Short machine body type electric hydraulic tool
A hydraulic tool and fuselage technology, which is applied in the field of short-body electric hydraulic tools, can solve the problems of large size and long fuselage, and achieve the effect of convenient operation and shortened length
Pending Publication Date: 2021-05-14
HANGZHOU OUDUN ELECTROMECHANICAL
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Problems solved by technology
[0004] In order to overcome the problems of long fuselage and large volume of the existing one-piece hand-held electric hydraulic tool, the present invention provides a short-body electric hydraulic tool
Method used
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Embodiment Construction
[0033] Such as Figure 1 to Figure 12 As shown, the short-body electrohydraulic tool provided in this embodiment includes a base assembly 10 , a pump body assembly 20 , an oil tank 30 , a motor assembly 40 , a piston shaft assembly 50 and a working head assembly 60 . The base assembly 10 includes an oil cylinder 1 and an assembly body 2 connected to the oil inlet end of the oil cylinder 1. The assembly body 2 has a motor mounting hole 21 and a pump body assembly surface 22. The axis of the motor mounting hole 21 intersects the axis of the oil cylinder 1, and the pump body is assembled The surface 22 is formed at the end of the motor mounting hole 21 and a plurality of oil inlet holes 221 and at least one oil return hole communicating with the oil cylinder 1 are opened on the pump body assembly surface 22 . The pump body assembly 20 is connected to the pump body assembly surface 22 , and the oil pumped out by the pump body assembly 20 is transported into the rodless cavity 101 ...
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The invention provides a short machine body type electric hydraulic tool. The short machine body type electric hydraulic tool comprises a base body assembly, a pump body assembly, an oil tank, a motor assembly, a piston shaft assembly and a working head assembly, the base body assembly comprises an oil cylinder and an assembling body connected to the oil inlet end of the oil cylinder, a motor mounting hole and a pump body assembling face are formed in the assembling body, the axis of the motor mounting hole intersects with the axis of the oil cylinder, the pump body assembling face is formed at the end part of the motor mounting hole, a plurality of oil inlet holes and at least one oil return hole which communicate with the oil cylinder are formed in the pump body assembling face, the pump body assembly is connected to the pump body assembling face, oil liquid pumped out by the pump body assembly is conveyed into a rodless cavity of the oil cylinder through the plurality of oil inlet holes, the oil tank communicates with the pump body assembly and the at least one oil return hole separately, the motor assembly and the pump body assembly are oppositely arranged in the motor mounting hole and extend along one side of the base body assembly, the output end of the motor assembly is connected to the pump body assembly, the piston shaft assembly is arranged on the oil cylinder and reciprocates under the action of oil in the rodless cavity of the oil cylinder, and the working head assembly comprises a machine frame movable tool bit.
Description
technical field [0001] The invention designs a hydraulic tool, and in particular relates to a short body electric hydraulic tool. Background technique [0002] Electro-hydraulic tools are tools that convert the rotational mechanical energy of power machinery (such as internal combustion engines, electric motors) into hydraulic energy for energy output. They are widely used in concrete engineering construction, demolition construction, or important tools for emergency rescue. Most of the traditional electro-hydraulic devices are split, which includes a bulky and heavy hydraulic body and working head, which is not only very inconvenient to carry, but also difficult to work in a small space, especially in emergency and disaster relief situations. [0003] In order to solve this problem, an integrated hand-held electro-hydraulic tool has appeared on the market at present. Compared with the traditional split-type electro-hydraulic device, the volume and weight of this one-piece ...
Claims
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IPC IPC(8): F04B17/03F04B1/053F04B1/0404F15B13/02B23D29/00B25F5/00
CPCF04B17/03F04B1/053F04B1/0404F15B13/02F15B13/024B23D29/00B25F5/005
Inventor 王俊彭亚民董建华
Owner HANGZHOU OUDUN ELECTROMECHANICAL