Clamping groove limiting type junction box mounting plate structure and mounting device for towed electric excavator

Abstract

The utility model discloses a clamping groove limiting type junction box mounting plate structure and mounting device for a towed electric excavator, and relates to the technical field of excavator accessories, the clamping groove limiting type junction box mounting plate structure comprises a mounting cover plate, one end of the mounting cover plate is fixedly provided with a limiting block arranged at an angle, and one side of the limiting block deviating from the mounting cover plate is provided with a limiting groove; the clamping part is clamped with a winding drum bracket mounting seat; a cover plate bracket is arranged below the other end of the mounting cover plate and is used for being fixedly connected with a chassis; according to the utility model, one end of the junction box mounting plate and the reel bracket mounting seat are clamped and limited by angles through the clamping grooves of the two limiting blocks, and the other end of the junction box mounting plate is fixedly connected with the chassis through the junction box mounting bracket, so that the structures such as bolts and screw seats required by assembly are reduced, the cost is saved, the positioning is convenient, the assembly procedures are reduced, and the production efficiency is improved. And meanwhile, the junction box mounting plate and the junction box mounting bracket are connected through bolts, are detachable, are convenient to maintain, assemble and disassemble, and are beneficial to improving the operation efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to excavator accessory technical field, concretely relates to card slot limiting type junction box mounting plate structure and mounting device for towed electric excavator. BACKGROUND

[0002] With the popularization of new energy in engineering machinery, the demand of towed electric excavator appears. The working principle of towed electric excavator is to provide power through external power supply, such as power grid or external battery, drive motor to run, and then drive hydraulic system to work by motor, realize excavating operation.

[0003] Towed electric excavator usually needs to set junction box for guiding and carding cable direction between reel and chassis, so many junction box mounting plates of towed electric excavator are mounted on chassis and reel support mounting seat to place and install cable junction box.

[0004] The installation of existing junction box mounting plate is mostly bolt assembly type, which needs to weld multiple bolt thread seats and mounting seats on chassis and reel support mounting seat, and the welding and material cost is higher, and the positioning difficulty is great during assembly, and the process is complicated. UTILITY MODEL CONTENT

[0005] In view of one or more deficiencies of the prior art, the utility model provides a card slot limiting type junction box mounting plate structure and mounting device for towed electric excavator, which is limited and assembled by two angle limiting blocks, the installation process is simple, the maintenance and disassembly convenience are effectively improved, and the welding and material cost is saved.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] Firstly, a card slot limiting type junction box mounting plate structure for towed electric excavator is provided, which comprises a mounting cover plate, one end of the mounting cover plate is fixedly provided with an angle limiting block, the side, away from the mounting cover plate, of the limiting block is provided with a limiting groove, used for clamping with reel support mounting seat, and the other end of the mounting cover plate is provided with a cover plate support below, used for fixedly connecting with chassis.

[0008] As a further implementation, the limiting block is welded and fixed on the top surface of the mounting cover plate.

[0009] As a further implementation, two limiting blocks are arranged, and the two limiting blocks are arranged along different angles, so that the limiting grooves are respectively clamped with two wings of the reel support mounting seat, to ensure stable installation.

[0010] As a further implementation mode, the mounting cover plate top is provided with a support bolt, and the limiting cover plate support is fixedly connected to the cover plate support bottom through cooperation of the support bolt and a nut, so that the cover plate support is convenient to disassemble.

[0011] As a further implementation mode, a gasket is arranged between the support bolt and the mounting cover plate top surface to enhance the connection stability.

[0012] As a further implementation mode, a plurality of bolt holes are arranged on the mounting cover plate and used for fixed connection with the junction box and convenient disassembly.

[0013] As a further implementation mode, the mounting cover plate and the cover plate support are made of Q355B steel plates, and the advantages are high strength, good toughness, excellent corrosion resistance and good welding performance.

[0014] In a second aspect, a clamping groove limiting type junction box mounting device for a trailing electric excavator is provided, which comprises a chassis, a drum support mounting seat and a junction box.

[0015] As a further implementation mode, the wing plate of the drum support mounting seat is clamped in the limiting groove between the limiting block and the mounting cover plate, and the end surface of the wing plate of the drum support mounting seat abuts against the inner side surface of the limiting groove.

[0016] As a further implementation mode, the X-shaped lower cover plate of the chassis is welded to the cover plate support.

[0017] With the above technical solution, the utility model has the following beneficial effects:

[0018] 1. In the utility model, one end of the mounting bottom plate is limited by the angle clamping of the limiting groove of the two limiting blocks and the drum support mounting seat, and the other end is fixedly connected to the chassis through the bottom plate support, so that the bolts, the thread seats and other structures required for assembly are reduced, the cost is saved, the positioning is facilitated, the assembly process is reduced, the mounting bottom plate and the bottom plate support are connected through the bolts, the mounting bottom plate and the bottom plate support are detachable, the maintenance and assembly are facilitated, and the operation efficiency is improved.

[0019] 2. The utility model reduces part of the welding process, improves the process convenience and reliability. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings constituting a part of the present application are used to provide further understanding of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0021] Figure 1 The structure diagram of the clamping groove limiting type junction box mounting plate structure of one or more embodiments of the present application Figure 1 ;

[0022] Figure 2 The structure diagram of the clamping groove limiting type junction box mounting plate structure of one or more embodiments of the present application Figure 2 ;

[0023] Figure 3 The installation diagram of the junction box of one or more embodiments of the present application

[0024] Figure 4 The installation top view of the junction box in one or more embodiments of the present application.

[0025] In the drawing: 01, clamping groove limiting type junction box mounting plate structure; 02, junction box; 03, bottom disc; 04, drum support mounting seat;

[0026] 1, installation cover plate; 2, limiting block; 3, limiting groove; 4, cover plate support; 5, support bolt; 6, nut; 7, gasket; 8, bolt hole. DETAILED DESCRIPTION

[0027] It should be noted that the following detailed description is all exemplary, and is intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as that generally understood by those skilled in the art to which the present application belongs.

[0028] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form, and in addition, it should be understood that when the terms "comprise" and / or "include" are used in the specification, they indicate the presence of a feature, step, operation, device, component and / or combination thereof. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] Embodiment one

[0030] In a typical embodiment of the present application, a clamping groove limiting type junction box mounting plate structure for a dragline excavator is provided, as shown in Figures 1-2As shown, the mounting cover plate 1 is provided with an angle limiting block 2 at one end, and a limiting groove 3 is formed on the side of the limiting block away from the mounting cover plate, for clamping with the drum support mounting seat; a cover plate support 4 is arranged below the other end of the mounting cover plate, for fixed connection with the base plate.

[0031] In this embodiment, the mounting cover plate 1 is the main body of the clamping groove limiting type terminal box mounting plate structure, which is a steel plate bent downward at one end, as shown in Figure 1 As shown, two limiting blocks 2 are fixed on the top surface of the bent end of the mounting cover plate 1, and limiting grooves 3 are formed between the outer sides of the two limiting blocks and the mounting cover plate, and the two limiting blocks 2 are arranged at different angles for clamping and fixing with the drum support mounting seat. The other side of the mounting cover plate 1 is connected and fixed with the base plate through the cover plate support 4 arranged below. The limiting grooves 3 of the two limiting blocks 2 are both directed outward, which can be clamped with the two wings of the drum support mounting seat to achieve limiting, so as to ensure stable installation. When clamping the groove, the top surface and the bottom surface of the drum support mounting seat are in contact with the bottom surface of the limiting block and the top surface of the mounting cover plate respectively, and at the same time, the outer end surface of the wing plate of the drum support mounting seat is in contact with the side wall surface of the limiting groove. Therefore, the height of the limiting groove is adaptively set according to the thickness of the wing plate of the edge of the drum support mounting seat, so as to prevent the mounting plate structure from moving up and down relative to the drum support mounting seat after installation. In this embodiment, the included angle between the two limiting blocks is 21° and is symmetrically arranged.

[0032] Among them, the two limiting blocks 2 are fixedly installed on the top of the mounting cover plate 1 in a welding manner.

[0033] Specifically, as shown in Figure 1 , 2 As shown, the cover plate support 4 is an inverted U-shaped plate, the top surface of the cover plate support 4 is attached to the bottom surface of the mounting cover plate 1, and the two legs of the cover plate support 4 are used for welding and fixing with the base plate. In this embodiment, a support bolt 5 is arranged on the top of the mounting cover plate 1, and the mounting cover plate 1 is fixedly connected with the cover plate support 4 through the cooperation of the support bolt 5 and a nut 6, forming a detachable structure, which facilitates the installation, disassembly and maintenance of the entire clamping groove limiting type terminal box mounting plate structure, and reduces the operation difficulty. As shown in Figure 1 A gasket 7 is arranged between the support bolt 5 and the top surface of the mounting cover plate 1, which can enhance the connection stability.

[0034] In this embodiment, the mounting cover plate and the cover plate support are made of Q355B steel plate, which has high strength, good toughness, excellent corrosion resistance and good welding performance, and is widely used in the field of engineering machinery.

[0035] In addition, as shown in Figure 1 , 2As shown, a plurality of bolt holes 8 are provided through the mounting cover plate 1, the junction box can be fixedly mounted on the top of the mounting cover plate through the bolt holes 8, and the junction box is convenient to disassemble.

[0036] Embodiment two

[0037] In another typical embodiment of the present application, a clamping groove limiting type junction box mounting device for a trailing electric excavator is provided, as shown in Figures 3-4 As shown, the clamping groove limiting type junction box mounting device comprises a bottom plate 03, a drum support mounting seat 04 and a junction box 02, the junction box is installed between the bottom plate 03 and the drum support mounting seat 04 through the clamping groove limiting type junction box mounting plate structure 01 in the first embodiment, wherein the bottom surface of the junction box 2 is bolted to the clamping groove limiting type junction box mounting plate structure 01, one end of the clamping groove limiting type junction box mounting plate structure is clamped and limited to the drum support mounting seat 04, and the other end is fixedly connected to the bottom plate 03.

[0038] In the embodiment, as shown in Figure 4 The junction box 02 is installed on the top of the mounting cover plate 1 and bolted to the mounting cover plate 1 through the bolt holes 8. The edge of the drum support mounting seat 04 is a wing plate arranged at an angle, which can be clamped in the limiting groove 3 between the limiting block 2 and the mounting cover plate 1, wherein the end surface of the wing plate of the drum support mounting seat abuts against the inner side surface of the limiting groove, and the top surface and the bottom surface of the edge of the wing plate are in contact with the limiting block and the mounting cover plate respectively, so as to realize reliable limiting and fixing.

[0039] In addition, as shown in Figure 2 、 3 The X-frame lower cover plate of the bottom plate 03 is located below the mounting cover plate 1, and the X-frame lower cover plate of the bottom plate 03 is in contact with the supporting leg of the cover plate support 4 and fixedly connected through welding.

[0040] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit it, and those skilled in the art should understand that the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A slot-type limiting junction box mounting plate structure for an electric excavator, characterized in that, The device includes a mounting cover plate, one end of which is fixedly provided with an angled limiting block. The limiting block has a limiting groove on the side away from the mounting cover plate for engaging with the drum bracket mounting seat. The other end of the mounting cover plate is provided with a cover plate bracket for fixed connection with the chassis.

2. The mounting plate structure of the slot-type limiting junction box for an electric excavator as described in claim 1, characterized in that, The limiting block is welded and fixed to the top surface of the mounting cover plate.

3. The mounting plate structure of the slot-type limiting junction box for an electric excavator as described in claim 1, characterized in that, Two limiting blocks are provided, and the two limiting blocks are set at different angles so that the limiting grooves respectively engage with the two wings of the drum bracket mounting base.

4. The mounting plate structure of the slot-type limiting junction box for an electric excavator as described in claim 1, characterized in that, The top of the mounting cover is provided with a bracket bolt, and the limiting cover bracket is fixedly connected to the bottom of the cover bracket by the bracket bolt and nut.

5. The mounting plate structure of the slot-type limiting junction box for an electric excavator as described in claim 4, characterized in that, A washer is installed between the bracket bolt and the top surface of the mounting cover plate.

6. The mounting plate structure of the slot-type limiting junction box for an electric excavator as described in claim 1, characterized in that, The mounting cover plate has several bolt holes for fixed connection with the junction box.

7. The mounting plate structure of the slot-type limiting junction box for an electric excavator as described in claim 1, characterized in that, The mounting cover and cover bracket are made of Q355B steel plate.

8. A slot-type limiting junction box mounting device for an electric excavator, comprising a chassis, a drum bracket mounting base, and a junction box, characterized in that, The junction box is installed between the chassis and the drum bracket mounting base via the slot-limiting junction box mounting plate structure as described in any one of claims 1-7. The bottom surface of the junction box is bolted to the slot-limiting junction box mounting plate structure. One end of the slot-limiting junction box mounting plate structure is engaged and limited by the drum bracket mounting base, and the other end is fixedly connected to the chassis.

9. The slot-type junction box installation device for an electric excavator as described in claim 8, characterized in that, The wing plate of the roller bracket mounting base is engaged in the limiting groove between the limiting block and the mounting cover plate, and the end face of the wing plate of the roller bracket mounting base abuts against the inner side of the limiting groove.

10. The slot-type junction box installation device for an electric excavator as described in claim 8, characterized in that, The lower cover plate of the X-frame of the chassis is welded to the cover plate bracket.

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