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Concrete pump

A concrete pump and pump casing technology, applied in the field of construction machinery, can solve the problems of high cost, complex structure, and inability to transport concrete, etc., and achieve the effect of low cost and simple structure

Inactive Publication Date: 2004-01-21
冷召军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mortar pump has a simple structure and low cost, and is suitable for use in construction of buildings below eight floors, but it cannot transport concrete. However, the existing high-rise building concrete supply pump has a complex structure and high cost, and is not suitable for small and medium-sized enterprises in the construction of low-rise buildings. use

Method used

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Embodiment Construction

[0011] Referring to the accompanying drawings, it includes a pump body 11 near the pulley side, a pump shaft 12, a pump casing 2 of the impeller, an impeller 3, a water seal body 5, etc., and the pump shaft 12 is fixed in the pump body 11 near the pulley side through a bearing 10, A bearing cover 9 is arranged outside the bearing 10, one end of the pump shaft 12 is connected to the pulley 13, and the other end is connected to the impeller 3; The chamber where the impeller 3 works. The shape of the chamber matches the shape of the impeller 3. One side of the chamber protrudes in the center and the surrounding is flat; at the same time, the water seal 5 is fixed to the pump body 11 near the pulley side. A water seal inspection port 8 is set on the body 11, a water seal rubber pad 6 and a water seal cover 7 are set between the water seal body and the pump shaft; the gap between the impeller 3 and the pump casing 2 of the impeller is greater than 3 mm; this can ensure that the norm...

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Abstract

The concrete pump for conveying concrete in building construction has vane wheel with lugs at the center of two sides and arched casing. The casing and water seal body are connected into one integral to form vane wheel cavity in the shape matching the vane wheel. The pump can lift concrete to height up to 18 m, has simple structure and low cost, and is suitable for use for construction of multiple-storey building.

Description

technical field [0001] The invention relates to a construction machine, in particular to a pump for conveying concrete in construction. Background technique [0002] The 99222241 utility model patent discloses a mortar pump, which is composed of a pump body, a pump shaft, a pump casing, an impeller, a water seal, etc., and can realize a mortar lift of more than 20 meters. The mortar pump has a simple structure and low cost, and is suitable for use in construction of buildings below eight floors, but it cannot transport concrete. However, the existing high-rise building concrete supply pump has a complex structure and high cost, and is not suitable for small and medium-sized enterprises in the construction of low-rise buildings. use. Contents of the invention [0003] The purpose of the present invention is to overcome the above defects and provide a concrete supply pump with simple structure and low cost. [0004] The present invention is realized in this way, it compris...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D7/04
Inventor 冷召军
Owner 冷召军