Advanced support device
The advanced support device with multi-angle and height-length adjustment solves the problem of flexibility in roadway support under changing geological conditions, improves the accuracy and stability of support, and reduces safety risks.
Patent Information
- Application Number
- CN202511178176.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-21
- Publication Date
- 2025-11-04
AI Technical Summary
Existing advanced support devices cannot provide sufficient flexibility when facing tunnels with frequently changing geological conditions, increasing the risk of tunnel collapse.
An advanced support device was designed, which achieves multi-angle rotation adjustment by pushing components, combined with height and length adjustment, and equipped with casters and position fixing components to ensure the stability and flexibility of the device under different geological conditions.
It improved the accuracy and effectiveness of support, enhanced the adaptability and stability of the device at different construction sites, and reduced safety hazards.
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Figure CN120889608A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of support, in particular to a kind of advanced support device. BACKGROUND
[0002] Roadway advanced support support is used in the junction of fully mechanized working face and crossheading, its main function is to realize the support of roadway end roof and provide transport machine and transfer machine lap joint, so that the support and advancing of entire working face can be safely and smoothly carried out.
[0003] According to the search, the Chinese patent with publication number CN207363693U discloses a kind of suspended advanced support device, it is convenient to operate, it is small to occupy space, it is convenient to move suspended advanced support device, however still there are following defects, the fixed angle design in prior art in front of probe beam is more fixed, its support angle cannot be flexibly adjusted according to the specific situation of roadway roof, the fixed angle design cannot provide enough flexibility when facing the roadway of frequent change of geological condition, thereby increase the risk of roadway collapse. SUMMARY
[0004] (I) technical problem solved In view of the deficiencies in the prior art, the present application provides an advanced support device, mainly to solve the problem that the fixed angle design cannot provide enough flexibility when facing the roadway of frequent change of geological condition, thereby increase the risk of roadway collapse.
[0005] (II) technical scheme To achieve the above object, the present application provides the following technical scheme: An advanced support device, comprising a bottom plate, the bottom plate is provided with a position fixing assembly, the upper surface of the bottom plate is fixedly connected with a first fixing frame, the top inner wall of the first fixing frame is fixedly connected with a first air cylinder, one end of the first air cylinder piston rod is fixedly connected with a second fixing frame, the upper surface of the second fixing frame is fixedly connected with two fixed blocks, the top of the two fixed blocks is movably connected with a first support frame, the second fixing frame is provided with a pushing assembly for pushing the first support frame to rotate, the pushing assembly comprises a second air cylinder, the second air cylinder is fixed on the first fixing frame through bolts, one end of the second air cylinder piston rod penetrates through the second fixing frame and is fixedly connected with a U-shaped frame, the inside of the U-shaped frame is movably connected with a sliding block, the bottom of the first support frame is fixedly connected with a first sliding rail, and the sliding block is slidably connected with the first sliding rail, a plurality of sliding grooves are formed in the first support frame, a plurality of support plates are movably connected in the sliding grooves, the support plates and the first support frame are fixed by a latch assembly, and adjacent two support plates are fixedly connected with a connecting plate.
[0006] Further, the plug-in assembly comprises two second sliding rails, a first sliding plate movably connected between the two second sliding rails, a protrusion fixedly connected to the top of the first sliding plate, a threaded rod movably connected to the first sliding plate and the protrusion, a threaded groove formed in the bottom of the first support frame, and the threaded rod threadedly connected to the threaded groove through the first sliding plate and the protrusion.
[0007] On the basis of the foregoing scheme, two vertical plates of the second fixing frame are fixedly connected with third sliding rails, and the first fixing frame is slidably connected with the second fixing frame.
[0008] As a further scheme of the present application, the position fixing assembly comprises two fourth sliding rails fixed on the upper surface of the bottom plate by bolts, a second sliding plate movably connected between the two fourth sliding rails, a second sprocket movably connected to the two ends of the second sliding plate, a drill bit fixedly connected to the bottom of the second sprocket, a first sprocket movably connected to the middle position of the bottom plate, a chain engaged between the first sprocket and the two second sprockets, a second support frame fixedly connected to the upper surface of the bottom plate, a motor fixedly connected to the upper surface of the second support frame, and the output shaft of the motor fixedly connected to the first sprocket at one end, and a third air cylinder fixedly connected to the bottom of the bottom plate, and the piston rod of the third air cylinder fixedly connected to the second sliding plate at one end.
[0009] Further, the two sides of the support plate are fixedly connected with limiting blocks, and limiting grooves are formed in the two sides of the sliding groove of the first support frame, and the limiting grooves are slidably connected with the limiting blocks at adjacent positions.
[0010] On the basis of the foregoing scheme, one side of the connecting plate is fixedly connected with two guide rods, and the guide rods are slidably connected with the first support frame.
[0011] As a further scheme of the present application, the bottom of the bottom plate is fixedly connected with a plurality of universal wheels, and the plurality of universal wheels are symmetrically distributed.
[0012] Further, the bottom end of the threaded rod is fixedly connected with a knob.
[0013] (Three) beneficial effects Compared with the prior art, the present application provides an advanced support device, which has the following beneficial effects: 1. The present application not only enables the first support frame to realize multi-angle rotation adjustment through the arrangement of the pushing assembly, so that the device can adapt to different support angle requirements, but also enables the height of the first support frame to be adjusted, so that it can adapt to various construction site environments, further improving the accuracy and effectiveness of support.
[0014] 2、The length of the first support frame and the support plate is adjusted and fixed by changing the position of the support plate on the first support frame and cooperating with the use of the bolt, so that the staff can flexibly adjust the position of the support plate according to the actual support demand, better play the supporting role, and the use is more flexible.
[0015] 3、The staff can move the whole advanced support device to the designated position on the construction site through the universal wheel, and the position of the device can be further fixed after the drill is inserted into the ground through the self-locking universal wheel and the position fixing assembly, so that the convenience and stability of the device in transferring between different construction areas are improved.
[0016] 4、The position of the support plate is limited when sliding through the cooperation of the limiting block and the limiting groove and the sliding connection of the guide rod and the first support frame, so that the stable movement of the support plate is ensured, and the safety hidden danger caused by the shaking or displacement of the support plate is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a three-dimensional structure schematic view of an advanced support device proposed by the present application; Figure 2 It is a partial enlarged structure schematic view of an advanced support device proposed by the present application; Figure 3 It is a first support frame cross-sectional structure schematic view of an advanced support device proposed by the present application; Figure 4 It is a partial cross-sectional structure schematic view of an advanced support device proposed by the present application; Figure 5 It is a second support frame cross-sectional structure schematic view of an advanced support device proposed by the present application.
[0018] In the figure: 1, first support frame; 2, sliding groove; 3, support plate; 4, guide rod; 5, connecting plate; 6, first fixing frame; 7, bottom plate; 8, universal wheel; 9, first air cylinder; 10, second fixing frame; 11, fixed block; 12, U-shaped frame; 13, first sliding rail; 14, second sliding rail; 15, recess; 16, first sliding plate; 17, sliding block; 18, second air cylinder; 19, third sliding rail; 20, limiting groove; 21, limiting block; 22, protruding block; 23, threaded groove; 24, threaded rod; 25, fourth sliding rail; 26, second sliding plate; 27, second support frame; 28, first sprocket; 29, chain; 30, second sprocket; 31, drill bit; 32, third air cylinder. DETAILED DESCRIPTION
[0019] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.
[0020] With reference to Figures 1-5 The advanced support device comprises a bottom plate 7, a position fixing assembly is arranged on the bottom plate 7, the position fixing assembly comprises two fourth sliding rails 25, the two fourth sliding rails 25 are fixed on the upper surface of the bottom plate 7 through bolts, a second sliding plate 26 is slidably connected between the two fourth sliding rails 25, second sprockets 30 are rotatably connected to the two ends of the second sliding plate 26, drill bits 31 are welded to the bottoms of the second sprockets 30, a first sprocket 28 is rotatably connected to the middle position of the bottom plate 7, a chain 29 is wound and engaged between the first sprocket 28 and the two second sprockets 30, a second support frame 27 is fixed on the upper surface of the bottom plate 7 through bolts, a motor is fixed on the upper surface of the second support frame 27 through bolts, and the output shaft of the motor is fixed to the first sprocket 28 at one end, a third cylinder 32 is fixed to the bottom of the bottom plate 7 through bolts, the motor drives the first sprocket 28 to rotate, the second sprockets 30 are driven to rotate through the chain 29, the drill bits 31 are driven to rotate, then the third cylinder 32 is started, the piston rod of the third cylinder 32 drives the second sliding plate 26 to slide along the fourth sliding rails 25, and the drill bits 31 are drilled into the ground, so that the device is fixed, and the piston rod of the third cylinder 32 is fixed to the second sliding plate 26 at one end. The transmission mode is efficient and stable, and reliable power is provided for the operation of the drill bits 31.
[0021] In particular, a first fixing frame 6 is fixed on the upper surface of the bottom plate 7 through bolts, a first cylinder 9 is fixed on the inner wall of the top of the first fixing frame 6 through bolts, a second fixing frame 10 is fixed to the first cylinder 9 at one end of the piston rod of the first cylinder 9 through bolts, the height of the second fixing frame 10 is adjusted by the extension and retraction of the first cylinder 9, two fixing blocks 11 are welded to the upper surface of the second fixing frame 10, a first support frame 1 is rotatably connected between the top portions of the two fixing blocks 11, a pushing assembly for pushing the first support frame 1 to rotate is arranged on the second fixing frame 10, the pushing assembly comprises a second cylinder 18, the second cylinder 18 is fixed on the first fixing frame 6 through bolts, a U-shaped frame 12 is fixed to the second cylinder 18 at one end of the piston rod of the second cylinder 18 through bolts, a sliding block 17 is rotatably connected to the inside of the U-shaped frame 12, a first sliding rail 13 is fixed to the bottom of the first support frame 1 through bolts, and the sliding block 17 is slidably connected to the first sliding rail 13. By arranging the pushing assembly, the first support frame 1 is adjusted to rotate at multiple angles, and the requirement of different support angles is met.
[0022] It should be noted that the first support frame 1 is provided with a plurality of sliding grooves 2, and a plurality of support plates 3 are slidably connected in the sliding grooves 2. The support plates 3 are pulled to slide along the sliding grooves 2. The support plates 3 and the first support frame 1 are fixed by a latch assembly. The latch assembly comprises two second sliding rails 14. A first sliding plate 16 is slidably connected between the two second sliding rails 14. A protrusion 22 is fixed on the top of the first sliding plate 16 by bolts. A threaded rod 24 is rotatably connected to the first sliding plate 16 and the protrusion 22. A threaded groove 23 is formed in the bottom of the first support frame 1. The threaded rod 24 is threadedly connected to the threaded groove 23 through the first sliding plate 16 and the protrusion 22. A plurality of recesses 15 are formed in the bottom of the first support frame 1. The protrusion 22 is inserted into the corresponding recess 15. Adjacent two support plates 3 are fixed by a connecting plate 5 through bolts. The first sliding plate 16 is moved upward along the second sliding rail 14 until the protrusion 22 is inserted into the corresponding recess 15, so that the position of the support plate 3 after moving on the first support frame 1 is fixed.
[0023] In the application, the two vertical plates of the second fixing frame 10 are fixed with third sliding rails 19 by bolts. The first fixing frame 6 is slidably connected with the second fixing frame 10. The two sides of the support plate 3 are welded with limiting blocks 21. The two sides of the sliding groove 2 in the first support frame 1 are provided with limiting grooves 20. The limiting grooves 20 are slidably connected with the limiting blocks 21 at adjacent positions. One side of the connecting plate 5 is fixed with two guide rods 4 by bolts. The guide rods 4 are slidably connected with the first support frame 1. The cooperation of the limiting blocks 21 and the guide rods 4 ensures the stability of the support plate 3 during sliding. The limiting blocks 21 also limit the sliding of the support plate 3, ensuring the stability and reliability of the device during use. The bottom of the bottom plate 7 is fixed with a plurality of universal wheels 8 by bolts. The plurality of universal wheels 8 are symmetrically distributed. Two universal wheels 8 have a self-locking function. The entire advanced support device can be easily moved to the designated position on the construction site. After reaching the work site, the universal wheels 8 with self-locking function can be used for auxiliary fixing. The bottom end of the threaded rod 24 is welded with a knob, which is convenient for the staff to rotate the threaded rod 24.
[0024] Working principle: when in use, first move the device to the position to be supported by the universal wheels 8, then start the motor, the motor drives the first sprocket 28 to rotate, the second sprocket 30 is driven to rotate through the chain 29, the drill bit 31 rotates, then start the third cylinder 32, the piston rod of the third cylinder 32 drives the second sliding plate 26 to slide along the fourth sliding rail 25, the drill bit 31 drills into the ground, and the device is fixed.
[0025] Then, start the first cylinder 9, the first cylinder 9 is elongated to adjust the height of the second fixing frame 10, start the second cylinder 18, the second cylinder 18 is elongated, the first support frame 1 is rotated to the required angle through the action of the U-shaped frame 12 and the sliding block 17.
[0026] Then, according to the actual supporting demand, the support plate 3 is slid in the sliding groove 2 of the first support frame 1 to the required position, the threaded rod 24 is rotated, the first sliding plate 16 is moved upward along the second sliding rail 14, until the protrusion 22 is inserted into the corresponding groove 15, so that the position of the support plate 3 after moving on the first support frame 1 is fixed, at the same time, the guide rod 4 guides the support plate 3, and the limiting block 21 slides in the limiting groove 20 to further ensure the sliding position of the support plate 3 is accurate, avoiding inclination.
[0027] The electrical components in the text are all connected with the main controller and 220V mains, and the main controller can be a conventional known device such as a computer.
[0028] In the description in the text, it should be noted that the terms "connected", "connected" should be understood broadly unless otherwise specified and limited, for example, it can be fixedly connected, it can be mechanically connected, it can be electrically connected, and it can be directly connected. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0029] In the description in the text, it should be noted that the terms "including", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device.
[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An advanced support device, comprising a base plate (7), characterized in that, The base plate (7) is provided with a position fixing assembly. A first fixing frame (6) is fixedly connected to the upper surface of the base plate (7). A first cylinder (9) is fixedly connected to the top inner wall of the first fixing frame (6). A second fixing frame (10) is fixedly connected to one end of the piston rod of the first cylinder (9). Two fixing blocks (11) are fixedly connected to the upper surface of the second fixing frame (10). A first support frame (1) is movably connected between the tops of the two fixing blocks (11). A pushing assembly for pushing the first support frame (1) to rotate is provided on the second fixing frame (10). The pushing assembly includes a second cylinder (18). The second cylinder (18) is fixed to the first support frame (1) by bolts and fixed to the first support frame (1). On a fixed frame (6), one end of the piston rod of the second cylinder (18) passes through the second fixed frame (10) and is fixedly connected to a U-shaped frame (12). A slider (17) is movably connected inside the U-shaped frame (12). A first slide rail (13) is fixedly connected to the bottom of the first support frame (1), and the slider (17) is slidably connected to the first slide rail (13). Multiple slide grooves (2) are provided on the first support frame (1), and a support plate (3) is movably connected in each of the multiple slide grooves (2). The support plate (3) is fixed to the first support frame (1) by a pin assembly. A connecting plate (5) is fixedly connected between two adjacent support plates (3).
2. The advanced support device according to claim 1, characterized in that, The pin assembly includes two second slide rails (14), and a first slide plate (16) is movably connected between the two second slide rails (14). A protrusion (22) is fixedly connected to the top of the first slide plate (16). A threaded rod (24) is movably connected to the first slide plate (16) and the protrusion (22). A threaded groove (23) is provided at the bottom of the first support frame (1), and the threaded rod (24) passes through the first slide plate (16) and the protrusion (22) and is threadedly connected to the threaded groove (23). A plurality of grooves (15) are provided at the bottom of the first support frame (1), and the protrusion (22) is inserted into the groove (15) at the corresponding position.
3. The advanced support device according to claim 1, characterized in that, The second fixed frame (10) has a third slide rail (19) fixedly connected to both vertical plates, and the first fixed frame (6) is slidably connected to the second fixed frame (10).
4. The advanced support device according to claim 1, characterized in that, The position fixing assembly includes two fourth slide rails (25), which are fixed to the upper surface of the base plate (7) by bolts. A second slide plate (26) is movably connected between the two fourth slide rails (25). A second sprocket (30) is movably connected to both ends of the second slide plate (26). A drill bit (31) is fixedly connected to the bottom of the second sprocket (30). A first sprocket (28) is movably connected to the middle position of the base plate (7). A chain (29) is meshed between the first sprocket (28) and the two second sprockets (30). A second support frame (27) is fixedly connected to the upper surface of the base plate (7). A motor is fixedly connected to the upper surface of the second support frame (27), and one end of the motor output shaft is fixed to the first sprocket (28). A third cylinder (32) is fixedly connected to the bottom of the base plate (7), and one end of the piston rod of the third cylinder (32) is fixed to the second slide plate (26).
5. The advanced support device according to claim 1, characterized in that, Both sides of the support plate (3) are fixedly connected to limit blocks (21), and the first support frame (1) is provided with limit grooves (20) on both sides of the slide groove (2), and the limit grooves (20) are slidably connected to the limit blocks (21) at adjacent positions.
6. The advanced support device according to claim 1, characterized in that, Two guide rods (4) are fixedly connected to one side of the connecting plate (5), and the guide rods (4) are slidably connected to the first support frame (1).
7. The advanced support device according to claim 1, characterized in that, The bottom of the base plate (7) is fixedly connected to multiple casters (8), and the multiple casters (8) are symmetrically distributed.
8. The advanced support device according to claim 2, characterized in that, A knob is fixedly connected to the bottom end of the threaded rod (24).
Citation Information
Patent Citations
Hang and move advance support device
CN207363693U