Limit switch remote quick-change device and crane provided with same

Abstract

The utility model discloses a limit switch remote quick-change device and a crane equipped with the same, the limit switch remote quick-change device comprises a quick-change seat and a base, the quick-change seat comprises a rectangular seat and two limit switch seats located at two sides of the bottom of the rectangular seat, the top of the rectangular seat is equipped with a quick-change rod connecting seat, and the bottom of the rectangular seat is equipped with an electric connector plug. A limit switch is mounted on the limit switch seat; the base is provided with an electric connector socket and an installation sliding groove. The limit switch seat can be inserted into the installation sliding groove to achieve connection of the quick-change seat and the base, and the electric connector plug is inserted into the electric connector socket.

Description

Technical Field

[0001] The utility model relates to the field of limit switch replacement, in particular to a limit switch remote quick-change device and a crane for installing the device. Background Art

[0002] At present, CNC cranes sometimes need to work in toxic or radioactive environments. When the crane is working in such an environment, if the limit switch on it is damaged or undergoing maintenance, the maintenance personnel cannot enter the hot room and need to take the limit switch out of the hot room for maintenance or replacement. However, the limit switches on existing cranes are directly installed on the crane through threaded connections, and remote quick replacement cannot be achieved. If a person manually enters this environment to replace the limit switch, it will cause harm to the human body. Utility Model Content

[0003] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a limit switch remote quick-change device and a crane for installing the device; the device can achieve remote and quick replacement through auxiliary tools, thereby reducing the harm to the human body caused by toxic, radioactive and other harsh environments, and compared with the prior art, the structure is relatively simple.

[0004] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0005] In the first aspect, an embodiment of the utility model provides a limit switch remote quick-change device, including a quick-change seat and a base, the quick-change seat including a rectangular seat and two limit switch seats located on both sides of the bottom of the rectangular seat, a quick-change rod connecting seat is installed on the top of the rectangular seat, an electrical connector plug is installed on the bottom, and a limit switch is installed on the limit switch seat; an electrical connector socket and an installation groove are arranged on the base; the limit switch seat can be inserted into the installation groove to realize the connection between the quick-change seat and the base, and the electrical connector plug is inserted into the electrical connector socket.

[0006] As a further technical solution, the base includes a bottom plate, an electrical connector socket mounting seat is arranged at the center position of the bottom plate, and an electrical connector socket and a gland are arranged on the electrical connector socket mounting seat, and the wires of the electrical connector socket are connected to an external power source through the gland.

[0007] As a further technical solution, two slots are formed between the electrical connector socket mounting seat and the bottom plate, and the slots are used to cooperate with the limit switch seat.

[0008] As a further technical solution, glands are installed on two sides of the rectangular seat, and the cables of the electrical connector plug are connected to the limit switches on both sides through the glands on both sides.

[0009] As a further technical solution, the limit switch seat includes two parts, one part is the insertion arm, and the other part is the limit switch mounting plate vertically connected to the insertion arm.

[0010] As a further technical solution, in order to allow the insertion arm to be smoothly inserted into the slot of the electrical connector socket, guide surfaces are provided on both the insertion arm and the electrical connector socket mounting seat.

[0011] As a further technical solution, the quick-change rod connecting seat is used to cooperate with the quick-change rod.

[0012] As a further technical solution, the quick-change rod connecting seat and the rectangular seat are detachably connected via a connecting piece.

[0013] In a second aspect, an embodiment of the utility model further provides a crane, on which the aforementioned limit switch remote quick-change device is installed.

[0014] As a further technical solution, the base is installed on a crane.

[0015] The beneficial effects of the above-mentioned embodiments of the utility model are as follows:

[0016] The utility model arranges a quick-change seat and a base, arranges the limit switch on the quick-change seat, and arranges a slot on the base, thereby realizing quick connection and matching between the quick-change seat and the base, and the limit switch can be quickly replaced through the quick-change rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0018] Figure 1 It is a schematic diagram of the quick-change seat of the utility model;

[0019] Figure 2 It is a schematic diagram of the base of the utility model;

[0020] Figure 3 A cross-sectional view of the plug and socket of the utility model electrical connector;

[0021] Figure 4 This is a schematic diagram of the quick-change seat and the base being inserted and fixed in the utility model;

[0022] In the figure: 1 quick-change seat, 11 rectangular seat, 12 limit switch seat, 2 quick-change rod connecting seat, 3 first gland, 4 limit switch, 5 base, 51 bottom plate, 52 electrical connector socket mounting seat, 6 electrical connector plug, 7 electrical connector socket, 8 second gland. DETAILED DESCRIPTION

[0023] It should be noted that the following detailed descriptions are all illustrative and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0024] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless otherwise explicitly stated in the present invention, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or their combinations;

[0025] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present invention, they only indicate that they are consistent with the up, down, left and right directions of the drawings themselves, and do not limit the structure. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0026] As introduced in the background technology, in order to solve the above technical problems, the utility model proposes a remote quick-change device for a limit switch, which mainly includes a quick-change seat and a base. The quick-change seat includes a rectangular seat and two limit switch seats located on both sides of the bottom of the rectangular seat. A quick-change rod connecting seat is installed on the top of the rectangular seat, and an electric connector plug is installed on the bottom. A limit switch is installed on the limit switch seat; an electric connector socket and an installation groove are arranged on the base; the limit switch seat can be inserted in the installation groove to realize the connection between the quick-change seat and the base, and the electric connector plug is inserted in the electric connector socket.

[0027] Specifically, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a limit switch remote quick-change device disclosed in this embodiment mainly includes a quick-change seat 1 and a base 5, which are inserted together;

[0028] like Figure 1As shown, the quick-change seat 1 includes a rectangular seat 11 and two limit switch seats 12 located on both sides of the bottom of the rectangular seat, one of the limit switch seats 12 is bent to the left side of the rectangular seat 11, and the other limit switch seat 12 is bent to the right side of the rectangular seat 11, and they are symmetrically arranged with each other, and the limit switches 4 are installed on the two limit switch seats 12; the quick-change rod connecting seat 2 is installed on the top of the rectangular seat 11, and the electric connector plug 6 is installed on the bottom, and the first glands 3 are installed on the two side surfaces of the rectangular seat 11, that is, a first gland 3 is installed on the left side, and a first gland 3 is installed on the right side, the first gland 3 on the left side is used to connect the limit switch 4 on the left side with the limit switch seat 12, and the first gland 3 on the right side is used to connect the limit switch 4 on the right side with the limit switch seat 12, that is, the cable of the electric connector plug 6 is connected to the limit switches 4 on both sides through the first glands 3 on both sides to supply power to the limit switches.

[0029] Furthermore, the above-mentioned limit switch seat 12 includes two parts, one part is the plug-in arm, and the other part is the limit switch mounting plate vertically connected to the plug-in arm; the plug-in arm is used to be inserted into the slot on the base 5;

[0030] like Figure 2 As shown, the base 5 includes a bottom plate 51, an electric connector socket mounting seat 52 is arranged at the center position of the bottom plate 51, and an electric connector socket 7 and a gland 8 are arranged on the electric connector socket mounting seat 52, the wires of the electric connector socket 7 are connected to the external power supply through the second gland 8, and when the quick-change seat is inserted into the base 5, the electric connector socket 7 is connected to the above-mentioned electric connector plug 6, after the two are connected, electricity can be obtained through the limit switch; and two left and right slots are formed between the electric connector socket mounting seat 52 and the bottom plate 51, and the left and right slots are used to cooperate with the insertion arm of the limit switch seat 12, and when the insertion arm is inserted into the base 5 from the top of the slot, the connection between the quick-change seat 1 and the base 5 can be realized.

[0031] In order to allow the insertion arm to be smoothly inserted into the slot of the electrical connector socket, guide surfaces are provided on both the insertion arm and the electrical connector socket mounting seat. Specifically, an inclined surface is provided at the initial position where the insertion arm and the electrical connector socket mounting seat cooperate. Figure 1 The lower slope of the inner side of the middle insertion arm and Figure 2 The two inclined surfaces on the upper inner side surface of the upper part of the mounting seat of the Chinese electrical connector socket are guide surfaces of this embodiment.

[0032] Furthermore, the quick-change rod connecting seat 2 is detachably connected to the top of the rectangular seat 11 by bolts, and includes a hollow cylindrical seat that cooperates with the quick-change rod, and a clamping part is set on the top of the hollow cylindrical seat for cooperating with the quick-change rod to achieve clamping.

[0033] Specifically, the limit quick-change base 5 is fixed on the CNC crane, and there is an installation slot on the limit quick-change base 5. The quick-change seat 1 is installed in the slot through the quick-change rod. The limit switch is fixed on the quick-change seat 1. The limit switch is connected by an electrical connector for signal connection. The plug part of the electrical connector is fixed on the quick-change seat 1, and the socket part is fixed on the base.

[0034] When installing the device, the quick-change rod and the quick-change rod connecting seat 2 are fixed, and the quick-change seat 1 is installed on the base 5 using the quick-change rod, and the electrical connector plug and the socket are connected at the same time.

[0035] When disassembling, use the quick-change rod to connect the quick-change rod connecting seat, pull out the quick-change seat 1 upward, and disconnect the electrical connector at the same time, so that the entire limit switch is taken out of the hot room.

[0036] The utility model can realize the remote and rapid replacement of the limit switch, and has a compact structure and is easy to install.

[0037] As shown in the figure, use the auxiliary tool quick-change rod to connect the quick-change rod connecting seat 2, slowly lower the quick-change seat 1, slide the quick-change seat into the base, the electrical connector plug 6 and the electrical connector socket 7 are connected, remove the auxiliary tool quick-change rod, and the limit switch 4 is installed.

[0038] When taking out the limit switch 4, first connect the auxiliary tool quick-change rod to the quick-change rod connecting seat 3, slowly lift the quick-change seat, disconnect the electrical connector plug 6 from the electrical connector socket 7, and complete the quick change.

[0039] The first gland 3 and the second gland 8 are mainly used to fix the cable and also play a role of sealing and protection.

[0040] This embodiment also provides a crane, the crane comprising the above-mentioned limit switch remote quick-change device. Since the crane is provided with the above-mentioned limit switch remote quick-change device, the limit switch on the crane can be quickly replaced remotely.

[0041] Finally, it should be noted that relational terms such as first and second are merely used to distinguish one entity or operation from another entity or operation, but do not necessarily require or imply any actual relationship or order between these entities or operations.

[0042] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A limit switch remote quick change device, characterized in that: It includes a quick-change seat and a base. The quick-change seat includes a rectangular seat and two limit switch seats located on both sides of the bottom of the rectangular seat. The top of the rectangular seat is installed with a quick-change rod connecting seat, the bottom is installed with an electric connector plug, and the limit switch is installed on the limit switch seat; the base is provided with an electric connector socket and an installation slide groove; the limit switch seat can be inserted into the installation slide groove to realize the connection between the quick-change seat and the base, and the electric connector plug is inserted into the electric connector socket.

2. The limit switch remote quick-change device according to claim 1, characterized in that: The base comprises a bottom plate, an electric connector socket mounting seat is arranged at the center of the bottom plate, and an electric connector socket and a gland are arranged on the electric connector socket mounting seat, and the wires of the electric connector socket are connected to an external power source through the gland.

3. The limit switch remote quick change device according to claim 2, characterized in that: Two slots are formed between the electrical connector socket mounting seat and the bottom plate, and the slots are used to cooperate with the limit switch seat.

4. The limit switch remote quick change device according to claim 1, characterized in that: Gland heads are installed on two sides of the rectangular seat, and the cables of the electric connector plug are connected with the limit switches on both sides through the Gland heads on both sides.

5. The limit switch remote quick change device according to claim 1, characterized in that: The limit switch seat comprises an inserting arm and a limit switch mounting plate vertically connected to the inserting arm.

6. The limit switch remote quick change device according to claim 5, characterized in that: Guide surfaces are arranged on both the insertion arm and the electrical connector socket mounting seat.

7. The limit switch remote quick change device according to claim 1, characterized in that: The quick-change rod connecting seat is used to cooperate with the quick-change rod.

8. The limit switch remote quick change device according to claim 1, characterized in that: The quick-change rod connecting seat and the rectangular seat are detachably connected via a connecting piece.

9. A crane, characterized in that: The limit switch remote quick-change device described in any one of claims 1 to 8 is installed on the crane.

10. The crane according to claim 9, characterized in that The base is installed on a crane.

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