CN215919714U

CN215919714U - Clamping tool for steering engine installation cabin

Info

Publication number: CN215919714U
Application number: CN202122135169.6U
Authority: CN
Inventors: 雷声洪; 卢小玲
Original assignee: Chengdu Zhili Technology Development Co ltd
Current assignee: Chengdu Zhili Technology Development Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-03-01
Anticipated expiration: 2031-09-06

Abstract

The application provides a clamping tool for a steering engine mounting cabin, wherein the mounting cabin comprises a shell in a tubular structure, and a plurality of mounting plates are circumferentially mounted at the middle section of the shell; the mounting plate is provided with a through hole for connecting the rudder shaft; the circumferential side of the front end of the shell and the end surface of the rear end are provided with connecting holes. Centre gripping frock includes: the positioning block is arranged at the front end of the connecting rod; when the clamping device is used for clamping the shell, the front end of the connecting rod penetrates through the shell, and the shell is connected with the connecting rod through a connecting hole provided with a screw; the positioning block is positioned in the shell; positioning screws are arranged on the periphery of the positioning block corresponding to each mounting plate in a penetrating manner, and the heads of the positioning screws are arranged in the through holes in a matching manner; the front end of the positioning screw is pressed on the outer wall of the connecting rod. The deformation of the installation cabin can be prevented, the clamping is stable and reliable, and the clamping precision is high.

Description

Clamping tool for steering engine installation cabin

Technical Field

The utility model belongs to the technical field of steering engine machining, and particularly relates to a clamping tool for a steering engine installation cabin.

Background

In the field of guidance, steering engines are commonly used. The steering engine is usually of a streamline structure at the outer part and of a hollow structure at the inner part and used for installing electric elements and a control system, and meanwhile, in order to reduce the overall weight of the guidance aircraft, an installation cabin of the steering engine is usually of a thin-wall structure. Therefore, the installation cabin cannot be clamped by adopting the traditional excircle clamping mode during machining, and the deformation of the installation cabin is easily caused by the excircle clamping mode.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a clamping tool for a steering engine mounting cabin, which is used for clamping and fixing the mounting cabin from the inside, so that the deformation of the mounting cabin is prevented, the clamping is stable and reliable, and the clamping precision is higher.

In order to realize the purpose of the utility model, the following scheme is adopted:

a clamping tool for a steering engine mounting cabin comprises a shell in a tubular structure, wherein a plurality of mounting plates are circumferentially mounted at the middle section of the shell; the mounting plate is provided with a through hole for connecting the rudder shaft; the circumferential side of the front end of the shell and the end surface of the rear end are provided with connecting holes. Centre gripping frock includes: the positioning block is arranged at the front end of the connecting rod; when the clamping device is used for clamping the shell, the front end of the connecting rod penetrates through the shell, and the shell is connected with the connecting rod through a connecting hole provided with a screw; the positioning block is positioned in the shell; positioning screws are arranged on the periphery of the positioning block corresponding to each mounting plate in a penetrating manner, and the heads of the positioning screws are arranged in the through holes in a matching manner; the front end of the positioning screw is pressed on the outer wall of the connecting rod.

Furthermore, the outer wall of the connecting rod is provided with a platform corresponding to the position pressed by the positioning screw.

Furthermore, four sliding chutes are uniformly arranged at the front end of the connecting rod along the circumference, and the axes of the sliding chutes are parallel to the axis of the connecting rod; the inside corresponding spout of locating piece all is equipped with the guide arm, and the guide arm slides and locates in the spout.

Furthermore, the guide rod is of a round rod structure, and the cross section of the sliding groove is of a semicircular structure.

Furthermore, the front end of the connecting rod is provided with an end cover.

Furthermore, one end of the shell is provided with a conical hole, a connecting hole arranged on the circumferential side of the shell is communicated with the side wall of the conical hole, the connecting rod is provided with a conical table corresponding to the conical hole, and a screw penetrates through the connecting hole and is connected to the side wall of the conical table.

The utility model has the beneficial effects that:

1. the mounting cabin is clamped and fixed from the inside by the connecting shaft and the positioning block, so that the deformation of the mounting cabin is prevented.

2. Utilize toper platform and circular cone hole complex mode to fix a position between connecting rod and the casing, can improve the coaxial precision between the two, be of value to improving centre gripping positioning accuracy to guarantee processingquality.

3. The connecting rod is locked and fixed with the shell through the locking screw, and the positioning screw is matched with the through hole of the mounting plate, so that the connection precision and the connection stability between the positioning block and the connecting rod as well as the shell are improved.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 shows a configuration diagram of the present application.

Fig. 2 shows a connection relationship between the clamping tool and the inside of the installation cabin.

Fig. 3 shows a schematic view of the installation cabin after being connected with the clamping tool.

The labels in the figure are: the device comprises a shell body-1, a connecting hole-11, a mounting plate-2, a through hole-21, a connecting rod-3, a platform-31, a sliding groove-32, a positioning block-4, a guide rod-41, a positioning screw-5 and an end cover-6.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 3, a centre gripping frock for steering wheel installation cabin includes: connecting rod 3 and locating piece 4.

The installation cabin comprises a shell 1 in a tubular structure, and a plurality of installation plates 2 are arranged on the middle section of the shell 1 along the circumference; the mounting plate 2 is provided with a through hole 21 for connecting a rudder shaft; the circumferential side of the front end and the end face of the rear end of the housing 1 are provided with coupling holes 11.

Specifically, the positioning block 4 is arranged at the front end of the connecting rod 3.

When the clamping device is used for clamping the shell 1, the front end of the connecting rod 3 penetrates through the shell 1, and the shell 1 is connected with the connecting rod 3 through a connecting hole 11 provided with a screw. The positioning block 4 is located inside the housing 1.

The positioning screws 5 are arranged on the periphery of the positioning block 4 corresponding to each mounting plate 2 in a penetrating manner, the heads of the positioning screws 5 are arranged in the through holes 21 in a matching manner, and the mounting plates 2 are used for keeping the position of the positioning block 4 through the positioning screws 5.

The front end of the positioning screw 5 is pressed on the outer wall of the connecting rod 3 and used for fixing the positioning block 4 on the connecting rod 3. Meanwhile, the position of the positioning block 4 is further limited by the through hole 21 of the mounting plate 2, so that the mounting stability of the positioning block 4 is improved, and the connection stability between the shell 1 and the clamping tool is improved.

Preferably, as shown in fig. 1, the outer wall of the connecting rod 3 has a platform 31 corresponding to the position pressed by the positioning screw 5 to prevent the positioning screw 5 from sliding along the circumference of the connecting rod 3, thereby preventing the positioning block 4 from rotating.

Preferably, as shown in fig. 1, four sliding grooves 32 are uniformly arranged at the front end of the connecting rod 3 along the circumference, and the axes of the sliding grooves 32 are parallel to the axis of the connecting rod 3; the positioning block 4 is provided with a guide rod 41 corresponding to the sliding groove 32, the guide rod 41 is slidably disposed in the sliding groove 32, and the guide rod 41 is engaged with the sliding groove 32 to prevent the positioning block 4 from rotating relative to the connecting rod 3.

Further preferably, as shown in fig. 1, the guide rod 41 has a round rod structure, the cross section of the sliding groove 32 has a semicircular structure, so as to facilitate processing, and the semicircular sliding groove has no acute angle structure, so as to avoid local stress concentration of the connecting rod 3, thereby improving the structural strength of the connecting rod 3.

Preferably, as shown in fig. 1 and 2, an end cap 6 is provided at the front end of the connecting rod 3 for preventing the positioning block 4 from falling off, and the end cap 6 is locked by a screw.

Preferably, as shown in fig. 1 and 2, one end of the housing 1 has a conical hole, and the connection hole 11 disposed on the circumferential side of the housing 1 communicates with the sidewall of the conical hole, the connection rod 3 is provided with a conical frustum 33 corresponding to the conical hole, a screw passes through the connection hole 11 and is connected to the sidewall of the conical frustum 33 to realize the connection between the housing 1 and the connection rod 3, and the conical frustum 33 and the conical hole are used for matching to improve the coaxiality of the connection rod 3 and the housing 1, thereby ensuring the processing quality.

The specific implementation mode is as follows: when clamping, the connecting rod 3 is firstly inserted into the shell 1, and the shell 1 is connected to the connecting rod 3 by using a locking screw. Then, the positioning block 4 and the end cap 6 are mounted from the other end of the housing 1. The set screw 5 is inserted through the through hole 21 of the mounting plate 2, and the tip of the set screw 5 is brought into contact with the land 31 on the periphery of the connecting rod 3.

The foregoing is only a preferred embodiment of the present invention and is not intended to be exhaustive or to limit the utility model. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the utility model.

Claims

1. A clamping tool for a steering engine mounting cabin comprises a shell (1) in a tubular structure, wherein a plurality of mounting plates (2) are circumferentially mounted at the middle section of the shell (1); the mounting plate (2) is provided with a through hole (21) for connecting a rudder shaft; casing (1) the circumference side of front end and the terminal surface of rear end all are equipped with connecting hole (11), its characterized in that, and the centre gripping frock includes: the connecting rod (3) and the positioning block (4), wherein the positioning block (4) is arranged at the front end of the connecting rod (3); when the clamping device is used for clamping the shell (1), the front end of the connecting rod (3) penetrates through the shell (1), and the shell (1) is connected with the connecting rod (3) through a connecting hole (11) provided with a screw; the positioning block (4) is positioned inside the shell (1); positioning screws (5) penetrate through the peripheral sides of the positioning blocks (4) corresponding to the mounting plates (2), and the heads of the positioning screws (5) are matched and arranged in the through holes (21); the front end of the positioning screw (5) is pressed on the outer wall of the connecting rod (3).

2. The clamping tool for the steering engine mounting cabin is characterized in that the outer wall of the connecting rod (3) is provided with a platform (31) corresponding to the position pressed by the positioning screw (5).

3. The clamping tool for the steering engine mounting cabin according to claim 1, wherein four sliding grooves (32) are uniformly formed in the front end of the connecting rod (3) along the circumference, and the axes of the sliding grooves (32) are parallel to the axis of the connecting rod (3); the positioning block (4) is internally provided with guide rods (41) corresponding to the sliding grooves (32), and the guide rods (41) are arranged in the sliding grooves (32) in a sliding manner.

4. The clamping tool for the steering engine mounting cabin according to claim 3, wherein the guide rod (41) is of a round rod structure, and the cross section of the sliding groove (32) is of a semicircular structure.

5. The clamping tool for the steering engine mounting cabin according to claim 1, wherein an end cover (6) is arranged at the front end of the connecting rod (3).

6. The clamping tool for the steering engine mounting cabin is characterized in that one end of the shell (1) is provided with a conical hole, a connecting hole (11) formed in the circumferential side of the shell (1) is communicated with the side wall of the conical hole, the connecting rod (3) is provided with a conical table (33) corresponding to the conical hole, and a locking screw penetrates through the connecting hole (11) and is connected to the side wall of the conical table (33).