SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that exists among the prior art, the utility model discloses a special electronic cutting means of railway signal cable. The tool is a special electric cutting tool which is specially developed according to the railway signal cable structure and the process requirements of cable construction operation procedures and is suitable for the sheath stripping requirement in various operations of the railway signal cable, and is suitable for stripping and cutting various sheaths of the signal cable in various construction operation environments of various railway signal cables.
In order to solve the problems, the utility model provides a special electric cutting tool for railway signal cables, which comprises a clamping fixture, a cutter, a cutting depth adjusting device and a power device;
the clamping fixture is detachably connected with the rack through a connecting frame and comprises a first fixture, a second fixture and a third fixture which are arranged at an angle of 120 degrees, wherein the first fixture and the second fixture adjust the relative positions of the first fixture and the second fixture through a lead screw driving device; the third clamp is directly arranged on the frame; the first clamp, the second clamp and the third clamp respectively comprise a guide wheel shaft, a shaft supporting seat and a guide wheel, the guide wheel is arranged on the guide wheel shaft, two orthogonal stations are arranged on the shaft supporting seat, the guide wheel shaft is arranged in two vertical directions, and the circular cutting and the longitudinal cutting of a cable are correspondingly realized;
the cutting knife is installed on the rack and connected with the power device and the cutting depth adjusting device, the power device is used for driving the cutting knife to rotate, and the cutting depth adjusting device is used for adjusting the height of the cutting knife.
As a further technical scheme, the screw driving device includes a driving member, a screw, a first slider and a second slider, wherein two sections of threads with different rotation directions are arranged on the screw, the first slider is in threaded fit with one section of the threads, and the second slider is in threaded fit with the other section of the threads.
As a further technical solution, the first clamp is mounted on the first slide block by a first connecting device, and the second clamp is mounted on the second slide block by a second connecting device.
The first connecting device and the second connecting device have the same structure and respectively comprise a first connecting plate and a second connecting plate, one end of the first connecting plate is hinged with the first sliding block or the second sliding block, the other end of the first connecting plate is hinged with the second connecting plate, one end of the second connecting plate is hinged with the side part of the frame, and the other end of the second connecting plate is provided with a shaft support seat of the first clamp or the second clamp.
As a further technical scheme, two first clamps are installed on the first connecting plate, two second clamps are installed on the second connecting plate, and the first connecting plate and the second connecting plate are bilaterally symmetrical relative to the center line of the cable.
As a further technical scheme, the shaft supporting seat is connected with the second connecting plate through a spring.
As a further technical scheme, the cutter adopts a metal slice and is provided with a protective cover, and the slice and the power system are connected and fixed in a compression joint mode.
As a further technical scheme, the cutting depth adjusting device adopts a spiral feeding mode and adopts manual adjustment.
The utility model has the advantages as follows:
1. the clamping fixture adopts a parallel connecting rod mode to clamp by three contact points, the root part of the connecting rod is arranged to be tightly attached to guide wheels, all the guide wheels are manually reversed one by one, and the connecting rod uses two parallel four-bar mechanisms to fit 120-degree guide wheel position tracks of cables with different diameters; the clamp realizes the self-locking characteristic of a clamping state by using the transmission of a screw pair, and realizes clamping and loosening by rotating a hand wheel; the guide wheel shaft and the shaft support structure are force closing mechanisms, the shaft support structure is provided with two orthogonal stations to realize circular cutting and longitudinal cutting of the cable, the guide wheel shaft can be manually pulled out and rotated, and the guide wheel shaft is reset by using a tension spring;
2. the utility model discloses a special electronic cutting means of railway signal cable has corresponding to synthesize and considers factors such as railway signal cable operation environment, operation nature and technological requirement, can realize cutting fast, the safety of various railway signal cable sheaths and peel off, and the sample is gone up to try effectually, reaches the utility model completely and expects.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention in a circular cutting state;
FIG. 2 is a front view of the present invention in a circular cutting state;
fig. 3 is a left side view of the present invention in a circular cutting state;
fig. 4 is a plan view of the present invention in a circular cutting state;
FIG. 5 is a schematic view of the clamp structure in the circular cutting state of the present invention;
fig. 6 is a schematic three-dimensional structure of the present invention in a longitudinal cutting state;
fig. 7 is a front view of the present invention in a slit state;
fig. 8 is a left side view of the present invention in a slit state;
fig. 9 is a top view of the present invention in a slit state;
fig. 10 is a schematic view of a three-dimensional mechanism of the present invention;
fig. 11 is a schematic structural view of a cutter portion of the present invention;
in the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.
In the figure: the cutting machine comprises a cable 1, a protective cover 2, a left clamp 3, a right clamp 4, a cutter 5, a lead screw 6, a driving piece 7, a left slide block 8, a right slide block 9, a connecting frame 10, a left driving rod 11, a left connecting plate 12, a left guide wheel 13, a right driving rod 14, a right connecting plate 15, a right guide wheel 16, a spring 17, a lower guide wheel 18, an installation block 19, a height adjusting device 20, a lower clamp 21 and a machine frame 22.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate correspondence with the upper, lower, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the present invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The terms "mounted", "connected" and "fixed" in the present invention should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As described in the background of the invention, the prior art has disadvantages, and in order to solve the above technical problems, the present application provides a special electric cutting tool for railway signal cables.
In a typical embodiment of the present application, as shown in fig. 1, the electric cutting tool for railway signal cables includes a clamping fixture, a cutting knife, a cutting depth adjusting device, a power device, and a battery.
The clamping fixture adopts a parallel connecting rod mode to clamp by three contact points, the root part of the connecting rod is arranged to be tightly attached to the guide wheels, all the guide wheels are manually reversed one by one, and the connecting rod uses two parallel four-bar mechanisms to fit the 120-degree guide wheel position tracks of cables with different diameters;
the clamp realizes the self-locking characteristic of a clamping state by using the transmission of a screw pair, and realizes clamping and loosening by rotating a hand wheel;
the guide wheel shaft and the shaft supporting structure are force closing mechanisms, the shaft supporting structure is provided with two orthogonal stations, circular cutting and longitudinal cutting of the cable are achieved, the guide wheel shaft can be pulled out manually and rotated, and the guide wheel shaft is reset by a tension spring.
Referring specifically to fig. 1, it includes a lower clamp 21, a left clamp 3, a right clamp 4 and a screw driving device; the lower clamp 21, the left clamp 3, the right clamp 4 and the lead screw driving device are all installed on a connecting frame 10, the connecting frame 10 is detachably connected with the rack 22, the direction of the clamp and the cutter is adjusted, the axis of the cutter is perpendicular to the axis of a cable during circular cutting, and the axis of the cutter is parallel to the axis of the cable during longitudinal cutting.
The screw rod driving device comprises a driving piece 7, a screw rod 6, a left slide block 8 and a right slide block 9; the screw rod 6 is provided with two threads with different rotation directions, wherein the left thread part is matched with the left clamp, and the right thread part is matched with the right sliding block, so that the left sliding block and the right sliding block move towards or away from each other; in this embodiment the drive member 7 is a hand wheel, which in other embodiments may be replaced by an electric motor or the like.
Left anchor clamps 3 include left actuating lever 11, left connecting plate 12, left guide pulley 13, the one end and the left slider of left actuating lever 11 are articulated together, the other one end of left actuating lever 11 is articulated together with the lower part of left connecting plate 12, the bottom of left connecting plate 12 is articulated together with the left side of frame, a guide pulley mount pad is installed on left connecting plate 12 upper portion, the guide pulley is installed on the mount pad, and link to each other through reset spring between mount pad and the left connecting plate 12. In this embodiment, the guide wheel mounting seats of the left clamp are two, and one left guide wheel is arranged on each guide wheel mounting seat, that is, two left guide wheels are arranged on the left side.
Right anchor clamps 4 include right actuating lever 14, right connecting plate 15, right guide pulley 16, the one end and the right slider of left side actuating lever 14 are together articulated, the other one end of right actuating lever 14 is together articulated with the lower part of right connecting plate 12, the bottom of right connecting plate 15 is together articulated with the right side of frame, the guide pulley mount pad is installed on right connecting plate 15 upper portion, right guide pulley 16 installs on the mount pad, and finely tune the position between the two through spring 17 between mount pad and the right connecting plate 15, realize the guide pulley to compressing tightly of cable. In this embodiment, the guide wheel mounting seats of the right clamp are provided in two, and one right guide wheel is provided on each guide wheel mounting seat, that is, two right guide wheels are provided on the right side.
The lower clamp 21 comprises a lower guide wheel 18 and a guide wheel mounting seat 19; the guide wheel mounting seat 19 is detachably or non-detachably mounted on the frame 10 through bolts, and the lower guide wheel 18 is mounted on the mounting seat 19. In this embodiment, the guide wheel mounting seats of the lower fixture are provided in two, and one lower guide wheel is provided on each guide wheel mounting seat, that is, two lower guide wheels are provided below.
The upper guide wheel, the left guide wheel and the right guide wheel are basically arranged at 120 degrees along the circumferential direction of the cable.
The guide wheel mounting seat and the guide wheel shaft in different directions are force closing mechanisms, the guide wheel mounting seat is provided with two orthogonal stations, the guide wheel can be mounted in two directions, and when the guide wheel shaft is parallel to the axis of the cable, the circular cutting of the cable is realized; when the axis of leading wheel axle and cable is perpendicular, realize the rip cutting of cable, the leading wheel axle can be pulled out manually and rotatory, uses the extension spring to reset.
Further, the cutter 5 is a metal slice and is provided with a protective cover, and the slice and the power system are connected and fixed in a compression joint mode; the cutting depth adjusting device adopts a spiral feeding mode and manual adjustment to realize the adjustment of the height of the cutter, the cutter 5 is installed below the rack, and the top of the cutter penetrates through the rack to realize the cutting of the cable. The center position of the cutter is connected with a power system through a connecting shaft, the power system drives the cutter to rotate, and a power device can adopt a combination of a direct current motor and a gear set and has a manual rotating speed adjusting function; the battery uses a direct current 12V lithium battery or a nickel-metal hydride battery and is provided with a charger.
The cutting depth adjusting device is arranged below the power system and can adjust the heights of the cutter 5 and the power system.
The specific method of use of the device is as follows;
as shown in fig. 1, 2, 3, 4 and 5, when performing circular cutting, firstly adjusting guide wheels of three fixtures to make wheel shafts of the guide wheels parallel to the wire wheel, then adjusting positions of a left fixture and a right fixture to place a cable in the three fixtures, and then clamping the cable by the three fixtures to drive the section to rotate for circular cutting;
as shown in fig. 6, 7, 8 and 9, when the longitudinal cutting is performed, the guide wheels of the three clamps are adjusted to make the wheel shafts of the guide wheels perpendicular to the wire wheel, then the positions of the left clamp and the right clamp are adjusted to place the cable in the three clamps, then the cable is clamped by the three clamps to push the cable to move along the longitudinal direction, and the slicing piece is rotated to perform the longitudinal cutting.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.