CN215761055U

CN215761055U - Screw type locking device

Info

Publication number: CN215761055U
Application number: CN202121390223.5U
Authority: CN
Inventors: 唐圣金; 王俊提; 邓刚锋; 于传强; 孙晓艳; 郭君斌; 叶辉
Original assignee: Rocket Force University of Engineering of PLA
Current assignee: Rocket Force University of Engineering of PLA
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-02-08
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to the field of locks, in particular to a screw type locking device which comprises a cover plate, wherein the cover plate is hinged on a support, two screw mechanisms with the same structure are arranged on the cover plate in parallel, each screw mechanism comprises a bolt component and a limiting component, a motor support is arranged on the cover plate, a speed reducing motor is arranged on the motor support, the lower end of the speed reducing motor is connected with the bolt component, the limiting component is arranged on the cover plate and movably sleeved with the bolt component, and a pin seat matched with the bolt component is arranged on a lower cross rod of the support. The bolt subassembly includes screw rod, bearing frame, urceolus and bolt, the urceolus is installed in the lower extreme of bearing frame, the bolt activity sets up in the urceolus, and the thread bush is equipped with the screw rod, the upper end of screw rod is passed through the shaft coupling and is connected with gear motor output shaft. The device is convenient to use and high in reliability.

Description

Screw type locking device

Technical Field

The utility model relates to the field of locks, in particular to a screw type locking device.

Background

The cover plate is a working platform in an underground tunnel or a deep well and is used for standing, stepping and placing an operating instrument when an operator performs high-altitude operation. The apron is the horizontality when using, for saving space, reinforcing safety and convenience when not using, need to transfer the apron to the vertical state, is parallel with the wall, targets in place after being fixed in the wall.

When current apron is fixed perpendicularly, it is narrow and small through artifical manual bolt, but space in gallery or the deep well, be unfavorable for artifical manual fixed, moreover because the complexity of environment, when artifical manual through the bolt is fixed, the operation gimmick violence causes the not hard up or the dislocation of the deformation of apron and bolt easily, and then often needs the maintenance, influences the progress of work. Bolt formula locking is a common locking mode in industrial field, has convenient and fast locking technical effect. The existing fixing mode is that after the cover plate is put in place, a bolt on the cover plate is aligned with a bolt hole of a fixed seat on a wall body, and the bolt can be easily inserted into the bolt hole to complete fixing. However, because current work platform frequency of use is high, appears easily that the apron is transferred and is taken place to incline or the translation in the too big messenger's apron in clearance between apron round pin axle and the key seat, perhaps apron itself takes place to warp, causes bolt and bolt hole to adjust well not, and then the bolt is inserted not last, leads to the fault rate of machine higher, causes the delay of time and the reduction of efficiency.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model aims to provide a screw type locking device, which adopts screw transmission to realize locking of a bolt, is more convenient and humanized to use, and has low failure rate, high efficiency and high safety factor.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the screw type locking device comprises a cover plate, wherein the cover plate is hinged to a support, two screw mechanisms with the same structure are arranged on the cover plate in parallel, each screw mechanism comprises a bolt component and a limiting component, the limiting components are mounted on the cover plate, the bolt components are movably sleeved on the limiting components, and a pin seat is arranged on a lower cross rod of the support and matched with the bolt components.

Preferably, be provided with the motor support on the apron, be provided with gear motor on the motor support, the gear motor lower extreme is connected with the bolt subassembly.

Preferably, the bolt subassembly includes screw rod, bearing frame, urceolus and bolt, the urceolus is installed in the lower extreme of bearing frame, and is the cuboid structure, the bolt activity sets up in the urceolus, and the threaded sleeve is equipped with the screw rod, the upper end of screw rod is passed through the shaft coupling and is connected with gear motor output shaft.

Preferably, a bearing matched with the screw rod is arranged in the bearing seat, and a bearing cover is arranged on the upper end face of the bearing seat.

Preferably, the lower end of the bolt is provided with a limit rivet.

Preferably, the limiting assembly comprises a fixing block and a limiting part, the fixing block is mounted on the cover plate, the limiting part is mounted on the fixing block, and the limiting part is matched with the outer barrel.

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

(1) this device adopts the screw rod to drive the upper and lower removal of bolt and realizes locking, and factor of safety is higher, uses more convenient and fast.

(2) The U-shaped pipe is arranged on the back surface of the cover plate, can be lifted through the electric hoist, saves manpower, and is suitable for narrow and small operation places such as tunnels and deep wells.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

fig. 1 is a front view structural diagram of the present invention.

Fig. 2 is a side view structural diagram of the present invention.

FIG. 3 is a cross-sectional view of the latch assembly of the present invention.

FIG. 4 is a structural view of a U-shaped pipe of the present invention.

Fig. 5 is a circuit diagram of the present invention.

Wherein: 1. the novel bearing comprises a long pin shaft, a cover plate 2, a screw rod 3, a bearing 4, a bearing cover 5, a bearing seat 6, an outer cylinder 7, a limit rivet 8, a bolt 9, a limiting piece 10, a pin seat 11, a fixing block 12, a speed reducing motor 13, a coupler 14, a motor support 15, a sealing ring 16 and a U-shaped pipe 17.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b):

referring to the accompanying drawings 1-5, a screw type locking device comprises a cover plate 2, the cover plate 2 is hinged to a support through a long pin shaft 1, two screw rod mechanisms with the same structure are arranged on the cover plate 2 in parallel, each screw rod mechanism comprises a pin assembly and a limiting assembly, a motor support 15 is mounted on the cover plate 2 through screws, each motor support 15 is of an angle steel structure, a speed reducing motor 13 is mounted on each motor support 15 through screws, the lower end of each speed reducing motor 13 is connected with the pin assembly, the limiting assemblies are mounted on the cover plate 2 and movably sleeved with the pin assemblies to play a role in moving limiting, a pin seat 11 is mounted on a lower cross rod of the support through screws and matched with the pin assemblies, and screw type locking can be achieved.

The bolt subassembly includes screw rod 3, bearing frame 6, urceolus 7 and

bolt

9, 7 screws of urceolus are in installing in the lower extreme of bearing frame 6 to be provided with sealing washer 16, the activity of bolt 9 sets up in urceolus 7, the lower terminal surface of urceolus 7 is worn out to the lower extreme of bolt 9 to for the toper structure, threaded hole has been seted up in the bolt 9, threaded hole female connection has screw rod 3, the upper end of screw rod 3 passes through shaft coupling 14 and gear motor 13 output shaft.

And a bearing 4 matched with the screw rod 3 is arranged in the bearing seat 6, and a bearing cover 5 is arranged on the upper end surface of the bearing seat 6 through a screw and is provided with a sealing ring.

The lower end of the bolt 9 is provided with a limit rivet 8 which can prevent the screw rod 3 from rotating to be separated from the outer cylinder 7 and falling off.

The limiting component comprises a fixed block 12 and a limiting part 10, the limiting part 10 is installed on the fixed block 12 through a screw, the fixed block 12 is installed on the cover plate 2, the limiting part 10 is matched with the outer barrel 7, the outer barrel 7 is of a cuboid structure, and the screw rod 3 can be prevented from rotating integrally while the bolt component is driven to rotate.

The output shaft of the speed reducing motor 13 drives the coupler 14 to rotate, so as to drive the screw rod 3 to rotate, the bolt component does not rotate integrally under the limiting fixation of the limiting part 10 to the outer cylinder 7, and the bolt 9 arranged in the outer cylinder 7 moves up and down under the driving of the screw rod 3 to rotate, so as to realize the locking with the pin seat 11.

The U-shaped pipe 17 is installed through the shaft hole in the one side that the screw rod mechanism was kept away from to apron 2, hangs the electric hoist on the wall of a well support and ties on U-shaped pipe 17 through wire rope, lifts by crane apron 2, has avoided artifical locking waste time and energy, has better security and higher efficiency.

Fig. 5 is a circuit schematic of the present application.

The principle and the using process of the utility model are as follows:

during the use, the wire rope on the U-shaped pipe 17 is pulled to the electric hoist, lifts by crane apron 2 to vertical, and gear motor 13 passes through shaft coupling 14 and drives screw rod 3 and rotate, and screw rod 13 drives bolt 9 and moves down, accomplishes the locking in the lower extreme of bolt 9 inserts key seat 11.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a screw locking device, includes apron (2), apron (2) articulate on the support, its characterized in that: the novel support is characterized in that two screw rod mechanisms with the same structure are arranged on the cover plate (2) in parallel, each screw rod mechanism comprises a bolt component and a limiting component, the limiting components are installed on the cover plate (2), the bolt components are movably sleeved on the limiting components, and a pin seat (11) matched with the bolt components is arranged on the lower cross rod of the support.

2. The progressive cavity locking device of claim 1 wherein: the motor support (15) is arranged on the cover plate (2), the speed reducing motor (13) is arranged on the motor support (15), and the lower end of the speed reducing motor (13) is connected with the bolt component.

3. The progressive cavity locking device of claim 2 wherein: the bolt subassembly includes screw rod (3), bearing frame (6), urceolus (7) and bolt (9), install in the lower extreme of bearing frame (6) urceolus (7), and be the cuboid structure, bolt (9) activity sets up in urceolus (7), and the thread bush is equipped with screw rod (3), the upper end of screw rod (3) is passed through shaft coupling (14) and gear motor (13) output shaft.

4. The progressive cavity locking device of claim 3 wherein: and a bearing (4) matched with the screw rod (3) is arranged in the bearing seat (6), and a bearing cover (5) is arranged on the upper end face of the bearing seat (6).

5. The progressive cavity locking device of claim 3 wherein: and a limiting rivet (8) is arranged at the lower end of the bolt (9).

6. The progressive cavity locking device of claim 3 wherein: the limiting assembly comprises a fixing block (12) and a limiting piece (10), the fixing block (12) is installed on the cover plate (2), the limiting piece (10) is installed on the fixing block (12), and the limiting piece (10) is matched with the outer barrel (7).