CN112549163A

CN112549163A - Cutting device

Info

Publication number: CN112549163A
Application number: CN202011357493.6A
Authority: CN
Inventors: 张晨昕; 燕江腾; 邵芳; 李小伟; 崔豪; 马小军; 张金龙; 马慧斌
Original assignee: Guyuan Power Supply Co Of State Grid Ningxia Electric Power Co ltd
Current assignee: Guyuan Power Supply Co Of State Grid Ningxia Electric Power Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-03-26

Abstract

The application discloses cutting device for improve the efficiency of the used sealing rubber pad of cutting transformer, this application includes: the device comprises a measuring device, a cutting tool bit, a positioning device and an operating handle; the measuring device comprises a main ruler, a vernier and a measuring jaw, wherein the vernier is connected with the main ruler through a spring piece so that the vernier can be attached to the main ruler in a sliding manner, the main ruler is provided with scale values, the upper part of the vernier is provided with a fastening screw for fixing the vernier on the main ruler, the measuring jaw is connected with the vernier, and the measuring jaw is used for determining the cutting position; the cutting tool bit is arranged on one side of the measuring jaw close to the zero scale of the main scale; the positioning device is positioned at the zero scale position of the main scale; the operating handle is connected with the positioning device and used for fixing the positioning device.

Description

Cutting device

Technical Field

The application relates to the technical field of machining equipment, in particular to a cutting device.

Background

The transformer is used as the most main power equipment in a transformer substation, has a voltage conversion function, and in order to ensure that the transformer can run safely and stably, an oil-immersed transformer is mainly used at present, the body (winding and iron core) of the oil-immersed transformer is arranged in an oil tank filled with transformer oil, and the oil tank is welded by steel plates. The transformer bushing is a main insulation device outside the transformer box, the outgoing lines of the transformer winding must penetrate through the insulation bushing, so that the outgoing lines and the transformer shell are insulated, the outgoing lines are fixed, the insulation oil inside the bushing can leak due to the influences of maintenance, thermal expansion, cold contraction and the like, and if the insulation oil cannot be processed in time, the transformer is affected with damp in an insulation mode, and the insulation breakdown phenomenon of the transformer is caused.

The oil leakage treatment of the transformer bushing is generally divided into five links of oil drainage of a connecting oil filter, replacement of a sealing rubber pad, fastening of a bolt, oil stain cleaning and oil injection of the transformer, wherein the time and the specific gravity occupied by the replacement of the sealing rubber pad are the largest.

Disclosure of Invention

The embodiment of the application provides a cutting device, can improve the used sealing rubber pad's of cutting transformer efficiency, include:

the device comprises a measuring device, a cutting tool bit, a positioning device and an operating handle;

the measuring device comprises a main ruler, a vernier and a measuring jaw, wherein the vernier is connected with the main ruler through a spring piece so that the vernier can be attached to the main ruler in a sliding manner, the main ruler is provided with scale values, the upper part of the vernier is provided with a fastening screw for fixing the vernier on the main ruler, the measuring jaw is connected with the vernier, and the measuring jaw is used for determining the cutting position;

the cutting tool bit is arranged on one side of the measuring jaw close to the zero scale of the main scale;

the positioning device is positioned at the zero scale position of the main scale;

the operating handle is connected with the positioning device and used for fixing the positioning device.

Optionally, a fixing base is arranged at one end of the main scale with zero scale, and the size of the through hole in the fixing base is matched with that of the positioning device, so as to fix the positioning device passing through the fixing base.

Optionally, the positioning device comprises a screw rod and a positioning head, the positioning head is fixed at one end of the screw rod, a rod body of the screw rod is provided with threads, and the positioning head is used for marking an original point of a cutting position.

Optionally, the side wall of the through hole in the fixed base is provided with threads matched with the threads of the screw rod, so that the distance between the main scale and the cut object is adjusted, and the threaded rod is fixed.

Optionally, the connecting the operating handle and the positioning device includes:

the operating handle is provided with a concave hole, and the size of the concave hole is matched with that of the threaded rod of the positioning device, so that the operating handle is detachably connected with the threaded rod;

or the like, or, alternatively,

the operating handle and the threaded rod of the positioning device are in non-detachable connection.

Optionally, the cutting tip is made of high-speed alloy steel.

Optionally, the vernier is a digital display vernier, and is used for displaying a specific measurement value through an electronic display screen.

Optionally, a battery hole is formed in the back of the digital display cursor display screen.

Optionally, a limit buckle is arranged at the tail end of the other end of the main scale zero scale and used for preventing the vernier from sliding out of the main scale.

Optionally, the lower half part of the measuring jaw is a rotatable structure.

According to the technical scheme, the vernier for displaying the specific length and the measuring jaw for fixing the cutting tool bit are arranged on the measuring device, the positioning device is arranged at the zero point position of the measuring device, the positioning device serves as a supporting point when cutting is conducted, the vernier is provided with the fastening screw, and after the cutting length is determined, the vernier can not move any more, so that errors are generated, the measuring errors are reduced on the first aspect, and the cutting stability is improved on the second aspect.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a cutting device in the present application.

Detailed Description

The embodiment of the application provides a cutting device, can improve the efficiency of the used sealing rubber pad of cutting transformer.

The technical solutions in the present application will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, an embodiment of a cutting device in the present application includes:

the device comprises a measuring device 1, a cutting tool bit 2, a positioning device 3 and an operating handle 4; the measuring device comprises a main scale 101, a vernier 102 and a measuring claw 103, wherein the vernier 102 is connected with the main scale 101 through a spring piece 103 so that the vernier 102 can slide on the main scale 101, the main scale 101 is provided with scale values, the upper part of the vernier 102 is provided with a fastening screw for fixing the vernier 102 on the main scale 101, the measuring claw 103 is connected with the vernier 102, and the measuring claw 103 is used for determining the cutting position; the cutting head 2 is arranged on one side of the measuring jaw 103 close to the zero scale of the main scale 101; the positioning device 2 is positioned at the zero scale position of the main scale 101; the operating handle 4 is connected with the positioning device 3 and used for fixing the positioning device 3.

Need change this sealed cushion after this sealed sleeve pipe takes place the oil impregnate condition, and need cut this cushion when changing, and the precision of measuring can influence the effect of cutting at this in-process, consequently in order to improve the precision of cutting part measurement, this application embodiment uses the vernier scale to measure, cutting tool bit 2 sets up on measuring jaw 103, positioner 3 sets up the supporting part of fixing this cutting device when the zero graduation end of main scale 101 is cut for this cutting device can not remove thereby leading to the condition of cutting production deviation at this in-process.

Optionally, the cutting head 2 is made of high-speed alloy steel, a blade and other sharp metals.

Because when cutting rubber pad goods, use ordinary blade cutting strength not high and easy passivation, in order to improve the effect and the efficiency of cutting, cutting tool bit 2 uses the material that hardness is strong, difficult rust in this embodiment, for example high-speed alloy steel, also can be other similar steel, and it is specifically not limited here.

Optionally, a fixed base 104 is arranged at one end of the main scale 101 with zero scale, and the size of a through hole in the fixed base 104 is matched with the size of the positioning device 3, so as to fix the positioning device 3 passing through the fixed base 104; and a limit buckle 105 is arranged at the tail end of the other end of the zero scale of the main scale 101 and used for preventing the vernier 102 from sliding out of the main scale 101.

In this embodiment, the fixing base 104 and the main scale 101 are fixedly connected, and may be fixed by welding or by screws, and the fixing base 104 is provided with a through hole parallel to the main scale 101, so that the positioning device 3 does not shake during use, thereby improving the cutting effect.

Since the cursor 102 can slide back and forth on the main scale 101 and the cutting device is not bulky, in order to avoid that the cursor 102 is inadvertently dropped from the main scale 101 during use or carrying, a limit buckle 105 is disposed at the end of the main scale 101, and the limit buckle 105 can be fixedly connected with the main scale 101 or detachably connected with the main scale 101, which is not limited herein.

Optionally, the positioning device 3 includes a screw 301 and a positioning head 301, the positioning head 302 is fixed to one end of the screw 301, a shaft of the screw 301 is provided with a thread, and the positioning head 302 is used for marking an origin of a cutting position; the side wall of the through hole in the fixed base 104 is provided with threads which are matched with the threads of the screw rod 301, so that the distance between the main scale 101 and a cut object is adjusted, and the screw rod 301 is fixed.

In this embodiment, in order to improve the fixing effect and the accuracy of cutting, the positioning head 302 is configured as a tip, so that the marked cutting point can be aligned, and the fixing effect of the tip is firmer, and meanwhile, in order to enable the connection between the positioning device 3 and the fixing base 104 to be mutually matched, the threads on the side wall of the through hole of the fixing base 104 and the threads on the screw rod 301 are mutually matched, in the first aspect, the screw rod 301 is fastened and cannot shake in the through hole, and in the second aspect, the distance between the main scale 101 and the cut object can be adjusted by adjusting the length of the screw rod 301 penetrating through the through hole.

Optionally, the connecting the operating handle 4 and the positioning device 3 includes: the operating handle 4 is provided with a concave hole, and the size of the concave hole is matched with that of the threaded rod 301 of the positioning device 3, so that the operating handle 4 is detachably connected with the threaded rod 301;

or the like, or, alternatively,

the operating handle 4 is non-detachably connected to the threaded rod 301 of the positioning device 3.

In order to facilitate the user to adjust the length of the threaded rod 301 penetrating through the fixed base 104, in this embodiment, an operating handle 4 is arranged on the top of the threaded rod 301, a concave hole is arranged at a position where the operating handle 4 contacts the threaded rod 301, so that the top of the threaded rod 301 is placed in the concave hole, and a thread matching the threaded rod is arranged on the side wall of the concave hole, so that the operating handle can be replaced.

The operating handle 4 and the threaded rod 301 may be fixedly connected, depending on the situation at the site.

Optionally, the cursor 102 is a digital display cursor, and is used for displaying a specific measurement value through an electronic display screen; and a battery hole is formed in the back of the digital display type vernier display screen.

The scale value is arranged on the main scale 101, when the scale value measuring device is used, the vernier 102 is dialed to a corresponding position according to the scale value arranged on the main scale 101, but a user needs to approach the main scale when observing the scale value on the main scale 101, and scales which are not integers need to be determined by counting scale marks, so that the digital display vernier is used in the embodiment, the numerical value of the digital display vernier is displayed through the electronic display screen, a battery hole is formed in the back of the digital display vernier, the battery can be replaced when the electric quantity is insufficient, the user can observe data on the display screen when the user dials the vernier, the scale marks on the main scale 101 are not needed, the reading time is reduced, and the measuring accuracy is improved.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.

Claims

1. A cutting device, comprising:

2. The cutting device as claimed in claim 1, wherein a fixing base is provided at the zero-scale end of the main scale, and the size of the through hole in the fixing base is matched with the size of the positioning device, so as to fix the positioning device passing through the fixing base.

3. The cutting device according to claim 2, wherein the positioning device comprises a screw rod and a positioning head, the positioning head is fixed at one end of the screw rod, the body of the screw rod is provided with threads, and the positioning head is used for marking the origin of the cutting position.

4. The cutting device as claimed in claim 3, wherein the side wall of the through hole in the fixing base is provided with threads matching with the threads of the screw rod to adjust the distance between the main scale and the object to be cut and fix the screw rod.

5. The cutting device of claim 3, wherein the operating handle coupled to the positioning device comprises:

or the like, or, alternatively,

6. The cutting device of claim 1, wherein the cutting tip is made of high speed alloy steel.

7. The cutting device according to any one of claims 1 to 6, wherein the cursor is a digital display cursor for displaying a specific measurement value through an electronic display screen.

8. The cutting device according to claim 7, wherein a battery hole is provided on the back of the digital display vernier display screen.

9. The cutting device according to any one of claims 1 to 6, wherein a limit catch is provided on the end of the other end of the main scale zero scale for preventing the cursor from sliding out of the main scale.

10. A cutting device according to any one of claims 1 to 6, wherein the lower half of the measuring jaw is of a rotatable configuration.