present utility model.

[0024] Reference Signs:

[0025] 100, base; 102, driving member; 104, first guiding member; 106, driving gear; 108, movable bracket; 110, support rod; 112, rack; 114, second guiding member; 116, support plate; 118, mounting seat; 120, fixed seat; 122, connecting seat; 124, connecting shaft; 126, support frame; 128, reinforcing plate; 130, avoidance hole; 132, avoidance groove; 134, first rotating shaft; 136, swing arm; 138, second rotating shaft; 140, rolling element; 142, first locking member; 144, second locking member; 146, supporting plate. Detailed implementation manners

[0026] The following further describes in detail the implementation manners of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0027] As Figures 1 to 4 shown, an embodiment of the present utility model provides a support device for tunneling, including:

[0028] A base 100, on which a driving member 102 is arranged, and a first guiding member 104 is also arranged on the base 100;

[0029] A driving gear 106, which is in transmission connection with the driving member 102;

[0030] A movable bracket 108, on which a support rod 110 is arranged, a rack 112 is arranged on the support rod, the rack 112 is in transmission connection with the driving gear 106, and a second guiding member 114 for guiding and cooperating with the first guiding member 104 is arranged on the movable bracket 108;

[0031] A support plate 116, which is installed on the top of the movable bracket 108.

[0032] According to the support device for tunneling provided by the embodiments of the present utility model, through the drive of the drive member 102, the support plate 116 can be quickly and stably pushed to the tunneling face, providing immediate support and protection for the tunneling work, effectively preventing safety accidents such as collapses that may occur during tunneling, ensuring the safety of the operators, and significantly improving the overall safety of the tunneling operation. The support device adopts a mechanized and automated operation mode. Through the transmission cooperation of the drive gear 106 and the rack 112, the rapid deployment and contraction of the support plate 116 are realized. This setting method not only simplifies the support operation process but also greatly shortens the time required for the support operation, thereby improving the overall efficiency of the tunneling operation. At the same time, due to the faster and more stable support process, the number of times of interrupting the tunneling operation due to the support operation is also reduced, further improving the tunneling efficiency. The movable support 108 is closely matched with the first guide member 104 on the base 100 through the second guide member 114, ensuring the stability and directionality of the support plate 116 during movement. This guiding setting method effectively prevents the deviation or shaking that may occur to the support plate 116 during movement, improving the accuracy and reliability of the support operation. In addition, the firm connection between the support plate 116 and the movable support 108 also ensures the overall stability of the support structure, enabling it to better resist the pressure and impact of the tunneling face. The support device adopts a modular design, and the components are relatively independent and easy to disassemble and replace. This setting method enables the support device to adapt to the use requirements under different tunneling conditions and also facilitates the daily maintenance and repair work of the equipment. When a component fails or is damaged, it can be quickly replaced, reducing the downtime and repair costs caused by equipment failures.

[0033] Please continue to refer to Figures 1 to 4 , the embodiments of the present utility model aim to provide an efficient and stable support device for tunneling. The device mainly consists of key components such as a base 100, a drive member 102, a drive gear 106, a movable support 108, a support plate 116, and guide members.

[0034] The base 100 serves as the support foundation of the entire support device, and the base 100 is firmly installed on the tunneling working surface. The drive member 102 (such as a motor, a hydraulic motor, etc.) is integrated on the base 100, and the drive member 102 provides power for the deployment and contraction of the support device. In addition, a first guide member 104 is designed on the base 100 to guide the movement trajectory of the movable support 108, ensuring the smoothness and accuracy of the support process.

[0035] The driving gear 106 is tightly connected to the driving member 102 on the base 100 through a transmission mechanism (such as gear transmission, chain transmission, etc.), receives power from the driving member 102 and converts it into rotational motion. The rotation of the driving gear 106 will directly drive the gear rack 112 meshing therewith to move linearly, thereby driving the movable bracket 108 and the supporting plate 116 thereon to extend or retract.

[0036] The movable bracket 108 is the main part of the support device, and a support rod 110 is arranged on it to enhance the stability and load-bearing capacity of the overall structure. A rack 112 is installed on the support rod, and the rack 112 is closely matched with the driving gear 106 to realize the transmission and conversion of power. At the same time, a second guide member 114 is also designed on the movable bracket 108, which matches the first guide member 104 on the base 100 to jointly ensure the stability and directionality of the movable bracket 108 during the movement.

[0037] The support plate 116 is installed on the top of the movable bracket 108 and is the part of the support device that directly contacts the excavation face. The design of the support plate 116 needs to take into account factors such as its strength, wear resistance and easy replacement to ensure that it can provide solid support and protection for the excavation face during the excavation process.

[0038] According to one embodiment of the utility model, two pairs of mounting seats 118 are arranged on the base 100, each pair of mounting seats 118 are arranged at intervals, and a pair of driving gears 106 are rotatably arranged on each pair of mounting seats 118. The number of support rods 110 and mounting seats 118 corresponds one to one, and a fixed seat 120 is arranged between each pair of mounting seats 118. The driving member 102 is installed on the fixed seat 120 and is in transmission connection with the driving gear 106 on each pair of mounting seats 118.

[0039] like Figure 4 As shown, in one embodiment of the utility model, the design of the base 100 of the tunneling support device is further optimized to improve the stability and transmission efficiency of the overall structure. Specifically, two pairs of mounting seats 118 are arranged on the base 100, and each pair of mounting seats 118 is arranged at intervals. Such a layout helps to disperse the force and enhance the bearing capacity of the base 100.

[0040] A pair of driving gears 106 are rotatably disposed on each pair of mounting seats 118, which means that a driving gear 106 is mounted on each mounting seat 118, and the two driving gears 106 on each pair of mounting seats 118 are disposed opposite to each other in the horizontal direction. Such a design enables the driving gears 106 to transmit power more evenly and reduces the stress concentration problem caused by a single driving point.

[0041] The number of support rods 110 corresponds one-to-one with the number of mounting seats 118, that is, there is a support rod 110 corresponding to each mounting seat 118. The support rod 110 not only plays a role in supporting the movable bracket 108, but also enhances the stability of the entire support device through its structural design (such as possible reinforcing ribs, optimized cross-sectional shapes, etc.).

[0042] Between each pair of mounting seats 118, a fixed seat 120 is also provided. The fixed seat 120 serves as the mounting base for the driving member 102, and its position is reasonably designed to facilitate the transmission connection between the driving member 102 and the driving gears 106 on each pair of mounting seats 118. The driving member 102 (such as a motor, a hydraulic motor, etc.) is mounted on the fixed seat 120 and is connected to the driving gears 106 on each pair of mounting seats 118 through a transmission mechanism (such as gear transmission, chain transmission, etc.), so as to realize the driving control of the movable bracket 108 and the support plate 116.

[0043] By increasing the number of mounting seats 118 and optimizing their layout, and setting the fixed seat 120 to mount the driving member 102, the structure of the entire support device is made more stable. This design helps to reduce structural deformation or damage caused by factors such as vibration and impact during tunneling.

[0044] A pair of driving gears 106 are provided on each pair of mounting seats 118, and synchronous driving is realized through the driving member 102, so that the power transmission is more uniform and efficient. This helps to reduce energy loss during the transmission process and improve the response speed and stability of the support device.

[0045] The modular design makes each component relatively independent and easy to disassemble and replace. When it is necessary to maintain or replace a certain component (such as the driving member 102, the driving gear 106, etc.), the operation can be carried out conveniently without affecting the use of the entire support device. In addition, this design also provides convenient conditions for future technological upgrades.

[0046] By adjusting the number and layout of the mounting seats 118, the driving gears 106 and the support rods 110, the use requirements under different tunneling conditions can be flexibly adapted. This design makes the support device have stronger adaptability and flexibility and can meet more diverse tunneling operation requirements.

[0047] According to an embodiment of the present invention, a connecting seat 122 is provided on each support rod 110, and a connecting shaft 124 is provided between two relatively arranged connecting seats 122.

[0048] Such as Figure 1 and Figure 4As shown, in an embodiment of the present utility model, a connecting seat 122 is provided on each support rod 110. These connecting seats 122 not only enhance the structural strength of the support rod 110 but also undertake the important function of connecting with other components.

[0049] More crucially, a connecting shaft 124 is provided between two relatively arranged connecting seats 122. Through precise machining and installation, this connecting shaft 124 ensures that it can stably connect the two connecting seats 122.

[0050] As an important component on the support rod 110, the design and material selection of the connecting seat 122 will directly affect the load-bearing capacity of the support rod 110. Through reasonable structural design and material selection, the connecting seat 122 can effectively enhance the strength of the support rod 110, enabling it to withstand various forces and torques generated during the tunneling process.

[0051] The most direct function of the connecting shaft 124 is to tightly connect two relatively arranged connecting seats 122 together to form a stable overall structure. This connection method is not only simple and effective but also capable of transmitting large forces and torques.

[0052] By providing connecting seats 122 on each support rod 110 and a connecting shaft 124 between the relatively arranged connecting seats 122, the structure of the entire support device becomes more stable. This design helps to reduce structural deformation or damage caused by factors such as vibration and impact during the tunneling process.

[0053] The design of the connecting seat 122 and the connecting shaft 124 makes the structure of the support device more concise and clear, reducing unnecessary complex components and connection methods. This not only reduces the manufacturing cost but also improves the reliability and service life of the support device.

[0054] According to an embodiment of the present utility model, a pair of support frames 126 are also spaced apart on the base 100. Each support frame 126 is provided with a mounting hole. The first guiding member 104 is a guiding shaft, and both ends of the guiding shaft are inserted between a pair of mounting holes. The second guiding member 114 is a guiding groove, and the guiding groove is provided on the support rod 110 along the height direction of the support rod 110, and the guiding shaft is inserted into the guiding groove.

[0055] As Figure 1 shown, in an embodiment of the present utility model, a pair of support frames 126 are spaced apart on the base 100. These two support frames 126 not only play a role in strengthening the base 100 but also provide a stable platform for the installation of the first guiding member 104.

[0056] Each support frame 126 is provided with a pair of mounting holes, the positions and sizes of which are precisely designed to ensure that the first guide member 104 (i.e., the guide shaft) can be accurately inserted therein. As an important guide component, the guide shaft has its two ends inserted between the pair of mounting holes, forming a stable guide track.

[0057] At the same time, the second guide member 114 on the movable bracket 108 is designed as a guide groove. This guide groove is opened on the support rod 110 along the height direction of the support rod 110, and its shape and size match the guide shaft to ensure that the guide shaft can smoothly pass through the guide groove. When the movable bracket 108 moves along the guide groove under the action of the driving member 102, the guide shaft can guide and limit the moving track of the movable bracket 108 so that it always remains in a predetermined direction.

[0058] The support frame 126 added to the base 100 and the guide shaft installed through the mounting hole provide a stable support foundation for the entire support device. This design significantly enhances the anti-overturning ability and stability of the support device during the excavation process, and reduces structural deformation or damage caused by factors such as vibration and impact.

[0059] The use of the guide shaft and the guide groove ensures high-precision guidance of the movable bracket 108 during movement. This design enables the movable bracket 108 to always move along a predetermined track, avoiding poor support effects or safety accidents caused by deviation or shaking.

[0060] By designing the first guide member 104 as a guide shaft, the second guide member 114 as a guide groove, and ingeniously using the support frame 126 and the mounting hole for installation and fixation, the support device in this embodiment is more concise and clear in structure. This design not only reduces the manufacturing cost and complexity, but also improves the reliability and maintainability of the support device.

[0061] The design of the guide groove along the height direction of the support rod 110 enables the support device to better adapt to the requirements of different excavation depths. When the excavation depth increases, effective support effects can be achieved by simply adjusting the height of the movable bracket 108 and the support plate 116 accordingly. This design improves the flexibility and adaptability of the support device.

[0062] According to an embodiment of the present invention, a reinforcement plate 128 is connected between the pair of support frames 126 , and a relief hole 130 for evading the connection seat 122 and the connection shaft 124 is formed on the reinforcement plate 128 .

[0063] like Figure 2As shown, in an embodiment of the present utility model, in order to further enhance the structural strength of the base 100 of the support device for tunneling, especially in the area between the support frames 126, a pair of reinforcing plates 128 are designed to connect the two support frames 126. This design not only improves the overall rigidity of the base 100, but also helps to disperse the stress and vibration generated during tunneling, ensuring the stable operation of the support device.

[0064] The design of the reinforcing plate 128 fully considers the connection method with the support frame 126 to ensure a firm and stable connection. At the same time, in order not to affect the normal operation of other components inside the support device, especially the components related to the connection seat 122 and the connection shaft 124, avoidance holes 130 are carefully opened on the reinforcing plate 128. The positions and sizes of these avoidance holes 130 are accurately calculated to ensure that the connection seat 122 and the connection shaft 124 can pass through the reinforcing plate 128 smoothly without any obstruction.

[0065] The addition of the reinforcing plate 128 greatly enhances the connection strength between the support frames 126, making the entire base 100 structure more stable. This design helps to resist the huge stress and vibration generated during tunneling and extends the service life of the support device. Through the connection of the reinforcing plate 128, the stress distribution on the base 100 is optimized. The stress that might originally concentrate at the connection of the support frames 126 can now be more evenly dispersed throughout the entire base 100, reducing the risk of local stress concentration.

[0066] The design of the avoidance holes 130 fully considers the layout and working requirements of other components inside the support device. The opening of these holes ensures that key components such as the connection seat 122 and the connection shaft 124 can move freely without obstruction, thus ensuring the overall performance and stability of the support device. The enhanced base 100 structure and optimized stress distribution make the support device more stable and reliable during tunneling, reducing the risk of safety accidents caused by structural failure. This is of great significance for ensuring the safety of operating personnel and the safe operation of equipment.

[0067] According to an embodiment of the present utility model, an avoidance groove 132 is provided on the base 100, an installation groove is provided on the support plate 116, the top end of the support rod 110 is in interference fit with the installation groove, and when the support rod 110 is close to the base 100, the avoidance groove 132 is used to avoid the bottom end of the support rod 110.

[0068] As Figure 2As shown, in an embodiment of the present utility model, in order to further optimize the structural design of the support device for tunneling, improve its assembly efficiency and stability, special improvements are made to the base 100 and the support plate 116. Specifically, an avoidance groove 132 is opened on the base 100, and a mounting groove is opened on the support plate 116. The design of these two grooves ingeniously solves the problems that may be encountered during the installation and operation of the support rod 110.

[0069] The avoidance groove 132 on the base 100 is designed to provide sufficient space for the bottom end of the support rod 110 to avoid interference when the support rod 110 approaches the base 100. This design ensures that the support rod 110 can be smoothly inserted into the mounting groove of the support plate 116 and will not be obstructed by the base 100 during the installation process. At the same time, the avoidance groove 132 also helps to reduce the stress concentration generated by the support rod 110 when subjected to external forces, improving the durability of the entire support device.

[0070] The mounting groove on the support plate 116 forms an interference fit with the top end of the support rod 110. Interference fit is a way of tight fit. By creating a certain amount of interference (i.e., the dimensional difference between the mating surfaces) between the mating surfaces, the purpose of improving the connection strength and sealing performance is achieved. In this embodiment, the interference fit between the top end of the support rod 110 and the mounting groove ensures that the support plate 116 can be firmly fixed on the support rod 110 and is not easily loosened or detached. At the same time, this mating method also helps to reduce the vibration and noise of the support plate 116 during tunneling, improving the comfort of the working environment.

[0071] The design of the avoidance groove 132 simplifies the installation process of the support rod 110, reduces the interference and adjustment work during assembly, thereby improving the assembly efficiency. The interference fit between the top end of the support rod 110 and the mounting groove ensures a firm connection between the support plate 116 and the support rod 110, improving the overall stability of the support device. The design of the avoidance groove 132 and the interference fit helps to optimize the stress distribution inside the support device, reduce the occurrence of stress concentration phenomena, and improve the durability and safety of the support device. By reducing the vibration and noise of the support plate 116 during tunneling, the working environment of the operators is improved, and the work efficiency and comfort are increased.

[0072] According to an embodiment of the present utility model, a first rotating shaft 134 is hinged on the base 100. A pair of rotating arms 136 are fixedly connected to both ends of the first rotating shaft 134. A second rotating shaft 138 is hinged on the pair of rotating arms 136. A rolling body 140 is rotatably connected to the second rotating shaft 138.

[0073] As Figures 1 to 3As shown, in an embodiment of the present utility model, in order to enhance the adaptability and flexibility of the support device for tunneling under complex geological conditions, the base 100 is designed to be more complex and functional. Specifically, a first rotating shaft 134 is hinged on the base 100, and the design of this rotating shaft enables the rotating arm 136 to rotate relative to the base 100.

[0074] Both ends of the first rotating shaft 134 are fixedly connected with a pair of rotating arms 136. These two rotating arms 136, as connecting components, closely connect the first rotating shaft 134 with subsequent components. The design of the rotating arm 136 not only needs to consider its strength and stiffness to ensure the stress and bumps suffered by the support device for tunneling during the traveling process.

[0075] On the rotating arm 136, a second rotating shaft 138 is further hinged. Different from the first rotating shaft 134, the main function of the second rotating shaft 138 is to connect the rolling body 140 and allow it to rotate around its own axis. The design of the rolling body 140 can be selected according to actual needs, such as rollers, etc. Its main function is to reduce the friction between the support device and the ground or other objects when the support device moves or adjusts its position, reduce energy consumption and improve operation efficiency.

[0076] The design of the first rotating shaft 134 and the rotating arm 136 enables the support device to rotate or swing around it, so that the rotating arm 136 can be lowered when the support device for tunneling needs to be moved. The combined use of the second rotating shaft 138 and the rolling body 140 effectively reduces the friction between the support device and the ground or other objects when the support device moves or adjusts its position. This design not only reduces energy consumption, but also extends the service life of the support device, and reduces the noise and wear generated by friction. The rotational movement of the rolling body 140 makes the support device move more smoothly and efficiently. Compared with sliding, rolling has lower resistance and higher speed, so it can significantly improve the operation efficiency of the support device.

[0077] According to an embodiment of the present utility model, a first locking member 142 is provided on the first rotating shaft 134, and the first locking member 142 is used to lock the relative position of the first rotating shaft 134 and the base 100.

[0078] As Figures 1 to 3 shown, in an embodiment of the present utility model, in order to further improve the stability and safety of the support device for tunneling, a first locking member 142 is particularly added on the first rotating shaft 134. The main purpose of this design is to be able to lock the relative position between the first rotating shaft 134 and the base 100 when needed, preventing the support device from rotating or swinging unnecessarily due to unexpected situations during tunneling.

[0079] The specific form of the first locking member 142 can be selected according to actual needs. Common ones include fasteners such as bolts, nuts, and pins, as well as more complex mechanical locking devices. Regardless of the form adopted, the first locking member 142 needs to have sufficient strength and reliability to ensure that the relative position between the first rotating shaft 134 and the base 100 can be firmly fixed in the locked state.

[0080] During use, when the support device is adjusted to the appropriate tunneling position, the operator can operate the first locking member 142 to lock the relative position between the first rotating shaft 134 and the base 100. Once the locking member is fully locked, the support device can maintain a stable posture during tunneling, thus ensuring the safety and smooth progress of the tunneling operation.

[0081] The design of the first locking member 142 enables the support device to maintain a stable posture during tunneling, preventing unnecessary rotation or swinging due to unexpected situations. By locking the relative position between the first rotating shaft 134 and the base 100, the risk of loosening or falling off of the support device caused by factors such as vibration and impact during tunneling can be reduced, thereby further improving the safety of the support device.

[0082] According to an embodiment of the present invention, a second locking member 144 is provided on the second rotating shaft 138, and the second locking member 144 is used to lock the relative position between the second rotating shaft 138 and the rolling element 140.

[0083] As Figures 1 to 3 shown, in an embodiment of the present invention, in order to further enhance the stability and reliability of the tunneling support device under complex geological conditions, especially at the connection part between the rolling element 140 and the second rotating shaft 138, a second locking member 144 is particularly added. The main purpose of this design is to be able to lock the relative position between the second rotating shaft 138 and the rolling element 140 when needed, preventing the rolling element 140 from shifting or falling off due to external forces during tunneling.

[0084] The specific form of the second locking member 144 can also be selected according to actual needs. Common ones include fasteners such as bolts, nuts, and pins, as well as more complex mechanical locking devices. These locking members need to have sufficient strength and precision to ensure that the relative position between the second rotating shaft 138 and the rolling element 140 can be firmly fixed in the locked state, and at the same time, it will not hinder the normal rotation of the rolling element 140.

[0085] In use, when the rolling body 140 is installed on the second rotating shaft 138 and the tunneling support device is adjusted to a suitable position, the operator can lock the relative position between the second rotating shaft 138 and the rolling body 140 by operating the second locking member 144. Once the locking member is fully locked, the rolling body 140 can remain stationary during tunneling, thus ensuring the overall stability and operating efficiency of the support device.

[0086] The design of the second locking member 144 enables the rolling body 140 to remain stable during tunneling, preventing it from shifting or falling off due to external forces. This stability is crucial for ensuring the overall stability and operating efficiency of the support device. By locking the relative position between the second rotating shaft 138 and the rolling body 140, the safety risks caused by the loosening or falling off of the rolling body 140 during tunneling can be reduced. This design improves the safety performance of the support device under complex geological conditions.

[0087] According to an embodiment of the present invention, a supporting plate 146 is provided at the bottom of the base 100, and the length of the swing arm 136 is greater than the distance between the first rotating shaft 134 and the bottom of the supporting plate 146.

[0088] As Figures 1 to 3 shown, in an embodiment of the present invention, in order to improve the stability and supporting performance of the tunneling support device, a supporting plate 146 is specifically provided at the bottom of the base 100, and the length of the swing arm 136 is designed to be greater than the distance between the first rotating shaft 134 and the bottom of the supporting plate 146. This design not only enhances the overall structural strength of the support device but also ensures its stable support during tunneling.

[0089] As the contact component between the base 100 and the ground or other supporting surfaces, the main function of the supporting plate 146 is to disperse and bear the weight of the support device and its upper part, and prevent the base 100 from sinking or deforming due to uneven stress during tunneling. The supporting plate 146 is usually made of high-strength and wear-resistant materials to ensure its good stability and durability during use.

[0090] The length design of the swing arm 136 fully considers the working requirements and stability requirements of the support device during tunneling. Since the swing arm 136 needs to connect the first rotating shaft 134 and the second rotating shaft 138 and support the operation of the rolling body 140, its length must be long enough to ensure that the swing arm 136 can be turned downward for normal use when moving the tunneling support device.

[0091] The design of the supporting plate 146 and the swing arm 136 together enhances the overall stability of the support device. The supporting plate 146 ensures stable contact between the base 100 and the ground or other supporting surfaces, while the swing arm 136, through its length design, ensures continuous contact with the ground during movement.

[0092] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A support device for excavation, characterized in that: include: A base (100), wherein a driving member (102) is provided on the base (100), and a first guide member (104) is also provided on the base (100); A driving gear (106) drivingly connected to the driving member (102); A movable bracket (108), wherein a support rod (110) is provided on the movable bracket (108), a rack (112) is provided on the support rod, the rack (112) is transmission-connected to the driving gear (106), and a second guide member (114) for guiding and cooperating with the first guide member (104) is provided on the movable bracket (108); A supporting plate (116) is installed on the top of the movable bracket (108).

2. The excavation support device according to claim 1, characterized in that: Two pairs of mounting seats (118) are arranged on the base (100), each pair of the mounting seats (118) are arranged at intervals, and each pair of the mounting seats (118) is rotatably provided with a pair of driving gears (106), the number of the support rods (110) and the number of the mounting seats (118) correspond one to one, a fixing seat (120) is arranged between each pair of the mounting seats (118), the driving member (102) is installed on the fixing seat (120), and the driving member (102) is in transmission connection with the driving gears (106) on each pair of the mounting seats (118).

3. The excavation support device according to claim 2, characterized in that: A connecting seat (122) is provided on each of the support rods (110), and a connecting shaft (124) is provided between two connecting seats (122) that are arranged opposite to each other.

4. The excavation support device according to claim 3, characterized in that: A pair of support frames (126) are also arranged at intervals on the base (100), each of the support frames (126) is provided with a mounting hole, the first guide member (104) is a guide shaft, and both ends of the guide shaft are passed through the pair of mounting holes, and the second guide member (114) is a guide groove, and the guide groove is opened on the support rod (110) along the height direction of the support rod (110), and the guide shaft is passed through the guide groove.

5. The excavation support device according to claim 4, characterized in that: A reinforcing plate (128) is connected between the pair of support frames (126), and a relief hole (130) for evading the connecting seat (122) and the connecting shaft (124) is provided on the reinforcing plate (128).

6. The excavation support device according to claim 1, characterized in that: The base (100) is provided with an avoidance groove (132), the support plate (116) is provided with a mounting groove, the top end of the support rod (110) is interference-fitted with the mounting groove, and when the support rod (110) is close to the base (100), the avoidance groove (132) is used to avoid the bottom end of the support rod (110).

7. The excavation support device according to any one of claims 1 to 6, characterized in that: A first rotating shaft (134) is hingedly connected to the base (100); a pair of rotating arms (136) are fixedly connected to both ends of the first rotating shaft (134); a second rotating shaft (138) is hingedly connected to the pair of rotating arms (136); and a rolling body (140) is rotatably connected to the second rotating shaft (138).

8. The excavation support device according to claim 7, characterized in that: A first locking member (142) is provided on the first rotating shaft (134), and the first locking member (142) is used to lock the relative position of the first rotating shaft (134) and the base (100).

9. The excavation support device according to claim 7, characterized in that: A second locking member (144) is provided on the second rotating shaft (138), and the second locking member (144) is used to lock the relative position of the second rotating shaft (138) and the rolling body (140).

10. The excavation support device according to claim 7, characterized in that: A supporting plate (146) is provided at the bottom of the base (100), and the length of the rotating arm (136) is greater than the distance between the first rotating shaft (134) and the bottom of the supporting plate (146).

Images