CN212656709U - Drive mechanism transmission shaft double-bearing concentric stable guide device of crystal revolving door - Google Patents
Drive mechanism transmission shaft double-bearing concentric stable guide device of crystal revolving door Download PDFInfo
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- CN212656709U CN212656709U CN202020963968.5U CN202020963968U CN212656709U CN 212656709 U CN212656709 U CN 212656709U CN 202020963968 U CN202020963968 U CN 202020963968U CN 212656709 U CN212656709 U CN 212656709U
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- roller bearing
- transmission shaft
- bearing
- tapered roller
- drive mechanism
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Abstract
A driving mechanism transmission shaft double-bearing concentric stable guide device of a crystal revolving door is characterized in that a tapered roller bearing (2) is installed at the upper end of a transmission shaft (3), a cylindrical roller bearing (6) is installed at the lower end of the transmission shaft (3), and a dust-proof sleeve (5) is sleeved outside the tapered roller bearing (2). Through the cooperation of the driving mechanism double-bearing concentric guide structure, the reliability of a mechanical structure is improved, the coaxiality and the strength of a transmission shaft are ensured, the concentricity of the transmission shaft of the driving device and the central line of a door body is ensured, the installation, the construction and the operation are reliable, and the damage probability of the bearing is greatly reduced. The door body can stably complete the rotation action in the operation process, the device has a simple and efficient structure, and the maintenance cost is greatly reduced.
Description
Technical Field
The utility model relates to a drive mechanism innovation auxiliary device's of quartzy revolving door institutional advancement technique, especially quartzy revolving door's drive mechanism transmission shaft duplex bearing is smooth guider with one heart.
Background
The crystal revolving door is made of special glass materials and is skillfully manufactured, so that the integral design of the door has the common performance of the revolving door, and the crystal revolving door achieves new transparent aesthetic feeling from the sense of appearance and is fused with any building through simple transparent design.
The existing rotary crystal door driving mechanism adopts the guide fit of a flange plate 1 press-fitting transmission shaft 3, a bearing seat, a tapered roller bearing 2 and a large chain wheel 4 as shown in figure 1, although the load bearing of the door body of the structure can meet the requirement, the concentricity cannot be ensured after the door body is applied, and the main reason is that the transmission shaft structure of the driving mechanism has flaws.
The installation process of the existing crystal door driving mechanism device comprises the installation of a tapered roller bearing 2 and the installation of a chain wheel transmission system; the action steps performed include: three-phase motor rotation, big sprocket 4 and chain drive, transmission shaft 3 rotation and the door body is rotatory. The problems associated with the drive shaft 3 arising in such a multiplicity of steps include:
1) the transmission shaft 3 is easy to incline: because the ball and the steel ring of the tapered roller bearing 2 are in a taper fit structure, the tapered roller bearing is easy to incline when stressed in a single direction.
2) The bearing is easy to wear: since the tapered roller bearing 2 is pulled to the motor side during chain transmission, the bearing is easy to wear on one side.
3) The center of the transmission shaft 3 is ensured to be concentric with the center line of the door body by the weight of the door body, and in the installation process of the door body, the transmission shaft can be inclined by the gravity of the door leaves installed firstly because the door bodies are installed in sequence, so that the installation construction is not easy to ensure the precision; in the using and operating process, the transmission shaft can be displaced when the chain transmission is stressed, and at the moment, the bearing is easily damaged by being stressed on one side, the maintenance cost is high, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a smooth guider of drive mechanism transmission shaft duplex bearing of quartzy revolving door with one heart to tapered roller bearing and cylindrical roller bearing and duplex bearing cooperation guarantee the axiality and the intensity of transmission shaft, realize the smooth and rotary operation work of a body.
The purpose of the utility model is realized by the following technical measures: comprises a tapered roller bearing, a transmission shaft, a large chain wheel, a dustproof sleeve and a cylindrical roller bearing; the upper end of the transmission shaft is provided with a tapered roller bearing, the lower end of the transmission shaft is provided with a cylindrical roller bearing, and the outer part of the tapered roller bearing is sleeved with a dustproof sleeve.
Particularly, a flange plate is arranged at the upper ends of the transmission shaft and the tapered roller bearing, and a large chain wheel is arranged at the lower ends of the transmission shaft and the cylindrical roller bearing. The driving mechanism is arranged at the lower side of the large chain wheel and is arranged in the waterproof box.
Particularly, the height of the tapered roller bearing is 1/6-1/4 of the height of the transmission shaft; the taper of the tapered roller bearing is 15-25 degrees.
Particularly, the upper end surface of the dustproof sleeve is closed and reduced in diameter and is provided with a sealing ring.
In particular, the cylindrical roller bearing height is not less than the tapered roller bearing height.
In particular, the cylindrical roller bearing is mounted coaxially with the tapered roller bearing.
In particular, the outer parts of the tapered roller bearing, the transmission shaft and the cylindrical roller bearing are sleeved with shaft sleeves, and the dustproof sleeves are sleeved at the upper ends of the shaft sleeves.
The utility model discloses an advantage and effect: through the cooperation of the double-bearing concentric guide structures of the driving mechanism, the reliability of a mechanical structure is improved, the concentricity of a transmission shaft of the driving device and the central line of a door body is ensured, the installation, the construction and the operation are reliable, and the damage probability of the bearing is greatly reduced. The door body can stably complete the rotation action in the operation process, the device has a simple and efficient structure, and the maintenance cost is greatly reduced.
Drawings
FIG. 1 is a schematic view of the internal structure of a guide device of a conventional crystal door driving mechanism;
FIG. 2 is a schematic view of the internal structure of a guide device of a crystal door driving mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of an installation and application structure of the embodiment of the invention in a pit by embedding a waterproof box;
FIG. 4 is a schematic cross-sectional view of the door coupled with the door mechanism according to the embodiment of the present invention;
the reference numerals include:
the device comprises a flange plate 1, a tapered roller bearing 2, a transmission shaft 3, a large chain wheel 4, a dustproof sleeve 5, a cylindrical roller bearing 6, a waterproof box 7, an expansion fixing bolt 8, a door body linkage mechanism 9, a transmission guide mechanism 10 and a driving mechanism 11.
Detailed Description
The utility model discloses the principle lies in, optimize the relevant guiding mechanism of current single tapered roller bearing 2, through transmission shaft 3, the dirt proof boot 5, tapered roller bearing 2, cylindrical roller bearing 6 and big sprocket 4 etc. cooperate, both compromise and consider tapered roller bearing 2 bearing and dustproof needs, cylindrical roller bearing 6 has been increased again and has guaranteed the concentricity of transmission shaft 3, the door body can not take place the slope phenomenon during the erection work, guarantee that 3 axle centers of transmission shaft can not shift through 4 chain drive operation of big sprocket, tapered roller bearing 2, cylindrical roller bearing 6 is also fragile.
The utility model discloses a: tapered roller bearing 2, transmission shaft 3, big sprocket 4, dirt proof boot 5 and cylindrical roller bearing 6.
The present invention will be further explained with reference to the drawings and examples.
Example 1: as shown in the attached figure 2, the upper end of the transmission shaft 3 is provided with a tapered roller bearing 2, the lower end of the transmission shaft 3 is provided with a cylindrical roller bearing 6, and the tapered roller bearing 2 is externally sleeved with a dust-proof sleeve 5.
In the above, the flange plate 1 is attached to the upper ends of the transmission shaft 3 and the tapered roller bearing 2, and the large sprocket 4 is attached to the lower ends of the transmission shaft 3 and the cylindrical roller bearing 6. A driving mechanism 11 is arranged at the lower side of the large chain wheel 4, and the driving mechanism 11 is arranged in the waterproof box 7.
In the above, the height of the tapered roller bearing 2 is 1/6-1/4 of the height of the transmission shaft 3; the taper of the tapered roller bearing 2 is 15-25 degrees.
In the foregoing, the upper end face of the dust-proof sleeve 5 is reduced in diameter and provided with the sealing ring.
In the foregoing, the cylindrical roller bearing 6 is not less in height than the tapered roller bearing 2.
In the foregoing, the cylindrical roller bearing 6 is mounted coaxially with the tapered roller bearing 2.
In the foregoing, the shaft sleeve is sleeved outside the tapered roller bearing 2, the transmission shaft 3 and the cylindrical roller bearing 6, and the dustproof sleeve 5 is sleeved on the upper end of the shaft sleeve.
The embodiment of the utility model provides an in, quartzy revolving door includes whole glass frame construction, 8mm +1.52+8mm doubling hot bending glass curved wall, 8mm +1.52+8mm doubling toughened glass huagai, 12mm flat plate toughened glass door leaf to and stainless steel connecting piece and other accessories.
In the embodiment of the utility model, as shown in figure 3, before implementation, the waterproof box 7 is pre-embedded in the pit and is fixedly connected with the foundation fixing framework through the mounting hole on the driving mechanism mounting seat and the expansion bolt 8; the transmission shaft 3 is connected with the door body for transmission through the flange plate 1.
In the embodiment of the utility model, as shown in fig. 4, the installation relationship of each functional part comprises that the flange plate 1 takes the upper side as the door body linkage mechanism 9 to be connected with the door body for transmission, so as to realize the driving of the crystal door; a dustproof sleeve 5 additionally arranged at the upper end of the transmission shaft 3, the transmission shaft 3 and a cylindrical roller bearing 6 at the lower end form a transmission guide mechanism 10; below the drive shaft 3, a drive mechanism 11 is connected through the drive shaft 3.
In the embodiment of the utility model, the water-soluble,
the embodiment of the utility model provides an in, operating condition control process includes:
1) the motor is switched on to start running, the small chain wheel on the motor rotates anticlockwise, the large chain wheel 4 is driven to rotate anticlockwise through chain transmission, so that the transmission shaft 3 and the flange plate 1 are driven to rotate at a constant speed, and the flange plate 1 is connected with the door body to drive the door body to rotate and run;
2) and (3) controlling the stop state: and when the stop switch is pressed down, the sensor feeds back the signal of the magnetic steel to the motor to stop or the motor immediately stops when the emergency stop switch is pressed down.
Claims (8)
1. A drive mechanism transmission shaft double-bearing concentric stable guide device of a crystal revolving door comprises a tapered roller bearing (2), a transmission shaft (3), a large chain wheel (4), a dustproof sleeve (5) and a cylindrical roller bearing (6); the dustproof transmission device is characterized in that a tapered roller bearing (2) is installed at the upper end of a transmission shaft (3), a cylindrical roller bearing (6) is installed at the lower end of the transmission shaft (3), and a dustproof sleeve (5) is sleeved outside the tapered roller bearing (2).
2. The drive mechanism drive shaft double bearing concentric smooth guide device of crystal revolving door according to claim 1, characterized in that the flange (1) is installed on the upper end of the drive shaft (3) and the tapered roller bearing (2), and the large chain wheel (4) is installed on the lower end of the drive shaft (3) and the cylindrical roller bearing (6).
3. The crystal rotary door drive mechanism drive shaft double bearing concentric smooth guide device according to claim 1, characterized in that the tapered roller bearing (2) has a height 1/6-1/4 of the drive shaft (3); the taper of the tapered roller bearing (2) is 15-25 degrees.
4. The crystal revolving door drive mechanism drive shaft double-bearing concentric smooth guide device according to claim 1, wherein the upper end face of the dust-proof sleeve (5) is reduced in diameter and provided with a seal ring.
5. The crystal rotary door drive mechanism drive shaft double bearing concentric smooth guide apparatus according to claim 1, wherein the height of the cylindrical roller bearing (6) is not less than the height of the tapered roller bearing (2).
6. The crystal rotary door drive mechanism drive shaft double bearing concentric smooth guide apparatus according to claim 1, wherein the cylindrical roller bearing (6) is installed coaxially with the tapered roller bearing (2).
7. The crystal revolving door drive mechanism drive shaft double-bearing concentric smooth guide device according to claim 1, wherein a shaft sleeve is sleeved outside the tapered roller bearing (2), the drive shaft (3) and the cylindrical roller bearing (6), and a dust-proof sleeve (5) is sleeved on the upper end of the shaft sleeve.
8. The crystal rotary door drive mechanism drive shaft double bearing concentric smooth guide apparatus according to claim 2, characterized in that the drive mechanism (11) is installed on the lower side of the large chain wheel (4), and the drive mechanism (11) is installed in the waterproof box (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963968.5U CN212656709U (en) | 2020-05-29 | 2020-05-29 | Drive mechanism transmission shaft double-bearing concentric stable guide device of crystal revolving door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963968.5U CN212656709U (en) | 2020-05-29 | 2020-05-29 | Drive mechanism transmission shaft double-bearing concentric stable guide device of crystal revolving door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212656709U true CN212656709U (en) | 2021-03-05 |
Family
ID=74747309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020963968.5U Active CN212656709U (en) | 2020-05-29 | 2020-05-29 | Drive mechanism transmission shaft double-bearing concentric stable guide device of crystal revolving door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212656709U (en) |
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2020
- 2020-05-29 CN CN202020963968.5U patent/CN212656709U/en active Active
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