A flow guide groove cover plate

Abstract

The application discloses a guide groove cover plate and belongs to the field of guide groove cover plates. The guide groove cover plate comprises a table body, a guide groove body is arranged in the table body, two symmetrically-distributed slide rails are fixedly installed in the guide groove body, and two symmetrically-distributed cover plate bodies are arranged between the two slide rails. The cover plate body comprises fixed plates fixedly installed between the two slide rails, movable plates are slidably installed between the two fixed plates, and multiple straight-line-arrayed supporting plates are arranged between the movable plates and the fixed plates on the same side. The guide groove body can be opened by the setting of the pulling assembly, the cover plate body is hinged by the movable plates, the connecting plates, the supporting plates and the fixed plates, has the functions of stretching, folding and retracting, the storage space of the cover plate body is reduced, and the use effect of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of flow guide groove cover plates, and more particularly to a flow guide groove cover plate. BACKGROUND

[0002] A launch pad of a carrier rocket is provided with a flow guide groove, which has the functions of discharging combustion gas flow, buffering, environmental protection and cooling, and prevents combustion gas from backfiring or colliding with ground facilities, thereby protecting the safety of the rocket and the ground facilities. Specifically, the flow guide groove guides the combustion gas flow generated when the rocket is ignited to the outside of the launch pad, thereby preventing the high-temperature combustion gas from damaging the launch facilities and the tail of the rocket. A large amount of water is usually present in the flow guide groove, and the high-temperature flame will form white water mist when it encounters water. These water mists not only have the function of cooling, but also can absorb part of the sound energy, thereby reducing the impact noise of the combustion gas flow. A cover plate is usually arranged in the flow guide groove to facilitate the standing and maintenance of the staff.

[0003] Some existing flow guide groove inner cover plates are integrally arranged, which may occupy a large space and is relatively cumbersome to move and open and close, thereby reducing the efficiency of opening and closing the cover plate and possibly affecting the work efficiency of the staff. Therefore, the present application provides a flow guide groove cover plate. SUMMARY

[0004] To solve the above problems, the present application provides a flow guide groove cover plate, which adopts the following technical scheme:

[0005] A flow guide groove cover plate, comprising a table body, a flow guide groove body is arranged in the table body, two symmetrically distributed sliding rails are fixedly installed in the flow guide groove body, and two symmetrically distributed cover plate bodies are arranged between the two sliding rails.

[0006] The cover plate body comprises a fixed plate fixedly installed between the two sliding rails, a moving plate is slidably installed between the two fixed plates, a plurality of straight-line arrayed supporting plates are arranged between the moving plate and the fixed plate on the same side, a connecting plate is hingedly connected between the fixed plate and the adjacent supporting plate on the same side, between the moving plate and the adjacent supporting plate on the same side, and between the adjacent two supporting plates on the same side, two symmetrically distributed driving wheels are fixedly installed at the bottom end of the moving plate and the supporting plate, two symmetrically distributed mounting blocks are fixedly installed at the bottom end of the moving plate, a pulling assembly is arranged between the moving plate and the table body, a first locking assembly and a second locking assembly are arranged between the top ends of the two moving plates, receiving grooves are arranged in the inner walls of the two sides of the flow guide groove body, and a bearing assembly is arranged between the two receiving grooves.

[0007] By adopting the above technical scheme, when the cover plate body needs to be opened during use of the equipment, the moving plate is driven to slide between the two slide rails by the pulling assembly, and the bottom of the moving plate is provided with a driving wheel, which is beneficial to keep the stability of the sliding of the moving plate. The moving plate pushes the same side connecting plate and supporting plate to slide synchronously, and the same side moving plate, connecting plate and supporting plate are hinged, so that the cover plate body has flexibility, which is beneficial to reduce the storage space of the cover plate body. When the flow guide groove body needs to be closed, the moving plate moves synchronously with the connecting plate and the supporting plate by the operation of the pulling assembly, so that the two moving plates move towards each other, and then the two moving plates are attached, which can play a role in closing the flow guide groove body. The first locking assembly and the second locking assembly are arranged between the two moving plates, which can play a role in fixing the two moving plates, which is beneficial to keep the stability of the butt joint of the two cover plate bodies. When the butt joint of the two cover plate bodies is completed, the two cover plate bodies below can be driven by the carrying assembly, which can play a role in carrying the cover plate body, which is beneficial to increase the carrying capacity of the cover plate body and facilitate the subsequent work of the staff standing.

[0008] Further, the pulling assembly comprises two groups of mounting seats fixedly installed on the side walls of the table body, and the mounting seats in the same group are two and symmetrically distributed on the side walls of the table body. The top end of each mounting seat is provided with a speed reducer motor, the output shaft of the speed reducer motor is connected with a speed reducer, and the rotating shaft side wall of the speed reducer is fixedly provided with a winding roller. The side wall of the winding roller is fixedly installed with two symmetrically distributed baffles. Two symmetrically distributed installation grooves are formed in the two sides of the flow guide groove body. The second steel cable is arranged on the side of the installation block close to the mounting seat. The side wall of the second steel cable is provided with a spring. The spring is arranged in the installation slot on the side of the installation block close to the mounting seat. The end of the second steel cable close to the mounting seat penetrates the table body and is wound on the winding roller on the same side.

[0009] By adopting the above technical scheme, the same group of speed reducer motors drives the same group of reducers to rotate, and the reducers drive the same side winding rollers and baffles to rotate synchronously, which can play a role in winding the second steel cable. The installation block is pulled by the second steel cable, and the installation block extrudes the contraction of the spring on the same side. The two second steel cables pull the moving plate between the two slide rails, and the moving plate pushes the same side connecting plate and supporting plate to move, which can play a role in retracting the cover plate body. When the flow guide groove body needs to be closed, the winding roller is driven in reverse by the speed reducer motor, which can play a role in unwinding the second steel cable. Then, the installation block moves away from the mounting seat under the elastic force of the spring on the same side, and then the two cover plate bodies are unfolded, which can play a role in closing the flow guide groove body.

[0010] Further, two symmetrically distributed installation frames are fixedly installed on the two sides of the table body. Two symmetrically distributed supporting wheels are rotatably installed in the installation frames. The end of the second steel cable close to the mounting seat is located between the two supporting wheels on the same side and slides.

[0011] By adopting the technical scheme, the second cable slides between the two supporting wheels on the same side, the supporting wheels can support the second cable, and the friction of the second cable during sliding is reduced, so that the second cable is protected.

[0012] Further, the first locking assembly comprises two first mounting plates fixedly installed at the top end of one of the moving plates, a clamping plate rotatably installed between the two first mounting plates, two second mounting plates symmetrically distributed and fixedly installed at the top end of the other moving plate, a fixed rod fixedly installed between the two second mounting plates, recesses formed in the sides of the two first mounting plates close to the second mounting plates, a handle fixedly installed at the top end of the clamping plate, and a fixing groove formed in the bottom end of the clamping plate.

[0013] By adopting the technical scheme, when the two moving plates are butted, the clamping plate slides in the recess formed in the side wall of the first mounting plate, and the fixed rod pushes the clamping plate to move upward, the clamping plate is lowered under the action of gravity after the fixed rod exceeds the fixing groove, and then the fixed rod and the fixing groove are clamped, so that the two moving plates are preliminarily fixed.

[0014] Further, the second locking assembly comprises two first supporting blocks fixedly installed at the top end of one of the moving plates, a second supporting block fixedly installed at the top end of the other moving plate, the cross sections of the first supporting block and the second supporting block are in inverted "L" shape, the horizontal section of the second supporting block is lower than that of the first supporting block, through holes are formed in the horizontal sections of the first supporting block and the second supporting block, and a positioning pin is arranged between the first supporting block and the second supporting block on the same side.

[0015] By adopting the technical scheme, when the two moving plates are butted, the horizontal section of the second supporting block moves below the horizontal section of the first supporting block on the same side, so that the second supporting block and the first supporting block on the same side are attached, and then the positioning pin passes through the through holes formed in the top ends of the first supporting block and the second supporting block on the same side, so that the first supporting block and the second supporting block are fixed, and the two cover plate bodies are further fixed.

[0016] Further, the bearing assembly comprises supporting plates slidably installed on the inner walls at the bottom end of the receiving grooves, push plates fixedly installed on the opposite sides of the two supporting plates, two air cylinders fixedly installed on the inner walls of the opposite sides of the two receiving grooves, the piston shaft ends of the two air cylinders on the same side are fixedly connected to the opposite sides of the push plate on the same side, bearing plates are arranged above the two supporting plates, and a plurality of telescopic rods in linear array are arranged between the top end of the supporting plate and the bottom end of the bearing plate on the same side.

[0017] By adopting the above technical scheme, when the two cover plate bodies are butt-jointed, the same-side push plates and the support plates are driven to slide out of the storage grooves by the same-side two air cylinders, the support plates move synchronously with the same-side telescopic rods and the bearing plates, and then the two bearing plates are in close contact on the opposite sides, and then the two bearing plates are driven to rise synchronously by the two groups of telescopic rods and are in contact with the bottom of the cover plate body, so that the cover plate body can be supported, the bearing capacity of the cover plate body is improved, and then the subsequent workers can stand stably.

[0018] Further, two symmetrically distributed insertion rods are fixedly installed on the opposite sides of the two bearing plates, two insertion grooves matched with the insertion rods are formed on the opposite sides of the two bearing plates, and the two groups of insertion rods are distributed in a staggered manner.

[0019] By adopting the above technical scheme, when the support plates slide in the same-side storage grooves, the support plates slide in the same-side sliding grooves with the sliding blocks, the cooperation of the sliding blocks and the sliding grooves is beneficial to keeping the stability of the movement of the support plates, and the support plates can be stably supported, which is beneficial to keeping the stability of the bearing of the bearing plates by the support plates.

[0020] Further, two symmetrically distributed hanging rings are fixedly installed at the top ends of the two moving plates, a first steel cable is arranged on each hanging ring, one end of the first steel cable away from the hanging ring is slidably penetrated through a table body, and two symmetrically distributed connecting rings are fixedly installed on the two sides of the table body.

[0021] By adopting the above technical scheme, the first steel cable is arranged at the top end of each moving plate, when the reduction motor fails, the worker can pull the same-side moving plate between the sliding rails to slide through the first steel cable, so as to open the flow guide groove body, and then the worker fixes the first steel cable and the same-side connecting ring, so as to fix the cover plate body.

[0022] In summary, the present application has the following beneficial technical effects:

[0023] (1) In the present application, the pull assembly is arranged to pull the cover plate body, so as to open the flow guide groove body, and the cover plate body is hinged by the moving plate, the connecting plate, the support plate and the fixed plate, has the function of stretching and folding, is beneficial to reducing the storage space of the cover plate body, and is beneficial to improving the use effect of the equipment.

[0024] (2) In the application, through the setting of the first locking assembly and the second locking assembly, the function of fixing the two movable plates is achieved, which is beneficial to the stability of the two cover plate bodies when they are closed, and the first steel cable is arranged on the top of each movable plate, so that the staff can manually pull and open the flow guide groove body when the pulling assembly fails.

[0025] (3) In the application, through the setting of the bearing assembly, the function of bearing and supporting the cover plate body is achieved, which is beneficial to improve the bearing effect of the cover plate body and facilitate the staff to stand on the cover plate body subsequently. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the application;

[0027] Figure 2 It is an enlarged view of A in the application; Figure 1

[0028] Figure 3 It is an enlarged view of B in the application; Figure 1

[0029] Figure 4 It is a sectional view of the application;

[0030] Figure 5 It is an enlarged view of C in the application; Figure 4

[0031] Figure 6 It is a display diagram of part of the structure in the application;

[0032] Figure 7 It is a display diagram of the cover plate body in the application;

[0033] Figure 8 It is an explosion diagram of the bearing assembly in the application.

[0034] Explanation of reference numerals in the drawing:

[0035] 1, table body; 2, flow guide groove body; 3, sliding rail; 4, cover plate body; 41, fixed plate; 42, support plate; 43, connecting plate; 44, movable plate; 5, speed reducer motor; 6, mounting seat; 7, speed reducer; 8, winding roller; 9, baffle; 10, hanging ring; 11, mounting frame; 12, supporting wheel; 13, first supporting block; 14, positioning pin; 15, connecting ring; 16, first steel cable; 17, first mounting plate; 171, groove; 18, clamping plate; 19, fixed rod; 20, second mounting plate; 21, storage groove; 22, air cylinder; 23, push plate; 24, support plate; 25, telescopic rod; 26, bearing plate; 27, insertion rod; 28, mounting block; 29, second steel cable; 30, spring; 31, mounting groove; 32, second supporting block. DETAILED DESCRIPTION​​​

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present application.

[0037] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present application. Figures 1-8 The present application will be further described in detail.

[0040] Please refer to Figures 1-8 A guide groove cover plate, comprising a table body 1, a guide groove body 2 is opened in the table body 1, two symmetrically distributed slide rails 3 are fixedly installed in the guide groove body 2, two symmetrically distributed cover plate bodies 4 are arranged between the two slide rails 3; the cover plate body 4 comprises a fixed plate 41 fixedly installed between the two slide rails 3, a moving plate 44 is slidably installed between the two fixed plates 41, a plurality of straight arrayed supporting plates 42 are arranged between the same side moving plate 44 and the fixed plate 41, a connecting plate 43 is hingedly connected between the fixed plate 41 and the adjacent one of the supporting plates 42 on the same side, between the moving plate 44 and the adjacent one of the supporting plates 42 on the same side, and between the adjacent two supporting plates 42 on the same side, two symmetrically distributed driving wheels are fixedly installed at the bottom end of the moving plate 44 and the supporting plate 42, two symmetrically distributed mounting blocks 28 are fixedly installed at the bottom end of the two moving plates 44, and a pulling assembly is arranged between the two moving plates 44 and the table body 1.

[0041] The pulling assembly comprises two groups of mounting seats 6 fixedly installed on the side wall of the table body 1, the mounting seats 6 in the same group are two and symmetrically distributed on the side wall of the table body 1, the top end of the mounting seat 6 is provided with a speed reducer 7, the output shaft of the speed reducer 5 is connected with a speed reducer 7, the side wall of the speed reducer 7 is fixedly provided with a winding roller 8, the side wall of the winding roller 8 is fixedly provided with two symmetrically distributed baffles 9, the two sides of the flow guide groove body 2 are provided with two symmetrically distributed mounting grooves 31, the mounting block 28 is provided with a second steel cable 29 close to one side of the same side mounting seat 6, the side wall of the second steel cable 29 is provided with a spring 30, and the spring 30 is located in the same side mounting groove 31 close to one end of the same side mounting seat 6. The second steel cable 29 is located on the same side winding roller 8.

[0042] The first locking assembly is arranged between the top ends of the two moving plates 44, the first locking assembly comprises two first mounting plates 17 fixedly installed on the top end of one of the moving plates 44, and a clamping plate 18 rotatably installed between the two first mounting plates 17. The top end of the other moving plate 44 is fixedly provided with two symmetrically distributed second mounting plates 20, and the two second mounting plates 20 are fixedly provided with a fixed rod 19. The side of the two first mounting plates 17 close to the second mounting plate 20 is provided with a groove 171, the top end of the clamping plate 18 is fixedly provided with a handle, and the bottom end of the clamping plate 18 is provided with a fixing groove.

[0043] The second locking assembly comprises two first supporting blocks 13 fixedly installed on the top end of one of the moving plates 44, and a second supporting block 32 fixedly installed on the top end of the other moving plate 44. The cross sections of the first supporting block 13 and the second supporting block 32 are both in the shape of inverted "L". The horizontal section of the second supporting block 32 is lower than that of the first supporting block 13. The horizontal sections of the first supporting block 13 and the second supporting block 32 are both provided with through holes. The first supporting block 13 and the second supporting block 32 on the same side are provided with a positioning pin 14.

[0044] When the cover plate body 4 needs to be opened, the staff pulls the clamping plate 18 through the handle, so that the fixing groove at the bottom of the clamping plate 18 is separated from the fixed rod 19, then the positioning pin 14 is taken out from the through hole in the side wall of the first supporting block 13 and the second supporting block 32 on the same side, then the same group of speed reducers 7 are driven to rotate by the speed reducer 5, the same side winding roller 8 and baffle 9 are driven to rotate synchronously by the speed reducer 7, which can play a role in winding the second steel cable 29. The mounting block 28 is pulled by the second steel cable 29, the mounting block 28 extrudes the spring 30 on the same side to shrink, the moving plate 44 on the same side is slid between the two sliding rails 3 by the two second steel cables 29, the moving plate 44 pushes the connecting plate 43 and the supporting plate 42 on the same side to move, which can play a role in shrinking the cover plate body 4. The moving plate 44, the connecting plate 43, the supporting plate 42 and the fixed plate 41 on the same side are hinged, so that the cover plate body 4 can be shrunk, which is conducive to reducing the storage space of the cover plate body 4.

[0045] When it is necessary to close the diversion groove body 2, the winding roller 8 is driven in reverse by the speed reducer motor 5, that is, the second steel cable 29 is unwound, then the mounting block 28 moves away from the mounting seat 6 under the elastic force of the same side spring 30, and the two cover plate bodies 4 are unfolded, that is, the diversion groove body 2 is closed. When the two moving plates 44 are abutted, they slide in the groove 171 formed in the side wall of the first mounting plate 17, and the fixed rod 19 pushes the clamping plate 18 to move upward, and the clamping plate 18 is provided with a fixed groove at the bottom, and the fixed rod 19 exceeds the fixed groove, and the clamping plate 18 descends under the action of gravity, and then the fixed rod 19 and the fixed groove are clamped, that is, the two moving plates 44 are preliminarily fixed. The horizontal section of the second supporting block 32 moves below the horizontal section of the same side first supporting block 13, so that the second supporting block 32 and the same side first supporting block 13 are attached, and then the positioning pin 14 penetrates through the through holes formed at the top of the same side first supporting block 13 and the second supporting block 32, that is, the first supporting block 13 and the second supporting block 32 are fixed, and the two cover plate bodies 4 are further fixed.

[0046] The two mounting frames 11 are symmetrically arranged on both sides of the table body 1, and the two supporting wheels 12 are rotatably installed in the mounting frames 11. The second steel cable 29 slides between the two supporting wheels 12 on the same side near one end of the mounting seat 6. The supporting wheels 12 can support the second steel cable 29 and reduce the friction when the second steel cable 29 slides.

[0047] The receiving grooves 21 are formed in the inner walls of both sides of the diversion groove body 2. The bearing assembly is arranged between the two receiving grooves 21 and includes the supporting plates 24 slidably installed on the inner walls at the bottom ends of the receiving grooves 21. The push plates 23 are fixedly installed on the opposite sides of the two supporting plates 24. The two gas cylinders 22 are fixedly installed on the inner walls of the opposite sides of the two receiving grooves 21. The piston shaft ends of the two gas cylinders 22 on the same side are fixedly connected to the opposite sides of the push plate 23 on the same side. The bearing plates 26 are arranged above the two supporting plates 24. The telescopic rods 25 are arranged between the top end of the supporting plate 24 on the same side and the bottom end of the bearing plate 26 on the same side. When the two cover plate bodies 4 are abutted, the push plate 23 and the supporting plate 24 on the same side are driven to slide outward by the two gas cylinders 22 on the same side. The supporting plate 24 moves synchronously with the telescopic rods 25 and the bearing plate 26 on the same side, so that the opposite sides of the two bearing plates 26 are attached. Then, the two bearing plates 26 are driven to rise synchronously by the two groups of telescopic rods 25 and contact the bottom of the cover plate body 4, so as to support the cover plate body 4. This is beneficial to improve the bearing capacity of the cover plate body 4 and facilitate the subsequent staff to stand stably.

[0048] The opposite side of the two bearing plates 26 is fixedly installed with two symmetrically distributed insertion rods 27, the opposite side of the two bearing plates 26 is provided with an insertion slot matched with the insertion rod 27, and the two groups of insertion rods 27 are staggered, both sides of the two supporting plates 24 are fixedly installed with sliding blocks, and the inner wall of the two receiving grooves 21 is provided with a sliding groove matched with the sliding block on the same side, when the supporting plate 24 slides in the same side receiving groove 21, the supporting plate 24 slides in the sliding groove with the sliding block, the cooperation of the sliding block and the sliding groove is beneficial to the stability of the movement of the supporting plate 24, and can support the supporting plate 24, which is beneficial to the stability of the supporting plate 24 bearing the bearing plate 26, when the two bearing plates 26 are butt-jointed, the insertion rod 27 and the insertion slot are clamped, which is beneficial to the stability of the butt-joint of the two bearing plates 26.

[0049] The top of the two moving plates 44 is fixedly installed with two symmetrically distributed hanging rings 10, the hanging ring 10 is provided with a first steel cable 16, the first steel cable 16 is slidably penetrated into the table body 1 away from the hanging ring 10 on the same side, the table body 1 is fixedly installed with two symmetrically distributed connecting rings 15 on both sides, and the top of the two moving plates 44 is provided with a first steel cable 16, when the reduction motor 5 fails, the staff can pull the same side moving plate 44 between the sliding rails 3 to slide through the first steel cable 16, and then the first steel cable 16 is fixed with the connecting ring 15 on the same side, which can fix the cover plate body 4.

[0050] The implementation principle of the embodiment of the application is: when the cover plate body 4 needs to be opened, the pulling assembly drives the moving plate 44 to slide between the two sliding rails 3, and the moving plate 44 is provided with a driving wheel at the bottom, which is beneficial to the stability of the sliding of the moving plate 44, the moving plate 44 pushes the same side connecting plate 43 and the supporting plate 42 to slide synchronously, and the same side moving plate 44, connecting plate 43 and supporting plate 42 are hinged, so that the cover plate body 4 has flexibility, which is beneficial to reduce the storage space of the cover plate body 4, when the flow guide groove body 2 needs to be closed, the pulling assembly is operated, the moving plate 44 moves with the connecting plate 43 and the supporting plate 42 synchronously, so that the two moving plates 44 move towards each other, and then the two moving plates 44 are attached, which can close the flow guide groove body 2, and the first locking assembly and the second locking assembly are arranged between the two moving plates 44, which can fix the two moving plates 44, which is beneficial to the stability of the butt-joint of the two cover plate bodies 4, when the butt-joint of the two cover plate bodies 4 is completed, the bearing assembly can be operated below the two cover plate bodies 4, which can bear the cover plate body 4, which is beneficial to increase the bearing capacity of the cover plate body 4, and is convenient for the subsequent staff to stand.

[0051] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, and thus: any equivalent changes made in the structure, shape, principle of the present application should be covered within the protection scope of the present application. In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A flume cover comprising a deck (1), characterised in that: The guide groove body (2) is internally fixedly installed with two symmetrically distributed slide rails (3), and two cover plate bodies (4) are arranged between the two slide rails (3) in a symmetrically distributed manner. The cover plate body (4) comprises fixed plates (41) fixedly installed between the two slide rails (3), and movable plates (44) slidably installed between the two fixed plates (41); a plurality of support plates (42) are arranged between the movable plate (44) and the fixed plate (41) on the same side in a linear array distribution; a connecting plate (43) is hingedly connected between the fixed plate (41) and the adjacent support plate (42) on the same side, between the movable plate (44) and the adjacent support plate (42) on the same side, and between the adjacent two support plates (42) on the same side; two drive wheels are fixedly installed at the bottom of the movable plate (44) and the support plate (42) in a symmetrically distributed manner; two installation blocks (28) are fixedly installed at the bottom of the movable plate (44) in a symmetrically distributed manner; a pulling assembly is arranged between the movable plate (44) and the table body (1); a first locking assembly and a second locking assembly are arranged between the top ends of the two movable plates (44); and receiving grooves (21) are formed in the inner walls of the two sides of the guide groove body (2). The bearing assembly comprises support plates (24) slidably installed on the inner walls at the bottom of the receiving grooves (21); push plates (23) are fixedly installed on the opposite sides of the two support plates (24); two air cylinders (22) are fixedly installed on the inner walls of the opposite sides of the two receiving grooves (21) in a symmetrically distributed manner; the piston shaft ends of the two air cylinders (22) on the same side are fixedly connected to the opposite side of the push plate (23) on the same side; bearing plates (26) are arranged above the two support plates (24); and a plurality of telescopic rods (25) are arranged between the top end of the support plate (24) and the bottom end of the bearing plate (26) on the same side in a linear array distribution. Two insertion rods (27) are fixedly installed on the opposite sides of the two bearing plates (26) in a symmetrically distributed manner; insertion grooves matched with the insertion rods (27) are formed in the opposite sides of the two bearing plates (26); and the two groups of insertion rods (27) are arranged in a staggered manner; and slide blocks are fixedly installed on the two sides of the two support plates (24); and slide grooves matched with the slide blocks on the same side are formed in the inner walls of the two receiving grooves (21).

2. The flume cover of claim 1, wherein: The pulling assembly includes two groups of mounting seats (6) fixedly installed on the side walls of the table body (1), the mounting seats (6) in the same group are two and symmetrically distributed on the side walls of the table body (1), the top end of the mounting seat (6) is provided with a speed reducer motor (5), the output shaft of the speed reducer motor (5) is connected with a speed reducer (7), the side wall of the rotating shaft of the speed reducer (7) is fixedly provided with a winding roller (8), the side wall of the winding roller (8) is fixedly installed with two symmetrically distributed baffles (9), the both sides of the flow guide groove body (2) are provided with two symmetrically distributed mounting grooves (31), the mounting block (28) is provided with a second steel cable (29) close to one side of the mounting seat (6), the side wall of the second steel cable (29) is provided with a spring (30), one end of the spring (30) close to the mounting seat (6) is located in the mounting groove (31) on the same side, and one end of the second steel cable (29) close to the mounting seat (6) on the same side penetrates the table body (1) and is wound on the winding roller (8) on the same side.

3. The flume cover of claim 2, wherein: The both sides of the table body (1) are fixedly installed with two symmetrically distributed mounting frames (11), the mounting frame (11) is rotatably installed with two symmetrically distributed supporting wheels (12), and one end of the second steel cable (29) close to the mounting seat (6) on the same side is located between the two supporting wheels (12) on the same side and slides.

4. The flume cover of claim 1, wherein: The first locking assembly includes two first mounting plates (17) fixedly installed at the top end of one of the moving plates (44), a clamping plate (18) rotatably installed between the two first mounting plates (17), two second mounting plates (20) fixedly installed at the top end of the other moving plate (44), a fixed rod (19) fixedly installed between the two second mounting plates (20), recesses (171) formed in the sides of the two first mounting plates (17) close to the second mounting plates (20), a handle fixedly installed at the top end of the clamping plate (18), and a fixing groove formed in the bottom end of the clamping plate (18).

5. The flume cover of claim 1, wherein: The second locking assembly includes two first supporting blocks (13) fixedly installed at the top end of one of the moving plates (44), a second supporting block (32) fixedly installed at the top end of the other moving plate (44), the cross sections of the first supporting block (13) and the second supporting block (32) are both in the shape of inverted "L", the horizontal section of the second supporting block (32) is lower than that of the first supporting block (13), the horizontal sections of the first supporting block (13) and the second supporting block (32) are both provided with through holes, and a positioning pin (14) is arranged between the first supporting block (13) and the second supporting block (32) on the same side.

6. The flume cover of claim 1, wherein: The top end of each of the two moving plates (44) is fixedly installed with two symmetrically distributed hanging rings (10), the hanging rings (10) are provided with first steel cables (16), one end of the first steel cable (16) away from the hanging ring (10) on the same side penetrates the table body (1) and slides, and the both sides of the table body (1) are fixedly installed with two symmetrically distributed connecting rings (15).

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