CN210494986U - Fire water monitor stop device - Google Patents

Abstract

The utility model provides a fire water monitor limiting device, which solves the technical problem that the safety performance of the existing fire water monitor limiting structure is lower, and is provided with a limiting seat, a water monitor mechanism is fixed below the limiting seat, a driving motor is also fixed below the limiting seat, the output end of the driving motor passes through the limiting seat to the upper side of the limiting seat, a driving gear is arranged on the output shaft of the driving motor, a reduction gear is arranged above the limiting seat, the driving gear is meshed with the reduction gear, the reduction gear is connected to a water monitor fixing seat through a fixing shaft, the bottom end of the fixing shaft is connected to the limiting seat through a bearing, the limiting seat rotates relative to the reduction gear, a limiting nail is arranged on the reduction gear, a limiting rod is arranged on the limiting seat, the limiting rod is rotatably connected with the limiting seat, limiting bulges are respectively arranged on two sides of one end of the limiting rod, limiting switches are respectively arranged on two sides of, the utility model discloses can extensively be used for fire control technical field.

Description

Fire water monitor stop device

Technical Field

The utility model belongs to the technical field of the fire control technique and specifically relates to a fire water monitor stop device is related to.

Background

The automatic fire water monitor is a fire extinguishing device which uses water as a medium and remotely extinguishes fire, is suitable for places such as petrochemical enterprises, tank storage areas, hangars, warehouses, ports and docks, and is an ideal vehicle-mounted automatic fire water monitor for fire trucks; the automatic fire water monitor is a fire fighting device with a mechanical driving mechanism and allowing a fire fighter to remotely control through an electronic instrument, can adjust the direction of fire fighting water injection according to fire fighting needs, and can also change the pattern of fire fighting water injection; as an automatic fire fighting device, the fire water monitor has wide application places.

The position of the fire monitor is adjusted by means of the motor in the using process of the fire monitor, the motor is required to be connected into a power supply system when the motor is powered, if the motor drives the cable to rotate without limit, the motor, the cable and the like are easily damaged, other accidents such as the fire monitor is out of control and the like are caused, and therefore the fire monitor is required to be limited to a certain extent in the rotating process of the fire monitor; traditional limit structure adopts the mode that limit switch was stirred to the gag lever post to carry on spacingly to it, however the gag lever post is when stirring limit switch, often can appear excessively leading to the condition that limit switch damaged hard.

Disclosure of Invention

The utility model discloses be exactly to the lower technical problem of current fire water monitor limit structure security performance, provide a better, the longer fire water monitor stop device of life of security performance.

Therefore, the utility model discloses be equipped with spacing seat, the fixed water cannon mechanism in spacing seat below, spacing seat below still is fixed with driving motor, driving motor's output passes spacing seat to the top of spacing seat, be equipped with drive gear on the driving motor output shaft, spacing seat top is equipped with reduction gear, drive gear and reduction gear meshing, reduction gear is connected to the water cannon fixing base through the fixed axle, the bottom of fixed axle is connected to spacing seat through the bearing, spacing relative reduction gear rotates, the last spacing nail that sets up of reduction gear, be equipped with the gag lever post on the spacing seat, the gag lever post rotates with spacing seat to be connected, the both sides of gag lever post one end are equipped with spacing arch respectively, the both sides of the gag lever post other end are equipped with limit switch respectively, the length of shell fragment is higher than the length of.

Preferably, the limit pin passes through the reduction gear and protrudes out of the bottom end of the reduction gear.

Preferably, the limiting protrusion is fixed on the limiting seat by a screw.

Preferably, the reduction gear is fixedly connected with the fixed shaft by means of a key.

Preferably, the limiting bulges are arranged as a first limiting bulge and a second limiting bulge, and when the limiting rod is contacted with the first limiting bulge, the limiting rod is positioned between the limiting nail and the first limiting bulge to form butt joint; when the limiting rod is contacted with the second limiting protrusion, the limiting rod is positioned between the limiting nail and the second limiting protrusion to form butt joint.

Preferably, the limit switch is a microswitch.

The utility model has simple structure, and forms a mechanical limit mechanism by arranging the limit rod, the limit nail and the two limit bulges, so as to mechanically limit the rotation of the water cannon mechanism and avoid the damage of the motor caused by the unlimited rotation of the water cannon mechanism; form electric stop gear through setting up gag lever post and two limit switch, look for water cannon mechanism pivoted starting point and terminal point, set up the length that the length of shell fragment is higher than the limit switch body on the limit switch, avoid gag lever post and limit switch body direct contact, make the limit switch body atress and damage limit switch, the effectual life who improves the device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a limit switch.

The symbols in the drawings illustrate that:

1. a limiting seat; 2. a reduction gear; 3. a drive motor; 4. a drive gear; 5. a fixed shaft; 6. a water cannon fixing seat; 7. a limit pin; 8. a limiting rod; 9. a nut; 10. a first limit protrusion; 11. a second limit bulge; 12. a first limit switch; 13. a second limit switch; 14. a spring plate; 15. a limit switch body.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the drawings.

As shown in fig. 1, the utility model discloses be equipped with spacing seat 1, the fixed water cannon mechanism in spacing seat 1 below (not shown in the figure), spacing seat 1 below is fixed with driving motor 3, driving motor 3's output passes spacing seat 1 to spacing seat 1's top, be equipped with drive gear 4 on the 3 output shafts of driving motor, spacing seat 1 top is equipped with reduction gear 2, drive gear 4 meshes with reduction gear 2, reduction gear 2 is connected to water cannon fixing base 6 through fixed axle 5, reduction gear 2 is connected to spacing seat 1 through the mode fixed connection of fixed axle 5 through the key, the bottom of fixed axle 5 is connected to spacing seat 1 through the bearing, driving motor 3 drive gear 4 rotates, drive gear 4 is under reduction gear 2's cooperation, drive driving motor 3 and spacing seat 1 rotate at the horizontal direction, realize the rotation of water cannon mechanism horizontal direction.

The limiting device comprises a mechanical limiting mechanism, the mechanical limiting mechanism comprises a limiting nail 7 arranged on the reduction gear 2, the limiting nail 7 penetrates through the reduction gear 2 and protrudes out of the bottom end of the reduction gear 2, a limiting rod 8 is arranged on the limiting seat 1, the center of the limiting rod 8 is rotatably connected with the limiting seat 1 through a nut 9, limiting bulges are respectively arranged on two sides of one end of the limiting rod 8 and are arranged as a first limiting bulge 10 and a second limiting bulge 11, and the limiting bulges are fixed on the limiting seat 1 through screws; when gag lever post 8 and the contact of first spacing arch 10, gag lever post 8 is located and forms the butt between spacing nail 7 and the first spacing arch 10, and when gag lever post 8 and the contact of the spacing arch 11 of second, gag lever post 8 is located and forms the butt between spacing nail 7 and the spacing arch 11 of second to it is spacing to carry out machinery to the water cannon mechanism, makes spacing seat 1 and water cannon mechanism be greater than 360 rotations.

The limiting device further comprises an electrical limiting mechanism, the electrical limiting mechanism comprises limiting switches arranged on two sides of the other end of the limiting rod 8 and respectively arranged as a first limiting switch 12 and a second limiting switch 13, the limiting switches are microswitches, as shown in fig. 2, the length of an upper elastic sheet 14 of each limiting switch is larger than that of a limiting switch body 15, when the limiting switches rotate to the end part of the other end of the limiting rod 8, the end parts of the limiting rods 8 press the upper elastic sheets 14 of the limiting switches to achieve a switching function, and the limiting rods 8 are prevented from being in direct contact with the limiting switches, so that the limiting switch bodies 15 are damaged due to stress; set up first limit switch 12 and reset for water cannon mechanism pivoted starting point, when gag lever post 8 touches bullet piece among the first limit switch 12, set up second limit switch 13 and be water cannon mechanism pivoted terminal point, water cannon mechanism rotates a cycle when gag lever post 8 touches second limit switch 13 and finishes.

When water cannon mechanism began the during operation, driving motor drove water cannon mechanism and rotates at the horizontal direction, and when gag lever post 8 compressed tightly the shell fragment in first limit switch 12, water cannon mechanism reset, and gag lever post 8 was located between spacing nail 7 and the spacing arch 11 of second this moment, and water cannon mechanism began a cycle's rotation, and when gag lever post 8 rotated between spacing nail 7 and the first spacing arch 10, the 8 other ends of gag lever post compressed tightly second limit switch 13, represented water cannon mechanism rotation a cycle and ended.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims (6)

1. A fire water monitor limiting device is provided with a limiting seat, a water monitor mechanism is fixed below the limiting seat, a driving motor is further fixed below the limiting seat, the output end of the driving motor penetrates through the limiting seat to the position above the limiting seat, a driving gear is arranged on the output shaft of the driving motor, a reduction gear is arranged above the limiting seat and is meshed with the reduction gear, the reduction gear is connected to a water monitor fixing seat through a fixing shaft, the bottom end of the fixing shaft is connected to the limiting seat through a bearing, the limiting seat rotates relative to the reduction gear, the fire water monitor limiting device is characterized in that a limiting nail is arranged on the reduction gear, a limiting rod is arranged on the limiting seat and is rotatably connected with the limiting seat, limiting bulges are respectively arranged on two sides of one end of the limiting rod, and limiting switches are respectively arranged on two sides of the other end of the limiting rod, the length of the elastic sheet on the limit switch is higher than that of the limit switch body.

2. The fire monitor stop device according to claim 1, wherein the stop pin protrudes from the bottom end of the reduction gear through the reduction gear.

3. The fire monitor limiting device according to claim 1, wherein the limiting protrusion is fixed on the limiting seat by a screw.

4. The fire monitor limiting device according to claim 1, wherein the reduction gear is fixedly connected with the fixed shaft by a key.

5. The fire monitor limiting device according to claim 1, wherein the limiting protrusions are a first limiting protrusion and a second limiting protrusion, and when the limiting rod contacts with the first limiting protrusion, the limiting rod is positioned between the limiting nail and the first limiting protrusion to form abutting joint; when the limiting rod is in contact with the second limiting protrusion, the limiting rod is located between the limiting nail and the second limiting protrusion to form butt joint.

6. The fire monitor limiting device according to claim 1, wherein the limit switch is a micro switch.

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