CN215870491U

CN215870491U - Device for preventing handcart from being mistakenly replaced

Info

Publication number: CN215870491U
Application number: CN202121903546.XU
Authority: CN
Inventors: 于泽; 臧伟; 李伟; 王辉; 宋继刚; 吴晓伟; 陈少光
Original assignee: SHANGHAI HANJIA ELECTRIC EQUIPMENT CO LTD
Current assignee: SHANGHAI HANJIA ELECTRIC EQUIPMENT CO LTD
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-18
Anticipated expiration: 2031-08-13

Abstract

The utility model relates to a device for preventing a handcart from being mistakenly replaced, which is used for solving the problems that the handcart is mistakenly replaced, the handcart locking reason cannot be judged and the like. The handcart type static contact terminal comprises a limiting baffle fixed below a bottom plate of an instrument room and a limiting stud fixed on the top surface of a handcart frame and corresponding to the limiting baffle, wherein a limiting port is formed in the lower end of the limiting baffle, and the position of the limiting port, which is arranged at the lower end of the limiting baffle, corresponds to the current of a static contact. In the utility model, when a handcart is placed in a cabinet, only when the currents corresponding to the movable contact and the fixed contact are matched, the positions of the limiting port and the limiting stud are matched, and the handcart can be shaken into a working position to carry out power transmission; if the handcart is not matched with the limit baffle, the limit stud on the handcart is blocked by the limit baffle so as to achieve the effect of preventing the handcart from being mistakenly replaced. Simultaneously, because limit baffle sets up in the position that leans on the outside, when the handcart was stopped not before, can see clearly whether to cause because the sound contact is unmatched, practice thrift the investigation time.

Description

Device for preventing handcart from being mistakenly replaced

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a device for preventing a handcart from being mistakenly replaced for a KYN cabinet.

Background

KYN series armored movable central type AC high-voltage metal enclosed switchgear (hereinafter referred to as KYN cabinet) is a complete set of power distribution equipment of a three-phase AC single bus and a single bus segmentation system, and is mainly used for power receiving and power transmission of power plants, industrial and mining enterprises and secondary substations, starting of large high-voltage motors and the like, and is used for control protection and monitoring. KYN cabinet comprises fixed cabinet body and mobilizable handcart, and fixed cabinet body divide into four cells: the handcart type handcart comprises a bus chamber, a handcart chamber, a cable chamber and a low-pressure chamber, wherein the handcart is arranged in the handcart chamber with a guide rail, and the handcart can move between two different positions of operation and isolation.

Be provided with the handcart room in the conventional KYN cabinet, the inboard in handcart room is provided with the static contact. The handcart that the handcart room disposed usually includes chassis car, and set up in handcart frame and utmost point post on the chassis car, be provided with a plurality of on the utmost point post and touch the arm, the front end that each touched the arm all is provided with the moving contact. And pushing the handcart into a handcart room until the moving contact and the static contact are mutually meshed, so that a loop can be switched on and the handcart starts to operate. However, the handcart with the same overall dimension is provided with moving contacts corresponding to different currents, and if the moving contacts corresponding to different currents are contacted with the fixed contacts, the moving contacts and the fixed contacts cannot be engaged, so that the moving contacts are damaged.

CN212380843U discloses a handcart code-identifying anti-misoperation device for a switch cabinet, which comprises a chassis vehicle, wherein the front end of the chassis vehicle is connected with a baffle plate, a central line of the chassis vehicle is internally engaged with a screw rod, and the surface of the chassis vehicle is movably connected with a handcart room lower carriage; the port of the screw is engaged with a cover plate, and the cover plate is clamped with the chassis truck. Although the device is simple in structure, reliable in action and good in interchangeability, in actual operation, as the handcart comprises a plurality of interlocking devices and the anti-misoperation device is arranged at the front end of the chassis and is positioned in a sight blind area, when the handcart cannot advance after being locked, the anti-misoperation device or other interlocking devices cannot be judged to be in a problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the prior art, the utility model provides a device for preventing a handcart from being mistakenly replaced.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a prevent handcart mistake and change device for KYN cabinet, be provided with the handcart room in the KYN cabinet, the left and right sides in handcart room is provided with handcart room interior plate and handcart room outer panel respectively, the left side of handcart room interior plate is provided with the static contact. The indoor upper right corner of handcart is provided with the instrument room, the bottom of instrument room is provided with the instrument room bottom plate. The handcart provided in the handcart room comprises a chassis vehicle, a handcart frame and a pole column which are sequentially arranged on the chassis vehicle from right to left, wherein the left side of the pole column is provided with a plurality of contact arms, and the front end of each contact arm is provided with a moving contact;

the device for preventing handcart misconvergence comprises a limiting baffle fixed below an instrument room bottom plate and a limiting stud fixed on the top surface of a handcart frame, wherein the position of the limiting baffle is corresponding to that of the limiting stud fixed on the top surface of the handcart frame, a limiting opening is formed in the lower end of the limiting baffle, and the position of the lower end of the limiting baffle corresponds to the current of a static contact.

Furthermore, the limiting baffle is composed of a baffle main body and a folded edge formed by bending the upper end of the baffle main body. The folded edge is fixed below the bottom plate of the instrument room in a welding or fixing way.

Furthermore, the static contact corresponds to three different currents, and the three positions of the limiting opening on the limiting baffle are 1/4, 1/2 and 3/4 at the lower end of the baffle body.

Preferably, when the rear wheel of the chassis vehicle steps on the handcart room bottom plate, the distance between the limiting baffle and the handcart room outer side plate is greater than the distance between the limiting stud and the handcart room outer side plate.

Preferably, when the rear wheel of the chassis vehicle steps on the handcart room bottom plate, the distance between the limiting baffle and the handcart room outer side plate is smaller than the sum of the distance between the limiting stud and the handcart room outer side plate and the distance between the left end of the movable contact and the handcart room inner side plate.

Preferably, the height of the baffle main body of the limit baffle is smaller than the distance from the highest point of the top surface of the handcart frame to the bottom plate of the instrument room.

Preferably, the cross section of the limiting opening arranged below the baffle main body is rectangular, and the height of the limiting opening is smaller than 1/2 of the height of the baffle main body, so that a marked position is reserved on the panel of the baffle main body.

Furthermore, in order to prevent the handcart with different current from being shaken into the cabinet by mistake, the limit baffle is fixed on the top surface of the handcart frame, and the limit stud is fixed on the bottom surface of the bottom plate of the instrument room, which also belongs to the field of the technical scheme.

Furthermore, the limiting baffle is composed of a baffle main body and a folded edge formed by bending the upper end of the baffle main body. The hem is fixed through welding or the fixed mode of mounting handcart frame top surface, the upper end of baffle main part is provided with spacing mouthful, spacing mouthful be in the position that limit baffle upper end set up with the electric current of static contact is corresponding.

Preferably, the fixed contact has three currents corresponding to the three currents, and the three positions of the limiting opening on the limiting baffle are 1/4, 1/2 and 3/4 at the upper end of the baffle main body.

Compared with the prior art, the beneficial effect of adopting the technical scheme is that: in the utility model, when a handcart is placed in a cabinet, only when the current corresponding to the moving contact of the handcart is matched with the current corresponding to the static contact, the position of the limit port is matched with the position of the limit stud, and the handcart can be shaken into a working position to carry out power transmission; if the position of the handcart is not matched with the position of the handcart, the position limiting stud on the handcart can be blocked by the position limiting baffle, and the handcart cannot be shaken into a working position, so that the function of preventing the handcart from being mistakenly exchanged is achieved. Simultaneously, because limit baffle sets up the instrument room bottom plate below is by the position in the outside, when the handcart was stopped not before, can see clearly whether to cause because the sound contact is unmatched to practice thrift the investigation time. In addition, the position that limit baffle set up both can not block the handcart gets into the handcart room, has avoided again that the moving contact takes place the damage when the sound contact is unmatched.

Drawings

The drawings, in which like reference numerals refer to like parts, are for the purpose of illustrating particular embodiments only and are not to be construed as limiting the utility model.

Fig. 1 is a side perspective view of a KYN cabinet.

Fig. 2 is a front perspective view of the KYN cabinet.

Fig. 3 is an enlarged view of the utility model at a in fig. 1.

Fig. 4 is an enlarged view of the present invention at B in fig. 2.

Fig. 5 is an enlarged view of the limit stop 1 of the present invention.

In the figure:

1-a limit baffle, 2-a limit stud, 3-an instrument chamber, 4-a handcart chamber, 5-a handcart frame, 6-a chassis, 7-a pole, 8-a contact arm and 9-a moving contact;

11-a baffle main body, 12-folded edges, 13-a limiting port, 131-a first limiting port, 132-a second limiting port and 133-a third limiting port;

31-instrument room floor; 41-handcart room bottom plate, 42-handcart room inner side plate, 43-handcart room outer side plate and 44-static contact.

Detailed Description

The technical solution of the present invention is further described in detail with specific embodiments in the following with reference to the accompanying drawings. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

In the embodiment of the utility model, the fixing mode can adopt welding and bolt connection according to the design, processing or construction requirements, and can be direct connection or indirect connection through an intermediate conversion device. The fixing means given here are only examples and the meaning of the fixing means in the present invention can be understood by those skilled in the art as the case may be.

The utility model relates to a device for preventing handcart mistake, which is used for a KYN cabinet, wherein a handcart room 4 is arranged in the KYN cabinet, a handcart room inner side plate 42 and a handcart room outer side plate 43 are respectively arranged on the left side and the right side of the handcart room 4, and a fixed contact 44 is arranged on the left side of the handcart room inner side plate 42, as shown in figure 1. The handcart room 4 is provided with an instrument room 3 at the upper right corner, and the bottom of the instrument room 3 is provided with an instrument room bottom plate 31. The handcart that handcart room 4 was equipped with is including having chassis car 6, turns left from the right side and sets gradually handcart frame 5 and utmost point post 7 on the chassis car 6, the left side of utmost point post 7 is provided with a plurality of and touches arm 8, each the front end that touches arm 8 all is provided with moving contact 9.

Referring to fig. 1 and 2, the device for preventing handcart error according to the present invention includes a limit baffle 1 fixed below an instrument room bottom plate 31, and a limit stud 2 fixed on the top surface of a handcart frame 5 corresponding to the position of the limit baffle 1, and the lower end of the limit baffle 1 is provided with a limit port 13. According to the different currents corresponding to the static contacts 44, the positions of the limiting openings 13 at the lower end of the limiting baffle 1 are different. Only when the electric current that the moving contact 9 on the handcart corresponds with the electric current that the static contact 44 in the handcart room 4 corresponds is unanimous, install spacing double-screw bolt 2 on the handcart frame 5 the position just can with the position of spacing mouth 13 is corresponding, thereby allows it to pass through spacing mouth 13, otherwise then can not, thereby can prevent effectively that the mistake from shaking into the cabinet with the handcart of different electric currents size, cause the unable interlock of sound contact, cause the damage to moving contact 9.

Further, as shown in fig. 3, the limiting baffle 1 is composed of a baffle main body 11 and a folded edge 12 formed by bending the upper end of the baffle main body 11. The flange 12 is fixed below the instrument room bottom plate 31 by welding or fixing members such as bolts.

Preferably, as shown in fig. 1, when the rear wheel of the chassis 6 steps on the handcart room bottom plate 41, the distance between the limit baffle 1 and the handcart room outer side plate 43 is greater than the distance between the limit stud 2 and the handcart room outer side plate 43, so as to prevent the handcart from being blocked before entering the handcart room 4.

Preferably, when the rear wheel of the chassis 6 steps on the handcart room bottom plate 41, the distance between the limit baffle 1 and the handcart room outer side plate 43 is less than the sum of the distance between the limit stud 2 and the handcart room outer side plate 43 and the distance between the left end of the movable contact 9 and the handcart room inner side plate 42, so as to avoid damage caused by the fact that the movable contact 9 and the fixed contact 44 are of different sizes.

Preferably, the height of the baffle body 11 of the limit baffle 1 is less than the distance from the highest point of the top surface of the handcart frame 5 to the instrument room bottom plate 31, so as to prevent other components on the handcart frame 5 from being blocked by the limit baffle 1.

Preferably, as shown in fig. 4, the cross section of the limiting opening 13 arranged below the baffle main body 11 is rectangular, the height of the limiting opening is 1/2 smaller than the height of the baffle main body 11, and a marked position is left on a panel of the baffle main body 11, so that the handcart can be checked when the handcart is locked.

Preferably, as shown in fig. 5, the current corresponding to this external handcart generally includes three types, namely 630A, 1250A and 1600A, and correspondingly, the position of the limiting port 13 on the limiting baffle 1 is different, and is respectively located at 1/4, 1/2 and 3/4 of the lower end of the baffle body 11, namely, the illustrated first limiting port 131, second limiting port 132 and third limiting port 133.

Those skilled in the art can easily understand that the limiting baffle 1 below the instrument room bottom plate 31 and the corresponding limiting stud 2 on the handcart frame 5 in this embodiment are for preventing the handcart with different current magnitudes from being shaken into the cabinet by mistake, and for this purpose, the limiting baffle 1 is arranged on the handcart frame 5, and the limiting stud 2 is arranged below the instrument room bottom plate 31, so that the implementation of the function is not affected, and therefore, the utility model also belongs to the scope of the utility model.

Further, the limit baffle 1 is composed of a baffle main body 11 and a folded edge 12 formed by bending one end of the baffle main body 11, and the folded edge 12 is fixed on the top surface of the handcart frame 5 in a welding or fixing mode. The upper end of the baffle body 11 is provided with a limiting port 13, and the position of the limiting port 13 at the upper end of the limiting baffle 1 corresponds to the current of the static contact 44.

Preferably, the fixed contact 44 has three currents, and correspondingly, the position of the limiting opening 13 on the baffle main body 11 is three, which are 1/4, 1/2 and 3/4 on the upper end of the baffle main body 11.

In the embodiment of the utility model, the limit baffle 1 is installed below the instrument room bottom plate 31, the limit stud 2 is installed on the handcart frame 5, and according to different current magnitudes corresponding to the moving contact 9 of the handcart, the limit baffle 1 is provided with the limit ports 13 at different positions and the limit studs 2 which are fixed on the top surface of the handcart frame 5 and correspond to the limit ports 13. Therefore, when the handcart is placed in the cabinet, the position of the limit port 13 is matched with the position of the limit stud 2 only when the current corresponding to the moving contact 9 of the handcart is matched with the current corresponding to the fixed contact 43, and the handcart can be shaken into a working position to transmit power; if the handcart is not matched with the limit baffle plate 1, the limit stud 2 on the handcart can be blocked by the limit baffle plate 1, and the handcart cannot be shaken into a working position, so that the function of preventing the handcart from being mistakenly exchanged is achieved. Simultaneously, because limit baffle 1 sets up the instrument room bottom plate 31 below is by the position in the outside, when the handcart was stopped not before, can see clearly whether to cause because the sound contact is unmatched to practice thrift the investigation time. In addition, the position that limit baffle 1 set up both can not block the handcart gets into handcart room 4, has avoided moving contact 9 to take place the damage when the sound contact is not matched again.

Claims

1. A device for preventing handcart misarrangement is used for a KYN cabinet, a handcart room (4) is arranged in the KYN cabinet, a handcart room inner side plate (42) and a handcart room outer side plate (43) are respectively arranged on the left side and the right side of the handcart room (4), and a static contact (44) is arranged on the left side of the handcart room inner side plate (42); an instrument room (3) is arranged at the upper right corner in the handcart room (4), and an instrument room bottom plate (31) is arranged at the bottom of the instrument room (3); the handcart provided by the handcart room (4) comprises a chassis (6), a handcart frame (5) and a pole post (7) which are sequentially arranged on the chassis (6) from right to left, a plurality of contact arms (8) are arranged on the left side of the pole post (7), and a moving contact (9) is arranged at the front end of each contact arm (8);

the handcart mistake replacement preventing device is characterized in that the handcart mistake replacement preventing device comprises a limiting baffle (1) fixed below an instrument room bottom plate (31) and a limiting stud (2) fixed on the top surface of a handcart frame (5) and corresponding to the position of the limiting baffle (1), a limiting port (13) is arranged at the lower end of the limiting baffle (1), and the position arranged at the lower end of the limiting baffle (1) corresponds to the current of a static contact (44).

2. The device for preventing handcart from being mistakenly switched according to claim 1, wherein the limiting baffle (1) is composed of a baffle main body (11) and a folded edge (12) formed by bending the upper end of the baffle main body (11); the folded edge (12) is fixed below the instrument room bottom plate (31) in a welding or fixing way.

3. The device for preventing handcart misconception according to claim 2, wherein the static contact (44) has three currents, and the setting positions of the limit opening (13) on the limit baffle (1) are three, which are 1/4, 1/2 and 3/4 respectively at the lower end of the baffle main body (11).

4. The device for preventing handcart malswitching according to claim 2, characterized in that when the rear wheel of the chassis (6) steps on the handcart room bottom plate (41), the distance between the baffle main body (11) and the handcart room outer side plate (43) is greater than the distance between the limit stud (2) and the handcart room outer side plate (43).

5. The device for preventing handcart malswitching according to claim 2, characterized in that when the rear wheel of the chassis (6) steps on the handcart room bottom plate (41), the distance between the baffle main body (11) and the handcart room outer side plate (43) is less than the sum of the distance between the limit stud (2) and the handcart room outer side plate (43) and the distance between the left end of the movable contact (9) and the handcart room inner side plate (42).

6. The device for preventing handcart malswitching according to claim 2, characterized in that the height of the baffle main body (11) of the limit baffle (1) is less than the distance from the highest point of the top surface of the handcart frame (5) to the instrument room bottom plate (31).

7. The device for preventing handcart from being mistakenly replaced according to claim 2, wherein the cross section of the limiting opening (13) arranged below the baffle main body (11) is rectangular, and the height of the limiting opening is smaller than 1/2 of the height of the baffle main body (11), so that a marked position is reserved on the panel of the baffle main body (11).

8. The device for preventing handcart malswitching according to claim 1, characterized in that the limit baffle (1) is fixed on the top surface of the handcart frame (5), and the limit stud (2) is fixed on the bottom surface of the instrument room bottom plate (31).

9. The device for preventing handcart from being mistakenly switched according to claim 8, wherein the limiting baffle (1) is composed of a baffle main body (11) and a folded edge (12) formed by bending one end of the baffle main body (11); the folded edge (12) is fixed on the top surface of the handcart frame (5) in a welding or fixing way; the upper end of the baffle main body (11) is provided with a limiting opening (13), and the position of the limiting opening (13) on the limiting baffle (1) corresponds to the current of the static contact (44).

10. The device for preventing handcart misconception according to claim 9, wherein the static contact (44) has three currents, and the setting positions of the limit opening (13) on the limit baffle (1) are three, which are 1/4, 1/2 and 3/4 on the upper end of the baffle main body (11).