CN213635688U

CN213635688U - Work fixture for current transformer

Info

Publication number: CN213635688U
Application number: CN202023201830.0U
Authority: CN
Inventors: 刘殿东
Original assignee: Zibo Suyue Electronics Co ltd
Current assignee: Zibo Suyue Electronics Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-07-06
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a frock clamp for current transformer, which belongs to the current transformer processing field, and comprises a base, the side of the base is fixedly connected with a connecting plate, the top thread of the connecting plate is sleeved with a connecting bolt, one side of the top of the base is fixedly connected with a fixed plate, the top of the fixed plate is provided with a slide rail, the other side of the base is fixedly connected with a positioning plate, the top thread of the positioning plate is sleeved with a threaded rod, the external thread of the threaded rod is sleeved with a connecting rod, and the two ends of the connecting rod are fixedly connected; through setting up threaded rod, connecting rod, pressing the clamp plate, pressing wheel and pressing the depression bar, can be when the material needs fix, make through rotating the threaded rod and press the clamp plate and can come the adjusting position according to the size of material, press the depression bar after that and make and press down the round downstream, press the top in close contact with of clamp plate and material according to the drive of depression bar this moment to effectual stability when having improved the frock clamp centre gripping.

Description

Work fixture for current transformer

Technical Field

The utility model belongs to the technical field of current transformer processing, concretely relates to frock clamp for current transformer.

Background

Along with the rapid development of economy in China, the living standard of the national people in China is continuously improved, the current transformer is most used in electrical equipment, the principle of the current transformer is based on the electromagnetic induction principle, the current transformer consists of a closed iron core and a closed winding, the number of turns of a primary winding of the current transformer is small, the current transformer is connected in series in a circuit of current to be measured, all current of the circuit always flows through the current transformer, the number of turns of a secondary winding of the current transformer is large, the current transformer is connected in series in a measuring instrument and a protection loop, and when the current transformer works, a secondary loop of the current transformer is always closed, so that the impedance of a series coil of the measuring instrument and the protection loop is small, the working state of the current transformer is close to short circuit, and a tool clamp is.

However, most of the existing tool fixtures are difficult to fix current transformers with different sizes when in use, so that the practicability of the tool fixtures is reduced.

Disclosure of Invention

An object of the utility model is to provide a frock clamp for current transformer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tool clamp for a current transformer comprises a base, wherein a connecting plate is fixedly connected to the side face of the base, a connecting bolt is sleeved on the top thread of the connecting plate, a fixed plate is fixedly connected to one side of the top of the base, a sliding rail is arranged at the top of the fixed plate, a positioning plate is fixedly connected to the other side of the base, a threaded rod is sleeved on the top thread of the positioning plate, a connecting rod is sleeved on the outer thread of the threaded rod, movable rods are fixedly connected to the two ends of the connecting rod, a pressing plate is fixed to one ends of the movable rods, a pressing wheel is movably mounted to the other side of the movable rods, a pressing rod is fixedly connected to one side of the pressing wheel, a placing table is fixedly connected to one side of the base, a placing groove is formed in the placing table, a fixed block is fixedly connected, the outer portion of the movable screw rod is movably sleeved with a movable block, the inner portion of the movable block is movably sleeved with a positioning rod, one end of the movable screw rod is fixedly connected with a handle, and the middle portion of the handle is connected with a locking plate through a locking bolt in a threaded mode.

As a preferred embodiment, the number of the connecting plates is two, and the two connecting plates are respectively and fixedly connected with one side of the base and the other side of the placing table.

In a preferred embodiment, the bottom of the pressing wheel is in close contact with the top of the sliding rail, and the pressing wheel is matched with the sliding rail.

As a preferred embodiment, the threaded rod penetrates through the positioning plate and extends to the inside of the base, and a rubber pad is fixedly connected to one side of the positioning plate.

As a preferred embodiment, the outer part of the movable screw is provided with two types of external threads with opposite directions, and the two types of external threads on the outer part of the movable screw are respectively matched with the internal threads inside the two movable blocks.

As a preferred embodiment, the front surface of the locking plate is provided with eight screw holes, and the eight screw holes are annularly distributed on the surface of the locking plate.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the tooling clamp for the current transformer, by arranging the threaded rod, the connecting rod, the sliding rail, the movable rod, the pressing plate, the pressing wheel and the pressing rod, when a material needs to be fixed, the position of the pressing plate can be adjusted according to the size of the material by rotating the threaded rod, then the pressing wheel moves downwards by pressing the pressing rod, and at the moment, the pressing rod drives the pressing plate to be in close contact with the top of the material, so that the clamping stability of the tooling clamp is effectively improved;

this frock clamp for current transformer through setting up fixed block, removal screw rod, movable block and locating lever, can be fixed the back at the top position of material, wave the crank and make the removal screw rod take place to rotate, because the internal thread of two movable blocks is opposite this moment for two movable blocks can press from both sides the both sides of tight material, thereby make frock clamp's practicality.

Drawings

FIG. 1 is a front partial sectional view of the structure of the present invention;

FIG. 2 is a schematic top view of the structure of the present invention;

fig. 3 is a schematic side view of the locking plate in the structure of the present invention.

In the figure: 1. a base; 2. a connecting plate; 3. a connecting bolt; 4. a fixing plate; 5. a slide rail; 6. positioning a plate; 7. a threaded rod; 8. a connecting rod; 9. a movable rod; 10. a pressing plate; 11. pressing the wheel; 12. a pressing lever; 13. a placing table; 14. a placement groove; 15. a fixed block; 16. moving the screw; 17. a movable block; 18. positioning a rod; 19. a handle is shaken; 20. locking plates.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the utility model provides a tooling fixture for a current transformer, which comprises a base 1, a connecting plate 2 fixedly connected to the side of the base 1, a connecting bolt 3 sleeved on the top thread of the connecting plate 2, a fixing plate 4 fixedly connected to one side of the top of the base 1, a slide rail 5 arranged on the top of the fixing plate 4, a positioning plate 6 fixedly connected to the other side of the base 1, a threaded rod 7 sleeved on the top thread of the positioning plate 6, a connecting rod 8 sleeved on the outer thread of the threaded rod 7, a movable rod 9 fixedly connected to the two ends of the connecting rod 8, a pressing plate 10 fixed to one end of the movable rod 9, a pressing wheel 11 movably mounted on the other side of the movable rod 9, a pressing rod 12 fixedly connected to one side of the pressing wheel 11, a placing table 13 fixedly connected to one side of the base 1, a placing groove 14 arranged inside the, a movable screw 16 is movably sleeved inside the fixed block 15, a movable block 17 is movably sleeved outside the movable screw 16, a positioning rod 18 is movably sleeved inside the movable block 17, one end of the movable screw 16 is fixedly connected with a crank handle 19, and the middle part of the crank handle 19 is in threaded connection with a locking plate 20 through a locking bolt; through setting up threaded rod 7, connecting rod 8, slide rail 5, movable rod 9, press board 10, press wheel 11 and press the depression bar 12, can be when the material needs fix, make through rotating threaded rod 7 and press board 10 can come the adjusting position according to the size of material, press down depression bar 12 after that and make and press 11 downstream of pinch wheel, press the top in close contact with of depression bar 12 drive press board 10 and material this moment to effectual stability when having improved the frock clamp centre gripping.

The number of the connecting plates 2 is two, and the two connecting plates 2 are respectively and fixedly connected with one side of the base 1 and the other side of the placing table 13; can be when frock clamp need use, can place the inside at the lathe with connecting plate 2, rotate connecting bolt 3 after that and make frock clamp and lathe in close contact with, frock clamp passes through connecting bolt 3 movable mounting in the inside of lathe this moment to effectual practicality that improves frock clamp.

Wherein, the bottom of the pressing wheel 11 is closely contacted with the top of the sliding rail 5, and the pressing wheel 11 is matched with the sliding rail 5; can press down the press lever 12 when the top position of material needs to be fixed, press 11 this moment and take place to move downwards and take place to rotate in the inside of slide rail 5 to for frock clamp to the centre gripping at material top has brought the facility.

The threaded rod 7 penetrates through the positioning plate 6 and extends into the base 1, and a rubber pad is fixedly connected to one side of the positioning plate 6; can be when the top position of material needs fix, reverse rotation threaded rod 7 makes threaded rod 7 upwards take place the motion, and the position of pressing board 10 this moment upwards takes place to remove, places the material at the top of placing platform 13 after that, then forward rotation threaded rod 7 makes threaded rod 7 drive connecting rod 8 downwards take place the motion, press the top in close contact with of pressing board 10 with the material under the drive of connecting rod 8 after that to effectual stability when having improved the frock clamp centre gripping.

Wherein, two kinds of external screw threads that opposite direction are seted up to the outside of removal screw rod 16, and two kinds of external screw threads of removal screw rod 16 outside respectively with the inside internal thread looks adaptation of two movable blocks 17. The front surface of the locking plate 20 is provided with eight screw holes, and the eight screw holes are annularly distributed on the surface of the locking plate 20; after the top position of material is fixed, rotate crank 19 for remove screw rod 16 and take place to rotate under crank 19's drive, thereby make movable block 17 take place horizontal motion on removing screw rod 16, make two movable blocks 17 can press from both sides the both sides of pressing from both sides tight material, thereby make frock clamp's practicality.

The front surface of the locking plate 20 is provided with eight screw holes, and the eight screw holes are annularly distributed on the surface of the locking plate 20; can be after the both sides position of material is fixed, screw up the locking bolt for rocking handle 19 passes through the locking bolt to be fixed on lockplate 20, thereby stability when effectual frock clamp centre gripping both sides has been improved.

The utility model discloses a theory of operation and use flow: firstly, when the tool clamp needs to be used, the connecting plate 2 can be placed in the machine tool, then the connecting bolt 3 is rotated to enable the tool clamp to be in close contact with the machine tool, at the moment, the tool clamp is movably installed in the machine tool through the connecting bolt 3, so that the practicability of the tool clamp is effectively improved, when the top position of a material needs to be fixed, the threaded rod 7 is enabled to move upwards by reversely rotating the threaded rod 7, at the moment, the position of the pressing plate 10 moves upwards, then, the material is placed at the top of the placing table 13, then, the threaded rod 7 is enabled to move upwards by reversely rotating the threaded rod 7, at the moment, the position of the pressing plate 10 moves upwards, then, the threaded rod 7 is enabled to drive the connecting rod 8 to move downwards by forwardly rotating the threaded rod 7, then, the pressing plate 10 moves under the driving of the connecting rod 8, according to pinch roller 11 downwards at the inside of slide rail 5 this moment and take place to rotate, make to drive movable rod 9 downstream according to pinch roller 11, press the top in close contact with of board 10 and material this moment, thereby the effectual stability when improving the frock clamp centre gripping, rotate handle 19 after that, make removal screw rod 16 take place to rotate under handle 19's drive, thereby make movable block 17 take place horizontal motion on removing screw rod 16, make two movable blocks 17 can press from both sides the both sides of tight material, thereby make frock clamp's practicality, screw up locking bolt at last, make handle 19 pass through locking bolt and fix on lockplate 20, thereby the effectual stability when having improved frock clamp centre gripping both sides.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a frock clamp for current transformer, includes base (1), its characterized in that: the side face of the base (1) is fixedly connected with a connecting plate (2), the top thread of the connecting plate (2) is sleeved with a connecting bolt (3), one side of the top of the base (1) is fixedly connected with a fixed plate (4), the top of the fixed plate (4) is provided with a slide rail (5), the other side of the base (1) is fixedly connected with a positioning plate (6), the top thread of the positioning plate (6) is sleeved with a threaded rod (7), the outer thread of the threaded rod (7) is sleeved with a connecting rod (8), two ends of the connecting rod (8) are fixedly connected with movable rods (9), one end of each movable rod (9) is fixedly provided with a pressing plate (10), the other side of each movable rod (9) is movably provided with a pressing wheel (11), one side of each pressing wheel (11) is fixedly connected with a pressing rod (12), one side of the base (1, place inside of platform (13) and seted up standing groove (14), inside fixedly connected with fixed block (15) of standing groove (14), the inside activity of fixed block (15) has cup jointed removal screw rod (16), the outside activity of removing screw rod (16) has cup jointed movable block (17), the inside activity of movable block (17) has cup jointed locating lever (18), the one end fixedly connected with of removal screw rod (16) shakes handle (19), there is lockplate (20) at the middle part of shaking handle (19) through locking bolt threaded connection.

2. The tool clamp for the current transformer according to claim 1, wherein: the number of the connecting plates (2) is two, and the two connecting plates (2) are respectively fixedly connected with one side of the base (1) and the other side of the placing table (13).

3. The tool clamp for the current transformer according to claim 1, wherein: the bottom of the pressing wheel (11) is in close contact with the top of the sliding rail (5), and the pressing wheel (11) is matched with the sliding rail (5).

4. The tool clamp for the current transformer according to claim 1, wherein: the threaded rod (7) penetrates through the positioning plate (6) and extends to the inside of the base (1), and a rubber pad is fixedly connected to one side of the positioning plate (6).

5. The tool clamp for the current transformer according to claim 1, wherein: two external threads in opposite directions are formed in the outer portion of the movable screw rod (16), and the two external threads in the outer portion of the movable screw rod (16) are matched with the internal threads in the two movable blocks (17) respectively.

6. The tool clamp for the current transformer according to claim 1, wherein: the front surface of lockplate (20) has seted up the screw, the quantity of screw is eight, and eight screws are the annular and distribute in the surface of lockplate (20).