Interstage separation test equipment

Abstract

The utility model relates to the technical field of interstage separation experiments, and discloses interstage separation test equipment, which comprises a base and a pulley arranged at the top of the base and used for installing a propeller, the wall surface of the base is provided with a stabilizing structure used for limiting the pulley, the stabilizing structure comprises a lug part, a limiting channel and a roller, the lug part is detachably connected with the pulley, and the limiting channel is connected with the roller. A limiting channel is formed in the side wall of the base, the rolling wheel is rotationally connected with the lug part and rolls in the limiting channel, when the propeller pushes the tackle to slide, the rolling wheel slides and rolls in the limiting channel, and when the tackle warps, the limiting channel can provide vertical pulling force for the lug part and the tackle to limit head warping of the tackle. Furthermore, the smooth proceeding of the experiment is guaranteed, the interference of the tackle head warping on the experiment data is reduced, the accuracy of the experiment data is improved, the detachable lug parts can be selected to be installed or not installed according to different specifications of propellers, the use mode is flexible, and the adaptability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of inter-stage separation experiments, in particular to an inter-stage separation test device. Background Art

[0002] The prior art discloses a multi-degree-of-freedom inter-stage separation test device (CN201510777730.7), including a test frame, a yaw axis, a U-shaped support frame, and a first pitch lug and a second pitch lug. The U-shaped support frame includes a crossbeam and vertical beams parallel to each other fixed at both ends of the crossbeam. One end of the shaft penetrates the middle of the crossbeam so that the U-shaped support frame can rotate relative to the yaw axis. The first pitch lug and the second pitch lug are relatively fixed on the vertical beam of the U-shaped support frame, and the first pitch lug and the second pitch lug are located in the same plane. The first pitch lug and the second pitch lug are used to support the separation body.

[0003] In the prior art, the thruster is mainly installed through a pulley, and the reaction of the thruster will cause the pulley to warp during the displacement process, which has certain hidden dangers and will also affect the normal progress of the experiment and the accuracy of the data. It is necessary to prevent the pulley from warping. Therefore, there is a certain room for optimization in the prior art for limiting the pulley.

[0004] To this end, we propose an interstage separation test equipment. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides an inter-stage separation test equipment.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an inter-stage separation test equipment, comprising a base and a pulley arranged on the top of the base for installing a thruster, the wall of the base is provided with a stabilizing structure for limiting the pulley, the stabilizing structure comprises an ear, a limiting channel and a roller, the ear is detachably connected to the pulley, a limiting channel is provided on the side wall of the base, the roller is rotatably connected to the ear and rolls in the limiting channel, at least two sets of stabilizing structures are symmetrically arranged on the same side wall of the pulley, and the stabilizing structure can limit the tilting of the pulley.

[0007] As a preferred embodiment of the utility model, the pulley includes a load-bearing plate, two sets of hoops are installed on the top of the load-bearing plate, wheels are rotatably connected to the bottom of the load-bearing plate, and the ears are installed on the side walls of the load-bearing plate.

[0008] As a preferred embodiment of the utility model, the ear forms a rectangular rod structure, the roller is rotatably connected to the side wall of the ear close to the pulley, the limiting channel forms a rectangular notch structure, and the height of the limiting channel is greater than the diameter of the roller.

[0009] As a preferred embodiment of the present invention, the stabilizing structure further comprises a plug-in portion fixedly mounted on the wall surface of the ear, and the ear is plugged into the pulley via the plug-in portion.

[0010] As a preferred embodiment of the utility model, the stabilizing structure also includes a sinking groove and a locking block. The sinking groove is provided on the top of the plug-in part. The locking block is located in the sinking groove and is elastically connected to the plug-in part. The wall surface of the pulley is provided with a slot. The plug-in part can be inserted into the slot. The locking block contacts the inner wall surface of the pulley to lock the ear.

[0011] As a preferred embodiment of the utility model, the sinking groove forms a notch adapted for the locking block, and an elastic member is provided at the bottom of the locking block, and the elastic member can push the locking block to contact the inner top surface of the pulley.

[0012] As a preferred embodiment of the present invention, a rectangular protrusion is formed on the top surface of the locking block, a vertical groove is provided on the inner top surface of the pulley, and the protrusion on the top of the locking block can be inserted into the slot to limit the sliding of the plug-in part.

[0013] Beneficial Effects

[0014] The utility model provides an inter-stage separation test device, which has the following beneficial effects:

[0015] 1. This inter-stage separation test equipment, by setting ears, uses the rollers on the ear walls to roll in the limiting channel. When the thruster pushes the pulley to slide, the rollers slide and roll in the limiting channel. When the pulley tilts, the limiting channel can provide vertical pulling force for the ears and the pulley to limit the tilt of the pulley, thereby ensuring the smooth progress of the experiment, reducing the interference of the pulley tilt on the experimental data, and improving the accuracy of the experimental data. The detachable ears can be installed or not installed according to the specifications of the thruster. For thrusters with smaller thrust, the ears can be installed without installation to reduce the resistance of the pulley displacement and ensure the experimental accuracy. It has flexible usage and stronger adaptability.

[0016] 2. This inter-stage separation test equipment, by pushing the plug-in part into the slot of the side wall of the pulley bearing plate, the locking block enters the slot together with the plug-in part, when the protrusion on the top of the locking block is facing the vertical slot, the elastic member pushes the locking block to move up so that the protrusion is stuck in the vertical slot, thereby realizing the installation and locking of the ear part, the elastic member includes but is not limited to the spring, the installation is convenient, and the removal is convenient for later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the overall three-dimensional diagrams of the utility model;

[0018] Figure 2 This is the second overall stereogram of the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the ear and base of the utility model;

[0020] Figure 4 It is the assembly diagram of the ear and the pulley of the utility model;

[0021] Figure 5 It is a stereoscopic diagram of the plug-in block and the locking block of the utility model.

[0022] Legend: 10, base; 11, pulley; 20, ear; 21, limit channel; 22, roller; 23, plug-in part; 24, sinking groove; 25, locking block. DETAILED DESCRIPTION

[0023] An interstage separation test device, such as Figure 1 and Figure 2 As shown, it includes a base 10 and a pulley 11 arranged on the top of the base 10 for installing a thruster, the pulley 11 includes a bearing plate, two sets of hoops are installed on the top of the bearing plate, the bottom of the bearing plate is rotatably connected to a wheel, and the ear 20 is installed on the side wall of the bearing plate. Specifically, the hoop is a closed circular ring formed by two half rings, wherein half of the hoop is fixedly connected to the top of the bearing plate of the pulley 11, and the other half of the hoop is locked with the fixedly installed hoop by bolts to achieve the limitation of the cylindrical thruster. The base 10 forms a plate with an L-shaped cross-section, and the vertical part of the base 10 can be installed with a pressure sensor. The slide of the pulley 11 makes the thruster contact the sensor to achieve experimental detection of the thruster. This is an existing well-known technology and will not be repeated here.

[0024] like Figure 2 , Figure 3 and Figure 4 As shown, the wall surface of the base 10 is provided with a stabilizing structure for limiting the pulley 11, and the stabilizing structure includes an ear 20, a limiting channel 21 and a roller 22. The ear 20 is detachably connected to the pulley 11, and the side wall of the base 10 is provided with a limiting channel 21. The roller 22 is rotatably connected to the ear 20 and rolls in the limiting channel 21. At least two sets of stabilizing structures are symmetrically arranged on the same side wall of the pulley 11. The stabilizing structure can limit the tilting of the pulley 11. The ear 20 forms a rectangular rod structure, and the roller 22 is rotatably connected to the side wall of the ear 20 close to the pulley 11. The limiting channel 21 forms a The rectangular notch structure has a height of the limiting channel 21 that is greater than the diameter of the roller 22. In this solution, the ear 20 is provided and the roller 22 on the wall of the ear 20 rolls in the limiting channel 21. When the propeller pushes the pulley 11 to slide, the roller 22 slides and rolls in the limiting channel 21. When the pulley 11 tilts, the limiting channel 21 can provide vertical pulling force for the ear 20 and the pulley 11 to limit the tilt of the pulley 11, thereby ensuring the smooth progress of the experiment, reducing the interference of the tilt of the pulley 11 on the experimental data, and improving the accuracy of the experimental data.

[0025] The stabilizing structure also includes a plug-in portion 23 fixedly mounted on the wall surface of the ear portion 20, the ear portion 20 is plugged into the pulley 11 through the plug-in portion 23, the stabilizing structure also includes a sinking groove 24 and a locking block 25, the top of the plug-in portion 23 is provided with a sinking groove 24, the locking block 25 is located in the sinking groove 24 and is elastically connected to the plug-in portion 23, the wall surface of the pulley 11 is provided with a slot, the plug-in portion 23 can be inserted into the slot, the locking block 25 contacts the inner wall surface of the pulley 11 to lock the ear portion 20, the sinking groove 24 forms a notch adapted to the locking block 25, the bottom of the locking block 25 is provided with an elastic member, the elastic member can squeeze and push the locking block 25 to contact the inner top surface of the pulley 11, and the top surface of the locking block 25 forms a rectangular protrusion A vertical groove is provided on the top surface of the pulley 11, and the protrusion on the top of the locking block 25 can be inserted into the slot to limit the sliding of the plug-in part 23. In this scheme, as a supplement to the above scheme, when installing the ear 20, the plug-in part 23 is pushed into the slot of the side wall of the load-bearing plate of the pulley 11, and the locking block 25 enters the slot together with the plug-in part 23. Specifically, the locking block 25 takes a rectangular block as an example. When the protrusion on the top of the locking block 25 is facing the vertical groove, the elastic member pushes the locking block 25 to move up so that the protrusion is stuck in the vertical groove, thereby realizing the installation and locking of the ear 20. The elastic member includes a spring but is not limited to a spring, which is easy to install and easy to dismantle, thereby facilitating later maintenance.

[0026] The working principle of the utility model is as follows: the plug-in portion 23 is pushed into the slot on the side wall of the load-bearing plate of the pulley 11, and the locking block 25 enters the slot together with the plug-in portion 23. When the protrusion on the top of the locking block 25 is facing the vertical slot, the elastic member pushes the locking block 25 to move up so that the protrusion is stuck in the vertical slot, thereby realizing the installation and locking of the ear portion 20. The roller 22 on the wall of the ear portion 20 is used to roll in the limiting channel 21. When the thruster pushes the pulley 11 to slide, the roller 22 slides and rolls in the limiting channel 21. When the pulley 11 tilts, the limiting channel 21 can provide vertical pulling force for the ear 20 and the pulley 11, limit the tilting of the pulley 11, thereby ensuring the smooth progress of the experiment and reducing the interference of the tilting of the pulley 11 on the experimental data.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An interstage separation test device, comprising a base (10) and a pulley (11) arranged on the top of the base (10) for mounting a thruster, characterized in that: The wall surface of the base (10) is provided with a stabilizing structure for limiting the position of the pulley (11), the stabilizing structure comprising an ear (20), a limiting channel (21) and a roller (22), the ear (20) being detachably connected to the pulley (11), the side wall of the base (10) being provided with a limiting channel (21), the roller (22) being rotatably connected to the ear (20) and rolling in the limiting channel (21), at least two groups of stabilizing structures being symmetrically arranged on the same side wall of the pulley (11), the stabilizing structure being capable of limiting the pulley (11) from tilting.

2. The inter-stage separation test equipment according to claim 1, characterized in that: The pulley (11) comprises a bearing plate, two sets of hoops are installed on the top of the bearing plate, wheels are rotatably connected to the bottom of the bearing plate, and the ears (20) are installed on the side walls of the bearing plate.

3. The inter-stage separation test equipment according to claim 1, characterized in that: The ear (20) forms a rectangular rod structure, the roller (22) is rotatably connected to the side wall of the ear (20) close to the pulley (11), the limiting channel (21) forms a rectangular slot structure, and the height of the limiting channel (21) is greater than the diameter of the roller (22).

4. The inter-stage separation test equipment according to claim 1, characterized in that: The stabilizing structure further comprises an inserting portion (23) fixedly mounted on the wall surface of the ear portion (20), and the ear portion (20) is inserted into the pulley (11) via the inserting portion (23).

5. The inter-stage separation test equipment according to claim 1, characterized in that: The stabilizing structure further comprises a sinking groove (24) and a locking block (25); the sinking groove (24) is provided at the top of the plug-in portion (23); the locking block (25) is located in the sinking groove (24) and is elastically connected to the plug-in portion (23); a slot is provided on the wall surface of the pulley (11); the plug-in portion (23) can be inserted into the slot; the locking block (25) abuts against the inner wall surface of the pulley (11) to lock the ear portion (20).

6. The inter-stage separation test equipment according to claim 5, characterized in that: The sinking groove (24) forms a notch adapted for the locking block (25), and an elastic member is provided at the bottom of the locking block (25), and the elastic member can push the locking block (25) to contact the inner top surface of the pulley (11).

7. The inter-stage separation test equipment according to claim 5, characterized in that: The top surface of the locking block (25) forms a rectangular protrusion, and the inner top surface of the pulley (11) is provided with a vertical groove. The protrusion on the top of the locking block (25) can be inserted into the slot to limit the sliding of the plug-in part (23).

Images