CN214755098U

CN214755098U - PT handcart removes stop gear

Info

Publication number: CN214755098U
Application number: CN202023273025.9U
Authority: CN
Inventors: 杨利梅
Original assignee: Chongqing Runbang Electric Co ltd
Current assignee: Chongqing Runbang Electric Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-16
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to a PT handcart technical field specifically discloses a PT handcart removes stop gear. Including the support frame and be located the spacing platform of support frame top, support frame upper surface rigid coupling has a plurality of screw rods, equal threaded connection has the sleeve pipe on the screw rod, sheathed tube free end all rotates with spacing platform lower surface to be connected, spacing platform upper surface is opened there are a plurality of guide rails, it is equipped with first stopper to slide on the guide rail, guide rail one end still is equipped with the recess, it is equipped with the return stroke limiting plate to slide in the recess, the guide arc of drawing into is handed to the PT of being convenient for opened to return stroke limiting plate upper end, equal rigid coupling has supporting spring between the tank bottom of return stroke limiting plate and recess, the utility model aims to solve traditional PT handcart when taking out, fall the bottom surface easily to cause the problem that the PT handcart damaged.

Description

PT handcart removes stop gear

Technical Field

The application relates to the technical field of PT handcarts, and particularly discloses a PT handcart movement limiting mechanism.

Background

The movable switch cabinet generally adopts a handcart structure, the PT handcart is one of various handcart schemes, components and parts such as a voltage transformer (PT), a fuse, an isolating switch and the like are installed on the PT handcart, and when the movable switch cabinet is required to be overhauled, an maintainer takes out the PT handcart from the movable switch cabinet, so that the components and parts are checked or replaced, the operation is convenient, and the power failure time of equipment is greatly reduced.

Under the condition that the switch is disconnected, the PT handcart can be pulled out of the switch cabinet by hand after the guide rail is laid, so that the PT handcart can be maintained or replaced conveniently. The PT handcart can freely move on the guide rail and can be directly drawn out as long as required; however, as a key component of the power equipment, a PT handcart is improperly drawn out, so that a safety accident occurs, and potential safety hazards exist, therefore, the inventor provides a PT handcart movement limiting mechanism in view of the above, so as to solve the above problems.

Disclosure of Invention

The utility model aims to solve traditional PT handcart when taking out, fall the bottom surface easily to cause the problem that the PT handcart damaged.

In order to achieve the purpose, the utility model provides a PT handcart movement limiting mechanism, which comprises a support frame and a limiting platform positioned above the support frame, wherein the upper surface of the support frame is fixedly connected with a plurality of screw rods, the screw rods are all in threaded connection with a sleeve, and the free ends of the sleeve are all in rotational connection with the lower surface of the limiting platform;

the limiting platform is characterized in that a plurality of guide rails are arranged on the upper surface of the limiting platform, a first limiting block is arranged on the guide rails in a sliding mode, a groove is further formed in one end of each guide rail, a return limiting plate is arranged in the groove in a sliding mode, a guide arc convenient for PT to scratch in is formed in the upper end of the return limiting plate, and supporting springs are fixedly connected between the return limiting plate and the groove bottom of the groove.

The principle and effect of this basic scheme lie in:

1. the sleeve is in threaded connection with the threaded rod and is in rotary connection with the limiting platform, so that when the limiting platform is used, the horizontal state of the limiting platform can be changed by respectively using different sleeves and threaded rods; and simultaneously, all the sleeves and the threaded rods are adjusted together, so that the height of the limiting platform can be adjusted.

2. After on sliding the guide rail of spacing platform with the PT handcart, at first can contact the interior return stroke limiting plate that slides and set up at the guide rail, the PT handcart is according to the guide arc of return stroke limiting plate upper end in pressing the recess with the return stroke limiting plate, when the PT handcart passes through completely, supporting spring supports out the limiting plate, because return stroke limiting plate is the plane towards first stopper one end, the PT handcart just can not press it back the recess again, consequently alright utilize the return stroke limiting plate to inject it in the guide rail, prevent that the PT handcart from falling spacing platform.

3. After on sliding the PT handcart to the guide rail of spacing platform, then can contact the first stopper that slides the setting in the guide rail, then continue to slide the PT handcart and set up on spacing platform, move the spacing platform back when whole PT handcart, stop sliding the PT handcart, the PT handcart this moment because the weight of self probably has certain being used to, consequently first stopper alright block it to prevent that the PT handcart from falling because its inertia from spacing platform.

Compared with the prior art, this stop gear not only can adapt to not the withdrawable cubical switchboard of co-altitude, when unloading the PT handcart moreover, can effectively ensure the PT handcart can not fall, has not only protected operation staff's safety, has also prevented the condition that the PT handcart damaged simultaneously, easy operation, and the feasibility is high, is convenient for use widely on a large scale.

Furthermore, a buffer spring is arranged on one side, deviating from the return limiting plate, of the first limiting block. The inertia of the PT handcart is discharged through the buffer spring.

Furthermore, limiting supports are symmetrically and fixedly connected to two sides of the limiting platform. And two sides of the limiting platform are symmetrically and fixedly connected with limiting supports. The limiting support can prevent the PT handcart from falling down from two sides of the limiting platform.

Furthermore, a second limiting plate is symmetrically and fixedly connected to one side, away from the return limiting plate, of the limiting support. Because the PT handcart has a take the altitude, the second limiting plate can further reduce because the PT handcart focus is too high, from the condition that the limit platform falls.

Furthermore, a tool cabinet is arranged on the support frame. The tool is convenient to recycle.

Furthermore, a plurality of vacuum suckers are symmetrically arranged on the support frame. The vacuum chuck is convenient for install the support frame laminating on removing formula cubical switchboard, makes things convenient for the removal of PT handcart.

Furthermore, a plurality of self-locking universal wheels are arranged on the bottom surface of the support frame. Improve the removal convenience of support frame.

Furthermore, a horizontal bubble is arranged in the center of the limiting platform. Whether the limiting platform is in the horizontal position or not is conveniently judged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a front view of a PT handcart movement limiting mechanism according to an embodiment of the present application;

fig. 2 shows a top view of a PT handcart movement limiting mechanism according to an embodiment of the present application;

fig. 3 shows a partial cross-sectional view of a groove in a PT handcart movement limiting mechanism according to an embodiment of the present application.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the tool cabinet comprises universal wheels 1, a support frame 2, a tool cabinet 3, a vacuum chuck 4, a screw 5, a sleeve 6, a groove 7, a first limiting block 8, a limiting platform 9, a limiting support 10, a second limiting plate 11, a buffer spring 12, a return limiting plate 13, a horizontal bubble 14, a guide rail 15 and a supporting spring 16.

The embodiment is shown in fig. 1, spacing platform 9 is located 2 tops of support frame, spacing platform 9 left side bilateral symmetry has welded a set of spacing support 10, as shown in fig. 2, a set of second limiting plate 11 support frame 2 has been welded to spacing support 10's downside symmetry, as shown in fig. 1, four universal wheels 1 that can auto-lock have been installed to support frame 2 bottom surface, set up a tool cabinet 3 in the support frame 2, two vacuum chuck 4 have been installed to 2 rear side symmetries of support frame, a screw rod 5 has all been welded at four angles on 2 upper surfaces of support frame, equal threaded connection has a sleeve pipe 6 on every screw rod 5, spacing platform 9 lower surface inlays has four bearings, the upper end of sleeve pipe 6 all is connected through bearing and spacing platform 9 lower surface rotation.

As shown in fig. 2, two guide rails 15 have been processed to spacing platform 9 upper surface, all slide on every guide rail 15 and be equipped with a first stopper 8, a buffer spring 12 has all been welded to first stopper 8 downside, as shown in fig. 1 and 2, guide rail 15 front end has all set up a recess 7, as shown in fig. 3, it is equipped with a return stroke limiting plate 13 to slide in the recess 7, the guide arc that the handheld income of PT of being convenient for is opened to return stroke limiting plate 13 upper end, equal rigid coupling has a supporting spring 16 between the tank bottom of return stroke limiting plate 13 and recess 7.

During the use, at first utilize two vacuum chuck 4 to fix support frame 2 in the corresponding position of removal-type cubical switchboard, then lock universal wheel 1, according to the height and the horizontal relation of removal-type cubical switchboard, rotate four sleeve pipes 6, then adjust the level condition and the height of spacing platform 9, alright begin to draw into the PT handcart.

After the PT handcart slides to the guide rail 15 of the limiting platform 9, the PT handcart firstly contacts and slides the inner return limiting plate 13 arranged on the guide rail 15, the return limiting plate 13 is pressed back into the groove 7 by the PT handcart according to a guide arc at the upper end of the return limiting plate 13, after the PT handcart completely passes through, the limiting plate is pressed out by the supporting spring 16, and because one end of the return limiting plate 13 facing the first limiting block 8 is a plane, the PT handcart can not be pressed back into the groove 7, the return limiting plate 13 can be limited in the guide rail 15, so that the PT handcart is prevented from falling down the limiting platform 9; after the PT handcart slides to the guide rail 15 of the limiting platform 9, the PT handcart can contact with the first limiting block 8 arranged in the guide rail 15 in a sliding manner, then the PT handcart is continuously arranged on the limiting platform 9 in a sliding manner, and after the whole PT handcart moves to the limiting platform 9, the sliding of the PT handcart is stopped, and at the moment, the PT handcart can have certain inertia due to the self weight, so that the PT handcart can be blocked by the first limiting block 8 to prevent the PT handcart from falling off from the limiting platform 9 due to the self inertia; spacing support 10 can prevent that the PT handcart from falling down from spacing platform 9 both sides, because the PT handcart has a take the altitude, second limiting plate 11 can further reduce because the PT handcart focus is too high, from the condition that the spacing platform falls.

The utility model discloses not only can adapt to not co-altitude's removal-type cubical switchboard, when lifting off the PT handcart in addition, can effectively ensure the PT handcart can not fall, not only protected operation personnel's safety, also prevented the condition that the PT handcart damaged simultaneously, easy operation, the feasibility is high, is convenient for use widely on a large scale.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a PT handcart removes stop gear which characterized in that: the device comprises a support frame and a limiting platform positioned above the support frame, wherein the upper surface of the support frame is fixedly connected with a plurality of screw rods, the screw rods are in threaded connection with sleeves, and the free ends of the sleeves are in rotary connection with the lower surface of the limiting platform;

2. The PT handcart movement limiting mechanism of claim 1, wherein the first limiting block is provided with a buffer spring on the side away from the return limiting plate.

3. The PT handcart movement limiting mechanism of claim 1, wherein limiting supports are symmetrically and fixedly connected to two sides of the limiting platform.

4. The PT handcart movement limiting mechanism of claim 3, wherein a second limiting plate is symmetrically and fixedly connected to one side of the limiting bracket away from the return limiting plate.

5. The PT handcart movement limiting mechanism of claim 1, wherein the support frame is provided with a tool cabinet.

6. The PT handcart movement limiting mechanism of claim 5, wherein a plurality of vacuum chucks are symmetrically arranged on the supporting frame.

7. The PT handcart movement limiting mechanism of claim 5, wherein a plurality of self-lockable universal wheels are arranged on the bottom surface of the support frame.

8. The PT handcart movement limiting mechanism of claim 1, wherein a horizontal bubble is arranged in the center of the limiting platform.