Shunt current metering equipment

Abstract

The utility model belongs to the field of electric power, particularly relates to shunt current metering equipment, and provides the following scheme aiming at the problem that the existing shunt current metering equipment is directly fixed through a screw and is easy to loosen after being taken for the next time, the shunt current metering equipment comprises a shunt current metering equipment main body; the number of the clamping blocks is four, and the four clamping blocks are connected to the periphery of the bottom of the shunt current metering equipment body through bolts; the mounting seat is clamped among the surfaces of the four clamping blocks; the clamping assembly comprises limiting strips, limiting toothed plates, clamping toothed plates and sliding rods, the number of the limiting strips is two, the number of the sliding rods is two, the limiting toothed plates and the clamping toothed plates can be used for fixing the shunt current metering equipment body through the structural arrangement, and only the installation base needs to be fixed to the line position; and then the shunt current metering equipment main body can be installed through the clamping block, the shunt current metering equipment main body needs to be taken down, only the fixing mechanism needs to be rotated, and the loosening phenomenon cannot occur.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power, in particular to a branch current metering device. Background Art

[0002] A shunt current meter, also known as a galvanometer, refers to a zero-pointing instrument used in electromagnetic measurement comparison methods to check the presence of a small current or voltage, or an instrument that indicates its value after temporary calibration. Chinese patent document CN111788491A discloses a current measuring device, a power storage device, and a current measuring method.

[0003] However, the above technical solutions mostly fix the entire device directly at the line position. After installation, it is necessary to turn the screws to remove it. Frequent such operations will easily cause the screw connection position to loosen, which will affect the stability of the entire device. Summary of the Invention

[0004] The utility model aims to solve the disadvantage of the prior art that the device is directly fixed by screws and is easy to loosen after being removed many times, and proposes a shunt current metering device.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A shunt current measuring device comprising

[0007] The main body of the shunt current metering device;

[0008] There are four card blocks, all of which are bolted to the four sides of the bottom of the shunt current metering device;

[0009] A mounting seat, the mounting seat is clamped between the surfaces of the four clamping blocks;

[0010] The clamping assembly includes a limit bar, a limit tooth plate, a clamping tooth plate and a slide rod. The limit bars and slide rods are each provided with two, and the limit tooth plates and clamping tooth plates are each provided with four. The surfaces of the two limit tooth plates are respectively connected with the groove bolts on both sides of a limit bar, the clamping tooth plate is connected with the clamping block bolt, and both ends of the slide rod are connected with the internal bolts of the mounting seat, and the slide rod is slidably connected with the limit bar;

[0011] The fixing mechanism is connected to the limit bar. The fixing mechanism is used to drive the limit bar to move. Through the structural setting, the limiting tooth plate and the clamping tooth plate can be used to fix the shunt current metering device body. It is only necessary to fix the mounting base in the line position, and then the shunt current metering device body can be installed through the clamping block. If the shunt current metering device body needs to be removed, it is only necessary to rotate the fixing mechanism, and no loosening will occur.

[0012] As an optimal solution of the present utility model, the fixing mechanism includes a screw rod, a rack, a pinion, a transmission frame and a transmission rod. The surface of the screw rod is threadedly connected to the screw hole of the rack. The pinion, transmission frame and transmission rod are each provided with two, and the two pinion gears are respectively engaged with the teeth on both sides of the rack. The top of the pinion gear is keyed to one end of the transmission frame. The transmission frame is hinged to the transmission rod, and the transmission rod is hinged to the limit bar, which can drive the screw rod to rotate, the screw rod can drive the rack to move, the rack can drive the pinion gear to rotate, the pinion gear can drive the transmission frame to rotate, the transmission frame can drive the transmission rod to rotate, the transmission rod can drive the limit bar to approach the card block, the limit bar is slidably arranged by the slide rail and the slide rod to guide the limit bar, and the limit bar can drive the limit tooth plate to move.

[0013] As a preferred solution of the present invention, the right end of the screw rod surface is rotatably sleeved with the inner part of the mounting seat, the right end of the screw rod extends to the outside of the mounting seat and is keyed to a handwheel, the screw rod is rotatably arranged with the mounting seat through a bearing to ensure the smooth rotation of the screw rod, and the handwheel is used to drive the screw rod to rotate.

[0014] As an optimal solution of the present invention, the surface of the rack is slidably connected to the limit frame, the limit frame is bolted to the mounting seat, the axis of the pinion is rotatably connected to the inside of the mounting seat, the rack is slidably arranged with the limit frame through a slide rail, the limit frame guides the rack, and the rack facilitates the pinion to rotate. The pinion is rotatably arranged with the mounting seat through a bearing to ensure the stability of the pinion rotation.

[0015] As a preferred solution of the present invention, the front and rear sides of the mounting seat are both bolted to mounting plates, and a mounting hole is opened on the top of the mounting plate. The mounting hole of the mounting plate is used to insert screws for fixing, and the mounting seat is fixed through the mounting plate.

[0016] As a preferred solution of the present invention, the teeth of the limiting tooth plate correspond to the teeth of the latch plate, the surface of the limiting bar is slidably connected to the inside of the mounting seat, the limiting tooth plate can engage with the latch plate to limit the position, and the limiting bar is slidably arranged with the mounting seat through a slide rail to guide the limiting bar. Beneficial effects

[0017] 1. The fixing mechanism can drive the limit bar to move, the limit bar can slide on the slide bar, the limit bar can drive the limit tooth plate to move, and the limit tooth plate can limit the block through the tooth plate, making it easy to remove the main body of the shunt current metering equipment;

[0018] 2. The screw can drive the rack to move, the rack can drive the two pinions to rotate, the pinions can drive the transmission frame to rotate, the transmission frame can drive the transmission rod to move, and the transmission rod can drive the limit bar to move;

[0019] In the utility model: through the structural setting, the limiting tooth plate and the clamping tooth plate can be used to fix the shunt current metering device body. It is only necessary to fix the mounting base at the line position, and then the shunt current metering device body can be installed through the clamping block. If the shunt current metering device body needs to be removed, it is only necessary to rotate the fixing mechanism, and no loosening will occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0021] Figure 2 This is a three-dimensional diagram of the interior of the mounting base of the utility model;

[0022] Figure 3 This is a three-dimensional diagram of the fixing mechanism of the present utility model;

[0023] Figure 4 This is a three-dimensional diagram of the limit bar of the utility model.

[0024] In the figure: 1. Main body of the shunt current metering device; 2. Clamp block; 3. Mounting seat; 4. Limiting bar; 5. Limiting tooth plate; 6. Clamping tooth plate; 7. Sliding rod; 8. Screw rod; 9. Rack; 10. Pinion; 11. Transmission frame; 12. Transmission rod; 13. Handwheel; 14. Mounting plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Example

[0026] Reference Figure 1-Figure 4 , a shunt current metering device, comprising

[0027] A shunt current metering device body 1;

[0028] There are four clamping blocks 2, and the four clamping blocks 2 are all bolted to the four sides of the bottom of the shunt current metering device body 1;

[0029] A mounting base 3, the mounting base 3 is clamped between the surfaces of the four clamping blocks 2;

[0030] The clamping assembly includes a limit bar 4, a limit tooth plate 5, a latch plate 6 and a slide rod 7. There are two limit bars 4 and two slide rods 7, and four limit tooth plates 5 and four latch plates 6. The surfaces of the two limit tooth plates 5 are respectively connected with the groove bolts on both sides of a limit bar 4, the latch plate 6 is bolted to the card block 2, and both ends of the slide rod 7 are connected with the internal bolts of the mounting seat 3. The slide rod 7 is slidably connected to the limit bar 4;

[0031] The fixing mechanism is connected to the limiting strip 4 and is used to drive the limiting strip 4 to move.

[0032] By means of the above structure: through the structural setting, the shunt current metering device body 1 can be fixed by using the limiting tooth plate 5 and the clamping tooth plate 6. It is only necessary to fix the mounting base 3 in the line position, and then the shunt current metering device body 1 can be installed through the clamping block 2. If the shunt current metering device body 1 needs to be removed, it is only necessary to rotate the fixing mechanism, and no loosening will occur.

[0033] See also Figure 2 The fixing mechanism includes a screw rod 8, a rack 9, a pinion 10, a transmission frame 11 and a transmission rod 12. The surface of the screw rod 8 is threadedly connected to the screw hole of the rack 9. The pinion 10, the transmission frame 11 and the transmission rod 12 are each provided with two, and the two pinion gears 10 are respectively engaged with the teeth on both sides of the rack 9. The top of the pinion gear 10 is keyed to one end of the transmission frame 11, the transmission frame 11 is hinged to the transmission rod 12, and the transmission rod 12 is hinged to the limit bar 4, which can drive the screw rod 8 to rotate, the screw rod 8 can drive the rack 9 to move, the rack 9 can drive the pinion 10 to rotate, the pinion 10 can drive the transmission frame 11 to rotate, the transmission frame 11 can drive the transmission rod 12 to rotate, and the transmission rod 12 can drive the limit bar 4 to approach the card block 2. The limit bar 4 is slidably set through the slide rail and the slide rod 7 to guide the limit bar 4, and the limit bar 4 can drive the limit tooth plate 5 to move.

[0034] See also Figure 2 The right end of the surface of the screw rod 8 is rotatably sleeved with the inside of the mounting seat 3. The right end of the screw rod 8 extends to the outside of the mounting seat 3 and is keyed to a handwheel 13. The screw rod 8 is rotatably arranged with the mounting seat 3 through a bearing to ensure the smooth rotation of the screw rod 8. The handwheel 13 is used to drive the screw rod 8 to rotate.

[0035] See also Figure 2 The surface of the rack 9 is slidably connected to the limit frame, the limit frame is bolted to the mounting seat 3, the axis of the pinion 10 is rotatably connected to the inside of the mounting seat 3, the rack 9 is slidably set with the limit frame through the slide rail, and the limit frame guides the rack 9, making it convenient for the rack 9 to drive the pinion 10 to rotate. The pinion 10 is rotatably set with the mounting seat 3 through the bearing to ensure the smooth rotation of the pinion 10.

[0036] See also Figure 2 The front and rear sides of the mounting seat 3 are bolted to a mounting plate 14 , and a mounting hole is opened on the top of the mounting plate 14 . The mounting hole of the mounting plate 14 is used to insert screws for fixing, and the mounting seat 3 is fixed through the mounting plate 14 .

[0037] See also Figure 4The teeth of the limiting tooth plate 5 correspond to the teeth of the latch plate 6, the surface of the limiting bar 4 is slidably connected to the inside of the mounting seat 3, the limiting tooth plate 5 can engage with the latch plate 6 to limit the position, and the limiting bar 4 is slidably set with the mounting seat 3 through the slide rail to guide the limiting bar 4. Example

[0038] The difference between this embodiment and embodiment 1 is that the screw 8, rack 9 and pinion 10 are replaced by a worm and two worm wheels meshing on the worm surface. The worm can drive the transmission frame 11 to rotate through the worm wheel, but the self-locking effect of the worm and the worm wheel is poor. Therefore, the present application preferably uses a screw 8, rack 9 and pinion 10.

[0039] The main body 1 of the shunt current metering device adopts existing technology and can adopt the main structure of patent application number 201980016485.4.

[0040] The operating steps of the present utility model are as follows: the mounting seat 3 is tightly attached to the circuit through the mounting plate 14, and then the mounting plate 14 is fixed with screws, and the four blocks 2 of the shunt current metering device body 1 are inserted into the inside of the mounting seat 3, and the handwheel 13 is rotated. The handwheel 13 can drive the screw rod 8 to rotate, and the screw rod 8 can drive the rack 9 to move, and the rack 9 can drive the pinion 10 to rotate, and the pinion 10 can drive the transmission frame 11 to rotate, and the transmission frame 11 can drive the transmission rod 12 to rotate, and the transmission rod 12 can drive the limit bar 4 to approach the block 2, and the limit bar 4 is slidably set by the slide rail and the slide rod 7 to guide the limit bar 4, and the limit bar 4 can drive the limit tooth plate 5 to move, and the limit tooth plate 5 can engage with the tooth plate 6 of the block 2 to fix the shunt current metering device body 1.

[0041] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A shunt current measuring device, characterized in that: include A shunt current metering device body (1); A clamping block (2), wherein four clamping blocks (2) are provided, and the four clamping blocks (2) are all bolted to the four sides of the bottom of the shunt current metering device body (1); A mounting seat (3), the mounting seat (3) being clamped between the surfaces of the four clamping blocks (2); The clamping assembly includes a limit bar (4), a limit tooth plate (5), a clamping tooth plate (6) and a slide bar (7), two limit bars (4) and two slide bars (7) are provided, four limit tooth plates (5) and four clamping tooth plates (6) are provided, the surfaces of the two limit tooth plates (5) are respectively connected to the groove bolts on both sides of a limit bar (4), the clamping tooth plate (6) is bolted to the clamping block (2), both ends of the slide bar (7) are connected to the internal bolts of the mounting seat (3), and the slide bar (7) is slidably connected to the limit bar (4); A fixing mechanism is connected to the limiting strip (4), and the fixing mechanism is used to drive the limiting strip (4) to move.

2. A shunt current metering device according to claim 1, characterized in that: The fixing mechanism comprises a screw rod (8), a rack (9), a pinion (10), a transmission frame (11) and a transmission rod (12); the surface of the screw rod (8) is threadedly connected to the screw hole of the rack (9); two pinions (10), the transmission frame (11) and the transmission rod (12) are each provided with two pinions (10); the two pinions (10) are respectively engaged with the teeth on both sides of the rack (9); the top of the pinion (10) is key-connected to one end of the transmission frame (11); the transmission frame (11) is hinged to the transmission rod (12); and the transmission rod (12) is hinged to the limit bar (4).

3. A shunt current measuring device according to claim 2, characterized in that: The right end of the surface of the screw rod (8) is rotatably sleeved with the interior of the mounting seat (3), and the right end of the screw rod (8) extends to the outside of the mounting seat (3) and is keyed to a hand wheel (13).

4. A shunt current measuring device according to claim 2, characterized in that: The surface of the rack (9) is slidably connected to a limit frame, the limit frame is bolted to the mounting seat (3), and the axis of the pinion (10) is rotatably connected to the interior of the mounting seat (3).

5. The shunt current measuring device according to claim 1, characterized in that: The front and rear sides of the mounting seat (3) are both bolted to mounting plates (14), and a mounting hole is provided on the top of the mounting plate (14).

6. The shunt current measuring device according to claim 1, characterized in that: The teeth of the limiting tooth plate (5) correspond to the teeth of the latching tooth plate (6), and the surface of the limiting strip (4) is slidably connected to the interior of the mounting seat (3).

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