Spring clip installation device
A technology for installation devices and guiding parts, which is applied to manufacturing tools, hand-held tools, etc., can solve problems such as hidden safety hazards, injury to operators, and easy breakage, so as to improve installation efficiency, reduce installation difficulty, and avoid warping deformation. Effect
Inactive Publication Date: 2012-05-16
XCMG CONSTR MACHINERY
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Problems solved by technology
[0008] With the development of crawler cranes in the direction of large tonnage, the dimensions and specifications of the required pulley 11, bearing 12 and spring clip 13 also increase accordingly, especially as the diameter and thickness of the spring clip 13 increase, the tension required to overcome its elasticity It has also multiplied. The existing snap ring pliers (all imported from Germany) have been difficult to achieve the tension required for installation, and the installation is very laborious.
Simultaneously, since the spring clip 13 is an open ring with very good elasticity, when the force acts on its two ends, it is easy to warp and deform, causing the spring clip 13 to fall off from the small cylindrical pin on the head of the snap ring pliers easily. , so as to bounce around and injure the operator
In addition, due to the small contact area of the small cylindrical pin on the circlip pliers, it is easy to break when it is stressed, and there is also a great potential safety hazard.
Taking a certain type of bearing as an example, the width of the groove reserved for installing the spring clip 13 is 6.3mm, the thickness of the spring clip 13 itself is 6mm, and the installation gap is 0.3mm. It can reach 3mm or more, which is much larger than the installation gap of 0.3mm. In the case where the warping and deformation of the spring clip 13 cannot be controlled, in order to accurately assemble the spring clip 13 in place, repeated tests are required to succeed.
[0009] From the above description, it is not difficult to find that when using the existing circlip pliers to install the spring clip, it is not only time-consuming and labor-intensive, which affects the installation efficiency of the pulley system, but also has potential safety hazards, which restricts the production efficiency and large-scale development trend of the crane.
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[0029] The core of the present invention is to provide a spring clip installation device for the pulley bearing, which can effectively reduce the installation difficulty of the spring clip, improve the installation efficiency of the spring clip, and ensure the personal safety of the installation personnel.
[0030] The orientation words such as inner and outer involved in this article are defined based on the central plane perpendicular to the axis when the pulley bearing is in a vertical state and its axis is parallel to the horizontal plane. The location of the center plane is Out. It should be understood that the orientation words used herein shall not limit the protection scope of this patent.
[0031] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0032] Please refer to Figure ...
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The invention discloses a spring clip installation device, which is used for installing a spring clip in the outer ring groove of a wheel bearing, and comprises a guide part arranged on the outer side of the wheel bearing, and a clamp ring used to push the spring clip to move towards the groove along the guide part, the spring clip surrounds the peripheral part of the guide part, and the inner diameter of the clamp ring is smaller than the outer diameter of the spring clip. During the installation of the spring clip, the clamp ring is clamped on the outer surface of the ring clip, so the larger buckling deformation of the spring clip can be avoided, the spring clip can be easily arranged in the groove, thus the installation difficulty of the spring clip can be effectively reduced, and the installation efficiency of the spring clip can be improved. In addition, the spring clip is sleeved on the outer wall of the guide part, so the falling off of the spring clip can be effectively avoided during the installation, the operators also can not be hurt during the installation, and the safety of the operator can be ensured.
Description
technical field [0001] The invention relates to the field of pulleys, in particular to a spring clamp installation device for pulley bearings. Background technique [0002] Crawler crane is a kind of lifting equipment, and the movable pulley is widely used on it. The movable pulley can play the effect of four or two lifting weights through the winding of the rope on it and the transformation of the magnification. Therefore, the head of the boom and the hook assembly There are many pulley assemblies arranged in the building, and they together form a movable pulley system. Through this system, a steel wire rope with a single rope pulling force of only tens of tons can be used to lift heavy objects weighing thousands of tons. [0003] Please refer to figure 1 , figure 1 It is a structural schematic diagram of a typical pulley assembly in the prior art. [0004] The pulley assembly consists of three parts: pulley 11, bearing 12, and spring clip 13. The bearing 12 is embedded ...
Claims
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IPC IPC(8): B25B27/20
CPCB25B27/205
Inventor宋威陈卫东章琢
OwnerXCMG CONSTR MACHINERY