CN218292698U - Expansion device of maintenance platform - Google Patents

Abstract

The utility model discloses an overhaul platform telescoping device, including the panel main part, the lower extreme fixed mounting of panel main part has the assembly piece, the inside fixed mounting of panel main part has the fixed strip, the equal movable mounting in both sides of fixed strip has double-line screw rod, two connect through drive sprocket and drive chain mutual drive between the double-line screw rod, rotatory dwang, the dwang drives the double-line screw rod through conical gear and diversion gear and rotates, two double-line screw rods are under drive sprocket and drive chain's effect, rotate in step, two remove the strip under the effect of screw hole, remove to relative or the orientation that leaves mutually along the double-line screw rod, when two remove the strip and remove to the orientation removal of leaving mutually, remove the strip and move the connecting plate through the expansion plate for panel main part and expansion plate can expand, the connecting plate drives the movable block through the bracing piece and removes, compress support spring, strengthened the supporting effect.

Description

A maintenance platform telescopic device

technical field

The utility model relates to the technical field of maintenance platforms, in particular to a telescopic device for maintenance platforms.

Background technique

It is fixed on the equipment base during substation maintenance and is used for operators to stand and hang safety belts or work platforms for fall arresters. According to the purpose, it is divided into isolation switch maintenance platform, circuit breaker maintenance platform, transformer maintenance platform and general maintenance platform;

The maintenance platform is an important equipment in the use process of electric equipment. Although the existing maintenance platform can meet the needs of users to a certain extent, there are still certain defects in the use process. For example, the existing maintenance platform The board surface of the platform is mostly a whole board. During the use process, the area of the board surface cannot be adjusted according to the user's needs, so that there are certain limitations during the use process, which affects the use of the user. Therefore we provide a kind of maintenance platform telescopic device.

Utility model content

The purpose of this utility model is to provide a telescoping device for an inspection platform to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a maintenance platform expansion device, including a panel body, the lower end of the panel body is fixedly installed with an assembly block, and the inside of the panel body is fixedly installed with a fixing strip. Both sides of the fixed strip are movably equipped with double-threaded screws, and the two double-threaded screws are connected to each other through a transmission sprocket and a transmission chain. A rotating rod is movably installed at the middle position on one side of the panel main body, so that The bevel gear at one end of the rotating rod and the reversing gear are connected to the double-threaded screw, and the two ends of the two double-threaded screws are flexibly connected with the inner wall of the panel body, and the two ends of the two double-threaded screws are movable. There is a moving strip, one side of the moving strip is fixedly installed with a telescopic plate, one end of the telescopic plate is movably inserted outside the panel main body, and this end is fixedly mounted with a connecting plate, and the insides of both ends of the double-threaded screw rod are A support rod is interspersed with movement, one end of the support rod extends to the outside of the panel main body, and this end is fixedly connected to one side of the connecting plate, the other end of the support rod is fixedly installed with a moving block, and the surface of the support rod A support spring connected with the moving block is sheathed, and one end of the support spring is connected with the inner wall of the panel main body.

As a further improvement of the above technical solution: both ends of the moving bar are provided with threaded holes, the double-threaded screw is inserted into the threaded hole, and is threadedly connected with the double-threaded screw, and the double-threaded screw is a hollow tube .

As a further improvement of the above technical solution: a limiting groove is provided at the middle of one side of the panel main body, and a limiting ring gear is fixedly installed on one end of the inner wall of the limiting groove.

As a further improvement of the above technical solution: one side of the inner wall of the limiting groove is movably interspersed with one end of a rotating rod, the surface of the rotating rod is provided with a limiting ring, and one end of the rotating rod is sleeved with an adjusting rod.

As a further improvement of the above-mentioned technical solution: the outer fixed sleeve of the adjustment rod is provided with a limit tooth plate that engages with the limit ring gear, the surface of the adjustment rod is covered with a first clamp spring, and the first clamp One end of the fixed spring is movably connected with the limit chainring.

As a further improvement of the above technical solution: the other end of the first clamping spring is fixedly connected to the inner wall of the limiting groove, and a movable rod is fixedly installed inside the adjusting rod.

As a further improvement of the above technical solution: one end of the movable rod extends to the inside of the rotating rod, and the end is fixedly mounted with a movable block, and the surface of the rotating rod is covered with a second locking spring.

As a further improvement of the above technical solution: both sides of one end of the rotating rod are provided with chutes, both sides of the inner wall of the rotating rod are fixedly installed with long bars, and both sides of the movable block are provided with long bars. The grooves matched with the bars, and the two sides of the inner wall of the adjusting rod are fixedly installed with sliders matched with the chute.

Compared with the prior art, the beneficial effects of the utility model are:

1. In this utility model, the user rotates the rotating rod, and the rotating rod drives the double-threaded screw to rotate through the bevel gear and the direction-changing gear. The two double-threaded screws rotate synchronously under the action of the transmission sprocket and the transmission chain. Under the action of the threaded hole, the moving strip moves along the double-threaded screw in the direction opposite or apart. When the two moving strips move in the direction away from each other, the moving strip drives the connecting plate to move through the telescopic plate, so that the panel The main body and the telescopic plate can be unfolded, and the connecting plate drives the moving block to move through the support rod, compresses the support spring, and strengthens the support effect.

2. In the utility model, under the action of the first clamping spring and the second clamping spring, the regulating rod makes the limit tooth plate at one end of the regulating rod engage with the limit ring gear, so that the regulating rod cannot rotate. Under the action of the slider, the chute, the long bar and the groove, the adjustment rod and the rotation rod are flexibly connected, and the adjustment rod limits the rotation rod, so that the double thread screw cannot be rotated, which is convenient for the movement of the bar on the surface of the double thread screw. The position is limited, which is convenient to limit the position of the telescopic plate. When the rotation rod is rotated, the user pulls the adjustment rod, and the adjustment rod moves along the rotation rod, so that the limit tooth plate is separated from the limit ring gear. The user can drive the rotating rod to rotate through the adjusting rod, which is convenient for the user to adjust.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic diagram of the bottom structure of the utility model;

Fig. 3 is a schematic diagram of the internal structure of the utility model device;

Fig. 4 is an enlarged view of the structure at A in Fig. 3 of the present utility model;

In the figure: 1. Panel main body; 2. Connecting plate; 3. Assembly block; 4. Fixed bar; 5. Telescopic plate; 6. Moving bar; 7. Support rod; , supporting spring; 11, limit slot; 12, rotating rod; 13, limit ring; 14, limit ring gear; 15, adjusting rod; 16, limit tooth plate; Movable rod; 19, second fastening spring; 20, movable block.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the technical solutions in the utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the utility model.

Please refer to Fig. 1 to Fig. 3, the utility model provides a technical solution: a maintenance platform expansion device, including a panel main body 1, the lower end of the panel main body 1 is fixedly installed with an assembly block 3, and the inside of the panel main body 1 is fixedly installed with a fixed Bar 4, both sides of the fixed bar 4 are equipped with double-threaded screw rods 8, and the two double-threaded screw rods 8 are connected to each other through the transmission sprocket and the transmission chain. Rod 12, the bevel gear and the reversing gear at one end of the rotating rod 12 are in transmission connection with the double-threaded screw 8, and the two ends of the two double-threaded screws 8 are flexibly connected with the inner wall of the panel main body 1, and the two ends of the two double-threaded screws 8 Each movable sleeve is provided with a moving bar 6, and one side of the moving bar 6 is fixedly installed with a telescopic plate 5, and one end of the telescopic plate 5 is movably inserted on the outside of the panel main body 1, and the end is fixedly installed with a connecting plate 2, a double-threaded screw rod 8 Both ends are movably interspersed with a support rod 7, one end of the support rod 7 extends to the outside of the panel main body 1, and this end is fixedly connected to one side of the connecting plate 2, and the other end of the support rod 7 is fixedly mounted with a moving block 9, The surface of the support bar 7 is provided with a support spring 10 connected to the moving block 9, and one end of the support spring 10 is connected with the inner wall of the panel main body 1, and the two ends of the moving bar 6 are provided with threaded holes, and the double-threaded screw rod 8 is inserted in the The inside of the threaded hole is threadedly connected with the double-threaded screw rod 8, and the double-threaded screw rod 8 is a hollow tube;

Wherein, the user rotates the rotating rod 12, and the rotating rod 12 drives the double-threaded screw rod 8 to rotate through the bevel gear and the direction-changing gear. The two double-threaded screw rods 8 rotate synchronously under the action of the transmission sprocket and the transmission chain. Under the action of the threaded hole, the moving bar 6 moves along the double-threaded screw rod 8 to the opposite or apart direction. When the two moving bars 6 move in the direction away from each other, the moving bar 6 drives the connecting plate 2 through the telescopic plate 5. Move, so that the panel main body 1 and the telescopic plate 5 can be expanded, and the connecting plate 2 drives the moving block 9 to move through the support rod 7, compressing the support spring 10, and strengthening the support effect.

Please refer to Fig. 4, a limiting groove 11 is provided at the middle of one side of the panel main body 1, and one end of the inner wall of the limiting groove 11 is fixedly installed with a limiting ring gear 14, and one side of the inner wall of the limiting groove 11 is movably interspersed with a rotating rod 12 At one end, the surface of the rotating rod 12 is provided with a limiting ring 13, and one end of the rotating rod 12 is provided with an adjusting rod 15, and the outer fixed sleeve of the adjusting rod 15 is provided with a limiting chainring 16 that is engaged with the limiting ring gear 14, and the adjusting rod The surface of 15 is provided with a first clamping spring 17, one end of the first clamping spring 17 is movably connected with the limit chainring 16, the other end of the first clamping spring 17 is fixedly connected with the inner wall of the limit groove 11, and the adjusting rod The inside of 15 is fixedly equipped with movable rod 18, and one end of movable rod 18 extends to the inside of rotating rod 12, and this end is fixedly installed with movable block 20, and the surface of rotating rod 12 is sheathed with second fastening spring 19, and rotating rod Both sides of 12 one ends are all provided with chute, and the both sides of rotating rod 12 inwalls are all fixedly installed with strip block, and the both sides of movable block 20 all are provided with the groove that matches with strip block, and adjustment rod 15 inwalls one end Both sides are fixedly installed with sliders matching the chute;

Wherein, the adjusting rod 15 is under the action of the first clamping spring 17 and the second clamping spring 19, so that the limit tooth plate 16 at one end of the adjusting rod 15 is engaged with the limit ring gear 14, so that the adjusting rod 15 cannot rotate , under the action of the slider, the chute, the strip and the groove, the adjusting rod 15 and the rotating rod 12 are flexibly connected, and the adjusting rod 15 limits the rotating rod 12 so that the double-threaded screw rod 8 cannot rotate and is easy to move The position of the bar 6 on the surface of the double-threaded screw 8 is limited, so as to limit the position of the telescopic plate 5. When the rotating rod 12 is rotated, the user pulls the adjusting rod 15, and the adjusting rod 15 moves along the rotating rod 12. The limit tooth plate 16 is separated from the limit ring gear 14, and the user can drive the rotating rod 12 to rotate through the adjustment rod 15, which is convenient for the user to adjust.

Working principle: the user rotates the rotating rod 12, and the rotating rod 12 drives the double-threaded screw 8 to rotate through the bevel gear and the direction-changing gear. The two double-threaded screws 8 rotate synchronously under the action of the transmission sprocket and the transmission chain. Under the action of the threaded hole, the moving bar 6 moves along the double-threaded screw rod 8 in a direction opposite or apart. When the two moving bars 6 move in a direction away from each other, the moving bar 6 drives the connecting plate through the telescopic plate 5. 2 to move, so that the panel main body 1 and the telescopic plate 5 can be unfolded, the connecting plate 2 drives the moving block 9 to move through the support rod 7, compresses the support spring 10, and strengthens the support effect, and the adjustment rod 15 is in the first clamping spring 17 and the second clamping spring 19, the limit chainring 16 at one end of the adjustment rod 15 is clamped with the limit ring gear 14, so that the adjustment rod 15 cannot rotate, And under the effect of groove, make adjusting rod 15 and rotating rod 12 flexibly connect, and adjusting rod 15 is limited to rotating rod 12, makes double-threaded screw rod 8 unable to rotate, is convenient to move bar 6 on the position of double-threaded screw rod 8 surface. Limiting is convenient for limiting the position of the telescopic plate 5. When the rotating rod 12 is rotated, the user pulls the adjusting rod 15, and the adjusting rod 15 moves along the rotating rod 12, so that the limiting chainring 16 and the limiting ring gear 14 is disengaged, and the user can drive the rotating rod 12 to rotate through the adjusting rod 15, which is convenient for the user to adjust.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides an overhaul platform telescoping device, includes panel main part (1), the lower extreme fixed mounting of panel main part (1) has assembly piece (3), its characterized in that: a fixing strip (4) is fixedly arranged in the panel main body (1), two double-thread screw rods (8) are movably arranged on both sides of the fixed strip (4), the two double-thread screw rods (8) are mutually connected through a transmission chain wheel and a transmission chain in a transmission way, a rotating rod (12) is movably arranged in the middle of one side of the panel main body (1), the one end conical gear and the change gear of the dwang (12) are in transmission connection with the double-thread screw (8), the two ends of the two double-thread screws (8) are movably connected with the inner wall of the panel main body (1), the two ends of the two double-thread screws (8) are movably sleeved with the moving strip (6), one side of the movable strip (6) is fixedly provided with a telescopic plate (5), one end of the expansion plate (5) is movably inserted outside the panel main body (1), a connecting plate (2) is fixedly arranged at the end, supporting rods (7) are movably inserted in the two ends of the double-thread screw rod (8), one end of the supporting rod (7) extends to the outer side of the panel main body (1), and the end is fixedly connected with one side of the connecting plate (2), the other end of the supporting rod (7) is fixedly provided with a moving block (9), the surface of the supporting rod (7) is sleeved with a supporting spring (10) connected with a moving block (9), one end of the supporting spring (10) is connected with the inner wall of the panel main body (1).

2. A service platform telescopic device according to claim 1, wherein: threaded holes are formed in two ends of the moving strip (6), the double-threaded screw (8) is inserted into the threaded holes and is in threaded connection with the double-threaded screw (8), and the double-threaded screw (8) is a hollow tube.

3. A service platform telescopic device according to claim 1, wherein: a limiting groove (11) is formed in the middle of one side of the panel main body (1), and a limiting gear ring (14) is fixedly mounted at one end of the inner wall of the limiting groove (11).

4. A service platform telescopic device according to claim 3, wherein: one side activity interlude of spacing groove (11) inner wall has the one end of dwang (12), the surface of dwang (12) is provided with spacing ring (13), the pot head of dwang (12) is equipped with regulation pole (15).

5. A service platform telescopic device according to claim 4, wherein: the outer side of the adjusting rod (15) is fixedly sleeved with a limiting fluted disc (16) in clamping connection with a limiting gear ring (14), a first clamping spring (17) is sleeved on the surface of the adjusting rod (15), and one end of the first clamping spring (17) is movably connected with the limiting fluted disc (16).

6. A service platform telescopic device according to claim 5, wherein: the other end of the first clamping spring (17) is fixedly connected with the inner wall of the limiting groove (11), and a movable rod (18) is fixedly mounted inside the adjusting rod (15).

7. A service platform telescopic device according to claim 6, wherein: one end of the movable rod (18) extends to the inside of the rotating rod (12), a movable block (20) is fixedly mounted at the end of the movable rod, and a second clamping and fixing spring (19) is sleeved on the surface of the rotating rod (12).

8. A service platform telescopic device according to claim 7, wherein: the spout has all been seted up to the both sides of dwang (12) one end, the equal fixed mounting in both sides of dwang (12) inner wall has rectangular piece, the recess with rectangular piece matched with has all been seted up to the both sides of movable block (20), the equal fixed mounting in both sides of adjusting pole (15) inner wall one end has the slider with spout matched with.

Images