CN107816482A - The fixing device and method of object on a kind of rotary screw - Google Patents

Abstract

The invention belongs to the technical field of screw rods, and discloses a device and method for fixing objects on a rotating screw rod. The clamping nut is vertically cut into two completely symmetrical pieces on the end surface of a cylinder, and the two pieces are fixed with screws to form a clamping nut; the clamping nut There is a locking socket on one side of the locking socket, screw holes are on both sides of the locking socket, and the central part of the clamping nut is a threaded hole. There is a cutting gap between the two parts of the clamping nut of the present invention, and they are tightly hugged on the screw rod, which produces completely radial clamping force, and can firmly fix the rotating object on the screw rod. The two parts of the clamping nut are completely symmetrically processed, and there will be no dynamic balance problems. The invention effectively solves the problem that the fixed objects on the rotating screw are easy to loosen. The clamping nut has a simple structure and is easy to process and produce. It eliminates engineering accidents caused by the loosening of fixed objects and improves the reliability of the entire mechanical device.

Description

Device and method for fixing objects on a rotating screw

technical field

The invention belongs to the field of screw technology, in particular to a device and method for fixing objects on a rotating screw.

Background technique

The traditional fixed object on the rotating screw is fixed by using a nut plus a flat washer and a spring washer or a tight nut. For the rotating screw to drive the object to rotate, due to the inertia generated by starting and stopping, the fixed object is easy to loosen. This is Since the screw and the nut are locked and fixed, the surfaces of the teeth are forced to generate friction to prevent rotation, but the thread has a helix angle, and when the screw rotates, a component force will be generated to loosen the fixed object. This makes the mechanical device a potential safety hazard, and once the fixed object falls off, unnecessary engineering losses will be caused.

To sum up, the problem in the prior art is that the fixed object is easy to loosen in the traditional fixing method.

Contents of the invention

Aiming at the problems existing in the prior art, the present invention provides a device and method for fixing objects on a rotating screw.

The present invention is realized in this way, a kind of fixing device of the object on the rotating screw rod, the fixing device of the object on the rotating screw rod is provided with:

rotating screw;

The rotating screw is connected with the clamping female thread;

The clamping nut includes: a locking socket, a screw hole, and a threaded hole;

One side of the clamping nut is provided with a locking socket, and both sides of the locking socket are screw holes; the central part of the clamping nut is a threaded hole consistent with the screw thread.

Further, the rotating screw is threadedly connected with the clamping nut and the nut.

Further, the two parts of the clamping nut are connected by screws, the nut is under the clamping nut, and a gasket is placed between the rotating object and the nut.

Another object of the present invention is to provide a method for fixing objects on the rotating screw of the device for fixing objects on the rotating screw. The method for fixing objects on the rotating screw includes:

Step 1, the rotating object on the screw rod is fixed with a nut and a washer, when installing the clamping nut;

Step 2, pre-tighten the two screws, tighten the clamping nut with the locking socket, and tighten the two screws.

Another object of the present invention is to provide a screw equipped with a fixing device for objects on said rotating screw.

There is a cutting gap between the two parts of the clamping nut of the present invention, and it is tightly hugged on the screw rod to generate completely radial force, which can firmly fix the rotating object on the screw rod. In addition, the two parts of the clamping nut are completely symmetrically processed, and there will be no dynamic balance problems.

The invention can effectively solve the problem that the fixed object on the rotating screw is easy to loosen. The clamping nut has a simple structure and is easy to process and produce. The fixed object can increase the firmness of the fixed matrix and avoid the situation that the fixed object falls off due to looseness. The engineering accidents caused by the loosening of fixed objects are eliminated, and the reliability of the entire mechanical device is improved.

Description of drawings

Fig. 1 is a schematic structural diagram of a fixing device for an object on a rotating screw provided by an embodiment of the present invention;

In the figure: 1. Rotating screw; 2. Screw; 3. Clamping nut; 3-1. Locking socket; 3-2. Screw hole; 3-3. Threaded hole; 4. Nut; 5. Gasket; 6. Rotate objects.

Fig. 2 and Fig. 3 are schematic diagrams of the clamping female structure provided by the embodiment of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

In the present invention, a fixing device clamping nut is installed on the screw rod so that the rotating object can be firmly fixed on the screw rod, which avoids the situation that the fixed object falls off due to looseness, prevents engineering accidents caused by the looseness of the fixed object, and improves the reliability of the entire mechanism.

The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in FIGS. 1-3 , the device for fixing an object on a rotating screw provided by an embodiment of the present invention includes: a rotating screw 1 , a screw 2 , a clamping nut 3 , a nut 4 , a washer 5 , and a rotating object 6 .

The rotating screw 1 is threadedly connected with the clamping nut 3 and the nut 4, the two parts of the clamping nut 3 are connected by the screw 2, the nut 4 is under the clamping nut 3, and a gasket 5 is placed between the rotating object 6 and the nut 4.

The clamping nut 3 includes: a locking socket 3-1, a screw hole 3-2, and a threaded hole 3-3.

The clamping nut 3 is vertically cut into two completely symmetrical pieces on the end face of the cylinder, and the two pieces are fixed with screws 2 to form a clamping nut; one side of the clamping nut 3 has a locking socket 3-1, and a locking socket 3 Both sides of -1 are screw holes 3-2, and the central part of the clamping nut 3 is a threaded hole 3-3.

The device and method for fixing an object on a rotating screw provided in an embodiment of the present invention include the following steps:

Step 1, the rotating object on the screw rod is fixed with a nut and a washer, when installing the clamping nut;

Step 2, pre-tighten the two screws, tighten the clamping nut with the locking socket, and tighten the two screws.

There is a cutting gap between the two parts of the clamping nut provided by the embodiment of the present invention, and it is tightly hugged on the screw rod to generate radial force. The profile of the thread fit is trapezoidal. When the standard nut is tightened, the profile of the profile is trapezoidal. The two waistline surfaces are pressed together on one side and subjected to axial force. Due to the helix angle of the tooth type, the circumferential force will be generated, and the vibration will easily make the nut loose. The clamping nut of the present invention is cut into two symmetrical parts from a complete nut. Part, the two parts will produce a cutting gap, the clamping nut generates radial force on the screw rod through two screws, the two waistline surfaces of the thread and the trapezoidal profile of the thread are simultaneously stressed, and the circumferential component force generated by the helix angle cancels each other , can hold the screw rod tightly, so the present invention can firmly fix the rotating object on the screw rod. In addition, the two parts of the clamping nut are completely symmetrically processed, and there will be no dynamic balance problems.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (5)

1. the fixing device of object on a kind of rotary screw, it is characterised in that the fixing device of object is set on the rotary screw It is equipped with：

Rotary screw；

The rotary screw is connected with clamping box thread；

The clamping main bag includes：Lock jack, screw hole, screwed hole；

The side for clamping mother is provided with locking jack, and the both sides for locking jack are screw hole；It is described to clamp female core For screwed hole.

2. the fixing device of object on rotary screw as claimed in claim 1, it is characterised in that the rotary screw is with clamping Mother connects with nut thread.

3. the fixing device of object on rotary screw as claimed in claim 1, it is characterised in that described to clamp female two parts It is connected by screw, nut is clamping female lower section, and pad is lined between rotating object and nut.

4. it is a kind of as claimed in claim 1 on rotary screw on the rotary screw of the fixing device of object object fixing means, Characterized in that, the fixing means of object includes on the rotary screw：

Step 1, rotating object is fixed with nut cushioning circle on screw rod, when installation clamps female；

Step 2, two screws of pretension, tightened using jack is locked by mother is clamped, tighten two screws.

A kind of 5. screw rod for being provided with the fixing device of object on rotary screw described in claims 1 to 3 any one.