CN212366574U

CN212366574U - Cabinet base, cabinet and substation inspection terminal

Info

Publication number: CN212366574U
Application number: CN202021351759.1U
Authority: CN
Inventors: 李林卿; 李晓颖; 裴正爽; 王勇焕; 张明; 张晓波; 黄红宇; 王悦
Original assignee: China Petroleum and Chemical Corp; Sinopec Henan Petroleum Exploration Bureau Hydropower Plant
Current assignee: China Petroleum and Chemical Corp; Sinopec Henan Petroleum Exploration Bureau Hydropower Plant
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-01-15
Anticipated expiration: 2030-07-10

Abstract

The utility model relates to a rack base, rack and transformer substation patrol and examine terminal. The transformer substation inspection terminal comprises a cabinet, the cabinet comprises a cabinet base, the cabinet base comprises a base main body, and a fork groove is formed in the bottom of the base main body; the supporting piece is arranged on the base main body in a guiding manner along the up-down direction and is used for being pushed upwards by the fork when the fork inserted into the fork groove rises; the roller receiving cavities are positioned on the outer sides of the corresponding fork grooves; the roller mounting seat is arranged in the roller containing cavity in a guiding manner along the vertical direction, and the bottom of the roller mounting seat is provided with a roller; the transmission mechanism is connected between the support piece and the roller mounting seat in a transmission mode and used for enabling the support piece and the roller mounting seat to be linked in the motion directions opposite to each other up and down, so that the support piece can be driven to stretch out downwards and supported to the ground when pushed upwards by the pallet fork, the cabinet can be contacted with the ground in the moving process, side turning is effectively prevented, and the stability of the corresponding cabinet in the moving process is kept together with the hydraulic carrier.

Description

Cabinet base, cabinet and substation inspection terminal

Technical Field

The utility model relates to a rack base, rack and transformer substation patrol and examine terminal.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system. Various primary and secondary electrical equipment in a transformer substation are more, long-term normal operation of the transformer substation is guaranteed, inspection maintenance needs to be carried out on the electrical equipment in the transformer substation regularly, inspection records are made every time, the control of the inspection process and the storage of inspection record data need a transformer substation equipment inspection terminal, if the transformer substation intelligent inspection terminal disclosed by the Chinese patent with the authorization publication number of CN209626751U, the transformer substation equipment inspection terminal needs to be configured into one terminal in order to realize the functions of insulation monitoring, primary equipment operation state, secondary system stability checking and the like, and the whole inspection terminal is heavy.

The rack bottom of patrolling and examining the terminal is equipped with the rack base, is equipped with the fork groove on the rack base, when the terminal is patrolled and examined in needs removal, generally uses hydraulic pressure carrier, and hydraulic pressure carrier is a manual trailer, includes the fork and holds up the handle, and the rear end of fork (keeping away from the one end of holding up the handle) generally is equipped with ordinary gyro wheel (pivot axis is fixed), and the front end (be equipped with the one end of holding up the handle) generally is equipped with the universal wheel. When the inspection terminal is moved, a fork of the hydraulic carrier is inserted into a fork groove at the bottom of the inspection terminal cabinet, and the inspection terminal is lifted to move.

However, in the moving process, due to factors such as shaking caused by uneven road surface, lateral force generated in turning and the like, the polling terminal has the risk of tilting, and potential safety hazards exist. And one inspection terminal is expensive, and once the inspection terminal turns over, great loss is caused. In addition, the mode of pushing the hydraulic carrying vehicle forwards is sometimes needed in the process of moving the inspection terminal, and steering is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cabinet base, which is convenient for stably supporting a cabinet needing to be moved; the utility model also aims to provide a cabinet to solve the problem of unstable moving process of the existing cabinet; the utility model aims at providing a transformer substation patrols and examines terminal still to solve current transformer substation and patrol and examine the unstable problem of terminal mobile process.

The utility model discloses a rack base adopts following technical scheme:

a cabinet base, comprising:

the bottom of the base main body is provided with a fork groove;

the fork grooves extend along the front-back direction and are arranged at intervals in the left-right direction for inserting the forks of the corresponding hydraulic truck;

the supporting piece is arranged on the base main body in a guiding mode along the vertical direction, the lower end of the supporting piece is located in the fork groove, and the supporting piece is used for being pushed upwards by the fork when the fork inserted into the fork groove rises;

an insertion space is arranged below the supporting piece, and corresponding forks are inserted below the supporting piece;

the roller receiving cavities are positioned on one sides of the corresponding fork grooves close to the outer side of the base main body in the left-right direction and are provided with downward openings;

the roller mounting seat is arranged in the roller containing cavity in an up-and-down guiding manner, the bottom of the roller mounting seat is provided with a roller, and the roller is positioned in the roller containing cavity;

and the transmission mechanism is in transmission connection between the support piece and the roller mounting seat and is used for enabling the support piece and the roller mounting seat to be linked in the vertical opposite movement directions, so that the support piece drives the roller to extend downwards and support the roller to the ground when being pushed upwards by the fork.

Has the advantages that: the base main part of rack base is equipped with the fork groove, the fork that supplies corresponding hydraulic pressure carrier inserts, the fork inserts support piece's below, the fork rises and pushes away support piece, make support piece guiding motion upwards, thereby drive gyro wheel mount pad guiding motion downwards through drive mechanism, and then make the gyro wheel accomodate the chamber from the gyro wheel and stretch out, the rack is held up to the fork after, the gyro wheel can contact with ground, because the chamber is accomodate to the gyro wheel is located the outside in fork groove, make the gyro wheel support in the outside of fork like this, thereby the support width of rack base has been increased, and also make the rack can contact with ground at the removal in-process, thereby effectively prevent turning on one's side, keep the stability of corresponding rack in the removal process with hydraulic pressure carrier together.

Furthermore, a transmission rod is arranged between the supporting piece and the roller mounting seat and comprises a middle rod section, and two ends of the middle rod section are respectively assembled with a telescopic rod section in a guiding manner;

the middle part of the middle rod section is hinged on the base main body, the tail end of the telescopic rod section is respectively hinged with the supporting piece and the roller mounting seat, and the transmission mechanism is formed by the transmission rod;

the bottom of base main part is equipped with the intercommunication groove, the intercommunication groove is accomodate the chamber with fork groove, gyro wheel and is communicated, the transfer line is installed the intercommunication inslot.

Has the advantages that: utilize the transfer line to form drive mechanism, simple structure, convenient preparation sets up the intercommunication groove between cavity is accomodate to fork groove and gyro wheel to the installation transfer line, and for the transfer line provides the rotation space, the transfer line has the telescopic link section, and the end of telescopic link section is articulated with support piece and gyro wheel mount pad respectively, when guaranteeing the transfer line pivoted like this, support piece and gyro wheel mount pad can carry out the activity of leading from top to bottom.

Further, the middle rod section is matched with the telescopic rod section in a sleeved mode.

Has the advantages that: simple structure, simple to operate guarantees when the transfer line can stretch out and draw back, is favorable to improving the structural strength of transfer line, promotes and uses the reliability.

Furthermore, the roller containing cavity is internally provided with a return spring for applying upward acting force to the roller mounting seat.

Has the advantages that: after the fork is taken out, the roller is reset under the tension of the reset spring, so that the support piece is also driven to reset.

Furthermore, a limiting structure is arranged in the roller containing cavity and used for enabling a part of the roller to protrude out of the roller containing cavity when the roller mounting seat moves upwards to the limiting position.

Has the advantages that: when the cabinet base is placed on the ground, the cabinet is supported on the ground by the rollers, so that the cabinet is convenient for personnel to move in a small range, and the trouble of using a forklift is avoided.

Further, support piece, gyro wheel mount pad are the cylinder structure, the gyro wheel is accomodate the chamber and is cylindrical groove structure, the top of fork groove is equipped with the mounting groove, the mounting groove is cylindrical groove for the direction installation support piece.

Has the advantages that: the gyro wheel is accomodate chamber, mounting groove and is cylindrical groove, convenient processing, and support piece, gyro wheel mount pad are the cylinder, and structural strength is high, and the direction cooperation is effectual.

Further, the roller is a universal wheel or a roller with a rotating shaft axis extending along the front-back direction.

Has the advantages that: when promoting hydraulic pressure carrier to turn to, conveniently turn to, avoid operating hard.

Furthermore, more than two supporting pieces are arranged on each fork groove, and the rollers correspond to the supporting pieces one by one.

Has the advantages that: like this be equipped with a plurality of gyro wheels in the bottom of rack base, be favorable to improving the stability that the rack removed the process.

The utility model discloses a rack adopts following technical scheme:

a cabinet comprising a cabinet base;

a cabinet base, comprising:

the bottom of the base main body is provided with a fork groove;

Has the advantages that: the rack includes the rack base, be equipped with the fork groove in the base main part of rack base, the fork that supplies corresponding hydraulic pressure carrier inserts, the fork inserts support piece's below, the fork rises and pushes away support piece, make support piece guiding motion upwards, thereby drive gyro wheel mount pad guiding motion downwards through drive mechanism, and then make the gyro wheel accomodate the chamber from the gyro wheel and stretch out, the rack is held up to the fork after, the gyro wheel can contact with ground, because the gyro wheel accomodates the outside that the chamber is located the fork groove, make the gyro wheel support in the outside of fork like this, thereby the support width of rack base has been increased, and also make the rack remove the in-process can contact with ground, thereby effectively prevent turning on one's side, keep corresponding rack together with hydraulic pressure carrier in the stability of removal in-process.

The utility model discloses a transformer substation patrols and examines terminal adopts following technical scheme:

terminal is patrolled and examined to transformer substation includes:

a cabinet comprising a cabinet base;

a cabinet base, comprising:

the bottom of the base main body is provided with a fork groove;

Has the advantages that: the transformer substation inspection terminal comprises a cabinet, the cabinet comprises a cabinet base, a fork groove is formed in a base body of the cabinet base, a fork of a corresponding hydraulic carrier is inserted, the fork is inserted into the lower portion of a supporting piece, the fork rises to push the supporting piece, the supporting piece is enabled to move upwards in a guiding mode, a roller mounting seat is driven to move downwards in a guiding mode through a transmission mechanism, and then the roller extends out of a roller storage cavity, the fork holds the cabinet, the roller can be in contact with the ground, the roller storage cavity is located on the outer side of the fork groove, the roller is supported on the outer side of the fork, the supporting width of the cabinet base is increased, the cabinet can be in contact with the ground in the moving process, and therefore side turning is effectively prevented, and the stability of the corresponding cabinet in the moving process is kept together with the hydraulic carrier.

Drawings

FIG. 1 is the overall structure schematic diagram of the inspection terminal of the transformer substation of the utility model;

FIG. 2 is a cross-sectional schematic view of the cabinet base of FIG. 1;

FIG. 3 is a partial bottom schematic view of the cabinet base of FIG. 1;

fig. 4 is a schematic view of the structure of the transmission rod of the present invention;

fig. 5 is a schematic structural view of the retracted state of the universal wheel according to the present invention;

fig. 6 is a schematic structural view of the extended state of the universal wheel of the present invention.

The names of the components corresponding to the corresponding reference numerals in the drawings are:

1-cabinet, 2-cabinet base, 21-fork groove, 3-mounting groove, 31-support column, 4-roller receiving cavity, 41-reset spring, 42-roller mounting seat, 43-universal wheel, 44-limiting column, 5-communicating groove, 6-transmission rod, 61-middle rod section, 62-telescopic rod section, 63-rotating shaft and 7-cabinet door.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as the terms first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the recitation of "comprising an … …" may occur without the exclusion of additional like elements present in the process, method, article, or apparatus that comprises the element.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

The present invention will be described in further detail with reference to examples.

The utility model provides a transformer substation patrol and examine embodiment 1 at terminal:

as shown in fig. 1, the substation equipment inspection terminal includes a cabinet 1, and a power supply, a control host and a wireless terminal are arranged in the cabinet 1 and used for detecting the operating state of the substation equipment. Articulated cabinet door 7 of installing on the rack 1, rack 1 includes rack base 2, and rack base 2 and rack 1's upper portion cabinet body welded connection. The cabinet base 2 comprises a base main body, two fork grooves 21 are formed in the bottom of the base main body, and the fork grooves 21 are used for inserting of a fork of a hydraulic carrying vehicle so as to move a transformer substation through the hydraulic carrying vehicle to patrol the terminal.

To describe the present embodiment more clearly, the height direction of the cabinet 1 is taken as the vertical direction, the side where the cabinet door 7 is located is taken as the front side, and the arrangement direction of the two fork grooves 21 is taken as the horizontal direction.

As shown in fig. 1 and 2, the fork groove 21 is a square groove penetrating in the front and rear direction, and facilitates insertion of a fork of the hydraulic truck. The upper parts of the front part and the rear part of each fork groove 21 are also respectively provided with a mounting groove 3, and the mounting grooves 3 are communicated with the corresponding fork grooves 21 downwards. Mounting groove 3 is equipped with four, wholly is the rectangle array and arranges, and the interval is equipped with the gyro wheel and accomodates chamber 4 about 3 with the mounting groove, and correspondingly the gyro wheel is accomodate chamber 4 and also is equipped with everywhere, and the one-to-one about chamber 4 and each mounting groove 3 is accomodate to each gyro wheel, and the gyro wheel is accomodate the outside that chamber 4 is located the direction about mounting groove 3.

All be equipped with the gyro wheel in each gyro wheel accomodates chamber 4, the gyro wheel in this embodiment is universal wheel 43, and four universal wheels 43 are rectangular array and arrange, are in left front position, right front position, left back position and right back position respectively, and the universal wheel 43 mounting structure of each position department is the same, uses left front position universal wheel 43 as the example in this embodiment to carry out concrete description.

As shown in fig. 2, 3 and 4, the mounting groove 3 is a cylindrical groove, the supporting column 31 is a cylinder, the supporting member in this embodiment is the supporting column 31, and the supporting column 31 is vertically guided and disposed on the mounting groove 3. The roller storage cavity 4 is a cylindrical groove, the roller mounting seat 42 is cylindrical, and the roller mounting seat is vertically guided and arranged in the roller storage cavity 4. Be equipped with intercommunication groove 5 between chamber 4 is accomodate to mounting groove 3 and gyro wheel, and intercommunication groove 5 extends along left right direction to chamber 4 is accomodate to intercommunication fork pocket 21, mounting groove 3 and gyro wheel.

The communicating groove 5 is internally provided with a transmission rod 6, the side wall of the communicating groove 5 is provided with a rotating shaft 63, in order to conveniently install the rotating shaft 63, the cabinet base 2 is provided with an installation hole extending in the front-back direction, the opening of the installation hole faces forwards, and as shown in fig. 1, the rotating shaft 63 is installed in the installation hole of the cabinet base 2.

The middle part of the transmission rod 6 is arranged on the rotating shaft 63, and the transmission rod 6 can rotate around the rotating shaft 63 in the communication groove 5. The left end of the transmission rod 6 is connected to the upper end of the roller mounting seat 42, and the right end of the transmission rod 6 is connected to the lower end of the support column 31. The transmission rod 6 is used for forming a transmission mechanism, and is used for enabling the supporting column 31 and the roller mounting seat 42 to be linked in the up-down opposite movement direction, and when the supporting column 31 moves upwards, the transmission rod 6 drives the roller mounting seat 42 to move downwards.

The transmission rod 6 comprises an intermediate rod section 61 and a telescopic rod section 62, wherein the middle part of the intermediate rod section 61 is arranged on a rotating shaft 63. The telescopic rod sections 62 are provided with two telescopic rod sections, each telescopic rod section is provided with one hollow section, the telescopic rod sections are sleeved on the middle rod section 61, the middle rod section 61 can slide in a guiding mode relative to the telescopic rod sections, the transmission rod 6 can be integrally telescopic, the tail ends of the two telescopic rod sections 62 are provided with hinged structures, the hinged structures are respectively used for being hinged with the support column 31 and the roller mounting seat 42, and accordingly the support column 31 and the roller mounting seat 42 can be guaranteed to move in a guiding mode up and down.

The roller storage cavity 4 is internally provided with a limiting column 44, the limiting column 44 is a cylinder extending downwards, and the limiting column 44 is sleeved with a return spring 41. The roller mounting seat 42 is arranged below the limiting column 44, and the return spring 41 is connected to the upper end of the roller mounting seat 42. The universal wheel 43 is installed in the below of gyro wheel mount pad 42, and when gyro wheel mount pad 42 moved up, drive the universal wheel 43 and shift up in the gyro wheel accomodates the chamber 4, and when gyro wheel mount pad 42 moved down, drive the universal wheel 43 and move down and accomodate the chamber 4 from the gyro wheel and stretch out. The roller mounting seat 42 moves upward, and when the roller mounting seat is pressed against the limiting column 44, the lower end surface of the supporting column 31 is located in the fork groove 21, so that when the cabinet base 2 is placed on the ground, a gap is formed between the supporting column 31 and the ground to form an insertion space for inserting a fork of a hydraulic carrier. The limiting column 44 is used for forming a limiting structure, when the roller mounting seat 42 is upwards movably pressed on the limiting column 44, a part of the universal wheel 43 protrudes out of the roller accommodating cavity 4, and the protruding amount is small, so that the drawing is not visually embodied.

When the hydraulic truck is used, a fork of the hydraulic truck is inserted into the fork groove 21, the fork is lifted to press against the supporting column 31, so that the supporting column 31 moves upwards, as shown in fig. 5 and 6, when the supporting column 31 moves upwards, the driving rod 6 drives the roller mounting seat 42 to move downwards, so that the universal wheel 43 extends out of the roller receiving cavity 4. The size is less than the size on the left and right sides of fork pocket 21 on the left and right sides of mounting groove 3, hydraulic pressure carrier's fork continuously rises, press support column 31 in mounting groove 3 and the roof pressure on the tank bottom of fork pocket 21, universal wheel 43 stretches out outside gyro wheel accomodates chamber 4 completely, remove the in-process at rack 1, universal wheel 43 contact ground, make the partial weight of rack 1 support subaerial, prevent to remove heeling that the in-process probably appears, universal wheel 43 keeps the stability of top rack 1 removal in-process with hydraulic pressure carrier together, and, because four universal wheels 43 undertake the weight of a part of rack 1, when operation hydraulic pressure carrier turns to, also can not be very hard.

After the transport finishes, the fork reduces and takes out, under the action of reset spring 41 pulling force and 1 gravity of rack, support column 31 and gyro wheel mount pad 42 reset, gyro wheel mount pad 42 retracts into the gyro wheel and accomodates the chamber 4 in, thereby the universal wheel 43 also accomodates the intracavity to the gyro wheel and retracts, in-service use process, gyro wheel mount pad 42 upwards roof pressure is on spacing post 44, universal wheel 43 sets to stretch out the gyro wheel slightly and accomodates the chamber 4 outside, place subaerial back at rack 1, four universal wheels 43 can play the supporting role to rack 1, like this when needs carry out the removal of minisphere to rack 1 and move, just need not reuse hydraulic pressure carrier, just can conveniently move through the manpower.

The utility model provides a transformer substation patrols and examines embodiment 2 at terminal:

the difference between this embodiment and embodiment 1 is that, in embodiment 1, a mounting groove is provided above the fork slot, the support member is a support column, and the support column is guided to move on the mounting groove.

The utility model provides a transformer substation patrols and examines embodiment 3 at terminal:

the difference between this embodiment and embodiment 1 lies in, the pivot is installed to the intercommunication inslot in embodiment 1, installs the transfer line in the pivot to form drive mechanism, and in this embodiment, support piece, gyro wheel mount pad are rectangle block structure, and the mounting groove, gyro wheel hold the chamber and are the rectangular channel, and support piece, gyro wheel mount pad are equipped with the driving cog on the opposite side of direction from top to bottom, are equipped with the gear between support piece, the gyro wheel mount pad, and the gear meshes with support piece, gyro wheel mount pad driving cog simultaneously, in order to form drive mechanism.

The utility model provides a transformer substation patrols and examines embodiment 4 at terminal:

the difference between this embodiment and embodiment 1 lies in, the transfer line in embodiment 1 includes intermediate lever section and telescopic link section, the telescopic link section has one section cavity, with the cover establish on the intermediate lever section, the end of telescopic link section is articulated with support column and gyro wheel mount pad respectively, thereby form drive mechanism, and in this embodiment, the transfer line is the integral type pole, the transfer line both ends are equipped with the spout, link up the setting around the spout, be equipped with the guide pillar on support column and the gyro wheel mount pad, the guide pillar fore-and-aft direction extends, the both ends of transfer line pass through the spout suit on the guide pillar, in order to form drive mechanism, when the transfer line rotates, the guide pillar is the relative change in the spout internal location, in order to guarantee support column and gyro wheel.

The utility model provides a transformer substation patrols and examines embodiment 5 at terminal:

the difference between this embodiment and embodiment 1 lies in, the transfer line in embodiment 1 includes intermediate lever section and telescopic link section, the telescopic link section has one section cavity, with the cover establish on the intermediate lever section, the end of telescopic link section is articulated with support column and gyro wheel mount pad respectively, thereby form drive mechanism, and in this embodiment, the both ends of transfer line are equipped with the guide pillar, the direction extends around the guide pillar, be equipped with the spout on support column and the gyro wheel mount pad, the spout extends the setting about, the direction assembly is in the spout about the guide pillar, in order to form drive mechanism, when the transfer line rotates, the guide pillar slides about in the spout, in order to guarantee support column and gyro wheel mount pad upper and lower direction activity.

The utility model provides a transformer substation patrols and examines embodiment 6 at terminal:

the difference between this embodiment and embodiment 1 is that the roller in embodiment 1 is a universal wheel, and in this embodiment, the roller is a roller with a fixed axis of a rotating shaft, and when the roller is supported on the ground, the roller can keep stable in the moving process of the upper cabinet together with the hydraulic truck.

The utility model provides a transformer substation patrols and examines embodiment 7 at terminal:

the difference between this embodiment and embodiment 1 is that the cabinet base in embodiment 1 is separately installed on the cabinet and fixed by welding, but in this embodiment, the cabinet base and the cabinet are integrally formed.

The utility model provides an embodiment of rack:

the embodiment of the cabinet, that is, the cabinet described in any one of embodiments 1 to 7 of the substation inspection terminal, will not be described in detail here.

The utility model provides an embodiment of rack base:

the embodiment of the cabinet base, that is, the cabinet base described in any one of embodiments 1 to 7 of the substation inspection terminal, will not be described in detail herein.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. A cabinet base, comprising:

the bottom of the base main body is provided with a fork groove;

it is characterized by also comprising:

2. The cabinet base according to claim 1, wherein a transmission rod is arranged between the supporting member and the roller mounting seat, the transmission rod comprises a middle rod section, and two ends of the middle rod section are respectively provided with a telescopic rod section in a guiding manner;

3. The cabinet base of claim 2, wherein the intermediate pole segment is in nested engagement with a telescoping pole segment.

4. The cabinet base of any one of claims 1 to 3, wherein a return spring is disposed in the roller receiving cavity for applying an upward force to the roller mounting seat.

5. The cabinet base according to any one of claims 1 to 3, wherein a limiting structure is provided in the roller receiving cavity for enabling a portion of the roller to protrude out of the roller receiving cavity when the roller mounting seat moves upwards to a limiting position.

6. The cabinet base according to any one of claims 1 to 3, wherein the supporting member and the roller mounting seat are both cylindrical structures, the roller receiving cavity is a cylindrical groove structure, and a mounting groove is formed above the fork groove and used for guiding and mounting the supporting member.

7. The cabinet base of any one of claims 1-3, wherein the rollers are universal wheels or rollers with a shaft axis extending in a front-to-back direction.

8. The cabinet base according to any one of claims 1 to 3, wherein each fork slot is provided with more than two supporting members, and the rollers correspond to the supporting members one to one.

9. A cabinet, comprising:

a cabinet base;

the cabinet base is as claimed in any one of claims 1 to 8.

10. Terminal is patrolled and examined to transformer substation includes:

a cabinet comprising a cabinet base;

-characterised in that the cabinet base is according to any of claims 1 to 8.