A rescue method of a hand-cranked three-fold bridge rescue device
A bridge-type and scissor-type technology, which is applied in the direction of lifting devices, lifting frames, etc., can solve problems such as labor-consuming and time-consuming, inconvenient local materials, and failure to meet expectations, and achieve convenient and simple operation, high practicability, and easy operation. Effect
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example 1
[0056] Example 1: if Figure 1 to Figure 18 In the rescue method of a hand-cranked three-fold bridge rescue device, the three-fold bridge rescue device used comprises a scissor hand jack J, a platform 3, a left telescopic plate 3-21, a right telescopic plate 3- 22. Telescopic rod A, bottom plate D,
[0057] The support top at the top of the scissors jack J is connected to the lower part of the middle section of the platform 3;
[0058] The scissor hand jack J and the platform 3 can rotate horizontally;
[0059] A bottom plate D is connected to the bottom of the scissor hand jack J;
[0060] The area of the bottom plate D is greater than the projected area of the platform 3;
[0061] There is a telescopic rod A between the platform 3 and the scissor hand jack J;
[0062] The bottom of the telescopic rod A is connected with the support top at the top of the scissor hand jack J;
[0063] The middle section of the platform 3 is horizontally connected with the top of the t...
example 2
[0078] Example 2: According to the rescue method of a hand-cranked three-fold bridge rescue device described in Example 1, the upper section inside the outer tube cavity 1-2 of the three-fold bridge rescue device has uniform parallel distribution The inner tooth-shaped protrusion 1-1, the lower part of the inner tooth-shaped protrusion 1-1 is a hollow straight pipe, or the inner tooth-shaped protrusion 1-1 is uniformly distributed in parallel throughout the outer casing cavity 1-2 1.
example 3
[0079] Example 3: According to the rescue method of a hand-operated three-fold bridge rescue device described in Example 1 or 2, the middle part of the "outer teeth" of the three-fold bridge rescue device has a positioning groove 7;
[0080] The outer sleeve body 1 also includes a safety buckle, and the safety buckle is installed on the side of the upper section of the outer sleeve body 1;
[0081] The safety clasp lock also includes a positioning thimble 6-1 and an elastic body 6. The elastic body 6 inside the safety clasp lock bounces the thimble 6-1 inward, and the inner tooth shape protrudes 1-1 and the outer tooth shape protrudes When 2-1 rotates and coincides, the thimble 6-1 snaps into the positioning groove 7;
[0082] In the case that a single wheel of the vehicle falls into a shallow pit and cannot be moved, first put the bottom plate D into the bottom of the pit to fix it, and then place the Figure 4-6 The shown telescopic pole A and platform 3 are installed on th...
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