CN220413902U - Mechanical rotation limiting mechanism of pillow replacing machine - Google Patents
Mechanical rotation limiting mechanism of pillow replacing machine Download PDFInfo
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- CN220413902U CN220413902U CN202321243480.5U CN202321243480U CN220413902U CN 220413902 U CN220413902 U CN 220413902U CN 202321243480 U CN202321243480 U CN 202321243480U CN 220413902 U CN220413902 U CN 220413902U
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- installation shell
- fixedly connected
- turntable
- driving
- rotation
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- 230000007246 mechanism Effects 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 34
- 210000000245 forearm Anatomy 0.000 claims description 4
- 230000008094 contradictory effect Effects 0.000 claims description 2
- 241001669679 Eleotris Species 0.000 description 14
- 230000006872 improvement Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of rotation limiting devices, in particular to a mechanical rotation limiting mechanism of a pillow changing machine, which comprises a turntable used for bearing clamping jaws, wherein an installation shell connected with a small arm is arranged at the upper part of the turntable, the turntable is rotationally connected with the installation shell, a hydraulic driving motor is fixedly connected to the top of the installation shell, a driving gear is arranged at the output end of the hydraulic driving motor, a groove is sunk on the upper surface of the turntable, a gear ring meshed with the driving gear is arranged on the side wall of the groove, a brake hydraulic cylinder is fixedly connected to the outer wall of the installation shell, an oil pipe is arranged at the output end of the brake hydraulic cylinder, a telescopic rod is arranged at the output end of the oil pipe, the telescopic rod is fixedly connected to the inside of the installation shell, and a brake block used for stopping rotation of the turntable is fixedly connected to one end of the telescopic rod, so that auxiliary braking can be performed on the turntable when the turntable loses driving force, and therefore, the rotation stopping impact force between a rotation stopping lug and a limiting chuck is reduced.
Description
Technical Field
The utility model relates to the technical field of rotation limiting devices, in particular to a mechanical rotation limiting mechanism of a pillow replacing machine.
Background
The sleeper replacement machine is used for replacing the sleeper below the railway track so as to ensure that the railway can be transported normally, the lower part of the railway track can be stably supported through the sleeper, and as the length of the sleeper is larger than the distance between two tracks, when the sleeper below the railway track is taken out, the middle part of the sleeper needs to be clamped by the clamping jaw of the sleeper replacement machine, and then the clamping jaw is rotated by a certain angle so that both ends of the sleeper are positioned between the two rails, and the sleeper can be taken out by lifting the clamping jaw, so that a rotary limiting mechanism is required to be installed between the clamping jaw and the forearm of the sleeper replacement machine so as to perform normal sleeper replacement work; most of the existing rotation limiting mechanisms realize rotation stopping through rotation stopping lugs and limiting chucks. However, in the rotating process of clamping the sleeper, the mass of the clamping jaw after clamping the sleeper is large, so that inertia is large, impact force caused when the clamping jaw is stopped by using the rotation stopping lug and the limiting chuck is large, and deformation of the limiting chuck is caused after long-term use.
Disclosure of Invention
In view of the above problems, an object of the present utility model is to: the mechanical rotation limiting mechanism of the pillow changing machine can timely assist the rotating disc to brake when the rotating disc loses driving force, and therefore rotation-stopping impact force between the rotation-stopping protruding blocks and the limiting chuck is reduced.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a trade pillow machine machinery gyration stop gear, includes the carousel that is used for bearing the weight of the clamping jaw, the upper portion of carousel is provided with the installation shell of being connected with the forearm, rotate between carousel and the installation shell and be connected, the top fixedly connected with hydraulic drive motor of installation shell, hydraulic drive motor's output is provided with the driving gear, the upper surface of carousel sinks flutedly, be provided with the ring gear with driving gear meshing on the lateral wall of recess, fixedly connected with brake pneumatic cylinder on the outer wall of installation shell, the output of brake pneumatic cylinder is provided with oil pipe, oil pipe's output is provided with the telescopic link, telescopic link fixedly connected with is in the inside of installation shell, the one end fixedly connected with of telescopic link is to the brake block that the carousel was splines.
The beneficial effects of the utility model are as follows: can drive the driving gear through the hydraulic drive motor on the pillow machine that trades and rotate, the driving gear passes through the ring gear and drives the carousel and rotate to make the clamping jaw of carousel bottom rotate, when the carousel loses the drive power because inertia continues to keep rotating, the brake pneumatic cylinder passes through oil pipe and drives the telescopic link and extend, the telescopic link drives the brake block and contacts with the carousel, makes the gradual stop of carousel, from this reduces the impact force of later stage rotation stopping lug and spacing chuck.
In order to enable smooth relative rotation of the turntable and the housing.
As the further improvement of above-mentioned technical scheme, the carousel includes three disc and integrated into one piece at the spliced pole at three disc centers, and is three the disc is first spacing dish, second spacing dish and driving disk from supreme down in proper order, recess and ring gear set up the upper surface at the driving disk, the diapire of installing the shell is in between first spacing dish and the second spacing dish, the diapire of installing the shell is provided with the bearing with the contact position of spliced pole.
The beneficial effects of this improvement are: the bearing is arranged at the bearing part of the mounting shell and the connecting column, so that the relative rotation of the mounting shell and the connecting column is smoother.
In order to avoid the rotary table from shaking up and down relative to the mounting shell.
As a further improvement of the above technical scheme: the upper surface of first spacing dish and the lower surface of second spacing dish all are provided with the ball, diapire upper surface and the lower surface of installation shell are provided with the circular track of contradicting with the ball.
The beneficial effect of this improvement: the effect of spacing to the installation shell can be reached through first spacing dish and second spacing dish, and ball and circular orbital cooperation can make both rotate relatively more smooth-going simultaneously.
In order to enable the maximum angle of relative rotation of the turntable and the mounting shell to be defined.
As a further improvement of the technical scheme, the lower surface of the driving disc is fixedly connected with a rotation stopping lug, a limiting chuck is fixedly connected to the inner wall of the mounting shell, an arc through groove is formed in the limiting chuck, and the rotation stopping lug extends to the inside of the arc through groove.
The beneficial effects of this improvement are: the rotation stopping protruding blocks are matched with the arc-shaped through grooves on the limiting chuck, so that the maximum angle of relative rotation between the turntable and the mounting shell can be limited.
In order to enable alternating operation between the drive cylinder and the brake cylinder.
As a further improvement of the scheme, the driving oil cylinder and the brake hydraulic cylinder of the hydraulic driving motor are electrically connected with a power supply through a single-pole double-throw control switch.
The improved hydraulic brake device has the beneficial effects that the alternate operation of the driving oil cylinder and the brake hydraulic cylinder is realized through the single-pole double-throw switch.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the present utility model at A in FIG. 2;
FIG. 4 is a schematic diagram of a turntable according to the present utility model;
FIG. 5 is a schematic view of a structure of the utility model for stopping rotation of a turntable;
FIG. 6 is a schematic view of a spacing chuck according to the present utility model;
fig. 7 is a schematic diagram of the circuit principle of the present utility model.
In the figure: 1. a turntable; 101. a first limit plate; 102. the second limiting disc; 103. a drive plate; 104. a groove; 105. a gear ring; 106. a connecting column; 107. a ball; 108. a circular track; 2. a clamping jaw; 3. a mounting shell; 4. a bearing; 5. a hydraulic drive motor; 6. a drive gear; 7. a forearm; 8. a brake hydraulic cylinder; 9. a telescopic rod; 10. an oil pipe; 11. a brake pad; 12. a rotation stopping protruding block; 13. a limit chuck; 14. arc through grooves; 15. and driving the oil cylinder.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.
As shown in fig. 1 to 7, a mechanical rotation limiting mechanism of a pillow changing machine comprises a rotary table 1 for carrying a clamping jaw 2, wherein an installation shell 3 connected with a small arm 7 is arranged at the upper part of the rotary table 1, the rotary table 1 is rotationally connected with the installation shell 3, a hydraulic driving motor 5 is fixedly connected at the top of the installation shell 3, a driving gear 6 is arranged at the output end of the hydraulic driving motor 5, a groove 104 is sunk on the upper surface of the rotary table 1, a gear ring 105 meshed with the driving gear 6 is arranged on the side wall of the groove 104, a brake hydraulic cylinder 8 is fixedly connected on the outer wall of the installation shell 3, an oil pipe 10 is arranged at the output end of the brake hydraulic cylinder 8, a telescopic rod 9 is fixedly connected in the installation shell 3, a brake block 11 for stopping rotation of the rotary table 1 is fixedly connected at one end of the telescopic rod 9, the driving gear 6 can be driven to rotate by a hydraulic driving motor 5 on the pillow changing machine, the driving gear 6 drives the rotary table 1 to rotate by a gear ring 105, so that the clamping jaw 2 at the bottom of the rotary table 1 rotates, when the rotary table 1 loses driving force and keeps rotating continuously due to inertia, a brake hydraulic cylinder 8 drives a telescopic rod 9 to extend by an oil pipe 10, the telescopic rod 9 drives a brake block 11 to contact with the rotary table 1, so that the rotary table 1 is gradually stopped, thereby reducing the impact force of a later rotation stopping lug 12 and a limiting chuck 13, the rotary table 1 comprises three discs and a connecting column 106 integrally formed at the centers of the three discs, the three discs are a first limiting disc 101, a second limiting disc 102 and a driving disc 103 in sequence from bottom to top, the groove 104 and the gear ring 105 are arranged on the upper surface of the driving disc 103, the diapire of installation shell 3 is in between first spacing dish 101 and the second spacing dish 102, the diapire of installation shell 3 and the contact site of spliced pole 106 are provided with bearing 4, and through setting up bearing 4 in the bearing 4 department of installation shell 3 and spliced pole 106 and can make the relative rotation of installation shell 3 and spliced pole 106 smoother, the upper surface of first spacing dish 101 and the lower surface of second spacing dish 102 all are provided with ball 107, the diapire upper surface and the lower surface of installation shell 3 are provided with the circular track 108 that contradicts with ball 107, can reach the effect of spacing to installation shell 3 through first spacing dish 101 and second spacing dish 102, and the cooperation of ball 107 and circular track 108 can make both rotate more smoothly relatively simultaneously, the lower surface fixedly connected with of driving plate 103 blocks 12, fixedly connected with limit chuck 13 on the inner wall of installation shell 3, set up arc through groove 14 on the limit chuck 13, the extension of stopping blocks 12 to the inside of arc through groove 14, through the cooperation of limit chuck 12 with limit chuck 13 with single-phase brake cylinder 15 and the single-phase roller drive hydraulic cylinder 8 through the mutual drive of limit jack and single-knife drive 5 in the relative rotation of single-phase roller 8, the hydraulic cylinder 8 is realized.
The working principle of the utility model is as follows: the hydraulic drive motor 5 can drive the driving gear 6 to rotate, the driving gear 6 drives the turntable 1 to rotate through the gear ring 105 driving the top of the turntable 1, the turntable 1 realizes the stability with the bottom wall position of the installation shell 3 through the first limiting disc 101 and the second limiting disc 102, and smooth rotation is realized through the ball 107, the circular track 108 and the bearing 4, when the sleeper rotation angle that the clamping jaw 2 grabs is enough, the single-pole double-throw switch toggles, the power supply to the drive cylinder 15 is stopped, the drive cylinder 15 stops supplying oil to the hydraulic drive motor 5, simultaneously, the brake hydraulic cylinder 8 is electrified, the telescopic link 9 extends, the brake block 11 at the end of the telescopic link 9 contacts with the connecting column 106 of the turntable 1, the resistance for preventing the turntable 1 from continuing to rotate is realized, the bottom fixedly connected with the rotation stopping lug 12 of the turntable 1, the inside of the installation shell 3 is provided with the limiting chuck 13, the maximum rotation angle of the turntable 1 can be limited, the friction of the brake block 11 to the turntable 1 can be reduced, and the impact force of the rotation stopping lug 12 and the limiting chuck 13 can be reduced.
It should be noted that, in this document, 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.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that, due to the limited text expressions, there is virtually no limit to the specific structure, and that, for a person skilled in the art, modifications, alterations and combinations of these features may be made in a suitable manner without departing from the principles of the present utility model; such modifications, variations and combinations, or applications of the concepts and aspects of the utility model in other applications without modification, are contemplated as falling within the scope of the utility model.
Claims (5)
1. The utility model provides a trade pillow machine machinery gyration stop gear, includes carousel (1) that are used for carrying on clamping jaw (2), the upper portion of carousel (1) is provided with installation shell (3) that are connected with forearm (7), rotate between carousel (1) and installation shell (3) and be connected, the top fixedly connected with hydraulic drive motor (5) of installation shell (3), the output of hydraulic drive motor (5) is provided with driving gear (6), the upper surface of carousel (1) sinks fluted (104), be provided with ring gear (105) with driving gear (6) meshing on the lateral wall of recess (104), its characterized in that: the novel hydraulic brake device is characterized in that a brake hydraulic cylinder (8) is fixedly connected to the outer wall of the installation shell (3), an oil pipe (10) is arranged at the output end of the brake hydraulic cylinder (8), a telescopic rod (9) is arranged at the output end of the oil pipe (10), the telescopic rod (9) is fixedly connected to the inside of the installation shell (3), and a brake block (11) for stopping rotation of the turntable (1) is fixedly connected to one end of the telescopic rod (9).
2. The pillow exchanger mechanical rotation limiting mechanism of claim 1, wherein: carousel (1) include three disc and integrated into one piece at three disc center's spliced pole (106), and is three the disc is first spacing dish (101), second spacing dish (102) and driving disk (103) from down supreme in proper order, recess (104) and ring gear (105) set up the upper surface at driving disk (103), the diapire of installation shell (3) is in between first spacing dish (101) and second spacing dish (102), the diapire of installation shell (3) is provided with bearing (4) with the contact site of spliced pole (106).
3. The pillow exchanger mechanical rotation limiting mechanism of claim 2, wherein: the upper surface of first spacing dish (101) and the lower surface of second spacing dish (102) all are provided with ball (107), diapire upper surface and the lower surface of installation shell (3) are provided with circular track (108) of contradicting with ball (107).
4. The pillow exchanger mechanical rotation limiting mechanism of claim 2, wherein: the anti-rotation device is characterized in that a rotation stopping lug (12) is fixedly connected to the lower surface of the driving disc (103), a limiting chuck (13) is fixedly connected to the inner wall of the mounting shell (3), an arc-shaped through groove (14) is formed in the limiting chuck (13), and the rotation stopping lug (12) extends to the inside of the arc-shaped through groove (14).
5. The pillow exchanger mechanical rotation limiting mechanism of claim 1, wherein: the driving oil cylinder (15) and the brake hydraulic cylinder (8) of the hydraulic driving motor (5) are electrically connected with a power supply through a single-pole double-throw control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321243480.5U CN220413902U (en) | 2023-05-22 | 2023-05-22 | Mechanical rotation limiting mechanism of pillow replacing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321243480.5U CN220413902U (en) | 2023-05-22 | 2023-05-22 | Mechanical rotation limiting mechanism of pillow replacing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220413902U true CN220413902U (en) | 2024-01-30 |
Family
ID=89649802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321243480.5U Active CN220413902U (en) | 2023-05-22 | 2023-05-22 | Mechanical rotation limiting mechanism of pillow replacing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220413902U (en) |
-
2023
- 2023-05-22 CN CN202321243480.5U patent/CN220413902U/en active Active
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