CN210591931U

CN210591931U - Pneumatic spring combined switch device

Info

Publication number: CN210591931U
Application number: CN201921475738.8U
Authority: CN
Inventors: 毛湘武; 王胜慧; 李建军; 郭智慧; 孙国建; 郭智薪
Original assignee: Mao Nanxiang
Current assignee: Mao Nanxiang
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-05-22
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a pneumatic spring combination switch device, including box seat (1), be equipped with box (2) on box seat (1), installation swing cylinder (4) in box (2), install swing cylinder axle (20) on swing seat (11) of swing cylinder (4), swing cylinder axle (20) tip installation rotor plate (5), rotor plate (5) comprise rocking arm I (501) and rocking arm II (502) that are the angle, rocking arm I (501) are connected with extension spring (9) one end through rotor plate anchor (10), extension spring (9) are located rotor plate (5) top, rocking arm II (502) are through joint bearing round pin axle (12) installation joint bearing (16), joint bearing (16) are located rotor plate (5) below. The switch device has the advantages of compact structure, reliable positioning, convenient installation and convenient operation, and is further perfection and improvement on underground auxiliary transportation system facilities.

Description

Pneumatic spring combined switch device

Technical Field

The utility model relates to a colliery transportation machinery and processing field specifically are a switch ware that is applied to track transport system in pit in mine.

Background

A switch is a line connection device for a rolling stock to be switched from one track to another, and is one of weak links of a track, and is usually laid in a large number at a station and a marshalling station. The turnout can give full play to the passing capacity of the line, and even if the single-track railway is adopted, the turnout is laid, and a section of fork line with the length larger than that of the train is constructed, so that the train can be split. Turnouts play an important role on railway lines.

At present, along with the gradual upgrading of the standards of the mine rail type transportation control system, new requirements are provided for the upgrading and reconstruction of the updating standards of the control facilities of the transportation system, and the mine rail type transportation control system is safe, standard, reliable in control and convenient to operate and is listed as a standard requirement.

Disclosure of Invention

The utility model aims at providing a novel be applied to switch ware of track transport operation in mine pit.

The utility model discloses an adopt following technical scheme to realize:

a pneumatic spring combined switch device comprises a box body seat, wherein a box body is arranged on the box body seat, a swing cylinder is arranged in the box body, a swing cylinder shaft is arranged on a swing seat of the swing cylinder, a rotating plate is arranged at the end part of the swing cylinder shaft, the rotating plate is composed of a rotating arm I and a rotating arm II which are in an angle shape, the rotating arm I is connected with one end of an extension spring through a rotating plate pull pin, the extension spring is positioned above the rotating plate, the rotating arm II is provided with a joint bearing through a joint bearing pin shaft, and the joint bearing is positioned below the rotating plate; the knuckle bearing is fixedly connected with one end of the pull rod, and the other end of the pull rod penetrates through a pull rod hole of the box body and then is fixedly provided with an external horn; the other end of the extension spring is connected with a linear bearing sleeve through a bearing sleeve pin shaft, the linear bearing sleeve is installed outside the linear bearing, the linear bearing is installed on a linear optical axis, and two ends of the linear optical axis are installed on the box body through shaft supporting seats respectively; and a box body cover is arranged on the box body.

When the turnout is in work, after the air cylinder drives the swing air cylinder shaft to swing left and right, the rotating plate shaft is driven to rotate along with the air cylinder, and the rotating plate drives the pull rod to reciprocate from the extending state to the retracting state to drive the rotating plate to drive the turnout to move. Because the fixed center of the extension spring installed on the rotating plate and the rotating center of the rotating plate are designed according to a certain eccentricity, when the rotating plate rotates, the distance between the pin shaft of the hanging spring on the rotating plate and the center of the extension spring changes according to the rotating position, the farthest point is selected as the middle point of the moving stroke of the turnout, the front and back symmetrical points of the point are selected as the starting point and the end point of the moving stroke of the turnout, and the positioning and locking are realized by utilizing the contraction function of the extension spring according to the track that the distance between the middle point, the starting point and the end point is shortened from the length of the fixed center of the extension.

The operating mode requirement that the switch opened and shut the displacement according to the switch, becomes the straight line displacement with the rotatory stroke of rotor plate through pull rod and loudspeaker hinge mechanism, accomplishes the displacement of opening and shutting to the switch and controls, and the extension spring mechanism self-locking on the rotor plate is passed through in the location of initial point, termination point.

The utility model relates to a rationally, switch ware compact structure, location are reliable, simple to operate, the operation of being convenient for, are to the further perfection and the improvement of supplementary transport system facility in the pit, have fine practical application and worth.

Drawings

Fig. 1 shows a cross-sectional side view of the switch.

Fig. 2 shows a top view of the switch.

Fig. 3 shows a top view of the switch (box base not shown).

Fig. 4 shows a side view of a (hole type) oscillating cylinder.

Fig. 5 shows a top view of the (orifice type) oscillating cylinder.

Fig. 6 shows a schematic view of a joint bearing.

Fig. 7 shows the tension rod in a stretched state.

Figure 8 shows the pull rod in the retracted position.

Fig. 9 shows the drawbar in a schematic view in an intermediate state.

In the figure: 1-box base, 2-box, 3-box cover, 4-swing cylinder, 5-rotating plate, 501-rotating arm I, 502-rotating arm II, 6-pull rod, 7-external horn, 8-external horn pin shaft, 9-tension spring, 10-rotating plate pull pin, 11-swing base, 12-knuckle bearing pin shaft, 13-linear optical axis, 14-shaft base, 15-linear bearing, 16-knuckle bearing, 17-bearing bush pin shaft, 18-linear bearing bush, 19-cylinder shaft spacer bush, 20-swing cylinder shaft (rotating plate shaft), 21-flat key, 22-round flat key, 23-cylinder quick connector, 24-pull rod hole, 25-swing shaft slot, 26-bolt, 27-rail base, 28-rail.

Detailed Description

The following describes in detail specific embodiments of the present invention with reference to the accompanying drawings.

A pneumatic spring combined switch device is shown in figures 1 and 2 and comprises a box body base 1, a box body 2, a box body cover 3, a swing cylinder 4, a rotating plate 5, a pull rod 6, an external trumpet 7, an external trumpet pin shaft 8, a tension spring 9, a linear optical axis 13, a linear bearing 15, a joint bearing 16, a linear bearing sleeve 18, a swing cylinder shaft (rotating plate shaft) 20 and the like.

The connection relationship is that a box body 2 is arranged on a box body seat 1, a swing cylinder 4 is arranged in the box body 2, a hole type swing cylinder is adopted, as shown in fig. 4 and 5, a swing cylinder shaft 20 is arranged on a swing seat 11 of the swing cylinder 4, the swing cylinder shaft 20 is assembled in a swing shaft slot 25 of the swing seat 11 through a round flat key 22, the swing cylinder shaft 20 is locked through a bolt, the swing cylinder shaft 20 is used as a rotating plate shaft, the rotating plate 5 is assembled after a cylinder shaft spacing sleeve 19 is arranged on the swing cylinder shaft 20, the upper end of the swing cylinder shaft 20 is provided with the rotating plate 5 through a flat key 21, the rotating plate 5 is integrally formed by a rotating arm I501 and a rotating arm II 502 which are in an angle (preferably 90 degrees), the rotating arm I501 and the rotating arm II 502 are in a 90-degree angle, the rotating arm I501 is connected with one end of an extension spring 9 through a rotating plate pull pin; the rotating arm II 502 is provided with a joint bearing 16 (the joint bearing is shown in figure 6) through a joint bearing pin shaft 12, and the joint bearing 16 is positioned below the rotating plate 5; the knuckle bearing 16 is fixedly connected with one end of a pull rod 6, the other end of the pull rod 6 penetrates through a pull rod hole 24 of the box body 2 and then is fixedly provided with an external horn 7, and the external horn 7 is connected with a rail seat 27 through an external horn pin shaft 8. The other end of the extension spring 9 is connected with a linear bearing sleeve 18 through a bearing sleeve pin shaft 17, the linear bearing sleeve 18 is arranged outside a linear bearing 15, the linear bearing 15 is arranged on a linear optical axis 13, and two ends of the linear optical axis 13 are respectively arranged on the box body 2 through shaft supports 14; the box body 2 is provided with a box body cover 3.

In the specific implementation process, 1 hole type swing cylinder (model QGK80 multiplied by 90 degrees, interface M16 multiplied by 1.5), 1 linear optical axis (model SF20 multiplied by 300), 2 shaft supports (model SHF 20), 1 linear bearing (model LM 20) and 1 pull rod end knuckle bearing (model SI 16-1T/K) are purchased from outside directly.

During assembly and combination, the hole type swing air cylinder is fixed in the box body through a bolt, the rotating plate is assembled on the rotating plate shaft (the swing air cylinder shaft), the pull rod and the joint bearing are installed on the rotating plate (the rotating arm II), the pull rod penetrates through the box body and then is connected with the external horn, the extension spring is installed between the rotating plate (the rotating arm I) and the linear bearing sleeve, and finally the cover plate is installed. The air pipe of the air cylinder penetrates out of the box body and then is connected with an air source, and the outer horn is connected with the rail seat through a pin shaft.

After the cylinder drives the swing cylinder shaft to swing left and right, the rotating plate shaft is driven to rotate along with the cylinder, and the rotating plate is driven to drive the turnout to move. Because the fixed center of the tension spring arranged on the rotating plate and the rotating center of the rotating plate are designed according to a certain eccentricity, when the rotating plate rotates, the distance between the spring hanging pin shaft on the rotating plate and the center of the tension spring changes according to the rotating position, the farthest point is selected as the middle point of the moving stroke of the turnout, the front and back symmetrical points of the point are selected as the starting point and the end point of the moving stroke of the turnout, and the positioning and locking are realized by utilizing the contraction function of the tension spring according to the track that the distance between the middle point, the starting point and the end point is shortened from the length of the fixed center of the tension. Because the pull rod and the extension spring are respectively positioned below and above the rotating plate, the pull rod is automatically locked by the extension spring in an extending or retracting state, as shown in fig. 7, the pull rod is in the extending state at the moment and can be determined as the starting point of the moving stroke of the turnout, the linear bearing is positioned at one end of the linear optical axis, and the position (positioned at the upper part in the figure) of the extension spring positions and locks the rotating plate; as shown in fig. 8, when the pull rod is in the retracted state (the rotating plate is obtained by swinging the rotating plate 90 degrees counterclockwise from the state of fig. 7), it can be determined as the end point of the moving stroke of the turnout, the linear bearing should be located at the other end of the linear optical axis (the linear bearing moves from one end to the other end on the linear optical axis), and the tension spring position (which should be located at the lower part in the figure, since the tension spring is located at the lower part in the figure and conflicts with the pull rod position, the tension spring in the figure is still located at the upper part in the figure, but actually should move from the upper part to the lower part in the figure along with the; as shown in fig. 9, the pull rod is in the middle state after the rotation plate rotates 45 degrees, the linear bearing is located in the middle of the linear optical axis, and the position of the extension spring is between extension and retraction, and is in the longest extension state.

The spring switch is researched and designed according to standard requirements, is specific to a rail type 22-38 kg/m control facility, and is particularly suitable for various narrow rail switches in coal mines; single turnout, symmetrical turnout, crossover turnout, cross crossover turnout and symmetrical combined turnout.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the detailed description is made with reference to the embodiments of the present invention, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the protection scope of the claims of the present invention.

Claims

1. The utility model provides a pneumatic spring combination switch ware, includes box seat (1), be equipped with box (2), its characterized in that on box seat (1): a swing cylinder (4) is installed in the box body (2), a swing cylinder shaft (20) is installed on a swing seat (11) of the swing cylinder (4), a rotating plate (5) is installed at the end of the swing cylinder shaft (20), the rotating plate (5) is composed of a rotating arm I (501) and a rotating arm II (502) which are angled, the rotating arm I (501) is connected with one end of an extension spring (9) through a rotating plate pull pin (10), the extension spring (9) is located above the rotating plate (5), the rotating arm II (502) is provided with a joint bearing (16) through a joint bearing pin shaft (12), and the joint bearing (16) is located below the rotating plate (5); the knuckle bearing (16) is fixedly connected with one end of a pull rod (6), and the other end of the pull rod (6) penetrates through a pull rod hole (24) of the box body (2) and then is fixedly provided with an external horn (7); the other end of the extension spring (9) is connected with a linear bearing sleeve (18) through a bearing sleeve pin shaft (17), the linear bearing sleeve (18) is installed outside the linear bearing (15), the linear bearing (15) is installed on a linear optical axis (13), and two ends of the linear optical axis (13) are installed on the box body (2) through shaft supports (14) respectively; and a box body cover (3) is arranged on the box body (2).

2. The pneumatic spring combined switch plate of claim 1, wherein: the swing cylinder shaft (20) is assembled in a swing shaft slot (25) of the swing seat (11) through a round-head flat key (22).

3. The pneumatic spring combination switch of claim 2, wherein: the upper end of the swing cylinder shaft (20) is assembled with a rotating plate (5) through a flat key (21).

4. The pneumatic spring combined switch plate of claim 1, wherein: the external horn (7) is connected with the rail seat (27) through an external horn pin shaft (8).