Movable self-swinging cannon with manual angle adjusting and self-locking functions

Abstract

The utility model provides a mobile self-swinging cannon with a manual angle adjustment self-locking function, which comprises a self-swinging cannon body, an angle adjustment piece is arranged at the bottom end of the self-swinging cannon body, a flow guide shell is connected with the self-swinging cannon body through a connecting piece, the top end of a rotating shaft is fixedly connected with the flow guide shell, and the rotating shaft is fixedly connected with the self-swinging cannon body. The bottom plate is connected with the bottom end of the rotating shaft through a bearing, a center hole of the gear is fixedly connected with the rotating shaft, the toothed plate is connected with the gear in a meshed mode, the fixing frame is fixedly connected with the bottom plate, and the transmission shaft is connected with internal threads of the fixing frame. After the angle of the self-swinging gun body is adjusted to be proper, the rotating shaft is braked through meshing of the toothed plate and the gear and threads outside the transmission shaft on the premise that the transmission shaft is rotated without external force, and the using stability of the self-swinging gun body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a self -oscillating cannon technical field especially a kind of mobile self -oscillating cannon with manual angle adjustment self -locking function. BACKGROUND

[0002] Self-oscillating fire monitor has horizontal automatic swing function, can automatically rotate left and right or up and down within a certain angle range, expands fire-extinguishing coverage, this automatic swing function can improve fire-extinguishing efficiency, reduces the time required for manual aiming, especially in the case where fire source position changes constantly or fire is large, can better achieve large-area rapid fire extinguishing.

[0003] Among them, according to the different needs of use, part of self-oscillating fire monitor needs to be installed on trolley to quickly change the use position of fire monitor, after angle adjustment, self-oscillating fire monitor located on trolley is inconvenient to fix, leading to unstable spraying state of self-oscillating fire monitor. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of mobile self -oscillating cannon with manual angle adjustment self -locking function, which solves the problem that self-oscillating fire monitor on trolley is inconvenient to fix after angle adjustment, leading to unstable spraying state of self-oscillating fire monitor.

[0005] The utility model provides a kind of mobile self -oscillating cannon with manual angle adjustment self -locking function, including self-oscillating cannon body, the bottom end of self-oscillating cannon body is equipped with angle adjustment piece, and the angle adjustment piece is used to adjust the offset angle of self-oscillating cannon body;

[0006] The angle adjustment piece includes flow guide shell, connecting piece, rotating shaft, bottom plate, gear, toothed plate and driving part;

[0007] The flow guide shell is connected with self-oscillating cannon body by connecting piece, the top end of rotating shaft is fixedly connected with flow guide shell, the bottom plate is connected with the bottom end of rotating shaft by bearing, the central hole of gear is fixedly connected with rotating shaft, the toothed plate is engagedly connected with gear, the driving part is connected with bottom plate, and the driving part is used to drive the transverse movement of toothed plate to drive gear rotation;

[0008] The driving part includes fixing frame and transmission shaft;

[0009] The fixed frame is fixedly connected with the bottom plate, the transmission shaft is threadedly connected with the fixed frame, the transmission shaft drives the gear plate to move transversely when rotating to drive the gear to rotate, the transmission shaft is limited to move transversely in the fixed frame when stopping rotating, so that the position of the gear after rotating and engaging with the gear plate is automatically locked, one end of the transmission shaft is connected with the gear plate through a bearing, and the other end of the transmission shaft is fixedly connected with a hand wheel.

[0010] Preferably, the bottom end of the gear plate is fixedly connected with a sliding plate, and the sliding plate is matched with a sliding groove of the bottom plate.

[0011] Preferably, the bottom end of the bottom plate is provided with a bearing assembly, and the bearing assembly is used to drive the whole mechanism to move.

[0012] The bearing assembly comprises a bearing seat, a rotating shaft, a roller, a brake, a pushing piece and a supporting leg.

[0013] The bearing seat is connected with the bottom plate through a bolt, the rotating shaft is connected with the bearing seat through a bearing, the roller is fixedly connected with the rotating shaft through a center hole, the supporting leg is fixedly connected with the bearing seat away from the roller, the brake is arranged at the bottom end of the bearing seat, and the brake is used to limit the movement of the bearing seat.

[0014] Preferably, the brake comprises a mounting frame, an abutting plate, a connecting rope, a connecting screw, a cross rod and a torsion spring.

[0015] The top end of the mounting frame is fixedly connected with the bearing seat, the abutting plate is hingedly connected with the mounting frame through a pin shaft, the bottom end of the connecting rope is fixedly connected with the abutting plate, the bottom end of the connecting screw is fixedly connected with the connecting rope, the connecting screw is threadedly connected with the bearing seat, the two ends of the cross rod are fixedly connected with the mounting frame, the torsion spring is located outside the cross rod, one end of the torsion spring abuts against the bearing seat, and the other end of the torsion spring abuts against the abutting plate.

[0016] Preferably, the top end of the bearing seat is provided with the pushing piece.

[0017] The pushing piece comprises a vertical plate, a supporting rod, a cylinder, a positioning pin and a pushing rod.

[0018] The vertical plate is fixedly connected with the bearing seat, the supporting rod is fixedly connected in a limiting groove of the vertical plate, the cylinder is located outside the supporting rod, the cylinder is connected with the supporting rod through the positioning pin, and the bottom end of the pushing rod is fixedly connected with the cylinder.

[0019] Preferably, the pushing rod is processed in a T shape, so that the pushing rod is held by two hands.

[0020] Preferably, the bottom end of the abutting plate is processed with grinding lines to increase the friction with the ground.

[0021] Preferably, the torsion springs are symmetrically distributed based on the crossbar.

[0022] Preferably, the connecting piece comprises a threaded pin and a nut;

[0023] The bottom end of the threaded pin is fixedly connected with the flow guide shell, the top end of the threaded pin penetrates through the threaded hole of the self-swinging gun body and is connected with the nut, and the threaded pin is uniformly distributed along the flow guide shell.

[0024] Preferably, the flow guide shell is provided with pipe joints on the outer periphery, and the two pipe joints are provided with sealing plugs.

[0025] The utility model provides a mobile self-swinging gun with manual angle adjustment and self-locking function:

[0026] Through the cooperation of the flow guide shell, the connecting piece, the rotating shaft, the bottom plate, the gear, the toothed plate, the fixing frame and the transmission shaft, the hand wheel drives the transmission shaft to rotate in the fixing frame to push the toothed plate to move horizontally in the sliding groove of the bottom plate, the toothed plate drives the gear to rotate to drive the rotating shaft to rotate in the bottom plate, and then the rotating shaft drives the flow guide shell and the self-swinging gun body to deviate, after the angle of the self-swinging gun body is adjusted appropriately, the meshing of the toothed plate and the gear and the threads outside the transmission shaft are utilized to brake the rotating shaft under the premise that the transmission shaft is not rotated by external force, the stability of the self-swinging gun body during use is increased, and the stable injection of the self-swinging gun is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0028] Figure 1 It is a structural schematic view of the utility model;

[0029] Figure 2 It is a structural schematic view of the flow guide shell, the rotating shaft, the bottom plate and the gear in the utility model;

[0030] Figure 3 It is a structural schematic view of the fixing frame, the transmission shaft, the hand wheel and the toothed plate in the utility model;

[0031] Figure 4It is the structure schematic view of the supporting rod, the cylinder, the positioning pin and the push rod in the utility model.

[0032] Figure 5 It is the structure schematic view of the abutting plate, the connecting rope, the connecting screw rod and the torsion spring in the utility model.

[0033] Explanation of reference signs:

[0034] 1-self-oscillating cannon body, 2-angle adjusting piece, 21-flow guiding shell, 211-pipe joint, 22-connecting piece, 221-threaded pin, 222-nut, 23-rotating shaft, 24-bottom plate, 25-gear, 26-toothed plate, 261-sliding plate, 27-driving piece, 271-fixing frame, 272-transmission shaft, 273-hand wheel, 3-bearing assembly, 31-bearing seat, 311-bolt, 32-rotating shaft, 33-roller, 34-braking piece, 341-mounting frame, 342-abutting plate, 343-connecting rope, 344-connecting screw rod, 345-cross rod, 346-torsion spring, 35-pushing piece, 351-vertical plate, 352-supporting rod, 353-cylinder, 354-positioning pin, 355-push rod, 36-supporting leg. DETAILED DESCRIPTION

[0035] The technical scheme of the utility model will be described clearly and completely below in combination with embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0036] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or position relationship shown based on the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0037] In the description of the utility model, need understanding is, the term "first" "second" is used for the purpose of description only, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, "a plurality of" means two or more than two, unless otherwise explicitly specified. In addition, the term "installation" "connection" "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0038] In the embodiment, as shown in Figure 1 And Figure 2 A mobile self-oscillating gun with manual angle adjustment and self-locking function, comprising a self-oscillating gun body 1, an angle adjustment part 2 is installed at the bottom end of the self-oscillating gun body 1, the angle adjustment part 2 is used for adjusting the offset angle of the self-oscillating gun body 1, the angle adjustment part 2 comprises a flow guide shell 21, a connecting part 22, a rotating shaft 23, a bottom plate 24, a gear 25, a toothed plate 26 and a driving part 27, the flow guide shell 21 is connected with the self-oscillating gun body 1 through the connecting part 22, the top end of the rotating shaft 23 is fixedly connected with the flow guide shell 21, the bottom plate 24 is connected with the bottom end of the rotating shaft 23 through a bearing, the central hole of the gear 25 is fixedly connected with the rotating shaft 23, the toothed plate 26 is engagedly connected with the gear 25, the driving part 27 is connected with the bottom plate 24, and the driving part 27 is used for driving the toothed plate 26 to move transversely to drive the gear 25 to rotate.

[0039] The driving part 27 comprises a fixing frame 271 and a transmission shaft 272, the fixing frame 271 is fixedly connected with the bottom plate 24, the transmission shaft 272 is screwedly connected in the fixing frame 271, the transmission shaft 272 drives the toothed plate 26 to move transversely to drive the gear 25 to rotate when rotating, the transmission shaft 272 is limited to move transversely in the fixing frame 271 when stopping rotating, so as to automatically lock the position of the gear 25 after rotating and engaging with the toothed plate 26, one end of the transmission shaft 272 is connected with the toothed plate 25 through a bearing, and the other end of the transmission shaft 272 is fixedly connected with a hand wheel 273.

[0040] Thus, the transmission shaft 272 is driven to rotate in the fixed frame 271 by the hand wheel 273, the transmission shaft 272 pushes the toothed plate 26 to move laterally in the sliding groove of the bottom plate 24, the toothed plate 26 drives the gear 25 to rotate, the gear 25 drives the rotating shaft 23 to rotate in the bottom plate 24, and then the rotating shaft 23 drives the deflector 21 and the self-oscillating cannon body 1 to deviate. After the angle of the self-oscillating cannon body 1 is adjusted, the transmission shaft 272 stops rotating, at this time, the transmission shaft 272 cannot move laterally in the fixed frame 271, and the gear 25 is automatically locked by the meshing of the toothed plate 26 and the gear 25, so as to increase the stability of the self-oscillating cannon body 1 in use.

[0041] Specifically, the bottom of the deflector 21 and the self-oscillating cannon body 1 are communicated, the rotating shaft 23 is used to drive the deflector 21 to rotate, the sliding groove is processed in the bottom plate 24, the toothed plate 26 and the gear 25 are designed to facilitate the adjustment of the rotating angle of the self-oscillating cannon body 1, the fixed frame 271 is used to install the transmission shaft 272, the outer wall of the transmission shaft 272 is processed with threads, and the hand wheel 273 is used to drive the transmission shaft 272 to rotate.

[0042] It should be noted that the transmission shaft 272 can also be connected with an external motor through a shaft coupling, and the motor is used to drive the transmission shaft 272 to rotate.

[0043] In some embodiments, as shown in Figure 3 The bottom end of the toothed plate 26 is fixedly connected with a sliding plate 261, and the sliding plate 261 is matched with the sliding groove of the bottom plate 24.

[0044] Specifically, the sliding plate 261 is matched with the sliding groove of the bottom plate 24 to constrain the toothed plate 26 to move laterally only.

[0045] In some embodiments, as shown in Figure 4 The bottom end of the bottom plate 24 is provided with a bearing assembly 3, the bearing assembly 3 is used to drive the whole mechanism to move, the bearing assembly 3 comprises a bearing seat 31, a rotating shaft 32, a roller 33, a brake 34, a pushing piece 35 and a supporting leg 36, the bearing seat 31 is provided with a bolt 311, the bearing seat 31 is connected with the bottom plate 24 through the bolt 311, the rotating shaft 32 is connected with the bearing seat 31 through a bearing, the center hole of the roller 33 is fixedly connected with the rotating shaft 32, the supporting leg 36 is fixedly connected with the end of the bearing seat 31 away from the roller 33, and the brake 34 is arranged at the bottom end of the bearing seat 31 and is used to limit the movement of the bearing seat 31.

[0046] Specifically, the bearing seat 31 is used to support the self-oscillating cannon body 1, two rollers 33 are arranged on the rotating shaft 32, and two supporting legs 36 are designed to support the bearing seat 31, and the design of the two rollers 33 facilitates the movement of the whole mechanism.

[0047] In some embodiments, as shown in Figure 5As shown, the brake 34 comprises a mounting frame 341, an abutting plate 342, a connecting rope 343, a connecting screw 344, a crossbar 345 and a torsion spring 346, the top end of the mounting frame 341 is fixedly connected with the bearing seat 31, the abutting plate 342 is hingedly connected with the mounting frame 341 through a pin shaft, the bottom end of the connecting rope 343 is fixedly connected with the abutting plate 342, the bottom end of the connecting screw 344 is fixedly connected with the connecting rope 343, the connecting screw 344 is threadedly connected with the bearing seat 31, both ends of the crossbar 345 are fixedly connected with the mounting frame 341, the torsion spring 346 is located outside the crossbar 345, one end of the torsion spring 346 abuts against the bearing seat 31, and the other end of the torsion spring 346 abuts against the abutting plate 342.

[0048] Specifically, the mounting frame 341 is provided with two symmetrical distribution based on the bearing seat 31, the abutting plate 342 rotates at the bottom end of the mounting frame 341 through a pin shaft, the connecting rope 343 is made of flexible material, for example, a chain, which can be bent, the use height of the abutting plate 342 is adjusted by adjusting the position of the connecting screw 344 in the bearing seat 31, the crossbar 345 is used for mounting the torsion spring 346, and the abutting plate 342 is driven to adhere to the ground under the action of the elastic potential energy of the torsion spring 346.

[0049] In some embodiments, as shown in Figure 4 As shown, the top end of the bearing seat 31 is provided with a pushing piece 35, the pushing piece 35 comprises a vertical plate 351, a support rod 352, a cylinder 353, a positioning pin 354 and a push rod 355, the vertical plate 351 is fixedly connected with the bearing seat 31, the support rod 352 is fixedly connected in the limiting groove of the vertical plate 351, the cylinder 353 is located outside the support rod 352, the cylinder 353 is connected with the support rod 352 through the positioning pin 354, and the bottom end of the push rod 355 is fixedly connected with the cylinder 353.

[0050] Specifically, the vertical plate 351 is provided with two, the support rod 352 is located between the two vertical plates 351, the cylinder 353 can rotate outside the support rod 352, the positioning pin 354 is used for fixing the position of the cylinder 353 on the support rod 352, a plurality of threaded holes matched with the positioning pin 354 are uniformly distributed on the support rod 352, and the push rod 355 is used to drive the bearing seat 31 to move through the roller 33.

[0051] In some embodiments, as shown in Figure 4 As shown, the push rod 355 is processed in a T shape, so that the push rod 355 is held by two hands.

[0052] Specifically, the push rod 355 is designed in a T shape to facilitate holding by two hands, and a triangular reinforcing rib is arranged between the push rod 355 and the cylinder 353.

[0053] In some embodiments, as shown in Figure 5As shown, the bottom end of the abutting plate 342 is processed with a grinding pattern to increase the friction between the abutting plate 342 and the ground.

[0054] The design of the grinding pattern on the bottom end of the abutting plate 342 increases the friction between the abutting plate 342 and the ground to improve the stability of the bearing seat 31.

[0055] In some embodiments, as shown, the torsion spring 346 is symmetrically distributed based on the crossbar 345. Figure 5

[0056] Specifically, the torsion spring 346 is designed with two on both sides of the crossbar 345 to increase the friction between the abutting plate 342 and the ground.

[0057] In some embodiments, as shown, the connecting piece 22 includes a threaded pin 221 and a nut 222. Figure 2

[0058] The bottom end of the threaded pin 221 is fixedly connected with the flow guide shell 21, the top end of the threaded pin 221 penetrates through the threaded hole of the self-oscillating gun body 1 and is connected with the nut 222, and the threaded pin 221 is uniformly distributed along the flow guide shell 21.

[0059] The threaded pin 221 is matched with the threaded hole of the self-oscillating gun body 1, the nut 222 is connected with the threaded pin 221 to fix the self-oscillating gun body 1 and the flow guide shell 21, and the number of the connecting piece 22 is not specifically limited, and in addition, the connecting piece 22 can also be replaced by other connecting structures under the premise of meeting the connection of the self-oscillating gun body 1 and the flow guide shell 21.

[0060] In some embodiments, as shown, the flow guide shell 21 is provided with a pipe joint 211 on the outer periphery, and the two pipe joints 211 are both provided with a sealing plug. Figure 2

[0061] The pipe joint 211 is provided with two, when the pipe joint 211 is independent, the sealing plug is used to close the other pipe joint 211, and the two pipe joints 211 can also be used at the same time.

[0062] The working principle of the application will be described below with a preferred embodiment:

[0063] ​​​In the bearing seat 31, the connecting screw 344 is rotated, the connecting rope 343 drives the abutment plate 342 to rotate in the mounting frame 341, when the abutment plate 342 approaches the bearing seat 31, the abutment plate 342 extrudes the torsion spring 346 to deform, the abutment plate 342 is separated from the ground, the cylinder 353 is rotated on the support rod 352, the positioning pin 354 is used to fix the position of the cylinder 353 on the support rod 352, and the inclination angle of the push rod 355 is fixed, the two rollers 33 at the bottom of the bearing seat 31 are driven by the push rod 355 to move the whole mechanism to a suitable position, the connecting screw 344 is rotated downward in the bearing seat 31, and then the abutment plate 342 abuts against the ground, the hand wheel 273 drives the transmission shaft 272 to rotate in the fixed frame 271, the transmission shaft 272 pushes the sliding plate 261 on the toothed plate 26 to move transversely in the sliding groove of the bottom plate 24, at the same time, the toothed plate 26 drives the gear 25 to rotate, the gear 25 drives the rotating shaft 23 to rotate in the bottom plate 24, and then the rotating shaft 23 drives the flow guide shell 21 and the self-swinging cannon body 1 to deviate, the external force on the hand wheel 273 is removed, the transmission shaft 272 stops rotating in the fixed frame 271, at this time, the transmission shaft 272 and the toothed plate 26 cannot move transversely, and then the gear 25 engaged with the toothed plate 26 will not rotate, so as to automatically lock the rotating shaft 23 in the gear 25, the external pipeline is communicated with the flow guide shell 21 through the pipeline joint 211, and then the self-swinging cannon body 1 sprays the water source to extinguish the fire.

[0064] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A mobile self-oscillating gun with a manually adjustable angle self-locking function, comprising a self-oscillating gun body (1), characterized in that, The bottom end of the self-swinging cannon body (1) is provided with an angle adjusting part (2) for adjusting the deviation angle of the self-swinging cannon body (1); The angle adjusting part (2) comprises a flow guide shell (21), a connecting part (22), a rotating shaft (23), a bottom plate (24), a gear (25), a toothed plate (26) and a driving part (27); The flow guide shell (21) is connected with the self-swinging cannon body (1) through the connecting part (22), the top end of the rotating shaft (23) is fixedly connected with the flow guide shell (21), the bottom plate (24) is connected with the bottom end of the rotating shaft (23) through a bearing, the central hole of the gear (25) is fixedly connected with the rotating shaft (23), the toothed plate (26) is in meshing connection with the gear (25), and the driving part (27) is connected with the bottom plate (24); The driving part (27) comprises a fixing frame (271) and a transmission shaft (272); The fixing frame (271) is fixedly connected with the bottom plate (24), the transmission shaft (272) is screw-connected with the fixing frame (271), the transmission shaft (272) drives the toothed plate (26) to move transversely to drive the gear (25) to rotate when rotating, the transmission shaft (272) is limited to move transversely in the fixing frame (271) when stopping rotating, so as to automatically lock the position of the gear (25) after rotating in meshing connection with the toothed plate (26), one end of the transmission shaft (272) is connected with the toothed plate (26) through a bearing, and the other end of the transmission shaft (272) is fixedly connected with a hand wheel (273).

2. A mobile self-oscillating cannon with a hand-adjusted angle self-locking function according to claim 1, characterized in that, The bottom end of the toothed plate (26) is fixedly connected with a sliding plate (261), and the sliding plate (261) is matched with a sliding groove of the bottom plate (24).

3. The mobile self-oscillating cannon with a manually adjustable angle and self-locking function according to claim 1, characterized in that, The bottom end of the bottom plate (24) is provided with a bearing assembly (3) for driving the whole mechanism to move; The bearing assembly (3) comprises a bearing seat (31), a rotating shaft (32), a roller (33), a braking part (34), a pushing part (35) and a supporting leg (36); The bearing seat (31) is provided with a bolt (311), the bearing seat (31) is connected with the bottom plate (24) through the bolt (311), the rotating shaft (32) is connected with the bearing seat (31) through a bearing, the central hole of the roller (33) is fixedly connected with the rotating shaft (32), the supporting leg (36) is fixedly connected with one end of the bearing seat (31) away from the roller (33), the braking part (34) is arranged at the bottom end of the bearing seat (31), and the braking part (34) is used for limiting the movement of the bearing seat (31).

4. The mobile self-oscillating cannon with a hand-adjusted angle self-locking function according to claim 3, characterized in that, The braking part (34) comprises a mounting frame (341), an abutting plate (342), a connecting rope (343), a connecting screw (344), a cross rod (345) and a torsion spring (346); The mounting frame (341) is fixedly connected with the bearing seat (31), the abutting plate (342) is fixedly connected with the mounting frame (341), the connecting rope (343) is connected with the abutting plate (342), the connecting screw (344) is screw-connected with the mounting frame (341), the cross rod (345) is fixedly connected with the mounting frame (341), and the torsion spring (346) is arranged between the cross rod (345) and the mounting frame (341). The top end of the mounting frame (341) is fixedly connected with the bearing seat (31), the abutting plate (342) is hingedly connected with the mounting frame (341) through a pin shaft, the bottom end of the connecting rope (343) is fixedly connected with the abutting plate (342), the bottom end of the connecting screw (344) is fixedly connected with the connecting rope (343), the connecting screw (344) is internally threadedly connected with the bearing seat (31), both ends of the cross rod (345) are fixedly connected with the mounting frame (341), the torsion spring (346) is located at the outer periphery of the cross rod (345), one end of the torsion spring (346) abuts against the bearing seat (31), and the other end of the torsion spring (346) abuts against the abutting plate (342).

5. The mobile self-oscillating cannon with a hand-adjusted angle self-locking function according to claim 3, characterized in that, A pushing piece (35) is mounted at the top end of the bearing seat (31); The pushing piece (35) comprises a vertical plate (351), a supporting rod (352), a cylinder (353), a positioning pin (354) and a push rod (355); The vertical plate (351) is fixedly connected with the bearing seat (31), the supporting rod (352) is fixedly connected in the limiting groove of the vertical plate (351), the cylinder (353) is located at the outer periphery of the supporting rod (352), the cylinder (353) is connected with the supporting rod (352) through the positioning pin (354), and the bottom end of the push rod (355) is fixedly connected with the cylinder (353).

6. The mobile self-oscillating cannon with a manually adjustable angle and self-locking function according to claim 5, characterized in that, The push rod (355) is processed in a T shape, so that both hands can hold the push rod (355).

7. The mobile self-oscillating cannon with a hand-adjusted angle self-locking function according to claim 4, characterized in that, The bottom end of the abutting plate (342) is processed with grinding lines, so as to increase the friction with the ground.

8. The mobile self-oscillating cannon with a hand-adjusted angle self-locking function according to claim 4, characterized in that, The torsion springs (346) are symmetrically distributed based on the cross rod (345).

9. The mobile self-oscillating cannon with a hand-adjusted angle self-locking function according to claim 1, characterized in that, The connecting piece (22) comprises a threaded pin (221) and a nut (222); The bottom end of the threaded pin (221) is fixedly connected with the flow guide shell (21), the top end of the threaded pin (221) penetrates through the threaded hole of the self-swinging gun body (1) and is connected with the nut (222), and the threaded pin (221) is uniformly distributed along the flow guide shell (21).

10. The mobile self-oscillating cannon with a manually adjustable angle and self-locking function according to claim 1, characterized in that, The outer periphery of the flow guide shell (21) is provided with pipe joints (211), and the two pipe joints (211) are provided with sealing plugs.

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