Electrical cabinet lifting device

Abstract

The utility model discloses an electrical cabinet lifting device, which relates to the technical field of electrical equipment, and comprises a mounting seat with a cable hole, two X-shaped hinging frames, a plate-shaped base with a cable hole and a screw-driven plate pulling assembly, the plate pulling assembly is connected to the base in a self-guiding sliding manner through at least two guide bolts, and the two X-shaped hinging frames are arranged on the mounting seat. The upper end and the lower end of the front side of the hinge frame are hinged to the base and the mounting base respectively, and the upper end and the lower end of the rear side of the hinge frame are slidably connected with the base and the mounting base through pulling plate assemblies respectively and provided with positioning mechanisms matched with the pulling plate assemblies. According to the utility model, not only are the stability of the hinging frame in the sliding operation and the position fixation of the hinging frame after the sliding operation are fully ensured, but also the stress capacity of the pulling plate assembly is greatly improved, and finally, the overall operation safety and reliability are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical equipment technical field, specifically, relate to a kind of electrical cabinet lifting device. BACKGROUND

[0002] The application of air-insulated cabinet and other electrical cabinets is very wide, and there are many types of equipment. However, the type of spare parts for electrical cabinets in the power distribution operation area during work is relatively single. Once a single unit of the electrical cabinet fails, the cabinet needs to be replaced. Different types of cabinets often cannot be spliced. The most common reason is that the height of the electrical cabinet is inconsistent. Therefore, a device is needed to adjust the height of the electrical cabinet.

[0003] However, the existing technology related to electrical cabinet lifting devices, such as patent application CN116316191A, can achieve the lifting of the mounting seat by the cooperation of the base, the mounting seat for carrying the electrical cabinet, the two X-shaped articulated racks that can be extended or retracted, and the driving mechanism for driving the articulated rack. This can achieve the lifting of the electrical cabinet carried by the mounting seat to a certain extent. However, the driving mechanism of the existing technology includes a screw rod with two opposite direction threads. The bottom support of the articulated rack often needs to slide during work. The stability during sliding is generally poor. The articulated rack is prone to move after work due to accidental sliding, which affects the overall work safety and reliability. At the same time, the stress capacity of the driving mechanism in the existing technology is limited. For example, the driving mechanism is often connected to the end of the base and directly stressed by the screw rod. The base is mostly a frame structure, which makes the driving mechanism prone to damage after long-term use, further affecting the overall work safety and reliability.

[0004] Therefore, a new technical solution is needed to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an electrical cabinet lifting device to solve the technical problem of the existing technology that the articulated rack slides with poor stability, and the articulated rack is prone to move after work due to accidental sliding, which affects the overall work safety and reliability. At the same time, the stress capacity of the driving mechanism in the existing technology is limited, which further affects the overall work safety and reliability.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides an electrical cabinet lifting device, including mounting seat, plate base, screw rod drive formula pull plate subassembly and two X type hinged frame, mounting seat and base are all tray structure and all have cable hole, the cable hole on base and mounting seat all respectively open on the bottom wall of oneself and one one correspondence set up, the left and right sides top of mounting seat respectively extend to form two fixed plate I outward horizontally, every fixed plate I all are distributed with a plurality of electrical cabinet fixed hole along its length direction interval, the left and right sides bottom of base respectively extend to form two fixed plate II outward horizontally, every fixed plate II all are distributed with a plurality of bottom mounting hole along its length direction interval, the electrical cabinet fixed hole and bottom mounting hole of same side one one correspondence set up, pull plate subassembly is connected on base through at least two guide bolts from the self-guided type slip, the upper and lower ends of hinged frame front side are hinged with base and mounting seat respectively, the upper and lower ends of hinged frame rear side are connected with base and mounting seat slip through pull plate subassembly and are all equipped with the positioning mechanism with pull plate subassembly cooperation.

[0008] Further, the lower surface of the mounting seat and the inner upper surface of the base are respectively bolted with two groups of sliding supports, each group of the sliding supports includes two L-shaped support plates symmetrically arranged left and right, each of the hinged frames includes an intermediate link I and an intermediate link II which are hingedly connected and cross arranged, the intermediate link I and the intermediate link II are parallel to each other, the upper ends of the two intermediate link I are respectively hingedly connected to the inner wall sides of the front ends of the vertical portions of the two L-shaped support plates on the mounting seat, a lower linkage shaft is vertically connected between the lower ends of the two intermediate link I, two waist-shaped sliding grooves II are respectively formed on the two L-shaped support plates on the base, the two ends of the lower linkage shaft respectively pass through the rear ends of the vertical portions of the two L-shaped support plates on the base through the two waist-shaped sliding grooves II horizontally and slidably, the lower ends of the two intermediate link II are respectively hingedly connected to the inner wall sides of the front ends of the vertical portions of the two L-shaped support plates on the base, an upper linkage shaft is vertically connected between the upper ends of the two intermediate link II, two waist-shaped sliding grooves I are respectively formed on the two L-shaped support plates on the mounting seat, the two ends of the upper linkage shaft respectively pass through the rear ends of the vertical portions of the two L-shaped support plates on the mounting seat through the two waist-shaped sliding grooves I horizontally and slidably, a shaft sleeve is respectively sleeved on the positions of the left and right ends of the upper linkage shaft and the lower linkage shaft which are located on the inner sides of the corresponding L-shaped support plates, a lock nut is respectively threadedly connected on the positions of the left and right ends of the upper linkage shaft and the lower linkage shaft which are located on the outer sides of the corresponding L-shaped support plates, each of the lock nuts is provided with a gasket matched therewith, and the gasket and the corresponding lock nut together constitute a positioning mechanism.

[0009] Further, the pull plate assembly comprises an adjusting screw, an adjusting nut, a pull plate and a screw fixing support, the pull plate is in the structure of an open drawer, the screw fixing support is in the structure of a groove, the top and the side of the groove structure towards the pull plate are open, the front end top of the pull plate and the screw fixing support respectively extends forward horizontally to form a baffle I and a baffle II, the front end of the adjusting screw is rotatably installed in the screw fixing support, the screw fixing support is bolted on the inner upper surface of the base, the lower linkage shaft vertically penetrates the rear end of the pull plate and the pull plate is located at the middle position of the lower linkage shaft, the rear end of the adjusting screw extends into the pull plate and is coaxially arranged with the pull plate, the adjusting nut is threadedly connected on the adjusting screw and is fixed with the inner wall of the front end of the pull plate, the bottom wall of the pull plate is also provided with a guide long slot for the vertical penetration of a guide bolt, and the guide bolt is locked and connected with the base after penetrating the guide long slot.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、the utility model discloses two X-shaped hinged frames, a mounting seat with a cable hole and a base, which meet the installation conditions of the electrical cabinet with cables, the upper and lower ends of the front side of the hinged frame are hingedly connected with the base and the mounting seat respectively, the upper and lower ends of the rear side of the hinged frame are slidably connected with the base and the mounting seat through the screw driving type pull plate assembly, the pull plate replaces the rod directly under stress, which preliminarily improves the stress capacity, and only the rear legs of the hinged frame need to slide during operation, which fully guarantees the stability of the hinged frame during sliding operation, and the positioning mechanism of the upper and lower ends of the rear side of the hinged frame cooperates with the pull plate assembly, which further guarantees the position fixing of the hinged frame after sliding operation, thereby greatly improving the overall operation safety and reliability, in addition, the base is plate-shaped, and the pull plate assembly is slidably connected to the base through at least two guide bolts, which further improves the stability of the hinged frame during sliding and greatly improves the stress capacity of the pull plate assembly, thereby further improving the overall operation safety and reliability.

[0012] 2. The pull plate assembly of this utility model includes an adjusting screw, an adjusting nut, a pull plate, and a screw fixing bracket. This utility model achieves the sliding operation of the pull plate under the action of the adjusting screw by the adjusting nut being threaded onto the adjusting screw and fixed to the inner wall of the front end of the pull plate. The pull plate has an upward-opening drawer-shaped structure, which not only provides external protection for the adjusting screw and adjusting nut but also greatly enhances the load-bearing capacity of the pull plate and the entire pull plate assembly, thus fully ensuring the overall operational safety and reliability. Furthermore, the front end of the adjusting screw is rotatably installed inside a screw fixing bracket, which is bolted to the inner upper surface of the base. The screw fixing bracket has a groove-shaped structure with an open top and an open side facing the pull plate, further ensuring the stability of the adjusting screw connection and installation, thereby further guaranteeing the overall operational safety and reliability.

[0013] 3. In this utility model, the cable holes on the base and the mounting base are respectively opened on their own bottom walls and correspond one by one vertically. The electrical cabinet fixing holes on the mounting base on the same side correspond one by one vertically with the bottom mounting holes of the base. The above settings effectively ensure the smooth and stable installation of the electrical cabinet and its cables, thereby further ensuring the overall operational safety and reliability. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0015] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ;

[0016] Figure 3 This is a schematic diagram illustrating the working principle of the articulated frame of this utility model;

[0017] Figure 4 for Figure 3 A cross-sectional view along the AA direction;

[0018] Figure 5 This is a structural schematic diagram of the lower linkage shaft and screw fixing bracket in this utility model;

[0019] Figure 6 for Figure 5 Cross-sectional view along the BB direction;

[0020] Figure 7 This is a schematic diagram of the mounting base, lower linkage shaft, and upper linkage shaft in this utility model;

[0021] In the diagram: 1. Adjusting screw, 2. Guide bolt, 3. Mounting base, 31. Cable hole I, 4. Fixing plate I, 41. Electrical cabinet fixing hole, 5. Base, 51. Cable hole II, 6. Fixing plate II, 61. Bottom mounting hole, 7. L-shaped bracket plate, 71. Waist-shaped slide groove I, 72. Waist-shaped slide groove II, 8. Hinge frame, 81. Intermediate connecting rod I, 82. Intermediate connecting rod II, 9. Lower linkage shaft, 10. Upper linkage shaft, 11. Bushing, 12. Set nut, 13. Washer, 14. Pull plate, 141. Guide groove, 142. Baffle I, 15. Adjusting nut, 16. Screw fixing bracket, 161. Baffle II. Detailed Implementation

[0022] The present invention will be further described below with reference to the embodiments and accompanying drawings, but in no way is the present invention limited.

[0023] Please see Figures 1 to 7 The diagram illustrates an electrical cabinet lifting device, comprising a mounting base 3 and a base 5 arranged vertically in a tray structure, and two hinged frames 8 symmetrically arranged on the left and right sides between the mounting base 3 and the base 5. Two L-shaped support plates 7 are symmetrically bolted to the lower surface of the mounting base 3 and the inner upper surface of the base 5, respectively. Each hinged frame 8 includes a central connecting rod I 81 and a central connecting rod II 82 that are hinged to each other and intersecting. The lower ends of the two central connecting rods II 82 are hinged to the inner wall of the front vertical section of the two L-shaped support plates 7 on the base 5. A horizontally arranged upper linkage shaft 10 passes vertically between the upper ends of the two central connecting rods II 82. Two waist-shaped sliding grooves I 71 are respectively opened at the rear ends of the vertical sections of the two L-shaped support plates 7 on the mounting base 3, and the upper linkage shaft 10 is horizontally slidably connected between the two L-shaped support plates 7 on the mounting base 3 through the two waist-shaped sliding grooves I 71. The two central connecting rods I 81 are parallel to each other. The upper ends of the two intermediate connecting rods I81 are respectively hinged to the inner wall of the front vertical part of the two L-shaped bracket plates 7 on the mounting base 3 (the basic components such as nuts required for existing hinges are not specifically described here, but this should not limit their functionality). The lower ends of the two intermediate connecting rods I81 are vertically connected to a horizontally arranged lower linkage shaft 9. The rear ends of the vertical parts of the two L-shaped bracket plates 7 on the base 5 are respectively provided with two waist-shaped sliding grooves II72. The lower linkage shaft 9 can be horizontally slidably connected between the two L-shaped bracket plates 7 on the base 5 through the two waist-shaped sliding grooves II72. The left and right ends of the upper linkage shaft 10 and the lower linkage shaft 9 are respectively fitted with bushings 11. The bushings 11 are located inside the corresponding L-shaped bracket plates 7 of the upper linkage shaft 10 and the lower linkage shaft 9. The left and right ends of the upper linkage shaft 10 and the lower linkage shaft 9 are respectively threaded with set nuts 12 at the positions on the outside of the corresponding L-shaped bracket plates 7. Each set nut is provided with a washer 13 that mates with it.

[0024] Furthermore, the lower linkage shaft 9 vertically passes through the rear end of a horizontally positioned pull plate 14. The pull plate 14 is located in the middle of the lower linkage shaft 9 and has an upward-opening drawer-shaped structure. An adjusting nut 15 is vertically fixed to the inner wall of the front end of the pull plate 14. The adjusting nut 15 is threaded onto an adjusting screw 1. A slotted screw fixing bracket 16 is bolted to the middle of the front end of the inner upper surface of the base 5. The rear end of the adjusting screw 1 extends coaxially into the interior of the pull plate 14, and the front end of the adjusting screw 1 is rotatably mounted on the screw fixing bracket. Inside the frame 16, the top of the screw fixing bracket 16 and the side facing the pull plate 14 are both open. The bottom wall of the pull plate 14 also has a guide groove 141 parallel to its length direction. Two guide bolts 2 that are adapted to the guide bolts 2 pass vertically through the guide groove 141 to connect the pull plate 14 to the inner upper surface of the base 5. The pull plate 14 can be horizontally slid through the guide bolts 2. The front top of the pull plate 14 and the screw fixing bracket 16 also extend forward horizontally to form baffle I 142 and baffle II 161, respectively.

[0025] Furthermore, the top of the left and right sides of the mounting base 3 extends outward horizontally to form a fixing plate I4. Each fixing plate I4 has four electrical cabinet fixing holes 41 (used for connecting electrical cabinets) spaced apart along its length. The top of the left and right sides of the base 5 extends outward horizontally to form a fixing plate II6. Each fixing plate II6 has four bottom mounting holes 61 (used for connecting to the ground or channel steel) spaced apart along its length. The bottom wall of the mounting base 3 also has three cable holes I31 spaced apart along its length, and the bottom wall of the base 5 also has three cable holes II51 spaced apart along its length. The electrical cabinet fixing holes 41 and bottom mounting holes 61 on the same side are arranged vertically and vertically respectively, and the three cable holes I31 and three cable holes II51 are arranged vertically and vertically respectively.

[0026] The working principle and workflow of this utility model are as follows (based on the tallest electrical cabinet, an adjustable lifting device is added to the bottom of the shorter electrical cabinet):

[0027] During operation, the rotation of adjusting screw 1 (which can be manually operated with a screwdriver or driven by a motor) drives the adjusting nut 15 to move back and forth. The back and forth movement of adjusting nut 15 drives the pull plate 14 to move back and forth on the base 5, which in turn drives the lower linkage shaft 9 and the upper linkage shaft 10 to move back and forth synchronously (that is, the upper linkage shaft 10 and the lower linkage shaft 9 slide back and forth in the waist-shaped slide groove I 71 and the waist-shaped slide groove II 72 respectively), so that the two hinged frames 8 retract or expand synchronously, thereby realizing the lifting and lowering of the mounting base 3. During the whole process, when the upper linkage shaft 10 and the lower linkage shaft 9 run to the front end of the waist-shaped slide groove I 71 and the waist-shaped slide groove II 72 respectively, the mounting base 3 is at the highest height after adjustment. When the upper linkage shaft 10 and the lower linkage shaft 9 run to the rear end of the waist-shaped slide groove I 71 and the waist-shaped slide groove II 72 respectively, the mounting base 3 is at the lowest height after adjustment.

[0028] In addition, when the mounting base 3 is adjusted to the required height, simply tighten the set nut 12 to ensure the overall position is fixed.

Claims

1. An electrical cabinet lifting device, comprising a mounting base with cable holes and two X-shaped hinged frames, characterized in that, It also includes a plate-shaped base with cable holes and a screw-driven pull plate assembly. The pull plate assembly is self-guided and slidably connected to the base by at least two guide bolts. The upper and lower ends of the front side of the hinge frame are hinged to the base and the mounting seat, respectively. The upper and lower ends of the rear side of the hinge frame are slidably connected to the base and the mounting seat, respectively, through the pull plate assembly and are each provided with a positioning mechanism that cooperates with the pull plate assembly.

2. The electrical cabinet lifting device according to claim 1, characterized in that, Both the base and the mounting base are tray structures. Two sets of sliding brackets are bolted to the lower surface of the mounting base and the inner upper surface of the base, respectively. Each set of sliding brackets includes two L-shaped bracket plates that are symmetrical from left to right.

3. The electrical cabinet lifting device according to claim 2, characterized in that, Each of the hinged frames includes intermediate link I and intermediate link II that are hinged to each other and intersecting each other, and intermediate link I and intermediate link II are parallel to each other.

4. An electrical cabinet lifting device according to claim 3, characterized in that, The upper ends of the two intermediate connecting rods I are respectively hinged to the inner wall of the front end of the vertical part of the two L-shaped bracket plates on the mounting base. The lower ends of the two intermediate connecting rods I are vertically connected to a lower linkage shaft. The two ends of the lower linkage shaft can slide horizontally through the rear end of the vertical part of the two L-shaped bracket plates on the base. The lower ends of the two intermediate connecting rods II are respectively hinged to the inner wall of the front end of the vertical part of the two L-shaped bracket plates on the base. The upper ends of the two intermediate connecting rods II are vertically connected to an upper linkage shaft. The two ends of the upper linkage shaft can slide horizontally through the rear end of the vertical part of the two L-shaped bracket plates on the mounting base.

5. An electrical cabinet lifting device according to claim 4, characterized in that, The pull plate assembly includes an adjusting screw, an adjusting nut, and a pull plate with an upward-opening drawer-shaped structure. The front end of the adjusting screw is rotatably mounted inside a screw fixing bracket, which is bolted to the inner upper surface of the base. The rear end of the adjusting screw extends into the pull plate and is coaxial with it. The adjusting nut is threaded onto the adjusting screw and fixed to the inner wall of the front end of the pull plate. A guide groove is provided in the middle of the bottom wall of the pull plate for a guide bolt to pass through vertically. After passing through the guide groove, the guide bolt is locked to the base. The lower linkage shaft passes vertically through the rear end of the pull plate, and the pull plate is located in the middle of the lower linkage shaft. The top of the front end of the pull plate and the screw fixing bracket extend forward horizontally to form baffle I and baffle II, respectively.

6. An electrical cabinet lifting device according to claim 5, characterized in that, The screw fixing bracket has a groove-shaped structure, and the top of the groove-shaped structure and the side facing the pull plate are both open.

7. An electrical cabinet lifting device according to claim 4, characterized in that, The mounting base has two L-shaped bracket plates, each with two waist-shaped sliding grooves I for the upper linkage shaft to pass through and slide, and the base has two L-shaped bracket plates, each with two waist-shaped sliding grooves II for the lower linkage shaft to pass through and slide.

8. An electrical cabinet lifting device according to claim 4, characterized in that, The left and right ends of the upper and lower linkage shafts are respectively fitted with bushings at the inner side of the corresponding L-shaped bracket plates. The left and right ends of the upper and lower linkage shafts are respectively threaded with set nuts at the outer side of the corresponding L-shaped bracket plates. Each set nut is provided with a matching washer, and the washer and the corresponding set nut together form a positioning mechanism.

9. An electrical cabinet lifting device according to claim 2, characterized in that, The top of the left and right sides of the mounting base extends outward horizontally to form two fixing plates I. Each fixing plate I has multiple electrical cabinet fixing holes spaced apart along its length. The bottom of the left and right sides of the base extends outward horizontally to form two fixing plates II. Each fixing plate II has multiple bottom mounting holes spaced apart along its length. The electrical cabinet fixing holes and bottom mounting holes on the same side are arranged vertically and vertically.

10. An electrical cabinet lifting device according to claim 1, characterized in that, The cable holes on the base and mounting bracket are each opened on their own bottom wall and are arranged in a corresponding manner, one above the other.

Images