CN220369779U

CN220369779U - Clamping bearing mechanism

Info

Publication number: CN220369779U
Application number: CN202321440577.5U
Authority: CN
Inventors: 李中华; 钱学华; 聂明生
Original assignee: Nanjing Bailade Testing Equipment Co ltd
Current assignee: Nanjing Bailade Testing Equipment Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2024-01-23
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a clamping bearing mechanism, which belongs to the technical field of bearing equipment and comprises a supporting seat and a positioning box movably connected to the surface of the supporting seat, wherein a lifting screw is rotationally connected to the supporting seat, a supporting sleeve fixedly connected with the positioning box is connected to the outer wall of the lifting screw in a threaded manner, a rotating column is rotationally connected to the positioning box, a bearing table is fixedly connected to the top of the rotating column, an adjusting shaft is rotationally connected to the bearing table, two groups of thread grooves with opposite directions are symmetrically arranged on the outer wall of the adjusting shaft, connecting blocks are respectively connected to the outer sides of the two groups of thread grooves on the outer wall of the adjusting shaft in a threaded manner, a clamping plate is slidingly connected to the outer side of each connecting block, two mounting holes are symmetrically arranged in each connecting block, and a positioning sleeve is fixedly connected to each mounting hole of each connecting block. This centre gripping bearing mechanism not only can the show angle of quick adjustment plummer, can dismantle the grip block fast moreover, be convenient for later maintenance and change.

Description

Clamping bearing mechanism

Technical Field

The utility model belongs to the technical field of bearing equipment, and particularly relates to a clamping bearing mechanism.

Background

The building and environment art model is between the plane drawing and the actual three-dimensional space, organically connects the plane drawing and the actual three-dimensional space together, is a three-dimensional model, is favorable for the push and knock of design creation, can intuitively embody the design intention, makes up the limitation of the drawing in expression, and supports the building model when the building model is required to be used during display, so that the display and the fixation of the building model are realized. When the existing bearing frame is used, the structure is relatively fixed, the adjustment is inconvenient, and the use is not flexible.

Reference is made to the Chinese patent grant: a model carrier, an authorized bulletin number: CN218355466U, this utility model, through the lifting base that sets up including ground connection base, slip bracing piece, cut crane, movable connection seat and hydraulic stay, can reduce equipment area and can adjust its height that bears according to the height of model when using, through the clamping component that sets up including fluting centre gripping platform, grip block, internal thread ring, driving motor, two-way threaded rod, gag lever post and rubber pad, be applicable to not unidimensional building model and bear fixedly when using, improve the stability that the model born and avoid causing the damage to the model.

However, certain defects exist in the use process, such as in the display process, the angle of the model is inconvenient to flexibly adjust, and a worker is required to continuously walk to observe different positions of the model, so that the display effect is poor.

Disclosure of Invention

The utility model aims to provide a clamping bearing mechanism to solve the problems that in the process of displaying, the angle of a model is inconvenient to flexibly adjust, and a worker is required to continuously walk to observe different positions of the model, so that the display effect is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the clamping bearing mechanism comprises a supporting seat and a positioning box movably connected to the surface of the supporting seat, wherein a lifting screw is rotationally connected to the supporting seat, a supporting sleeve fixedly connected with the positioning box is connected to the outer wall of the lifting screw in a threaded manner, a rotating motor is installed on the bottom wall of an inner cavity of the positioning box, a rotating column is rotationally connected to the positioning box, and a bearing table is fixedly connected to the top of the rotating column;

the bearing table is rotationally connected with an adjusting shaft, two groups of thread grooves with opposite directions are symmetrically formed in the outer wall of the adjusting shaft, connecting blocks are connected with the two groups of thread grooves on the outer wall of the adjusting shaft in an externally threaded mode, clamping plates are connected to the outer portions of the connecting blocks in a sliding mode, two mounting holes are symmetrically formed in the connecting blocks, and positioning sleeves are fixedly connected to the mounting holes of the connecting blocks.

In a further embodiment, a driving gear is fixedly connected to the outer wall of the output shaft of the rotating motor, and a driven gear meshed with the driving gear is fixedly connected to the outer wall of the rotating column.

In a further embodiment, a fixed spring is arranged in the positioning sleeve, a positioning pin sliding in the positioning sleeve is arranged on one side of the fixed spring, and two positioning grooves matched with the positioning pin are symmetrically formed in the clamping plate.

In a further embodiment, a stepping motor is mounted on the bottom wall of the inner cavity of the supporting seat, and a driving bevel gear is fixedly connected to the end face of the output shaft of the stepping motor.

In a further embodiment, a driven bevel gear meshed with the driving bevel gear is fixedly connected to the outer wall of the lower half part of the lifting screw.

In a further embodiment, two limiting holes are symmetrically formed in the surface of the supporting seat, and limiting columns fixedly connected with the positioning box are connected in the limiting holes in the surface of the supporting seat in a sliding mode.

The utility model has the technical effects and advantages that:

according to the clamping bearing mechanism, the model is placed on the surface of the bearing table, the two clamping plates are attached to the two sides of the model, the position of the model is fixed, meanwhile, the rotating motor works, the rotating column and the bearing table can be driven to rotate, so that the model is driven to rotate, workers can observe different positions of the model conveniently, and the use is more flexible;

the positioning pin is supported by the fixing spring, so that the positioning pin is inserted into the positioning groove of the clamping plate, the clamping plate can be quickly installed, the clamping plate is pulled upwards, the clamping plate can be quickly taken down from the connecting block, the clamping plate is convenient to detach, different clamping plates are convenient to replace according to the shape of a model, meanwhile, the later maintenance is convenient, the clamping bearing mechanism can quickly adjust the display angle of the bearing table, and the clamping plate can be quickly disassembled and assembled, so that later maintenance and replacement are convenient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

FIG. 4 is a cross-sectional view of the connection block and clamping plate of the present utility model;

fig. 5 is an enlarged view of the present utility model at B in fig. 4.

In the figure: 1. a support base; 2. a stepping motor; 3. a drive bevel gear; 4. lifting screw rods; 5. a driven bevel gear; 6. a support sleeve; 7. a limit column; 8. a positioning box; 9. a rotating electric machine; 10. a drive gear; 11. rotating the column; 12. a driven gear; 13. a carrying platform; 14. an adjusting shaft; 15. a connecting block; 16. a clamping plate; 17. a positioning sleeve; 18. a fixed spring; 19. and (5) positioning pins.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.

The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.

In order to rapidly clamp models with different specifications, meanwhile, the display height and the angle of the models are flexibly adjusted, as shown in fig. 1 to 4, a stepping motor 2 is arranged on the bottom wall of an inner cavity of a supporting seat 1 through bolts, a driving bevel gear 3 is welded on the end face of an output shaft of the stepping motor 2, a lifting screw 4 is rotatably connected in the supporting seat 1 through a welded bearing, a driven bevel gear 5 meshed with the driving bevel gear 3 is welded on the outer wall of the lower half part of the lifting screw 4, a supporting sleeve 6 is connected on the outer wall of the lifting screw 4 in a threaded manner, a positioning box 8 used for bearing the models is fixed on the surface of the supporting sleeve 6 through bolts, two limiting holes are symmetrically formed in the surface of the supporting seat 1, and limiting columns 7 welded and fixed with the positioning box 8 are slidably connected in the limiting holes in the surface of the supporting seat 1, so that when the positioning box 8 moves, the moving path of the positioning box 8 is limited, the driving bevel gear 3 is driven by the stepping motor 2 to rotate, the driven bevel gear 5 and the lifting screw 4 are driven to move, and the supporting sleeve 6 is further driven to move, and the height of the positioning box 8 is automatically adjusted;

the bottom wall of the inner cavity of the positioning box 8 is provided with a rotating motor 9 through a bolt, the outer wall of an output shaft of the rotating motor 9 is welded with a driving gear 10, a rotating column 11 is rotatably connected in the positioning box 8 through a welded bearing, the outer wall of the rotating column 11 is fixedly connected with a driven gear 12 meshed with the driving gear 10, a bearing table 13 is welded at the top of the rotating column 11, the diameter of the driving gear 10 is smaller than that of the driven gear 12, a large gear is driven to rotate through a small gear, the rotating speed of the bearing table 13 is reduced, and therefore stability of the bearing table 13 during rotation is guaranteed;

the regulating shaft 14 is rotationally connected in the bearing table 13 through welded bearings, two groups of thread grooves with opposite trend are symmetrically formed in the outer wall of the regulating shaft 14, the connecting blocks 15 are connected with the two groups of thread grooves in the outer wall of the regulating shaft 14 in an externally threaded mode, the clamping plates 16 are slidably connected to the outside of the connecting blocks 15, the end faces of the regulating shaft 14, which are positioned outside the bearing table 13, are welded with the turntables, the model is placed on the surface of the bearing table 13, the regulating shaft 14 is rotated through the turntables, the two connecting blocks 15 and the clamping plates 16 are driven to move in opposite directions, the two clamping plates 16 are attached to the two sides of the model, the position of the model is fixed, meanwhile, the rotating motor 9 works, the driving gear 10 drives the rotating column 11 and the bearing table 13 to rotate through the driven gear 12, so that the model is driven to rotate, workers can observe different positions of the model conveniently, and the model is more flexible to use.

In order to disassemble and assemble the clamping plate 16 quickly, the two mounting holes are symmetrically formed in the connecting block 15, the positioning sleeve 17 is welded in the mounting hole of the connecting block 15, the fixing spring 18 is arranged in the positioning sleeve 17, the positioning pin 19 sliding in the positioning sleeve 17 is arranged on one side of the fixing spring 18, two positioning grooves matched with the positioning pin 19 are symmetrically formed in the clamping plate 16, limiting sliding blocks are fixed on the outer walls of the two sides of the positioning pin 19, limiting sliding grooves for the sliding of the limiting sliding blocks are formed in the inner walls of the two sides of the positioning sleeve 17, the positioning pin 19 can be prevented from falling off from the positioning sleeve 17, the positioning pin 19 is supported through the fixing spring 18, the positioning pin 19 is spliced in the positioning groove of the clamping plate 16, accordingly, the clamping plate 16 can be quickly installed, the clamping plate 16 can be quickly pulled upwards, the clamping plate 16 can be conveniently detached from the connecting block 15, the clamping plates 16 can be conveniently replaced according to the shape of a model, and the later maintenance is also convenient.

The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming by a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Working principle:

when the clamping bearing mechanism is used, a model is placed on the surface of a bearing table 13, an adjusting shaft 14 is rotated through a turntable, two connecting blocks 15 and clamping plates 16 are driven to move in opposite directions, the two clamping plates 16 are attached to two sides of the model, and the position of the model is fixed;

simultaneously, the stepping motor 2 and the rotating motor 9 are started, the stepping motor 2 drives the driving bevel gear 3 to rotate, so that the driven bevel gear 5 and the lifting screw 4 are driven to rotate, the supporting sleeve 6 is driven to move, the height of the positioning box 8 is automatically adjusted, the rotating motor 9 drives the driving gear 10 to rotate, the driving gear 10 drives the rotating column 11 and the bearing table 13 to rotate through the driven gear 12, and therefore the model is driven to rotate, the observation of different positions of the model by workers is facilitated, and the model is more flexible to use;

when the clamping plate 16 needs to be replaced, the clamping plate 16 is pulled upwards, the clamping plate 16 is quickly removed from the connecting block 15, a new clamping plate 16 is replaced, and the fixing spring 18 supports the positioning pin 19, so that the positioning pin 19 is inserted into the positioning groove of the clamping plate 16, and the clamping plate 16 is quickly installed.

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

Claims

1. The utility model provides a centre gripping bearing mechanism, includes supporting seat (1) and swing joint in positioning box (8) on supporting seat (1) surface, its characterized in that: the supporting seat (1) is rotationally connected with a lifting screw (4), the outer wall of the lifting screw (4) is in threaded connection with a supporting sleeve (6) fixedly connected with a positioning box (8), a rotary motor (9) is installed on the bottom wall of the inner cavity of the positioning box (8), a rotary column (11) is rotationally connected with the positioning box (8), and a bearing table (13) is fixedly connected to the top of the rotary column (11);

the bearing table (13) is rotationally connected with an adjusting shaft (14), two groups of thread grooves with opposite directions are symmetrically formed in the outer wall of the adjusting shaft (14), connecting blocks (15) are connected with the outer sides of the two groups of thread grooves of the outer wall of the adjusting shaft (14) in a threaded mode, clamping plates (16) are connected to the outer sides of the connecting blocks (15) in a sliding mode, two mounting holes are symmetrically formed in the connecting blocks (15), and positioning sleeves (17) are fixedly connected to the mounting holes of the connecting blocks (15).

2. A clamp bearing mechanism according to claim 1, wherein: the outer wall of the output shaft of the rotating motor (9) is fixedly connected with a driving gear (10), and the outer wall of the rotating column (11) is fixedly connected with a driven gear (12) meshed with the driving gear (10).

3. A clamp bearing mechanism according to claim 1, wherein: the positioning sleeve (17) is internally provided with a fixed spring (18), one side of the fixed spring (18) is provided with a positioning pin (19) sliding in the positioning sleeve (17), and two positioning grooves matched with the positioning pin (19) are symmetrically formed in the clamping plate (16).

4. A clamp bearing mechanism according to claim 1, wherein: the bottom wall of the inner cavity of the supporting seat (1) is provided with a stepping motor (2), and the end face of an output shaft of the stepping motor (2) is fixedly connected with a driving bevel gear (3).

5. A clamp bearing mechanism according to claim 4, wherein: the outer wall of the lower half part of the lifting screw (4) is fixedly connected with a driven bevel gear (5) meshed with the driving bevel gear (3).

6. A clamp bearing mechanism according to claim 4, wherein: two limit holes are symmetrically formed in the surface of the supporting seat (1), and limit columns (7) fixedly connected with the positioning box (8) are connected in the limit holes in the surface of the supporting seat (1) in a sliding mode.