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Door breaking device

A technology of telescopic rods and straight racks, applied in life-saving equipment, building rescue, etc., can solve the problems of low hammering accuracy, difficult sledgehammer, and low force, so as to improve the efficiency of demolition and prevent the flat shovel from rebounding Effect

Inactive Publication Date: 2018-11-20
湖北绿筑装配科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing methods of breaking the door mainly include: knocking open the door by human body, using a sledgehammer or a breaking hammer to break the door open. On the one hand, these ways of breaking the door are relatively weak and require multiple impacts to break the door; on the other hand, the sledgehammer is more difficult to hammer. Hitting the lock head, the hammering accuracy is not high

Method used

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Embodiment Construction

[0016] Such as Figure 1 to 4 As shown, a door breaking device includes a telescopic rod 3, a pry plate 4 is respectively hinged on both ends of the telescopic rod 3, a shaft sleeve 6 is fixedly connected to the telescopic rod 3, and a wheel box 7 is connected to one side of the shaft sleeve 6. A straight rack 5 is provided in the sleeve 6, and the two ends of the straight rack 5 are respectively fixedly connected with the flat shovel 52 and the hammer block 51. The wheel box 7 is provided with a rotating shaft 81 and a non-return mechanism 9, on the rotating shaft 81 A ratchet wheel 82 and a gear 8 meshing with the straight rack 5 are installed. The non-return mechanism 9 includes a spring and a pawl 91 connected with a shaft in the wheel box 7. The two ends of the spring abut against the pawl 91 and the wheel box respectively. 7 On the inner wall, one end of the pawl 91 is locked on the ratchet wheel 82.

[0017] The use method and working principle of the present invention ar...

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Abstract

The invention discloses a door breaking device which comprises a telescopic rod. The two ends of the telescopic rod are each hinged to a crow plate. A shaft sleeve is fixedly connected to the telescopic rod, a wheel box is connected to one side of the shaft sleeve, a spur rack is arranged in the shaft sleeve, the two ends of the spur rack are fixedly connected with a flat spade and a hammering block, a rotating shaft and a non-return mechanism are arranged in the wheel box, the rotating shaft is provided with a ratchet wheel and a gear engaged with the spur rack, the non-return mechanism comprises a spring and a pawl in shaft connection with the interior of the wheel box, the two ends of the spring abut against the inner walls of the pawl and the wheel box, and one end of the pawl is clamped into the ratchet wheel. A lock pin can be rapidly and accurately spaded off, and rapid door breaking is achieved.

Description

Technical field [0001] The invention relates to a door breaking device. Background technique [0002] The existing door breaking methods mainly include: human body knocking open, using a sledgehammer or breaking hammer to smash the door open. On the one hand, these door breaking methods have low force and require multiple impacts to break the door; on the other hand, sledgehammers are more difficult to hammer. When hitting the lock, the hammering accuracy is not high. Summary of the invention [0003] The technical problem to be solved by the present invention is to provide a door breaking device, which can quickly and accurately break the lock pin to realize quick door breaking. [0004] In order to solve the above technical problems, the technical solution of the present invention is: [0005] A door breaking device includes a telescopic rod, a prying plate is hinged on both ends of the telescopic rod, a shaft sleeve is fixedly connected to the telescopic rod, a wheel box is conne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62B3/00
CPCA62B3/005
Inventor 胡勇
Owner 湖北绿筑装配科技有限公司
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