Track positioning device of car dumper body

Abstract

The utility model provides a car dumper body track positioning device, and relates to the field of car dumper, the car dumper body track positioning device comprises a car dumper, the end face of the car dumper is fixedly provided with a bearing ring concentric with the car dumper, one side of the bearing ring far away from the car dumper is fixedly provided with a plurality of positioning heads, a supporting frame is arranged on the side, close to the bearing ring, of the car dumper, an induction mechanism for determining passing of the positioning heads is arranged on the side, close to the bearing ring, of the supporting frame, and the induction mechanism sequentially works through the positioning heads arranged at the designated positions of the end face of the car dumper, so that the rotating angle of the car dumper can be determined; the extrusion friction in the rotating process can be reduced, abrasion can be reduced, meanwhile, abrasion can be compensated through the reset spring and the extrusion spring, and therefore the rotating angle of the car dumper can be accurately determined.

Description

Technical Field

[0001] The utility model relates to the technical field of car dumper, in particular to an on - car dumper body track positioning device. Background Art

[0002] The car dumper system is a special equipment for large - scale unloading operations with high mechanical automation, which can unload the bulk materials carried by railway gondola cars and has been widely used in large modern enterprises such as thermal power plants, ports, metallurgy, and coal coking;

[0003] The on - car dumper body track positioning uses a master controller. Due to long - term use, the mechanical clearance increases and the track is difficult to align. It is necessary to frequently adjust the master controller, and the angle display is also inaccurate, which affects the continuous and stable operation of the car dumper. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides an on - car dumper body track positioning device, which solves the problem of inaccurate track positioning of the car dumper.

[0005] Technical Solution

[0006] To achieve the above object, the utility model is realized through the following technical solutions: An on - car dumper body track positioning device includes a car dumper. A bearing ring concentric with the car dumper is fixedly installed on the end face of the car dumper. A positioning head is fixedly installed on the side of the bearing ring away from the car dumper. The number of positioning heads is multiple. A support frame is arranged on the side of the car dumper close to the bearing ring, and an induction mechanism for determining the passage of the positioning head is arranged on the side of the support frame close to the bearing ring.

[0007] Further, the number of the positioning heads is at least five, and the positioning heads are respectively located at the positions aligned with the induction mechanism when the car dumper rotates at 0°, 15°, 90°, 155°, and 165°.

[0008] Further, the positioning heads are distributed in a circular array, the distances from the positioning heads to the center point of the bearing ring are the same, and the heights of the positioning heads gradually decrease in turn. The induction mechanism includes a sliding sleeve, a sliding extrusion block is slidably connected inside the sliding sleeve, the sliding extrusion block and the sliding sleeve are fixedly connected by a compression spring, a protrusion is fixedly installed at one end of the sliding extrusion block close to the compression spring, and a sliding rheostat is fixedly installed inside the sliding sleeve. The protrusion is fixedly connected to the control end of the sliding rheostat.

[0009] Further, the shape of the positioning head is a semi - ring in the shape of a "mountain", and the middle of the positioning head is convex and the two ends are rounded.

[0010] Furthermore, the positioning heads are distributed in a circular array, and the distance from the positioning heads to the center point of the bearing ring increases. The sensing mechanism includes a connecting plate. A number of limiting columns equal to the number of positioning heads are fixedly installed on the surface of the connecting plate. The limiting columns are respectively located on the rotation tracks of different positioning heads. A sliding extrusion head is slidably connected to the outer surface of the limiting column. The limiting column and the sliding extrusion head are fixedly connected by a return spring. A solenoid with a detection function is fixedly installed on the surface of the connecting plate. A magnetic column is fixedly installed at the rear end of the sliding extrusion head. The magnetic column is slidably connected inside the solenoid. The connecting plate and the sliding extrusion head are fixedly connected by a limiting slide bar.

[0011] Furthermore, the bearing ring is in a groove shape, and the positioning heads are located inside the grooves.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. For this rail positioning device of the car dumper body, by sequentially enabling the sensing mechanism through the positioning heads set at the specified positions on the end face of the car dumper, the rotation angle of the car dumper can be determined, the extrusion friction during the rotation process can be reduced, wear can be decreased, and at the same time, the wear can be compensated by the return spring and the extrusion spring, so that the rotation angle of the car dumper can be accurately determined.

[0014] 2. For this rail positioning device of the car dumper body, the sensing mechanism set includes a sliding sleeve. A sliding extrusion block is slidably connected inside the sliding sleeve. The sliding extrusion block and the sliding sleeve are fixedly connected by an extrusion spring. A protrusion is fixedly installed at one end of the sliding extrusion block close to the extrusion spring. A sliding rheostat is fixedly installed inside the sliding sleeve. The protrusion is fixedly connected to the control end of the sliding rheostat. By squeezing the sliding extrusion block with positioning heads of different heights to change the displacement size, the sliding rheostat can be adjusted by using the protrusion, so that the resistance connected can be changed. By detecting the circuit, it is determined that the corresponding positioning head passes through. Such a device occupies less space.

[0015] 3. For this rail positioning device of the car dumper body, a sliding extrusion head is slidably connected to the outer surface of the limiting column set. The limiting column and the sliding extrusion head are fixedly connected by a return spring. A solenoid with a detection function is fixedly installed on the surface of the connecting plate. A magnetic column is fixedly installed at the rear end of the sliding extrusion head. The magnetic column is slidably connected inside the solenoid. The connecting plate and the sliding extrusion head are fixedly connected by a limiting slide bar. Through each positioning head corresponding to a sensing mechanism, it can respond accurately and quickly. By squeezing the sliding extrusion head with the positioning head, the magnetic column moves in the solenoid, and the position movement is determined by detecting the change in current. Such a detection method has a rapid response. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the present utility model;

[0017] Figure 2 Schematic diagram of the connection of the bearing ring of the present utility model;

[0018] Figure 3 Schematic diagram of the connection of the positioning head of the present utility model;

[0019] Figure 4 Schematic diagram of the connection of the sliding sleeve of the present utility model;

[0020] Figure 5 Schematic diagram of the connection of the limit post of the present utility model.

[0021] Among them, 1, dumper; 2, bearing ring; 3, positioning head; 4, support frame; 5, sensing mechanism; 501, sliding sleeve; 502, sliding extrusion block; 503, extrusion spring; 504, protrusion; 505, sliding rheostat; 506, connecting plate; 507, limit post; 508, sliding extrusion head; 509, return spring; 510, solenoid; 511, magnetic column; 512, limit slide bar. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Refer to Figures 1 - 5 :

[0024] Embodiment 1;

[0025] A rail positioning device for the dumper body includes a dumper 1, a bearing ring 2 concentric with the dumper 1 is fixedly installed on the end face of the dumper 1, a positioning head 3 is fixedly installed on the side of the bearing ring 2 away from the dumper 1, the number of positioning heads 3 is multiple, a support frame 4 is arranged on the side of the dumper 1 close to the bearing ring 2, and a sensing mechanism 5 for determining the passage of the positioning head 3 is arranged on the side of the support frame 4 close to the bearing ring 2.

[0026] The number of positioning heads 3 is at least five, and the positioning heads 3 are respectively located at positions aligned with the sensing mechanism 5 when the dumper 1 rotates at 0°, 15°, 90°, 155° and 165°. After returning to 0°, the return stops; when the dumper body is at the 0° position and not at the 10° position, the vehicle can be pressed and leaned against; when it is turned forward to 90°, additional pressure is applied to prevent insufficient pressure; when it is turned forward to 155°, it runs at a low speed; when it is turned forward to 160°, the forward turning stops and it returns after 4 seconds.

[0027] The positioning heads 3 are distributed in an annular array, the distances from the positioning heads 3 to the center point of the bearing ring 2 are the same, the heights of the positioning heads 3 gradually decrease in sequence, the shape of the positioning heads 3 is a semi-ring in the shape of a "mountain", the middle of the positioning heads 3 protrudes and the two ends are processed with rounded corners. Through such a setting, the positioning heads 3 can smoothly pass through the sliding extrusion block 502. The sensing mechanism 5 includes a sliding sleeve 501, and a sliding extrusion block 502 is slidably connected inside the sliding sleeve 501. The sliding extrusion block 502 and the sliding sleeve 501 are fixedly connected through an extrusion spring 503. A protrusion 504 is fixedly installed at one end of the sliding extrusion block 502 close to the extrusion spring 503. A sliding rheostat 505 is fixedly installed inside the sliding sleeve 501. The protrusion 504 is fixedly connected to the control end of the sliding rheostat 505. By squeezing the sliding extrusion block 502 with the positioning heads 3 of different heights to change the displacement size, the sliding rheostat 505 can be adjusted by using the protrusion 504, so that the resistance connected can be changed, and it can be determined whether the corresponding positioning head 3 passes through by detecting the circuit.

[0028] Based on the above structure, Embodiment 2;

[0029] The positioning heads 3 are distributed in an annular array, and the distances between the positioning heads 3 and the center point of the bearing ring 2 increase. The sensing mechanism 5 includes a connecting plate 506. The surface of the connecting plate 506 is fixedly installed with a number of limit posts 507 that is the same as the number of the positioning heads 3. The limit posts 507 are respectively located on the rotation tracks of different positioning heads 3. A sliding extrusion head 508 is slidably connected to the outer surface of the limit posts 507. The limit posts 507 and the sliding extrusion head 508 are fixedly connected through a return spring 509. A solenoid 510 with a detection function is fixedly installed on the surface of the connecting plate 506. A magnetic column 511 is fixedly installed at the rear end of the sliding extrusion head 508. The magnetic column 511 is slidably connected inside the solenoid 510. The connecting plate 506 and the sliding extrusion head 508 are fixedly connected through a limit slide bar 512. By having one sensing mechanism 5 corresponding to each positioning head 3, it can respond accurately and quickly. By squeezing the sliding extrusion head 508 with the positioning head 3, the magnetic column 511 moves in the solenoid 510, and the position movement is determined by detecting the change of the current. Such a detection method has a rapid response.

[0030] The bearing ring 2 is in a groove shape, and the positioning heads 3 are located inside the groove. Through such a setting, the positioning heads 3 can be arranged inside, so that the positioning heads 3 can be prevented from being collided by external objects.

[0031] When in use, the sensing mechanisms 5 are sequentially made to work by the positioning heads 3 installed at the designated positions on the end face of the car dumper 1, so that the rotation angle of the car dumper 1 can be determined, the extrusion friction during the rotation can be reduced, the wear can be reduced, and at the same time, the wear can be compensated by the return spring 509 and the extrusion spring 503, so that the rotation angle of the car dumper 1 can be accurately determined.

[0032] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0033] As described above, the above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. An orbit positioning device for a car dumper body, comprising a car dumper (1), characterized in that: A bearing ring (2) concentric with the dumper (1) is fixedly installed on the end face of the dumper (1). A positioning head (3) is fixedly installed on the side of the bearing ring (2) away from the dumper (1). The number of positioning heads (3) is multiple. A support frame (4) is arranged on the side of the dumper (1) close to the bearing ring (2). An induction mechanism (5) for determining the passage of the positioning head (3) is arranged on the side of the support frame (4) close to the bearing ring (2).

2. The rail positioning device for the car dumper body according to claim 1, characterized in that: The number of the positioning heads (3) is at least five, and the positioning heads (3) are respectively located at positions aligned with the induction mechanism (5) when the dumper (1) rotates at 0°, 15°, 90°, 155° and 165°.

3. The rail positioning device for the car dumper body according to claim 2, wherein: The positioning heads (3) are distributed in an annular array, and the distances from the positioning heads (3) to the center point of the bearing ring (2) are the same. The heights of the positioning heads (3) gradually decrease in sequence; The induction mechanism (5) includes a sliding sleeve (501). A sliding extrusion block (502) is slidably connected inside the sliding sleeve (501). The sliding extrusion block (502) and the sliding sleeve (501) are fixedly connected through an extrusion spring (503). A protrusion (504) is fixedly installed at one end of the sliding extrusion block (502) close to the extrusion spring (503). A sliding rheostat (505) is fixedly installed inside the sliding sleeve (501). The protrusion (504) is fixedly connected to the control end of the sliding rheostat (505).

4. The rail positioning device for the car dumper body according to claim 2, characterized in that: The shape of the positioning head (3) is a semi-ring in the shape of "mountain", and the middle of the positioning head (3) is convex and the two ends are processed with rounded corners.

5. The rail positioning device for the car dumper body according to claim 2, wherein: The positioning heads (3) are distributed in an annular array, and the distances between the positioning heads (3) and the center point of the bearing ring (2) increase; The induction mechanism (5) includes a connecting plate (506). A number of limit posts (507) equal to the number of the positioning heads (3) are fixedly installed on the surface of the connecting plate (506). The limit posts (507) are respectively located on the rotation tracks of different positioning heads (3). A sliding extrusion head (508) is slidably connected to the outer surface of the limit post (507). The limit post (507) and the sliding extrusion head (508) are fixedly connected through a return spring (509). A solenoid (510) with a detection function is fixedly installed on the surface of the connecting plate (506). A magnetic column (511) is fixedly installed at the rear end of the sliding extrusion head (508). The magnetic column (511) is slidably connected inside the solenoid (510). The connecting plate (506) and the sliding extrusion head (508) are fixedly connected through a limit slide bar (512).

6. A rail positioning device for a car dumper body according to any one of claims 1-5, characterized in that: The bearing ring (2) is in a groove shape, and the positioning head (3) is located inside the groove.

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