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How to release jack stand?

Views:1     Author:Site Editor     Publish Time: 2020-12-08      Origin:Site

Jack is mechanical industry commonly used tools, can be used to lift heavy weights or impose greater force, in the construction, railway, medical, automotive maintenance is widely used in various fields, especially the people camping outdoors driving car, meets the breakdown maintenance or need fixed saloon car, need to use jack stand auxiliary jack for support.


What is a jack?

How we use a jack?

What is a jack stand?

How to use jack stands?

How to release jack stand?


What is a jack?

Jack is refers to the use of rigid jacking as a working device, through the top of the pedestal or the bottom of the supporting claw small stroke of lifting heavy lifting equipment. Jacks are mainly used in factories, mines, transportation and other departments as vehicles repair and other lifting, support and other work. Its structure is light and firm, flexible and reliable, one person can carry and operate.

jack stand

How we use a jack?

(1) Foundation of jack. The foundation of the jack should be smooth, solid and reliable. When setting jack on bottom face, should pad on road wood or other appropriate material, in order to enlarge stressed area.

(2) Jack placement. When the jack is placed on the soft ground, the wooden blocks should be put under the jack so as not to tilt and fall under the force. When the weight is raised, the support pad should be placed under the weight at any time, but the hand should not enter the danger zone. During the placement of the jack, the action line of the load center of gravity should be consistent with the axis of the jack. During the jacking, the risk of the jack being tilted or tilted due to the deviation of the jack foundation or the horizontal displacement of the load should be strictly prevented. To prevent the jack from sliding on contact with the metal or concrete surface of the weight, a hardwood block is used if necessary.

(3) Jacking operation. The jacking height of the jack shall not exceed the effective jacking path. When lifting large objects (such as girder) should be separated at both ends of the rise and fall, one end of the rise and fall, the other end must be solid, solid, put steady. Jacks shall not be used in excess of load.

Start the jack should not be rapid, should have a uniform pace of rise, drop slowly. When multiple jacks are used at the same time, operate simultaneously. After the operation of the jack, it shall be carefully checked to check the oil pressure and hidden trouble, and shall be maintained and placed in an appropriate place.

 

What is a jack stand?

Jack stand is used to support the object, usually used in conjunction with the hydraulic jack. When the Jack lifts the object, the security support is placed in the appropriate position for a long time to support.


How to use jack stands?

The jack stand should be placed under the weight after the weight is lifted by the jack. It should be noted that the position of the jack must be accurate and perpendicular to the weight (vehicle), otherwise it is easy to deform the weight.


How to release jack stand?

The jack stand is used to assist the jack to support the weight. How do you take the jack stand out from under the weight? To remove the jack holder, place the jack again under the weight, lift the weight with the jack, remove the jack stand, and slowly lower the jack.

 

We need to know not only how to put the jack stand in, but also how to take the jack stand out. Proper use of the jack stand can protect the jack stand and the object it supports.


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