CN211701724U

CN211701724U - Electric elevating machine of lifting platform of missile vehicle observing and aiming system

Info

Publication number: CN211701724U
Application number: CN202020506365.2U
Authority: CN
Inventors: 马楠; 安敏捷
Original assignee: Shaanxi Yingtuo Electromechanical Technology Co ltd
Current assignee: Shaanxi Yingtuo Electromechanical Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-10-16
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a guided missile car looks and aims system lift platform's electronic height machine, including the motor staple bolt, keep off the lid, the motor spacer, the gear shaft, gear cover B, gear cover A, electronic cylinder joint B, electronic cylinder joint A, electronic cylinder cap, electronic cylinder shell, electronic cylinder, oil-free bush, the electric cylinder pole, trapezoidal lead screw, first helical gear, second helical gear, third helical gear, lead screw nut, R type round nut, first hexagon socket head cap screw, hexagon socket head cap screw in the second, angular contact ball bearing, deep groove ball bearing, first ordinary parallel key A type, hole circlip A type, O type rubber seal, plain washer A level, first cross recess countersunk screw, second hexagon socket countersunk screw, hexagon socket countersunk head cap screw in the third, hexagon socket head cap screw in the fourth. The novel transmission device has the beneficial effects of high transmission efficiency, high speed, stability and convenience in use.

Description

Electric elevating machine of lifting platform of missile vehicle observing and aiming system

Technical Field

The utility model relates to a guided missile car system field of looking at, in particular to guided missile car system lift platform's electronic machine of looking at height.

Background

The main function of the electric elevating machine of the elevating platform of the missile vehicle observing and aiming system is to push the load platform to do rotary motion, but the electric elevating machine of the elevating platform of the existing missile vehicle observing and aiming system still has the problems of low transmission efficiency, low speed, instability and inconvenient use.

Therefore, it is necessary to design an electric elevating machine of the missile vehicle observation and aiming system lifting platform with high transmission efficiency, high speed, stability and convenient use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a guided missile car sees electronic height machine of aiming system lift platform can solve prior art, and transmission efficiency is low, and speed is slow, and is unstable, uses inconvenient problem.

The utility model provides a guided missile car looks and aims system lift platform's electronic height machine, including the motor staple bolt, keep off the lid, the motor spacer, the gear shaft, gear cover B, gear cover A, electronic cylinder joint B, electronic cylinder joint A, electronic cylinder cap, electronic cylinder shell, electronic cylinder, oil-free bush, the cylinder pole, trapezoidal lead screw, first helical gear, second helical gear, third helical gear, lead screw nut, R type round nut, first hexagon socket head cap screw, second hexagon socket head cap screw, angular contact ball bearing, deep groove ball bearing, first ordinary flat key A type, hole circlip A type, O type rubber seal, plain washer A level, first cross recess countersunk screw, second hexagon socket countersunk head cap screw, third hexagon socket head cap screw, fourth hexagon socket head cap screw, fifth hexagon socket head cap screw, the electrical cylinder pole, trapezoidal lead screw, first helical gear, hole circlip A type, O type rubber seal, plain washer A level, first cross recess countersunk screw, second hexagon socket countersunk screw, third hexagon countersunk, The electric cylinder comprises a sixth inner hexagonal cylinder head screw, a seventh inner hexagonal cylinder head screw, an eighth inner hexagonal cylinder head screw, a first lip type sealing ring B type, a second lip type sealing ring B type, a telescopic sleeve, a second common flat key A type, a sealing strip B, a sealing strip A, an inner hexagonal plug, a first throat hoop, a second throat hoop and a motor assembly, wherein the electric cylinder barrel is fixedly connected with the motor assembly through a motor hoop, a detachable second spiral gear is fixed at the output end of the motor assembly, an electric cylinder shell is fixed at the end part of the motor assembly and the end part of the electric cylinder barrel, an electric cylinder cover is fixed on the electric cylinder shell, two deep groove ball bearings are fixed on the electric cylinder shell, a gear shaft is installed between the two deep groove ball bearings, and a third spiral gear which is in meshed connection with the second spiral gear is installed on the gear shaft, be located be fixed with gear cover A on the deep groove ball bearing of gear shaft one end, be located be fixed with gear cover B on the deep groove ball bearing of the gear shaft other end, install trapezoidal lead screw through angular contact ball bearing in the electric cylinder, a tip of trapezoidal lead screw be fixed with the first helical gear that third helical gear meshing is connected, the other end of trapezoidal lead screw is fixed with screw nut, the last cylinder pole that is fixed with of screw nut, the inner circle of electric cylinder tip with be provided with oil-free bush between the tip outer lane of cylinder pole, the tip of cylinder pole is fixed with the telescope tube through first larynx hoop, second larynx hoop, be fixed with electric cylinder joint A on the second larynx hoop.

Preferably, the motor assembly is fixedly connected with the motor hoop through an eighth hexagon socket head cap screw, and the electric cylinder is fixedly connected with the motor hoop through a second hexagon socket head cap screw.

Preferably, the output end of the motor assembly is fixedly connected with the second spiral gear through a blocking cover and a first cross-shaped groove countersunk head screw; a motor spacer bush is fixed between the motor component and the second helical gear, and a sealing strip B is arranged between the electric cylinder shell and the motor component.

Preferably, a gear spacer is arranged between the deep groove ball bearing and the gear cover A, an O-shaped rubber sealing ring is arranged on the gear spacer, the gear cover A is fixedly connected with the electric cylinder shell through a first inner hexagonal cylindrical head screw and a flat washer A, a second lip-shaped sealing ring B is arranged between the deep groove ball bearing and the gear cover B, and the end part of the gear shaft is fixed with the third spiral gear through a second common flat key A-shaped limiting clamp.

Preferably, the electric cylinder cover is provided with an inner hexagonal plug, and the electric cylinder cover is fixed with an electric cylinder joint B.

Preferably, the first helical gear is fixedly connected with the end part of the trapezoidal lead screw through a blocking cover and a first cross-shaped groove countersunk head screw.

Preferably, the angular contact ball bearing is fixedly connected with the first helical gear through an R-shaped round nut, the angular contact ball bearing is fixedly connected with the electric cylinder through a fifth hexagon socket head cap screw, and a sealing strip a is arranged between the angular contact ball bearing and the electric cylinder.

Preferably, the electric cylinder rod is fixedly connected with the screw nut through a third inner hexagonal socket head cap screw, a first lip-shaped sealing ring B type is fixed between an inner ring of the end part of the electric cylinder barrel and the end part of the oilless bushing, and an elastic check ring A type for holes is fixed on the oilless bushing.

Preferably, the electric cylinder joint a is fixedly connected with the second hose clamp through a fourth hexagon socket head cap screw.

The utility model provides a beneficial effect is:

1. the electric elevating machine of the elevating platform of the viewing and aiming system of the guided missile vehicle is provided with two gear shafts arranged between deep groove ball bearings, third spiral gears used for being meshed and connected with the second spiral gears are arranged on the gear shafts, gear covers A are fixed on the deep groove ball bearings positioned at one ends of the gear shafts, gear covers B are fixed on the deep groove ball bearings positioned at the other ends of the gear shafts, trapezoidal lead screws are arranged in electric cylinder barrels through angular contact ball bearings, first spiral gears meshed and connected with the third spiral gears are fixed at one end parts of the trapezoidal lead screws, lead screw nuts are fixed at the other ends of the trapezoidal lead screws, and cylinder rods are fixed on the lead screw nuts; under the control of the motor assembly, the trapezoidal screw is driven to rotate through the transmission gear in the reduction gearbox, so that the screw nut rolls in a straight line mode, the cylinder rod fixed on the screw nut stretches at a specific speed, the load platform is pushed to rotate at a certain angular speed around the high-low rotating shaft, the load is enabled to reach and keep at a specified angle, manual retraction and release of the high-low machine load platform can be conveniently achieved through the hand cranking device under the condition of power failure, transmission efficiency is high, and speed is high.

2. The electric elevating platform of the missile vehicle observing and aiming system comprises an electric cylinder and a motor assembly which are fixedly connected through a motor hoop, a telescopic sleeve is fixed at the end part of an electric cylinder rod through a first throat hoop and a second throat hoop, an electric cylinder joint A is fixed on the second throat hoop, an inner hexagonal plug is arranged on an electric cylinder cover, a first spiral gear is fixedly connected with the end part of a trapezoidal screw rod through a blocking cover and a first cross recessed countersunk head screw, an angular contact ball bearing is fixedly connected with the first spiral gear through an R-shaped round nut, the angular contact ball bearing is fixedly connected with the electric cylinder through a fifth inner hexagonal cylindrical head screw, a sealing strip A is arranged between the angular contact ball bearing and the electric cylinder, the electric cylinder rod is fixedly connected with the screw rod nut through a third inner hexagonal cylindrical head screw, a first lip-shaped sealing ring B is fixed between the inner ring at the end part of the electric cylinder and the end part of an oil-free bush, an elastic retainer ring A for a hole is fixed on the oilless bushing; the electric cylinder joint A is fixedly connected with the second hose clamp through a fourth inner hexagonal socket head cap screw: use motor staple bolt, first larynx hoop, second larynx hoop, hexagon socket head cap, R type round nut, fifth hexagon socket head cap screw, third hexagon socket head cap screw fourth hexagon socket head cap screw to carry out the fixed between the part for whole device stability is better, and under the power-off condition, the convenient manual work of realization height machine load platform of accessible hand cranking device receive and releases convenient to use.

Drawings

Fig. 1 is a schematic structural view of an electric elevating machine of a lifting platform of a viewing and aiming system of a guided missile vehicle provided by the utility model;

fig. 2 is a schematic view of a part of the structure of an electric elevating machine of a lifting platform of a viewing and aiming system of a guided missile vehicle provided by the utility model;

fig. 3 is a partial schematic structural view of an electric elevating machine of a lifting platform of a guided missile observation and aiming system provided by the utility model.

Description of reference numerals: 1-motor hoop; 2-a blocking cover; 3-motor spacer bush; 4-gear spacer sleeve; 5-a gear shaft; 6-gear cover B; 7-gear cover A; 8-electric cylinder joint B; 9-electric cylinder joint a; 10-electric cylinder cover; 11-electric cylinder shell; 12-electric cylinder: 13-oilless liner; 14-a cylinder rod; 15-trapezoidal lead screw; 16-a first helical gear; 17-a second helical gear; 18-a third helical gear; 19-a lead screw nut; 20-R type round nuts; 21-a first socket head cap screw; 22-a second socket cap head screw; 23-angular contact ball bearings; 24-deep groove ball bearings; 25-first common flat bond type a; 26-circlip for hole type A; 27-O type rubber sealing ring: 28-plain washer class a; 29-first cross recessed countersunk head screw; 30-a second cross-slotted countersunk head screw; 31-a third socket cap head screw; 32-a fourth socket head cap screw; 33-a fifth hexagon socket cap head screw; 34-a sixth socket head cap screw; 35-a seventh socket cap head screw; 36-eighth hexagon socket cap head screw; 37-first lip type sealing ring B type; 38-second lip type seal ring type B; 39-a telescopic sleeve; 40-second common flat bond type A; 41-sealing strip B; 42-sealing strip A: 43-inner hexagonal plug; 44-first throat band: 45-a second hose clamp; 46-motor assembly.

Detailed Description

In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.

As shown in fig. 1 to 3, an embodiment of the present invention provides an electric elevating machine for a lifting platform of a viewing and aiming system of a guided missile vehicle, which includes a motor hoop 1, a stop cover 2, a motor spacer 3, a gear spacer 4, a gear shaft 5, a gear cover B6, a gear cover a7, an electric cylinder joint B8, an electric cylinder joint a9, an electric cylinder cover 10, an electric cylinder shell 11, an electric cylinder 12, an oilless bush 13, a cylinder rod 14, a trapezoidal lead screw 15, a first helical gear 16, a second helical gear 17, a third helical gear 18, a lead screw nut 19, an R-shaped round nut 20, a first hexagon socket head screw 21, a second hexagon socket head screw 22, an angular contact ball bearing 23, a deep groove ball bearing 24, a first common flat key a-type 25, a-type elastic retainer screw for holes 26, an O-type rubber sealing ring 27, a flat washer a-stage 28, a first cross-shaped countersunk head screw 29, a second cross-shaped groove countersunk head 30, A third inner hexagonal socket head cap screw 31, a fourth inner hexagonal socket head cap screw 32, a fifth inner hexagonal socket head cap screw 33, a sixth inner hexagonal socket head cap screw 34, a seventh inner hexagonal socket head cap screw 35, an eighth inner hexagonal socket head cap screw 36, a first lip-shaped seal ring B-shaped 37, a second lip-shaped seal ring B-shaped 38, a telescopic sleeve 39, a second common flat key A-shaped 40, a seal strip B41, a seal strip A42, an inner hexagonal plug 43, a first throat hoop 44, a second throat hoop 45 and a motor assembly 46, wherein the electric cylinder barrel 12 is fixedly connected with the motor assembly 46 through a motor hoop 1, a detachable second helical gear 17 is fixed at the output end of the motor assembly 46, an electric cylinder shell 11 is fixed at the end of the motor assembly 46 and the end of the electric cylinder barrel 12, an electric cylinder cover 10 is fixed on the electric cylinder shell 11, two deep grooves 24 are fixed on the electric cylinder shell 11, two install gear shaft 5 between the deep groove ball bearing 24, install on the gear shaft 5 be used for with the third helical gear 18 that second helical gear 17 meshing is connected, be located be fixed with gear cover A7 on the deep groove ball bearing 24 of gear shaft 5 one end, be located be fixed with gear cover B6 on the deep groove ball bearing 24 of the gear shaft 5 other end, install trapezoidal lead screw 15 through angular contact ball bearing 23 in the electric cylinder 12, a tip of trapezoidal lead screw 15 be fixed with the first helical gear 16 that third helical gear 18 meshing is connected, the other end of trapezoidal lead screw 15 is fixed with screw nut 19, be fixed with cylinder pole 14 on the screw nut 19, the inner circle of electric cylinder 12 tip with be provided with oil-free bush 13 between the tip outer lane of cylinder pole 14, the tip of cylinder pole 14 is through first throat hoop 44, a, The second throat hoop 45 is fixed with a telescopic sleeve 39, and the second throat hoop 45 is fixed with an electric cylinder joint A9.

In this embodiment, the motor assembly 46 is fixedly connected to the motor hoop 1 through an eighth socket cap screw 36, and the electric cylinder 12 is fixedly connected to the motor hoop 1 through a second socket cap screw 22.

In this embodiment, the output end of the motor assembly 46 is fixedly connected with the second helical gear 17 through the blocking cover 2 and the first cross-shaped recessed countersunk head screw 29; a motor spacer 3 is fixed between the motor assembly 46 and the second helical gear 17, and a sealing strip B41 is arranged between the electric cylinder shell 11 and the motor assembly 46.

In this embodiment, a gear spacer 4 is arranged between the deep groove ball bearing 24 and the gear cover a7, an O-shaped rubber seal ring 27 is arranged on the gear spacer 4, the gear cover a7 and the electric cylinder shell 11 are fixedly connected through a first hexagon socket head cap screw 21 and a flat washer a-stage 28, a second lip-shaped seal ring B-type 38 is arranged between the deep groove ball bearing 24 and the gear cover B6, and the end of the gear shaft 5 and the third helical gear 18 are fixed through a second common flat key a-type 40 in a limiting clamping manner.

In this embodiment, the electric cylinder cover 10 is provided with an inner hexagonal plug 43, and the electric cylinder cover 10 is fixed with an electric cylinder connector B8.

In this embodiment, the first helical gear 16 is fixedly connected to the end of the trapezoidal lead screw 15 through the blocking cover 2 and the first cross recessed countersunk head screw 29.

In this embodiment, the angular contact ball bearing 23 and the first helical gear 16 are fixedly connected through an R-shaped round nut 20, the angular contact ball bearing 23 is fixedly connected with the electric cylinder 12 through a fifth hexagon socket head cap screw 33, and a seal bar a42 is disposed between the angular contact ball bearing 23 and the electric cylinder 12.

In this embodiment, the cylinder rod 14 is fixedly connected to the lead screw nut 19 by a third hexagon socket head cap screw 31, a first lip-shaped seal ring B-shaped 37 is fixed between an inner ring of the end portion of the electric cylinder 12 and the end portion of the oilless bush 13, and a circlip a-shaped 26 for holes is fixed on the oilless bush 13.

In this embodiment, the electric cylinder joint a9 is fixedly connected to the second throat hoop 45 by a fourth socket head cap screw 32.

The working principle is as follows: the motor assembly 46 is first started to rotate the output end of the motor assembly 46, so as to drive the second helical gear 17 to rotate, further drive the third helical gear 18 and the first helical gear 16 to rotate, further drive the screw nut 19 to move up and down, and further drive the cylinder rod 14 to lift.

The technical effects are as follows: the electric elevating machine of the elevating platform of the viewing and aiming system of the guided missile vehicle is provided with two gear shafts 5 arranged between deep groove ball bearings 24, third spiral gears 18 arranged on the gear shafts 5 and used for being meshed with the second spiral gears 17, gear covers A7 fixed on the deep groove ball bearings 24 arranged at one ends of the gear shafts 5, gear covers B6 fixed on the deep groove ball bearings 24 arranged at the other ends of the gear shafts 5, a trapezoidal lead screw 15 arranged in an electric cylinder 12 through an angular contact ball bearing 23, a first spiral gear 16 meshed with the third spiral gears 18 fixed at one end of the trapezoidal lead screw 15, a lead screw nut 19 fixed at the other end of the trapezoidal lead screw 15, and a cylinder rod 14 fixed on the lead screw nut 19; under the control of the motor assembly 46, the trapezoidal screw 15 is driven to rotate by a transmission gear in the reduction gearbox, so that the screw nut 19 linearly moves and rolls, the cylinder rod 14 fixed on the screw nut 19 stretches at a specific speed, and the load platform is pushed to do high-low rotary motion at a certain angular speed around a high-low rotary shaft, so that the load reaches and is kept at a specified angle. The electric elevating platform of the missile vehicle observing and aiming system comprises an electric cylinder 12 fixedly connected with a motor assembly 46 through a motor hoop 1, an expansion sleeve 39 fixed on the end part of a cylinder rod 14 through a first throat hoop 44 and a second throat hoop 45, an electric cylinder joint A9 fixed on the second throat hoop 45, an inner hexagonal plug 43 arranged on the electric cylinder cover 10, a first helical gear 16 fixedly connected with the end part of a trapezoidal screw 15 through a baffle cover 2 and a first cross recessed countersunk head screw 29, an angular contact ball bearing 23 fixedly connected with the first helical gear 16 through an R-shaped round nut 20, an angular contact ball bearing 23 fixedly connected with the electric cylinder 12 through a fifth inner hexagonal socket head screw 33, a sealing strip A42 arranged between the angular contact ball bearing 23 and the electric cylinder 12, a lead screw nut 19 fixedly connected with the electric cylinder rod 14 through a third inner hexagonal socket head screw 31, a first lip type seal ring B type 37 is fixed between the end inner ring of the electric cylinder 12 and the end of the oilless bush 13, and a circlip A type 26 for holes is fixed on the oilless bush 13; the electric cylinder joint A9 is fixedly connected with the second hose clamp 45 through a fourth hexagon socket head cap screw 32; use motor staple bolt 1, first larynx hoop 44, second larynx hoop 45, hexagon socket head 43, R type round nut 20, fifth hexagon socket head cap screw 33, third hexagon socket head cap screw 31 fourth hexagon socket head cap screw 32 to carry out the fixed between the part for whole device stability is relatively good, and under the power loss condition, the manual work of the convenient realization height quick-witted load platform of accessible hand cranking device receive and releases convenient to use.

The above disclosure is only for the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art should fall into the protection scope of the present invention.

Claims

1. The utility model provides a guided missile car looks at electronic height machine of system lift platform, its characterized in that: the electric cylinder comprises a motor hoop (1), a baffle cover (2), a motor spacer (3), a gear spacer (4), a gear shaft (5), a gear cover B (6), a gear cover A (7), an electric cylinder joint B (8), an electric cylinder joint A (9), an electric cylinder cover (10), an electric cylinder shell (11), an electric cylinder barrel (12), an oilless bush (13), an electric cylinder rod (14), a trapezoidal lead screw (15), a first spiral gear (16), a second spiral gear (17), a third spiral gear (18), a lead screw nut (19), an R-shaped round nut (20), a first inner hexagonal cylindrical head screw (21), a second inner hexagonal cylindrical head screw (22), an angular contact ball bearing (23), a deep groove ball bearing (24), a first common flat key A-type (25), an elastic retainer ring A-type (26) for holes, an O-shaped rubber sealing ring (27), a flat washer A-stage (28), A first cross-shaped groove countersunk head screw (29), a second cross-shaped groove countersunk head screw (30), a third inner hexagonal socket head screw (31), a fourth inner hexagonal socket head screw (32), a fifth inner hexagonal socket head screw (33), a sixth inner hexagonal socket head screw (34), a seventh inner hexagonal socket head screw (35), an eighth inner hexagonal socket head screw (36), a first lip-shaped sealing ring B-shaped (37), a second lip-shaped sealing ring B-shaped (38), a telescopic sleeve (39), a second common flat key A-shaped (40), a sealing strip B (41), a sealing strip A (42), an inner hexagonal plug (43), a first throat hoop (44), a second throat hoop (45) and a motor component (46), wherein the electric cylinder (12) and the motor component (46) are fixedly connected through a motor hoop (1), a detachable second spiral gear (17) is fixed at the output end of the motor component (46), the end part of the motor component (46) and the end part of the electric cylinder barrel (12) are fixedly provided with an electric cylinder shell (11), an electric cylinder cover (10) is fixed on the electric cylinder shell (11), two deep groove ball bearings (24) are fixed on the electric cylinder shell (11), a gear shaft (5) is installed between the two deep groove ball bearings (24), a third spiral gear (18) meshed with the second spiral gear (17) is installed on the gear shaft (5), a gear cover A (7) is fixed on the deep groove ball bearing (24) at one end of the gear shaft (5), a gear cover B (6) is fixed on the deep groove ball bearing (24) at the other end of the gear shaft (5), a trapezoidal lead screw (15) is installed in the electric cylinder barrel (12) through an angular contact (23), a first spiral gear (16) meshed with the third spiral gear (18) is fixed at one end part of the trapezoidal lead screw (15), the other end of trapezoidal lead screw (15) is fixed with screw nut (19), be fixed with cylinder pole (14) on screw nut (19), the inner circle of electric cylinder (12) tip with be provided with oil free bush (13) between the tip outer lane of cylinder pole (14), the tip of cylinder pole (14) is fixed with telescope tube (39) through first larynx hoop (44), second larynx hoop (45), be fixed with electric cylinder joint A (9) on second larynx hoop (45).

2. The electric elevating machine of the elevating platform of the observing and aiming system of the guided missile vehicle as claimed in claim 1, wherein the motor assembly (46) is fixedly connected with the motor anchor ear (1) through an eighth hexagon socket head cap screw (36), and the electric cylinder (12) is fixedly connected with the motor anchor ear (1) through a second hexagon socket head cap screw (22).

3. The electric elevating machine of the elevating platform of the viewing and aiming system of the guided missile vehicle as claimed in claim 1, wherein the output end of the motor component (46) is fixedly connected with the second helical gear (17) through the blocking cover (2) and the first cross recessed countersunk head screw (29); a motor spacer bush (3) is fixed between the motor component (46) and the second spiral gear (17), and a sealing strip B (41) is arranged between the electric cylinder shell (11) and the motor component (46).

4. The electric elevating machine of the elevating platform of the observing and aiming system of the guided missile vehicle as claimed in claim 1, wherein a gear spacer (4) is arranged between the deep groove ball bearing (24) and the gear cover A (7), an O-shaped rubber sealing ring (27) is arranged on the gear spacer (4), the gear cover A (7) and the electric cylinder shell (11) are fixedly connected through a first inner hexagonal cylinder head screw (21) and a flat gasket A-stage (28), a second lip-shaped sealing ring B-type (38) is arranged between the deep groove ball bearing (24) and the gear cover B (6), and the end of the gear shaft (5) and the third helical gear (18) are fixed through a second common flat key A-type (40) in a limiting and clamping manner.

5. The electric elevating machine of the elevating platform of the observing and aiming system of the guided missile vehicle as claimed in claim 1, wherein the electric cylinder cover (10) is provided with an inner hexagonal plug (43), and the electric cylinder cover (10) is fixed with an electric cylinder joint B (8).

6. The electric elevating machine of the elevating platform of the viewing and aiming system of the guided missile vehicle as claimed in claim 1, wherein the first helical gear (16) is fixedly connected with the end of the trapezoidal screw rod (15) through a blocking cover (2) and a first cross recessed countersunk head screw (29).

7. The electric elevating machine of the elevating platform of the missile observation and aiming system as claimed in claim 1, wherein the angular contact ball bearing (23) is fixedly connected with the first helical gear (16) through an R-shaped round nut (20), the angular contact ball bearing (23) is fixedly connected with the electric cylinder barrel (12) through a fifth hexagon socket head cap screw (33), and a sealing strip A (42) is arranged between the angular contact ball bearing (23) and the electric cylinder barrel (12).

8. The electric elevating machine of the elevating platform of the missile vehicle observing and aiming system as claimed in claim 1, wherein the cylinder rod (14) is fixedly connected with the screw nut (19) through a third hexagon socket head cap screw (31), a first lip-shaped sealing ring B (37) is fixed between the inner ring of the end part of the electric cylinder (12) and the end part of the oilless bushing (13), and an elastic check ring A (26) for holes is fixed on the oilless bushing (13).

9. The electric elevating machine of the elevating platform of the observing and aiming system of the guided missile vehicle as claimed in claim 1, wherein the electric cylinder joint A (9) is fixedly connected with the second throat hoop (45) through a fourth hexagon socket head cap screw (32).