CN212201831U

CN212201831U - Adjustable steel column convenient to lift

Info

Publication number: CN212201831U
Application number: CN202020412738.XU
Authority: CN
Inventors: 王重光; 郑青青; 丁敏; 李培花
Original assignee: Qingdao Hansen Engineering Co ltd
Current assignee: Qingdao Hansen Engineering Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-12-22
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses an adjustable steel column convenient to go up and down, including mount and work box, the work box is located the right side of mount, the internally mounted of mount has the rotation axis, the internally mounted of work box has drive arrangement, the through-hole that both sides were seted up around the rotation axis includes the mount, the inside of through-hole is pegged graft and is had the optical axis, both ends extend to the mount outside around the optical axis, the optical axis retaining ring has been cup jointed at both ends around the surface of optical axis, the internal surface of optical axis retaining ring closely laminates with the surface of mount, the surface rotation of optical axis installs rotatory steel column. Compared with the prior art, this device can make the steel column main part shift up when not taking place the conflagration and pack up, does not influence the permeability and the business turn over convenience of entrance to a cave, shifts down vertically fixed when taking place the conflagration, satisfies the fire prevention operation requirement of perpendicular promotion formula fire prevention shutter.

Description

Adjustable steel column convenient to lift

Technical Field

The utility model relates to a fire prevention roll up curtain technical field specifically is an adjustable steel column convenient to go up and down.

Background

The fire-proof rolling door can meet the requirements of fire-proof stability and integrity in a certain period of time together with frame, and is formed from curtain plate, reel, motor, guide rail, support frame, protective cover and control mechanism.

At present, the vertical lifting type fireproof roller shutter is installed in a large-span opening, a steel column must be supported according to fireproof requirements, when a fire disaster does not happen, the steel column can affect the permeability of the opening and affect the convenience of entering and exiting, and in order to solve the problems, an adjustable steel column convenient to lift is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable steel column convenient to go up and down to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable steel column convenient to go up and down, includes mount and work box, the work box is located the right side of mount, the internally mounted of mount has the rotation axis, the internally mounted of work box has drive arrangement, the through-hole that both sides were seted up around the rotation axis includes the mount, the inside of through-hole is pegged graft and is had the optical axis, both ends extend to the mount outside around the optical axis, the optical axis retaining ring has been cup jointed at both ends around the surface of optical axis, the internal surface of optical axis retaining ring closely laminates with the surface of mount, the surface rotation of optical axis installs rotatory steel column.

Preferably, the rotating steel column comprises a steel column main body on the lower side inside the fixing frame, the cross section of the steel column main body is of a square structure, bearing holes are formed in the upper ends of the front side and the rear side of the steel column main body, an outer ring of a bearing is fixedly mounted inside the bearing holes, and an inner ring of the bearing is fixedly mounted on the outer surface of the optical axis.

Preferably, drive arrangement includes the braking motor group of inside right side fixed mounting of work box, the output shaft front end of braking motor group runs through work box tank wall fixed mounting and has drive gear, the front surface left side of work box rotates through the pivot and installs driven gear, driven gear has cup jointed the chain with drive gear's the outside.

Preferably, a winding drum is fixedly mounted on the front surface of the driven gear, one end of a steel cable is fixedly mounted inside the winding drum, and the other end of the steel cable is fixedly mounted on the upper side of the right surface of the steel column main body.

Preferably, the left surface of the inside of the fixing frame is embedded with an electromagnet, and the right side adsorption surface of the electromagnet is tightly attached to the steel column main body.

Compared with the prior art, the beneficial effects of the utility model are that: this adjustable steel column convenient to go up and down can make the steel column main part shift up when not taking place the conflagration and pack up, does not influence the permeability and the business turn over convenience of entrance to a cave, shifts down vertically fixed when taking place the conflagration, satisfies the fire prevention operation requirement of perpendicular promotion formula fire prevention shutter.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional view of the structure of the rotary steel column of the present invention.

Fig. 3 is a schematic sectional view of the driving device of the present invention.

In the figure: the device comprises a fixed frame 1, a rotating shaft 2, a through hole 21, an optical axis 22, an optical axis 23 retainer ring, a rotating steel column 3, a steel column main body 31, a bearing hole 32, a bearing 33, a working box 4, a driving device 5, a driven gear 51, a chain 52, a driving gear 53, a brake motor unit 54, a winding drum 6, a steel cable 7 and an electromagnet 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: the utility model provides an adjustable steel column convenient to go up and down, including mount 1 and work box 4, work box 4 is located mount 1's right side, the internally mounted of mount 1 has rotation axis 2, the internally mounted of work box 4 has drive arrangement 5, rotation axis 2 includes the through-hole 21 that both sides were seted up around mount 1, peg graft in through-hole 21's inside has optical axis 22, both ends extend to the 1 outside of mount around optical axis 22, both ends have cup jointed optical axis retaining ring 23 around optical axis 22's the surface, optical axis retaining ring 23's internal surface closely laminates with mount 1's surface, optical axis 22's surface rotation installs rotatory steel column 3.

Mount 1 and work box 4 can fixed mounting at the door opening upside through the bolt, and through-hole 21 and optical axis 22 cooperation in the rotation axis 2 can play the supporting role, and optical axis retaining ring 23 can be fixed optical axis 22's front and back both ends, avoids optical axis 22 drunkenness to deviate from around.

The rotary steel column 3 comprises a steel column main body 31 on the lower side inside the fixing frame 1, the cross section of the steel column main body 31 is of a square structure, bearing holes 32 are formed in the upper ends of the front side and the rear side of the steel column main body 31, an outer ring of a bearing 33 is fixedly mounted inside the bearing holes 32, and an inner ring of the bearing 33 is fixedly mounted on the outer surface of the optical axis 22.

The bearing hole 32 and the bearing 33 in the rotary steel column 3 are engaged with the optical axis 22, and the steel column body 31 can be freely rotated, thereby reducing resistance.

The driving device 5 comprises a braking motor unit 54 fixedly mounted on the right side inside the work box 4, a driving gear 53 is fixedly mounted at the front end of an output shaft of the braking motor unit 54 and penetrates through the box wall of the work box 4, a driven gear 51 is rotatably mounted on the left side of the front surface of the work box 4 through a rotating shaft, and a chain 52 is sleeved on the outer sides of the driven gear 51 and the driving gear 53.

The brake motor 54 in the driving device 5 drives the driving gear 53 to rotate, and rotates the driven gear 51 through the chain 52.

A winding drum 6 is fixedly mounted on the front surface of the driven gear 51, one end of a steel cable 7 is fixedly mounted inside the winding drum 6, and the other end of the steel cable 7 is fixedly mounted on the upper side of the right surface of the steel column body 31.

The driven gear 51 rotates the drum 6 to retract and release the wire rope 7, thereby controlling the raising and lowering operation of the steel column body 31.

The left surface of the inside of the fixing frame 1 is embedded with the electromagnet 8, and the right side adsorption surface of the electromagnet 8 is tightly attached to the steel column main body 31.

The electromagnet 8 can generate magnetic force to adsorb the steel column main body 31 which rotates downwards for auxiliary positioning.

The working principle is as follows:

the braking motor unit 54 and the electromagnet 8 are electrically connected with the controller through leads. When a fire disaster does not happen, the rotary steel column 3 is lifted to the upper side and positioned through the matching of the braking motor unit 54, the winding drum 6 and the steel cable 7, and the permeability of the opening is not influenced; when a fire breaks out, a brake motor group 54 in the driving device 5 is controlled by the controller to drive the driving gear 53 to rotate, the driven gear 51 and the winding drum 6 are rotated through the chain 52, the steel cable 7 is lengthened, and the steel column main body 31 in the rotary steel column 3 rotates downwards to the bottom to be contacted with the ground by taking the optical axis 22 as the center under the action of gravity; meanwhile, the electromagnet 8 works to adsorb the rotated steel column main body 31 for auxiliary positioning, so that the fireproof use requirement of the vertical lifting type fireproof roller shutter is met.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an adjustable steel column convenient to go up and down which characterized in that: the device comprises a fixing frame (1) and a working box (4), wherein the working box (4) is positioned on the right side of the fixing frame (1), a rotating shaft (2) is installed in the fixing frame (1), and a driving device (5) is installed in the working box (4);

through-hole (21) that both sides were seted up around rotation axis (2) including mount (1), the inside of through-hole (21) is pegged graft and is had optical axis (22), both ends extend to mount (1) outside around optical axis (22), both ends have cup jointed optical axis retaining ring (23) around the surface of optical axis (22), the internal surface of optical axis retaining ring (23) closely laminates with the surface of mount (1), the surface rotation of optical axis (22) installs rotatory steel column (3).

2. The adjustable steel column convenient to lift of claim 1, characterized in that: rotatory steel column (3) are including steel column main part (31) of the inside downside of mount (1), the cross section of steel column main part (31) is square structure, dead eye (32) have been seted up to steel column main part (31) front and back both sides upper end, the inside fixed mounting of dead eye (32) has the outer lane of bearing (33), the inner circle fixed mounting of bearing (33) is at the surface of optical axis (22).

3. The adjustable steel column convenient to lift of claim 1, characterized in that: drive arrangement (5) are including brake motor group (54) of the inside right side fixed mounting of work box (4), the output shaft front end of brake motor group (54) runs through work box (4) tank wall fixed mounting and has drive gear (53), the front surface left side of work box (4) is rotated through the pivot and is installed driven gear (51), chain (52) have been cup jointed in the outside of driven gear (51) and drive gear (53).

4. The adjustable steel column convenient to lift of claim 3, characterized in that: the front surface fixed mounting of driven gear (51) has reel (6), the inside fixed mounting of reel (6) has the one end of cable wire (7), the other end fixed mounting of cable wire (7) is in the right side surface upside of steel column main part (31).

5. The adjustable steel column convenient to lift of claim 1, characterized in that: the left surface of the interior of the fixing frame (1) is embedded with an electromagnet (8), and the right side adsorption surface of the electromagnet (8) is tightly attached to the steel column main body (31).