CN218095429U - Fixing device for slender sensor of carrier rocket liquid oxygen storage tank - Google Patents
Fixing device for slender sensor of carrier rocket liquid oxygen storage tank Download PDFInfo
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- CN218095429U CN218095429U CN202222708942.8U CN202222708942U CN218095429U CN 218095429 U CN218095429 U CN 218095429U CN 202222708942 U CN202222708942 U CN 202222708942U CN 218095429 U CN218095429 U CN 218095429U
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- liquid oxygen
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- tether
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Abstract
The utility model discloses a fixing device of long and thin sensor of carrier rocket liquid oxygen storage tank, including fixed bolster, fixed clamp, activity clamp and two piece at least ropes. The fixed bracket is fixed at the bottom of the liquid oxygen storage tank. The fixed clamp is fixedly connected to the fixed support and used for tightly holding the lower clamping groove of the slender sensor to realize fixed connection with the slender sensor. The movable clamp is used for tightly holding the upper clamping groove of the slender sensor to realize the fixed connection with the slender sensor. One end of the rope is fixedly connected with the movable clamp, the other end of the rope is fixedly connected with the side wall of the liquid oxygen storage box, and all the ropes are tensioned and matched with each other to fix the position of the movable clamp. The utility model discloses a reliable fixed of long and thin sensor in liquid oxygen low temperature, the violent vibration environment of rocket flight ensures at the rocket flight in-process, and the condition that becomes flexible and drop can not appear in long and thin sensor.
Description
Technical Field
The utility model belongs to the technical field of carrier rocket liquid oxygen storage tank, especially, relate to a fixing device of long and thin sensor of carrier rocket liquid oxygen storage tank.
Background
The real-time liquid level height parameter in the liquid oxygen storage tank is an important criterion in rocket filling and flying processes, and a liquid level sensor is usually designed into a long shape in order to ensure that the liquid level height in the storage tank is continuously monitored.
The installation environment temperature of a liquid level sensor in the liquid oxygen storage tank is low, the vibration environment is severe, the sensor fixing device needs to be compatible with a low-temperature oxygen tank besides being fixed and firmly leaned on, if the conditions such as looseness and falling of the sensor occur during the flying of the rocket, the normal flying of the rocket can be directly influenced, and serious accidents such as rocket explosion can be caused seriously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fixing device of long and thin sensor of carrier rocket liquid oxygen storage box realizes the reliable fixed of long and thin sensor in liquid oxygen low temperature, the violent vibration environment of rocket flight, avoids long and thin sensor the not hard up condition that drops to appear in the rocket flight.
The technical scheme of the utility model is that:
a carrier rocket liquid oxygen reservoir elongated sensor fixture, comprising:
the fixed bracket is fixed at the bottom of the liquid oxygen storage tank;
the fixing clamp is fixedly connected to the fixing support and used for tightly holding a lower clamping groove of the slender sensor to realize fixed connection with the slender sensor;
the movable clamp is used for tightly holding the upper clamping groove of the slender sensor to realize the fixed connection with the slender sensor;
one end of each rope is fixedly connected with the movable hoop, and the other end of each rope is fixedly connected with the side wall of the liquid oxygen storage tank; all of the cords are tensioned and cooperate to fix the position of the traveling yoke.
In one embodiment, the rope is provided with a tightening part for tightening the rope after the two ends of the rope are fixed.
In one embodiment, the rope comprises a first rope and a second rope, one end of the first rope is fixedly connected with the movable clamp, and one end of the second rope is fixedly connected with the side wall of the liquid oxygen storage tank; the first rope and the second rope are connected through the tightening part.
In one embodiment, the tightening part comprises a first tightening piece and two second tightening pieces, threaded holes are respectively formed in two ends of the first tightening piece, threaded rods are arranged on the second tightening pieces, and the threaded rods on the two second tightening pieces are respectively in threaded connection with the two threaded holes;
the two second tighteners are connected to the first rope and the second rope, respectively.
In one embodiment, the second tightening member is an earring screw having an earring portion that is attached to the first cord or the second cord and a screw portion that is threadably attached to the threaded bore.
In one embodiment, the fixing bracket is welded at the bottom of the liquid oxygen storage tank, and the fixing bracket is an aluminum alloy bracket compatible with liquid oxygen.
In one embodiment, the fixing clamp comprises two semicircular clamps, wherein one semicircular clamp is fixedly connected with the fixing bracket; the two semicircular hoops are connected through a fastener and are matched with each other to hold the lower clamping groove of the slender sensor tightly, and a double-lug stop gasket is arranged at the fastener.
In one embodiment, the movable clamp comprises two semicircular clamps which are connected through a fastener and mutually matched to hold the upper clamping groove of the elongated sensor, wherein a double-lug stop gasket is arranged at the fastener;
one of them semi-circular clamp is in deviating from another one side of semi-circular clamp is equipped with the go-between, the rope with the go-between is connected.
In one embodiment, the rope is a stainless steel wire compatible with liquid oxygen.
In one embodiment, three cords are included, the three cords being evenly spaced circumferentially around the elongate sensor.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
the utility model provides a fixing device of long and thin sensor of carrier rocket liquid oxygen storage tank through the both ends of fixed clamp and the long and thin sensor of activity clamp fastening connection, fixes fixed clamp and activity clamp respectively on the bottom and the lateral wall of liquid oxygen storage tank again to realized that long and thin sensor is reliably fixed in liquid oxygen low temperature, the violent vibration environment of rocket flight, ensured at rocket flight in-process, the condition that not hard up droing can not appear in long and thin sensor. And simultaneously, the utility model provides a fixing device of long and thin sensor of carrier rocket liquid oxygen storage tank, simple to operate.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
FIG. 1 is a schematic structural view of a fixing device for an elongated sensor of a liquid oxygen storage tank of a carrier rocket according to the present invention;
fig. 2 is a schematic structural view of a tightening part of the present invention;
FIG. 3 is a schematic view of a first take up member of the present invention;
fig. 4 is a schematic structural view of an earring screw according to the present invention;
fig. 5 is a schematic structural view (top view) of a fixing clip according to the present invention;
fig. 6 is a schematic structural view (top view) of a flexible clamp according to the present invention;
fig. 7 is a schematic view of a rope connection method according to the present invention.
Description of the reference numerals:
1: a liquid oxygen storage tank; 2: an elongated sensor; 3: fixing a bracket; 4: fixing a clamp; 5: a movable clamp; 51: a connecting ring (on the movable clamp); 6: a rope; 7: a tightening part; 71: a first take up member; 711: a threaded hole; 72: an earring screw; 721: an earring portion; 722: a screw portion.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
Example 1
The liquid level sensor in the liquid oxygen storage tank is integrally in a slender shape, namely the slender sensor 2.
Referring to fig. 1, 5 to 7, the embodiment provides a fixing device for a slender sensor of a liquid oxygen storage tank of a carrier rocket, which comprises a fixing bracket 3, a fixing clamp 4, a movable clamp 5 and at least two ropes 6. The fixed bracket 3 is fixed at the bottom of the liquid oxygen storage tank 1. The fixed hoop 4 is fixedly connected to the fixed support 3, and the fixed hoop 4 is used for tightly holding a lower clamping groove of the slender sensor 2 to realize fixed connection with the slender sensor 2. The movable clamp 5 is used for tightly holding the upper clamping groove of the slender sensor 2 to realize the fixed connection with the slender sensor 2. One end of the rope 6 is fixedly connected with the movable clamp 5, the other end of the rope is fixedly connected with the side wall of the liquid oxygen storage tank 1, and all the ropes 6 are tensioned and mutually matched to fix the position of the movable clamp 5.
The fixed support 3 can adopt an aluminum alloy support compatible with the liquid oxygen and is fixed at the bottom of the liquid oxygen storage tank 1 by welding. The fixing clamp 4 includes two semicircular clamps, as shown in fig. 5, one of the semicircular clamps is fixedly connected to the fixing bracket 3, which may be implemented by welding, fastening or integrally formed. Two semi-circular clamps of fixed clamp 4 can be alloy machine tooling clamp and aluminum alloy panel beating clamp respectively, and the aluminum alloy panel beating clamp is the semi-circular clamp of being connected with fixed bolster 3. The two semicircular hoops are connected through a fastener and are matched with each other to hold the lower clamping groove of the slender sensor 2 tightly.
In this embodiment, the fastener may be a bolt and a nut; further, a double-nut anti-loosening structure (not shown in the drawing) can be adopted, and a double-lug stopping gasket made of stainless steel can be arranged to prevent looseness during vibration. Both the bolt and the nut can be made of stainless steel material compatible with liquid oxygen.
The movable clamp 5 comprises two semicircular clamps, and specifically can be two aluminum alloy machining clamps. The two semicircular hoops are connected through a fastener and are matched with each other to hold the upper clamping groove of the slender sensor 2.
In this embodiment, the fastener here may also be a bolt and a nut, and a double-lug locking washer made of stainless steel is provided to prevent looseness during vibration. Both the bolt and the nut can be made of stainless steel material compatible with liquid oxygen.
As shown in fig. 6, one of the two semicircular clips of the flexible clip 5 is provided with a connecting ring 51 on the side facing away from the other semicircular clip, and the cable 6 is connected to the connecting ring 51.
A plurality of ropes 6 are mutually matched, and the movable clamp 5 needs to be ensured to be stressed evenly. And a connecting ring can be welded on the side wall of the liquid oxygen storage tank 1 and is used for connecting the rope 6. The connection mode of the rope 6 is as follows: the rope 6 is connected by a rope tying knot after passing through a connecting ring (comprising the connecting ring on the side wall of the liquid oxygen storage tank 1 and the connecting ring 51 on the movable clamp 5).
Specifically, the rope 6 may be made of stainless steel wire compatible with liquid oxygen. Preferably, this embodiment may comprise three stainless steel wires, which are circumferentially equispaced around the elongate sensor 2, i.e. 120 ° between adjacent stainless steel wires.
Example 2
In practical situations, it is difficult to ensure that the movable clamp 5 is evenly stressed if the two ends of the rope 6 are directly fixed separately. For this reason, referring to fig. 1 to 4, the fixing device for the elongated sensor of the liquid oxygen tank of the launch vehicle provided in this embodiment is added with a tightening part 7 on the basis of embodiment 1.
Each rope 6 is provided with a tightening part 7 for tightening the rope 6 after the two ends of the rope 6 are fixed. Specifically, the rope 6 comprises a first rope and a second rope, one end of the first rope is fixedly connected with the movable clamp 5, and one end of the second rope is fixedly connected with the side wall of the liquid oxygen storage tank 1; the first rope and the second rope are connected by a tightening part 7.
The tightening part 7 comprises a first tightening part 71 and two second tightening parts, wherein two ends of the first tightening part 71 are respectively provided with a threaded hole 711, the second tightening parts are provided with screws, and the screws on the two second tightening parts are respectively in threaded connection with the two threaded holes 711. The two second tighteners are connected to the first rope and the second rope, respectively.
More specifically, in this embodiment, the second tightening element may be an earring screw 72, with earring portion 721 of earring screw 72 being attached to either the first or second cord, and screw portion 722 of earring screw 72 being threadably attached to threaded hole 711. After the two ends of the rope 6 are respectively fixed, the rope 6 is tightened by adjusting the earring screws 72 at the two sides of the tightening screw sleeve, so that the tightness of the rope 6 is adjusted, and the movable clamp 5 is guaranteed to be stressed uniformly.
The utility model provides a fixing device of long and thin sensor of carrier rocket liquid oxygen storage tank through the both ends of fixed clamp 4 and the long and thin sensor 2 of the fastening connection of activity clamp 5, fixes fixed clamp 4 and activity clamp 5 respectively on the bottom and the lateral wall of liquid oxygen storage tank 1 again. The device realizes the fixation of the slender sensor of the liquid oxygen storage tank of the carrier rocket, has simple structure and convenient operation, and the slender sensor 2 is firmly fixed, thereby ensuring that the slender sensor 2 is firmly fixed in the environment of low-temperature liquid oxygen and violent vibration of rocket flight, and ensuring that the slender sensor 2 cannot loosen and fall off in the rocket flight process.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (10)
1. A carrier rocket liquid oxygen reservoir elongated sensor fixture, comprising:
the fixed bracket is fixed at the bottom of the liquid oxygen storage tank;
the fixing clamp is fixedly connected to the fixing support and used for tightly holding a lower clamping groove of the slender sensor to realize fixed connection with the slender sensor;
the movable hoop is used for tightly holding the upper clamping groove of the slender sensor to realize the fixed connection with the slender sensor;
one end of each rope is fixedly connected with the movable clamp, and the other end of each rope is fixedly connected with the side wall of the liquid oxygen storage tank; all of the cords are tensioned and cooperate to fix the position of the traveling yoke.
2. The device for securing an elongate sensor in a liquid oxygen tank for a launch vehicle according to claim 1, wherein said tether is provided with a tightening portion for tightening said tether after securing both ends of said tether.
3. The vehicle rocket liquid oxygen tank elongated sensor fixing device of claim 2 wherein said tether comprises a first tether and a second tether, one end of said first tether being fixedly connected to said traveling yoke, one end of said second tether being fixedly connected to a side wall of said liquid oxygen tank; the first rope and the second rope are connected through the tightening part.
4. The device for fixing the elongated sensor of the carrier rocket liquid oxygen tank as claimed in claim 3, wherein said tightening part comprises a first tightening member and two second tightening members, both ends of said first tightening member are respectively provided with a threaded hole, said second tightening member is provided with a threaded rod, and said threaded rods of said two second tightening members are respectively in threaded connection with said two threaded holes;
the two second tighteners are connected to the first rope and the second rope, respectively.
5. The launch vehicle liquid oxygen reservoir elongated sensor fixture of claim 4 wherein said second cinch member is an earring screw, an earring portion of said earring screw being connected to said first tether or said second tether, a threaded portion of said earring screw being threadably connected to said threaded bore.
6. The vehicle rocket liquid oxygen tank elongated sensor fixing device of claim 1, wherein the fixing bracket is welded to the bottom of the liquid oxygen tank, and the fixing bracket is an aluminum alloy bracket compatible with liquid oxygen.
7. The vehicle rocket liquid oxygen tank elongated sensor fixture of claim 1 wherein said fixture clip comprises two semi-circular clips, one of said semi-circular clips being fixedly attached to said fixture bracket; the two semicircular hoops are connected through a fastener and are matched with each other to hold the lower clamping groove of the slender sensor tightly, and a double-lug stop gasket is arranged at the fastener.
8. The vehicle rocket liquid oxygen tank elongated sensor fixing device according to claim 1, wherein said movable clamp comprises two semicircular clamps, said two semicircular clamps are connected by a fastener and mutually fit to hold the upper clamping groove of said elongated sensor, wherein a double-lug stop washer is arranged at the fastener;
one of them semi-circular clamp is in deviating from another one side of semi-circular clamp is equipped with the go-between, the rope with the go-between is connected.
9. The launch vehicle liquid oxygen reservoir elongated sensor fixture of claim 1 wherein said tether is a stainless steel wire compatible with liquid oxygen.
10. The vehicle rocket liquid oxygen reservoir elongated sensor fixture of claim 1 comprising three cables, said three cables being circumferentially spaced about said elongated sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222708942.8U CN218095429U (en) | 2022-10-14 | 2022-10-14 | Fixing device for slender sensor of carrier rocket liquid oxygen storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222708942.8U CN218095429U (en) | 2022-10-14 | 2022-10-14 | Fixing device for slender sensor of carrier rocket liquid oxygen storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218095429U true CN218095429U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222708942.8U Active CN218095429U (en) | 2022-10-14 | 2022-10-14 | Fixing device for slender sensor of carrier rocket liquid oxygen storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218095429U (en) |
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2022
- 2022-10-14 CN CN202222708942.8U patent/CN218095429U/en active Active
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