CN215844865U - Rotary saddle of entry coil car - Google Patents
Rotary saddle of entry coil car Download PDFInfo
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- CN215844865U CN215844865U CN202122453393.XU CN202122453393U CN215844865U CN 215844865 U CN215844865 U CN 215844865U CN 202122453393 U CN202122453393 U CN 202122453393U CN 215844865 U CN215844865 U CN 215844865U
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- saddle
- oil inlet
- rack
- inlet cavity
- hydraulic cylinder
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Abstract
The utility model discloses a rotary saddle of an inlet steel coil car, which comprises saddle connecting plates and a rotary saddle body, wherein first supports are symmetrically arranged on two sides of the upper surface of the saddle connecting plates, a second support is arranged at the upper end of each first support, a swing hydraulic cylinder is arranged on the saddle connecting plates between the first supports, a rotating shaft is arranged at the central position of the lower surface of the rotary saddle body, and the upper end of the rotating shaft is connected with the second support through a thrust self-aligning roller bearing. This entry steel coil car's rotatory saddle adopts swing hydraulic cylinder to drive the double rack and is reciprocating motion, it is rotatory through first rack and second rack drive gear, turn into the positive reverse swing rotation of gear shaft, the output torque of pivot is changed into to the thrust of reciprocating cylinder simultaneously, swing hydraulic cylinder output shaft and top pivot all adopt double key drive, swing hydraulic cylinder and saddle connecting plate are with the tang location, the rotatory saddle body of top is with the tang location equally, can guarantee the precision and the installation accuracy of location.
Description
Technical Field
The utility model relates to the technical field of an inlet steel coil car, in particular to a rotary saddle of the inlet steel coil car.
Background
The inlet steel coil car is one of main devices in a cold rolling process, and the steel coil car firstly takes coils from a saddle position, then measures the diameter and the height of the steel coil, and performs coiling after centering is accurate.
The steel coil car mainly comprises a car body, a supporting roller, a lifting saddle, a lifting guide rod, a lifting hydraulic cylinder, a horizontal driving motor and the like. The vehicle body is of a steel welding structure and is driven by a gear motor to travel on the track. The vehicle body is provided with a lifting saddle with a guide device, and the lifting saddle is driven to lift by a hydraulic cylinder. The steel coil car walking is equipped with proximity switch and is used for accurate off-position, and hydraulic cylinder has displacement sensor and is used for realizing automatic rolling up. Because the direction of the strip head coming from the inlet section of the 1450 single-rack temper mill is not consistent, a rotating saddle needs to be added on the lifting saddle and rotates 180 degrees under the driving of the rotating mechanism to realize the consistency of the strip head and the uncoiling direction, so that the uncoiler can correctly uncoil the strip head and uncoil the strip.
In the past, a reduction motor is generally adopted to directly connect a gear to drive a saddle to rotate or a hydraulic cylinder pushes a rack to rotate to drive the saddle to rotate, the positioning precision of the gear motor with the structure that the reduction motor directly connects the gear to drive the saddle to rotate is not high, and a motor shaft is influenced by extra radial force of a gear, so that the service life of a bearing is influenced. And the dolly adopts gear motor directly to connect the rotatory coil of strip of gear drive, has coil of strip rotation precision not high, the inaccurate problem of location, and the motor takes band-type brake to probably the size needs the extension to lead to the increase of coil of strip car saddle appearance to directly relate to the soil foundation construction.
The hydraulic cylinder pushes the rack to rotate the gear to drive the saddle to rotate, so that the appearance of the saddle is very large, and the saddle is interfered with a plurality of devices and also relates to soil foundation construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rotary saddle of an inlet steel coil car, which has the advantages of optimally designing the rotary saddle of the steel coil car by combining the existing foundation and equipment arrangement in an inlet section area, reducing the overall dimension on the premise of ensuring the performance of the equipment and solving the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rotatory saddle of entry coil of strip car, includes saddle connecting plate and rotatory saddle body, the bilateral symmetry of saddle connecting plate upper surface is provided with first support, and the upper end of first support is provided with the second support, is provided with swing hydraulic cylinder on the saddle connecting plate between the first support, the central point of rotatory saddle body lower surface puts and is provided with the pivot, and the upper end of pivot is passed through thrust self-aligning roller bearing and is connected with the second support, and the pivot lower extreme passes through self-aligning bearing and is connected with first support, and the lower extreme fixedly connected with gear of pivot, gear and swing hydraulic cylinder are connected.
Preferably, the swing hydraulic cylinder comprises a first cylinder body and a second cylinder body, a first oil inlet cavity and a second oil inlet cavity are respectively arranged at two ends of the first cylinder body, a third oil inlet cavity and a fourth oil inlet cavity are respectively arranged at two ends of the second cylinder body, the third oil inlet cavity is connected with the second oil inlet cavity through a pipeline, and the fourth oil inlet cavity is connected with the first oil inlet cavity through a pipeline.
Preferably, a piston barrier is arranged between the first oil inlet cavity and the second oil inlet cavity, and a first rack is connected to the piston.
Preferably, a piston barrier is arranged between the third oil inlet cavity and the fourth oil inlet cavity, and a second rack is connected to the piston.
Preferably, the first rack and the second rack are respectively engaged with a gear.
Preferably, the first cylinder body and the second cylinder body are arranged in parallel, and the first rack and the second rack are arranged in central symmetry.
Compared with the prior art, the utility model has the following beneficial effects:
the rotary saddle of the inlet steel coil car adopts the swing hydraulic cylinder to drive the double racks to do reciprocating motion, the first rack and the second rack drive the gears to rotate, the reciprocating cylinder is converted into forward and reverse swing rotation of the gear shaft, meanwhile, the thrust of the reciprocating cylinder is converted into the output torque of the rotating shaft, the output shaft of the swing hydraulic cylinder and the upper rotating shaft both adopt double-key transmission, the swing hydraulic cylinder and the saddle connecting plate are positioned by the seam allowance, the upper rotary saddle body is also positioned by the seam allowance, the positioning precision and the installation precision can be ensured, the rotating speed of the rotary saddle body is slow, so the upper part adopts the thrust self-aligning roller bearing to bear the axial load, the lower part adopts the self-aligning bearing, the outer ring is opened in the axial direction, the installation and maintenance are convenient, the bearing is prevented from being clamped, compared with the structure that the existing speed reducing motor directly connects the gears to drive the saddle to rotate, the precision of the utility model is higher, compared with the structure that the hydraulic cylinder pushes the racks to rotate the gear to drive the saddle to rotate, the utility model has better stability and is not easy to deform.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
fig. 3 is a working principle diagram of the swing hydraulic cylinder of the utility model.
In the figure: 1. a saddle connecting plate; 2. rotating the saddle body; 21. a rotating shaft; 22. a gear; 3. a first support; 4. a second support; 5. a swing hydraulic cylinder; 51. a first cylinder; 511. a first oil inlet chamber; 512. a second oil inlet chamber; 513. a first rack; 52. a second cylinder; 521. a third oil inlet cavity; 522. a fourth oil inlet chamber; 523. a second rack; 6. a thrust self-aligning roller bearing; 7. self-aligning bearings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a rotary saddle for an inlet steel coil car comprises a saddle connecting plate 1 and a rotary saddle body 2, wherein first supports 3 are symmetrically arranged on two sides of the upper surface of the saddle connecting plate 1, a second support 4 is arranged at the upper end of each first support 3, a swing hydraulic cylinder 5 is arranged on the saddle connecting plate 1 between the first supports 3, the swing hydraulic cylinder 5 and the saddle connecting plate 1 are positioned by a spigot, the rotary saddle body 2 above the saddle body is also positioned by the spigot, so that the positioning precision and the installation precision can be ensured, a rotating shaft 21 is arranged at the central position of the lower surface of the rotary saddle body 2, the upper end of the rotating shaft 21 is connected with the second support 4 through a thrust self-aligning roller bearing 6, the lower end of the rotating shaft 21 is connected with the first support 3 through a self-aligning bearing 7, a gear 22 is fixedly connected at the lower end of the rotating shaft 21, the gear 22 is connected with the swing hydraulic cylinder 5, the rotating speed of the rotary saddle body 2 is slow, therefore, the upper part adopts the thrust self-aligning roller bearing 6 to bear axial load, the lower part adopts the self-aligning bearing 7, the outer ring is open in the axial direction, the installation and the maintenance are convenient, the bearing is prevented from being blocked, and a nylon lining plate is used on the V-shaped saddle of the steel coil.
Referring to fig. 3, the swing hydraulic cylinder 5 includes a first cylinder body 51 and a second cylinder body 52, a first oil inlet chamber 511 and a second oil inlet chamber 512 are respectively disposed at two ends of the first cylinder body 51, a third oil inlet chamber 521 and a fourth oil inlet chamber 522 are respectively disposed at two ends of the second cylinder body 52, the third oil inlet chamber 521 is connected to the second oil inlet chamber 512 through a pipe, the fourth oil inlet chamber 522 is connected to the first oil inlet chamber 511 through a pipe, a piston barrier is disposed between the first oil inlet chamber 511 and the second oil inlet chamber 512, a first rack 513 is connected to the piston, a piston barrier is disposed between the third oil inlet chamber 521 and the fourth oil inlet chamber 522, a second rack 523 is connected to the piston, the first rack 513 and the second rack 523 are respectively engaged with a gear 22, the first cylinder body 51 and the second cylinder body 52 are disposed in parallel, the first rack 513 and the second rack 523 are disposed in central symmetry, when oil is supplied to the first oil inlet chamber 511, the fourth oil inlet chamber 522 is simultaneously, and pushes the first rack 513 to move to the right and the second rack 523 to move to the left, so that the gear 22 rotates to drive the rotating shaft 21 to rotate, the rotating saddle body 2 rotates 180 degrees, when oil is fed to the third oil feeding cavity 521, the second oil feeding cavity 512 simultaneously feeds oil, and the rotating saddle body 2 rotates 180 degrees in the same way.
The working process is as follows: simultaneously, oil is supplied to the first oil inlet cavity 511 and the fourth oil inlet cavity 522, the first rack 513 is pushed to move rightwards and the second rack 523 is pushed to move leftwards, so that the gear 22 rotates to drive the rotating shaft 21 to rotate, 180 degrees of rotation of the rotary saddle body 2 is achieved, when oil is supplied to the third oil inlet cavity 521, oil is simultaneously supplied to the second oil inlet cavity 512, the rotary saddle body 2 rotates 180 degrees in a rotating mode in the same way, the upper portion of the rotary saddle body bears axial load by adopting the thrust self-aligning roller bearing 6, the lower portion of the rotary saddle body uses the self-aligning bearing 7, the outer ring is opened in the axial direction, the installation and maintenance are convenient, and the bearing is prevented from being clamped.
In summary, the following steps: the rotary saddle of the inlet steel coil car adopts the swing hydraulic cylinder 5 to drive double racks to do reciprocating motion, drives the gear 22 to rotate through the first rack 513 and the second rack 523 and converts the thrust of the reciprocating cylinder into the output torque of the rotating shaft 21, the output shaft of the swing hydraulic cylinder 5 and the upper rotating shaft 21 both adopt double-key transmission, the swing hydraulic cylinder 5 and the saddle connecting plate 1 are positioned by a spigot, the upper rotary saddle body 2 is also positioned by the spigot, the positioning precision and the installation precision can be ensured, the rotating speed of the rotary saddle body 2 is slow, so the upper part adopts the thrust self-aligning roller bearing 6 to bear axial load, the lower part adopts the self-aligning bearing 7, the outer ring is open in the axial direction, the installation and maintenance are convenient, the bearing is prevented from being stuck, compared with the structure that the existing speed reducing motor directly connects the gear 22 to drive the saddle to rotate, the precision of the utility model is higher, compared with a structure that a hydraulic cylinder pushes a rack to rotate a gear 22 to drive a saddle to rotate, the saddle rotating structure is better in stability and not easy to deform.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a rotatory saddle of entry coil of strip car, includes saddle connecting plate (1) and rotatory saddle body (2), its characterized in that: the bilateral symmetry of saddle connecting plate (1) upper surface is provided with first support (3), and the upper end of first support (3) is provided with second support (4), is provided with swing hydraulic cylinder (5) on saddle connecting plate (1) between first support (3), the central point of rotatory saddle body (2) lower surface puts and is provided with pivot (21), and the upper end of pivot (21) is passed through thrust self-aligning roller bearing (6) and is connected with second support (4), and pivot (21) lower extreme passes through self-aligning bearing (7) and is connected with first support (3), and the lower extreme fixedly connected with gear (22) of pivot (21), gear (22) are connected with swing hydraulic cylinder (5).
2. A swivel saddle for an inlet coil car according to claim 1, wherein: the swing hydraulic cylinder (5) comprises a first cylinder body (51) and a second cylinder body (52), a first oil inlet cavity (511) and a second oil inlet cavity (512) are respectively arranged at two ends of the first cylinder body (51), a third oil inlet cavity (521) and a fourth oil inlet cavity (522) are respectively arranged at two ends of the second cylinder body (52), the third oil inlet cavity (521) is connected with the second oil inlet cavity (512) through a pipeline, and the fourth oil inlet cavity (522) is connected with the first oil inlet cavity (511) through a pipeline.
3. A swivel saddle for an inlet coil car according to claim 2, wherein: a piston barrier is arranged between the first oil inlet cavity (511) and the second oil inlet cavity (512), and a first rack (513) is connected to the piston.
4. A swivel saddle for an inlet coil car according to claim 3, wherein: and a piston barrier is arranged between the third oil inlet cavity (521) and the fourth oil inlet cavity (522), and a second rack (523) is connected to the piston.
5. A swivel saddle for an inlet coil car according to claim 4, wherein: the first rack (513) and the second rack (523) are respectively meshed with the gear (22).
6. A swivel saddle for an inlet coil car according to claim 5, wherein: the first cylinder body (51) and the second cylinder body (52) are arranged in parallel, and the first rack (513) and the second rack (523) are arranged in a central symmetry mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122453393.XU CN215844865U (en) | 2021-10-12 | 2021-10-12 | Rotary saddle of entry coil car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122453393.XU CN215844865U (en) | 2021-10-12 | 2021-10-12 | Rotary saddle of entry coil car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215844865U true CN215844865U (en) | 2022-02-18 |
Family
ID=80259652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122453393.XU Active CN215844865U (en) | 2021-10-12 | 2021-10-12 | Rotary saddle of entry coil car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215844865U (en) |
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2021
- 2021-10-12 CN CN202122453393.XU patent/CN215844865U/en active Active
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