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CN-121987995-A - Electric control fire monitor

CN121987995ACN 121987995 ACN121987995 ACN 121987995ACN-121987995-A

Abstract

The invention provides an electric control fire monitor, which comprises a first swinging unit and a second swinging unit positioned at the water outlet end of the first swinging unit, wherein a connecting pipe is connected between the first swinging unit and the second swinging unit, the first swinging unit and the second swinging unit respectively rotate relative to the connecting pipe, the first swinging unit comprises a first miter flange and a second miter flange which are connected together in a reverse rotation way, the second swinging unit comprises a third miter flange and a fourth miter flange which are connected together in a reverse rotation way, the water outlet end of the second swinging unit is connected with a water outlet joint, and the water inlet end of the first swinging unit is connected with a water inlet pipe seat. The invention has the beneficial effects that each swinging unit controls the swinging through the reverse rotation of the two miter flanges, and the direction of the water outlet connector is controlled through the swinging superposition of the two swinging units, so that the pressure difference between the water flow inlet and the water flow outlet can be effectively reduced, and the fire extinguishing efficiency can be effectively improved.

Inventors

  • LI SHUJIN

Assignees

  • 天津力华时代科技有限公司

Dates

Publication Date
20260508
Application Date
20260319

Claims (10)

  1. 1. The electric control fire monitor is characterized by comprising a first swinging unit and a second swinging unit positioned at the water outlet end of the first swinging unit, wherein a connecting pipe is connected between the first swinging unit and the second swinging unit, the first swinging unit and the second swinging unit respectively rotate relative to the connecting pipe, the first swinging unit comprises a first miter flange and a second miter flange which are connected together in a reverse rotation mode, the second swinging unit comprises a third miter flange and a fourth miter flange which are connected together in a reverse rotation mode, each miter flange comprises a tubular connecting section, a circular inclined section and an annular protruding section, the inclined section is obliquely fixedly connected to one end of the connecting section, the protruding section is circumferentially fixedly connected to the other end of the inclined section, a water passing port aligned with the inner wall of the connecting section is formed in the inclined section, the second miter flange is positioned at the water outlet end of the first miter flange, the fourth miter flange is positioned at the water outlet end of the third miter flange, in each swinging unit, the two corresponding inclined sections are arranged in parallel, the two corresponding protruding sections are sleeved and connected together in a rotary mode, and the first swinging unit is connected with a water inlet and outlet end of the water inlet pipe.
  2. 2. The electrically controlled fire monitor according to claim 1, further comprising a first limiting unit and a second limiting unit, wherein the first limiting unit and the second limiting unit comprise a first support arm and a second support arm, In the first limiting unit, one end of a first support arm is fixedly connected to the side wall of the water inlet pipe seat, one end of a second support arm is fixedly connected to the side wall of the connecting pipe, the other ends of the first support arm and the second support arm are rotationally connected together, an encoder and a steering positioner are connected at the rotation centers of the first support arm and the second support arm, In the second limiting unit, one end of a first support arm is fixedly connected to the side wall of the connecting pipe, one end of a second support arm is fixedly connected to the side wall of the water outlet joint, the other ends of the first support arm and the second support arm are rotationally connected together, and an encoder and a steering positioner are also connected at the rotation centers of the first support arm and the second support arm.
  3. 3. The electric control fire monitor according to claim 2, wherein in each limiting unit, a connecting ring is arranged on the side wall of one end of the first support arm, which faces the second support arm, in a protruding manner, a second mounting hole is formed in the position, corresponding to the connecting ring, of the second support arm, the second support arm is sleeved on the outer side of the connecting ring through the second mounting hole, the encoder is arranged in the connecting ring, a mounting plate is fixedly connected to the side wall of one side of the second support arm, and the steering positioner is fixedly connected to the mounting plate.
  4. 4. The electrically controlled fire monitor according to claim 1, wherein in each swing unit, first annular grooves are circumferentially formed in the opposite circumferential side walls of the two protruding sections, a plurality of first balls are arranged between the two first annular grooves, and O-shaped sealing rings are arranged at the sleeving positions of the two protruding sections.
  5. 5. The electric control fire monitor according to claim 1, wherein the water outlet end of the water inlet pipe seat and the water inlet end of the water outlet joint are both circumferentially arranged outwards to form a flanging structure, annular connecting grooves are formed in two ends of the connecting pipe, a first turbine is fixedly connected to the outer side of the water inlet end of the first miter flange, the first turbine is positioned on the inner side of the flanging of the water inlet pipe seat, a second worm wheel is fixedly connected to the outer side of the water outlet end of the second miter flange, the second turbine is positioned in the connecting groove on the lower side of the connecting pipe, a third worm wheel is fixedly connected to the outer side of the water inlet end of the third miter flange, a fourth worm wheel is fixedly connected to the outer side of the water outlet end of the fourth miter flange, and the fourth worm wheel is positioned in the flanging of the water inlet end of the water outlet joint; A first installation cover is arranged at the outer side of the water outlet end of the water inlet pipe seat, a first worm meshed with the first worm wheel is arranged in the first installation cover, and one end of the first worm is connected with a first motor; the connecting device comprises a connecting pipe, a first worm wheel, a second worm, a third worm, a fourth worm, a first motor, a second motor, a third worm, a first installation cover, a second installation cover, a third installation cover and a fourth installation cover, wherein the first worm is meshed with the first worm wheel; And a telescopic universal joint is respectively and rotatably connected between the other end of the first worm and one end of the second worm and between the other end of the third worm and one end of the fourth worm.
  6. 6. The electrically controlled fire monitor of claim 5, wherein the first bevel gear is fixedly connected to one end of each worm connected with the corresponding telescopic universal joint, the rotating shafts are connected to two ends of each telescopic universal joint, the second bevel gear is fixedly connected to each rotating shaft, and the first bevel gear is meshed with the corresponding second bevel gear.
  7. 7. The electric control fire monitor according to claim 5, wherein the first mounting cover and the third mounting cover are respectively and fixedly connected with a fixing plate with a strip-shaped groove at the front side, a through hole is formed at the bottom of the strip-shaped groove, the first motor and the second motor are respectively and fixedly connected with the rear side of the corresponding fixing plate, the output shafts of the first motor and the second motor penetrate through the corresponding fixing plate and are fixedly connected with a first gear positioned at the front side of the corresponding fixing plate, the first worm and the third worm respectively penetrate out of one end of the corresponding through hole and are fixedly connected with a second gear, the first gear is meshed with the corresponding second gear, the first gear and the second gear are respectively positioned in the corresponding strip-shaped groove, shielding plates are fixedly connected at the front side of the fixing plate, and the corresponding first gear and the second gear are shielded in the corresponding strip-shaped groove through the corresponding shielding plates.
  8. 8. The electrically controlled fire monitor of claim 7, wherein the output shaft ends of the first motor and the second motor are respectively connected with a rotating hand wheel positioned outside the corresponding shielding plate through a coupling.
  9. 9. The electrically controlled fire monitor of claim 5, wherein annular pressing plates are respectively arranged between the inner side wall of the water outlet end of the water inlet pipe seat and the outer side wall of the first oblique joint flange, between the connecting groove at the lower side of the connecting pipe and the outer side wall of the second oblique joint flange, between the connecting groove at the upper side and the outer side wall of the third oblique joint flange, and between the inner side wall of the water inlet end of the water outlet joint and the outer side wall of the fourth oblique joint flange, and are respectively fixedly connected with the water outlet end of the water inlet pipe seat, the connecting groove of the connecting pipe and the water inlet end of the water outlet joint.
  10. 10. The electrically controlled fire monitor as set forth in claim 2, wherein the first limiting unit has a swinging plane perpendicular to the swinging plane of the second limiting unit.

Description

Electric control fire monitor Technical Field The invention belongs to the field of fire-fighting equipment, and particularly relates to an electric control fire monitor. Background In fire-fighting operation, an electric control fire monitor (i.e., an electric control fire water monitor) is often adopted to spray water for fire-fighting. At present, in the commonly used electronic fire monitor products, the swinging of the water outlet is realized through the swinging unit, a plurality of elbows are arranged in the swinging unit, and particularly, 90-degree elbows are often adopted, so that the water outlet direction of the electronic fire monitor can cover a complete hemispherical surface, the angle and the position of the water outlet of the swinging mechanism are changed through the rotation of the 90-degree elbows, and the water outlet angle and the position are changed. As shown in FIG. 1, the conventional electric control fire monitor is a simplified diagram, the lower part is provided with a rotary joint capable of rotating by 0-360 degrees, the upper part is provided with a swinging joint capable of swinging by 0-90 degrees through a plurality of 90-degree elbows, and the two actions are overlapped to realize that the water outlet direction can cover a complete hemispherical surface. However, in this structure, a large pressure loss is generated when the water flows through the swing mechanism, and thus the water pressure at the water outlet is greatly reduced, and the fire extinguishing efficiency is lowered. Disclosure of Invention In view of the above, the present invention aims to overcome the above-mentioned drawbacks of the prior art, and provides an electrically controlled fire monitor. In order to achieve the above purpose, the technical scheme of the invention is realized as follows: The utility model provides an automatically controlled fire monitor, including first swing unit and the second swing unit that is located first swing unit water outlet, be connected with the connecting pipe between first swing unit and the second swing unit, and first swing unit, relative rotation between second swing unit and the connecting pipe respectively, first swing unit includes two reverse rotation first miter flanges and second miter flanges that link together, the second swing unit includes two reverse rotation third miter flanges and the fourth miter flanges that link together, every miter flange all includes tubular linkage segment, circular shape slope section and annular protruding section, slope section slope rigid coupling is in linkage segment one end, protruding section circumference rigid coupling is in the slope section other end, and set up the water gap that aligns with the linkage segment inner wall on the slope section, the second miter flange is located the water outlet of first miter flange, and in every swing unit, two corresponding slope sections parallel arrangement, two corresponding boss sections are cup jointed and are rotated and are linked together, second swing unit water outlet connection has the water inlet connection to connect the water inlet tube seat. Further, still include first spacing unit and second spacing unit, first spacing unit and second spacing unit all include first support arm, the second support arm, in first spacing unit, first support arm one end rigid coupling is in on the inlet tube seat lateral wall, second support arm one end rigid coupling is in on the connecting pipe lateral wall, first support arm and second support arm other end rotate to link together, and be connected with encoder and steering position ware in the rotation center department of first support arm and second support arm, in the second spacing unit, first support arm one end rigid coupling is in on the connecting pipe lateral wall, second support arm one end rigid coupling is in on the outlet joint lateral wall, first support arm and second support arm other end rotate to link together, and also be connected with encoder and steering position ware in the rotation center department of first support arm and second support arm. Further, in each limiting unit, a connecting ring is arranged on the side wall of one end of the first support arm, which faces the second support arm, a second mounting hole is formed in the position, corresponding to the connecting ring, of the second support arm, the second support arm is sleeved on the outer side of the connecting ring through the second mounting hole, the encoder is arranged in the connecting ring, a mounting plate is fixedly connected to the side wall of one side of the second support arm, and the steering positioner is fixedly connected to the mounting plate. Further, in each swing unit, first annular grooves which are arranged oppositely are formed in the circumferential side walls of the two opposite protruding sections in the circumferential direction, a plurality of first balls are arranged between the first annular grooves which are