CN216690941U

CN216690941U - Switch cabinet operation ladder

Info

Publication number: CN216690941U
Application number: CN202123288569.7U
Authority: CN
Inventors: 魏献通; 石云志; 魏巍; 石一涵; 魏笑晗; 苏怡璇
Original assignee: Pingdingshan Senyuan Electric Co ltd
Current assignee: Pingdingshan Senyuan Electric Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-06-07
Anticipated expiration: 2031-12-25

Abstract

The utility model belongs to the field of switch cabinet overhaul, in particular to a switch cabinet operation ladder, which comprises a base, a fixed rod and a pneumatic cylinder, wherein a protective shell is fixed above the base, the front end of the base is connected with a roller, a slide way is arranged in the fixed rod, the fixed rod is positioned on the left side of the base, a first supporting rod is connected above the pneumatic cylinder, the pneumatic cylinder is positioned in the slide way, a second supporting rod is arranged above the first supporting rod, a third supporting rod is connected above the second supporting rod, and a fourth supporting rod is arranged above the third supporting rod; according to the utility model, through the arrangement of the slide way and the pneumatic cylinder, the telescopic rod structure is formed among the fixed rod, the first support rod, the second support rod, the third support rod and the fourth support rod, and the first support rod, the second support rod, the third support rod and the fourth support rod can be driven to lift through the work of the pneumatic cylinder, so that the length of the operation ladder can be automatically adjusted according to the conditions, and the flexibility of the operation ladder structure is improved.

Description

Switch cabinet operation ladder

Technical Field

The utility model relates to the field of switch cabinet maintenance, in particular to a switch cabinet operation ladder.

Background

The switch cabinet is an electrical device, the exterior line of the switch cabinet firstly enters a main control switch in the cabinet, then enters a branch control switch, each branch circuit is arranged according to the requirement, such as an instrument, an automatic control, a motor magnetic switch, various alternating current contactors and the like, some switch cabinets are also provided with a high-voltage chamber and a low-voltage chamber, high-voltage buses are arranged, such as a power plant and the like, some switch cabinets are also provided with low-frequency load shedding for protecting main equipment, and a special operation ladder is required to be used for overhauling the switch cabinet at a high position.

However, the existing operation ladder is inconvenient to store, occupies more space when not in use, cannot be stretched and contracted, cannot be adjusted in length according to conditions, and is not flexible in structure.

Therefore, a switch cabinet operation ladder is provided for the above problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problems that the existing operation ladder is inconvenient to store, occupies more space when not used, cannot be stretched and contracted, cannot adjust the length according to conditions and is not flexible in structure, the utility model provides the operation ladder for the switch cabinet.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the switch cabinet operation ladder comprises a base, a fixed rod and a pneumatic cylinder, wherein a protective shell is fixed above the base, the front end of the base is connected with a roller, a slide way is arranged inside the fixed rod, the fixed rod is positioned on the left side of the base, a first supporting rod is connected above the pneumatic cylinder, the pneumatic cylinder is positioned inside the slide way, a second supporting rod is arranged above the first supporting rod, a third supporting rod is connected above the second supporting rod, a fourth supporting rod is arranged above the third supporting rod, a folding mechanism is fixed above the fourth supporting rod, and a cross rod is connected on the right side of the fourth supporting rod.

Preferably, the base and the protective shell are formed in a punching mode, the rollers are perpendicular to the base, and the rollers are symmetrical with each other about a vertical center line of the base.

Preferably, the fixed rods are perpendicular to the base, the first supporting rods and the fixed rods form a sliding structure through the sliding ways, and the fixed rods are symmetrical with each other about a vertical center line of the cross rod.

Preferably, the structure between first branch, second branch, third branch and the fourth branch is the same, and the size between first branch, second branch, third branch and the fourth branch is all inequality to all constitute extending structure with the dead lever through the cooperation between pneumatic cylinder and the slide between first branch, second branch, third branch and the fourth branch.

Preferably, folding mechanism includes connecting rod, pivot, carousel, swing cylinder and fixed block, and the right side of connecting rod is connected with the pivot, the carousel is installed on the right side of pivot, and the right side of carousel is connected with swing cylinder, swing cylinder's external fixation has the fixed block.

Preferably, the connecting rod and the fixed blocks form a rotating structure through the matching among the rotating shaft, the rotating disc and the swing cylinder, and the fixed blocks are symmetrical with each other about the horizontal center line of the connecting rod.

The utility model has the advantages that:

1. according to the telescopic ladder, the telescopic rod structure is formed among the fixed rod, the first support rod, the second support rod, the third support rod and the fourth support rod through the arrangement of the slide way and the pneumatic cylinder, and the first support rod, the second support rod, the third support rod and the fourth support rod can be driven to lift through the work of the pneumatic cylinder, so that the length of the operation ladder can be automatically adjusted according to the situation, the flexibility of the operation ladder structure is improved, the fourth support rod is collected in the third support rod when the operation ladder is not required to be used, the third support rod is collected in the second support rod, the second support rod is collected in the first support rod, and the first support rod is collected in the fixed rod, so that the operation ladder does not occupy too much space, and is convenient to store;

2. according to the folding ladder, the folding mechanism is arranged, the rotary table is driven to rotate through the work of the swing air cylinder, the rotary table drives the rotary shaft to rotate, so that the fourth support rod is driven to rotate, the operation ladder can be unfolded when in use, the unfolded operation ladder and the ground form a triangle, the stability of the operation ladder when in use is improved through the triangle structure, the situation that the operation ladder shakes when in use is avoided, meanwhile, the operation ladder can be folded together when the operation ladder is not required to be used, and excessive space is not occupied.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic front view of the first embodiment;

FIG. 2 is a cross-sectional view of a fixing rod according to the first embodiment;

fig. 3 is a schematic structural diagram of a folding mechanism according to the first embodiment.

In the figure: 1. a base; 2. a protective shell; 3. a roller; 4. fixing the rod; 5. a slideway; 6. a pneumatic cylinder; 7. a first support bar; 8. a second support bar; 9. a third support bar; 10. a fourth strut; 11. a folding mechanism; 1101. a connecting rod; 1102. a rotating shaft; 1103. a turntable; 1104. a swing cylinder; 1105. a fixed block; 12. a cross bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-3, the switch cabinet operation ladder includes a base 1, a fixing rod 4 and a pneumatic cylinder 6, a protective housing 2 is fixed above the base 1, a roller 3 is connected to the front end of the base 1, a slide 5 is arranged inside the fixing rod 4, the fixing rod 4 is located on the left side of the base 1, a first supporting rod 7 is connected above the pneumatic cylinder 6, the pneumatic cylinder 6 is located inside the slide 5, a second supporting rod 8 is installed above the first supporting rod 7, a third supporting rod 9 is connected above the second supporting rod 8, a fourth supporting rod 10 is arranged above the third supporting rod 9, a folding mechanism 11 is fixed above the fourth supporting rod 10, and a cross rod 12 is connected on the right side of the fourth supporting rod 10.

For stamping forming between base 1 and the protective housing 2, and want perpendicularly between gyro wheel 3 and the base 1, and symmetrical about base 1's vertical central line between the gyro wheel 3, the internally mounted of protective housing 2 has the power, provide electric power to the operation ladder through the power, when the operation ladder carries out the during operation, the stabilizer blade through base 1 below provides the support to the operation ladder, when moving the operation ladder, with its slope, make gyro wheel 3 support the operation ladder, when gyro wheel 3 removes the operation ladder and the frictional force between the ground is turned into rolling friction by sliding friction, thereby make the operation ladder can remove easily.

The fixed rod 4 is perpendicular to the base 1, the first supporting rod 7 forms a sliding structure through the sliding way 5 and the fixed rod 4, the fixed rods 4 are symmetrical about a vertical center line of the cross rod 12, the first supporting rod 7 can move in the sliding way 5, and the first supporting rod 7 can extend and retract in the fixed rod 4.

The structure of the first supporting rod 7, the second supporting rod 8, the third supporting rod 9 and the fourth supporting rod 10 is the same, the sizes of the first supporting rod 7, the second supporting rod 8, the third supporting rod 9 and the fourth supporting rod 10 are different, the first supporting rod 7, the second supporting rod 8, the third supporting rod 9 and the fourth supporting rod 10 form a telescopic structure with the fixing rod 4 through the matching between the pneumatic cylinder 6 and the slideway 5, the fixing rod 4, the first supporting rod 7, the second supporting rod 8, the third supporting rod 9 and the fourth supporting rod 10 form a telescopic rod structure, the first supporting rod 7, the second supporting rod 8, the third supporting rod 9 and the fourth supporting rod 10 can be driven to lift through the work of the pneumatic cylinder 6, so that the operation ladder can automatically adjust the length according to the situation, the flexibility of the operation ladder structure is improved, the fourth supporting rod 10 is retracted into the third supporting rod 9 when the operation ladder is not needed, third branch 9 is received in the inside of second branch 8, and second branch 8 is received in the inside of first branch 7, and first branch 7 is received in the inside of dead lever 4, makes the operation ladder can not occupy too much space, and the operation ladder of being convenient for is deposited.

Example two

Referring to fig. 3, in a first comparative example, as an expanded embodiment of the present invention, a folding mechanism 11 includes a connecting rod 1101, a rotating shaft 1102, a rotating plate 1103, a swinging cylinder 1104 and a fixing block 1105, the rotating shaft 1102 is connected to the right side of the connecting rod 1101, the rotating plate 1103 is installed on the right side of the rotating shaft 1102, the swinging cylinder 1104 is connected to the right side of the rotating plate 1103, and the fixing block 1105 is fixed outside the swinging cylinder 1104.

Connecting rod 1101 is through pivot 1102, cooperation between carousel 1103 and the swing cylinder 1104 constitutes revolution mechanic with fixed block 1105, and it is symmetrical about the horizontal center line of connecting rod 1101 between the fixed block 1105, work through swing cylinder 1104 drives carousel 1103 and rotates, carousel 1103 drives pivot 1102 and rotates, thereby drive fourth branch 10 and rotate, make the operation ladder can expand when using, the operation ladder after expanding constitutes a triangle-shaped with ground, stability when having promoted the operation ladder and using through the triangle-shaped structure, the condition that the operation ladder rocked has appeared when working has been avoided, can fold the operation ladder together when need not using the operation ladder simultaneously, can not occupy too much space.

The working principle is that firstly, the operation ladder is connected, a power supply is arranged inside the protective shell 2, the operation ladder is provided with electric power through the power supply, when the operation ladder works, the operation ladder is supported through the support legs below the base 1, when the operation ladder is moved, the operation ladder is inclined, the roller 3 is enabled to support the operation ladder, the friction force between the roller 3 and the ground when the operation ladder moves is converted into rolling friction through sliding friction, so that the operation ladder can be moved easily, after the operation ladder is moved to a proper position, the rotary table 1103 is driven to rotate through the work of the swing air cylinder 1104, the rotary table 1103 drives the rotary shaft 1102 to rotate, so that the fourth supporting rod 10 is driven to rotate, the operation ladder can be unfolded when in use, the unfolded operation ladder and the ground form a triangle, and the stability of the operation ladder when in use is improved through the triangular structure, avoided the condition that the operation ladder during operation to appear rocking, simultaneously can be in the same place the operation ladder is folding when need not using the operation ladder, can not occupy too much space, dead lever 4, first branch 7, second branch 8, constitute telescopic link structure between third branch 9 and the fourth branch 10, work through pneumatic cylinder 6 can drive first branch 7, second branch 8, third branch 9 and fourth branch 10 go up and down, thereby make the operation ladder can be automatic according to the condition carry out the regulation on the length, the flexibility of operation ladder structure has been promoted.

Then, can scramble the operation ladder through horizontal pole 12 to overhaul the operation to the cubical switchboard of eminence, when need not using the operation ladder fourth branch 10 receives in the inside of third branch 9, and third branch 9 receives in the inside of second branch 8, and second branch 8 receives in the inside of first branch 7, and first branch 7 receives in the inside of dead lever 4, makes the operation ladder can not occupy too much space, and the operation ladder of being convenient for is deposited.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. Cubical switchboard operation ladder, its characterized in that: including base (1), dead lever (4) and pneumatic cylinder (6), the top of base (1) is fixed with protective housing (2), and the front end of base (1) is connected with gyro wheel (3), the inside of dead lever (4) is provided with slide (5), and dead lever (4) are located the left side of base (1), the top of pneumatic cylinder (6) is connected with first branch (7), and pneumatic cylinder (6) are located the inside of slide (5), second branch (8) are installed to the top of first branch (7), and the top of second branch (8) is connected with third branch (9), the top of third branch (9) is provided with fourth branch (10), and the top of fourth branch (10) is fixed with folding mechanism (11), the right side of fourth branch (10) is connected with horizontal pole (12).

2. The switchgear operation ladder of claim 1, wherein: stamping forming is adopted between the base (1) and the protective shell (2), the rollers (3) and the base (1) are perpendicular to each other, and the rollers (3) are symmetrical about the vertical center line of the base (1).

3. The switchgear operation ladder of claim 1, wherein: the fixing rods (4) are perpendicular to the base (1), the first supporting rods (7) form a sliding structure with the fixing rods (4) through the sliding ways (5), and the fixing rods (4) are symmetrical about the vertical center line of the cross rod (12).

4. The switchgear operation ladder of claim 1, wherein: the structure between first branch (7), second branch (8), third branch (9) and fourth branch (10) is the same, and the size between first branch (7), second branch (8), third branch (9) and fourth branch (10) is all inequality, and all constitute extending structure with dead lever (4) through cooperation between pneumatic cylinder (6) and slide (5) between first branch (7), second branch (8), third branch (9) and fourth branch (10).

5. The switchgear operation ladder of claim 1, wherein: folding mechanism (11) include connecting rod (1101), pivot (1102), carousel (1103), swing cylinder (1104) and fixed block (1105), and the right side of connecting rod (1101) is connected with pivot (1102), carousel (1103) is installed on the right side of pivot (1102), and the right side of carousel (1103) is connected with swing cylinder (1104), the external fixation of swing cylinder (1104) has fixed block (1105).

6. The switchgear operation ladder of claim 5, wherein: the connecting rod (1101) and the fixed blocks (1105) form a rotating structure through the matching among the rotating shaft (1102), the rotating disc (1103) and the swing air cylinder (1104), and the fixed blocks (1105) are symmetrical with each other about the horizontal center line of the connecting rod (1101).