CN217300011U

CN217300011U - Mechanical synchronizing device for large-tonnage lifting stage

Info

Publication number: CN217300011U
Application number: CN202220028770.7U
Authority: CN
Inventors: 罗亮文; 杨光涛; 杨光才
Original assignee: Shandong Huameng Machinery Manufacturing Co ltd
Current assignee: Shandong Huameng Machinery Manufacturing Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-08-26
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a large-tonnage lift stage machinery synchronizer relates to lift stage technical field. Including the sill, the sill top is provided with a supporting bench, evenly is provided with buffer structure between sill and the supporting bench, and the supporting bench top is provided with the elevating platform, and the four corners is symmetry mutually between supporting bench and the elevating platform to be provided with cuts fork elevation structure. The utility model discloses a setting of moving structure and scissors fork structure, motor synchronous start, the motor drives the screw rod and rotates, the screw rod drives the movable block and removes to the horizontal direction of keeping away from each other and being close to, the movable block drives connective bar and gyro wheel to keeping away from each other and the horizontal direction removal that is close to each other, the gyro wheel drives the scissors fork angle between the bracing piece and diminishes and the grow, thereby make the elevating platform realize rising and the effect that descends, a plurality of scissors fork structures and moving structure interconnect are as an organic whole and go on in step, make synchronous effect better, the error is low, better improvement the device's usability.

Description

Mechanical synchronizing device for large-tonnage lifting stage

Technical Field

The utility model relates to a lifting stage technical field specifically is large-tonnage lifting stage mechanical synchronization device.

Background

The stage is a space provided in a theater for the performers to perform, and it can concentrate the audience on the performers to perform and obtain a desired viewing effect. The stage is generally composed of one or more platforms, and some platforms can be lifted; the stage types include a picture frame type stage, an extension type stage, a ring type stage and a rotary type stage.

The current large-tonnage lift stage generally goes up and down through a plurality of lift platform synchronization and realizes, and the synchronization between them is by the mesa link together realization synchronous lift, and such synchronization effect is not good, and it is big to easily lead to the error, for this, the utility model provides a neotype solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-tonnage lift stage machinery synchronizer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: large-tonnage lift stage machinery synchronizer, including the sill, the sill top is provided with a supporting bench, evenly be provided with a plurality of buffer structure between sill and the supporting bench, the supporting bench top is provided with the elevating platform, four corners symmetry of each other is provided with cuts fork elevation structure between supporting bench and the elevating platform, supporting bench top and elevating platform bottom symmetry are provided with the removal structure, the removal structure sets up the piece of placing in supporting bench top and elevating platform bottom both sides including the symmetry, it is equipped with the screw rod to place the middle part between the piece and all insert, screw rod one end is connected with the motor, it is provided with the gag lever post to place bilateral symmetry between the piece, symmetrical cover is equipped with the movable block on gag lever post and the screw rod, a side symmetry at movable block both ends is fixed with two connecting blocks.

Preferably, the buffer structure comprises a fixed pipe uniformly arranged on the base platform, a connecting pipe is inserted in the fixed pipe, springs are arranged in the connecting pipe and the fixed pipe, and two ends of each spring are fixed with the base platform and the supporting platform respectively.

Preferably, the scissor lifting structure comprises two fixed blocks which are symmetrically arranged on the four corners of the top end of the supporting table and the bottom end of the lifting table, a fixed rod is inserted between the fixed blocks, a supporting rod which is obliquely arranged downwards and obliquely arranged upwards is sleeved on the fixed rod, a connecting rod is inserted in the middle of the supporting rod, a connecting rod is inserted in the other end of the supporting rod, and a roller is sleeved in the middle of the connecting rod.

Preferably, the top end of the supporting table and the two sides of the bottom end of the lifting table are symmetrically provided with limiting slide rails matched with the rollers, and the moving block is provided with limiting blocks matched with the limiting slide rails.

Preferably, the middle of the limiting rod is sleeved with a spring, and two ends of the spring are fixed with the moving block.

Preferably, the connecting rod is connected with the supporting rod in a sliding manner, the fixing rod is fixed with the supporting rod and is connected with the fixing block in a sliding manner, the connecting rod is fixed with the supporting rod and is connected with the roller in a sliding manner, and the connecting rod is sleeved with the connecting rod and is connected with the connecting rod in a sliding manner.

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

this large-tonnage lift stage machinery synchronizer, through the setting of moving structure and scissors fork structure, motor synchronous start, the motor drives the screw rod and rotates, the screw rod drives the movable block to keeping away from each other and removing with the horizontal direction that is close to each other, the movable block drives connective bar and gyro wheel to keeping away from each other and removing with the horizontal direction that is close to each other, the gyro wheel drives the scissors fork angle between the bracing piece and diminishes and grow, thereby make the elevating platform realize rising and the effect that descends, a plurality of scissors fork structures and moving structure interconnect go on as an organic whole and in step, make synchronous effect better, the error is low, better improvement the device's usability.

In addition, through buffer structure's setting, when the motor start control elevating platform goes up and down, the brace table easily produces the vibrational force for the brace table extrudees downwards, and connecting pipe and fixed pipe are close to each other, thereby the spring compresses and has played better buffering effect to the brace table.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a perspective sectional view of the present invention;

fig. 4 is a schematic view of the three-dimensional splitting structure of the buffering structure of the present invention.

In the figure: 1. a base table; 101. a fixed tube; 2. a support table; 201. a limiting slide rail; 202. a connecting pipe; 3. a fixed block; 301. a fixing rod; 302. a support bar; 303. a connecting rod; 304. a roller; 305. a connecting rod; 4. a chassis; 401. placing the blocks; 402. a screw; 403. a limiting rod; 404. a moving block; 405. connecting blocks; 406. a limiting block; 5. a spring; 6. a lifting platform.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: a large-tonnage lifting stage mechanical synchronizing device comprises a base platform 1, a support platform 2 is arranged above the base platform 1, a plurality of buffer structures are uniformly arranged between the base platform 1 and the support platform 2, a lifting platform 6 is arranged above the support platform 2, four corners between the support platform 2 and the lifting platform 6 are symmetrically provided with scissor lifting structures, the top end of the support platform 2 and the bottom end of the lifting platform 6 are symmetrically provided with moving structures, each moving structure comprises placing blocks 401 symmetrically arranged at the top end of the support platform 2 and the two sides of the bottom end of the lifting platform 6, the placing blocks 401 are fixed with the support platform 2 and the lifting platform 6, screw rods 402 are inserted in the middle parts between the placing blocks 401, the screw rods 402 are in sliding connection with the placing blocks 401, one ends of the screw rods 402 are connected with a motor, a case 4 is arranged outside the motor, the case 4 is fixed with the support platform 2 and the lifting platform 6, side plates of the case 4 are in threaded connection with a case 4 shell, and are convenient to maintain and install, all seted up the louvre on the machine case 4 curb plate, be convenient for the heat dissipation, make the device be difficult for receiving the thermal harm of motor work production, it is provided with gag lever post 403 to place bilateral symmetry between the piece 401, gag lever post 403 middle part all overlaps and is equipped with spring 5, spring 5 both ends are fixed mutually with movable block 404, gag lever post 403 with place the piece 401 fixed, the symmetrical cover is equipped with movable block 404 on gag lever post 403 and the screw rod 402, movable block 404 and the equal sliding connection of gag lever post 403, the screw thread direction on two screw rods 402 is the same, the same thread groove of screw rod 402 screw thread direction has been seted up in a movable block 404, the thread groove opposite with screw rod 402 screw thread direction has been seted up in another movable block 404, make screw rod 402 rotate and to drive movable block 404 to be close to each other and move in step, movable block 404 both ends one side symmetry is fixed with two connecting blocks 405.

As a specific embodiment, buffer structure is including evenly setting up the fixed pipe 101 on the sill 1, the interpolation of fixed pipe 101 is equipped with connecting pipe 202, be provided with spring 5 in connecting pipe 202 and the fixed pipe 101, the spring 5 both ends are fixed with sill 1 and supporting bench 2 respectively, the equal symmetry in supporting bench 2 top and 6 bottom both sides of elevating platform is provided with the spacing slide rail 201 with gyro wheel 304 looks adaptation, spacing slide rail 201 has played limiting displacement to gyro wheel 304, all be provided with the stopper 406 with spacing slide rail 201 looks adaptation on the movable block 404.

As a specific embodiment, scissor lift structure includes two fixed blocks 3 that symmetry of each other set up on supporting bench 2 top and 6 bottom four corners of elevating platform, it is equipped with dead lever 301 to insert between the fixed block 3, the cover is equipped with bracing piece 302 that sets up and set up in the slant downwards on the dead lever 301, bracing piece 302 middle part is inserted and is equipped with connecting rod 303, bracing piece 302 other end is inserted and is equipped with connective bar 305, connective bar 305 middle part cover is equipped with gyro wheel 304, connecting rod 303 and bracing piece 302 looks sliding connection, dead lever 301 is fixed with bracing piece 302 and with fixed block 3 sliding connection, connective bar 305 is fixed with bracing piece 302 and with gyro wheel 304 sliding connection, connecting block 405 cover is established on connective bar 305 and with connective bar 305 sliding connection.

Particularly, when the device is used, when the lifting platform 6 needs to be lifted, the motor is started, the motor drives the screw 402 to rotate, the moving block 404 synchronously moves towards the horizontal direction away from each other under the rotation of the screw 402 and the limiting action of the limiting rod 403, the moving block 404 drives the connecting block 405, the connecting rod 305 and the roller 304 to synchronously move towards the horizontal direction away from each other, at the moment, the limiting block 406 slides in the limiting slide rail 201, the moving block 404 moves more stably under the limiting action of the limiting rod 403 and the limiting block 406, meanwhile, the moving block 404 stretches the spring 5 on the limiting rod 403, the spring 5 plays a certain buffering effect on the moving block 404, so that the movement of the moving block 404 can be more stable, the roller 304 moves to enable the shearing fork angle between the supporting rods 302 to be reduced, meanwhile, the supporting rods 302 approach towards the direction of the fixing block 3, and the vertical height of the supporting rods 302 is increased, make elevating platform 6 rise, can stop the motor when rising to the take the altitude, when needs reduce elevating platform 6, the starter motor, the motor drives screw 402 and rotates, screw 402 rotation direction when rising with motor control elevating platform 6 this moment is opposite with screw 402 rotation direction, moving block 404 is to the direction horizontal migration that is close to each other, moving block 404 drives connecting block 405, connecting rod 305 and gyro wheel 304 are together to the horizontal direction synchronous movement that is close to each other, moving block 404 makes spring 5 on the gag lever post 403 compress, gyro wheel 304 removes and makes the scissors angle grow between the bracing piece 302, bracing piece 302 is kept away from to fixed block 3 direction, the vertical height of bracing piece 302 reduces, make elevating platform 6 reduce, it can to stop the motor when reducing the take the altitude. Through buffer structure's setting, when motor start control elevating platform 6 goes up and down, supporting bench 2 easily produces the vibrational force for supporting bench 2 extrudees downwards, and connecting pipe 202 and fixed pipe 101 are close to each other, thereby spring 5 compresses and has played better buffering effect to supporting bench 2. It should be noted that the synchronous starting of the motor is the prior art, and therefore, the working principle of the synchronous starting is not explained too much here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Large-tonnage lift stage machinery synchronizer includes sill (1), its characterized in that: base (1) top is provided with brace table (2), evenly be provided with a plurality of buffer structure between base (1) and the brace table (2), brace table (2) top is provided with elevating platform (6), four corners symmetry of each other is provided with cuts fork elevation structure between brace table (2) and elevating platform (6), brace table (2) top and elevating platform (6) bottom symmetry are provided with the removal structure, the removal structure is including placing piece (401) of symmetry setting in brace table (2) top and elevating platform (6) bottom both sides, it is equipped with screw rod (402) all to insert in the middle part between piece (401) to place, screw rod (402) one end is connected with the motor, it is provided with gag lever post (403) to place bilateral symmetry between piece (401), the symmetry cover is equipped with movable block (404) on gag lever post (403) and screw rod (402), movable block (404) both ends side symmetry is fixed with two connecting blocks (405).

2. The large-tonnage lifting stage mechanical synchronizing device according to claim 1, characterized in that: buffer structure is equipped with connecting pipe (202) including evenly setting up fixed pipe (101) on base frame (1) in fixed pipe (101) interpolation, is provided with spring (5) in connecting pipe (202) and fixed pipe (101), and spring (5) both ends are fixed with base frame (1) and brace table (2) respectively.

3. The large-tonnage lifting stage mechanical synchronizing device according to claim 1, characterized in that: cut fork elevation structure including mutual symmetry set up two fixed blocks (3) on brace table (2) top and elevating platform (6) bottom four corners, insert between fixed block (3) and be equipped with dead lever (301), the cover is equipped with bracing piece (302) that set up and set up in the slant downwards to one side on dead lever (301), bracing piece (302) middle part is inserted and is equipped with connecting rod (303), bracing piece (302) other end is inserted and is equipped with connective bar (305), connective bar (305) middle part cover is equipped with gyro wheel (304).

4. The large-tonnage lifting stage mechanical synchronizing device according to claim 3, characterized in that: limiting slide rails (201) matched with the rollers (304) are symmetrically arranged on the top end of the support platform (2) and the two sides of the bottom end of the lifting platform (6), and limiting blocks (406) matched with the limiting slide rails (201) are arranged on the moving blocks (404).

5. The large-tonnage lifting stage mechanical synchronizing device according to claim 1, characterized in that: the middle of the limiting rod (403) is sleeved with a spring (5), and two ends of the spring (5) are fixed with the moving block (404).

6. The large-tonnage lifting stage mechanical synchronizing device according to claim 3, characterized in that: connecting rod (303) and bracing piece (302) looks sliding connection, dead lever (301) and bracing piece (302) fixed and with fixed block (3) sliding connection, connecting rod (305) and bracing piece (302) fixed and with gyro wheel (304) sliding connection, connecting block (405) cover establish on connecting rod (305) and with connecting rod (305) sliding connection.