CN216867141U

CN216867141U - Safe reliable mechanical control unloading device

Info

Publication number: CN216867141U
Application number: CN202123175906.1U
Authority: CN
Inventors: 孔祥柱; 梁梦华
Original assignee: Xuzhou Weite Aerospace Technology Co ltd
Current assignee: Xuzhou Weite Aerospace Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-01
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a safe reliable mechanical control unloading device which comprises a fixed plate and a hydraulic cylinder, wherein the fixed plate is installed at the bottom end of the outside of the hydraulic cylinder, a piston rod is installed at the output end of the hydraulic cylinder, a frame body is arranged between the hydraulic cylinder and the piston rod, a sleeve block is arranged at the top end of the outside of the frame body, a shell is fixedly installed on the right side of the outside of the frame body, and a communicating pipeline is connected between the shell and one side of the hydraulic cylinder. This but safe formula mechanical control unloading device that leans on is provided with the cover block through the top in the framework outside, installs the framework in the outside of pneumatic cylinder to make the cover block cup joint on the piston rod, this thing is when the activity, the pearl of walking that sets up in the cover block inner wall pearl groove alright be in the same direction as it moves towards and guide the piston rod, the excessive leakage of framework inside gas can be avoided to the lasso at cooperation top, this mounting means has also consolidated the stability of connecting structure that bleeds, has solved the not good enough problem of effect of bleeding.

Description

Safe reliable mechanical control unloading device

Technical Field

The utility model relates to the technical field of air pressure unloading devices, in particular to a safe reliable type mechanical control unloading device.

Background

At present, a liftable and contractible array surface is mostly arranged on a vehicle body of a military guidance radar system, a vertical lifting mechanism is used for realizing the operation, a closed cavity can be formed between a piston rod and a cylinder head which are connected by a hydraulic oil cylinder, the air pressure inside the cylinder body can be changed along with the stretching of a piston rod body, if the piston rod body is not timely pumped and decompressed, the pressure cannot be kept stable, the operation of the oil cylinder is further influenced, but most of common unloading devices are directly fixed on one side of a cylinder shell body through pipelines, so that the air leakage is easy, and the movable rod body cannot be guided in a traction manner.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safe reliable mechanical control unloading device to solve the problem of poor air extraction effect in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a safe formula mechanical control unloading device that can lean on, includes fixed plate and pneumatic cylinder, the fixed plate is installed to the outside bottom of pneumatic cylinder, the piston rod is installed to the output of pneumatic cylinder, be provided with the framework between pneumatic cylinder and the piston rod, the outside top of framework is provided with the ferrule, the outside right side fixed mounting of framework has the casing, be connected with the UNICOM pipeline between one side of casing and pneumatic cylinder, the right side fixedly connected with box at fixed plate top, the installation is fixed with the breather pipe between casing and the box.

Preferably, the top end inside the sleeve block is provided with a ferrule, two sides and two ends inside the sleeve block are respectively provided with a plurality of groups of bead grooves, and beads are movably embedded inside the bead grooves.

Preferably, the inner diameter of the bead groove is larger than the diameter of the beads, and the bead groove is distributed in a concentric circle with the piston rod in the center.

Preferably, the inside on casing right side vertically is provided with the linkage cavity, top and bottom difference swing joint between the inside both sides of linkage cavity have the drive fluted disc, swing joint has the chain of teeth between the outside of drive fluted disc, top and bottom difference swing joint between the inside both sides of casing have the threaded rod, the right side of threaded rod passes the linkage cavity respectively and links to each other with the drive fluted disc, the outside difference swing joint of threaded rod has the meshing slider, fixed welding has the connecting rod between the meshing slider, the left side of connecting rod is provided with the round stopper, the top installation on the outside right side of casing is fixed with micro motor, micro motor's transmission shaft links to each other with the drive fluted disc.

Preferably, the circular plug is embedded in the inside of the communication pipe, and the diameter of the circular plug is smaller than the inner diameter of the communication pipe.

Preferably, the inside both sides of box welded fastening has the multiunit recess of pegging graft respectively, it has the coarse pore filter plate to peg graft in the top between the recess one side of pegging graft, it has the pore filter plate to peg graft in the below between recess one side of pegging graft, the outside right side installation of box is fixed with the air pump, the closing plate is installed to the rear end of box.

Compared with the prior art, the utility model has the beneficial effects that: the safe reliable mechanical control unloading device not only realizes the stable installation of the unloading device, realizes the maintenance of the air pressure in the cylinder body, but also realizes the filtration of air dirt;

(1) the sleeve block is arranged at the top end of the outer part of the frame body, the frame body is arranged on the outer part of the hydraulic cylinder, the sleeve block is sleeved on the piston rod, when the object moves, the moving balls arranged in the ball grooves on the inner wall of the sleeve block can guide the piston rod along the trend, the excessive leakage of gas in the frame body can be avoided by matching with the ferrule on the top, and the stability of the air exhaust connection structure is enhanced by the installation mode;

(2) the shell is fixedly arranged on the right side outside the frame body, when unloading is not needed, the micro motor is started to drive the two threaded rods on the left side to rotate through the driving fluted disc and the toothed chain, and the communicated pipeline is blocked through the meshed sliding blocks connected through the threads and the round plugs arranged on the connecting rods of the meshed sliding blocks, so that the situation that the inside of the frame body cannot keep stable air pressure due to air leakage when the frame body is idle is avoided;

(3) through the right side fixedly connected with box at the fixed plate top, open the closing plate and install coarse pore filter plate and pore filter plate in the grafting recess of both sides in proper order, treat that gas gets into the box under the pumping effect of air pump, just carry out the multistage separation of dirt through many two filtration's gauze, avoid the gas of discharging to mix with too much greasy dirt and dust.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic front sectional view of the frame of the present invention;

FIG. 3 is a schematic structural view of the shell in front view;

fig. 4 is a schematic structural diagram of a front cross section of the box body of the present invention.

In the figure: 1. a fixing plate; 2. a hydraulic cylinder; 3. a frame body; 4. sleeving blocks; 5. a piston rod; 6. a ferrule; 7. a housing; 8. a breather pipe; 9. a box body; 10. an air pump; 11. a sealing plate; 12. a bead groove; 13. rolling the beads; 14. a micro-motor; 15. a linkage chamber; 16. a driving fluted disc; 17. a toothed chain; 18. a threaded rod; 19. engaging the slide block; 20. communicating a pipeline; 21. a round plug; 22. a connecting rod; 23. a coarse-pore filter plate; 24. inserting grooves; 25. and (4) fine-hole filter plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a safe and reliable mechanical control unloading device comprises a fixed plate 1 and a hydraulic cylinder 2, wherein the fixed plate 1 is installed at the bottom end outside the hydraulic cylinder 2, a piston rod 5 is installed at the output end of the hydraulic cylinder 2, a frame body 3 is arranged between the hydraulic cylinder 2 and the piston rod 5, a sleeve block 4 is arranged at the top end outside the frame body 3, a shell 7 is fixedly installed at the right side outside the frame body 3, a communicating pipeline 20 is connected between the shell 7 and one side of the hydraulic cylinder 2, a box body 9 is fixedly connected at the right side of the top of the fixed plate 1, and a vent pipe 8 is fixedly installed between the shell 7 and the box body 9;

a ferrule 6 is arranged at the top end inside the sleeve block 4, a plurality of groups of bead grooves 12 are respectively arranged on two sides and two ends inside the sleeve block 4, beads 13 are movably embedded inside the bead grooves 12, the inner diameter of each bead groove 12 is larger than the diameter of each bead 13, and the bead grooves 12 are distributed in a concentric circle with the piston rod 5 in the center;

specifically, as shown in fig. 1 and 2, the frame 3 is installed outside the hydraulic cylinder 2, and the sleeve block 4 is sleeved on the piston rod 5, when the article moves, the beads 13 arranged in the bead grooves 12 on the inner wall of the sleeve block 4 can guide the piston rod 5 along the direction of the bead, and the ferrule 6 at the top is matched to prevent the gas inside the frame 3 from excessively leaking, so that the installation mode also strengthens the stability of the air extraction connection structure.

Example 2: a linkage cavity 15 is longitudinally arranged inside the right side of the shell 7, a driving fluted disc 16 is movably connected between the top end and the bottom end of the linkage cavity 15 between the two sides, a toothed chain 17 is movably connected between the outer portions of the driving fluted disc 16, a threaded rod 18 is movably connected between the top end and the bottom end of the shell 7 between the two sides, the right side of the threaded rod 18 penetrates through the linkage cavity 15 and is connected with the driving fluted disc 16, a meshing slider 19 is movably connected with the outer portion of the threaded rod 18, a connecting rod 22 is fixedly welded between the meshing sliders 19, a round plug 21 is arranged on the left side of the connecting rod 22, a micro motor 14 is fixedly installed on the top end of the shell 7 on the right side of the outer portion, a transmission shaft of the micro motor 14 is connected with the driving fluted disc 16, the round plug 21 is embedded inside the communicating pipeline 20, and the diameter of the round plug 21 is smaller than the inner diameter of the communicating pipeline 20;

specifically, as shown in fig. 1 and 3, when unloading is not required, the micro motor 14 is turned on to drive the two threaded rods 18 on the left side to rotate through the driving fluted disc 16 and the toothed chain 17, and the engaging slider 19 connected through the thread and the round plug 21 arranged on the connecting rod 22 thereof block the communicating pipe 20, so that the situation that the inside of the frame 3 cannot keep stable air pressure due to air leakage when the frame is not in use is avoided.

Example 3: a plurality of groups of inserting grooves 24 are respectively welded and fixed on two sides inside the box body 9, a coarse-pore filter plate 23 is inserted above one side of each inserting groove 24, a fine-pore filter plate 25 is inserted below one side of each inserting groove 24, an air pump 10 is fixedly installed on the right side outside the box body 9, and a sealing plate 11 is installed at the rear end of the box body 9;

specifically, as shown in fig. 1 and 4, the sealing plate 11 is opened, the coarse filter plate 23 and the fine filter plate 25 are sequentially installed in the insertion grooves 24 on both sides, and when gas enters the box body 9 under the pumping action of the air pump 10, the gas is subjected to multistage dirt separation through the gauze of the two filtering structures, so that excessive oil stains and dust are prevented from being mixed with the discharged gas.

The working principle is as follows: when the utility model is used, firstly, the frame body 3 is arranged outside the hydraulic cylinder 2, the sleeve block 4 is sleeved on the piston rod 5, when the object moves, the moving balls 13 arranged in the ball grooves 12 on the inner wall of the sleeve block 4 can guide the piston rod 5 along the trend, the ring 6 at the top can be matched to avoid excessive leakage of air in the frame body 3, the installation mode also strengthens the stability of an air pumping connection structure, then the sealing plate 11 is opened, the coarse hole filter plate 23 and the fine hole filter plate 25 are sequentially arranged in the inserting grooves 24 at two sides, when the air enters the box body 9 under the pumping action of the air pump 10, the air passes through the gauze of two filter structures to carry out multi-stage separation of dirt, the discharged air is prevented from being mixed with excessive oil stain and dust, when unloading is not needed, the micro motor 14 is started to drive the two threaded rods 18 at the left side to rotate through the fluted disc 16 and the toothed chain 17, the engaging slide block 19 and the round plug 21 arranged on the connecting rod 22 are connected by screw threads to block the communicating pipe 20, so that the problem that the inside of the frame body 3 cannot keep stable air pressure due to air leakage during pressurizing is avoided.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a safe reliable formula mechanical control unloading device, includes fixed plate (1) and pneumatic cylinder (2), its characterized in that: fixed plate (1) is installed to the outside bottom of pneumatic cylinder (2), piston rod (5) are installed to the output of pneumatic cylinder (2), be provided with framework (3) between pneumatic cylinder (2) and piston rod (5), the outside top of framework (3) is provided with nest block (4), the outside right side fixed mounting of framework (3) has casing (7), be connected with between one side of casing (7) and pneumatic cylinder (2) UNICOM's pipeline (20), the right side fixedly connected with box (9) at fixed plate (1) top, the installation is fixed with breather pipe (8) between casing (7) and box (9).

2. A safe and reliable mechanical control unloading device according to claim 1, characterized in that: the top end of the interior of the sleeve block (4) is provided with a ferrule (6), two sides and two ends of the interior of the sleeve block (4) are respectively provided with a plurality of groups of bead grooves (12), and beads (13) are movably inlaid in the bead grooves (12).

3. A safe and reliable mechanical control unloading device according to claim 2, characterized in that: the inner diameter of the bead groove (12) is larger than the diameter of the beads (13), and the bead groove (12) is distributed in a concentric circle with the piston rod (5) in the center.

4. A safe and reliable mechanical control unloading device according to claim 1, characterized in that: a linkage chamber (15) is longitudinally arranged in the right side of the shell (7), a driving fluted disc (16) is respectively and movably connected with the top end and the bottom end between the two sides in the linkage chamber (15), a toothed chain (17) is movably connected between the outer parts of the driving fluted discs (16), a threaded rod (18) is respectively and movably connected between the top end and the bottom end of the inner part of the shell (7), the right side of the threaded rod (18) is respectively connected with a driving fluted disc (16) by passing through the linkage cavity (15), the outer part of the threaded rod (18) is respectively movably connected with an engaging sliding block (19), a connecting rod (22) is fixedly welded between the meshing sliding blocks (19), a round plug (21) is arranged at the left side of the connecting rod (22), a micro motor (14) is fixedly arranged at the top end of the right side outside the shell (7), and a transmission shaft of the micro motor (14) is connected with a driving fluted disc (16).

5. A safe and reliable mechanical control unloading device according to claim 4, characterized in that: the round plug (21) is embedded in the inside of the communication pipeline (20), and the diameter of the round plug (21) is smaller than the inner diameter of the communication pipeline (20).

6. A safe and reliable mechanical control unloading device according to claim 1, characterized in that: the improved air pump box is characterized in that a plurality of groups of inserting grooves (24) are respectively welded and fixed on two sides of the interior of the box body (9), a coarse-hole filter plate (23) is inserted and connected above one side of each inserting groove (24), a fine-hole filter plate (25) is inserted and connected below one side of each inserting groove (24), an air pump (10) is fixedly installed on the right side of the exterior of the box body (9), and a sealing plate (11) is installed at the rear end of the box body (9).