JP3057721U - Revolving door - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a revolving door that can move and adjust the main transmission shaft when the center axis of the revolving door does not coincide with the center point of the main transmission shaft of the driving device, and that can remove the revolving door and the central shaft from the pedestal. provide. SOLUTION: A driving device for rotating a center shaft 52 of a rotating door unit 5 is installed on a localization stand 1 so that a transmission device and a machine base 2 can move. The small gear 34 and the main transmission shaft 32 of the large gear 33 meshing with the small gear 34 penetrate the machine base 2, further penetrate a bearing installed on the localization tool 11 on the localization stand 1, and Is attached to the central shaft 52 to rotate the central shaft 52. The machine base 2 can be fixed to the localization stand 1 by the fixed fastening on the localization stand 1. When the center axis 52 and the center point of the main transmission shaft 32 do not match, the fixing stand is loosened, the machine base 2 is moved, and the center point of the main transmission shaft 32 is matched with the center point of the center axis 52 to fix the center point. Just tighten it. Further, the pedestal 6 supporting the bottom end of the center shaft 52 is moved from the center shaft 52 to the center shaft 52.
And the revolving door 5 can be removed.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a revolving door.

[0002]

[Prior art]

 Conventional revolving doors have a driving device at the top end and a pedestal at the bottom end that supports the center axis of the revolving door, which is generally formed integrally with the center axis and placed directly on flat ground. Or buried under the ground.

[0003]

[Problems to be solved by the invention]

 However, conventional drive systems for revolving doors do not have the effect of adjusting the center position of the large transmission shaft or adjusting the tightness of the drive gear for convenient removal and removal, and the pedestal cannot be removed. Because it is not possible, it is difficult to clean the inside. In addition, if the components inside it, such as ball bearings, break, the entire pedestal must be replaced. Thus, the cost of repair is high and the service life of the turnstile is shortened.

[0004] Therefore, an object of the present invention is to adjust the movement of the main transmission shaft when the center axis of the turning door of the revolving door does not coincide with the center point of the main transmission shaft of the drive device to be installed. Another object of the present invention is to provide a revolving door in which a pedestal for supporting the bottom end of the pivoting central shaft is separated from the central shaft and separately installed, and each of the revolving doors and the central shaft can be removed from the pedestal.

[0005]

[Means for Solving the Problems]

 According to the means of the present invention for solving the above problems, first, when the center point of the main transmission shaft of the drive unit does not coincide with the center point of the center axis of the rotating door, the entire drive unit is not removed and the main drive unit is not removed. Movement adjustment can be performed only for the transmission shaft. For this purpose, the machine on which the transmission and the power source are installed is placed on the localization stand of the drive unit, and then the machine can be moved. A main drive shaft, which extends downward through it, is further mounted through the locator at the upper end of the center axis of the turnstile so that the center axis rotates and the turnstile turns. However, before assembling, if the center point of the main drive shaft does not match the center point of the center axis of the turnstile, the machine base can be moved to make the center point match.

[0006] Further, the base supporting the bottom end of the center shaft of the revolving door portion, for the purpose of maintenance and cleaning convenience, does not use the one integrated with the conventional center shaft, and the center shaft and each revolving door are not used. The pedestal can be detached from the pedestal, and the pedestal has two or more bolts for fixing the pedestal to the ground, and a ball bearing installed in the center hole of the pedestal to support the bottom end of the central shaft. , And a revolving door part positioning tool having a hole for supporting the bottom end of each revolving door. Thus, the pedestal can be removed from the pedestal for each revolving door and center axis during maintenance and repair.

As described above, the drive device for the center shaft of the revolving door portion of the present invention can move and adjust the position of the main drive shaft to be assembled with the center shaft, so that the center point of the center shaft and the center of the main drive shaft can be adjusted. Points and can be easily matched. In addition, since the pedestal of the central axis is installed separately from the central axis, each revolving door and the central axis can be removed from the pedestal during maintenance and repair of the pedestal.

[0008]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the revolving door of the present embodiment includes at least a plurality of revolving door portions 5, a horizontal door frame bar 51 provided above the revolving door portion 5, and a vertical A combination of a center shaft 52 fixed to one side, a driving device provided at the upper end of the center shaft 52, and a pedestal provided at the bottom end of the center shaft 52 and fixed to the ground. Be composed.

The feature of the present embodiment lies in the structure of the driving device, and the driving device is configured by combining the stereotactic seat 1, the machine base 2, the power chamber 22, the transmission 3, and the electromagnetic brake 4. . The localization seat 1 localizes and supports all the members of the driving device, and further includes a localization tool 11 for housing and positioning the members, and a plurality of correction screws 12 are provided through a peripheral wall of the localization tool 11. It is best to use three straightening screws, and the localization tool 11 has a bearing hole 13 in the center thereof for receiving a bearing. The diameter of the bearing hole 13 is adjusted to the diameter of the bearing to be used. After the bearing is accommodated in the bearing hole 13, the center localization point can be corrected smoothly. Further, on the stereotaxic seat 1, a fixing fastener 14 for performing a fixing action is provided at an appropriate place away from the localization tool 11, and a washer 141 is fitted to the fixing fastener 14.

The machine base 2 is used for installing the transmission 3 and a power source, and includes a bearing room 21 in which a transmission component is provided, and a power room 22 that houses a power source extending to one side of the bearing room 21. One. A power source 222 is installed in the power room of the machine base 2, and the bottom end of the bearing room 21 is configured so that its shape can be adjusted to the inside of the localization device 11. By making it a little smaller, the bottom end of the bearing chamber 21 fits into the bearing hole 13 of the localization tool 11, so that it can be moved in the localization tool 11 if necessary, and the center localization point can be corrected smoothly.

A plurality of positioning holes 221 are provided in the upper wall of the power chamber 22, and a power source 222 is fixedly provided. In this embodiment, a screw is used for fixing the power source 222. It is best to use four symmetrical positioning holes 221. The power source 222 may be a motor, and a positioning screw 223 for adjusting the position of the power source 222 is provided at an appropriate position on one side wall of the power chamber 22, and the screw of the positioning hole 221 is first loosened, and then the positioning screw 223 is mounted. The position of the power source 222 can be adjusted by turning the screw. Further, there is provided a horizontal plate 225 which extends horizontally from the bottom end of the right side wall of the power chamber 22 and tightens and locks the machine base 2. The horizontal plate 225 has a long screw hole 226 having the same length as the diameter of the fixing fastener 14 when the fixing fastener 14 of the localization base 1 is pushed up from below, and the machine base 2 is moved and tightened to an appropriate position. Lock. The fixing fastener 14 has a washer 141 which spans the screw hole 226, and the fixing fastener 14 firmly tightens the washer 141 on the positioning plate 225 to fix the machine base 2 on the positioning base 1.

The transmission 3 functions to transmit power to the center shaft of the revolving door, and is housed in the bearing chamber 21 to reduce the frictional force and to perform the localization function. , A large gear 33 fixed to the main transmission shaft 32, and a small gear 34 fixed to the transmission shaft 2221 of the power source 222 so as to mesh with the large gear 33. It is composed of Therefore, the rotation speed is controlled by the gear ratio of the large gear 33 and the small gear 34, and the rotation of the center shaft 52 and the rotating door 5 is well stabilized. The transmission method of the large and small gears may be replaced by a belt and a pulley having the same effect, or a toothed pulley with low noise and low torque.

The electromagnetic brake 4 is used for deceleration and speed control of the rotating door 5, and is fixed below the large gear 33 and at an appropriate place on the machine base 2. If it is desired to reduce the rotation speed of the rotating door part 5 to apply a brake, a current of a specific magnitude is supplied to the electromagnetic brake 4 and the large gear 33 is sucked by the magnetic force generated by the electromagnetic response. The purpose of controlling the speed of the revolving door part 5 by decelerating or stopping 33 is achieved. Naturally, the braking action with the electromagnetic brake 4 requires the help of the friction action of the outer parts.

Next, as shown in FIGS. 3 and 4, an annular concave portion 331 is formed on the bottom surface of the large gear 33 so that the electromagnetic brake 4 can effectively control the turning speed of the rotating door 5. Then, a magnetic force blocking ring 332 having a notch therein is fitted therein. As shown in FIG. 4, the magnetic force blocking ring 332 conforms to the shape of the recess 331, and covers the magnet 3321, the coil 3322 wound on the surface of the magnet, and the outside of the coil 3322. And a single insulator 3323. In order to give the magnetic force blocking ring 332 the effect of blocking the magnetic force, two terminals 3324 are exposed outside the insulator 3323, and the power is appropriately supplied from the large gear 33 to generate the function of blocking the magnetic force. Further, it interacts with the magnetic force generated by the electromagnetic brake 4 to effectively control the speed of the rotating door 5. Also, as shown in FIG. 3, there is a gap between the electromagnetic brake 4 and the large gear 33, and when the brake is applied, the electromagnetic brake 4 moves upward and comes into contact with the large gear 33, and Complete the action. Further, a localization cylinder 40 is provided around the electromagnetic brake 4 so that the electromagnetic brake 4 is simply moved vertically, so that it is not always moved horizontally.

When the driving device is applied to the revolving door unit 5, first, the localization base 1 is installed above the door frame bar 51 of the revolving door unit 5, then the machine base 2 is installed on the localization base 1, and The main transmission shaft 32 of the transmission 3 is inserted into the bearing chamber 21 and then assembled and fixed to the upper end of the center shaft 52 of the rotating door 5. Finally, the large gear 33, the small gear 34, and the electromagnetic brake 4 are sequentially installed to complete the installation of the rotating door 5, and the rotating door 5 is installed first on the pedestal 6 which can be rotated.

Even if the center point between the main drive shaft 32 and the center axis 52 of the rotating door portion 5 is shifted during the above-described operation of installing the driving device, it is not necessary to remove the entire driving device and newly install the driving device. Instead, simply loosen the fixing fastener 14 of the localization base 1 and the correction screw 12 of the localization tool 11, move the machine base 2, and further move the center point of the main drive shaft 32 and the center point of the center axis 52 of the rotary door 5 to the center. After accurate alignment, the fixing fastener 14 and the straightening screw 12 may be re-tightened and locked. In this way, the driving device in this embodiment has the effect of correcting the center point.

After each member of the present embodiment has been used for a certain period, a loosening phenomenon may occur. If the engagement of the gears becomes poor, the position of the power source 22 can be adjusted simply by loosening the screw 224 in the positioning hole 221 above the power chamber 22 and further adjusting the positioning screw 223 on the side wall of the power chamber 22. If the screw 224 is tightened firmly, the small gear 34 and the large gear 33 of the power source 22 can be tightly engaged. Thus, the power is accurately transmitted to the rotating door 5, and the service life of each member is extended.

Next, as shown in FIGS. 5 and 6, the pedestal 6 is fixed on the ground with at least a base 60 and two or more fasteners. The bearing hole 63 is an important support point of the rotating door portion 5, and the bolts 62 for fixing the pedestal 6 can be mutually adjusted by the height of the ground, and can be surely installed horizontally. In the present embodiment, the bolt 62 is used as a fastener.

The pedestal 6 further has a ball bearing 7, which comprises an upper lid 70, a lower lid 71, and a plurality of balls 72 between the upper and lower lids. Further, the upper and lower lids 70, 71 respectively form annular recessed grooves 701, 702 in the middle part of the inner surface thereof, and the ball 72 is placed therein and can rotate freely. The ball bearings 7 are all placed in the bearing holes 63 and serve to assist rotation.

The pedestal 6 further has a locating tool 8 for locating the rotating door 5, and the locating tool 8 is installed on the bearing hole 63 and has a fixing hole 80 for installing the rotating door 5 and a shaft 81. At least three or more fixing holes 801 for fixing the rotating door portion 5 are formed in the fixing hole portion 80, but the number can be naturally increased by the number of the rotating door portions 5 to be installed. The shaft portion 81 extends both above and below the fixing hole portion 80, and its length is exactly the length penetrating the ball bearing 7 placed in the bottom base 60, and the rotating door portion 5 is installed. When turning again, the shaft portion 81 rotates together with the center shaft 52. At this time, the ball bearing 7 exerts its auxiliary effect and supports the localization tool 8. A major feature of the present embodiment is that the combination of the base 60 and the positioning tool 8 for positioning the revolving door can be freely removed. Further, in the present embodiment, a gasket ring is assembled at a connection point between the base 60 and the positioning device 8 for positioning the revolving door, and the maximum action of the gasket ring 9 is disadvantageous for members such as water and dust. It is to prevent the entry of various foreign matters so that the rotation of the central shaft 52 and the turning of the rotary door 5 are not hindered.

As described above, according to the present embodiment, the pedestal 6 of the revolving door 5 and the conventional revolving door and pedestal are integrally formed, and in the present embodiment, each of the revolving door 5 and the central axis are different. In the case of cleaning or maintenance, the revolving door 5 is first removed from the positioning hole 80 of the positioning tool 8 and the positioning tool 8 is rotated to clean the bearing hole of the base 60. When the ball bearing 7 is taken out from the base 63, the inside of the base 60 and the ball bearing 7 can be maintained and cleaned. After that, the localization tool 8 is again pushed into the bearing hole 63 of the bottom base 60 with force, and each rotating door part 5 is sequentially pushed into the fixing hole 801 to be assembled. Thus, the revolving doors are easy to combine and remove, and are convenient for maintenance and cleaning.

[Brief description of the drawings]

FIG. 1 is a front view showing a turnstile according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing the driving device according to the embodiment of the present invention;

FIG. 3 is a front view showing the driving device according to the embodiment of the present invention;

FIG. 4 is a perspective view showing a magnetic blocking ring of the driving device according to the embodiment of the present invention;

FIG. 5 is an exploded perspective view showing the pedestal according to the embodiment of the present invention;

FIG. 6 is a sectional view showing a pedestal according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Localization stand 2 Machine stand 3 Transmission device 4 Electromagnetic brake 5 Revolving door part 6 Pedestal 7 Ball bearing 11 Localization tool 12 Correction screw 13 Bearing hole 14 Fixed fastening 21 Bearing room 22 Power room 51 Door frame rod 52 Center axis 221 Localization hole 223 Localization hole Screw 224 Screw 226 Screw hole

Claims (4)

[Utility model registration claims] 1. A plurality of revolving doors, a door frame installed above the revolving door, a central axis connected to a vertical side of the revolving door, and a driving device installed on an upper end of the central axis. A pedestal installed at the bottom end of the central shaft, wherein the driving device has a localization base, a machine base, a transmission, and an electromagnetic brake, and the localization base localizes the members of the driving device. A positioning tool is provided for supporting and holding the members of the driving device, and a positioning tool is provided above the positioning tool. The positioning tool is provided with a plurality of correction screws penetrating a peripheral wall, and a bearing is provided at a center thereof. A bearing hole is formed, and the localization stand is provided with a fixing fastener for fixing the machine base at a position away from the localization tool, and the machine base is used for installation of the transmission and a power member. , A bearing chamber for housing the transmission, and an upper end wall A plurality of localization holes formed and holding the power member by tightening the screws, and a positioning screw capable of adjusting the position of the power member is provided through the right side wall to penetrate therefrom, and further from the bottom end of the right side wall. A screw hole is formed in the center part extending laterally, the fixing fastener is fitted in the screw hole, the machine base is fixed on the localization stand, and the transmission device is inserted into the bearing chamber. The electromagnetic door is installed to conduct power to the rotating door, and the electromagnetic brake is installed on the machine base to reduce or control the rotation speed of the rotating door. 2. The pedestal has a base, a ball bearing, and a rotating door locator. The base is tightened by a plurality of fasteners, and can be adjusted in horizontal and equilibrium, and has a center. In the bearing hole, the most important support when the rotating door part is pivoted, the ball bearing is installed in the bearing hole of the bottom stand, each having an annular semicircular concave path on the inner surface, A lower lid and the upper, a plurality of balls sandwiched between the lower lid and fitted in the annular circular recessed path, the rotating door positioning tool is installed in the bearing hole of the bottom stand, A fixing hole portion to which the revolving door portion is attached, and a shaft portion directly inserted into the inside of the bottom base and fixed by being fitted into the ball bearing, and the shaft when the revolving door portion turns. The part rotates the ball bearings together to exert an auxiliary effect, and furthermore, The revolving door according to claim 1, wherein a gasket ring is installed at a position where the revolving door positioning tool is connected to the bottom base, and the revolving door positioning tool is freely removed from the bottom base. 3. The transmission device is installed in the bearing chamber, and reduces the frictional force and performs a localization action. The main transmission shaft penetrates the bearing, and is fixed to the main transmission shaft. 2. The revolving door according to claim 1, further comprising: a large gear wheel, and a small gear gear engaged with the large gear wheel and fixed on the power member. 4. The large gear has an annular concave groove having a notch formed in a bottom side surface, and a coercive force ring having a notch is fitted in the annular concave groove. The revolving door according to claim 3, further comprising: a coil wound around a surface of the magnet, and an insulator covering the coil.