Special lifting appliance for circuit breaker

Abstract

The utility model discloses a special lifting appliance for a circuit breaker, which comprises a lifting appliance main body used for being connected with a crane, a protection assembly surrounding the periphery of the circuit breaker and a middle connecting piece penetrating through the circuit breaker, and the lifting appliance main body is respectively fixedly connected with the protection assembly and detachably connected with the middle connecting piece. The two ends of the middle connecting piece are detachably connected with the protection assemblies respectively. According to the special lifting appliance for the circuit breaker, the protection assembly and the middle connecting piece can integrally wrap and fix the circuit breaker, so that the circuit breaker can be protected to keep stable and safe in the transportation process. The lifting appliance main body is connected with a crane, so that the integral lifting of the circuit breaker can be realized, and the lifting efficiency and safety are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breaker transportation, in particular to a special hoist for circuit breakers. Background Art

[0002] As an important component in the electrical control cabinet, the circuit breaker is characterized by irregular shape and some of its components are fragile. It must not be bumped during maintenance and replacement. A single circuit breaker needs to be pulled out of the electrical cabinet for maintenance and replacement. The important part of this process is lifting and hoisting. Because there is no dedicated lifting point designed for this component, hoisting is difficult and the risk of equipment damage is high.

[0003] At present, the method used for hoisting circuit breakers is: use bolts to install a hook as a lifting point on one side, and hoist with the help of personnel. The main disadvantages of this hoisting method are: ① Manual handling can easily cause injuries to the waist and fingers of personnel. ② The hoisting of both sides of the circuit breaker is unbalanced, causing the equipment to overturn and damage the equipment. ③ The fragile parts of the circuit breaker are easily bumped. ④ The hoisting method is complicated and inefficient. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a special hanging device for circuit breaker.

[0005] The utility model adopts the following technical solution to solve the technical problem: a special hoist for circuit breaker, comprising a hoist main body for hoist connection, a protection component arranged around the outer periphery of the circuit breaker and an intermediate connecting piece passing through the circuit breaker, the hoist main body being fixedly connected to the protection component and detachably connected to the intermediate connecting piece, and both ends of the intermediate connecting piece being detachably connected to the protection component.

[0006] Preferably, in the special hanger for circuit breaker described in the utility model, the intermediate connecting piece is provided with a plurality of avoidance grooves whose shapes match the internal structure of the circuit breaker, and the opening direction of the avoidance grooves faces the hanger body.

[0007] Preferably, in the circuit breaker special hanger of the utility model, the protection assembly includes a head plate, at least two side plates and a bottom plate, the head plate is connected to the hanger body, the two side plates are respectively arranged on both sides of the hanger body and are respectively connected to the head plate, and the two side plates are respectively connected to the intermediate connecting piece, and the bottom plate is arranged opposite to the intermediate connecting piece and is respectively connected to the two side plates;

[0008] The two side panels are arranged opposite to each other.

[0009] Preferably, in the circuit breaker special hanger of the utility model, the intermediate connecting piece is provided on the first outer end surfaces of the two side plates, the bottom plate is provided on the second outer end surfaces of the two side plates, and the first outer end surface is opposite to the second outer end surface;

[0010] The hanger body extends from the second outer end surface to the first outer end surface.

[0011] Preferably, in the circuit breaker special hanger of the utility model, the protection assembly further comprises two connecting parts, and the two connecting parts are respectively arranged on the outer sides of the two side plates close to the first outer end surface;

[0012] The connecting portion is detachably connected to the intermediate connecting member via a fastener.

[0013] Preferably, in the special lifting device for circuit breaker described in the utility model, the lifting device body includes a crane connecting piece provided with at least one lifting hole, a vertical plate connected to the protection component and at least two inclined plates connected to the intermediate connecting piece, the vertical plates protrude outside the protection component and are respectively connected to the inclined plates at acute angles, and the crane connecting piece is arranged between the two inclined plates and fixedly connected to the vertical plates.

[0014] Preferably, in the special lifting device for circuit breaker described in the utility model, the crane connecting member is a plate body, and the crane connecting member is vertically arranged at the middle position of the vertical plate and fixedly connected to the vertical plate.

[0015] Preferably, in the special lifting device for circuit breaker described in the utility model, the crane connecting piece is provided with at least two lifting holes, and the two lifting holes are spaced apart along the length direction of the crane connecting piece.

[0016] Preferably, in the special lifting tool for circuit breaker described in the utility model, the special lifting tool for circuit breaker further comprises at least one handle, and the handle is connected to the outer side surface of the intermediate connecting piece which is opposite to the protection assembly.

[0017] Preferably, in the special hanger for circuit breaker described in the utility model, the hanger body, the protection assembly and the intermediate connecting piece are respectively made of stainless steel materials.

[0018] By implementing the utility model, the following beneficial effects are achieved:

[0019] The protective assembly and the intermediate connector of the circuit breaker special lifting device of the utility model can wrap and fix the circuit breaker as a whole, and can protect the circuit breaker to remain stable and safe during transportation. The lifting device body is fixedly connected to the protective assembly and detachably connected to the intermediate connector, and provides a lifting point to connect with the crane, which can realize the overall lifting of the circuit breaker and improve the lifting efficiency and safety of the circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0021] Figure 1 This is a schematic diagram of the overall structure of a special lifting device for a circuit breaker according to an embodiment of the utility model;

[0022] Figure 2 yes Figure 1 Schematic diagram of the structure of the special lifting device for circuit breaker from another perspective. DETAILED DESCRIPTION

[0023] In order to have a clearer understanding of the technical features, purposes and effects of the present utility model, the specific implementation methods of the present utility model are now described in detail with reference to the accompanying drawings.

[0024] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0025] In the description of the utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or a chemical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0027] See also Figure 1 and Figure 2 An embodiment of the utility model discloses a special hoist for a circuit breaker, which is used for hoisting the circuit breaker, simplifies the hoisting procedure and protects the circuit breaker at the same time.

[0028] The circuit breaker special lifting device comprises a lifting device body 1 for lifting machine connection, a protection component 2 arranged around the outer periphery of the circuit breaker and an intermediate connection piece 3 penetrating the circuit breaker, the lifting device body 1 is respectively fixedly connected to the protection component 2 and detachably connected to the intermediate connection piece 3, and both ends of the intermediate connection piece 3 are respectively detachably connected to the protection component 2. Preferably, the lifting device body 1, the protection component 2 and the intermediate connection piece 3 are respectively made of stainless steel materials.

[0029] Furthermore, the sling body 1 includes a crane connecting member 11 having at least one lifting hole, a vertical plate 12 connected to the protection component 2, and at least two inclined plates 13 connected to the intermediate connecting member 3. The vertical plates 12 protrude from the protection component 2 and are respectively connected to the inclined plates 13 at an acute angle. The crane connecting member 11 is arranged between the two inclined plates 13 and is fixedly connected to the vertical plates 12. Figure 2 direction, the crane connecting member 11 extends along the longitudinal direction of the circuit breaker.

[0030] Furthermore, the crane connection member 11 is vertically arranged at the middle of the vertical plate 12 and is fixedly connected to the vertical plate 12. The crane connection member 11 is provided with at least two hanging holes, and the two hanging holes are arranged at intervals along the length direction of the crane connection member 11. Figure 2 The two lifting holes are arranged at intervals along the longitudinal direction of the circuit breaker to adapt to the center of gravity of different circuit breakers and ensure the balance of lifting. Preferably, in this embodiment, the number of the lifting holes is 4.

[0031] Further, the protection assembly 2 includes a head plate 21, at least two side plates 22 and a bottom plate 23, the head plate 21 is connected to the sling body 1, the two side plates 22 are respectively arranged on both sides of the sling body 1 and are respectively connected to the head plate 21, and the two side plates 22 are respectively connected to the intermediate connector 3, the bottom plate 23 is arranged opposite to the intermediate connector 3 and is respectively connected to the two side plates 22, and the two side plates 22 are arranged opposite to each other. Preferably, a drawer shape is formed between the head plate 21, at least two side plates 22 and the bottom plate 23, the head of the circuit breaker is loaded into the drawer, and the circuit breaker is locked using the intermediate connector 3.

[0032] Furthermore, the intermediate connecting member 3 is disposed on the first outer end surface 221 of the two side plates 22, and the bottom plate 23 is disposed on the second outer end surface 222 of the two side plates 22, and the first outer end surface 221 is opposite to the second outer end surface 222. The sling body 1 extends from the second outer end surface 222 to the first outer end surface 221.

[0033] Furthermore, the protection component 2 also includes two connecting parts 24, which are respectively arranged on the outer sides of the two side plates 22 close to the first outer end surface 221, and the connecting parts 24 are detachably connected to the intermediate connecting member 3 through fasteners.

[0034] Furthermore, the intermediate connector 3 is provided with a plurality of avoidance grooves 31 whose shapes match the internal structure of the circuit breaker, and the opening direction of the avoidance grooves 31 faces the hanger body 1. Preferably, the avoidance grooves 31 are arc-shaped and can abut against the internal structure of the circuit breaker.

[0035] Furthermore, the intermediate connecting member 3 is a plate body. In order to facilitate holding, the circuit breaker special lifting tool further includes at least one handle (not shown in the figure), and the handle is connected to the outer side of the intermediate connecting member 3 facing away from the protection component 2.

[0036] It can be understood that, except for the detachable connections between the middle connecting member 3 and the inclined plate 13 and the side plates, for example, connected by fasteners such as bolts and nuts, other components such as the side plate 22 and the head plate 21, the crane connecting member 11 and the vertical plate 12, etc. can be detachably connected, for example, connected by fasteners such as bolts and nuts, or can be non-detachably connected, for example, connected and fixed by welding or the like.

[0037] The method of using the special hoist for circuit breakers of the utility model is as follows: first, the protective assembly 2 is mounted on the circuit breaker, and then the intermediate connector 3 is passed through the inside of the circuit breaker and connected and fixed to the two side plates 22 respectively, and the inclined plate 13 is connected and fixed to the intermediate connector 3 at the same time, and finally the crane is connected to the lifting hole to perform the lifting operation. Manual handling is avoided during lifting, and lifting on both sides is not required, which solves the rollover problem caused by unbalanced lifting of the circuit breaker. The fragile position of the circuit breaker is also wrapped as a whole by the protective assembly 2, which solves the bump problem and can improve the overall operation efficiency.

[0038] By implementing the utility model, the following beneficial effects are achieved:

[0039] The protective component 2 and the intermediate connector 3 of the circuit breaker special lifting device of the utility model can wrap and fix the circuit breaker as a whole, and can protect the circuit breaker to remain stable and safe during transportation. The lifting device body 1 is fixedly connected to the protective component 2 and detachably connected to the intermediate connector 3, and provides a lifting point to connect with the crane, which can realize the overall lifting of the circuit breaker and improve the lifting efficiency and safety of the circuit breaker.

[0040] It can be understood that the above embodiments only express the preferred implementation methods of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the utility model; it should be pointed out that for ordinary technicians in this field, without departing from the concept of the utility model, the above embodiments or technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the utility model, that is, the embodiments described in "some embodiments" can be freely combined with any of the above and below embodiments; therefore, all equivalent changes and modifications made to the scope of the claims of the utility model should fall within the scope of the claims of the utility model.

Claims

1. A special lifting device for circuit breaker, characterized in that: The invention comprises a lifting device body (1) for connecting to a crane, a protection component (2) arranged around the outer periphery of the circuit breaker, and an intermediate connection piece (3) penetrating the circuit breaker, wherein the lifting device body (1) is respectively fixedly connected to the protection component (2) and detachably connected to the intermediate connection piece (3), and both ends of the intermediate connection piece (3) are respectively detachably connected to the protection component (2).

2. The circuit breaker special lifting device according to claim 1, characterized in that: The intermediate connecting piece (3) is provided with a plurality of avoidance grooves (31) whose shapes match the internal structure of the circuit breaker, and the opening direction of the avoidance grooves (31) faces the hanger body (1).

3. The circuit breaker special lifting device according to claim 1, characterized in that: The protection component (2) comprises a head plate (21), at least two side plates (22) and a bottom plate (23); the head plate (21) is connected to the sling body (1); the two side plates (22) are respectively arranged on both sides of the sling body (1) and are respectively connected to the head plate (21); the two side plates (22) are respectively connected to the middle connecting piece (3); the bottom plate (23) is arranged opposite to the middle connecting piece (3) and is respectively connected to the two side plates (22); The two side panels (22) are arranged opposite to each other.

4. The circuit breaker special lifting device according to claim 3, characterized in that: The intermediate connecting member (3) is arranged on the first outer end surfaces (221) of the two side plates (22), and the bottom plate (23) is arranged on the second outer end surfaces (222) of the two side plates (22), wherein the first outer end surface (221) is opposite to the second outer end surface (222); The sling body (1) extends from the second outer end surface (222) to the first outer end surface (221).

5. The circuit breaker special lifting device according to claim 4, characterized in that: The protection assembly (2) further comprises two connection parts (24), wherein the two connection parts (24) are respectively arranged on the outer sides of the two side plates (22) close to the first outer end surface (221); The connecting portion (24) is detachably connected to the intermediate connecting member (3) via a fastener.

6. The circuit breaker special lifting device according to claim 1, characterized in that: The sling body (1) comprises a crane connecting member (11) provided with at least one lifting hole, a vertical plate (12) connected to the protection component (2), and at least two inclined plates (13) connected to the intermediate connecting member (3), wherein the vertical plates (12) protrude from the outside of the protection component (2) and are respectively connected to the inclined plates (13) at an acute angle, and the crane connecting member (11) is arranged between the two inclined plates (13) and is fixedly connected to the vertical plates (12).

7. The circuit breaker special lifting device according to claim 6, characterized in that: The crane connecting member (11) is a plate body, and the crane connecting member (11) is vertically arranged at the middle position of the vertical plate (12) and is fixedly connected to the vertical plate (12).

8. The circuit breaker special lifting device according to claim 7, characterized in that: The crane connecting piece (11) is provided with at least two lifting holes, and the two lifting holes are arranged at intervals along the length direction of the crane connecting piece (11).

9. The circuit breaker special lifting device according to any one of claims 1 to 8, characterized in that: The circuit breaker special lifting device also includes at least one handle, which is connected to the outer side surface of the intermediate connecting piece (3) facing away from the protection component (2).

10. The circuit breaker special lifting device according to any one of claims 1 to 8, characterized in that: The sling body (1), the protection component (2) and the intermediate connecting piece (3) are respectively made of stainless steel material.

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