CN217162960U

CN217162960U - Fixed fire monitor with adjustable angle direction

Info

Publication number: CN217162960U
Application number: CN202220225865.8U
Authority: CN
Inventors: 涂建新; 邓晓梁
Original assignee: Jiangxironghexiaofang
Current assignee: Jiangxironghexiaofang
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-12
Anticipated expiration: 2032-01-24

Abstract

A fixed fire monitor with an adjustable angle direction comprises a water inlet pipe, a horizontal swing mechanism, a bent pipe, a pitching swing mechanism, a monitor pipe and a monitor head which are sequentially connected, wherein the horizontal swing mechanism and the pitching swing mechanism have the same structure, the horizontal swing mechanism comprises a worm wheel assembly and a worm assembly which are meshed with each other, one end face of the worm wheel assembly is connected with the water inlet pipe, and the other end face of the worm wheel assembly is connected with the bent pipe; the worm wheel assembly comprises a worm wheel shell, a worm wheel body arranged inside the worm wheel shell, two support rings symmetrically arranged inside the worm wheel body, an adjusting gasket arranged between the two support rings, and a crossed cylindrical roller structure or a single-row steel ball structure embedded between the outer edges of the two support rings. The utility model discloses in, adopt alternately cylindrical roller structure or list formula steel ball structure and support ring cooperation to realize the support to the worm wheel body, and the rigidity of whole structure leans on adjustment gasket thickness size to adjust.

Description

Fixed fire monitor with adjustable angle direction

Technical Field

The utility model relates to a fire-fighting equipment technical field, in particular to fixed fire gun of angle direction adjustable.

Background

At present, the worm wheel in the slewing mechanism of the domestic fixed fire monitor mostly adopts single-row or double-row steel balls to realize the supporting function, and the installation rigidity of the worm wheel is completely ensured by the processing size precision of the raceway. In the case of dimensional machining deviation of the raceway, the steel ball is slightly tight or loose when being installed. When the worm gear is tightened, the steel ball is difficult to mount, and the worm gear is easy to rotate and even be clamped; when the fire monitor is loose, the fire monitor vibrates in the working process, so that the water flow is unstable, and the instability of the range and the drop point is influenced. In addition, the single-raceway steel ball structure has rigidity deviation, and can shake at the moment of opening the gate.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a fixed fire gun of angularly adjustable direction improves the rigidity through the bearing structure who changes the worm wheel body.

A fixed fire monitor with an adjustable angle direction comprises a water inlet pipe, a horizontal swing mechanism, a bent pipe, a pitching swing mechanism, a monitor pipe and a monitor head which are sequentially connected, wherein the horizontal swing mechanism and the pitching swing mechanism are identical in structure, the horizontal swing mechanism comprises a worm wheel assembly and a worm assembly which are meshed with each other, one end face of the worm wheel assembly is connected with the water inlet pipe, and the other end face of the worm wheel assembly is connected with the bent pipe;

the worm wheel assembly comprises a worm wheel shell, a worm wheel body and two support rings, wherein the worm wheel body is arranged in the worm wheel shell, the two support rings are symmetrically arranged in the worm wheel body, the two support rings are arranged between the two support rings, and the two support rings are embedded in a crossed cylindrical roller structure or a single-row steel ball structure between the outer edges of the two support rings.

Compared with the prior art, the utility model discloses in, adopt alternately cylindrical roller structure or list formula steel ball structure and support ring cooperation to realize the support to the worm wheel body, and the rigidity of whole structure is adjusted by adjusting gasket thickness size, does not increase the processing degree of difficulty and the assembly degree of difficulty.

Further, the crossed cylindrical roller structure is a single-row structure.

Furthermore, the outer edges of the support rings are inwards concave to form inclined planes, and the inclined planes of the two support rings are oppositely arranged;

the inner wall of the interior of the worm gear shell is provided with a V-shaped groove, the V-shaped groove and the two inclined planes are combined to form an accommodating space, and the crossed cylindrical roller structure is embedded in the accommodating space.

Further, a boss is convexly formed on one end face of the support ring and is close to the inclined face;

the adjusting shim is located between the two bosses, and the diameter of the adjusting shim is the same as that of each boss.

Further, the support ring and the adjusting shim are fixed on the end cover through connecting screws.

Furthermore, the outer edges of the support rings are recessed inwards to form arc surfaces, and the arc surfaces of the two support rings are arranged oppositely;

the inner wall of the interior of the worm gear shell is provided with an arc groove, the arc groove and the two arc surfaces are combined to form an accommodating space, and the single-row steel ball structure is embedded in the accommodating space to form four-point support for the single-row steel ball structure.

Further, the worm assembly comprises a worm shell and a worm body which is arranged inside the worm shell and is in meshed connection with the worm wheel body, and two ends of the worm body are respectively sleeved with an angular contact ball bearing.

Drawings

FIG. 1 is a schematic structural view of a fixed fire monitor with adjustable angular directions of the present invention;

FIG. 2 is a schematic view of an assembled structure of the worm gear body, the support ring, the spacer and the cross cylindrical roller structure of FIG. 1;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a cross-sectional view of FIG. 2;

fig. 5 is an assembled cross-sectional view of a worm wheel body, a support ring, a spacer and a steel ball structure according to another embodiment of the present invention.

Description of the main element symbols:

the following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, an angle direction adjustable fixed fire monitor according to an embodiment of the present invention includes a water inlet pipe 10, a horizontal swing mechanism 11, an elbow pipe 12, a pitching swing mechanism 13, a monitor pipe 14, and a monitor head 15, which are connected in sequence, where the horizontal swing mechanism 11 and the pitching swing mechanism 13 have the same structure, the horizontal swing mechanism 11 includes a worm wheel assembly 111 and a worm assembly 112, which are engaged with each other, one end surface of the worm wheel assembly 111 is connected to the water inlet pipe 10, and the other end surface is connected to the elbow pipe 12;

the worm wheel assembly 111 comprises a worm wheel housing 1111, a worm wheel body 1112 arranged inside the worm wheel housing 1111, two support rings 1113 symmetrically arranged inside the worm wheel body 1112, two adjusting gaskets 1114 arranged between the support rings 1113, and a cross cylindrical roller structure 1115 embedded between the outer edges of the two support rings 1113.

It should be noted that, in the utility model, through horizontal rotation mechanism 11 realizes the regulation of horizontal angle, through pitching rotation mechanism 13 realizes the regulation of vertical angle, through the support to worm wheel body 111 is realized to cross cylindrical roller structure 1115, and adjusts the rigidity of whole structure through adjusting shim 1114, and adjusting shim 1114's quantity can increase or reduce according to actual conditions.

In a preferred embodiment of the present invention, the crossed cylindrical roller structure 1115 is a single row structure. It is understood that in other embodiments, single row, double row, and other hybrid configurations of cross-cylinder rollers may be selected based on the diameter size of the swing mechanism in the fire monitor.

Referring to fig. 2 to 4, the outer edge of the support ring 1113 is recessed inward to form an inclined surface 11131, and the inclined surfaces 11131 of the two support rings 1113 are disposed opposite to each other;

be equipped with V type groove on the inside inner wall of worm wheel housing 1111, V type groove forms accommodation space with two inclined plane 11131 combinations, cross cylinder roller structure 1115 inlays and locates in this accommodation space to the realization is right worm wheel body 1111's support.

In a preferred embodiment of the present invention, a convex protrusion 11132 is formed on one end surface of the support ring 1113, and the protrusion 11132 is close to the inclined surface 11131;

the spacer 1114 is positioned between the two bosses 11132 and has a diameter that is the same as the diameter of the bosses 11132 to facilitate positioning of the spacer 1114.

In another preferred embodiment of the present invention, the support ring 1113 and the adjusting shim 1114 are fixed to the end cap by a connecting screw 1116.

In a preferred embodiment of the present invention, the worm assembly 112 includes a worm housing, a worm body disposed inside the worm housing and engaged with the worm wheel body 1112, and two ends of the worm body are respectively sleeved with angular contact ball bearings.

It should be noted that, two ends of the worm body (PSKY250 rotary structure) in the prior art are supported by two deep groove ball bearings (6205), and a bearing sleeve is also needed, so that the deep groove ball bearings are easily damaged due to large axial force when the worm works. Specifically, in this embodiment, taking the diameter size of the revolution structure as an example of 200 or more, a pair of angular contact ball bearings (7206B) is used, the original space is effectively utilized, the axial force is increased, worm bearing sleeves at both ends are omitted, and the positioning rigidity of the angular contact ball bearings is ensured by adjusting the bearing paper covering pads at both ends.

Referring to fig. 5, in another preferred embodiment of the present invention, the outer edge of the support ring 1113 is recessed inwards to form an arc surface 11133, and the arc surfaces 11133 of the two support rings are oppositely arranged;

be equipped with the arc groove on the inside inner wall of worm gear casing 1111, the arc groove forms accommodation space with two arc surface 11133 combinations, and single-row steel ball structure 1117 inlays and locates in this accommodation space, in order to right single-row steel ball structure 1117 forms four-point support.

It should be noted that in this embodiment, the radial and axial clearances of the prior art structure are eliminated by the adjustment shims 1114, so that the entire structure is reasonably rigid.

To sum up, the utility model discloses in, adopt the cooperation of cross cylindrical roller structure 1115 or list formula steel ball structure 1117 and support ring 1113 to realize the support to worm wheel body 1112, and the rigidity of whole structure leans on adjustment gasket 1114 thickness size to adjust, reaches the state of ideal.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a fixed fire gun of angular direction adjustable, includes inlet tube, horizontal rotation mechanism, return bend, every single move rotation mechanism, barrel and the big gun head that connects according to the preface, its characterized in that: the horizontal slewing mechanism and the pitching slewing mechanism have the same structure, the horizontal slewing mechanism comprises a worm wheel assembly and a worm assembly which are meshed with each other, one end face of the worm wheel assembly is connected with the water inlet pipe, and the other end face of the worm wheel assembly is connected with the bent pipe;

2. The angularly adjustable fixed fire monitor as recited in claim 1, wherein said crossed cylindrical roller arrangement is a single-line arrangement.

3. The angularly adjustable fixed fire monitor as recited in claim 1, wherein said support rings are recessed inwardly on their outer edges to form inclined surfaces, said inclined surfaces of said two support rings being disposed in opposition to each other;

4. The angularly adjustable fixed fire monitor as recited in claim 3, wherein said support ring has a raised boss formed on one end surface thereof, said raised boss being adjacent to said inclined surface;

5. The angularly adjustably fixed fire monitor of claim 4, wherein said support ring and spacer are secured to said end cap by means of attachment screws.

6. The fixed fire monitor with the adjustable angle direction as claimed in claim 1, wherein the outer edges of the support rings are concave inwards to form circular arc surfaces, and the circular arc surfaces of the two support rings are arranged oppositely;

7. The fixed fire monitor as claimed in any one of claims 1 to 6, wherein the worm assembly comprises a worm housing, a worm body disposed inside the worm housing and engaged with the worm wheel body, and two ends of the worm body are respectively sleeved with angular contact ball bearings.