Bidirectional pull rope switch clamping device of belt conveyor

Abstract

The utility model relates to a bidirectional pull rope switch clamping device of a belt conveyor, which comprises a support, a switch body with a shell structure is arranged on the support, a central shaft is arranged in the switch body, one end of the central shaft penetrates out of the switch body, a rocker arm with a rod-shaped structure is arranged at the outer end of the central shaft, and a pull rope is arranged on the rocker arm. The middle of the rocker arm is fixed to the outer end of the center shaft, a supporting rod is arranged on the support and located on one side of the switch body, a positioning rod is arranged at the top end of the supporting rod, a clamping rod is hinged to the lower portion of the rocker arm, and the side, away from the rocker arm, of the clamping rod abuts against the positioning rod. A clamping groove matched with the positioning rod is formed in the middle of the clamping rod. The positioning rod is arranged on one side of the switch body, the clamping rod is arranged on the rocker arm, the clamping groove is formed in the clamping rod, when the rocker arm rotates, the positioning rod can be located in the clamping groove, the clamping rod and the rocker arm are clamped, automatic reset of the rocker arm is effectively prevented, and safety and reliability are achieved. The device is simple in structure, convenient to use, safe and reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of pull rope switch, and relates to a two-way pull rope switch detent device of belt conveyor. BACKGROUND

[0002] In the normal production process of the metallurgical industry beneficiation belt, the belt corridor environment has high temperature, high humidity and high dust, and in the long-term use process, the internal mechanism of the commonly used two-way pull rope switch on the belt conveyor is affected by the environment, and the spring jamming and other internal mechanism failure phenomenon may occur, which causes the two-way pull rope switch rocker arm to be not clamped or automatically returned after being clamped loosely, brings unsafe factors to the on-site safety production, and the safety protection device of the two-way pull rope switch becomes unreliable. CONTENT

[0003] The utility model discloses a two-way pull rope switch detent device of belt conveyor, which is aimed at the problem of rocker arm clamping caused by the spring jamming of the two-way pull rope switch in the background art.

[0004] Therefore, the utility model takes the following technical scheme:

[0005] A two-way pull rope switch detent device of belt conveyor, comprising a support, a switch body in a shell structure is arranged on the support, a central shaft is arranged in the switch body, one end of the central shaft penetrates out of the switch body, a rocker arm in a rod structure is arranged at the outer end of the central shaft, the middle part of the rocker arm is fixed to the outer end of the central shaft, a supporting rod is arranged on the support, the supporting rod is located on one side of the switch body, a positioning rod is arranged at the top end of the supporting rod, a clamping rod is hingedly connected to the lower part of the rocker arm, the side, away from the rocker arm, of the clamping rod is abutted on the positioning rod, and a clamping groove matched with the positioning rod is arranged in the middle part of the clamping rod.

[0006] Further, the central shaft is arranged horizontally.

[0007] Further, the rocker arm is arranged perpendicularly to the central shaft.

[0008] Further, the positioning rod is arranged horizontally and perpendicularly to the clamping rod.

[0009] Further, a sliding groove is arranged on the positioning rod, and the clamping rod is located in the sliding groove and can move along the length direction of the sliding groove in the sliding groove.

[0010] Further, a handle is arranged at the end, away from the rocker arm, of the positioning rod.

[0011] The utility model discloses an advantageous effect lies in: setting the locating rod on the switch body side, setting the clamping rod on the rocker and setting the clamping groove on the clamping rod, when the rocker rotates, can make the locating rod be located in the clamping groove, clamping the clamping rod and the rocker, effectively prevent the rocker automatic reset, safe and reliable, simple structure, convenient to use, safe and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic front view of the utility model;

[0013] Figure 2 It is the structure schematic plan view of the utility model;

[0014] Figure 3 It is the state diagram when clamping rod clamps of the utility model;

[0015] In the drawing, 1 - support, 2 - switch body, 3 - central shaft, 4 - rocker, 5 - support rod, 6 - locating rod, 7 - clamping rod, 8 - sliding slot, 9 - clamping groove, 10 - handle. DETAILED DESCRIPTION

[0016] The utility model will be described in detail below in conjunction with the drawings:

[0017] For example, Figure 1 And 2As shown, a belt conveyor bidirectional pull rope switch clamping device, including support 1, support 1 is provided with the switch body 2 that is shell structure, the switch body 2 is provided with the central shaft 3 that is horizontally arranged, the central shaft 3 is from the switch body 2 and is provided with the rocker arm 4 that is rod structure and is arranged in the outer end of the central shaft 3, the rocker arm 4 is perpendicular to the central shaft 3, the both ends of the rocker arm 4 are connected with pull rope, by pulling pull rope can drive the rocker arm 4 rotation, the middle part of the rocker arm 4 is fixed to the outer end of the central shaft 3, the switch body 2 and the rocker arm 4 are all conventional bidirectional pull rope switch structure, support 1 is provided with support rod 5, support rod 5 is located at one side of the switch body 2, the top of support rod 2 is provided with the locating rod 6 that is horizontally arranged, the lower part of the rocker arm 4 is hinged with the clamping rod 7, the side away from the rocker arm 4 of clamping rod 7 is abutted on the locating rod 6, in the embodiment, the locating rod 6 and the clamping rod 7 are perpendicular to each other, when the rocker arm 4 rotates, it can drive the clamping rod 7 to move along the vertical direction of the locating rod 6 on the locating rod 6, in order to make the clamping rod 7 move more stably on the locating rod 6, the locating rod 6 is provided with the sliding slot 8 along the vertical direction of the locating rod 6, the clamping rod 7 is located in the sliding slot 8 and can move back and forth in the sliding slot 8 along the length direction of the sliding slot 8, the middle part of the clamping rod 7 is provided with the clamping groove 9 matched with the locating rod 6, when the clamping groove 9 moves to the locating rod 6, the clamping rod 7 rotates downward under the action of gravity, so that the clamping groove 9 moves downward, the locating rod 6 enters the clamping groove 9, thereby clamping the clamping rod 7, limiting the movement of the clamping rod 7, and further limiting the rotation of the rocker arm 4 through the clamping rod 7, thereby preventing the rocker arm 4 from automatically resetting.

[0018] In order to facilitate the use, the end away from the rocker arm 4 of the locating rod 7 is provided with the handle 10.

[0019] The use mode of the utility model is as follows:

[0020] When the bidirectional pull rope switch needs to be pulled, first drive the rocker arm 4 to rotate by pull rope, drive the clamping rod 7 to move along the length direction of the sliding slot 8 in the sliding slot 8 in the process of the rocker arm 4 rotating, and make the clamping groove 9 close to the locating rod 6, when the clamping groove 9 reaches the position of the locating rod 6, the clamping rod 7 rotates downward under the action of gravity, so that the clamping groove 9 moves downward, the locating rod 6 enters the clamping groove 9, thereby clamping the clamping rod 7 (such as Figure 3 Limit the rotation of the clamping rod 7 and the rocker arm 4, thereby preventing the rocker arm 4 from automatically resetting, when the rocker arm 4 needs to be reset, the operator holds the handle 10 to rotate the clamping rod 7 upward, so that the locating rod 6 moves away from the clamping groove 9, then the reset can be carried out.

[0021] Using the device can ensure that the rocker arm 4 is clamped and not automatically reset when the bidirectional pull rope switch is used, which is safe and reliable.

Claims

1. A bidirectional belt conveyor rope switch latching device, comprising a bracket (1), a switch body (2) in a shell structure is arranged on the bracket (1), a center shaft (3) is arranged in the switch body (2), one end of the center shaft (3) penetrates out of the switch body (2), a rocker arm (4) in a rod structure is arranged at the outer end of the center shaft (3), and the middle part of the rocker arm (4) is fixed to the outer end of the center shaft (3), characterized in that, The support frame (1) is provided with a support rod (5), the support rod (5) is located on one side of the switch body (2), the top end of the support rod (5) is provided with a positioning rod (6), the lower part of the rocker arm (4) is hingedly connected with a clamping rod (7), one side of the clamping rod (7) away from the rocker arm (4) abuts against the positioning rod (6), and the middle part of the clamping rod (7) is provided with a clamping groove (9) matched with the positioning rod (6).

2. A belt conveyor bidirectional pull cord switch detent device according to claim 1, characterized in that, The central shaft (3) is horizontally arranged.

3. The dual tension cord switch detent device for a belt conveyor of claim 1, wherein, The rocker arm (4) is arranged perpendicularly to the central shaft (3).

4. The dual tension member switch indexing device for a belt conveyor of claim 1, wherein, The positioning rod (6) is horizontally arranged and perpendicularly to the clamping rod (7).

5. The dual tension member switch indexing device for a belt conveyor of claim 1, wherein, The positioning rod (6) is provided with a sliding groove (8), the clamping rod (7) is located in the sliding groove (8) and can move along the length direction of the sliding groove (8) in the sliding groove (8).

6. A belt conveyor bidirectional pull cord switch detent device according to claim 1, wherein, The end of the positioning rod (6) away from the rocker arm (4) is provided with a handle (10).

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