CN209917116U

CN209917116U - Reversing seat of electric control fire monitor

Info

Publication number: CN209917116U
Application number: CN201920091430.7U
Authority: CN
Inventors: 耿晨; 耿长民
Original assignee: Shandong Lyuping Industrial Fire-Fighting Equipment Co Ltd
Current assignee: Shandong Lyuping Industrial Fire-Fighting Equipment Co Ltd
Priority date: 2019-01-18
Filing date: 2019-01-18
Publication date: 2020-01-10
Anticipated expiration: 2029-01-18

Abstract

The utility model relates to an electronic control fire monitor reversing seat, which comprises a transmission seat, an assembly seat, a first driving motor, a transmission gear and a second driving motor. The transmission seat is provided with gear structures distributed along the arc surface. The assembly seat is fixedly connected with the transmission seat and is connected to the rack through a pivot. The first driving motor is fixed on the rack, the transmission gear is assembled at the output shaft end and is matched with the gear structure on the transmission seat, and the transmission seat and the assembly seat can be driven to synchronously rotate in the vertical plane. And the second driving motor is fixed on the assembly seat, and a transmission shaft of the second driving motor is axially distributed along the vertical direction and can be associated with the jet gun barrel for adjusting the jet direction of the jet gun barrel. The problem of cable winding can be overcome to this patent, improves the atress situation of cable, simple structure moreover.

Description

Reversing seat of electric control fire monitor

Technical Field

The utility model relates to an automatically controlled fire gun field particularly is the switching-over seat that can use on automatically controlled fire gun.

Background

The fire water monitor is an important device for realizing remote fire fighting, and the jet accuracy and the fire extinguishing effect are directly determined by the flexibility of the action of the jet gun barrel. Therefore, the nozzle of the spraying barrel of the fire water monitor designed at present can be flexibly aligned to any direction of a vertical space and can be inclined upwards and downwards.

In order to ensure that the spraying barrel of the electric control fire water monitor can flexibly act, at least two motors are required to be arranged, one motor is used for driving the spraying barrel to rotate in a vertical space and adjusting the spraying direction, the other motor is used for driving the spraying barrel to vertically swing in the vertical space, and the spraying height or the included angle of the spraying barrel relative to the horizontal plane is adjusted.

On the connection structure of the automatically controlled fire water monitor of using at present, when the injection direction of the barrel is sprayed in the adjustment to the part among a plurality of motors, is rotatory along with the connecting seat together, the winding problem appears easily in the cable, receives the cyclic stress of the flexible effect of great intensity and influences the life and the security of using of cable moreover easily.

SUMMERY OF THE UTILITY MODEL

The cable to automatically controlled fire gun twines easily, causes the problem of adverse effect to the cable life-span, the utility model provides an automatically controlled fire gun switching-over seat, it can overcome the winding problem of cable, improves the atress situation of cable, simple structure moreover.

The utility model provides a technical scheme that its technical problem adopted is: an electrically controlled fire monitor reversing seat, comprising:

the transmission seat is provided with a gear structure distributed along the arc surface.

And the assembly seat is fixedly connected with the transmission seat and is connected to the rack through a pivot.

The first driving motor is fixed on the rack, the transmission gear is assembled at the output shaft end and matched with the gear structure on the transmission seat, so that the purpose that the transmission seat and the assembly seat can rotate synchronously in a vertical plane is achieved, and the spraying height of the spraying gun barrel can be adjusted conveniently.

And the second driving motor is fixed on the assembly seat, and a transmission shaft of the second driving motor is axially arranged along the vertical direction and can be associated with the injection gun barrel to adjust the injection direction of the injection gun barrel.

In a specific embodiment, the transmission seat is a ring body, and the assembly seat is a spherical shell. And a supporting arm connected with the spherical shell is arranged on the inner wall of the ring body. An arc-shaped rack is arranged on the outer wall of the ring body, and the transmission gear is meshed and matched with the arc-shaped rack. The pivot is arranged on the outer wall of the spherical shell, the second driving motor is fixedly installed in the spherical shell, and an assembling through hole opposite to the output shaft of the second driving motor is formed in the top of the spherical shell.

In another specific embodiment, the transmission seat is a semi-cylinder body, and the assembling seat is a supporting plate fixed at a strip notch of the semi-cylinder body. And internal teeth and/or external teeth are arranged on the inner arc surface and/or the outer arc surface of the semi-cylindrical body. The transmission gear is meshed and matched with the internal teeth or the external teeth arranged on the semi-cylindrical body. The pivot is arranged on the supporting plate, and the second driving motor is fixedly arranged on the supporting plate, and the output shaft of the second driving motor faces upwards.

In addition to the above embodiments, the present invention further includes a stop assembly that can be selectively used to prevent rotation of the transmission housing in a vertical plane. The stop assembly can be centered at the position where the transmission gear is arranged, one stop assembly is arranged on each side oppositely, and even one pair or more stop assemblies are arranged on each side oppositely. The purpose of setting up the locking assembly is after guaranteeing that the transmission seat rotates certain angular position, can stably keep in this position, helps and improves the reliability when the transmission seat stagnation is in required position, can reduce the static torsion size that the transmission shaft of driving motor one bore under the stagnation state simultaneously.

In one embodiment, the stopping assembly is a stopping wheel set comprising a stopping gear and an electromagnetic chuck arranged on the same shaft. The shaft lever is rigidly fixed on the frame. The stop gear can rotate relative to the shaft, and the electromagnetic chuck is matched with the prism section on the shaft. After being electrified, the electromagnetic chuck can act on one side end face of the stop gear to prevent the stop gear from rotating relative to the shaft rod. The stopping wheel set also comprises a transmission unit which is used for driving the stopping gear to reset after the electromagnetic chuck loses power. The stop gear is meshed and matched with a gear structure which is arranged on the transmission seat and distributed along an arc surface.

The above mentioned embodiments:

(1) when the transmission seat is a ring body, the stop gear is meshed and matched with the arc-shaped rack arranged on the outer wall of the ring body.

When the electromagnetic chuck is in a power-off state, the first driving motor drives the transmission gear to rotate, so that the ring body rotates clockwise or anticlockwise, and the stop gear can rotate relative to the shaft rod under the driving of the arc-shaped rack.

When the electromagnetic chuck is in an electrified state, the electromagnetic chuck prevents the stop gear from rotating relative to the shaft rod, so that the stop gear can block the rotation of the ring body, and the ring body is stopped at a required angle position.

(2) When the transmission seat is a semi-cylinder, the stop gear is meshed and matched with the inner teeth arranged on the inner curved wall of the semi-cylinder or the outer teeth arranged on the outer curved wall.

Similarly, when the electromagnetic chuck is in a power-off state, the first driving motor drives the transmission gear to rotate, so that the semi-cylinder rotates clockwise or anticlockwise, and the stop gear can rotate relative to the shaft rod under the driving of the internal teeth or the external teeth.

When the electromagnetic chuck is in an electrified state, the electromagnetic chuck prevents the stop gear from rotating relative to the shaft lever, so that the stop gear can block the rotation of the semicylinder body, and the semicylinder body can be stopped at a required angle position.

In a specific embodiment, an edge ring-shaped sinking groove is formed in one end face, facing the electromagnetic chuck, of the stop gear, edge rings are pressed in the edge ring-shaped sinking groove, and when the electromagnetic chuck is attracted and connected with the edge rings to prevent the stop gear from rotating relative to the shaft rod, the transmission units are distributed in a plurality of groups at intervals around the circumference. Each group of transmission units comprises a guide connecting rod, a spring and a spiral ring. The stop gear is provided with a stepped through hole parallel to the axis of the stop gear, the guide connecting rod is arranged in the stepped through hole, one end of the guide connecting rod is fixedly connected with the edge ring, and the other end of the guide connecting rod is sleeved with the spring and is connected with the spiral ring. One end of the spring is in contact with the bottom surface of the counter bore of the stepped through hole, the other end of the spring is in contact with the end face of the spiral ring, and the elastic force is applied to the spiral ring to drive the edge ring to move towards the edge ring-shaped counter bore relatively.

The magnetic attraction force of the electromagnetic disk on the edge ring is required to be far greater than the elastic force of each spring on the edge ring.

And a fastening ring is arranged on the shaft lever and on the outer side of one end surface of the electromagnetic chuck, and the fastening ring and a shaft shoulder arranged on the shaft lever act together to axially fix the electromagnetic chuck.

In another embodiment, the stopping assembly is a stopping rod set, and the stopping rod set comprises a housing fixed on the frame, a sliding rod capable of linearly sliding in a reciprocating manner relative to the inner cavity of the housing, and a driving unit for driving the sliding rod to slide relative to the housing. And one end of the sliding rod, which faces the transmission seat, is provided with gear teeth which can be meshed and matched with a gear structure distributed along an arc surface on the transmission seat.

The above mentioned embodiments:

(1) when the transmission seat is a ring body, the gear teeth at the end part of the sliding rod can be meshed and matched with the arc-shaped rack arranged on the outer wall of the ring body.

When the driving unit drives one end, provided with gear teeth, of the sliding rod to move towards the direction far away from the ring body, the gear teeth arranged at the end part of the sliding rod can be disengaged from the arc-shaped rack, and at the moment, the driving motor drives the transmission gear to rotate, so that the ring body can rotate around the clockwise direction or the anticlockwise direction.

After the first driving motor drives the ring body to rotate to the required position in the clockwise direction or the anticlockwise direction, the driving unit drives one end, provided with gear teeth, of the sliding rod to move towards the direction close to the ring body, the gear teeth arranged at the end part of the sliding rod can be meshed with the arc-shaped rack, and then the rotation of the ring body is hindered, so that the ring body stays at the required angle position.

(2) Treat when the transmission seat is the semi-cylinder body, the teeth of a cogwheel of slide bar tip can mate with the internal tooth that sets up on the curved wall in the semi-cylinder body or the external tooth that sets up on the curved wall.

Similarly, when the driving unit drives one end, provided with gear teeth, of the slide bar to move towards the direction far away from the semi-cylinder body, the gear teeth arranged at the end part of the slide bar can be disengaged from the internal teeth or the external teeth, and at the moment, the driving motor drives the transmission gear to rotate, so that the semi-cylinder body can rotate around the clockwise direction or the anticlockwise direction.

Treat driving motor one orders about the semicylinder and rotates to the required position around clockwise or anticlockwise, and drive unit orders about the slide bar and is equipped with the one end of the teeth of a cogwheel and moves towards being close to the direction of semicylinder, then the teeth of a cogwheel that the slide bar tip set up can establish the meshing relation with internal tooth or external tooth, and then causes the hindrance to the rotation of semicylinder, and makes the semicylinder stop in the angular position of requirement.

In a specific embodiment, the housing comprises a lower cover plate and an upper cover plate, and the middle parts of the inner side plate surfaces of the upper cover plate and the lower cover plate are provided with opposite curved surface grooves. One end of the sliding rod is provided with a cylinder, and the other end of the sliding rod is provided with a curved surface body; the curved surface of the cylinder is tangent to the inner side plate surfaces of the upper cover plate and the lower cover plate at the corresponding positions. The curved surface body is provided with a curved surface convex wall opposite to the curved surface groove, and a gap is formed between the curved surface convex wall and the curved surface groove. The gear teeth which can be meshed and matched with the gear structures distributed along the arc surface and arranged on the transmission seat are arranged on the part of the curved surface of the cylinder which is relatively exposed out of the upper cover plate and the lower cover plate.

The driving unit is a hydraulic cylinder group, the end part of the cylinder rod is fixedly connected with a connecting block, and the other end of the connecting block is hinged to one end of the curved surface body.

More specifically, an elastic ring is sleeved on a hinged shaft between the connecting block and the curved surface body.

The utility model has the advantages that: the automatically controlled fire monitor switching-over seat that this patent provided can overcome the winding problem of cable, improves the atress situation of cable, and its connection structure is simple moreover, is convenient for implement and uses.

Drawings

Fig. 1 is a schematic structural view of a main view cross section (partial) according to a first embodiment of the present disclosure.

Fig. 2 is a schematic top view of the upper housing portion of the spherical shell according to the first embodiment of the present invention.

Fig. 3 is a schematic front view of a second embodiment of the present disclosure.

Fig. 4 is a schematic top view of a semicylindrical body according to the second embodiment of the present disclosure.

FIG. 5 is a cross-sectional view of a first embodiment of a stop assembly according to the present disclosure.

Fig. 6 is a schematic structural diagram of a second variation of the second embodiment of this patent.

FIG. 7 is a diagram illustrating a state of the embodiment shown in FIG. 6.

FIG. 8 is a diagram illustrating a second state of the embodiment shown in FIG. 6.

FIG. 9 is a cross-sectional view of a second embodiment of a stop assembly according to the present disclosure.

1.1 ring body, 1.11 arc rack

1.2 semicylindrical body, 1.21 internal teeth, 1.22 clamping groove and 1.23 external teeth

11 support arm, 111 plugboard

2.1 spherical shell, 2.11 upper shell, 2.12 lower shell

2.2 support plate

21 pivot, 22 boss, 221 slot and 23 abdication slot

3 driving motor I, 4 transmission gear and 5 driving motor II

6.1 stop wheel set, 61 stop gear, 62 shaft lever, 63 electromagnetic chuck, 64 edge ring, 65 guide connecting rod, 66 spring, 67 spiral ring and 68 fastening ring

6.2 stop rod group, 71 lower cover plate, 72 upper cover plate, 73 curved groove, 8 slide rod, 81 cylinder, 811 stop tooth, 82 curved body, 821 curved convex wall, 9 hydraulic cylinder group, 91 connecting block

10-jet gun barrel

Detailed Description

The drawings in the specification show the structure, ratio, size, etc. only for the purpose of matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and not for the purpose of limiting the present invention, so the present invention does not have the essential meaning in the art, and any structure modification, ratio relationship change or size adjustment should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and achievable purpose of the present invention. Meanwhile, the terms "upper", "lower", "front", "rear", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

The reversing seat of the electric control fire monitor shown in fig. 1 to 9 comprises a transmission seat (1.1 and 1.2 shown in the figure), an assembly seat (2.1 and 2.2 shown in the figure), a first driving motor 3, a transmission gear 4 and a second driving motor 5. The transmission seat is provided with a gear structure (such as an arc-shaped rack 1.11, internal teeth 1.21 or external teeth 1.23) distributed along an arc surface, the assembly seat is fixedly connected with the transmission seat and is connected to the rack through a pivot 21. The mounting and the transmission can rotate synchronously around a pivot 21 in a vertical space (such as the X-Y plane in fig. 1). The first driving motor 3 is fixed on the frame, the output shaft end of the first driving motor is assembled with the transmission gear 4, and the transmission gear 4 is matched with a gear structure (such as an arc-shaped rack 1.11, internal teeth 1.21 or external teeth 1.23) on the transmission seat, so that the purpose of driving the transmission seat and the assembly seat to synchronously rotate in a vertical plane is achieved, and the spraying height of the spraying gun barrel 10 is adjusted. The second driving motor 5 is fixed on the assembling seat, and the axial direction of a transmission shaft of the second driving motor 5 is arranged along the vertical direction and can be associated with the jet gun barrel 10 to adjust the jet direction of the jet gun barrel 10.

The first embodiment is as follows:

as shown in fig. 1 and 2, the transmission seat is a ring 1.1 (in particular, a non-complete ring), and the assembly seat is a spherical shell 2.1 (a non-standard sphere with a technical hole or surface). The spherical shell 2.1 comprises an upper shell 2.11 and a lower shell 2.12, wherein a lug for connection and a rib plate for support are arranged in the two shells, and the two shells are connected into a whole by bolts or screws. As shown, the opposing ports of the two housings are provided with corresponding mating annular grooves and annular flanges. The inner wall of the ring body 1.1 is provided with a supporting arm 11 connected with the spherical shell 2.1, and the supporting arms 11 are arranged corresponding to the upper and lower shells 2.11 and 2.12 in the figure. An arc-shaped rack 1.11 is arranged on the outer wall of the ring body 1.1, and the transmission gear 4 is meshed and matched with the arc-shaped rack 1.11. The pivot 21 is arranged on the outer wall of the spherical shell 2.1, the second driving motor 5 is fixedly arranged in the spherical shell 2.1, and the top of the spherical shell 2.1 is provided with an assembling through hole opposite to the output shaft of the second driving motor 5.

As shown, bosses 22 are provided on the upper and lower housings 2.11, 2.12, respectively, opposite the support arms 11, for ease of assembly and disassembly. The illustrated boss 22 is provided with an open and U-shaped slot 221. The end of the support arm 11 is shown with an insert 111 that mates with the corresponding slot 221. The upper and lower shells 2.11, 2.12 and the ring body 1.1 are fixedly connected into a whole by bolts or screws after the inserting plates 111 are moved into the corresponding slots 221. In a particular embodiment, it is advantageous to have the center of the ring body 1.1 coincide with the center of the spherical shell 2.1. Moreover, in order to ensure that the centers of gravity of the ring body 1.1 and the spherical shell 2.1 can be always on the axis of the pivot 21 or deviate from the axis of the pivot 21 within a small range when the ring body and the spherical shell rotate synchronously, a counterweight block or a counterweight boss or a groove can be arranged in the spherical shell 2.1 and/or the ring body 1.1 during specific implementation.

Example two:

as shown in fig. 3 and 4, the transmission seat is a semi-cylinder 1.2, and the assembly seat is a support plate 2.2 fixed at a strip notch of the semi-cylinder 1.2. At least one of the inner wall curved surface and the outer wall curved surface of the semi-cylinder 1.2 is a circular curved surface (incomplete circular, such as semi-circular). In the scheme shown in the figure, the curved surface of the inner wall and the curved surface of the outer wall of the semi-cylinder body 1.2 are both circular curved surfaces. In the figure, the semi-cylindrical body 1.2 is provided with internal teeth 1.21 and external teeth 1.23 on the inner arc surface and the outer arc surface, respectively (alternatively in the specific embodiment). The transmission gear 4 is meshed and matched with the internal teeth 1.21 arranged on the semi-cylindrical body 1.2. The pivot 21 is arranged on the support plate 2.2, the second driving motor 5 is fixedly arranged on the support plate 2.2, and an output shaft of the second driving motor 5 faces upwards. As shown in fig. 4, the middle of the strip-shaped notch of the semicylinder body 1.2 is oppositely provided with a clamping groove 1.22 at the left and right sides, the left and right ends of the support plate 2.2 are respectively clamped in the clamping grooves 1.22 at the opposite sides, and then the semicylinder body 1.2 and the support plate 2.2 are connected into a whole by bolts or screws. The internal teeth 1.21 are arranged at the front end and the rear end of the inner wall surface of the semi-cylinder 1.2, so that the transmission gears 4 are a coaxial pair. As shown in fig. 4 and 6, the external teeth 1.23 are arranged in the middle of the outer wall of the semi-cylinder 1.2. On the lower face of backup pad 2.2, be equipped with in the left and right sides and dodge the groove 23, should dodge the groove 23 and can be when drive gear 4 is in the both ends position of internal tooth 1.21 relatively, for drive gear 4 abdicate, can expand the range of injection barrel 10 about the injection position to a certain extent.

As shown in fig. 1, fig. 3, and fig. 6, the embodiments of the present disclosure can further include: a stop assembly that can be selectively used to prevent rotation of the drive mount in a vertical plane. The stopping assembly takes the arrangement position of the transmission gear as the center, and one stopping assembly is oppositely arranged on each side. In a specific embodiment, even with the arrangement position of the transmission gear as the center, one pair or more of the stop assemblies are oppositely arranged on each side. The purpose of setting up the locking assembly is after (the contained angle that forms relative horizontal plane) with guaranteeing that the transmission seat rotates certain angular position, can stably keep in this position, helps and improves the reliability when the transmission seat stagnation is in required position, can reduce the static torsion size that the transmission shaft of driving motor one bore under the stagnation state simultaneously.

As shown in fig. 1 to 5, the stopping assembly is a stopping wheel set 6.1, and the stopping wheel set 6.1 includes a stopping gear 61 and an electromagnetic suction cup 63 which are arranged on the same shaft 62. The shaft 62 is rigidly fixed to the frame. The stop gear 61 is rotatable (bearing-engageable) relative to the shaft 62, and the electromagnetic chuck 63 mates with a prismatic section on the shaft 62 (which are not rotatable relative to each other). The electromagnetic chuck 63 is capable of acting on one end surface of the stop gear 61 after being energized, and preventing the stop gear 61 from rotating relative to the shaft 62. The stopping wheel set 6.1 further comprises a transmission unit for driving the stopping gear 61 (separated from the electromagnetic chuck 63) to reset after the electromagnetic chuck 63 loses power. The stop gear 61 is engaged and matched with a gear structure (such as an arc-shaped rack 1.11 and external teeth 1.23) which is arranged on the transmission seat and distributed along an arc surface.

The above mentioned embodiments:

(1) when the transmission seat is the ring body 1.1, the stop gear 61 is meshed and matched with the arc-shaped rack 1.11 arranged on the outer wall of the ring body 1.1.

When the electromagnetic chuck 63 is in a power-off state, the first driving motor 3 drives the transmission gear 4 to rotate, so that the ring body 1.1 rotates clockwise or counterclockwise, and the stop gear 61 can rotate relative to the shaft rod 62 under the driving of the arc-shaped rack 1.11.

When the electromagnetic chuck 63 is in the energized state, the stop gear 61 will block the rotation of the ring body 1.1 because the electromagnetic chuck 63 can prevent the stop gear 61 from rotating relative to the shaft 62, so that the ring body 1.1 stays at the desired angular position.

(2) When the transmission seat is a semi-cylinder 1.2, the stop gear 61 is meshed and matched with the external teeth 1.23 arranged on the outer curved surface wall of the semi-cylinder 1.2.

Similarly, when the electromagnetic chuck 63 is in a power-off state, the first driving motor 3 drives the transmission gear 4 to rotate, so that the semi-cylinder 1.2 rotates clockwise or counterclockwise, and the stop gear 61 can rotate relative to the shaft 62 under the driving of the external teeth.

When the electromagnetic chuck 63 is in the energized state, the stop gear 61 will hinder the rotation of the semi-cylindrical body 1.2 because the electromagnetic chuck 63 can prevent the stop gear 61 from rotating relative to the shaft 62, so that the semi-cylindrical body 1.2 stays at the required angular position.

As shown in fig. 5, when the stop gear 61 is provided with an annular groove on one end surface facing the electromagnetic chuck 63, and the annular groove is pressed with the annular ring 64, and the electromagnetic chuck 63 is attracted to the annular ring 64 (the electromagnetic chuck 63 is energized to attract the annular ring 64 to move outward relative to the annular groove), so as to prevent the stop gear 61 from rotating relative to the shaft 62, the transmission units are distributed in a plurality of groups at intervals around the circumference, and each group of the transmission units includes a guide link 65, a spring 66 and a spiral ring 67. A stepped through hole parallel to the axis of the stop gear 61 is provided on the bottom surface of the edge-ring-shaped counter sink of the stop gear 61. The guiding connecting rod 65 is arranged in the stepped through hole, one end of the guiding connecting rod is fixedly connected with the edge ring 64, and the other end of the guiding connecting rod is sleeved with the spring 66 and is connected with the spiral ring 67. The outer end face of the spiral ring 67 is provided with a prism ring body. One end of the spring 66 is in contact with the bottom surface of the counter bore of the stepped through hole, the other end of the spring is in contact with the end surface of the spiral ring 67, and the elastic force is applied to the spiral ring 67 to apply an acting force to the edge ring 64 so as to drive the edge ring 64 to move relatively towards the edge ring-shaped counter bore. The magnetic attraction force of the electromagnetic disk on the edge ring is required to be far greater than the elastic force of each spring on the edge ring. A fastening ring 68 is provided on the shaft 62 and on the outside of the end face of the electromagnetic chuck, and the fastening ring 68 cooperates with a shoulder provided on the shaft 62 to axially fix the electromagnetic chuck 63.

As shown in fig. 6 to 9, the stopping assembly is a stopping rod set 6.2, and the stopping rod set 6.2 includes a housing fixed on the frame, a sliding rod 8 capable of linearly sliding in a reciprocating manner relative to an inner cavity of the housing, and a driving unit for driving the sliding rod 8 to slide relative to the housing. One end of the sliding rod 8 facing the transmission seat is provided with gear teeth (namely, stopping teeth 811) which can be meshed and matched with a gear structure distributed along an arc surface on the transmission seat.

The above mentioned embodiments:

(1) when the transmission seat is a ring body 1.1, the gear teeth at the end part of the sliding rod can be meshed and matched with an arc-shaped rack 1.11 arranged on the outer wall of the ring body.

When the driving unit drives one end of the sliding rod 8 provided with the stopping teeth 811 to move towards the direction far away from the ring body 1.1, the stopping teeth 811 arranged at the end part of the sliding rod can be disengaged from the arc-shaped rack 1.11, and at the moment, the first driving motor 3 drives the transmission gear 4 to rotate, so that the ring body 1.1 can rotate around the clockwise direction or the anticlockwise direction.

After the first driving motor 3 drives the ring body 1.1 to rotate to a required position in a clockwise direction or an anticlockwise direction, the driving unit drives one end, provided with the stopping teeth 811, of the sliding rod 8 to move towards a direction close to the ring body 1.1, the stopping teeth 811 arranged at the end of the sliding rod 8 can establish a meshing relationship with the arc-shaped rack 1.11, and further block rotation of the ring body 1.1, so that the ring body 1.1 stays at the required angular position.

(2) When the transmission seat is a semi-cylinder 1.2, the stopping teeth 811 at the end of the slide bar 8 can be meshed and matched with the external teeth 1.23 arranged on the outer curved wall of the semi-cylinder 1.2.

Similarly, when the driving unit drives the end of the sliding rod 8 provided with the stopping teeth 811 to move away from the semi-cylinder 1.2, the stopping teeth 811 arranged at the end of the sliding rod 8 can be disengaged from the external teeth 1.23, and at the same time, the first driving motor 3 drives the transmission gear 4 to rotate, so that the semi-cylinder 1.2 can rotate around the clockwise direction or the anticlockwise direction.

After the driving motor one 3 drives the semi-cylinder 1.2 to rotate to the required position in the clockwise direction or the anticlockwise direction, the driving unit drives one end, provided with the stopping teeth 811, of the sliding rod 8 to move towards the direction close to the semi-cylinder 1.2, the stopping teeth 811 arranged at the end of the sliding rod 8 can establish a meshing relationship with the external teeth 1.23, and then the rotation of the semi-cylinder 1.2 is hindered, so that the semi-cylinder 1.2 stays at the required angular position.

As shown in fig. 9, the housing includes a lower cover plate 71 and an upper cover plate 72, and the middle portions of the inner plate surfaces of the upper and lower cover plates 71, 72 are provided with opposite curved grooves 73. One end of the slide bar 8 is provided with a cylinder 81, and the other end is provided with a curved surface body 82. The curved surface of the cylinder 81 is tangent to the inner side plate surfaces of the upper and lower cover plates 71, 72 at the corresponding positions. The curved body 82 is provided with a curved convex wall 821 facing the curved groove 73, and a gap is formed between the curved convex wall 821 and the curved groove 73. The stopping teeth 811 capable of engaging with the gear structure (specifically, the external teeth 1.23) arranged on the transmission seat along the arc surface are arranged on the curved surface of the cylinder 81, which is exposed from the upper and lower cover plates 71, 72. The stop teeth 811 are shown as one, and in particular embodiments, a plurality of teeth, such as two or three teeth, may be provided. The driving unit is a hydraulic cylinder group 9, the end part of a cylinder rod is fixedly connected with a connecting block 91, and the other end of the connecting block 91 is hinged at one end of the curved surface body 82. More specifically, an elastic ring is sleeved on a hinge shaft between the connecting block 91 and the curved body 82.

In the embodiment shown in fig. 9, the curved body 82 forms a gap with respect to the curved groove 73, so that the axis of the sliding rod 8 can deviate from the inner plate surfaces of the upper and lower cover plates 71, 72 to form an included angle, so that a certain abduction can be realized when the stop teeth 811 and the arc-shaped rack 1.1 or the external teeth 1.23 (or the internal teeth 1.21 in the specific embodiment) are disengaged and are re-engaged, and after engagement, a rigid torque force for preventing the rotation of the transmission seat is formed by the contact between the curved convex wall 821 on the curved body 82 and the curved groove 73. The articulated shaft between the connecting block 91 and the curved surface body 82 is sleeved with an elastic ring, so that the cylinder rod in the hydraulic cylinder group 9 can be prevented from bearing torsion, and the service life of the hydraulic cylinder group can be ensured.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. The present invention can be modified in many ways without departing from the spirit and scope of the present invention, and those skilled in the art can modify or change the embodiments described above without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides an automatically controlled fire gun switching-over seat which characterized in that includes:

the transmission seat is provided with a gear structure distributed along the arc surface;

the assembly seat is fixedly connected with the transmission seat and is connected to the rack through a pivot;

the transmission mechanism comprises a first driving motor and a transmission gear, wherein the first driving motor is fixed on a rack, an output shaft end is assembled with the transmission gear, and the transmission gear is matched with a gear structure on the transmission seat and used for driving the transmission seat and the assembly seat to synchronously rotate in a vertical plane;

2. The electronically controlled fire monitor reversing seat according to claim 1, wherein: the transmission seat is a ring body, and the assembly seat is a spherical shell;

a supporting arm connected with the spherical shell is arranged on the inner wall of the ring body;

an arc-shaped rack is arranged on the outer wall of the ring body, and the transmission gear is meshed and matched with the arc-shaped rack;

the pivot is arranged on the outer wall of the spherical shell, the second driving motor is fixedly installed in the spherical shell, and an assembling through hole opposite to the output shaft of the second driving motor is formed in the top of the spherical shell.

3. The electronically controlled fire monitor reversing seat according to claim 1, wherein: the transmission seat is a semi-cylinder body, and the assembly seat is a supporting plate fixed at a strip-shaped notch of the semi-cylinder body;

inner teeth and/or outer teeth are arranged on the inner arc surface and/or the outer arc surface of the semi-cylindrical body;

the transmission gear is meshed and matched with the internal teeth or the external teeth arranged on the semi-cylindrical body;

the pivot is arranged on the supporting plate, and the second driving motor is fixed on the supporting plate and the output shaft faces upwards.

4. The electronically controlled fire monitor reversing seat according to any one of claims 1 to 3, wherein: a stop assembly is also included that can be selectively used to prevent rotation of the drive mount in a vertical plane.

5. The electronically controlled fire monitor reversing seat according to claim 4, wherein: the stopping assembly is a stopping wheel set, and the stopping wheel set comprises a stopping gear and an electromagnetic chuck which are arranged on the same shaft rod;

the shaft lever is rigidly fixed on the frame; the stop gear can rotate relative to the shaft, and the electromagnetic chuck is matched with the prism section on the shaft;

after the electromagnetic chuck is electrified, the electromagnetic chuck can act on one side end face of the stop gear to prevent the stop gear from rotating relative to the shaft rod;

the stopping wheel set further comprises a transmission unit which drives the stopping gear to reset after the electromagnetic chuck loses power;

the stop gear is meshed and matched with a gear structure which is arranged on the transmission seat and distributed along an arc surface.

6. The electronically controlled fire monitor reversing seat according to claim 5, wherein: one end face, facing the electromagnetic chuck, of the stop gear is provided with a prismatic annular sinking groove, and a prismatic ring is pressed in the prismatic annular sinking groove;

the electromagnetic chuck can be connected with the edge ring through magnetic attraction to prevent the stop gear from rotating relative to the shaft lever;

the transmission units are distributed in a plurality of groups at intervals around the circumference, and each group of transmission units comprises a guide connecting rod, a spring and a spiral ring;

the bottom surface of the prismatic annular sinking groove is provided with an axially extending stepped through hole, the guide connecting rod is arranged in the stepped through hole, one end of the guide connecting rod is fixedly connected with the prismatic ring, and the other end of the guide connecting rod is sleeved with the spring and is connected with the spiral ring;

one end of the spring is in contact with the bottom surface of the counter bore of the stepped through hole, and the other end of the spring is in contact with the end face of the spiral ring.

7. The electronically controlled fire monitor reversing seat according to claim 4, wherein: the stopping assembly is a stopping rod group which comprises a shell fixed on the frame, a sliding rod capable of linearly sliding in a reciprocating manner relative to the inner cavity of the shell and a driving unit for driving the sliding rod to slide relative to the shell;

and one end of the sliding rod, which faces the transmission seat, is provided with gear teeth which can be meshed and matched with a gear structure distributed along an arc surface on the transmission seat.

8. The electronically controlled fire monitor reversing seat according to claim 7, wherein: the shell comprises a lower cover plate and an upper cover plate, and the middle parts of the inner side plate surfaces of the upper cover plate and the lower cover plate are provided with opposite curved surface grooves;

one end of the sliding rod is provided with a cylinder, and the other end of the sliding rod is provided with a curved surface body;

the curved surface of the cylinder is tangent to the inner side plate surfaces of the upper cover plate and the lower cover plate at the corresponding positions;

the curved surface body is provided with a curved surface convex wall opposite to the curved surface groove, and a gap is formed between the curved surface convex wall and the curved surface groove;

the gear teeth which can be meshed and matched with the gear structures distributed along the arc surface and arranged on the transmission seat are arranged on the part of the curved surface of the cylinder which is relatively exposed out of the upper cover plate and the lower cover plate.

9. The electronically controlled fire monitor reversing seat according to claim 8, wherein: the driving unit is a hydraulic cylinder group, the end part of the cylinder rod is fixedly connected with a connecting block, and the other end of the connecting block is hinged to one end of the curved surface body.

10. The electronically controlled fire monitor reversing seat according to claim 9, wherein: and an elastic ring is sleeved on a hinged shaft between the connecting block and the curved surface body.