CN105458129A - Portable electric cable cutter - Google Patents

Abstract

The invention discloses a hand-held electric cable cutter, which comprises a shell and two transmission gears respectively driven by two parallel transmission shafts in the shell, wherein a support plate is connected with the shell and is provided with a pivot hinge position, the pivot hinge position is provided with two arc-shaped blades, the outline of each arc-shaped blade is an arc-shaped blade gear respectively meshed with the transmission gears, the side surfaces of the two opposite arc-shaped blades are provided with cutting edges on at least one arc-shaped blade, a worm wheel and a worm are also arranged in the shell, the input end of the worm extends out of the shell, and a drilling machine connected with the input end of the worm to drive the worm to rotate is arranged outside the shell. The portable electric cable cutter transmits the rotating torque of a drilling machine through the worm to drive the two transmission gears to rotate, the two arc-shaped blades hinged to the far end of the shell are driven to rotate relatively through the two transmission gears respectively, the cable clamped between the two arc-shaped blades is cut, the cutter can reset the two arc-shaped blades through the reverse rotation of an electric drill, the purpose of conveniently and efficiently cutting the cable can be achieved, and the portable electric cable cutter is used in the field of cable cutting devices.

Description

A portable electric cable cutter

technical field

The invention relates to the field of cable cutting devices, in particular to a portable electric cable cutter.

Background technique

Chinese patent CN1610202A discloses a cable cutter driven by an electric drill. It adopts a simple structure of a worm and a worm gear, the output is connected to a gear, and a structural device with a fixed blade and a movable blade is equipped at the same time. Compared with some traditional shears, it has the advantages of small size, convenient carrying and disassembly, and relatively stable performance. But this kind of cutter also has obvious disadvantages: when cutting, it uses the meshing rotation of a fan tooth and a gear, so that one blade moves relative to the other fixed blade to achieve the purpose of cutting. The speed is relatively slow and the work efficiency is low. Therefore, it is necessary to develop more convenient and efficient cable cutting tools.

Contents of the invention

The purpose of the present invention is to provide a portable electric cable cutter with more convenient use and higher efficiency.

The technical scheme that the present invention takes is:

A portable electric cable cutter, comprising a casing and two transmission gears respectively driven by two parallel transmission shafts in the casing, a support plate is connected with the casing, and a support plate is provided on the support plate which is far away from the two transmission gears. The pivot hinge position is hinged with two opposite arc-shaped blades. The outer contours of each arc-shaped blade are arc-shaped blade gears that are respectively meshed with the transmission gear. At least one of the arc-shaped blades is on two opposite sides The side of the arc-shaped blade is provided with a blade, and the housing is also provided with a worm gear respectively located on the two transmission shafts and a worm meshed with the two worm gears. The input end of the worm protrudes out of the housing, and the input end of the housing is provided A drilling rig that is connected to drive the worm to rotate.

As a further improvement of the technical solution of the present invention, the pivot hinge position is a pivot hinge hole located on the support plate, the two arc-shaped blades are provided with blade hinge holes, and there are hinge holes passing through the pivot hinge holes and the two blade hinge holes. Bolts make the two arc-shaped blades hinged and fixed on the support plate.

As a further improvement of the technical solution of the present invention, the two arc-shaped blades are provided with row-limiting locking positions at the tail ends of the blade gears.

As a further improvement of the technical solution of the present invention, a number of bolt holes are provided around the side of the housing, bearing end covers and end caps respectively located at both ends of the transmission shafts are provided on both sides of the housing, and the support plate is provided with clamping holes. The support plate fixing part between the end cap and the side of the housing, the end cap and the support plate fixing part are fixed on the side of the housing through several countersunk bolts threadedly connected with the bolt holes.

As a further improvement of the technical solution of the present invention, a support frame is fixedly installed on the bottom of the housing.

As a further improvement of the technical solution of the present invention, a sleeve hole and a stable handle with one end fixedly installed in the sleeve hole are also provided on the casing.

As a further improvement of the technical solution of the present invention, the end cap is provided with an end cap notch on one side of the arc-shaped blade, which can accommodate the passage of the blade gear.

As a further improvement of the technical solution of the present invention, radial bearings are provided between each transmission shaft and the casing, the end cap and the bearing end cover.

As a further improvement of the technical solution of the present invention, one of the end caps is provided with a horizontal arrow mark.

Beneficial effects of the present invention: the portable electric cable cutter transmits the rotational torque of the drilling rig through the worm, drives the two transmission gears to rotate, respectively drives the two arc-shaped blades hinged at the far end of the housing to rotate relatively through the two transmission gears, The cable clamped between the two arc-shaped blades is cut, and the cutter can realize the reset of the two arc-shaped blades by reversing the electric drill, which can achieve the purpose of cutting cables conveniently and efficiently.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

Fig. 2 is a schematic cross-sectional structure diagram of the casing part along the axes of the two transmission shafts according to the embodiment of the present invention;

Fig. 3 is the front view of the shell part structure in the embodiment of the present invention;

Fig. 4 is a schematic diagram of the specific structure of each part of the housing part in the embodiment of the present invention;

Fig. 5 is a top view of the sectional structure along the axis of the transmission shaft in the embodiment of the present invention;

Fig. 6 is a schematic diagram of the housing structure in the embodiment of the present invention.

detailed description

Referring to Figures 1 to 6, the present invention is a portable electric cable cutter, comprising a housing 1 and two transmission gears 12 respectively driven by two mutually parallel transmission shafts 11 in the housing 1, and the housing 1 A support plate 3 is connected to each other, and the support plate 3 is provided with a pivot hinged position far away from the two transmission gears 12. The pivot hinged position is hinged with two oppositely arranged arc blades 4, and the outlines of each arc blade 4 are respectively The arc-shaped blade gear 41 engaged by the transmission gear 12, at least one of the arc-shaped blades 4 is provided with a blade 42 on the sides of the two opposite arc-shaped blades 4, and the housing 1 is also provided with a blade located on the two transmission shafts 11 respectively. Worm wheel 14 and the worm screw 13 that all meshes with two worm wheels 14, the input end of worm screw 13 stretches out outside housing 1, and housing 1 is provided with the drilling rig 2 that links to each other with the input end of worm screw 13 to drive worm screw 13 to rotate.

This hand-held electric cable cutter transmits the rotational torque of the drilling machine 2 through the worm 13, drives the two transmission gears 12 to rotate, respectively drives the two arc-shaped blades 4 hinged at the far end of the housing 1 to rotate relatively through the two transmission gears 12, The cable clamped between the two arc-shaped blades 4 is cut, and the cutter can realize the reset of the two arc-shaped blades 4 by reversing the electric drill, which can achieve the purpose of cutting cables conveniently and efficiently.

As a preferred embodiment of the present invention, the pivot hinge position is a pivot hinge hole located on the support plate 3, and the two arc-shaped blades 4 are provided with blade hinge holes, and are provided with holes passing through the pivot hinge holes and the two blade hinge holes. The hinge bolts make the two arc-shaped blades 4 hinged and fixed on the support plate 3 .

As a preferred embodiment of the present invention, the two arc-shaped blades 4 are provided with row-limiting locking positions 43 at the tail ends of the blade gears 41 .

As a preferred embodiment of the present invention, a number of bolt holes are provided around the side of the housing 1, and the two sides of the housing 1 are provided with bearing end covers 5 and end caps 6 respectively located at both ends of the transmission shafts 11. A support plate 3 fixing part clamped between the end cap 6 and the side of the housing 1 is provided, and the end cap 6 and the fixing part of the support plate 3 are fixed on the side of the housing 1 through a number of countersunk bolts threadedly connected with the bolt holes.

As a preferred embodiment of the present invention, a support frame 7 is fixedly installed on the bottom of the housing 1 .

As a preferred embodiment of the present invention, the casing 1 is further provided with a casing hole 81 and a stabilizing handle 8 with one end fixedly installed in the casing hole 81 .

As a preferred embodiment of the present invention, the end cap 6 on one side of the arc-shaped blade 4 is provided with an end cap gap that can accommodate the blade gear 41 to pass through.

As a preferred embodiment of the present invention, radial bearings are provided between each transmission shaft 11 and the housing 1 , the end cap 6 and the bearing end cover 5 .

As a preferred embodiment of the present invention, one of the end caps 6 is provided with horizontal arrow marks.

One end of the support plate 3 of the cutter is even away from the side of the housing 1, which is used to hinge the ends of the two arc-shaped blades 4, and the other side is clamped on the housing by a sheet structure matching the outer contour of the housing 1. Between 1 side and end cap 6, it is used to reinforce support plate 3.

Both transmission shafts 11 are provided with a worm gear 14 and a transmission gear 12 meshing with the two blade gears 41 respectively, and the end caps 6 on the sides of the two arc-shaped blades 4 and the end caps located on the sides of the arc-shaped blades are respectively provided at both ends of the housing 1. 4 The bearing end cover 5 on the opposite side leans against the two ends of the transmission shaft 11 through the end cap 6 and the bearing end cover 5 .

The notch provided on the end cap 6 is suspended in the air, which is convenient for the blade gear 41 on the arc blade 4 to pass through.

The output end of the drilling machine 2 and the input end of the worm screw 13 are detachably connected, so that when the shearer is not in use, the drilling machine 2 and the main body of the shearer can be disassembled and placed separately, thereby making it easy to carry to the greatest extent.

The limit stop 43 is arranged on both sides of the tail end of the blade gear 41 on the arc blade 4. In the process of cutting the cable, after the cable is cut, if the drilling machine 2 drives the worm screw 13 to continue to rotate, until the two arc blades 4 After the limit stop 43 on the side collides with the position of the end cap 6, the stop limit is performed through the position of the end cap 6 to prevent the arc blade 4 from continuing to rotate and cause harm to the operator, thereby better ensuring the safety of the user.

The support frame 7 is arranged at the bottom of the casing 1, and a support device is also arranged at the bottom of the drilling rig 2, which can facilitate a large amount of cable cutting work after the shearer is fixed on the ground as a whole.

The stabilizing handle 8 can be arranged on any side of the casing 1 according to the actual situation of the shearing site, so that the operator can stably operate the shearer as a whole by holding the stabilizing handle 8 .

The setting of the arrow mark can be conveniently used by the operator as a reference object during the cutting process.

Of course, the present invention is not limited to the above-mentioned embodiments. Those skilled in the art can also make equivalent modifications or replacements without violating the spirit of the present invention. These equivalent modifications or replacements are all included in the claims of this application. within a limited range.

Claims (9)

1. a Portable electro-dynamic cable cutter, it is characterized in that: two travelling gears comprising housing and driven respectively by two power transmission shafts be parallel to each other in described housing, be connected with described housing and be provided with gripper shoe, described gripper shoe is provided with the pivot knuckles position away from two travelling gears, described pivot knuckles position is hinged with two cambered blades be oppositely arranged, the gabarit of each described cambered blade is the blade gear of the arc-shaped engaged with travelling gear respectively, cambered blade described in one of them is provided with blade in the side of two relative cambered blades, the worm gear laid respectively on two power transmission shafts and the worm screw all engaged with worm gear described in two is also provided with in described housing, the input of described worm screw stretches out outside housing, the rig being connected with the input of worm screw to drive worm screw to rotate is provided with outside described housing.

2. Portable electro-dynamic cable cutter according to claim 1, it is characterized in that: described pivot knuckles position is for being positioned at the pivot knuckles hole in gripper shoe, cambered blade described in two is provided with blade hinge hole, and the link bolt be provided with through pivot knuckles hole and two blade hinge holes makes two cambered blades hinged fixing on the supporting plate.

3. Portable electro-dynamic cable cutter according to claim 2, is characterized in that: cambered blade described in two is equipped with restricted driving screens at the tail end of blade gear.

4. according to the Portable electro-dynamic cable cutter in claims 1 to 3 described in any one, it is characterized in that: the side being looped around described housing is provided with some bolts hole, the both sides of described housing are provided with the bearing (ball) cover and end cap that lay respectively at each power transmission shaft two ends, described gripper shoe is provided with clamping gripper shoe fixed part between end cap and housing side, and described end cap and gripper shoe fixed part are fixed on the side of housing by some dormant bolts be threaded with bolt hole.

5. Portable electro-dynamic cable cutter according to claim 4, is characterized in that: the bottom of described housing is installed with bracing frame.

6. Portable electro-dynamic cable cutter according to claim 5, is characterized in that: described housing is also provided with collar aperture and one end and is fixedly mounted on stable handle in collar aperture.

7. Portable electro-dynamic cable cutter according to claim 4, is characterized in that: the side described end cap being positioned at cambered blade is provided with the end cap breach that can hold blade gear and pass through.

8. Portable electro-dynamic cable cutter according to claim 4, is characterized in that: each described power transmission shaft and housing, be equipped with journal bearing between end cap and bearing (ball) cover.

9. Portable electro-dynamic cable cutter according to claim 4, is characterized in that: wherein end cap described in is provided with the arrow mark of Horizontal identification.