CN-115610486-B - 2-Degree-of-freedom adjustable breaker transfer trolley

CN115610486BCN 115610486 BCN115610486 BCN 115610486BCN-115610486-B

Abstract

The invention discloses a 2-degree-of-freedom adjustable circuit breaker transferring trolley which comprises a main body frame, wherein the main body frame comprises a rear support, a left support arm and a right support arm, a plurality of heavy universal wheels are arranged at the bottom of the rear support, fixed wheels are arranged at the bottoms of the left support arm and the right support arm, two pairs of horizontal distance adjusting mechanisms are symmetrically and fixedly arranged on the rear support, a vertical lifting mechanism and a hand driving mechanism are respectively arranged on the left support arm and the right support arm, when the hand driving mechanism is manually operated to move, the horizontal distance adjusting mechanism is driven to move, a guide rail supporting table is indirectly and synchronously driven to move up and down, so that the adjustment of the distance between the two sides is realized.

Inventors

YU WENZHI
LI JUNYU
ZHAO YUZHI
FENG JIANPING
HE ZHOU
ZHU YANQIN
LIN JINGFU
ZHENG DEZHI
ZHONG XIAOFENG
HUANG WEISHAN

Assignees

广州致新电力科技有限公司

Dates

Publication Date: 20260508
Application Date: 20221009

Claims (8)

1. A2-degree-of-freedom adjustable breaker transfer trolley comprises a main body frame and is characterized in that the main body frame comprises a rear support, a left support arm and a right support arm, a plurality of heavy universal wheels are arranged at the bottom of the rear support, fixed wheels are arranged at the bottoms of the left support arm and the right support arm, two pairs of horizontal distance adjusting mechanisms are symmetrically and fixedly arranged on the rear support, the horizontal distance adjusting mechanisms are used for adjusting the distance between the left support arm and the right support arm, vertical lifting mechanisms are respectively arranged at the vertical position of the left support arm and the vertical position of the right support arm, the vertical lifting mechanisms comprise guide rail supporting tables, hand driving mechanisms are respectively arranged at the horizontal position of the left support arm and the horizontal position of the right support arm, the hand driving mechanisms are matched with the vertical lifting mechanisms through transmission components, when the hand driving mechanisms are manually operated, the hand driving mechanisms are driven to move, the vertical lifting mechanisms are indirectly and synchronously driven to move up and down, the vertical distance adjustment is achieved, the left support arm and the right support arm and the vertical lifting mechanisms are respectively provided with a conical gear, a crank is driven by a crank, a crank gear is arranged at the vertical conical gear, a crank gear is formed by the crank, and a crank gear is driven by the crank, and a crank gear is in a hollow cavity is formed by the hollow cavity through the hollow bevel gear, and the hollow shafts are welded through the hollow shafts, and finally, synchronous lifting of the guide rail supporting table is realized.
2. The 2-degree-of-freedom adjustable circuit breaker transferring trolley according to claim 1, wherein the main body frame further comprises a left handrail upright post and a right handrail upright post, the left handrail upright post and the right handrail upright post are respectively arranged on the rear support, and each of the left handrail upright post and the right handrail upright post is a sheet metal bending piece, and a handle fixing hole and a hole for fixing the rear support for transferring are formed in each sheet metal bending piece.
3. The 2-degree-of-freedom adjustable circuit breaker transferring trolley is characterized in that the rear support is a Z-shaped base formed by mutually and perpendicularly welding a pedal, a vertical plate and a guide shaft support mounting plate, four reinforcing rib plates used for fixing two pairs of horizontal distance adjusting mechanisms are welded in the angle range between the vertical plate and the guide shaft, and the reinforcing rib plates are combined into a region used for mounting two pairs of horizontal distance adjusting mechanisms.
4. The 2-degree-of-freedom adjustable circuit breaker transferring trolley is characterized in that the guide rail supporting table comprises a left guide rail supporting table and a right guide rail supporting table, the left guide rail supporting table and the right guide rail supporting table are composed of a sliding table and a guide rail tray, five base-shaped bosses are milled on one end face of the sliding table, guide shaft holes and vertical screw nut flange holes are formed in the bosses, and the guide rail tray is formed by welding a trapezoid steel plate, a bottom plate and embedded guide rails.
5. The 2-degree-of-freedom adjustable circuit breaker transferring trolley is characterized in that the horizontal distance adjusting mechanism comprises a horizontal adjusting self-locking screw pair and a guide shaft pair, the horizontal adjusting self-locking screw pair comprises a horizontal adjusting self-locking screw, a screw support and a screw nut, the screw support is arranged on the side face of the reinforcing rib plate, two ends of the horizontal adjusting self-locking screw, which pass through flange holes on the left support arm and the right support arm after being assembled, are arranged in bearing seats of the screw support and can flexibly rotate, a hand wheel is fixedly arranged at the extending end of the horizontal adjusting self-locking screw, the screw nut is fixed on the left support arm and the right support arm, and after the hand wheel is manually rotated, the horizontal adjusting self-locking screw can positively and negatively rotate and can drive the screw nut to horizontally move.
6. The 2-degree-of-freedom adjustable circuit breaker transferring trolley according to claim 5, wherein the guiding shaft pair is arranged above the horizontal adjusting self-locking screw rod pair, the guiding shaft pair comprises a guiding shaft, a flange shaft sleeve and an optical axis support, the flange shaft sleeve is fixed on the left support arm and the right support arm, and the two ends of the guiding shaft, which pass through the flange shaft sleeve, are fixed on the optical axis support and can slide smoothly.
7. The 2-degree-of-freedom adjustable circuit breaker transferring trolley according to claim 4 is characterized in that the vertical lifting mechanism further comprises an up-down adjusting self-locking screw pair and a vertical guiding pair, wherein the up-down adjusting self-locking screw pair comprises an up-down adjusting self-locking screw, a vertical screw support and a vertical screw nut, two ends of the up-down adjusting self-locking screw are fixed on the vertical screw support after the vertical screw nut is installed on the up-down adjusting self-locking screw, and the vertical screw support is fixed on the inner face of a C-shaped steel of a middle vertical beam for supporting.
8. The 2-degree-of-freedom adjustable circuit breaker transferring trolley according to claim 7, wherein the vertical guide pair is arranged on two sides of the upper and lower adjusting self-locking screw rod pair, the vertical guide pair consists of a vertical guide shaft and a shaft base, the shaft base is fixed on the inner face of the middle vertical beam type C steel for supporting, and the vertical screw rod nut is fixed on the sliding table.

Description

2-Degree-of-freedom adjustable breaker transfer trolley Technical Field The invention relates to the field of electric equipment machinery, in particular to a 2-degree-of-freedom adjustable circuit breaker transfer trolley. Background In a three-phase alternating current 50Hz,40.5kV single-bus segmented power system, KYN61-40.5 armored movable metal closed switch equipment is widely applied to power plants, power transformation stations, industrial and mining enterprises and high-rise buildings and occupies the main position in 40.5kV air insulation equipment, in the domestic power market, two types of circuit breakers are matched at most, one type of circuit breaker is a domestic model ZN85-40.5 circuit breaker, and the other type of circuit breaker is an ABB VD4 series circuit breaker. The weight of the circuit breaker reaches 400 KG and the height reaches 1.2 meters, and the circuit breaker is not realized by adopting a common transfer trolley to realize the transfer cabinet of the circuit breaker as a small circuit breaker or separating the circuit breaker from the cabinet body due to maintenance. In order to avoid the problems, it is common practice to provide imported transfer trolleys in substations provided with VD-series circuit breakers, which are compatible only with foreign products and do not support the transfer work of ZN85 domestic circuit breakers. Disclosure of Invention The invention aims to provide a transfer trolley for safely transferring ZN85 circuit breakers with different widths until a KYN61 cabinet is fed in by domestic manufacturers, which has the advantages of adjustable distance between left and right guide rails, up-down synchronous lifting function, good structural load bearing property, strong anti-tilting capability, simple operation and convenient loading and unloading, solves the problems of easiness in dumping, difficult cabinet feeding, more cabinet feeding personnel and more cabinet feeding tools of the circuit breakers with heavy gravity, realizes safe transfer, easily feeds the cabinet, and meets the application requirements of ZN85 with different widths and cabinet guide rail heights. The invention is realized by the following technical scheme: a2-degree-of-freedom adjustable breaker transfer trolley is used for safely transferring and easily delivering a cabinet of a domestic ZN85 breaker and comprises a trolley main body frame, 8-inch heavy universal wheels, fixed wheels, a horizontal distance adjusting mechanism, a vertical lifting mechanism and a hand-operated driving mechanism. The main body frame of the trolley consists of a left handrail upright post, a right handrail upright post, a rear support, a left supporting arm and a right supporting arm. The left and right handrail stand columns are arranged on a rear support of the transfer trolley, 8 inch heavy universal wheels and fixed wheels are respectively arranged below the rear support of the transfer trolley and on a left and right support arm to play a supporting, moving and guiding role, two pairs of horizontal self-locking screw rods and guide shafts (static ends) of horizontal distance adjusting mechanisms are symmetrically and horizontally arranged on the rear support, horizontal screw nuts and flange shaft sleeves are arranged on the left and right support arms (moving ends), when the horizontal self-locking screw rods are manually operated, the distance between the left and right support arms can be changed, two pairs of vertical lifting mechanisms are respectively arranged on vertical positions on the left and right support arms, the vertical self-locking screw rods, the vertical guide shafts and a base are fixedly arranged (static ends), the vertical screw nuts are arranged on the side surfaces (moving ends) of a guide rail support table, two pairs of hand-operated driving mechanisms are arranged on the horizontal positions on the left and right support arms and are matched with the vertical lifting mechanisms by adopting a gear structure to transmit torque, and when the hand-operated driving mechanisms are moved manually, the vertical self-locking screw rods are driven to move up and down in the left and right support arms, and the vertical distance adjustment is realized. In summary, the left and right support arms that control the horizontal degree of freedom motion by the horizontal distance adjusting mechanism are the track gauges of the guide rails, and the vertical lifting mechanism controls the height of the vertical degree of freedom motion. Preferably, in order to ensure the space of the loading and unloading directions of the load-bearing object, the rear support of the transfer trolley is symmetrically provided with two hand upright posts, a pedal position is arranged between the upright posts, no barrier is arranged on the pedal, and the load-bearing object is used for operating and loading the ZN85 circuit breaker when a person enters the inner station on the pedal. Preferably, in ord