CN215748876U

CN215748876U - Flexible fastening device of retractable

Info

Publication number: CN215748876U
Application number: CN202121141161.4U
Authority: CN
Inventors: 郭洪硕; 郑晓通; 赵建; 邵广坤; 董景方; 李征; 施志领
Original assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-02-08
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a telescopic flexible fastening device, which relates to the technical field of bolt fastening equipment for high-place operation in building construction. The utility model has the beneficial effects that: the device is optimized aiming at the place where a common wrench cannot be used at the joint of a high place and a narrow space, and the flexible linkage shaft is adopted for fixing the fastening bolt, so that the fastening bolt fixing efficiency in the narrow space is simply and effectively improved; the universal driving shaft can change the bending angle of the universal driving shaft according to the space angle of the bolt, is flexible to operate, and solves the problem that the bolt is inconvenient to fix in high and narrow spaces.

Description

Flexible fastening device of retractable

Technical Field

The utility model relates to the technical field of bolt fastening equipment for high-place operation in building construction, in particular to a telescopic flexible fastening device.

Background

Most of work of high-place operation at the construction site at the present stage is formed in one step, effective fixing measures are lacked in the fastening of fixing bolts, the narrow space or the high-place space are not suitable for personnel operation, common tools such as a wrench are limited in operation, so that part of fastening bolts are not firmly fixed, and the fastening bolts are easy to fall off, thereby causing other safety accidents.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the present invention provides a retractable flexible fastening device.

The technical scheme includes that the device comprises a support arm, a bendable linkage shaft arranged at the top of the support arm and a nut sleeve arranged at the top end of the linkage shaft, a cavity is arranged inside the support arm, a driving motor is arranged in the cavity, an output shaft of the driving motor is fixedly connected with the linkage shaft in a coaxial mode, and a control switch is arranged on the support arm.

The upper portion of the supporting arm is provided with a telescopic rod, the top of the telescopic rod is provided with a bearing, the outer ring of the bearing is fixedly connected with the top end of the telescopic rod, and the inner ring of the bearing is fixedly connected with the output shaft of the driving motor.

The universal driving shaft is formed by sequentially connecting a plurality of connecting pieces end to end, each connecting piece comprises a spherical portion and a groove portion fixedly arranged at the top of the spherical portion, and the spherical portion of one connecting piece is connected with the groove portion of the adjacent connecting piece in a spherical hinge mode. The universal driving shaft can change the bending angle of the universal driving shaft according to the space angle of the bolt, and the operation is flexible.

The top of universal driving shaft sets up the connecting rod, nut sleeve one end is seted up the spread groove, the connecting rod with nut sleeve's spread groove cup joints. The connecting rod is connected with the nut sleeve in a magnetic attraction manner; the specification of the nut sleeve can be changed according to the type of the bolt, the nut sleeve is convenient to change, and the construction efficiency is improved.

The technical scheme provided by the embodiment of the utility model has the following beneficial effects: the device is optimized aiming at the place where a common wrench cannot be used at the joint of a high place and a narrow space, and the flexible linkage shaft is adopted for fixing the fastening bolt, so that the fastening bolt fixing efficiency in the narrow space is simply and effectively improved; the connecting rod is connected with the nut sleeve in a magnetic suction mode, the specification of the nut sleeve can be changed according to the type of the bolt, the change is convenient, and the construction efficiency is improved; the universal driving shaft can change the bending angle of the universal driving shaft according to the space angle of the bolt, is flexible to operate, and solves the problem that the bolt is inconvenient to fix in high and narrow spaces; the telescopic link on support arm upper portion can be according to the high height-adjusting height by oneself of bolt to avoid the staff to ascend a height the operation, ensure constructor's construction safety.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a driving motor and a bearing according to an embodiment of the present invention.

Wherein the reference numerals are: 1. a support arm; 2. a linkage shaft; 3. a nut socket; 4. a drive motor; 5. a bearing; 201. a spherical portion; 202. a groove part; 6. a connecting rod; 7. connecting grooves; 8. and controlling the switch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the utility model and are not intended to be limiting.

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model. 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 utility model, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the utility model, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1

Referring to fig. 1 to 2, the utility model provides a telescopic flexible fastening device, which comprises a support arm 1, a bendable linkage shaft 2 arranged at the top of the support arm 1, and a nut sleeve 3 arranged at the top end of the linkage shaft 2, wherein a cavity is arranged inside the support arm 1, a driving motor 4 is arranged in the cavity, an output shaft of the driving motor 4 is coaxially and fixedly connected with the linkage shaft 2, and a control switch 8 is arranged on the support arm 1.

The upper portion of support arm 1 at place sets up to the telescopic link, and the top of telescopic link sets up bearing 5, and bearing 5's outer lane and the top fixed connection of telescopic link, bearing 5's inner circle and driving motor 4's output shaft fixed connection.

The universal driving shaft 2 is formed by sequentially connecting a plurality of connecting pieces end to end, each connecting piece comprises a spherical portion 201 and a groove portion 202 fixedly arranged at the top of the spherical portion 201, and the spherical portion 201 of one connecting piece is in spherical hinge connection with the groove portion 202 of the adjacent connecting piece. The universal driving shaft 2 can change the bending angle of the universal driving shaft according to the space angle of the bolt, and is flexible to operate.

The top of universal driving shaft 2 sets up connecting rod 6, and nut sleeve 3 one end is seted up spread groove 7, and connecting rod 6 cup joints with nut sleeve 3's spread groove 7. The connecting rod 6 is connected with the nut sleeve 3 in a magnetic attraction manner; the specification of the nut sleeve 3 can be changed according to the model of the bolt, the replacement is convenient, and the construction efficiency is improved.

When the universal joint device is used, firstly, the bending degree of the linkage shaft 2 is adjusted according to the space angle of the bolt, the proper nut sleeve 3 is sleeved on the connecting rod 6 at the top end of the linkage shaft 2, then the telescopic rod is stretched, the nut sleeve 3 is lifted to the proper height, the control switch 8 is pressed down, the driving motor 4 is started, and the bolt can be fastened.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a flexible fastener of retractable, its characterized in that includes support arm (1), sets up flexible universal driving shaft (2) and nut sleeve (3) of setting on universal driving shaft (2) top at support arm (1) top, and the inside of support arm (1) sets up the cavity, be provided with driving motor (4) in the cavity, the output shaft and the coaxial fixed connection of universal driving shaft (2) of driving motor (4), be provided with control switch (8) on support arm (1).

2. The retractable flexible fastening device according to claim 1, wherein the upper portion of the supporting arm (1) is a retractable rod, the top of the retractable rod is provided with a bearing (5), the outer ring of the bearing (5) is fixedly connected with the top end of the retractable rod, and the inner ring of the bearing (5) is fixedly connected with the output shaft of the driving motor (4).

3. The retractable flexible fastening device as claimed in claim 1, wherein the linkage shaft (2) is formed by connecting a plurality of connecting members end to end in sequence, the connecting members comprise spherical portions (201) and groove portions (202) fixedly arranged at the tops of the spherical portions (201), and the spherical portion (201) of one connecting member is ball-hinged to the groove portion (202) of the adjacent connecting member.

4. The retractable flexible fastening device according to claim 1, wherein a connecting rod (6) is disposed at the top end of the linkage shaft (2), a connecting groove (7) is formed at one end of the nut sleeve (3), and the connecting rod (6) is sleeved with the connecting groove (7) of the nut sleeve (3).