CN115752092A

CN115752092A - Rocket multi-angle positioning inclined launching device

Info

Publication number: CN115752092A
Application number: CN202211598117.5A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Beijing Lingkong Tianxing Technology Co Ltd
Current assignee: Beijing Lingkong Tianxing Technology Co Ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-03-07

Abstract

The invention relates to a rocket multi-angle positioning inclined launching device. The device comprises a frame type base, wherein the frame type base comprises a base frame and is provided with a front support and a rear support, a positioning seat is arranged on the front support, two opposite rotating shaft mounting seats are arranged on the rear support, and rotating shafts are arranged on the two rotating shaft mounting seats; the transmission arm is characterized by further comprising a transmission arm, a transmission guide rail is mounted at the top of the transmission arm section, a shaft sleeve is mounted at the root of the transmission arm section, two rotating shafts are inserted and fixed in the shaft sleeve, and a plurality of groups of positioning support lugs are mounted below the front part of the transmission arm section; the positioning support frame comprises a support frame body, positioning shafts are arranged at the upper end and the lower end of the support frame body, the positioning shafts at the upper end are connected with one group of positioning support lugs, and the positioning shafts at the lower end are fixed with the positioning seats; an auxiliary loading assembly or an arrow stop plate is mounted at the rear end of the launch arm. The transmitting device is low in cost, easy to disassemble and assemble, convenient to transport and high in precision and reliability.

Description

Rocket multi-angle positioning inclined launching device

Technical Field

The invention belongs to the technical field of aerospace equipment, and particularly relates to a rocket multi-angle positioning inclined launching device.

Background

The rocket launching device is a facility for assisting rocket equipment to launch, and the structure of the rocket launching device in the prior art is as follows: actuating mechanism is mostly hydraulic pressure mechanism, promotes the launching arm and accomplishes the action of erectting, need be equipped with hydraulic system and electric power system, to under the no electric power outfit environment around the field work, obviously not practical enough and equipment cost is higher, and at the transmission preparation in-process, the pneumatic cylinder can take place the change of load size and direction, causes the shake problem, influences the directive precision and damages equipment.

Along with continuous improvement of science and technology and variety diversification of aerospace equipment, in order to meet the requirements of fast rhythm, fast response and multitask launching of an aerospace rocket, the launching rack is required to have convenience, flexibility and maneuverability, and in addition, the launching rack is adjusted according to different launching tasks to carry out multi-angle positioning, which is also one of important requirements on a rocket launching device. The existing rocket launching device is unreasonable in structural design, so that the requirements are difficult to meet, the application of the existing rocket launching device in a rocket launching scene is limited, and the development of rocket technology is limited to a certain extent.

Disclosure of Invention

The invention provides the rocket multi-angle positioning inclined launching device which is low in cost, easy to disassemble and assemble, convenient to transport and high in precision and reliability, and aims to solve the technical problems in the prior art, and the requirements of modern rocket launching on auxiliary equipment are met.

The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows: a rocket multi-angle positioning inclined launching device comprises a frame type base which is fixed on the ground and can be hoisted and transferred, wherein the frame type base comprises a base frame, a front support and a rear support are arranged on the base frame, a positioning seat is arranged on the front support, two opposite rotating shaft mounting seats are arranged on the rear support, and rotating shafts are arranged on the two rotating shaft mounting seats; the launching arm comprises a launching arm section, a launching guide rail extending along the length direction is mounted at the top of the launching arm section, a shaft sleeve is mounted at the root of the launching arm section, two rotating shafts are inserted and fixed in the shaft sleeve, and a plurality of groups of positioning support lugs are mounted below the front part of the launching arm section; the positioning support frame comprises a support frame body, positioning shafts are arranged at the upper end and the lower end of the support frame body, the positioning shaft at the upper end is connected with one group of positioning support lugs, and the positioning shaft at the lower end is fixedly connected with the positioning seat; an auxiliary loading assembly or catch plate is mounted at the rear end of the firing arm.

Preferably: the transmitting arm section of the transmitting arm is made of H-shaped steel, a guide rail base is welded and installed at the top of the transmitting arm section, and the transmitting guide rail is fixedly connected with the guide rail base through bolts; the launching guide rail is provided with a rail groove with a rectangular cross section, and the rear end of the launching guide rail is provided with a detachable slide block opening cover which covers the port of the rail groove.

Preferably: the positioning support lugs are provided with three groups, each group of positioning support lugs comprises two opposite support lug monomers with connecting holes, and the top edges of the support lug monomers are welded and fixed with the sections of the launching arms; the launching arm further comprises a plurality of lifting lugs, the lifting lugs are metal tubes with through threaded holes in the middle, and the lifting lugs are welded and installed on the launching arm section.

Preferably: the auxiliary loading assembly is fixedly arranged at the rear end of the launching arm by adopting a bolt, and comprises a loading supporting plate fixedly connected with the rear end of the launching arm section bar, and the middle part of the loading supporting plate is provided with a slide block guide groove of which the front end is butted with the rear end of the launching guide rail; the arrow blocking plate is installed and fixed at the rear end of the launching arm through bolts.

Preferably: the positioning seat comprises a positioning seat body, a plurality of grooves for containing the positioning shafts are formed in the top of the positioning seat body, and a detachable positioning gland is further mounted on the top of the positioning seat body; the top support plate of the front bracket is provided with a mounting hole, and the positioning seat is fixedly connected with the top support plate of the front bracket by a bolt

Preferably: the pivot mount pad includes pivot base and briquetting, and the pivot base adopts the bolt mounting to fix in the top support board of rear portion support, all is equipped with recess and rotation axis and is located the recess at the top of pivot base and the bottom of briquetting.

Preferably: the support frame body includes relative lateral part section bar and is located the connection section bar between the lateral part section bar, all is equipped with the shaft hole and inlays in the shaft hole and have the copper sheathing in the top and the bottom of two lateral part section bars, is equipped with spacing steel bushing at the both ends of the location axle of upper end, all is equipped with screw thread portion and is equipped with lock nut at the both ends of the location axle of upper end and lower extreme.

Preferably: the base frame of the frame type base comprises a rectangular frame located outside, a plurality of longitudinal sectional materials are welded inside the rectangular frame, transverse sectional materials are welded between the adjacent longitudinal sectional materials, a plurality of fixing bottom plates are arranged at the bottom of the rectangular frame and are fixedly connected with the ground through expansion bolts, and a plurality of U-shaped hanging rings are further mounted on the rectangular frame.

Preferably: the front support and the rear support are fixedly connected with the bottom frame respectively by bolts.

Preferably: and an angle indicating assembly is further mounted on the outer side of one of the rotating shaft mounting seats, and comprises a dial fixed with the rotating shaft mounting seat and an indicating needle mounted at the outer end of the rotating shaft on the side.

The invention has the advantages and positive effects that:

compared with the existing launching device, the launching device provided by the invention has the advantages that a plurality of parts can be conveniently disassembled and assembled, and the assembled and assembled launching device is very convenient to transport, so that the launching device is very beneficial to transfer to different sites for use, and has high maneuverability and flexibility. By arranging the frame type base fixed with the ground, the overall stability of the launching device after being installed in place is improved, and the launching stability of the rocket is ensured when a launching task is executed.

Through setting up the transmitting arm and the rear end of transmitting arm is connected with the pivot mount pad is articulated on the rear portion support, the front end of transmitting arm supports and the positioning seat on positioning support frame and the rear portion support is connected through the location support ear and positioning support frame, every group positioning support ear corresponds a transmission inclination respectively, the upper end through making positioning support frame is connected with the location support ear of difference, the realization is set for transmission inclination's quick adjustment, it is quick to adjust the simple operation. The foregoing adjustment operation can ensure the accuracy of different launch tilt angles, and thus can ensure the accuracy of the launch angle adjustment setting. The inclined launching device has strong operation stability, greatly improves the efficiency of rocket launching and reduces the cost of rocket launching.

Drawings

FIG. 1 is a schematic structural view, from the top, of the present invention;

FIG. 2 is a schematic diagram of a side view of the tilted transmitting device in use, tilted to an angle of 70 °;

FIG. 3 is a schematic structural view, from the top, of the present invention;

FIG. 4 is a schematic view of the base assembly of the present invention;

FIG. 5 is a schematic diagram of the construction of the launch arm of the present invention;

FIG. 6 is a schematic view of the positioning support rod of the present invention;

fig. 7 is a schematic view of the construction of the angle indicating assembly of the present invention.

In the figure:

1. a frame-type base; 11. an expansion bolt; 12. fixing the bottom plate; 13. a front bracket; 14. a rear bracket; 15. a rotating shaft mounting seat; 151. briquetting; 152. a rotating shaft base; 16. a rotating shaft; 17. a U-shaped hanging ring; 2. a launch arm; 21. a launch arm profile; 22. a guide rail base; 23. a launch rail; 24. lifting lugs; 25. positioning the support lug; 26. a shaft sleeve; 3. positioning a support frame; 31. a support frame body; 32. positioning the shaft; 33. a limiting steel sleeve; 34. a copper sleeve; 35. locking the nut; 4. an auxiliary loading assembly; 5. an angle indicating assembly; 51. a dial scale; 52. an indicator needle; 6. positioning seats; 7. an arrow blocking plate.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail.

Referring to fig. 1, 2 and 3, the rocket multi-angle positioning and inclined launching device comprises a frame type base 1 which is fixed on the ground and can be hoisted and transferred, a launching arm 2 and a positioning support frame 3, wherein the frame type base 1 is used for supporting auxiliary components, is fixed on the ground when the rocket launching operation is carried out, bears the reverse impact force when the rocket is launched, ensures the stability of the launching process, the launching arm 2 is connected with the rocket, the rocket is launched along the launching direction set by the launching arm 2 when the rocket is launched, and the positioning support frame 3 is used for supporting the launching arm 2, and rapidly adjusting and setting the launching arm 2 to the desired launching angle.

Referring to fig. 4, it can be seen that:

the frame type base 1 comprises a base frame, a front support 13 and a rear support 14 are mounted on the base frame, a positioning seat 6 is mounted on the front support 13, two opposite rotating shaft mounting seats 15 are mounted on the rear support 14, and a rotating shaft 16 is mounted on the two rotating shaft mounting seats 15.

As shown in the figure, the base frame of the frame base 1 comprises a rectangular frame located at the outside, a plurality of longitudinal profiles are welded and installed inside the rectangular frame, transverse profiles are welded and installed between adjacent longitudinal profiles, a plurality of fixing bottom plates 12 are arranged at the bottom of the rectangular frame, each fixing bottom plate 12 is fixedly connected with the ground by an expansion bolt 11, and a plurality of U-shaped hanging rings 17 are further installed on the rectangular frame. The U-shaped hanging ring 17 is arranged to assist in hoisting and transferring the frame type base 1. Welding fixed between base frame's rectangular frame, vertical section bar, the horizontal section bar, guarantee base frame's overall structure intensity, a plurality of PMKD 12 welding installations are in rectangular frame's frame and four corners position, provide the fixed effect in multiple spot position, and U type rings 17 adopts the welded mode to install on rectangular frame, and U type rings 17 are two about respectively setting up at front, middle part and rear portion, realize the multiple spot hoist and mount, guarantee the stationarity that hoist and mount shifted.

The front bracket 13 includes a bottom support plate, a top support plate, and a support rod between the two support plates, and the bottom support plate is fixedly connected to the rectangular frame by a plurality of bolts, so that the front bracket 13 can be disassembled and assembled. Similarly, the rear bracket 14 includes a bottom support plate, a top support plate, and a support rod between the two support plates, the bottom support plate being fixedly connected to the rectangular frame by a plurality of bolts, so that the rear bracket 14 can be disassembled and assembled.

Referring to fig. 4 and 7, it can be seen that:

the rotating shaft mounting seat 15 includes a rotating shaft base 152 and a pressing block 151, the rotating shaft base 152 is fixed on the top support plate of the rear support 14 by bolts, grooves are formed in the top of the rotating shaft base 152 and the bottom of the pressing block 151, and the rotating shaft 16 is located in the grooves (the upper semicircular groove and the lower semicircular groove jointly form a shaft hole for accommodating the rotating shaft 16). The pressing block 151 is fixedly connected to the rotating shaft base 152 by screws.

In this embodiment, in consideration of the need of visually displaying the currently adjusted and set emission angle, an angle indicating assembly 5 is further installed on the outer side of one of the rotating shaft mounting seats 15, and the angle indicating assembly 5 includes a dial 51 fixed to the rotating shaft base 152 of the rotating shaft mounting seat 15 and an indicating needle 52 installed on the outer end of the rotating shaft 16 on the side. The scale disc 51 is fixedly connected with the rotating shaft base 152 by screws, the indicating needle 52 is fixedly connected with the outer end of the rotating shaft 16 by screws, the rotating shaft 16 rotates synchronously with the launching arm 2, accordingly, the indicating needle 52 deflects and indicates the current angle value on the scale disc 51.

Referring to fig. 5, it can be seen that:

the launching arm 2 comprises a launching arm section bar 21, a launching guide rail 23 which extends along the length direction is installed at the top of the launching arm section bar 21, a shaft sleeve 26 is installed at the root of the launching arm section bar 21, two rotating shafts 16 are inserted and fixed in the shaft sleeve 26, and a plurality of groups of positioning support lugs 25 are installed below the front part of the launching arm section bar 21.

The launching arm section 21 is used as a supporting section, the launching guide rail 23 is used for being connected with a rocket, after the launching arm section 21 is adjusted to a proper launching angle, the rocket slides along the launching guide rail 23 to be launched out, the shaft sleeve 26 is used for being connected with the rotating shaft 16 in a matched mode, and the rotating shaft 16 and the shaft sleeve 26 are in a fixed inserting mode, so that when the launching arm 2 is adjusted in angle, the shaft sleeve 26 drives the rotating shaft 16 to rotate synchronously, the indicating needle 52 is driven to rotate synchronously, and the adjusted launching angle can be indicated on the dial 51. Each group of positioning support ears 25 corresponds to a set launch angle value, and when the support arm 2 is supported to an inclined state by the positioning support frame 3, the positioning support frame 3 is selectively and fixedly connected with one group of positioning support ears 25 according to the set requirement on the launch angle.

In this embodiment, the launch arm profile 21 of the launch arm 2 is made of H-shaped steel, and a plurality of reinforcing rib plates are welded and installed on two sides of the H-shaped steel in order to improve the overall structural strength. A guide rail base 22 is welded and installed on the top of the transmitting arm section bar 21, and the transmitting guide rail 23 is fixedly connected with the guide rail base 22 through bolts. Guide rail base 22 is flat metal sheet, adopts the welded mode installation to fix at the top of launching arm section bar 21, adopts the mode of machining to process guide rail base 22's surface after the welding installation in order to promote the roughness on surface, later installs launching guide rail 23 again, can guarantee the straightness after launching guide rail 23 installs like this, promotes the stationarity of rocket launch.

In this embodiment, the launching guide rail 23 is a multi-section spliced guide rail, a track groove with a rectangular cross section is formed in the launching guide rail 23, the track groove is used for being matched with a slider arranged on a rocket, a detachable slider opening cover covering a port of the track groove is arranged at the rear end of the launching guide rail 23, the slider opening cover is detached when the rocket is loaded, therefore, the port of the track groove is opened, the slider opening cover is arranged after the rocket is loaded, and a slider on the rocket cannot be separated from the track groove of the launching guide rail 23.

In this embodiment, the positioning support ears 25 are provided with three sets, each set of positioning support ears includes two opposite support ear monomers with connection holes, and the top edges of the support ear monomers are welded and fixed with the bottom of the transmitting arm profile 21.

In this embodiment, the launching arm 2 further includes a plurality of lifting lugs 24, the lifting lugs 24 are metal pipes with through threaded holes in the middle, and the lifting lugs 24 are welded and installed on the launching arm profile 21. As shown in the figure, the three lifting lugs 24 are respectively arranged at the front part, the middle front part and the middle rear part of the launching arm 2, and when the launching arm 2 needs to be hoisted and transferred and the launching angle of the launching arm 2 needs to be hoisted and adjusted, the connecting piece at the lower end of the lifting cable is connected with the lifting lugs 24, specifically, the connecting piece is two threaded rods which are respectively in threaded connection with the two ends of the lifting lugs 24.

Referring to fig. 6, it can be seen that:

the positioning support frame 3 comprises a support frame body 31, positioning shafts 32 are arranged at the upper end and the lower end of the support frame body 31, the positioning shafts 32 at the upper end are connected with one group of positioning support lugs 25, and the positioning shafts 32 at the lower end are fixedly connected with the positioning seats 6. The positioning support frame 3 is used for supporting the launching arm 2 to a set launching angle.

In this embodiment, the supporting frame body 31 includes opposite side profiles and a connecting profile located between the side profiles, and both ends of the connecting profile are welded and fixed to the side profiles. All be equipped with the shaft hole and inlay in the shaft hole and have copper sheathing 34 at the top and the bottom of two lateral part section bars, be equipped with spacing steel bushing 33 at the both ends of the location axle 32 of upper end, all be equipped with screw thread portion and be equipped with lock nut 35 at the both ends of location axle 32 of upper end and lower extreme.

As shown in the drawings, the support frame body 31 is configured like a ladder, ensuring the overall structural strength. The copper bush 34 is used as a bush of the positioning shaft 32, the two limiting steel bushes 33 are respectively positioned at the inner sides of the two supporting lug monomers of the positioning supporting lug 25 when the positioning shaft 32 at the upper end is connected with the positioning supporting lug 25, and play a role of a gasket, so that the upper end of the positioning support frame 3 can be positioned at the middle position of the two supporting lug monomers of the positioning supporting lug 25, and the problem of offset support is avoided. Since the lower positioning shaft 32 is only used for connecting with the positioning socket 6, there is no problem of offset support, and therefore the lower positioning shaft 32 is not provided with the position-limiting steel bushing 33.

The positioning seat 6 comprises a positioning seat body, a plurality of grooves for containing the positioning shafts 32 are formed in the top of the positioning seat body, the detachable positioning pressing covers are further installed at the top of the positioning seat body, when the lower end of the positioning support frame 3 is required to be connected with the positioning seat 6, the positioning pressing covers are firstly detached, the positioning shafts 32 at the lower end are placed into one of the grooves in the top of the positioning seat body, then the positioning pressing covers are installed again, and the positioning shafts 32 at the lower end cannot be separated from the positioning seat 6.

In this embodiment, a mounting hole is formed in the top support plate of the front bracket 13, and the positioning seat body of the positioning seat 6 is fixedly connected to the top support plate of the front bracket 13 by a bolt. The effect that sets up a plurality of recesses at the top of positioning seat body is: the positioning shaft 32 at the lower end of the positioning support frame 3 can be selectively arranged in one of the grooves, so that the emission angle of the emission arm 2 can be slightly adjusted by selecting different grooves.

Either the sub-loader assembly 4 or the shutter 7 is mounted at the rear end of the launch arm 2, and only one of the sub-loader assembly 4 and the shutter 7 is mounted at the rear end of the launch arm 2 at the same time. Wherein, the auxiliary loading assembly 4 is arranged at the rear end of the launching arm 2 during rocket loading for auxiliary loading and is detached after the loading operation is completed, and the arrow blocking plate 7 is arranged at the rear part of the launching arm 2 after the rocket loading is completed, so that the rocket can not fall off from the launching arm 2 in the process of overturning and erecting the launching arm 2 until launching.

In this embodiment, the auxiliary loading assembly 4 is fixed to the rear end of the launching arm 2 by bolts, and includes a loading support plate fixedly connected to the rear end of the launching arm profile 21, a slider guide groove whose front end is butted with the rear end of the launching guide rail 23 is provided in the middle of the loading support plate, and after the auxiliary loading assembly 4 is installed, the loading of the rocket onto the launching arm 2 is assisted, and the slider on the rocket enters the slider guide groove first and then is guided forward to enter the rail groove on the launching rail 23.

In the present embodiment, the arrow blocking plate 7 is fixed to the rear end of the launch arm 2 by bolting, that is, to the rear end of the launch arm profile 21.

The operation method comprises the following steps:

(1) Leveling device

Before loading the rocket, the launcher is placed according to the shooting direction, the frame type base 1 is leveled through the horizontal adjusting measuring tool, the frame type base 1 is installed and fixed on the ground through the expansion bolts 11, the stability of installation and fixation is ensured, the launcher is prevented from being overturned by the reaction force in the rocket launching process, and the shooting accuracy is ensured.

(2) Loading rail

Firstly, an auxiliary loading assembly 4 is installed at the rear end of a launching arm 2, a slide block opening cover at the rear end of a launching guide rail 23 is disassembled, then a whole rocket is horizontally lifted to enable a slide block of the whole rocket to be aligned to a loading inlet (namely an inlet of a slide block guide groove) of the auxiliary loading assembly 4, and the rocket is horizontally pulled to enter the rail (the slide block on the rocket enters a rail groove on the launching guide rail 23); the auxiliary loading assembly 4 is then removed, the shutter 7 is replaced and the slider flap is reinstalled.

(3) Turning over and erecting

Connecting a hoisting cable of the crane to a launching arm lifting lug 25, turning over the launching arm 2 and the rocket to erect, driving an indicating needle 52 to rotate by a shaft sleeve 26 and a rotating shaft 16 at the moment, and indicating the current launching angle value on a dial 51; according to the set launching angle, when the launching arm 2 and the rocket are turned and erected to a certain degree, the positioning shaft 32 at the upper end of the positioning support frame 3 is connected with the positioning support lug 25 at a specific position (firstly, the lock nut 35 is taken down, then the positioning shaft 32 and the limiting steel sleeve 33 thereof are taken down, then the shaft hole at the upper end is aligned with the connecting hole on the selected positioning support lug 25, the positioning shaft 32 is penetrated again, the limiting steel sleeve 33 is installed, and then the lock nuts 35 at the two ends are screwed);

continuing to perform the turning and erecting operation until the turning and erecting operation reaches a set angle, arranging the positioning shaft 32 at the lower end of the positioning support frame 3 in the groove at the specific position of the positioning seat 6, and then installing and fixing the positioning gland thereof to complete the turning and erecting process;

can borrow angle instrument calibration launch angle, if launch angle does not reach and set for numerical value, can dismantle positioning gland of positioning seat 6, later with the location axle 32 setting of lower extreme in another more suitable recess in order to realize the fine setting to launch angle, install the positioning gland again after the fine setting, so realize launch angle's accurate matching and set for, through practice proves, this emitter has improved the launch positioning accuracy of rocket, has reduced launch angle's adjustment time.

Claims

1. A rocket multi-angle positioning inclined launching device is characterized in that: the lifting device comprises a frame type base (1) which is fixed on the ground and can be lifted and transferred, wherein the frame type base (1) comprises a base frame, a front support (13) and a rear support (14) are arranged on the base frame, a positioning seat (6) is arranged on the front support (13), two opposite rotating shaft mounting seats (15) are arranged on the rear support (14), and a rotating shaft (16) is arranged on the two rotating shaft mounting seats (15); the transmission arm comprises a transmission arm section (21), a transmission guide rail (23) extending along the length direction is installed at the top of the transmission arm section (21), a shaft sleeve (26) is installed at the root of the transmission arm section (21), two rotating shafts (16) are inserted and fixed in the shaft sleeve (26), and a plurality of groups of positioning support lugs (25) are installed below the front part of the transmission arm section (21); the positioning support frame (3) comprises a support frame body (31), positioning shafts (32) are arranged at the upper end and the lower end of the support frame body (31), the positioning shafts (32) at the upper end are connected with one group of positioning support lugs (25), and the positioning shafts (32) at the lower end are fixedly connected with the positioning seats (6); an auxiliary loading assembly (4) or an arrow blocking plate (7) is arranged at the rear end of the launching arm (2).

2. A rocket multi-angle positioning inclined launching device as recited in claim 1, wherein: the launching arm section (21) of the launching arm (2) is made of H-shaped steel, a guide rail base (22) is welded and installed at the top of the launching arm section (21), and a launching guide rail (23) is fixedly connected with the guide rail base (22) through bolts; a track groove with a rectangular cross section is arranged on the launching guide rail (23), and a detachable slide block opening cover which covers the port of the track groove is arranged at the rear end of the launching guide rail (23).

3. A rocket multi-angle positioning inclined launching device as recited in claim 2, wherein: the positioning support ears (25) are provided with three groups, each group of positioning support ears (25) comprises two opposite support ear monomers with connecting holes, and the top edges of the support ear monomers are welded and fixed with the transmitting arm profile (21); the launching arm (2) further comprises a plurality of lifting lugs (24), the lifting lugs (24) are metal pipes with through threaded holes in the middle, and the lifting lugs (24) are welded and installed on the launching arm section bar (21).

4. A rocket multi-angle positioning inclined launching device as recited in claim 3, wherein: the auxiliary loading assembly (4) is fixedly installed at the rear end of the launching arm (2) by bolts and comprises a loading supporting plate fixedly connected with the rear end of the launching arm profile (21), and the middle part of the loading supporting plate is provided with a sliding block guide groove of which the front end is butted with the rear end of the launching guide rail (23); the arrow blocking plate (7) is installed and fixed at the rear end of the launching arm (2) by bolts.

5. A rocket multi-angle positioning inclined launching device as recited in claim 4, wherein: the positioning seat (6) comprises a positioning seat body, a plurality of grooves for accommodating the positioning shafts (32) are formed in the top of the positioning seat body, and a detachable positioning gland is further mounted on the top of the positioning seat body; and a mounting hole is formed in the top supporting plate of the front bracket (13), and the positioning seat (6) is fixedly connected with the top supporting plate of the front bracket (13) by bolts.

6. A rocket multi-angle positioning inclined launching device as recited in claim 5, wherein: the rotating shaft mounting seat (15) comprises a rotating shaft base (152) and a pressing block (151), the rotating shaft base (152) is mounted and fixed on a top supporting plate of the rear support (14) through bolts, grooves are formed in the top of the rotating shaft base (152) and the bottom of the pressing block (151), and the rotating shaft (16) is located in the grooves.

7. A rocket multi-angle positioning inclined launching device as recited in claim 6, wherein: support frame body (31) include relative lateral part section bar and be located the connecting profile between the lateral part section bar, all be equipped with the shaft hole and inlay in the shaft hole and have copper sheathing (34) in the top and the bottom of two lateral part section bars, be equipped with spacing steel bushing (33) at the both ends of location axle (32) of upper end, all be equipped with screw thread portion and be equipped with lock nut (35) at the both ends of location axle (32) of upper end and lower extreme.

8. A rocket multi-angle positioning inclined launching device as recited in any one of claims 1 to 7, wherein: the base frame of the frame type base (1) comprises a rectangular frame located outside, a plurality of longitudinal sectional materials are welded inside the rectangular frame, transverse sectional materials are welded between the adjacent longitudinal sectional materials, a plurality of fixing bottom plates (12) are arranged at the bottom of the rectangular frame, the fixing bottom plates (12) are fixedly connected with the ground through expansion bolts (11), and a plurality of U-shaped hanging rings (17) are further arranged on the rectangular frame.

9. A rocket multi-angle positioning inclined launching device as recited in any one of claims 1 to 7, wherein: the front bracket (13) and the rear bracket (14) are fixedly connected with the bottom frame by bolts respectively.

10. A rocket multi-angle positioning inclined launching device as recited in any one of claims 1 to 7, wherein: an angle indicating assembly (5) is further mounted on the outer side of one of the rotating shaft mounting seats (15), and the angle indicating assembly (5) comprises a dial (51) fixed with the rotating shaft mounting seat (15) and an indicating needle (52) mounted at the outer end of the rotating shaft (16) on the side.