CN112160200A

CN112160200A - Three-pillow tamping device

Info

Publication number: CN112160200A
Application number: CN202011134090.5A
Authority: CN
Inventors: ***; 杨晓梅; 刘刚; 叶永钦; 王林; 符朗; 张燕飞; 王红兵; 汪宏; 吕维礼
Original assignee: CRCC High Tech Equipment Corp Ltd
Current assignee: CRCC High Tech Equipment Corp Ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-01-01

Abstract

The invention relates to the technical field of railway maintenance machinery, in particular to a three-sleeper tamping device. The three-sleeper tamping device comprises a rack, at least one vibration excitation device, at least two opening and closing driving devices, a tamping arm and at least two tamping arm transmission devices; the vibration excitation device is arranged on the rack and is connected with one end part of the opening and closing driving device; the other end of the opening and closing driving device is hinged with the top of the tamping arm; the tamping arm transmission device is hinged between the tamping arms; the tamping arms are arranged along the vertical direction, the bottom ends of the tamping arms are provided with tamping picks, and the middle parts of the tamping arms are hinged to the rack through fixed hinged points and can rotate around hinged points of the rack. The three-sleeper tamping device has the characteristics of simple structure, small number of parts and low manufacturing cost.

Description

Three-pillow tamping device

Technical Field

The application relates to the technical field of railway maintenance machinery, in particular to a three-sleeper tamping device.

Background

The tamping operation is one of main works for maintaining the ballast railway track bed, the stability of the railway track bed can be effectively improved through tamping, and the running safety of a train is ensured. In order to improve the tamping operation efficiency and ensure that the tamping device can adapt to railway track beds with different sleeper distances, the maximum sleeper number capable of simultaneously tamping in one time is three sleepers in the tamping operation of the main track, namely the tamping device with three sleepers is adopted for operation. The three-sleeper tamping device that is widely used at present adopts eccentric shaft connecting rod formula of swaying vibration principle, and wherein every tamping arm all is connected to the eccentric shaft, transmits the excitation that the eccentric shaft produced to the tamping pick.

In order to realize the three-sleeper tamping, a plurality of eccentric shafts and a plurality of clamping cylinders are usually adopted, so that the three-sleeper tamping device has the problems of complex structure, more parts and high manufacturing cost.

Disclosure of Invention

The embodiment of the application provides a three-sleeper tamping device which is simple in structure, small in number of parts and low in manufacturing cost.

The embodiment of the application provides a three-sleeper tamping device, which comprises a rack, at least one vibration excitation device, at least two opening and closing driving devices, a tamping arm and at least two tamping arm transmission devices, wherein the vibration excitation device is arranged on the rack;

the vibration excitation device is arranged on the rack and is connected with one end part of the opening and closing driving device;

the other end of the opening and closing driving device is hinged with the tamping arm;

the tamping arm transmission device is hinged between the tamping arms;

the bottom end of the tamping arm is provided with a tamping pick, and the middle part of the tamping pick is hinged to the rack through a fixed hinged point and can rotate around a hinged point with the rack.

Adopt the three pillow tamping devices that provide in this application embodiment, have following beneficial effect:

in the three-sleeper tamping device, the vibration exciting device generates vibration, the opening and closing driving device generates opening and closing control to generate clamping action on the tamping arms, the vibration generated by the vibration exciting device is transmitted to the tamping arms through the opening and closing driving device, and the tamping arms perform vibration transmission and clamping control through the tamping arm transmission device, so that the vibration is transmitted to the tamping pickaxe at the bottom end of the tamping arms; the three-sleeper tamping device can complete vibration transmission and clamping actions through fewer vibration exciting devices, opening and closing driving devices, tamping arms and tamping arm transmission devices, and therefore the three-sleeper tamping device has the advantages of being simple in structure, few in number of parts and low in manufacturing cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of a first embodiment of a three-sleeper tamping apparatus provided herein;

fig. 2 is a schematic structural view of a second embodiment of a three-sleeper tamping apparatus provided in the present application;

fig. 3 is a schematic structural view of a third embodiment of a three-sleeper tamping apparatus provided herein;

fig. 4 is a schematic structural view of a fourth embodiment of a three-sleeper tamping apparatus provided herein;

fig. 5 is a schematic structural view of a fifth embodiment of a three-sleeper tamping apparatus provided by the present application;

fig. 6 is a schematic structural view of a sixth embodiment of a three-sleeper tamping apparatus provided herein;

fig. 7 is a schematic structural view of a seventh embodiment of a three-pillow tamping apparatus provided herein;

fig. 8 is a schematic structural view of an eighth embodiment of a three-sleeper tamping apparatus provided by the present application;

fig. 9 is a schematic structural diagram of a three-pillow tamping apparatus according to an embodiment nine provided by the present application.

Reference numerals:

1-a frame; 2-a vibration excitation device; 3-a first outside opening and closing driving device; 4-a second outside opening and closing driving device; 5-a first inner side opening and closing driving device; 6-a second inner side opening and closing driving device; 7-a first primary tamping arm; 8-a second primary tamping arm; 9-a third stage tamping arm; 10-a fourth primary tamping arm; 11-first secondary tamping arm; 12-a second secondary tamping arm; 13-a first tertiary tamping arm; 14-a second tertiary tamping arm; 15-fixed hinge point; 16-a first tamping arm transmission; 17-a second tamping arm transmission; 18-third tamping arm transmission; 19-a fourth tamping arm transmission; 20-a first excitation device; 21-a second excitation device; 22-a first tamping pick; 23-a second tamping pick; 24-a third tamping pick; 25-a fourth tamping pick; 26-a fifth tamping pick; 27-a sixth tamping pick; 28-a first sleeper; 29-a second sleeper; 30-a third sleeper; 31-excitation type opening and closing driving device; 32-a first excitation type opening and closing driving device; 33-second excitation type opening and closing driving device.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the specific embodiment, the manner of symmetrically arranging the components is only one implementation manner, and may also be an arrangement manner that is not completely symmetrical; in the detailed description, the orientation or positional relationship indicated with respect to the horizontal, the inclination, and the like is based on the orientation or positional relationship shown in the drawings only for convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

The embodiment of the application provides a three-sleeper tamping device, as shown in the structures of fig. 1 to 9, the three-sleeper tamping device comprises a rack 1, at least one vibration excitation device 2, at least two opening and closing driving devices, a tamping arm and at least two tamping arm transmission devices; as shown in fig. 1, 2 and 4, in each of the three sleeper tamping apparatuses, two vibration excitation units, i.e., a first vibration excitation device 20 and a second vibration excitation device 21, are provided; as shown in the structures of fig. 3 and 5, a vibration excitation unit is arranged in each of the three tamping units; as shown in fig. 6, 7 and 9, two excitation type opening and closing driving devices 31, namely, a first excitation type opening and closing driving device 32 and a second excitation type opening and closing driving device 33 are respectively arranged in the three-sleeper tamping device, and the excitation type opening and closing driving devices 31 are integrally formed by an excitation unit and an opening and closing driving device; as shown in the structure of fig. 8, a vibration exciting type opening and closing driving device 31 is arranged in the three-sleeper tamping device, and the vibration exciting type opening and closing driving device 31 is integrally formed by a vibration exciting unit and an opening and closing driving device;

the vibration excitation device 2 is arranged on the frame 1 and is connected with one end part of the opening and closing driving device; in each embodiment of the present application, for convenience of explanation, as shown in fig. 1, 2, and 4, when two excitation devices 2 are provided in a three-sleeper tamping apparatus, the two excitation devices 2 are defined as a first excitation device 20 and a second excitation device 21, respectively; the excitation device 2 can be a mechanical vibration exciter, a hydraulic vibration exciter, an electromagnetic vibration exciter or an electrohydraulic vibration exciter; when the excitation device 2 is a mechanical type excitation exciter, the excitation device 2 adopts an eccentric excitation mode, and the eccentric rotation direction adopts a horizontal arrangement mode or a vertical arrangement mode;

the other end of the opening and closing driving device is hinged with the tamping arm, preferably the top of the tamping arm; the opening and closing driving device is connected between the excitation device 2 and the tamping arm, is used for transmitting excitation generated by the excitation device 2 and has the function of controlling the opening and closing of the tamping arm; the opening and closing control of the opening and closing driving device can adopt an oil cylinder as a power source; as shown in the structure of fig. 1, 4 and 5, the opening and closing driving device includes a first inner opening and closing driving device 5 and a second inner opening and closing driving device 6 which are symmetrically arranged, and a first outer opening and closing driving device 3 and a second outer opening and closing driving device 4 which are symmetrically arranged; the first inner side opening and closing driving device 5, the second inner side opening and closing driving device 6, the first outer side opening and closing driving device 3 and the second outer side opening and closing driving device 4 are respectively hinged with one tamping arm; as shown in the structure of fig. 1, a first outer opening and closing driving device 3 is hinged to a first primary tamping arm 7, a first inner opening and closing driving device 5 is hinged to a second primary tamping arm 8, a second inner opening and closing driving device 6 is hinged to a third primary tamping arm 9, and a second outer opening and closing driving device 4 is hinged to a fourth primary tamping arm 10; the first primary tamping arm 7 and the second primary tamping arm 8 are configured in pairs, and the clamping action of the first primary tamping arm 7 and the second primary tamping arm 8 can be realized through the control of the first inner side opening and closing driving device 5 and the first outer side opening and closing driving device 3; the third-stage tamping arm 9 and the fourth-stage tamping arm 10 are arranged in pairs, and the clamping action of the third-stage tamping arm 9 and the fourth-stage tamping arm 10 can be realized through the control of the second inner side opening and closing driving device 6 and the second outer side opening and closing driving device 4;

the tamping arm transmission device is hinged between the tamping arms; as shown in the structure of fig. 1, a tamping arm transmission device is hinged between the first primary tamping arm 7 and the first secondary tamping arm 11, and between the second secondary tamping arm 12 and the fourth primary tamping arm 10, and the vibration generated by the vibration exciting device 2 and the opening and closing control generated by the opening and closing driving device are transmitted to the first secondary tamping arm 11 through the first primary tamping arm 7 and transmitted to the second secondary tamping arm 12 through the fourth primary tamping arm 10 through the tamping arm transmission device; as shown in the structure of fig. 2, tamping arm transmission devices for transmitting vibration and controlling opening and closing are arranged between the first primary tamping arm 7 and the first secondary tamping arm 11, between the first secondary tamping arm 11 and the first tertiary tamping arm 13, between the second primary tamping arm 8 and the second secondary tamping arm 12, and between the second secondary tamping arm 12 and the second tertiary tamping arm 14; for ease of illustration and distinction, each of the tamping arm transmissions may be defined as a first tamping arm transmission 16, a second tamping arm transmission 17, a third tamping arm transmission 18, and a fourth tamping arm transmission 19; the tamping arm transmission device can be a connecting rod, and the length of the connecting rod is fixed or adjustable;

the bottom end of each tamping arm is provided with a tamping pick, preferably, the tamping arms are arranged along the vertical direction, the bottom ends of the tamping arms are provided with the tamping picks, and the middle parts of the tamping arms are hinged to the rack 1 through a fixed hinged point 15 and can rotate around a hinged point with the rack 1; according to different vibration transmission paths of the tamping arms, the tamping arms can be divided into two-stage tamping arms and three-stage tamping arms; as shown in the structure of fig. 1, the tamping arms include a first primary tamping arm 7, a second primary tamping arm 8, a third primary tamping arm 9, a fourth primary tamping arm 10, a first secondary tamping arm 11 and a second secondary tamping arm 12; as shown in the structure of fig. 2, the tamping arms include a first primary tamping arm 7, a second primary tamping arm 8, a first secondary tamping arm 11, a second secondary tamping arm 12, a first tertiary tamping arm 13 and a second tertiary tamping arm 14.

Meanwhile, for convenience of explanation, three sleepers, a first sleeper 28, a second sleeper 29 and a third sleeper 30, are also shown in fig. 1 to 9.

The working principle of the three-pillow tamping device is as follows: the vibration excitation device 2 generates vibration which is transmitted to each tamping arm through the opening and closing driving device, so that the tamping pickaxes arranged on each tamping arm vibrate; the tamping arms can comprise a first-stage tamping arm and a second-stage tamping arm, and can also comprise a first-stage tamping arm, a second-stage tamping arm and a third-stage tamping arm; the opening and closing driving device transmits vibration generated by the vibration excitation device 2 to the first-stage tamping arm, the first-stage tamping arm transmits the vibration to the second-stage tamping arm through the tamping arm transmission device, and the second-stage tamping arm transmits the vibration to the third-stage tamping arm through the tamping arm transmission device, so that tamping picks arranged on the first-stage tamping arm, the second-stage tamping arm and the third-stage tamping arm vibrate; simultaneously, through opening and closing drive arrangement drive one-level tamping arm and rotating for install in the tamping pick that one-level tamped the arm and produce the centre gripping action, the rotary motion of one-level tamping arm transmits second grade tamping arm and tertiary tamping arm through tamping arm transmission, makes second grade tamping arm and tertiary tamping arm homoenergetic produce the centre gripping action, thereby realizes the centre gripping action of all tamping picks, smashes the relative centre gripping action of arm cooperation realization tamping pick through each.

In the three-sleeper tamping device, the vibration exciting device 2 generates vibration, the opening and closing driving device generates opening and closing to control the tamping arms to generate clamping action, the vibration generated by the vibration exciting device 2 is transmitted to the tamping arms through the opening and closing driving device, and the tamping arms perform vibration transmission and clamping control through the tamping arm transmission device, so that the vibration is transmitted to the tamping pickaxe at the bottom end of the tamping arms; the three-sleeper tamping device can complete vibration transmission and clamping actions through the vibration exciting devices 2, the opening and closing driving devices, the tamping arms and the tamping arm transmission devices which are small in number, so that the three-sleeper tamping device has the advantages of being simple in structure, small in number of parts and low in manufacturing cost.

The three-pillow tamping device can be divided into the following specific embodiments for detailed description according to different adopted specific structures:

example one

As shown in the structure of fig. 1, the excitation device 2 includes a first excitation device 20 and a second excitation device 21 which are symmetrically arranged; the opening and closing driving device comprises a first outer opening and closing driving device 3 and a second outer opening and closing driving device 4 which are symmetrically arranged, and a first inner opening and closing driving device 5 and a second inner opening and closing driving device 6 which are symmetrically arranged; the tamping arm transmission device comprises a first tamping arm transmission device 16 and a second tamping arm transmission device 17 which are symmetrically arranged; the tamping arms comprise a first primary tamping arm 7, a second primary tamping arm 8, a third primary tamping arm 9, a fourth primary tamping arm 10, a first secondary tamping arm 11 and a second secondary tamping arm 12; the first outer opening and closing driving device 3 and the second outer opening and closing driving device 4 are arranged along the horizontal direction; one end of the first outer opening and closing driving device 3 is connected to the first vibration excitation device 20, and the other end of the first outer opening and closing driving device is hinged to the first primary tamping arm 7; one end of the second outer opening and closing driving device 4 is connected to the second vibration excitation device 21, and the other end of the second outer opening and closing driving device is hinged to the fourth-stage tamping arm 10; the first inner side opening and closing driving device 5 and the second inner side opening and closing driving device 6 are obliquely arranged along the vertical direction; one end (top end shown in fig. 1) of the first inner opening and closing driving device 5 is connected to a first vibration excitation device 20 (bottom end shown in fig. 1), and the other end is hinged to the second primary tamping arm 8; one end (top end shown in fig. 1) of the second inner opening and closing driving device 6 is connected to a second vibration excitation device 21 (bottom end shown in fig. 1), and the other end is hinged to the third-stage tamping arm 9; a first secondary tamping arm 11 is arranged between the first primary tamping arm 7 and the second primary tamping arm 8, the top end of the first secondary tamping arm 11 is hinged to the first primary tamping arm 7 through a first tamping arm transmission device 16, and a movable hinge point of the first tamping arm transmission device 16 and the first primary tamping arm 7 is positioned between the fixed hinge point 15 and the first outer side opening and closing driving device 3; a second-stage tamping arm 12 is arranged between the third-stage tamping arm 9 and the fourth-stage tamping arm 10, the top end of the second-stage tamping arm 12 is hinged to the fourth-stage tamping arm 10 through a second tamping arm transmission device 17, and the movable hinged point of the second tamping arm transmission device 17 and the fourth-stage tamping arm 10 is located between the fixed hinged point 15 and the second outside opening and closing driving device 4.

In the working process of the three-sleeper tamping device, when the first outer opening and closing driving device 3, the second outer opening and closing driving device 4, the first inner opening and closing driving device 5 and the second inner opening and closing driving device 6 are opened, the first tamping pick 22 and the third tamping pick 24 are clamped towards the first sleeper 28, the second tamping pick 23 and the fifth tamping pick 26 are clamped towards the second sleeper 29, and the fourth tamping pick 25 and the sixth tamping pick 27 are clamped towards the third sleeper 30, at the moment, the pickets of the first tamping pick 22 and the third tamping pick 24 are oppositely arranged, so that the first sleeper 28 is tamped, the second tamping pick 23 and the pickets of the fifth tamping pick 26 are oppositely arranged, so that the second sleeper 29 is tamped, the fourth tamping pick 25 and the pickets of the sixth tamping pick 27 are oppositely arranged, so that the third sleeper 30 is tamped; therefore, the three-sleeper tamping device with the structure can simultaneously carry out tamping operation on three sleepers.

As shown in fig. 6, the first excitation device 20, the first inner opening/closing drive device 5, and the first outer opening/closing drive device 3 are integrated to form a first excitation type opening/closing drive device 32; the second excitation device 21, the second inner opening/closing drive device 6, and the second outer opening/closing drive device 4 are integrally configured, and constitute a second excitation type opening/closing drive device 33.

Because the first excitation type opening and closing driving device 32 is adopted to replace the first excitation device 20, the first inner side opening and closing driving device 5 and the first outer side opening and closing driving device 3, and the second excitation type opening and closing driving device 33 is adopted to replace the second excitation device 21, the second inner side opening and closing driving device 6 and the second outer side opening and closing driving device 4, the structure of the three-pillow tamping device is simpler.

Example two

As shown in the configuration of fig. 2, the excitation device 2 includes a first excitation device 20 and a second excitation device 21 which are symmetrically arranged; the opening and closing driving device comprises a first outer opening and closing driving device 3 and a second outer opening and closing driving device 4 which are symmetrically arranged; the tamping arm transmission device comprises a first tamping arm transmission device 16 and a second tamping arm transmission device 17 which are symmetrically arranged, and a third tamping arm transmission device 18 and a fourth tamping arm transmission device 19 which are symmetrically arranged; the tamping arms comprise a first primary tamping arm 7, a second primary tamping arm 8, a first secondary tamping arm 11, a second secondary tamping arm 12, a first tertiary tamping arm 13 and a second tertiary tamping arm 14; the first outer opening and closing driving device 3 and the second outer opening and closing driving device 4 are arranged along the horizontal direction; one end of the first outer opening and closing driving device 3 is connected to the first vibration excitation device 20, and the other end of the first outer opening and closing driving device is hinged to the first primary tamping arm 7; one end of the second outer opening and closing driving device 4 is connected to the second vibration excitation device 21, and the other end of the second outer opening and closing driving device is hinged to the second primary tamping arm 8; a first second-level tamping arm 11, a first third-level tamping arm 13, a second third-level tamping arm 14 and a second-level tamping arm 12 are sequentially arranged on one side, facing the second first-level tamping arm 8, of the first primary tamping arm 7; the top end of the first secondary tamping arm 11 is hinged to the first primary tamping arm 7 through a first tamping arm transmission device 16, and the top end of the second secondary tamping arm 12 is hinged to the second primary tamping arm 8 through a second tamping arm transmission device 17; the top end of the first third-stage tamping arm 13 is hinged to the first second-stage tamping arm 11 via a third tamping arm transmission 18, and the top end of the second third-stage tamping arm 14 is hinged to the second-stage tamping arm 12 via a fourth tamping arm transmission 19.

In the working process of the three-sleeper tamping device, when the first outer opening and closing driving device 3 and the second outer opening and closing driving device 4 are opened, the first tamping pick 22 and the third tamping pick 24 are clamped towards the first sleeper 28, the second tamping pick 23 and the fifth tamping pick 26 are clamped towards the second sleeper 29, and the fourth tamping pick 25 and the sixth tamping pick 27 are clamped towards the third sleeper 30, at the moment, the first tamping pick 22 and the pickaxe palm of the third tamping pick 24 are oppositely arranged to tamp the first sleeper 28, the second tamping pick 23 and the pickaxe palm of the fifth tamping pick 26 are oppositely arranged to tamp the second sleeper 29, and the fourth tamping pick 25 and the pickaxe palm of the sixth tamping pick 27 are oppositely arranged to tamp the third sleeper 30, so that three sleepers can be simultaneously tamped.

As shown in fig. 7, the first excitation device 20 and the first outer opening/closing drive device 3 are integrally configured, and constitute a first excitation type opening/closing drive device 32; the second excitation device 21 and the second outside opening/closing drive device 4 are integrally configured, and constitute a second excitation type opening/closing drive device 33.

Because the first excitation type opening and closing driving device 32 is adopted to replace the first excitation device 20 and the first outer side opening and closing driving device 3, and the second excitation type opening and closing driving device 33 is adopted to replace the second excitation device 21 and the second outer side opening and closing driving device 4, the structure of the three-pillow tamping device is simpler.

EXAMPLE III

As shown in the structure of fig. 3, the three-sleeper tamping device comprises one vibration excitation device; the opening and closing driving device comprises a first outer opening and closing driving device 3 and a second outer opening and closing driving device 4 which are symmetrically arranged; the tamping arm transmission device comprises a first tamping arm transmission device 16 and a second tamping arm transmission device 17 which are symmetrically arranged, and a third tamping arm transmission device 18 and a fourth tamping arm transmission device 19 which are symmetrically arranged; the tamping arms comprise a first primary tamping arm 7, a second primary tamping arm 8, a first secondary tamping arm 11, a second secondary tamping arm 12, a first tertiary tamping arm 13 and a second tertiary tamping arm 14; the first outer opening and closing driving device 3 and the second outer opening and closing driving device 4 are arranged along the horizontal direction; one end of the first outer opening and closing driving device 3 is connected to the vibration excitation device 2, and the other end of the first outer opening and closing driving device is hinged to the first primary tamping arm 7; one end of the second outer side opening and closing driving device 4 is connected to the vibration excitation device 2, and the other end of the second outer side opening and closing driving device is hinged to the second primary tamping arm 8; a first second-level tamping arm 11, a first third-level tamping arm 13, a second third-level tamping arm 14 and a second-level tamping arm 12 are sequentially arranged on one side, facing the second first-level tamping arm 8, of the first primary tamping arm 7; the top end of the first secondary tamping arm 11 is hinged to the first primary tamping arm 7 through a first tamping arm transmission device 16, and the top end of the second secondary tamping arm 12 is hinged to the second primary tamping arm 8 through a second tamping arm transmission device 17; the top end of the first third-stage tamping arm 13 is hinged to the first second-stage tamping arm 11 via a third tamping arm transmission 18, and the top end of the second third-stage tamping arm 14 is hinged to the second-stage tamping arm 12 via a fourth tamping arm transmission 19.

Because the three-pillow tamping device only adopts one vibration excitation device 2, the structure of the three-pillow tamping device is simplified, and meanwhile, the first outer side opening and closing driving device 3 and the second outer side opening and closing driving device 4 are symmetrically arranged on two sides of the vibration excitation device 2, so that the stress of the vibration excitation device 2 can be mutually offset, the service life of the vibration excitation device 2 can be prolonged, and the service life of the three-pillow tamping device can be prolonged.

As shown in fig. 8, the excitation device 2, the first outside opening/closing drive device 3, and the second outside opening/closing drive device 4 are integrally configured, and constitute an excitation type opening/closing drive device 31.

Because the excitation type opening and closing driving device 31 is adopted to replace the excitation device 2, the first outer side opening and closing driving device 3 and the second outer side opening and closing driving device 4, the structure of the three-sleeper tamping device is further simplified.

Example four

As shown in the structure of fig. 4, the excitation device 2 includes a first excitation device 20 and a second excitation device 21 which are distributed along the vertical direction, and the first excitation device 20 is positioned on the top of the second excitation device 21; the opening and closing driving device comprises a first inner side opening and closing driving device 5 and a second inner side opening and closing driving device 6 which are symmetrically arranged, and a first outer side opening and closing driving device 3 and a second outer side opening and closing driving device 4 which are symmetrically arranged; the tamping arm transmission device comprises a first tamping arm transmission device 16 and a second tamping arm transmission device 17 which are symmetrically arranged; the tamping arms comprise a first primary tamping arm 7, a second primary tamping arm 8, a third primary tamping arm 9, a fourth primary tamping arm 10, a first secondary tamping arm 11 and a second secondary tamping arm 12; the first outer opening and closing driving device 3 and the second outer opening and closing driving device 4 are arranged along the horizontal direction and are connected with the first vibration excitation device 20; one end of the first outer opening and closing driving device 3, which is far away from the first vibration excitation device 20, is hinged to the first primary tamping arm 7; one end of the second outer opening and closing driving device 4, which is far away from the first vibration excitation device 20, is hinged to the fourth primary tamping arm 10; the first excitation device 20 is positioned between the first outer opening and closing driving device 3 and the second outer opening and closing driving device 4; the first inner side opening and closing driving device 5 and the second inner side opening and closing driving device 6 are obliquely arranged along the vertical direction; one end (top end shown in fig. 4) of the first inner opening and closing driving device 5 is connected to the second vibration excitation device 21 (bottom end shown in fig. 4), and the other end is hinged to the second primary tamping arm 8; one end (the top end shown in fig. 4) of the second inner side opening and closing driving device 6 is connected to a second vibration excitation device 21 (the bottom end shown in fig. 4), and the other end is hinged to the third-stage tamping arm 9; a first secondary tamping arm 11 is arranged between the first primary tamping arm 7 and the second primary tamping arm 8, the top end of the first secondary tamping arm 11 is hinged to the first primary tamping arm 7 through a first tamping arm transmission device 16, and a movable hinge point of the first tamping arm transmission device 16 and the first primary tamping arm 7 is positioned between the fixed hinge point 15 and the first outer side opening and closing driving device 3; a second-stage tamping arm 12 is arranged between the third-stage tamping arm 9 and the fourth-stage tamping arm 10, the top end of the second-stage tamping arm 12 is hinged to the fourth-stage tamping arm 10 through a second tamping arm transmission device 17, and the movable hinged point of the second tamping arm transmission device 17 and the fourth-stage tamping arm 10 is located between the fixed hinged point 15 and the second outside opening and closing driving device 4.

The first excitation device 20 and the second excitation device 21 of the three-pillow tamping device are arranged in an up-and-down structure, when the third tamping pick 24 and the fourth tamping pick 25 perform clamping actions, the first inner side opening and closing driving device 5 and the second inner side opening and closing driving device 6 need to perform contraction actions, and when the third tamping pick 24 and the fourth tamping pick 25 perform opening actions, the first inner side opening and closing driving device 5 and the second inner side opening and closing driving device 6 need to perform extension actions.

As shown in fig. 9, the first excitation device 20, the first outer opening/closing drive device 3, and the second outer opening/closing drive device 4 are integrated to form a first excitation type opening/closing drive device 32; the second excitation device 21, the first inner opening/closing drive device 5, and the second inner opening/closing drive device 6 are integrated, and constitute a second excitation type opening/closing drive device 33.

In the three-sleeper tamping device, the first excitation type opening and closing driving device 32 and the second excitation type opening and closing driving device 33 are adopted, so that the structure can be further simplified.

EXAMPLE five

As shown in the structure of fig. 5, the three-sleeper tamping device comprises one vibration excitation device; the opening and closing driving device comprises a first inner side opening and closing driving device 5 and a second inner side opening and closing driving device 6 which are symmetrically arranged, and a first outer side opening and closing driving device 3 and a second outer side opening and closing driving device 4 which are symmetrically arranged; the tamping arm transmission device comprises a first tamping arm transmission device 16 and a second tamping arm transmission device 17 which are symmetrically arranged; the tamping arms comprise a first primary tamping arm 7, a second primary tamping arm 8, a third primary tamping arm 9, a fourth primary tamping arm 10, a first secondary tamping arm 11 and a second secondary tamping arm 12; the first outer opening and closing driving device 3 and the second outer opening and closing driving device 4 are arranged along the horizontal direction and are connected with the vibration excitation device 2; one end of the first outer opening and closing driving device 3, which is far away from the vibration excitation device 2, is hinged to a first primary tamping arm 7; one end of the second outer opening and closing driving device 4, which is far away from the vibration excitation device 2, is hinged to a fourth-stage tamping arm 10; the excitation device 2 is positioned between the first outer opening and closing driving device 3 and the second outer opening and closing driving device 4; the first inner side opening and closing driving device 5 and the second inner side opening and closing driving device 6 are obliquely arranged along the vertical direction; one end (the top end shown in fig. 5) of the first inner opening and closing driving device 5 is connected to the vibration excitation device 2 (the bottom end shown in fig. 5), and the other end is hinged to the second primary tamping arm 8; one end (the top end shown in fig. 5) of the second inner side opening and closing driving device 6 is connected to the vibration excitation device 2 (the bottom end shown in fig. 5), and the other end is hinged to the third-stage tamping arm 9; a first secondary tamping arm 11 is arranged between the first primary tamping arm 7 and the second primary tamping arm 8, the top end of the first secondary tamping arm 11 is hinged to the first primary tamping arm 7 through a first tamping arm transmission device 16, and a movable hinge point of the first tamping arm transmission device 16 and the first primary tamping arm 7 is positioned between the fixed hinge point 15 and the first outer side opening and closing driving device 3; a second-stage tamping arm 12 is arranged between the third-stage tamping arm 9 and the fourth-stage tamping arm 10, the top end of the second-stage tamping arm 12 is hinged to the fourth-stage tamping arm 10 through a second tamping arm transmission device 17, and the movable hinged point of the second tamping arm transmission device 17 and the fourth-stage tamping arm 10 is located between the fixed hinged point 15 and the second outside opening and closing driving device 4.

In the basis of the above various embodiments, the three-sleeper tamping apparatus further includes a lifting and inserting mechanism for controlling the frame 1 to lift and insert downwards, and the lifting and inserting mechanism is used for realizing the lifting and inserting actions of the three-sleeper tamping apparatus. The excitation type opening and closing driving device 31, the first excitation type opening and closing driving device 32, or the second excitation type opening and closing driving device 33 may be a hydraulic excitation cylinder.

When the three-sleeper tamping device is applied to the hydraulic vibration excitation tamping device, the hydraulic vibration excitation cylinder is separated from the clamping oil cylinder, the control difficulty and the manufacturing difficulty of the hydraulic vibration excitation cylinder are reduced, and the vibration excitation cylinder and the clamping oil cylinder can be independently maintained, so that the maintenance cost is reduced.

By adopting the structures of the various embodiments, the structure of the three-sleeper tamping device can be simplified, and the number of parts of the three-sleeper tamping device is reduced, so that the reliability of the three-sleeper tamping device is improved, the manufacturing, using and maintaining costs of the three-sleeper tamping device are reduced, and the engineering application value is high.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A three-sleeper tamping device is characterized by comprising a rack, at least one vibration excitation device, at least two opening and closing driving devices, a tamping arm and at least two tamping arm transmission devices;

the tamping arm transmission device is hinged between the tamping arms;

2. The tamping device of claim 1, wherein the excitation device includes a first excitation device and a second excitation device;

the opening and closing driving device comprises a first outer side opening and closing driving device, a second outer side opening and closing driving device, a first inner side opening and closing driving device and a second inner side opening and closing driving device;

the tamping arm transmission device comprises a first tamping arm transmission device and a second tamping arm transmission device;

the tamping arms comprise a first primary tamping arm, a second primary tamping arm, a third primary tamping arm, a fourth primary tamping arm, a first secondary tamping arm and a second secondary tamping arm;

one end of the first outer opening and closing driving device is connected to the first vibration excitation device, and the other end of the first outer opening and closing driving device is hinged to the first primary tamping arm; one end of the second outer side opening and closing driving device is connected to the second vibration excitation device, and the other end of the second outer side opening and closing driving device is hinged to the fourth primary tamping arm;

one end of the first inner side opening and closing driving device is connected to the first vibration excitation device, and the other end of the first inner side opening and closing driving device is hinged to the second primary tamping arm; one end of the second inner side opening and closing driving device is connected to the second vibration excitation device, and the other end of the second inner side opening and closing driving device is hinged to the third primary tamping arm;

the top end of the first secondary tamping arm is hinged to the first primary tamping arm through the first tamping arm transmission device, and a movable hinge point of the first tamping arm transmission device and the first primary tamping arm is located between the fixed hinge point and the first outer side opening and closing driving device;

the top end of the second-stage tamping arm is hinged to the fourth first-stage tamping arm through the second tamping arm transmission device, and a movable hinge point of the second tamping arm transmission device and the fourth first-stage tamping arm is located between the fixed hinge point and the second outer side opening and closing driving device.

3. The tamping device of claim 2, wherein said first vibration generator, said first inner opening/closing actuator and said first outer opening/closing actuator are integrally formed and constitute a first vibration-type opening/closing actuator;

the second excitation device, the second inner side opening and closing driving device and the second outer side opening and closing driving device are of an integral structure and form a second excitation type opening and closing driving device.

4. The tamping device of claim 1, wherein the excitation device includes a first excitation device and a second excitation device;

the opening and closing driving device comprises a first outer side opening and closing driving device and a second outer side opening and closing driving device;

the tamping arm transmission device comprises a first tamping arm transmission device, a second tamping arm transmission device, a third tamping arm transmission device and a fourth tamping arm transmission device;

the tamping arms comprise a first primary tamping arm, a second primary tamping arm, a first secondary tamping arm, a second secondary tamping arm, a first tertiary tamping arm and a second tertiary tamping arm;

one end of the first outer opening and closing driving device is connected to the first vibration excitation device, and the other end of the first outer opening and closing driving device is hinged to the first primary tamping arm; one end of the second outer side opening and closing driving device is connected to the second vibration excitation device, and the other end of the second outer side opening and closing driving device is hinged to the second primary tamping arm;

the first second-stage tamping arm, the first third-stage tamping arm, the second third-stage tamping arm and the second-stage tamping arm are sequentially arranged on one side, facing the second first-stage tamping arm, of the first primary tamping arm; the top end of the first secondary tamping arm is hinged to the first primary tamping arm through the first tamping arm transmission device, and the top end of the second secondary tamping arm is hinged to the second primary tamping arm through the second tamping arm transmission device; the top end of the first third-stage tamping arm is hinged to the first second-stage tamping arm through the third tamping arm transmission device, and the top end of the second third-stage tamping arm is hinged to the second-stage tamping arm through the fourth tamping arm transmission device.

5. The tamping device of claim 4, wherein said first vibration generator and said first outboard opening and closing actuator are integrally formed and form a first vibration-type opening and closing actuator;

the second excitation device and the second outer side opening and closing driving device are of an integral structure and form a second excitation type opening and closing driving device.

6. The tamping device of claim 1, wherein said vibrator includes a first outboard opening and closing actuator and a second outboard opening and closing actuator;

one end of the first outer opening and closing driving device is connected to the vibration excitation device, and the other end of the first outer opening and closing driving device is hinged to the first primary tamping arm; one end of the second outer side opening and closing driving device is connected to the vibration excitation device, and the other end of the second outer side opening and closing driving device is hinged to the second primary tamping arm;

7. The tamping device of claim 6, wherein said vibration generator, said first outer opening/closing actuator and said second outer opening/closing actuator are integrally formed and form a vibration-activated opening/closing actuator.

8. The tamping device of claim 1, wherein the vibration excitation device comprises a first vibration excitation device and a second vibration excitation device distributed in a vertical direction, the first vibration excitation device being positioned on top of the second vibration excitation device;

the opening and closing driving device comprises a first inner side opening and closing driving device, a second inner side opening and closing driving device, a first outer side opening and closing driving device and a second outer side opening and closing driving device;

the first outer side opening and closing driving device and the second outer side opening and closing driving device are connected with the first vibration excitation device; one end, far away from the first vibration excitation device, of the first outer side opening and closing driving device is hinged to the first primary tamping arm; one end, far away from the first vibration excitation device, of the second outer side opening and closing driving device is hinged to the fourth primary tamping arm;

the first excitation device is positioned between the first outer side opening and closing driving device and the second outer side opening and closing driving device;

one end of the first inner side opening and closing driving device is connected to the second vibration excitation device, and the other end of the first inner side opening and closing driving device is hinged to the second primary tamping arm; one end of the second inner side opening and closing driving device is connected to the second vibration excitation device, and the other end of the second inner side opening and closing driving device is hinged to the third primary tamping arm;

the first primary tamping arm and the second primary tamping arm are arranged between the first primary tamping arm and the second primary tamping arm, the top end of the first primary tamping arm is hinged to the first primary tamping arm through the first tamping arm transmission device, and the movable hinge point of the first tamping arm transmission device and the first primary tamping arm is located between the fixed hinge point and the first outer side opening and closing driving device;

the second-stage tamping arm is arranged between the third-stage tamping arm and the fourth-stage tamping arm, the top end of the second-stage tamping arm is hinged to the fourth-stage tamping arm through the second tamping arm transmission device, and the movable hinge point of the second tamping arm transmission device and the fourth-stage tamping arm is located between the fixed hinge point and the second outer side opening and closing driving device.

9. The tamping device of claim 8, wherein said first vibration generator, said first outer opening and closing actuator, and said second outer opening and closing actuator are integrally formed and form a first vibration-type opening and closing actuator;

the second excitation device, the first inner side opening and closing driving device and the second inner side opening and closing driving device are of an integral structure and form a second excitation type opening and closing driving device.

10. The tamping device of claim 1, wherein said tamping device includes one of said vibration generators, said opening and closing drive device including a first inner opening and closing drive device and a second inner opening and closing drive device, and a first outer opening and closing drive device and a second outer opening and closing drive device;

the first outer side opening and closing driving device and the second outer side opening and closing driving device are connected with the vibration excitation device; one end, far away from the vibration excitation device, of the first outer side opening and closing driving device is hinged to the first primary tamping arm; one end, far away from the vibration excitation device, of the second outer side opening and closing driving device is hinged to the fourth primary tamping arm;

the vibration excitation device is positioned between the first outer side opening and closing driving device and the second outer side opening and closing driving device;

one end of the first inner side opening and closing driving device is connected to the vibration excitation device, and the other end of the first inner side opening and closing driving device is hinged to the second primary tamping arm; one end of the second inner side opening and closing driving device is connected to the vibration excitation device, and the other end of the second inner side opening and closing driving device is hinged to the third primary tamping arm;

11. The three-sleeper tamping device of any of claims 1-10, wherein the excitation device is a mechanical exciter, a hydraulic exciter, an electromagnetic exciter, or an electrohydraulic exciter;

when the excitation device is the mechanical exciter, the excitation device adopts an eccentric excitation mode, and the eccentric rotation direction adopts a horizontal arrangement mode or a vertical arrangement mode.

12. The tamping unit of any of claims 1-10, further comprising a lifting and lowering device for controlling the lifting and lowering of the frame;

the opening and closing driving device adopts an oil cylinder as a power source.

13. The tamping unit of any of claims 1-10, wherein said tamping arm drive is a link, said link being fixed or adjustable in length.