CN115976892A - Positive line double-pillow tamping device - Google Patents
Positive line double-pillow tamping device Download PDFInfo
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- CN115976892A CN115976892A CN202310090175.5A CN202310090175A CN115976892A CN 115976892 A CN115976892 A CN 115976892A CN 202310090175 A CN202310090175 A CN 202310090175A CN 115976892 A CN115976892 A CN 115976892A
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Abstract
The application discloses two pillow tamping units of main line includes: the device comprises a bracket, a first vibration excitation device, a second vibration excitation device, a third vibration excitation device and a fourth vibration excitation device, wherein an upper bearing mounting hole and a lower bearing mounting hole are formed in a rack; the first eccentric shaft of the first vibration excitation device and the second eccentric shaft of the second vibration excitation device are hinged to the upper bearing mounting hole through the upper bearing; the third eccentric shaft of the third vibration excitation device and the fourth eccentric shaft of the fourth vibration excitation device are hinged to the lower bearing mounting hole through the lower bearing; the first eccentric shaft and the second eccentric shaft are two independent eccentric shafts or are an integrated eccentric shaft; the third eccentric shaft and the fourth eccentric shaft are two independent eccentric shafts or are an integrated eccentric shaft. Through setting up two at least eccentric shafts, for single eccentric shaft, can effectively reduce the load of eccentric shaft and bearing, and then improve its life, also be convenient for maintain moreover, and then reduce the maintenance cost.
Description
Technical Field
The application relates to the field of track maintenance, in particular to a positive line double-sleeper tamping device.
Background
The tamping operation is one of main work of track maintenance, can effectively recover geometrical parameters of a line, improve the stability of a track bed and ensure the running safety of a train.
The existing tamping device is mostly an eccentric rotating mechanical tamping device, the working mode of the tamping device in the structural form is single eccentric shaft shock excitation, and the tamping device in the structural form is characterized in that at least two clamping oil cylinders of the pickaxe arms are hinged on the same vibrating bearing, so that the exciting force and the clamping counter force of the inner oil cylinder and the outer oil cylinder are directly applied to the vibrating bearing and the same eccentric shaft, and higher requirements are provided for the bearing capacity of the bearing and the eccentric shaft. Due to the fact that the tamping operation is poor in working condition and long in continuous operation time, the tamping device is maintained very frequently, the single eccentric shaft structure enables the bearing, the eccentric shaft and the clamping oil cylinder to be difficult to replace and maintain, and working strength and maintenance cost are improved.
Disclosure of Invention
The utility model aims at providing a positive line two pillow tamping devices can effectively reduce the bearing of vibration excitation device and the load of eccentric shaft, and then improves its life.
In order to solve the technical problem, the application provides the following technical scheme:
a positive line dual bolster tamping device, comprising:
the bearing mounting device comprises a rack, wherein an upper bearing mounting hole and a lower bearing mounting hole are formed in the rack;
the first eccentric shaft of the first vibration excitation device and the second eccentric shaft of the second vibration excitation device are hinged to the upper bearing mounting hole through an upper bearing;
the third eccentric shaft of the third vibration excitation device and the fourth eccentric shaft of the fourth vibration excitation device are hinged to the lower bearing mounting hole through a lower bearing;
the first eccentric shaft and the second eccentric shaft are two independent eccentric shafts or an integrated eccentric shaft;
the third eccentric shaft and the fourth eccentric shaft are two independent eccentric shafts or an integrated eccentric shaft.
Preferably, the bracket comprises a box body, a left bearing mounting seat and a right bearing mounting seat, the left bearing mounting seat is positioned at the left side of the box body, and the right bearing mounting seat is positioned at the right side of the box body;
the upper bearing mounting holes comprise a left upper bearing mounting hole formed in the left side wall of the box body and the upper part of the left bearing mounting seat, and a right upper bearing mounting hole formed in the right side wall of the box body and the upper part of the right bearing mounting seat, two ends of the first eccentric shaft are mounted in the left upper bearing mounting holes, and two ends of the second eccentric shaft are mounted in the right upper bearing mounting holes;
the lower bearing mounting hole comprises a left lower bearing mounting hole arranged on the left side wall of the box body and the lower part of the left bearing mounting seat and a right lower bearing mounting hole arranged on the right side wall of the box body and the lower part of the right bearing mounting seat, two ends of the third eccentric shaft are mounted in the left lower bearing mounting hole, and two ends of the fourth eccentric shaft are mounted in the right lower bearing mounting hole.
Preferably, the left side bearing mount pad with the right side bearing mount pad all includes upper portion mount pad, middle part mount pad and bottom mount pad, the upper portion mount pad the middle part mount pad with bottom mount pad top-down is dismantled the connection in proper order, upper left bearing mounting hole with upper right bearing mounting hole is located the upper portion mount pad with between the middle part mount pad, bearing mounting hole under a left side with the bearing mounting hole is located under the right side middle part mount pad with between the bottom mount pad.
Preferably, one of the first eccentric shaft, the second eccentric shaft, the third eccentric shaft and the fourth eccentric shaft is an input shaft, and the other is an output shaft, and the input shaft and the output shaft are connected through a transmission member.
Preferably, the transmission member comprises an upper gear and a lower gear, and two ends of the upper gear are respectively connected with the first eccentric shaft and the second eccentric shaft; or the upper gear is connected with the first eccentric shaft or the second eccentric shaft, and the first eccentric shaft is fixedly connected with the first eccentric shaft; two ends of the lower gear are respectively connected with the third eccentric shaft and the fourth eccentric shaft; or the lower gear is connected to the third eccentric shaft or the fourth eccentric shaft, the third eccentric shaft and the fourth eccentric shaft are fixedly connected, the upper gear is meshed with the lower gear, and one of the first eccentric shaft, the second eccentric shaft, the third eccentric shaft and the fourth eccentric shaft is an input shaft.
Preferably, a first flywheel is arranged at one end, far away from the lower gear, of the third eccentric shaft, and a second flywheel is arranged at one end, far away from the lower gear, of the fourth eccentric shaft.
Preferably, the positive line double sleeper tamping apparatus further comprises a vibration driver connected with the input shaft through a drive coupling.
Preferably, the vibration drive is a hydraulic motor, an electric motor or a pneumatic motor.
Preferably, the upper part of the box body is provided with an oil filling breathing port, and the bottom of the box body is provided with an oil drainage plug screw.
Preferably, the positive line double sleeper tamping apparatus further comprises:
the left outer tensioning driving device is hinged to the first eccentric shaft, the left end of the left outer tensioning driving device is hinged to the upper end of the left outer tamping arm, the upper end of the left outer tamping pick is connected with the lower end of the left outer tamping arm, and the left outer tamping arm is hinged to the bottom of the rack;
the left inner tensioning driving device, the left inner tamping arm and the left inner tamping pick are hinged, the right end of the left inner tensioning driving device is hinged with the third eccentric shaft, the left end of the left inner tensioning driving device is hinged with the upper end of the left inner tamping arm, the upper end of the left inner tamping pick is connected with the lower end of the left inner tamping arm, and the left inner tamping arm is hinged to the bottom of the rack;
the left end of the right outer opening and closing driving device is hinged to the second eccentric shaft, the right end of the right outer opening and closing driving device is hinged to the upper end of the right outer tamping arm, the upper end of the right outer tamping pick is connected with the lower end of the right outer tamping arm, and the right outer tamping arm is hinged to the bottom of the rack;
the left end of the right inner opening and closing driving device is hinged to the fourth eccentric shaft, the right end of the right inner opening and closing driving device is hinged to the upper end of the right inner tamping arm, the upper end of the right inner tamping pick is connected with the lower end of the right inner tamping arm, and the right inner tamping arm is hinged to the bottom of the rack.
Preferably, the left external expansion driving device and the right external expansion driving device both comprise position adjusting devices for adjusting the movement displacement of the left external expansion driving device and the right external expansion driving device.
Compared with the prior art, the technical scheme has the following advantages:
the application provides a positive line two pillow tamping units, includes: the device comprises a bracket, a first vibration excitation device, a second vibration excitation device, a third vibration excitation device and a fourth vibration excitation device, wherein an upper bearing mounting hole and a lower bearing mounting hole are formed in a rack; the first eccentric shaft of the first vibration excitation device and the second eccentric shaft of the second vibration excitation device are hinged to the upper bearing mounting hole through the upper bearing; the third eccentric shaft of the third vibration excitation device and the fourth eccentric shaft of the fourth vibration excitation device are hinged to the lower bearing mounting hole through the lower bearing; the first eccentric shaft and the second eccentric shaft are two independent eccentric shafts or are an integrated eccentric shaft; the third eccentric shaft and the fourth eccentric shaft are two independent eccentric shafts or are an integrated eccentric shaft. Through setting up first eccentric shaft, second eccentric shaft, third eccentric shaft and fourth eccentric shaft, for single eccentric shaft, can effectively reduce the load of eccentric shaft and bearing, and then improve its life, also be convenient for maintain moreover, and then reduce the maintenance cost.
Drawings
In order to more clearly illustrate the technical solutions in the present application or prior art, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a box of a main-line double-sleeper tamping device provided by the present application;
fig. 2 is a schematic structural diagram of a first, second, third and fourth vibration excitation devices of a main track double-sleeper tamping device provided by the present application;
fig. 3 is a schematic side view of the front-line double-sleeper tamping apparatus provided by the present application, with the box removed;
fig. 4 is a schematic side view of a front-line double-sleeper tamping apparatus provided in the present application;
fig. 5 is a schematic front view of a positive-line double-sleeper tamping device provided by the present application;
fig. 6 is a schematic partial main sectional structure view of a positive line double-sleeper tamping device provided in the present application;
fig. 7 is a schematic structural view of the middle mount.
The reference numbers are as follows:
1 is a box body, 1-1 is an oil filling breathing port, and 1-2 is a bottom part provided with an oil drain plug;
2 is a left bearing mounting seat, 2-1 is an upper mounting seat, 2-2 is a middle mounting seat, 2-2-1 is a lubricating oil way, 2-3 is a bottom mounting seat, 2-4 is a left upper bearing mounting hole, and 2-5 is a left lower bearing mounting hole;
3 is a right bearing mounting seat;
4 is a front hinged support, 4-1 is a left outer hinged hole, and 4-2 is a left inner hinged hole;
5 is a rear hinged support, 5-1 is a right outer hinged hole, and 5-2 is a right inner hinged hole;
6 is a first eccentric shaft, and 6-1 is a first bearing;
7 is a second eccentric shaft, and 7-1 is a second bearing;
8 is a third eccentric shaft, and 8-1 is a third bearing;
9 is a fourth eccentric shaft, and 9-1 is a fourth bearing;
10 is an upper gear, 11 is a lower gear;
12 is a left external opening and closing driving device, 13 is a left external tamping arm, and 14 is a left external tamping pick;
15 is a left inner opening and closing driving device, 16 is a left inner tamping arm, and 17 is a left inner tamping pick;
18 is a right external opening and closing driving device, 19 is a right external tamping arm, and 20 is a right external tamping pickaxe;
21 is a right inner opening and closing driving device, 22 is a right inner tamping arm, and 23 is a right inner tamping pick;
24 is a left outer expansion mounting seat, 25 is a right outer expansion mounting seat, 26 is a position adjusting device, 27 is a first flywheel, 28 is a second flywheel, 29 is a vibration driver, 30 is a driver mounting seat, and 31 is a driving coupler.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings.
In the following description, specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of implementation in many different ways than those herein set forth and of similar import to those skilled in the art without departing from the spirit and scope of this application. The present application is therefore not limited to the specific embodiments disclosed below.
Please refer to fig. 1 to 7.
A specific embodiment of the present application provides a positive line double sleeper tamping device, includes: the device comprises a rack, a first vibration excitation device I, a second vibration excitation device II, a third vibration excitation device III and a fourth vibration excitation device IV, wherein an upper bearing mounting hole and a lower bearing mounting hole are formed in the rack; a first eccentric shaft 6 of the first vibration excitation device I and a second eccentric shaft 7 of the second vibration excitation device II are hinged to the upper bearing mounting hole through upper bearings; a third eccentric shaft 8 of a third excitation device III and a fourth eccentric shaft 9 of a fourth excitation device IV are hinged to the lower bearing mounting hole through a lower bearing; the first eccentric shaft 6 and the second eccentric shaft 7 are two independent eccentric shafts or are an integrated eccentric shaft; the third eccentric shaft 8 and the fourth eccentric shaft 9 are two independent eccentric shafts or an integrated eccentric shaft. Through setting up first eccentric shaft 6, second eccentric shaft 7, third eccentric shaft 8 and fourth eccentric shaft 9, for single eccentric shaft, can effectively reduce the load of eccentric shaft and bearing, and then improve its life, the dismouting of also being convenient for moreover is maintained, and then reduces the maintenance cost.
In some embodiments of the present application, as shown in fig. 1, the bracket includes a box 1, a left bearing mount 2 and a right bearing mount 3, the left bearing mount 2 is located on the left side of the box 1, and the right bearing mount 3 is located on the right side of the box 1; the upper bearing mounting holes comprise left upper bearing mounting holes 2-4 arranged on the left side wall of the box body 1 and the upper part of the left bearing mounting seat 2 and right upper bearing mounting holes arranged on the right side wall of the box body 1 and the upper part of the right bearing mounting seat 3, two ends of the first eccentric shaft 6 are mounted in the left upper bearing mounting holes 2-4, and two ends of the second eccentric shaft 7 are mounted in the right upper bearing mounting holes; the lower bearing mounting holes comprise a left lower bearing mounting hole 2-5 arranged on the left side wall of the box body 1 and the lower part of the left bearing mounting seat 2, and a right lower bearing mounting hole arranged on the right side wall of the box body 1 and the lower part of the right bearing mounting seat 3, two ends of the third eccentric shaft 8 are mounted in the left lower bearing mounting hole 2-5, and two ends of the fourth eccentric shaft 9 are mounted in the right lower bearing mounting hole. Through left side bearing mount pad 2 and right side bearing mount pad 3, can improve the operating stability of four eccentric shafts.
In some embodiments of the present application, as shown in fig. 3 and 4, the positive line double bolster tamping apparatus further comprises:
the left outer tensioning and tamping mechanism comprises a left outer tensioning and tamping drive device 12, a left outer tamping arm 13 and a left outer tamping pick 14, wherein the right end of the left outer tensioning and tamping drive device 12 is hinged to a first eccentric shaft 6, specifically, the right end of the left outer tensioning and tamping drive device 12 is connected with a left outer tensioning and tamping seat 24, the left outer tensioning and tamping seat 24 is hinged to the first eccentric shaft 6 through a bearing, the left end of the left outer tensioning and tamping arm is hinged to the upper end of the left outer tensioning and tamping arm 13, the upper end of the left outer tamping pick 14 is connected with the lower end of the left outer tamping arm 13, and the left outer tamping arm 13 is hinged to the bottom of a support;
the left inner tensioning driving device 15, the left inner tamping arm 16 and the left inner tamping pick 17 are hinged, the right end of the left inner tensioning driving device 15 is hinged with the third eccentric shaft 8, the left end of the left inner tensioning driving device is hinged with the upper end of the left inner tamping arm 16, the upper end of the left inner tamping pick 17 is connected with the lower end of the left inner tamping arm 16, and the left inner tamping arm 16 is hinged to the bottom of the support;
the left end of the right outer opening and closing driving device 18 is hinged with the second eccentric shaft 7, specifically, the left end of the right outer opening and closing driving device 18 is connected with a right outer opening and closing mounting seat 25, the right outer opening and closing mounting seat 25 is hinged on the second eccentric shaft 7 through a bearing, the right end of the right outer opening and closing driving device is hinged with the upper end of the right outer tamping arm 19, the upper end of the right outer tamping pick 20 is connected with the lower end of the right outer tamping arm 19, and the right outer tamping arm 19 is hinged to the bottom of the support;
the right inner tensioning driving device 21, the right inner tamping arm 22 and the right inner tamping pick 23 are hinged to the fourth eccentric shaft 9, the right end of the right inner tensioning driving device 21 is hinged to the upper end of the right inner tamping arm 22, the upper end of the right inner tamping pick 23 is connected with the lower end of the right inner tamping arm 22, and the right inner tamping arm 22 is hinged to the bottom of the support.
The front side of the bottom of the box body 1 can be provided with a front hinged support 4, the rear side is provided with a rear hinged support 5, the front hinged support 4 extends forwards, the rear hinged support 5 extends backwards, the tail end of the front hinged support 4 is provided with a left outer hinged hole 4-1 for hinging the left outer tamping arm 13, the root of the front hinged support 4 is provided with a left inner hinged hole 4-2 for hinging the left inner tamping arm 16, the tail end of the rear hinged support is provided with a right outer hinged hole 5-1 for hinging the right outer tamping arm 19, and the root of the rear hinged support 5 is provided with a right inner hinged hole 5-2 for hinging the right inner tamping arm 22.
In a specific working process, the first excitation device I, the second excitation device II, the third excitation device III and the fourth excitation device IV are used for generating rotary simple harmonic vibration with certain amplitude, the left outer opening and closing driving device 12, the left inner opening and closing driving device 15, the right outer opening and closing driving device 18 and the right inner opening and closing driving device 21 provide reciprocating linear displacement motion, simple harmonic vibration and reciprocating swing of the left outer tamping arm 13, the left inner tamping arm 16, the right outer tamping arm 19 and the right inner tamping arm 22 are achieved, and tamping of the tamping pickaxe on the bottom ballast of the sleepers on the two sides of the track is further achieved.
In the above embodiment, the left outer opening and closing driving device 12, the left inner opening and closing driving device 15, the right outer opening and closing driving device 18 and the right inner opening and closing driving device 21 are respectively connected to the corresponding eccentric shafts, which is convenient for the disassembly, assembly and maintenance of the opening and closing driving devices, for example, when one of the opening and closing driving devices is damaged, the opening and closing driving device can be detached alone without detaching the other opening and closing driving devices, thereby reducing the labor intensity and improving the working efficiency. In addition, the inner tamping arm and the outer tamping arm which are used for tamping the same ballast are positioned on the same side, so that the influence on a group of tamping arms on the other side can be avoided.
In some embodiments of the present application, each of the left outer opening and closing driving device 12 and the right outer opening and closing driving device 18 includes a position adjusting device 26 for adjusting the movement displacement thereof, the opening and closing width of the outer tamping arm can be adjusted by the position adjusting device 26, so as to adapt to tamping operations of different sleeper spacings of a track, and the position adjusting device 26 includes at least one of a displacement sensor, a widening block and a cylinder.
In some embodiments of the present application, each of the left bearing mount 2 and the right bearing mount 3 includes an upper mount 2-1, a middle mount 2-2, and a bottom mount 2-3, the upper mount 2-1, the middle mount 2-2, and the bottom mount 2-3 are detachably connected in sequence from top to bottom, two ends of the upper mount 2-1 can be respectively mounted on the box 1 and the middle mount 2-2 by screws, the middle mount 2-2 can be mounted on the bottom mount 2-3 by screws, the upper left bearing mount 2-4 and the upper right bearing mount 2-2 are disposed between the upper mount 2-1 and the middle mount 2-2, and the lower left bearing mount 2-5 and the lower right bearing mount 2-3 are disposed between the middle mount 2-2 and the bottom mount 2-3. As shown in FIG. 7, a lubricating oil path 2-2-1 can be arranged on the middle mounting seat 2-2 to lubricate the bearing on the eccentric shaft, thereby prolonging the service life of the eccentric shaft.
In some embodiments of the present application, one of the first eccentric shaft 6, the second eccentric shaft 7, the third eccentric shaft 8 and the fourth eccentric shaft 9 is an input shaft, and the rest are output shafts, and the input shaft and the output shafts are connected through a transmission member, which may be a gear, a belt or a coupling.
Specifically, as shown in fig. 2, the transmission member comprises an upper gear 10 and a lower gear 11, both ends of the upper gear 10 are connected with the first eccentric shaft 6 and the second eccentric shaft 7, respectively; or the upper gear 10 is connected to the first eccentric shaft 6 or the second eccentric shaft 7, and the first eccentric shaft 6 and the first eccentric shaft 7 are fixedly connected, for example, a coupling connection can be adopted; two ends of the lower gear 11 are respectively connected with the third eccentric shaft 8 and the fourth eccentric shaft 9; alternatively, the lower gear 11 is connected to the third eccentric shaft 8 or the fourth eccentric shaft 9, and the third eccentric shaft 8 and the fourth eccentric shaft 9 are fixedly connected, for example, by a coupling connection, and the upper gear 10 and the lower gear 11 are engaged. The upper gear 10 and the lower gear 11 are positioned in the box body 1, the upper part of the box body 1 is provided with an oil filling breathing port 1-1, and the bottom is provided with an oil discharging screw plug 1-2. One of the first eccentric shaft 6, the second eccentric shaft 7, the third eccentric shaft 8, and the fourth eccentric shaft 9 is an input shaft. The positive line double sleeper tamping unit further comprises a vibration driver 29, the vibration driver 29 being fixed to a driver mounting base 30, the vibration driver 29 being connected to the input shaft by a drive coupling 31. The vibration driver 29 is a hydraulic motor, an electric motor, or a pneumatic motor. Different vibration frequencies of the vibration excitation device can be realized by adjusting the rotating speeds of different driving input shafts. The upper gear 10 and the lower gear 11 can be assembled in a detachable connection mode respectively, and different vibration frequencies of the upper vibration excitation device and the lower vibration excitation device can be realized by changing the transmission ratio of the upper gear 10 and the lower gear 11. By adjusting the eccentricity of the upper eccentric shaft and the lower eccentric shaft, different vibration amplitudes of the upper vibration excitation device and the lower vibration excitation device can be realized. The upper part vibration exciting devices refer to a first vibration exciting device I and a second vibration exciting device II, the lower part vibration exciting devices refer to a third vibration exciting device III and a fourth vibration exciting device IV, the upper part eccentric shafts refer to a first eccentric shaft 6 and a second eccentric shaft 7, and the lower part eccentric shafts refer to a third eccentric shaft 8 and a fourth eccentric shaft 9.
Further, as shown in fig. 5 and 6, a first flywheel 27 is disposed on an end of the third eccentric shaft 8 away from the lower gear 11, and a second flywheel 28 is disposed on an end of the fourth eccentric shaft 9 away from the lower gear 11, so that the first flywheel 27 and the second flywheel 28 can be used for energy storage.
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.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A positive line double-sleeper tamping device, characterized by, includes:
the bearing mounting device comprises a rack, wherein an upper bearing mounting hole and a lower bearing mounting hole are formed in the rack;
the first eccentric shaft of the first vibration excitation device and the second eccentric shaft of the second vibration excitation device are hinged to the upper bearing mounting hole through an upper bearing;
the third eccentric shaft of the third vibration excitation device and the fourth eccentric shaft of the fourth vibration excitation device are hinged to the lower bearing mounting hole through a lower bearing;
the first eccentric shaft and the second eccentric shaft are two independent eccentric shafts or are an integrated eccentric shaft;
the third eccentric shaft and the fourth eccentric shaft are two independent eccentric shafts or an integrated eccentric shaft.
2. The positive line double bolster tamping device of claim 1, wherein the bracket includes a box, a left side bearing mount and a right side bearing mount, the left side bearing mount located on a left side of the box, the right side bearing mount located on a right side of the box;
the upper bearing mounting holes comprise a left upper bearing mounting hole formed in the left side wall of the box body and the upper part of the left bearing mounting seat, and a right upper bearing mounting hole formed in the right side wall of the box body and the upper part of the right bearing mounting seat, two ends of the first eccentric shaft are mounted in the left upper bearing mounting holes, and two ends of the second eccentric shaft are mounted in the right upper bearing mounting holes;
the lower bearing mounting hole comprises a left lower bearing mounting hole arranged on the left side wall of the box body and the lower part of the left bearing mounting seat and a right lower bearing mounting hole arranged on the right side wall of the box body and the lower part of the right bearing mounting seat, two ends of the third eccentric shaft are mounted in the left lower bearing mounting hole, and two ends of the fourth eccentric shaft are mounted in the right lower bearing mounting hole.
3. The main track double-sleeper tamping apparatus according to claim 2, wherein said left bearing mounting seat and said right bearing mounting seat each include an upper mounting seat, a middle mounting seat and a bottom mounting seat, said upper mounting seat, said middle mounting seat and said bottom mounting seat being detachably connected in sequence from top to bottom, said upper left bearing mounting hole and said upper right bearing mounting hole being disposed between said upper mounting seat and said middle mounting seat, said lower left bearing mounting hole and said lower right bearing mounting hole being disposed between said middle mounting seat and said bottom mounting seat.
4. The positive line double pillow tamping apparatus according to claim 1, wherein one of said first, second, third and fourth eccentric shafts is an input shaft and the others are output shafts, and said input shaft and said output shafts are connected by a transmission member.
5. The main track double bolster tamping unit of claim 4, wherein said transmission member includes an upper gear and a lower gear, both ends of said upper gear being connected to said first eccentric shaft and said second eccentric shaft, respectively; or the upper gear is connected to the first eccentric shaft or the second eccentric shaft, and the first eccentric shaft is fixedly connected with the first eccentric shaft; two ends of the lower gear are respectively connected with the third eccentric shaft and the fourth eccentric shaft; or the lower gear is connected to the third eccentric shaft or the fourth eccentric shaft, the third eccentric shaft and the fourth eccentric shaft are fixedly connected, the upper gear is meshed with the lower gear, and one of the first eccentric shaft, the second eccentric shaft, the third eccentric shaft and the fourth eccentric shaft is an input shaft.
6. The main track double bolster tamping unit of claim 5, wherein a first flywheel is provided on an end of said third eccentric shaft distal from said lower gear, and a second flywheel is provided on an end of said fourth eccentric shaft distal from said lower gear.
7. The main track twin bolster tamping apparatus of claim 5, further comprising a vibratory drive connected to the input shaft by a drive coupling.
8. The positive line double pillow tamping device according to claim 1, wherein the upper portion of the box body is provided with an oil filling breathing port, and the bottom portion is provided with an oil drain plug screw.
9. The main track double-sleeper tamping device according to any one of claims 1 to 8, further comprising:
the left outer tensioning driving device is hinged to the first eccentric shaft, the left end of the left outer tensioning driving device is hinged to the upper end of the left outer tamping arm, the upper end of the left outer tamping pick is connected with the lower end of the left outer tamping arm, and the left outer tamping arm is hinged to the bottom of the rack;
the left inner tensioning driving device is hinged to the third eccentric shaft, the left end of the left inner tensioning driving device is hinged to the upper end of the left inner tamping arm, the upper end of the left inner tamping pick is connected with the lower end of the left inner tamping arm, and the left inner tamping arm is hinged to the bottom of the rack;
the left end of the right outer tensioning driving device is hinged with the second eccentric shaft, the right end of the right outer tensioning driving device is hinged with the upper end of the right outer tamping arm, the upper end of the right outer tamping pick is connected with the lower end of the right outer tamping arm, and the right outer tamping arm is hinged to the bottom of the rack;
the left end of the right inner opening and closing driving device is hinged to the fourth eccentric shaft, the right end of the right inner opening and closing driving device is hinged to the upper end of the right inner tamping arm, the upper end of the right inner tamping pick is connected with the lower end of the right inner tamping arm, and the right inner tamping arm is hinged to the bottom of the rack.
10. The positive line double bolster tamping device of claim 9, wherein the left outer tensioning drive and the right outer tensioning drive each include a position adjustment device for adjusting the displacement of movement thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310090175.5A CN115976892A (en) | 2023-02-01 | 2023-02-01 | Positive line double-pillow tamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310090175.5A CN115976892A (en) | 2023-02-01 | 2023-02-01 | Positive line double-pillow tamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115976892A true CN115976892A (en) | 2023-04-18 |
Family
ID=85970342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310090175.5A Pending CN115976892A (en) | 2023-02-01 | 2023-02-01 | Positive line double-pillow tamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115976892A (en) |
-
2023
- 2023-02-01 CN CN202310090175.5A patent/CN115976892A/en active Pending
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