CN212292391U - Circuit box capable of improving safety - Google Patents

Circuit box capable of improving safety Download PDF

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Publication number
CN212292391U
CN212292391U CN202020954560.1U CN202020954560U CN212292391U CN 212292391 U CN212292391 U CN 212292391U CN 202020954560 U CN202020954560 U CN 202020954560U CN 212292391 U CN212292391 U CN 212292391U
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China
Prior art keywords
gear
circuit box
wedge
shaped block
box body
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CN202020954560.1U
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Chinese (zh)
Inventor
屈泊
孙锐锋
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Zhengzhou Zhongke Refractory Co ltd
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Zhengzhou Zhongke Refractory Co ltd
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Publication of CN212292391U publication Critical patent/CN212292391U/en
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Abstract

The utility model provides a circuit box for improving safety, which relates to the technical field of refractory brick processing equipment and comprises a circuit box body; a winding wheel installed in the circuit box body through a rotating shaft; a gear mounted on the shaft; the wedge-shaped block is arranged between two teeth of the gear and limits the unidirectional rotation of the gear; the elastic expansion piece is fixedly connected with the wedge-shaped block; the displacement driving mechanism is used for driving the elastic telescopic piece to move; the rotating shaft is connected with the circuit box body through a volute spring; when the material trolley moves towards one side of the line box body, the displacement driving mechanism can be controlled at the moment, the wedge-shaped block is separated from between two teeth of the gear, the gear is not limited in one direction any more, the winding wheel rotates reversely to achieve the rope winding function through the reset effect of the spiral spring, the problem that the power line of the material trolley is wound and knotted when the material trolley moves is avoided, and the use safety of the material trolley and the power line is guaranteed.

Description

Circuit box capable of improving safety
Technical Field
The utility model relates to a resistant firebrick processing equipment technical field specifically is a circuit box who improves security.
Background
In resistant firebrick's course of working, need use the material transfer cart to come to realize the transportation to the adobe, but because the stroke of material transfer cart is longer to present being used for also being random placing on the ground to the power cord of material transfer cart transmission of electricity, consequently follow the easy winding condition that takes place of power cord of material transfer cart motion, probably lead to the power cord to damage or cracked emergence, cause the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve circuit box of security aims at solving the power cord that is arranged in among the prior art and transmits electricity to the material transfer cart and takes place the winding condition easily, probably leads to the power cord to damage or cracked emergence, causes the problem of potential safety hazard.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the circuit box for improving the safety comprises a circuit box body; a winding wheel installed in the circuit box body through a rotating shaft; a gear mounted on the shaft; the wedge-shaped block is arranged between two teeth of the gear and limits the unidirectional rotation of the gear; the elastic expansion piece is fixedly connected with the wedge-shaped block; the displacement driving mechanism is used for driving the elastic telescopic piece to move; the rotating shaft is connected with the circuit box body through a volute spring.
The utility model adopts the further technical proposal that the wedge-shaped block is in the shape that the side surface facing to one tooth on the gear is an inclined plane, and the side surface facing to the other tooth on the gear is a plane.
The utility model has the further technical proposal that the elastic expansion piece comprises a barrel fixedly connected with the movable end of the displacement driving mechanism, a moving rod inserted into the barrel and an elastic piece sleeved on the moving rod, and the wedge-shaped block is fixedly connected with the moving rod.
The technical proposal of the utility model is that the elastic part is a spiral spring.
The further technical proposal of the utility model is that the displacement driving mechanism is a telescopic hydraulic rod.
The technical scheme of the utility model is that the device further comprises a displacement sensor used for sensing the moving direction of the material trolley, and the displacement sensor is electrically connected with the displacement driving mechanism through a PLC controller.
The utility model has the advantages that:
1. when the utility model is used, the power wire on the material trolley is wound on the winding wheel, as shown in the figure, when the material trolley moves towards one side far away from the circuit box body, the wedge-shaped block only limits the unidirectional rotation of the gear, so that the power wire drives the winding wheel to rotate at the moment, the winding wheel realizes passive paying-off, and the moving requirement of the material trolley with the power wire is met;
2. when the material trolley stops moving, the rotating shaft and the winding wheel have the tendency of resetting rotation due to the action of the spiral spring arranged on the rotating shaft, but the winding wheel cannot rotate reversely through the limiting effect of the wedge-shaped block on the gear, so that the power line is prevented from being stretched after the material trolley stops, the power line is prevented from being in a tight state, and the service life of the power line is prolonged;
3. when the material trolley moves towards one side of the line box body, the displacement driving mechanism can be controlled at the moment, so that the wedge-shaped block is separated from between two teeth of the gear, the gear is not limited in one direction any more, and the winding wheel rotates reversely under the reset action of the spiral spring to achieve the rope winding function, so that the problems of mutual winding and rope knot of power lines when the material trolley moves are avoided, and the use safety of the material trolley and the power lines is ensured;
4. through the arranged displacement sensor, the wedge-shaped block is automatically separated from the position between two teeth of the gear, so that the one-way limiting effect on the gear is relieved, and the automatic rope winding function of the winding wheel can be ensured.
Drawings
Fig. 1 is a front view of a winding wheel as can be seen in an embodiment of the line cassette for enhanced safety.
Fig. 2 is a front view of a gear as may be observed in an embodiment of the line box to enhance safety.
Fig. 3 is an enlarged view of i in fig. 2.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1-3, a circuit box for improving safety comprises a circuit box body 1; a winding wheel 2 arranged in the circuit box body 1 through a rotating shaft 3; a gear 6 mounted on the shaft 3; the wedge-shaped block 7 is arranged between two teeth of the gear 6 and limits the unidirectional rotation of the gear 6; an elastic expansion piece fixedly connected with the wedge-shaped block 7; the displacement driving mechanism is used for driving the elastic telescopic piece to move, and preferably, the displacement driving mechanism is a telescopic hydraulic rod 11; the rotating shaft 3 is connected with the circuit box body 1 through a volute spring.
When the utility model is used, the power cord 4 on the material trolley 5 is wound on the winding wheel 2, as shown in figure 1, when the material trolley 5 moves towards one side far away from the line box body 1, the wedge-shaped block 7 only limits the unidirectional rotation of the gear 6, so that the power cord 4 drives the winding wheel 2 to rotate at the moment, the winding wheel 2 realizes passive paying-off, and the moving requirement of the material trolley 5 for driving the power cord 4 is met; when the material trolley 5 stops moving, the rotating shaft 3 and the winding wheel 2 have the tendency of resetting rotation due to the action of the spiral spring arranged on the rotating shaft 3, but the winding wheel 2 cannot rotate reversely through the limiting effect of the wedge-shaped block 7 on the gear 6, so that the power line 4 is prevented from being stretched after the material trolley 5 stops, the power line 4 is prevented from being in a tight state, and the service life of the power line 4 is prolonged; when the material trolley 5 moves towards one side of the circuit box body 1, the displacement driving mechanism can be controlled at the moment, the wedge-shaped block 7 is separated from between two teeth of the gear 6, the gear 6 is not limited in one direction any more, the winding wheel 2 rotates reversely to achieve the function of winding the rope through the reset action of the spiral spring, the problem that the power line 4 of the material trolley 5 is wound and knotted when the material trolley 5 moves is avoided, and the use safety of the material trolley 5 and the power line 4 is guaranteed.
Preferably, the wedge 7 has a shape in which the side facing one tooth of the gear 6 is a slope and the side facing the other tooth of the gear 6 is a plane, as shown in fig. 3, the wedge 7 may have a trapezoidal shape, but the wedge 7 may have a triangular shape.
Specifically, the elastic telescopic part comprises a cylinder 8 fixedly connected with the movable end of the displacement driving mechanism, a moving rod 9 inserted into the cylinder 8 and an elastic part 10 sleeved on the moving rod 9, preferably, the elastic part 10 is a spiral spring, and the wedge-shaped block 7 is fixedly connected with the moving rod 9; as shown in fig. 3, when the material trolley 5 moves away from one side of the circuit box body 1, the gear 6 is driven to rotate counterclockwise by the action of the power cord 4, the upper tooth of the gear 6 impacts the inclined surface of the wedge-shaped block 7, so that the wedge-shaped block 7 has a component force moving upwards, the wedge-shaped block 7 moves upwards, the moving rod 9 is further inserted into the cylinder 8, and after the wedge-shaped block 7 enters a corresponding position between the next two teeth, the wedge-shaped block 7 reenters between the two teeth through the action of the spiral spring, so that the wedge-shaped block 7 continuously has a one-way limiting effect on the gear 6.
In a specific embodiment, the rope winding device further comprises a displacement sensor used for sensing the moving direction of the material trolley 5, the displacement sensor is electrically connected with the displacement driving mechanism through a PLC (programmable logic controller), and the wedge-shaped block 7 is automatically separated from between two teeth of the gear 6 through the arranged displacement sensor so as to remove the one-way limiting effect on the gear 6 and ensure the automatic rope winding function of the winding wheel 2.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A circuit box for improving safety is characterized by comprising:
a circuit box body (1);
a winding wheel (2) arranged in the circuit box body (1) through a rotating shaft (3);
a gear (6) mounted on the shaft (3);
the wedge-shaped block (7) is arranged between two teeth of the gear (6) and limits the unidirectional rotation of the gear (6);
the elastic expansion piece is fixedly connected with the wedge-shaped block (7);
the displacement driving mechanism is used for driving the elastic telescopic piece to move;
the rotating shaft (3) is connected with the circuit box body (1) through a volute spring.
2. The improved safety circuit box according to claim 1, wherein the wedge block (7) has a shape in which the side facing one tooth on the gear (6) is inclined and the side facing the other tooth on the gear (6) is flat.
3. The circuit box for improving safety of claim 1, wherein the elastic telescopic member comprises a cylinder (8) fixedly connected with the movable end of the displacement driving mechanism, a moving rod (9) inserted into the cylinder (8), and an elastic member (10) sleeved on the moving rod (9), and the wedge-shaped block (7) is fixedly connected with the moving rod (9).
4. The circuit box for improving safety according to claim 3, wherein the elastic member (10) is a coil spring.
5. A safety-enhanced line box according to any one of claims 1-4, wherein the displacement drive mechanism is a telescopic hydraulic rod (11).
6. The circuit box for improving the safety according to any one of claims 1 to 4, further comprising a displacement sensor for sensing the moving direction of the material trolley (5), wherein the displacement sensor is electrically connected with the displacement driving mechanism through a PLC (programmable logic controller).
CN202020954560.1U 2020-05-30 2020-05-30 Circuit box capable of improving safety Active CN212292391U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020954560.1U CN212292391U (en) 2020-05-30 2020-05-30 Circuit box capable of improving safety

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020954560.1U CN212292391U (en) 2020-05-30 2020-05-30 Circuit box capable of improving safety

Publications (1)

Publication Number Publication Date
CN212292391U true CN212292391U (en) 2021-01-05

Family

ID=73940264

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020954560.1U Active CN212292391U (en) 2020-05-30 2020-05-30 Circuit box capable of improving safety

Country Status (1)

Country Link
CN (1) CN212292391U (en)

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