Multi-stage buffer device of rocket launching pad

Abstract

The utility model relates to the technical field of rocket launching pads, in particular to a rocket launching pad multistage buffering device which comprises a bottom plate, a top plate arranged over the bottom plate, four mounting plates connected to the top face of the bottom plate in a sliding mode, and buffering mechanisms installed between the mounting plates and the top plate. And each buffer mechanism comprises a fixed cylinder which is fixed on the top surface of the mounting plate on the same side and is internally provided with damping liquid, and a piston plate which is tightly attached to the inner wall of the fixed cylinder. The top plate can be supported by arranging the four buffering mechanisms, force borne by the top plate can be buffered when a rocket is launched, the four buffering mechanisms can be limited through the design of the four mounting plates and the limiting mechanism, the top plate and the buffering mechanisms can be conveniently disassembled and assembled through the design of the buffering mechanisms, and the reliability of the rocket launcher is improved. And therefore, the four buffer mechanisms can be disassembled and assembled conveniently, the buffer mechanisms do not need to be disassembled and assembled manually by screwing or unscrewing a plurality of screws, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of rocket launch platforms, in particular to a multi-stage buffer device for a rocket launch platform. Background Art

[0002] The rocket launch pad is used to support and fix the carrier, perform vertical adjustment, azimuth aiming, install fire-fighting pipes, ignition lines, and ignite launch, etc.

[0003] Among them, the buffer structure is an indispensable component of the rocket launch pad. In the existing technology, the buffer structure in the rocket launch pad is mostly installed between the foundation and the support seat by welding, and some buffer structures are installed on the foundation and the support seat by multiple screws. The method of fixing with multiple screws is not only inconvenient for installing the buffer structure, but also inconvenient for disassembly and maintenance. The operation is time-consuming and laborious. In view of this, we propose a multi-stage buffer device for a rocket launch pad. Utility Model Content

[0004] The purpose of the present utility model is to provide a multi-stage buffer device for a rocket launch platform to solve the problem in the prior art proposed in the above background technology that the buffer structure in the rocket launch platform is mostly installed between the foundation and the support seat by welding, and some buffer structures are installed on the foundation and the support seat by multiple screws. The fixing method with multiple screws is not only inconvenient for installing the buffer structure, but also inconvenient for disassembly and maintenance, and the operation is time-consuming and labor-intensive.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A multi-stage buffer device for a rocket launch platform includes a bottom plate, a top plate provided directly above the bottom plate, four mounting plates slidably connected to the top surface of the bottom plate, a buffer mechanism installed between the mounting plate and the top plate, the buffer mechanism including a fixed cylinder fixed to the top surface of the mounting plate on the same side and internally provided with damping fluid, a piston plate tightly fitted with the inner wall of the fixed cylinder, a piston rod fixed to the top surface of the piston plate and slidably plugged into the top surface of the fixed cylinder, a fixed disk detachably fixed to the bottom surface of the top plate and coaxially fixed to the top surface of the piston rod, and further comprising:

[0007] The control mechanism is arranged on the top surface of the base plate and is used to limit the four mounting plates. The said limiting mechanism includes two fixed plates fixed on the top surface of the base plate and symmetrical to each other, two rotating columns rotatably connected to the fixed plates on the same side, two bidirectional screw rods coaxially fixed between the two rotating columns and arranged on the left and right, two movable plates threadedly connected to the bidirectional screw rods and symmetrical to each other, a rotating rod coaxially fixed to the surface of one of the rotating columns away from the side of the bidirectional screw rods, a motor installed on the surface of one of the fixed plates away from the side of the bidirectional screw rods and used to drive the rotating rods to rotate, the front and rear surfaces of the movable plate are fixed with moving rods, and a side surface of the movable rod close to the fixed cylinder on the same side is fixed with several limiting rods slidably plugged with the two mounting plates on the same side, and the movable plate is slidably connected to the top surface of the base plate.

[0008] As a preferred embodiment, the limiting mechanism also includes two gears located above the base plate and meshing with each other, a rotating shaft coaxially connected to the motor output shaft, and the two gears are coaxially fixed on the circumferential outer walls of the rotating shaft and the rotating rod.

[0009] As a preferred embodiment, two sliding grooves are provided on the top surface of the base plate, a sliding bar is fixed on the bottom surface of the mounting plate and is slidably connected to the sliding groove on the same side of the top surface of the base plate, and two handles are fixed on the top surface of the mounting plate, which are respectively located on the left and right sides of the fixed tube on the same side.

[0010] As a preferred embodiment, the buffer mechanism also includes a spring installed between the fixed disk and the mounting plate on the same side and sleeved on the outside of the fixed cylinder on the same side, two mounting blocks fixed on the circumferential outer wall of the fixed disk on the same side, and the mounting blocks are fixed to the bottom surface of the top plate by screws.

[0011] As a preferred embodiment, a guide groove is provided on the top surface of the bottom plate, and a guide block is fixed on the bottom surface of the movable plate and is slidably connected to the guide groove on the top surface of the bottom plate.

[0012] As a preferred embodiment, a plurality of limiting holes are provided on a surface of one side of the mounting plate close to the same-side moving rod, and the limiting rod is slidably plugged into the same-side limiting holes on the outer wall of the same-side mounting plate.

[0013] As a preferred embodiment, the limiting mechanism also includes a protective box fixed to the surface of one of the fixing plates away from the bidirectional screw rod, the motor is located inside the protective box, and the rotating shaft passes through the outer wall of the protective box away from the bidirectional screw rod.

[0014] As a preferred embodiment, the longitudinal cross-section of the slide groove on the top surface of the bottom plate is in an I-shape, and the shape of the slide bar is in an I-shape that matches the shape of the slide groove on the top surface of the bottom plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1、The utility model discloses a four buffering mechanisms are set up to support the top plate, and the force that the top plate can be buffered when the rocket is launched, four mounting plates and the design of limiting mechanism can limit four buffering mechanisms, and the design of buffering mechanism also facilitates with the top plate dismounting, and four buffering mechanisms are convenient for dismounting and mounting in turn, and the dismounting work of buffering mechanism is carried out without manual through the screwing or unscrewing of a plurality of screws, and time and energy are saved;

[0017] 2、The utility model discloses two sliding grooves are equipped on the top surface of bottom plate, and the sliding strip of same side sliding connection is fixed on the bottom surface of mounting plate with the top surface of bottom plate, and the dismounting of four mounting plates can be guided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is one of the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the whole structure schematic diagram of the utility model two;

[0020] Figure 3 It is one of the local structure schematic diagram of the utility model;

[0021] Figure 4 It is the local structure schematic diagram of the utility model two;

[0022] Figure 5 It is the local explosion drawing of the utility model;

[0023] Figure 6 It is one of the local explosion drawing of the buffering mechanism in the utility model;

[0024] Figure 7 It is the local explosion drawing of the buffering mechanism in the utility model two;

[0025] Figure 8 It is the whole structure schematic diagram of the limiting mechanism in the utility model;

[0026] Figure 9 It is one of the local explosion drawing of the limiting mechanism in the utility model;

[0027] Figure 10 It is the local explosion drawing of the limiting mechanism in the utility model two;

[0028] Figure 11 It is the local explosion drawing of the limiting mechanism in the utility model three;

[0029] The meaning of each reference numeral in the drawing is:

[0030] 1. Bottom plate; 2. Top plate; 3. Mounting plate; 4. Slide bar; 5. Handle; 6. Buffer mechanism; 61. Fixed cylinder; 62. Piston rod; 63. Piston plate; 64. Fixed plate; 65. Mounting block; 66. Spring; 7. Limiting mechanism; 71. Fixed plate; 72. Rotating column; 73. Bidirectional screw rod; 74. Moving plate; 75. Moving rod; 76. Limiting rod; 77. Guide block; 78. Rotating rod; 79. Gear; 710. Motor; 711. Rotating shaft; 712. Protective box. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] See also Figures 1-11 The utility model provides a technical solution: a multi-stage buffer device for a rocket launch platform, comprising a bottom plate 1, a top plate 2 being provided directly above the bottom plate 1, four mounting plates 3 being slidably connected to the top surface of the bottom plate 1, a buffer mechanism 6 being installed between the mounting plates 3 and the top plate 2, the buffer mechanism 6 comprising a fixed cylinder 61 fixed to the top surface of the mounting plate 3 on the same side and provided with damping fluid therein, a piston plate 63 tightly fitted with the inner wall of the fixed cylinder 61, a piston rod 62 fixed to the top surface of the piston plate 63 and slidably plugged into the top surface of the fixed cylinder 61, a fixed plate 64 detachably fixed to the bottom surface of the top plate 2 and coaxially fixed to the top surface of the piston rod 62, and further comprising:

[0033] The limiting mechanism 7 is arranged on the top surface of the base plate 1 and is used to limit the four mounting plates 3. The limiting mechanism 7 includes two fixed plates 71 fixed on the top surface of the base plate 1 and symmetrical to each other, two rotating columns 72 rotatably connected to the fixed plates 71 on the same side, a bidirectional screw rod 73 coaxially fixed between the two rotating columns 72 and arranged left and right, two movable plates 74 threadedly connected to the bidirectional screw rod 73 and symmetrical to each other, a rotating rod 78 coaxially fixed to the surface of one of the rotating columns 72 away from the side of the bidirectional screw rod 73, and a motor 710 installed on the surface of one of the fixed plates 71 away from the side of the bidirectional screw rod 73 and used to drive the rotating rod 78 to rotate. The front and rear surfaces of the movable plate 74 are fixed with movable Rod 75, a plurality of limiting rods 76 are fixed on the side surface of the moving rod 75 close to the fixed tube 61 on the same side, and the two limiting rods 76 are slidably plugged with the two mounting plates 3 on the same side, and the moving plate 74 is slidably connected to the top surface of the base plate 1. By setting four buffer mechanisms 6, the top plate 2 can be supported, and the force exerted on the top plate 2 can be buffered when the rocket is launched. The design of the four mounting plates 3 and the limiting mechanism 7 can limit the four buffer mechanisms 6, and the design of the buffer mechanism 6 also facilitates disassembly and assembly with the top plate 2, and thus facilitates disassembly and installation of the four buffer mechanisms 6. There is no need to manually tighten or loosen several screws to disassemble and assemble the buffer mechanism 6, which saves time and effort.

[0034] In this embodiment, the limiting mechanism 7 also includes two gears 79 located above the base plate 1 and meshing with each other, and a rotating shaft 711 coaxially connected to the output shaft of the motor 710, and the two gears 79 are coaxially fixed on the circumferential outer walls of the rotating shaft 711 and the rotating rod 78, respectively, which can smoothly drive the rotating rod 78 to rotate, and then drive the bidirectional screw rod 73 to rotate.

[0035] In addition, two sliding grooves are provided on the top surface of the base plate 1, and a sliding bar 4 is fixed on the bottom surface of the mounting plate 3, which is slidably connected to the sliding groove on the same side of the top surface of the base plate 1, and two handles 5 are fixed on the top surface of the mounting plate 3, which are respectively located on the left and right sides of the fixed cylinder 61 on the same side, so that the disassembly and assembly of the four mounting plates 3 can be guided, and it is also convenient to push and pull the four mounting plates 3.

[0036] Furthermore, the buffer mechanism 6 also includes a spring 66 installed between the fixed disk 64 and the mounting plate 3 on the same side and sleeved on the outside of the fixed cylinder 61 on the same side, and two mounting blocks 65 fixed on the outer circumferential wall of the fixed disk 64 on the same side. The mounting blocks 65 are fixed to the bottom surface of the top plate 2 by screws, thereby facilitating the disassembly and assembly of the buffer mechanism 6 and also making the buffering effect of the buffer mechanism 6 better.

[0037] Specifically, a guide groove is provided on the top surface of the base plate 1, and a guide block 77 is fixed on the bottom surface of the movable plate 74 and is slidably connected to the guide groove on the top surface of the base plate 1, which can guide the movement of the movable plate 74 and indirectly guide the movement of several limit rods 76.

[0038] It is worth noting that the installation plate 3 is close to the side surface of the same side moving rod 75 is equipped with several limiting hole, and the limiting rod 76 with the same side limiting hole on the outer wall of the same side installation plate 3 sliding plug, can be smoothly to four installation plate 3 limiting, in turn can be smoothly to four buffer mechanism 6 limiting.

[0039] It is worth mentioning that the limiting mechanism 7 further comprises a protective box 712 fixed on one of the fixed plate 71 away from the two-way screw rod 73 side surface, the motor 710 is located in the protective box 712, and the shaft 711 penetrates the protective box 712 away from the two-way screw rod 73 side wall, can play a protective effect on the motor 710, thereby prolonging the service life of the motor 710.

[0040] It is worth emphasizing that the longitudinal section shape of the slide groove on the top surface of the bottom plate 1 is in the shape of an I-shaped, and the shape of the slide bar 4 is in the shape of an I-shaped that is adapted to the shape of the slide groove on the top surface of the bottom plate 1, which can make the connection between the slide bar 4 and the same side slide groove on the top surface of the bottom plate 1 more closely, thereby indirectly making the connection between the installation plate 3 and the bottom plate 1 more closely.

[0041] Among them, the motor 710 involved in the embodiment is a prior art, and its structure and working principle are as known to those skilled in the art, which will not be described here.

[0042] In the specific use process of the embodiment, when it is necessary to install four buffer mechanisms 6, first, the four installation plates 3 are moved to the appropriate positions on the top surface of the bottom plate 1 through the four slide bars 4 and the two slide grooves on the top surface of the bottom plate 1, and then the motor 710 is started by the external PLC, the rotation of the output shaft of the motor 710 drives the rotation of the shaft 711 connected coaxially therewith, the rotation of the shaft 711 drives the rotation of the same side gear 79 fixed coaxially therewith, the rotation of the gear 79 drives the rotation of the other gear 79 engaged therewith, the rotation of the other gear 79 drives the rotation of the rotating rod 78 fixed coaxially therewith, the rotation of the rotating rod 78 drives the rotation of the same side rotating column 72 fixed coaxially therewith, the rotation of the rotating column 72 drives the rotation of the two-way screw rod 73 fixed coaxially therewith, the rotation of the two-way screw rod 73 drives the two moving plates 74 connected therewith to move away from each other, the moving plates 74 move under the guidance of the same side guide block 77 and the guide groove on the top surface of the bottom plate 1, the movement of the moving plates 74 drives the movement of the moving rod 75 fixed thereto, the movement of the moving rod 75 drives the movement of the several limiting rods 76 fixed thereto, when the limiting rods 76 are completely inserted into the same side limiting hole on the outer wall of the same side installation plate 3, the motor 710 is turned off by the external PLC;

[0043] Then the eight mounting blocks 65 are mounted together with the top plate 2 through eight screws, thereby completing the installation of the four buffer mechanisms 6, and vice versa, the four buffer mechanisms 6 can be disassembled.

[0044] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage buffer device for a rocket launch platform, comprising a base plate (1), characterized in that: A top plate (2) is provided just above the bottom plate (1), four mounting plates (3) are slidably connected to the top surface of the bottom plate (1), a buffer mechanism (6) is installed between the mounting plates (3) and the top plate (2), and the buffer mechanism (6) comprises a fixed cylinder (61) fixed on the top surface of the mounting plate (3) on the same side and provided with damping fluid inside, a piston plate (63) tightly fitted with the inner wall of the fixed cylinder (61), a piston rod (62) fixed on the top surface of the piston plate (63) and slidably plugged with the top surface of the fixed cylinder (61), a fixed plate (64) detachably fixed to the bottom surface of the top plate (2) and coaxially fixed to the top surface of the piston rod (62), and further comprising: A limiting mechanism (7) is provided on the top surface of the base plate (1) and is used to limit the four mounting plates (3). The limiting mechanism (7) comprises two fixed plates (71) fixed on the top surface of the base plate (1) and symmetrical to each other, two rotating columns (72) rotatably connected to the fixed plates (71) on the same side, a bidirectional screw rod (73) coaxially fixed between the two rotating columns (72) and arranged left and right, two movable plates (74) threadedly connected to the bidirectional screw rod (73) and symmetrical to each other, and a movable plate (74) coaxially fixed to one of the rotating columns (72) away from the bidirectional screw rod (73). A rotating rod (78) is provided on one side surface of the screw rod (73), and a motor (710) is provided on one of the fixed plates (71) away from one side surface of the bidirectional screw rod (73) and used to drive the rotating rod (78) to rotate. Moving rods (75) are fixed on both the front and rear surfaces of the movable plate (74). A plurality of limiting rods (76) that are slidably plugged into two mounting plates (3) on the same side are fixed on the side surface of the movable rod (75) close to the fixed cylinder (61) on the same side, and the movable plate (74) is slidably connected to the top surface of the bottom plate (1).

2. The multi-stage buffer device for a rocket launch platform according to claim 1, characterized in that: The limiting mechanism (7) further comprises two gears (79) located above the bottom plate (1) and meshing with each other, a rotating shaft (711) coaxially connected to the output shaft of the motor (710), and the two gears (79) are coaxially fixed to the rotating shaft (711) and the circumferential outer wall of the rotating rod (78).

3. The multi-stage buffer device for a rocket launch platform according to claim 1, characterized in that: Two sliding grooves are provided on the top surface of the base plate (1), a sliding bar (4) is fixed on the bottom surface of the mounting plate (3) and is slidably connected to the sliding groove on the same side of the top surface of the base plate (1), and two handles (5) are fixed on the top surface of the mounting plate (3), which are respectively located on the left and right sides of the fixed cylinder (61) on the same side.

4. The multi-stage buffer device for a rocket launch platform according to claim 1, characterized in that: The buffer mechanism (6) further comprises a spring (66) mounted between the fixed disk (64) and the mounting plate (3) on the same side and sleeved on the outside of the fixed cylinder (61) on the same side, and two mounting blocks (65) fixed on the circumferential outer wall of the fixed disk (64) on the same side, wherein the mounting blocks (65) are fixed to the bottom surface of the top plate (2) by screws.

5. The multi-stage buffer device for a rocket launch platform according to claim 1, characterized in that: A guide groove is provided on the top surface of the bottom plate (1), and a guide block (77) is fixed on the bottom surface of the movable plate (74) and is slidably connected to the guide groove on the top surface of the bottom plate (1).

6. The multi-stage buffer device for a rocket launch platform according to claim 1, characterized in that: A plurality of limiting holes are provided on a surface of one side of the mounting plate (3) close to the same-side moving rod (75), and the limiting rod (76) is slidably plugged into the same-side limiting hole on the outer wall of the same-side mounting plate (3).

7. The multi-stage buffer device for a rocket launch platform according to claim 2, characterized in that: The limiting mechanism (7) further comprises a protective box (712) fixed to a surface of one of the fixing plates (71) on a side away from the bidirectional screw rod (73); the motor (710) is located inside the protective box (712); and the rotating shaft (711) passes through an outer wall of the protective box (712) on a side away from the bidirectional screw rod (73).

8. The multi-stage buffer device for a rocket launch platform according to claim 3, characterized in that: The longitudinal cross-section of the chute on the top surface of the bottom plate (1) is in the shape of an I-beam, and the shape of the slide bar (4) is in the shape of an I-beam that matches the shape of the chute on the top surface of the bottom plate (1).

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