CN213318780U

CN213318780U - Screwing shaft translation lifting and rotating mechanism

Info

Publication number: CN213318780U
Application number: CN202021455018.8U
Authority: CN
Inventors: 陈飞; 吴虎; 张阳; 李斌斌; 李吉彬; 陈同兴; 吴志强
Original assignee: CRRC Nanjing Puzhen Rail Transport Co Ltd
Current assignee: CRRC Nanjing Puzhen Rail Transport Co Ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-06-01
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a screw up a translation lifting rotating mechanism, include: the rotating shaft is provided with a longitudinal moving mechanism, the top of the longitudinal moving mechanism is provided with a positioning fixing plate, and the positioning fixing plate is provided with a transverse translation mechanism; the top of the transverse translation mechanism is provided with a translation plate; screwing a shaft lifting plate; the output end of the lifting cylinder penetrates through the tightening shaft lifting plate to be fixedly connected with the translation plate; the tightening shaft is provided with a tightening shaft fixing plate, and the tightening shaft fixing plates are arranged at two ends of the tightening shaft lifting plate through a fine adjustment mechanism; the output end of the tightening shaft is provided with a sleeve. The utility model discloses an utilize the electrical control system and the operation of manual calibration simultaneously, the effectual during operation that has reduced consumes.

Description

Screwing shaft translation lifting and rotating mechanism

Technical Field

The utility model relates to a screw up a translation lifting rotary mechanism belongs to the supplementary technical field of assembly.

Background

Urban rail transit is safe and stable, and easy attraction takes, and the incident is several rare, and the security is much higher with highway traffic safety relatively. The rail transit is energy-saving and environment-friendly, energy consumption of each unit of transportation is that the rail transit system is only 3/5 of buses and 1/6 of private cars, energy conservation is mainly caused by reduction of rail friction force and less idling loss, and a large television replaces hundreds of small engines. Therefore, the demand for mass production or maintenance and assembly of urban rail equipment is increasing; at the same time, the quality of the assembly is also sought.

The following problems exist in the existing process of assembling urban rail trains: when the bottom of the carriage is assembled, the multiple shafts cannot be screwed down simultaneously, so that the assembly planes cannot be attached simultaneously; the 8 bolts are different in pre-tightening force due to the fact that the single shaft is tightened for multiple times; when the torque is verified by manually tightening the wrench, the final torque can float according to the using method, the perception degree and the like of an operator. The torque error value also increases. A plurality of processes are required for the operation, which takes a long time. Moreover, each construction needs skilled technical work to complete the operation, and the specificity is strong; meanwhile, in the process of assembling and screwing, the precision of the accurate assembling force cannot be copied and adjusted because the assembling is purely manual. The quality of assembly, maintenance and the like cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome among the prior art because it is purely by manual, can't duplicate the not enough of precision has been adjusted to accurate assembly dynamics, provide a screw up a translation lifting and drop rotating mechanism.

A tightening shaft translation lifting and rotating mechanism comprising:

the rotating shaft is provided with a longitudinal moving mechanism, the top of the longitudinal moving mechanism is provided with a positioning fixing plate, and the positioning fixing plate is provided with a transverse translation mechanism; the top of the transverse translation mechanism is provided with a translation plate;

screwing a shaft lifting plate;

the output end of the lifting cylinder penetrates through the tightening shaft lifting plate to be fixedly connected with the translation plate;

the tightening shaft is provided with a tightening shaft fixing plate, and the tightening shaft fixing plates are arranged at two ends of the tightening shaft lifting plate through a fine adjustment mechanism; the output end of the tightening shaft is provided with a sleeve.

Furthermore, a limiting central plate and a workpiece lifting frame are arranged at the central position of the tightening shaft lifting plate, and the workpiece lifting frame is positioned at two ends of the limiting central plate; the workpiece lifting frame is provided with a positioning clamp.

Further, the longitudinal moving mechanism comprises a first linear guide rail and a first linear sliding block; one of the first linear guide rail and the first linear sliding block is arranged at the top of the rotating shaft, and the other one of the first linear guide rail and the first linear sliding block is arranged at the top of the positioning fixing plate, so that the first linear sliding block slides on the first linear guide rail.

Further, the transverse translation mechanism comprises a second linear guide rail and a second linear sliding block;

the second linear guide rail is provided with a translation bracket, and the second linear sliding block is positioned at the top of the positioning fixing plate; the second linear guide rail moves transversely on the second linear slide block.

Furthermore, both ends of the translation support are provided with sliding block stop plates.

Further, the fine adjustment mechanism comprises a third linear guide rail and a third linear sliding block;

one of the third linear guide rail and the third linear slide block is arranged on the tightening shaft fixing plate, and the other is arranged on the tightening shaft lifting plate, so that the third linear slide block slides on the third linear guide rail.

Further, the tightening shaft is provided with an extension rod.

Further, the tightening shaft lifting plate is provided with a lifting optical axis, and the lifting optical axis penetrates through the tightening shaft fixing plate and is in sliding connection with the tightening shaft fixing plate.

Compared with the prior art, the utility model discloses the beneficial effect who reaches: the utility model discloses an utilize the electrical control system and the operation of manual calibration simultaneously, the effectual during operation that has reduced consumes. During assembly, a rotatable multi-shaft screwing tool is adopted, so that the utility model can complete the assembly process of uniformly screwing bolts aiming at the bottom of the same carriage, and ensure that the assembly planes are simultaneously attached; during construction, the error value of the torque is extremely small, and the safety performance of the urban rail is guaranteed.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a left side sectional view of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. screwing a shaft; 2. a translation support; 3. a slider blocking plate; 4. a lower layer handle; 5. a polyurethane rubber ring; 6. an upper layer handle; 7. a lifting cylinder; 8. a workpiece lifting frame; 9. positioning clips; 10. a coupling housing; 11. an output head; 12. an extension pole; 13. a sleeve; 14. lifting the optical axis; 15. positioning the fixing plate; 16. a translation plate; 17. screwing a shaft lifting plate; 18. tightening a shaft fixing plate; 19. a limiting central plate; 20. a rotating shaft housing; 21. a rotating shaft; b1, round nut; b2, tapered roller bearing; b3, a first linear guide rail; b4, a first linear slide block; b5, a second linear guide rail; b6, a third linear guide; b7, a third linear slide block; b8, a linear bearing, B9 and a second linear slider.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1-3, a translational lifting and rotating mechanism for a tightening shaft is disclosed, comprising:

the device comprises a rotating shaft 21, wherein the rotating shaft 21 is provided with a longitudinal moving mechanism, the top of the longitudinal moving mechanism is provided with a positioning fixing plate 15, and the positioning fixing plate 15 is provided with a transverse translation mechanism; the top of the transverse translation mechanism is provided with a translation plate 16;

the rotating mode of the rotating shaft 21 is driven by a motor, and the rotation of the rotating shaft 21 drives the whole tightening shaft to translate, lift and rotate the rotating mechanism; the rotating shaft 21 is sleeved with a rotating shaft housing 20, the rotating shaft housing 20 and the rotating shaft 21 are directly provided with a tapered roller bearing B2, and the bottom of the rotating shaft 21 is sleeved with a round nut B1.

A tightening shaft lifting plate 17;

the output end of the lifting cylinder 7 passes through the tightening shaft lifting plate 17 and is fixedly connected with the translation plate 16;

the lifting cylinder 7 is used for sleeving the nut into the sleeve 13 by lifting the lifting cylinder 7 when the sleeve 13 on the tightening shaft 1 is aligned with the nut to be tightened or disassembled; the specific ascending process is as follows: the output end of the lifting cylinder 7 is extended, so that the cylinder body of the lifting cylinder 7 and the tightening shaft lifting plate 17 are lifted, and the fine adjustment mechanism connected to the tightening shaft lifting plate 17 and the tightening shaft 1 are lifted. And a polyurethane rubber ring 5 is arranged at the output end of the further lifting cylinder 7, so that the buffering is reduced.

The tightening shaft 1 is provided with tightening shaft fixing plates 18, and the tightening shaft fixing plates 18 are arranged at two ends of the tightening shaft lifting plate 17 through a fine adjustment mechanism; the output end of the tightening shaft 1 is provided with a sleeve 13.

As shown in fig. 1 to 3, in the present embodiment, a limit central plate 19 and a workpiece holding frame 8 are provided at a central position of the tightening shaft lifting plate 17, and the workpiece holding frame 8 is located at both ends of the limit central plate 19; the workpiece lifting frame 8 is provided with a positioning clamp 9; the locating clamp 9 is used for lifting a workpiece, and the locating central plate 19 is used for conveniently aligning the position of the workpiece relative to the tightening shaft 1 and facilitating the tightening and the disassembly.

As shown in fig. 1 to 3, the longitudinal moving mechanism in the present embodiment includes a first linear guide B3 and a first linear slider B4; one of the first linear guide rail B3 and the first linear slider B4 is provided on the top of the rotary shaft 21, and the other is provided on the top of the positioning fixing plate 15, so that the first linear slider B4 slides on the first linear guide rail B3.

As shown in fig. 1-3, in the present embodiment, the lateral translation mechanism includes a second linear guide B5 and a second linear slider B9;

the second linear guide rail B5 is provided with a translation bracket 2, and the second linear slide block B9 is positioned at the top of the positioning fixing plate 15; the second linear guide B5 moves laterally on the second linear slider B9.

As shown in fig. 1-3, the two ends of the translation bracket 2 are provided with the slider blocking plates 3, so as to limit the moving range of the second linear guide rail B5 in the second linear slider B9 and prevent derailment.

As shown in fig. 1-3, the fine adjustment mechanism includes a third linear guide B6 and a third linear slider B7;

one of the third linear guide rail B6 and the third linear slide B7 is provided on the tightening shaft fixing plate 18, and the other is provided on the tightening shaft lifting plate 17, so that the third linear slide B7 slides on the third linear guide rail B6;

the fine adjustment mechanism has the function that when the transverse translation mechanism and the longitudinal movement mechanism are in a well adjusted state, the fine adjustment is carried out through the fine adjustment mechanism, so that the sleeve 13 is more accurately sleeved with the workpiece.

As shown in fig. 1-3, the tightening shaft 1 is provided with an extension rod 12, the length of the extension rod 12 is adopted according to the working environment, and the tightening shaft 1 is connected with the extension rod 12 through a coupler.

As shown in fig. 1-3, the tightening shaft lifting plate 17 is provided with a lifting optical axis 14, the lifting optical axis 14 penetrates through the tightening shaft fixing plate 18 and is slidably connected with the tightening shaft fixing plate 18, and the tightening shaft 1 is vertically moved up and down by the action of the lifting optical axis 14.

As shown in fig. 3, the lower grip 4 is provided outside the lateral translation mechanism to facilitate the application of force during adjustment in the lateral direction. An upper layer handle 6 is arranged outside the longitudinal moving mechanism, so that force can be generated when the longitudinal moving mechanism is adjusted.

The utility model discloses an utilize the electrical control system and the operation of manual calibration simultaneously, the effectual during operation that has reduced consumes. During assembly, a rotatable multi-shaft screwing tool is adopted, so that the utility model can complete the assembly process of uniformly screwing bolts aiming at the bottom of the same carriage, and ensure that the assembly planes are simultaneously attached; during construction, the error value of the torque is extremely small, and the safety performance of the urban rail is guaranteed.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a screw up a translation lifting and drop rotating mechanism which characterized by includes:

the device comprises a rotating shaft (21), wherein the rotating shaft (21) is provided with a longitudinal moving mechanism, the top of the longitudinal moving mechanism is provided with a positioning fixing plate (15), and the positioning fixing plate (15) is provided with a transverse translation mechanism; the top of the transverse translation mechanism is provided with a translation plate (16);

a tightening shaft lifting plate (17);

the output end of the lifting cylinder (7) penetrates through the tightening shaft lifting plate (17) to be fixedly connected with the translation plate (16);

the tightening shaft (1) is provided with a tightening shaft fixing plate (18), and the tightening shaft fixing plates (18) are arranged at two ends of the tightening shaft lifting plate (17) through a fine adjustment mechanism; the output end of the tightening shaft (1) is provided with a sleeve (13).

2. The tightening shaft translation lifting and rotating mechanism according to claim 1, wherein a limit central plate (19) and a workpiece lifting frame (8) are arranged at the central position of the tightening shaft lifting plate (17), and the workpiece lifting frame (8) is positioned at two ends of the limit central plate (19); the workpiece lifting frame (8) is provided with a positioning clamp (9).

3. The tightening shaft translational lifting and rotating mechanism according to claim 1, wherein the longitudinal movement mechanism comprises a first linear guide (B3) and a first linear slider (B4); one of the first linear guide rail (B3) and the first linear slider (B4) is arranged on the top of the rotating shaft (21), and the other is arranged on the top of the positioning fixing plate (15), so that the first linear slider (B4) slides on the first linear guide rail (B3).

4. The tightening shaft translational lifting and rotating mechanism according to claim 1, wherein the lateral translation mechanism comprises a second linear guide (B5) and a second linear slider (B9);

the second linear guide rail (B5) is provided with a translation bracket (2), and the second linear slide block (B9) is positioned at the top of the positioning fixing plate (15); the second linear guide (B5) moves laterally on the second linear slider (B9).

5. The tightening shaft translational lifting and rotating mechanism according to claim 4, wherein the two ends of the translational support (2) are provided with a sliding block stop plate (3).

6. The tightening shaft translational lifting and rotating mechanism according to claim 1, wherein the fine adjustment mechanism comprises a third linear guide (B6) and a third linear slider (B7);

one of the third linear guide rail (B6) and the third linear slider (B7) is provided on the tightening shaft fixing plate (18), and the other is provided on the tightening shaft lifting plate (17), so that the third linear slider (B7) slides on the third linear guide rail (B6).

7. The tightening shaft translational lifting rotation mechanism according to claim 1, characterized in that the tightening shaft (1) is provided with an extension rod (12).

8. The tightening shaft translational lifting and rotating mechanism according to claim 1, wherein the tightening shaft lifting plate (17) is provided with a lifting optical axis (14), and the lifting optical axis (14) penetrates through the tightening shaft fixing plate (18) and is connected with the tightening shaft fixing plate (18) in a sliding manner.