Brake parachute fixing device

Abstract

The utility model relates to a brake parachute fixing device which comprises a parachute frame, a fixing plate is fixed on the bottom wall of an inner cavity of the parachute frame, fixing semi-rings are fixed on the left side and the right side of the upper surface of the fixing plate, connecting ropes are fixed on the outer sides of the fixing semi-rings, and a clamping ring is fixed inside the parachute frame. According to the brake parachute fixing device, dropped articles can be fixed in a placement frame through ropes, when the placement frame falls down and touches the ground through a brake parachute body, a base touches the ground and generates vibration force, and then buffer blocks in buffer cylinders on the left side and the right side conduct compression and energy absorption; the left buffer rod and the right buffer rod move up and down in the left buffer cylinder and the right buffer cylinder, then the sliding blocks on the left side and the right side move left and right on the outer side of the sliding frame, a first buffer ring, a second buffer ring and a third buffer ring conduct compression deformation and energy absorption, buffering and damping can be conducted, the vibration force during landing is reduced, and dropped objects are protected.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing devices, in particular to a deceleration parachute fixing device. Background Art

[0002] With the development of society and the advancement of science and technology, the use of deceleration parachutes is becoming more and more extensive. After area blockade explosives are dropped from aerial platforms, they need to be decelerated stably using deceleration parachutes. Deceleration parachutes are generally fixed on fixed devices.

[0003] For example, Chinese patent CN212340072U discloses a deceleration parachute fixing device, including an umbrella box, one end of the top of the inner cavity of the umbrella box is fixedly connected with a snap ring sleeve, the inner cavity of the snap ring sleeve is sleeved with a snap ring, the surface of the snap ring is sleeved with an umbrella rope, the top of the umbrella rope penetrates to the top of the umbrella box and is sewn with a deceleration parachute, the bottom of the umbrella box is threadedly connected with a screw, the top of the screw penetrates to the inner cavity of the umbrella box and is fixedly connected with a top umbrella mechanism, the top of the inner cavity of the umbrella box is fixedly connected with an inner step end face, the surface of the inner step end face is processed with circular holes for passing the umbrella rope, the number of the circular holes is six, and they are arranged at equal distances. The utility model optimizes the operation of the device through the coordinated use of the deceleration parachute, the umbrella rope, the snap ring, the snap ring sleeve, the umbrella box, the top umbrella mechanism and the screw, and is easy to process and assemble, and is reliably fixed. In addition to being suitable for the fixation of deceleration parachutes in 1 kg area blockade explosives, it is also suitable for the fixation of deceleration parachutes in smaller aviation explosives.

[0004] Although the above patent optimizes the operation of the device, is easy to process and assemble, and is reliably fixed, the patent does not provide a shock-absorbing structure on the lower side of the umbrella box, and the patent does not disclose a buffering shock-absorbing structure. When the dropped items land, the vibration force caused by landing can easily damage the dropped items, reducing their practicality. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a deceleration parachute fixing device, which has the advantages of improving the buffering and shock-absorbing performance during landing, and solves the problem that there is no shock-absorbing structure on the lower side of the parachute box. At the same time, the buffering and shock-absorbing structure is not disclosed in the patent. When the dropped objects land, they are easily damaged by the vibration force during landing, which reduces the practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a deceleration parachute fixing device, comprising an umbrella frame, a fixing plate is fixed to the bottom wall of the inner cavity of the umbrella frame, fixing semi-rings are fixed to the left and right sides of the upper surface of the fixing plate, connecting ropes are fixed to the outer side of the fixing semi-rings, and the top ends of the connecting ropes on the left and right sides are fixed with a deceleration parachute body, a clamping ring is fixed inside the umbrella frame, and the clamping ring is located on the upper side of the fixing plate, an ejection mechanism body is provided on the upper surface of the fixing plate, and a buffer mechanism is provided on the lower surface of the umbrella frame;

[0007] The buffer mechanism includes a placement frame fixed on the lower surface of the umbrella frame, the left and right sides of the lower surface of the placement frame are hinged with connecting rods through a hinge seat, the outer sides of the bottom ends of the left and right connecting rods are hinged with sliding blocks through a hinge seat, buffer rods are fixed at the four corners of the lower surface of the placement frame, the outer side of the buffer rod is slidably connected with a buffer cylinder, a buffer block is fixed to the bottom wall of the inner cavity of the buffer cylinder, the upper surface of the buffer block is fixedly connected to the bottom end of the buffer rod, the bottom ends of the four buffer cylinders are fixed with a base, the four corners of the lower surface of the base are fixed with a support body, and the upper surface of the base is provided with a fixing component.

[0008] Furthermore, the fixed component includes a sliding frame fixed on the upper surface of the base, the sliding block is slidably connected to the outer side of the sliding frame, the upper surface of the base is provided with a limiting groove, the interior of the limiting groove is slidably connected with two sliding blocks, the upper surface of the sliding block is fixedly connected to the lower surface of the sliding block, and the outer side of the sliding frame is movably provided with a first buffer ring, a second buffer ring and a third buffer ring.

[0009] Furthermore, the outer diameter of the buffer rod is matched with the inner diameter of the buffer tube, and the buffer rod moves linearly up and down inside the buffer tube.

[0010] Furthermore, the buffer block is a rubber block, and the support body is a rubber body.

[0011] Further, the first buffer ring is located on the left side of the left sliding block, and the right side of the first buffer ring is in contact with the left side of the left sliding block. The second buffer ring is located on the opposite side of the left and right sliding blocks, and the left and right sides of the second buffer ring are both in contact with the opposite side of the left and right sliding blocks. The third buffer ring is located on the right side of the right sliding block, and the left side of the third buffer ring is in contact with the right side of the right sliding block.

[0012] Furthermore, the first buffer ring, the second buffer ring and the third buffer ring are all rubber rings, and the inner diameters of the first buffer ring, the second buffer ring and the third buffer ring are all matched with the outer diameter of the sliding frame.

[0013] Furthermore, the sliding block performs linear left-right movement on the outside of the sliding frame, and the sliding block performs linear left-right movement inside the limiting groove.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] The deceleration parachute fixing device can fix the dropped and landed articles inside the placing frame through ropes. When the placing frame falls to the ground through the deceleration parachute body, the base touches the ground and generates vibration force, then the buffer blocks inside the left and right buffer cylinders are compressed and absorb energy, the left and right buffer rods move up and down inside the left and right buffer cylinders, then the left and right sliding blocks move left and right outside the sliding frame, the first buffer ring, the second buffer ring and the third buffer ring are compressed and deformed and absorb energy, so as to perform buffering and shock reduction, reduce the vibration force when landing, and protect the dropped and landed articles. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the buffer mechanism of the utility model;

[0018] Figure 3 It is a three-dimensional diagram of the base and the sliding frame of the utility model.

[0019] In the figure: 1 parachute frame, 2 fixing plate, 3 fixing half ring, 4 connecting rope, 5 deceleration parachute body, 6 snap ring, 7 ejection mechanism body, 8 buffer mechanism, 801 placement frame, 802 connecting rod, 803 sliding block, 804 buffer rod, 805 buffer cylinder, 806 buffer block, 807 base, 808 support body, 809 sliding frame, 810 limiting groove, 811 slider, 812 first buffer ring, 813 second buffer ring, 814 third buffer ring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1A deceleration parachute fixing device in this embodiment includes an umbrella frame 1, a fixing plate 2 is fixed to the bottom wall of the inner cavity of the umbrella frame 1, and fixing semi-rings 3 are fixed to the left and right sides of the upper surface of the fixing plate 2, and a connecting rope 4 is fixed to the outer side of the fixing semi-ring 3. A deceleration parachute body 5 is fixed to the top of the left and right connecting ropes 4. A clamping ring 6 is fixed inside the umbrella frame 1, and the clamping ring 6 is located on the upper side of the fixing plate 2. An ejection mechanism body 7 is provided on the upper surface of the fixing plate 2, and a buffer mechanism 8 is provided on the lower surface of the umbrella frame 1. The buffer mechanism 8 improves the buffering and shock absorption performance when landing. When the object is landing, the ejection mechanism body 7 can push the deceleration parachute body 5 from the inside of the umbrella frame 1 and the lower side of the clamping ring 6 to the upper side of the umbrella frame 1, and then the deceleration parachute body 5 is opened and stably decelerated for landing. The ejection mechanism body 7 is a prior art, and its working principle is not repeated one by one.

[0022] See also Figure 2-3 In order to improve the buffering and shock absorption performance when landing, in this embodiment, the buffer mechanism 8 includes a placement frame 801 fixed on the lower surface of the umbrella frame 1. The placement frame 801 can fix one kilogram of regional blockade explosives inside, and is also suitable for smaller aviation explosives. The left and right sides of the lower surface of the placement frame 801 are hinged with connecting rods 802 through hinge seats, and the outer sides of the bottom ends of the left and right connecting rods 802 are hinged with sliding blocks 803 through hinge seats. Buffer rods 804 are fixed at the four corners of the lower surface of the placement frame 801, and the outer side of the buffer rod 804 is slidably connected with a buffer tube 805. The bottom wall of the inner cavity of the buffer tube 805 is fixed with a buffer block 806. The upper surface of the buffer block 806 is fixedly connected to the bottom end of the buffer rod 804. The bottom ends of the four buffer tubes 805 are fixed with a base 807, and the four corners of the lower surface of the base 807 are fixed with a support body 808. The upper surface of the base 807 is provided with a fixing component.

[0023] In this embodiment, the fixing assembly includes a sliding frame 809 fixed on the upper surface of the base 807, the sliding block 803 is slidably connected to the outer side of the sliding frame 809, the upper surface of the base 807 is provided with a limiting groove 810, and the inner part of the limiting groove 810 is slidably connected with two sliders 811, the upper surface of the slider 811 is fixedly connected to the lower surface of the sliding block 803, and the outer side of the sliding frame 809 is movably provided with a first buffer ring 812, a second buffer ring 813 and a third buffer ring 814, and the dropped objects can be fixed to the inside of the placement frame 801 by ropes. When the placement frame 801 falls to the ground through the deceleration parachute body 5, the base 807 lands and generates vibration force, and then the buffer block 806 inside the left and right buffer cylinders 805 is compressed and absorbs energy, the left and right buffer rods 804 move up and down inside the left and right buffer cylinders 805, and then the left and right sliding blocks 803 move left and right on the outer side of the sliding frame 809.

[0024] In this embodiment, the outer diameter of the buffer rod 804 is matched with the inner diameter of the buffer tube 805, and the buffer rod 804 moves linearly up and down inside the buffer tube 805. The buffer block 806 is a rubber block, and the support body 808 is a rubber body. The first buffer ring 812 is located on the left side of the left sliding block 803, and the right side of the first buffer ring 812 fits with the left side of the left sliding block 803. The second buffer ring 813 is located on the opposite side of the left and right sliding blocks 803, and the left and right sides of the second buffer ring 813 are both fitted with the opposite side of the left and right sliding blocks 803. The third buffer ring 814 is located on the right side of the right sliding block 803, and the left side of the third buffer ring 814 fits with the right side of the right sliding block 803.

[0025] In this embodiment, the first buffer ring 812, the second buffer ring 813 and the third buffer ring 814 are all rubber rings, and the inner diameters of the first buffer ring 812, the second buffer ring 813 and the third buffer ring 814 are all adapted to the outer diameter of the sliding frame 809. The sliding block 803 moves linearly left and right on the outside of the sliding frame 809, and the sliding block 811 moves linearly left and right inside the limiting groove 810.

[0026] It should be noted that the first buffer ring 812, the second buffer ring 813 and the third buffer ring 814 are compressed and deformed and absorb energy, and the left and right side sliders 811 slide left and right inside the limiting groove 810, and then can perform buffering and shock absorption, reduce the vibration force when landing, and protect the dropped objects.

[0027] The working principle of the above embodiment is:

[0028] The dropped objects can be fixed inside the placement frame 801 by ropes. When the placement frame 801 falls to the ground through the deceleration parachute body 5, the base 807 touches the ground and generates vibration force, and then the buffer blocks 806 inside the left and right buffer cylinders 805 are compressed and absorb energy, the left and right buffer rods 804 move up and down inside the left and right buffer cylinders 805, and then the left and right sliding blocks 803 move left and right outside the sliding frame 809, the first buffer ring 812, the second buffer ring 813 and the third buffer ring 814 are compressed and deformed and absorb energy, and the left and right sliders 811 slide left and right inside the limiting groove 810, and then buffering and shock reduction can be performed to reduce the vibration force when landing, and protect the dropped objects.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A deceleration parachute fixing device, comprising a parachute frame (1), characterized in that: A fixing plate (2) is fixed to the bottom wall of the inner cavity of the umbrella frame (1), and fixing half rings (3) are fixed to the left and right sides of the upper surface of the fixing plate (2), and connecting ropes (4) are fixed to the outer sides of the fixing half rings (3), and a deceleration parachute body (5) is fixed to the top ends of the connecting ropes (4) on the left and right sides, and a snap ring (6) is fixed inside the umbrella frame (1), and the snap ring (6) is located on the upper side of the fixing plate (2), and an ejection mechanism body (7) is provided on the upper surface of the fixing plate (2), and a buffer mechanism (8) is provided on the lower surface of the umbrella frame (1); The buffer mechanism (8) comprises a placement frame (801) fixed on the lower surface of the umbrella frame (1); the left and right sides of the lower surface of the placement frame (801) are hinged with connecting rods (802) through hinge seats; the outer sides of the bottom ends of the connecting rods (802) on the left and right sides are hinged with sliding blocks (803) through hinge seats; buffer rods (804) are fixed at the four corners of the lower surface of the placement frame (801); the outer side of the buffer rod (804) is slidably connected with a buffer cylinder (805); a buffer block (806) is fixed to the bottom wall of the inner cavity of the buffer cylinder (805); the upper surface of the buffer block (806) is fixedly connected to the bottom end of the buffer rod (804); the bottom ends of the four buffer cylinders (805) are fixed with bases (807); the four corners of the lower surface of the base (807) are fixed with support bodies (808); and the upper surface of the base (807) is provided with a fixing component.

2. A deceleration parachute fixing device according to claim 1, characterized in that: The fixing assembly comprises a sliding frame (809) fixed on the upper surface of a base (807); the sliding block (803) is slidably connected to the outer side of the sliding frame (809); a limiting groove (810) is provided on the upper surface of the base (807); two sliding blocks (811) are slidably connected inside the limiting groove (810); the upper surface of the sliding block (811) is fixedly connected to the lower surface of the sliding block (803); and the outer side of the sliding frame (809) is movably sleeved with a first buffer ring (812), a second buffer ring (813) and a third buffer ring (814).

3. A deceleration parachute fixing device according to claim 1, characterized in that: The outer diameter of the buffer rod (804) is matched with the inner diameter of the buffer cylinder (805), and the buffer rod (804) moves linearly up and down inside the buffer cylinder (805).

4. A deceleration parachute fixing device according to claim 1, characterized in that: The buffer block (806) is a rubber block, and the support body (808) is a rubber body.

5. A deceleration parachute fixing device according to claim 2, characterized in that: The first buffer ring (812) is located on the left side of the left sliding block (803), and the right side of the first buffer ring (812) is in contact with the left side of the left sliding block (803); the second buffer ring (813) is located on the opposite side of the left and right sliding blocks (803), and the left and right sides of the second buffer ring (813) are in contact with the opposite side of the left and right sliding blocks (803); the third buffer ring (814) is located on the right side of the right sliding block (803), and the left side of the third buffer ring (814) is in contact with the right side of the right sliding block (803).

6. A deceleration parachute fixing device according to claim 2, characterized in that: The first buffer ring (812), the second buffer ring (813) and the third buffer ring (814) are all rubber rings, and the inner diameters of the first buffer ring (812), the second buffer ring (813) and the third buffer ring (814) are all compatible with the outer diameter of the sliding frame (809).

7. A deceleration parachute fixing device according to claim 2, characterized in that: The sliding block (803) moves linearly left and right on the outside of the sliding frame (809), and the sliding block (811) moves linearly left and right inside the limiting groove (810).

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