Tower crane dual-power control box with interface protection

Abstract

The utility model discloses a tower crane dual-power control box with interface protection, which relates to the technical field of dual-power control boxes and comprises a steel box body, a dual-power change-over switch is mounted at the rear end in the steel box body, and a wire fixing component for protecting an interface is arranged in the steel box body. According to the tower crane dual-power-supply control box with the interface protection function, through the arrangement of the fixing base, the rear rubber block, the limiting groove, the front fixing plate, the limiting plate, the front rubber block and the fixing screws, when the tower crane dual-power-supply control box is used, connecting wires are pressed on the rear rubber block according to the position sequence, then the front fixing plate is closed, and the limiting plate on the front fixing plate moves along the limiting groove in the front end of the fixing base; when the front rubber block abuts against the rear rubber block, the wire end of the wiring is clamped, the fixing screw is screwed in and screwed down, the position of the wire end of the wiring is fixed, the function of fixing the wiring protection interface is achieved, and the problem that the device does not have the function of fixing the wiring protection interface is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to double power control box technical field, concretely is a kind of tower crane double power control box with interface protection. BACKGROUND

[0002] To ensure the safe operation of tower crane, prevent the accident caused by sudden power failure during the construction process of tower crane, usually provide a diesel generator for tower crane, to ensure that diesel generator work can drive tower crane to run, power supply and diesel generator power supply are connected with tower crane through double power conversion system, the control box of tower crane is also used double power control box.

[0003] The double power control box of common tower crane on the current market is mostly similar in overall structure, with cold-rolled steel body as main body, double power conversion switch and circuit breaker are installed inside, among them, power is commonly used power supply, generator is standby power supply, two groups of power are synchronously connected in the top interface of double power conversion switch, there are some functional deficiencies in actual use process, have certain improvement space, such as the interface of the top of double power conversion switch and the interface of the bottom of circuit breaker mostly use screw-fixed terminal interface, when wiring is pulled by external force, the screw of terminal interface is pulled and bent, the probability of damage is relatively large, subsequent basically cannot be repaired, do not have the function of fixed wiring protection interface.

[0004] Now, a new type of tower crane double power control box with interface protection is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of tower crane double power control box with interface protection to solve the problem of not having the function of fixed wiring protection interface in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of tower crane double power control box with interface protection, including steel box, double power conversion switch is installed in the rear end of the steel box inside, circuit breaker is arranged in the lower of double power conversion switch, multiple groups of connecting wires are movably connected between double power conversion switch and circuit breaker, the left side of the front end of steel box is hinged with door, the inside of steel box is provided with the wire fixing assembly of protection interface.

[0007] The fixed-line assembly comprises two groups of fixing bases, which are fixedly connected to the upper and lower ends of the rear of the steel box body respectively, rear rubber blocks are glued to the inner sides of the left and right sides of the front ends of the fixing bases respectively, limit grooves are arranged on the left and right sides of the rear rubber blocks respectively, a front fixing plate is arranged in front of the fixing base, front rubber blocks are glued to the left and right sides of the rear end of the front fixing plate respectively, limit plates are arranged on the left and right sides of the front rubber blocks respectively, and four groups of fixing screws are inserted into the front end of the front fixing plate.

[0008] As a further technical scheme of the utility model, the positions and sizes of the rear rubber blocks and the front rubber blocks are one-to-one corresponding, and four groups of notches are arranged on the opposite surfaces of the rear rubber blocks and the front rubber blocks respectively.

[0009] As a further technical scheme of the utility model, the front end of the limit plate is fixedly connected to the rear end of the front fixing plate, and the positions and sizes of the limit grooves and the limit plates are one-to-one corresponding.

[0010] As a further technical scheme of the utility model, the fixing screws pass through the front fixing plate and extend into the interiors of the fixing bases, and the fixing screws are symmetrically distributed about the vertical center line of the fixing base.

[0011] As a further technical scheme of the utility model, the front end of the steel box body is welded with an outward convex rim, the outer ring of the front end of the box door is glued with a main sealing ring, the inner ring of the front end of the main sealing ring is provided with an inner ring sealing ring, and the outer ring of the front end of the main sealing ring is provided with an outer ring sealing ring.

[0012] As a further technical scheme of the utility model, the main sealing ring, the inner ring sealing ring and the outer ring sealing ring are integrally formed, and the main sealing ring, the inner ring sealing ring and the outer ring sealing ring have elasticity.

[0013] As a further technical scheme of the utility model, the front end of the box door is fixedly connected with a sensor display screen, and the front end of the sensor display screen is installed with a temperature sensor.

[0014] As a further technical scheme of the utility model, the sensor display screen passes through the box door, the rear end of the sensor display screen is flush with the rear end of the box door, and the sensor display screen and the temperature sensor are electrically connected.

[0015] Compared with the prior art, the utility model has the advantages that the tower crane dual-power control box with interface protection not only realizes the function of fixed wiring protection interface, but also realizes the functions of enhanced sealing and internal temperature feedback.

[0016] (1) By being provided with fixed seat, rear rubber block, limiting groove, front fixed plate, limiting plate, front rubber block and fixed screw, when in use, the input wiring of the commercial power and the diesel generator is connected to the terminal interface at the top of the dual power supply switch, the bottom of the circuit breaker is connected to the input wiring, when the wiring and the interface are connected, the front fixed plate is removed, the wiring is pressed on the rear rubber block according to the position sequence, then the front fixed plate is closed, the limiting plate on the front fixed plate is along the limiting groove at the front end of the fixed seat, and the front rubber block is tightly pressed against the rear rubber block, so that the wire end of the wiring is clamped, the fixed screw is screwed tightly, and the position of the wire end of the wiring is fixed, when external force is pulled, the connection position of the wiring and the interface is not easy to be pulled and displaced violently, the damage probability of the interface is reduced, and the function of fixing the wiring and protecting the interface is realized;

[0017] (2) By being provided with outer convex rim, box door, main sealing ring, inner ring sealing ring and outer ring sealing ring, when in use, with the box door being closed, the main sealing ring is pressed at the front end of the outer convex rim, the inner ring sealing ring is attached to the inner wall of the outer convex rim, and the outer ring sealing ring is attached to the outer wall of the outer convex rim, so that the sealing property of the box door is improved, and the function of improving the sealing property is realized.

[0018] (3) By being provided with sensor display screen and temperature sensor, when in use, the temperature sensor keeps monitoring the temperature inside the steel box body and feeds back the temperature on the sensor display screen, so that the internal temperature can be found in time when the internal temperature is abnormal, and the function of internal temperature feedback is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a fixed seat top view partial section enlarged structural schematic diagram of the utility model;

[0021] Figure 3 It is a main sealing ring partial side view enlarged structural schematic diagram of the utility model;

[0022] Figure 4 It is a box door closed state front view structural schematic diagram of the utility model.

[0023] In the drawing: 1, steel box body; 2, fixed seat; 3, rear rubber block; 4, limiting groove; 5, front fixed plate; 6, limiting plate; 7, front rubber block; 8, fixed screw; 9, dual power supply switch; 10, connecting wire; 11, circuit breaker; 12, outer convex rim; 13, box door; 14, main sealing ring; 15, inner ring sealing ring; 16, outer ring sealing ring; 17, sensor display screen; 18, temperature sensor. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment: Please refer to Figures 1-4 The utility model provides a tower crane dual power control box with interface protection, including steel box 1, the rear end of inside steel box 1 is installed with dual power change over switch 9, the below of dual power change over switch 9 is provided with circuit breaker 11, and the movable joint of dual power change over switch 9, circuit breaker 11 has multiple groups of connecting wires 10, and the left side of the front end of steel box 1 is hinged with box door 13, and the inside of steel box 1 is provided with the wire fixing assembly of protection interface;

[0026] Please refer to Figures 1-4 The utility model provides a tower crane dual power control box with interface protection still includes wire fixing assembly, and wire fixing assembly includes two groups of fixed base 2, and two groups of fixed base 2 are fixedly connected in the upper and lower two ends of the rear inside steel box 1, and the inside of left and right sides of the front end of fixed base 2 is glued with rear rubber block 3 respectively, and the left and right sides of rear rubber block 3 are provided with limiting groove 4 respectively, and the front of fixed base 2 is provided with front fixed plate 5, and the left and right sides of the rear end of front fixed plate 5 are glued with front rubber block 7 respectively, and the left and right sides of front rubber block 7 are provided with limiting plate 6 respectively, and four groups of fixed screws 8 are inserted into the front end of front fixed plate 5;

[0027] The position size of rear rubber block 3, front rubber block 7 is one to one correspondence, and four groups of notches are set up on the opposite surface of rear rubber block 3, front rubber block 7 respectively, the front end of limiting plate 6 and the rear end of front fixed plate 5 are fixedly connected, the position size of limiting groove 4, limiting plate 6 is one to one correspondence, fixed screw 8 penetrates through front fixed plate 5 and extends into the inside of fixed base 2, and fixed screw 8 is symmetrically distributed about the vertical center line of fixed base 2, and fixedly connects the wire protection connector;

[0028] Specifically, as shown in Figure 1 And Figure 2 The wire is pressed on the rear rubber block 3 according to the position order, then the front fixed plate 5 is closed, the limiting plate 6 on the front fixed plate 5 is along the limiting groove 4 of the front end of the fixed base 2, and the wire head of the wire is clamped as the front rubber block 7 abuts against the rear rubber block 3, the fixed screw 8 is screwed in and tightened, and the wire head position is fixed. When external force is pulled, the connection position of the wire and the interface is not easy to be pulled and displaced violently, and the damage probability of the interface is reduced.

[0029] The front end of the steel box body 1 is welded with an outward convex rim 12, the outer ring of the front end of the box door 13 is glued with a main sealing ring 14, the inner ring of the front end of the main sealing ring 14 is provided with an inner ring sealing ring 15, the outer ring of the front end of the main sealing ring 14 is provided with an outer ring sealing ring 16, the main sealing ring 14, the inner ring sealing ring 15 and the outer ring sealing ring 16 are integrally formed, and the main sealing ring 14, the inner ring sealing ring 15 and the outer ring sealing ring 16 are elastic, thereby increasing the overall sealing performance.

[0030] Specifically, as shown in Figure 1 and Figure 3 , the main sealing ring 14 is pressed against the front end of the outward convex rim 12, the inner ring sealing ring 15 is attached to the inner wall of the outward convex rim 12, and the outer ring sealing ring 16 is attached to the outer wall of the outward convex rim 12, thereby increasing the sealing performance of the box door 13.

[0031] The front end of the box door 13 is fixedly connected with a sensor display screen 17, the front end of the sensor display screen 17 is installed with a temperature sensor 18, the sensor display screen 17 penetrates through the box door 13, the rear end of the sensor display screen 17 is flush with the rear end of the box door 13, the sensor display screen 17 and the temperature sensor 18 are electrically connected, and the inside temperature of the device can be intuitively fed back.

[0032] Specifically, as shown in Figure 1 and Figure 4 , the temperature sensor 18 keeps monitoring the inside temperature of the steel box body 1 and feeds back the temperature on the sensor display screen 17, and the inside temperature can be found in time when it is abnormal.

[0033] Working principle: when the utility model is used, firstly, the input line of the commercial power and the diesel generator is connected to the terminal interface at the top of the double power supply switch 9, the bottom of the circuit breaker 11 is connected to the input line, when the line and the interface are connected, the front fixed plate 5 is taken off, the line is pressed on the rear rubber block 3 according to the position sequence, then the front fixed plate 5 is closed, the limiting plate 6 on the front fixed plate 5 is along the limiting groove 4 at the front end of the fixed seat 2, the front rubber block 7 is tightly pressed against the rear rubber block 3, the wire head of the line is clamped, the fixing screw 8 is screwed in and tightened, the wire head position of the line is fixed, when external force is pulled, the connection position of the line and the interface is not easy to be sharply pulled and displaced, and the damage probability of the interface is reduced. When the box door 13 is closed, the main sealing ring 14 is pressed against the front end of the outward convex rim 12, the inner ring sealing ring 15 is attached to the inner wall of the outward convex rim 12, and the outer ring sealing ring 16 is attached to the outer wall of the outward convex rim 12, thereby increasing the sealing performance of the box door 13. The temperature sensor 18 keeps monitoring the inside temperature of the steel box body 1 and feeds back the temperature on the sensor display screen 17, and the inside temperature can be found in time when it is abnormal.

[0034] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A dual-power control box for a tower crane with interface protection, comprising a steel housing (1), characterized in that: A dual power transfer switch (9) is installed at the rear end inside the steel enclosure (1). A circuit breaker (11) is installed below the dual power transfer switch (9). Multiple sets of connecting lines (10) are movably connected between the dual power transfer switch (9) and the circuit breaker (11). A door (13) is hinged to the left side of the front end of the steel enclosure (1). A wire fixing assembly for the protection interface is installed inside the steel enclosure (1). The cable fixing assembly includes two sets of fixing seats (2). The two sets of fixing seats (2) are fixedly connected to the upper and lower ends of the rear of the steel box (1). The front left and right sides of the fixing seat (2) are respectively glued with rear rubber blocks (3). The left and right sides of the rear rubber blocks (3) are respectively provided with limit grooves (4). The front fixing plate (5) is provided in front of the fixing seat (2). The left and right sides of the rear end of the front fixing plate (5) are respectively glued with front rubber blocks (7). The left and right sides of the front rubber blocks (7) are respectively provided with limit plates (6). The front end of the front fixing plate (5) is inserted with four sets of fixing screws (8).

2. The dual-power control box for tower cranes with interface protection according to claim 1, characterized in that: The rear rubber block (3) and the front rubber block (7) are in one-to-one correspondence in position and size, and four sets of slots are respectively opened on the opposite surfaces of the rear rubber block (3) and the front rubber block (7).

3. A dual-power control box for tower cranes with interface protection as described in claim 1, characterized in that: The front end of the limiting plate (6) and the rear end of the front fixing plate (5) are fixedly connected, and the position dimensions of the limiting groove (4) and the limiting plate (6) correspond one-to-one.

4. A dual-power control box for tower cranes with interface protection according to claim 1, characterized in that: The fixing screw (8) passes through the front fixing plate (5) and extends into the interior of the fixing seat (2). The fixing screw (8) is symmetrically distributed about the vertical center line of the fixing seat (2).

5. A dual-power control box for a tower crane with interface protection according to claim 1, characterized in that: The front end of the steel box (1) is welded with an outwardly protruding edge (12), the outer ring of the front end of the box door (13) is glued with a main sealing ring (14), the inner ring of the front end of the main sealing ring (14) is provided with an inner ring sealing ring (15), and the outer ring of the front end of the main sealing ring (14) is provided with an outer ring sealing ring (16).

6. A dual-power control box for a tower crane with interface protection according to claim 5, characterized in that: The main sealing ring (14), inner ring sealing ring (15), and outer ring sealing ring (16) are integrally formed, and the main sealing ring (14), inner ring sealing ring (15), and outer ring sealing ring (16) are elastic.

7. A dual-power control box for a tower crane with interface protection according to claim 1, characterized in that: A sensor display screen (17) is fixedly connected to the front end of the door (13), and a temperature sensor (18) is installed at the front end of the sensor display screen (17).

8. A dual-power control box for a tower crane with interface protection according to claim 7, characterized in that: The sensor display screen (17) extends through the door (13), and the rear end of the sensor display screen (17) is flush with the rear end of the door (13). The sensor display screen (17) and the temperature sensor (18) are electrically connected.

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