A metering box instrument quick installation structure

Abstract

The application relates to a quick installation structure of an instrument in a metering box, and belongs to the field of power equipment. The quick installation structure comprises support beams, support seats and a positioning mechanism. The support beams are arranged at intervals in the metering box. The support seats are used for embedding the instrument. The positioning mechanism is arranged on the support seat and is used for positioning the support seat on the support beam. The positioning mechanism comprises an upper clamping plate, a lower clamping plate, a positioning pin and a control assembly. The upper clamping plate is vertically and slidingly arranged on the support seat. The lower clamping plate is slidingly arranged on the support seat and faces the upper clamping plate. A positioning strip hole is formed in the support beam. The positioning pin is slidingly arranged on the upper clamping plate and is used for being inserted into the positioning strip hole. The control assembly is arranged on the support seat and is used for driving the upper clamping plate and the lower clamping plate to move towards each other. The application has the effects of improving the efficiency and convenience of installing and dismounting the instrument in the metering box.

Description

Technical Field

[0001] This application relates to the field of power equipment, and in particular to a quick-installation structure for instruments inside a metering box. Background Technology

[0002] A metering box is a collection of metering instruments and auxiliary equipment necessary for measuring electrical energy. It includes electrical meters, voltage and current transformers, and other electrical instruments.

[0003] Currently, power meters are mainly installed in metering boxes using bolts or clips. Bolt installation requires tightening many bolts, has high precision requirements for the reserved holes, and is time-consuming and labor-intensive. Although clip installation is quick, requiring only the meter to be pushed to the set position, after the clips are locked, a flathead screwdriver is needed to pry them open, which can easily damage the meter, and its disassembly is more difficult.

[0004] Therefore, how to quickly and conveniently disassemble and assemble the instruments inside the metering box has become an urgent problem to be solved in the assembly of metering boxes. Summary of the Invention

[0005] To improve the efficiency and convenience of installing and removing instruments inside the metering box, this application provides a quick installation structure for instruments inside the metering box.

[0006] The quick installation structure for instruments inside a metering box provided in this application adopts the following technical solution: A quick-installation structure for instruments inside a metering box includes a support beam, a support base, and a positioning mechanism. Multiple support beams are spaced vertically within the metering box. The support base is used for embedding instruments. The positioning mechanism is mounted on the support base and positions the support base onto the support beams. The positioning mechanism includes an upper clamping plate, a lower clamping plate, a positioning pin, and a control component. The upper clamping plate is vertically slidably mounted on the support base, and the lower clamping plate is slidably mounted on the support base towards the upper clamping plate. Positioning slots are provided on the support beams. The positioning pin is slidably mounted on the upper clamping plate and inserted into the positioning slots. The control component is mounted on the support base and drives the upper and lower clamping plates to move towards each other.

[0007] By adopting the above technical solution, the staff first installs the support beam into the metering box, then moves the support base so that the upper and lower clamping plates move to the sides of the two adjacent support beams respectively, and aligns the positioning pins with the positioning strip holes on the support beams. Then, the control component drives the upper and lower clamping plates to move closer to each other, so that the upper and lower clamping plates can abut against the two adjacent support beams respectively. At the same time, the positioning pins are inserted into the positioning strip holes, which can position the support base in the metering box. The position of the support base on the support beams can also be adjusted. When installing the instrument, the instrument is embedded into the support base, which can easily complete the installation of the instrument in the metering box. When the instrument needs to be removed, it only needs to be pulled out from the support base, which effectively improves the efficiency and convenience of installing and removing the instrument in the metering box.

[0008] Optionally, the control assembly includes a bidirectional screw, a control screw, and a bevel gear set. The bidirectional screw is rotatably mounted on the support base and is threadedly connected to both the upper and lower clamping plates. The two sections of the bidirectional screw connected to the upper and lower clamping plates have opposite thread directions. The control screw is rotatably mounted on the support base and extends to the side of the support base. The bevel gear set is mounted on the support base and is used to drive the bidirectional screw to rotate when the control screw rotates.

[0009] By adopting the above technical solution, the operator turns the control screw, which drives the bidirectional screw to rotate through the bevel gear set. The bidirectional screw can then drive the upper and lower clamping plates to move closer or further apart. The control screw and the bidirectional screw are connected by the bevel gear set, allowing the control screw to extend to the side of the support base, making it convenient for the operator to operate.

[0010] Optionally, the support beam has multiple positioning protrusions spaced apart on the side near the lower clamping plate, and the lower clamping plate has multiple anti-slip protrusions on the side near the support beam for engaging with adjacent positioning protrusions.

[0011] By adopting the above technical solution, when the lower clamping plate is pressed against the support beam, the anti-slip protrusions are engaged between adjacent positioning protrusions, preventing the lower clamping plate from moving along the length of the support beam and improving the stability of the support seat in the length of the support beam.

[0012] Optionally, the support base has an opening on the side opposite to the support beam, and a fastening assembly is provided at the corner of the side of the support base opposite to the support beam for abutting against the side of the instrument opposite to the support base. The fastening assembly includes a fastening sleeve, a fastening rod, a fastening block, and a fastening spring. The fastening sleeve is disposed on the support base, the fastening rod is slidably inserted into the fastening sleeve, the fastening block is disposed at the end of the fastening rod away from the fastening sleeve, and the fastening spring is disposed on the fastening sleeve and is used to drive the fastening rod to slide toward the direction closer to the fastening sleeve.

[0013] By adopting the above technical solution, the staff first pulls the fastening rod away from the fastening sleeve, then inserts the instrument into the support base. After releasing the fastening rod, the fastening spring can move the fastening rod closer to the fastening sleeve. The fastening rod drives the fastening block to press against the side of the instrument away from the support base, thus positioning the instrument on the support base, improving the stability of the instrument on the support base, and also applicable to the installation of instruments of different thicknesses on the support base.

[0014] Optionally, the support base has an opening at the top. The support base includes a main body, a clamping body, and a clamping member. The upper clamping plate, the lower clamping plate, and the control component are all disposed on the main body. The clamping body is slidably disposed on the main body in the direction of the main body. The clamping member is disposed on the main body and is used to drive the clamping body to slide.

[0015] By adopting the above technical solution, the support base with an open top makes it easy for workers to insert the instrument from the top of the support base. Furthermore, for instruments of different widths, after the workers insert the instrument into the main body, they can use the clamping device to drive the clamping body closer to the main body, so that the clamping body can clamp the instrument onto the main body from the side, thereby improving the applicability of the support base to instruments of different widths and heights.

[0016] Optionally, the main body is provided with a plurality of connection terminals for positioning the wires of the connected instrument. The connection terminals include end seats, locking plates and locking members. The end seats are disposed on the main body. A plurality of locking plates are slidably disposed on the end seats. The plurality of locking plates are arranged circumferentially to leave gaps for the power supply wires to pass through. The locking members are disposed on the main body and are used to drive the plurality of locking plates to move closer or further apart from each other.

[0017] By adopting the above technical solution, after the main body is installed on the support beam, the wires that need to be connected to the instrument are passed through the multiple locking plates on the end seat. Then, the locking device drives the multiple locking plates to move closer to each other, and the multiple locking plates can clamp the wires and position them, making it easier to connect the wires to the instrument later.

[0018] Optionally, the locking component includes a locking ring and a locking screw. The locking ring is slidably disposed on the end seat and sleeved on the outer periphery of a plurality of locking pieces. The plurality of locking pieces are inclined in the same direction on the side near the end seat. The locking screw is rotatably disposed on the end seat and threadedly connected to the locking ring.

[0019] By adopting the above technical solution, the operator turns the locking screw, which drives the locking ring to move towards the direction of the larger diameter of the multiple locking plates. The locking ring can then gradually come into contact with the larger diameter of the locking plates, so that the multiple locking plates come close to each other and clamp the wire. It can also be used to clamp wires of different diameters.

[0020] Optionally, the main body is slidably provided with multiple adjustment seats, and the multiple end seats are respectively arranged on the multiple adjustment seats. The adjustment seats are provided with multiple stop grooves, and the main body is rotatably provided with a stop rack for engaging in the multiple stop grooves.

[0021] By adopting the above technical solution, the operator drives the adjusting seat to slide on the main body, and then rotates the stop rack close to the adjusting seat so that the stop rack is engaged in the stop groove, thereby positioning the adjusting seat and adjusting the position of the adjusting seat, and then adjusting the position of the positioning wire.

[0022] Optionally, the support beam is provided with an extension mechanism for abutting against the inner wall of the metering box. The extension mechanism includes an extension part and an extension assembly. One extension part is slidably disposed at each end of the support beam. The extension assembly is disposed on the support beam and is used to drive the extension part to slide away from or towards the support beam.

[0023] By adopting the above technical solution, when the staff puts the support beam into the metering box for installation, the extension components drive the extensions at both ends of the support beam away from the support beam, so that the support beam can be tightly supported inside the metering box, positioning the support beam inside the metering box, facilitating the installation of the support beam inside the metering box, and at the same time supporting the metering box and improving the structural strength of the metering box.

[0024] Optionally, the extension assembly includes an extension wedge, an extension screw, and a return spring. The extension wedge is slidably disposed on the support beam and is inclined on the side of the extension portion. The extension screw is rotatably disposed on the support beam and threadedly connected to the extension wedge. The return spring is disposed on the support beam and connected to the extension portion.

[0025] By adopting the above technical solution, the operator can rotate the extension screw, which will drive the extension wedge to move towards the extension part. The inclined surface of the extension wedge will press against the extension part, causing the extension part to extend out of the support beam. By twisting the extension screw in the opposite direction, the extension wedge will move away from the extension part, and the return spring will drive the extension part to move towards the support beam.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. The instrument can be easily installed in the metering box by embedding it into the support base. When the instrument needs to be removed, it can be simply pulled out from the support base, which effectively improves the efficiency and convenience of installing and removing the instrument in the metering box. 2. By driving the clamping body closer to the main body through the clamping component, the clamping body can clamp the instrument onto the main body from the side of the instrument, improving the applicability of the support base to instruments of different widths and heights; 3. Pass the wire that will be connected to the instrument through the multiple locking plates on the end seat. Then, the locking mechanism drives the multiple locking plates to move closer to each other, and the multiple locking plates clamp the wire and position it, making it easier to connect the wire to the instrument later. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the quick-installation structure of the instrument inside the metering box according to an embodiment of this application.

[0028] Figure 2 This is a schematic diagram of the structure of the upper and lower adjacent guide rails in an embodiment of this application.

[0029] Figure 3 This is a schematic diagram of the guide rail and support base according to an embodiment of this application.

[0030] Figure 4 This is a schematic diagram of the support base according to an embodiment of this application.

[0031] Figure 5 This is a structural schematic diagram of the support base from another perspective of an embodiment of this application.

[0032] Reference numerals: 1. Support beam; 11. Positioning strip hole; 2. Support base; 21. Main body; 22. Clamping body; 23. Clamping component; 3. Positioning mechanism; 31. Upper clamping plate; 32. Lower clamping plate; 33. Positioning pin; 34. Control assembly; 341. Double-acting screw; 342. Control screw; 343. Bevel gear set; 4. Positioning convex piece; 5. Anti-slip protrusion; 6. Fastening assembly; 61. Fastening sleeve; 62. 63. Fastening rod; 64. Fastening block; 7. Fastening spring; 7. Connecting terminal; 71. End seat; 72. Locking plate; 73. Locking component; 731. Locking ring; 732. Locking screw; 8. Adjusting seat; 81. Stop groove; 9. Stop rack; 10. Extension mechanism; 101. Extension part; 102. Extension assembly; 1021. Extension wedge; 1022. Extension screw; 1023. Return spring. Detailed Implementation

[0033] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0034] This application discloses a quick installation structure for instruments inside a metering box.

[0035] Reference Figure 1 The quick-installation structure for instruments inside the metering box includes a support beam 1, a support base 2, a positioning mechanism 3, a fastening assembly 6, a connecting terminal 7, and an extension mechanism 10.

[0036] Reference Figure 1 , Figure 2Multiple support beams 1 are installed vertically and at intervals inside the metering box. An extension mechanism 10 is installed on the support beams 1 and is used to abut against the inner wall of the metering box. The extension mechanism 10 includes an extension portion 101 and an extension assembly 102. One extension portion 101 is slidably installed at each end of the support beam 1, and the sliding direction of the extension portion 101 is towards the length direction of the support beam 1. The extension assembly 102 is installed on the support beam 1 and is used to drive the extension portion 101 to slide away from or towards the support beam 1. The extension assembly 102 includes an extension wedge 1021. An extension screw 1022 and a return spring 1023 are provided. An extension wedge 1021 is slidably mounted on the support beam 1 in a direction perpendicular to the length of the support beam 1. The extension wedge 1021 is inclined on the side near the extension portion 101. An extension screw 1022 is rotatably mounted on the support beam 1 and threaded through the extension wedge 1021. A return spring 1023 is mounted on the support beam 1 and connected to the extension portion 101. The return spring 1023 always has the tendency to drive the extension portion 101 to move closer to the support beam 1.

[0037] First, the operator turns the extension screw 1022, causing the extension wedge 1021 to move away from the extension part 101. The return spring 1023 drives the extension part 101 to slide and retract towards the support beam 1. Then, the support beam 1 is moved into the metering box, and the extension screw 1022 is turned in the opposite direction. The extension screw 1022 drives the extension wedge 1021 to move closer to the extension part 101. The inclined surface of the extension wedge 1021 can then press the extension part 101 away from the support beam 1, causing the extension part 101 to move away from the support beam 1. The extension parts 101 at both ends of the support beam 1 are respectively pressed against the two opposite inner walls of the metering box, thus positioning the support beam 1 inside the metering box. This facilitates the subsequent fixing and installation of the support beam 1 inside the metering box. Furthermore, the support beam 1 and the two extension parts 101 can also support the metering box and improve its structural strength.

[0038] Reference Figure 3 , Figure 4 The support base 2 is used for embedding instruments. The support base 2 has an opening on the side opposite to the support beam 1 and an opening at the top. The support base 2 includes a main body 21, a clamping body 22, and a clamping member 23. The main body 21 has an opening on the side opposite to the support beam 1, and an opening at the top and on one side. The clamping body 22 is slidably installed on one side of the opening of the main body 21 in the direction of the main body 21. The clamping body 22 has an opening on the side opposite to the support beam 1, and an opening at the top and on the side near the main body 21. The clamping member 23 is installed on the main body 21 and is used to drive the clamping body 22 to slide. In this embodiment, the clamping member 23 includes a screw, which is rotatably installed on the main body 21 and threaded through the clamping body 22.

[0039] The operator first uses the clamping component 23 to drive the clamping body 22 away from the main body 21. The main body 21 and the clamping body 22, which are open at the top and open on the side opposite to the support beam 1, allow the operator to directly place the instrument between the main body 21 and the clamping body 22, improving the convenience of embedding the instrument into the support base 2. Then, the clamping component 23 drives the clamping body 22 closer to the main body 21, and the clamping body 22 and the main body 21 can clamp the instrument, making it easy to position and install the instrument on the support base 2. Furthermore, by adjusting the distance between the clamping body 22 and the main body 21, the support base 2 can be adapted to the installation of instruments of different widths and heights.

[0040] Reference Figure 4 , Figure 5 One fastening assembly 6 is installed at each end of the main seat 21 and the clamping body 22 on the side away from the support beam 1. The fastening assembly 6 is used to abut against the instrument on the side away from the support seat 2. The fastening assembly 6 includes a fastening sleeve 61, a fastening rod 62, a fastening block 63, and a fastening spring 64. The fastening sleeve 61 is installed at the end of the main seat 21 or the clamping body 22 on the side away from the support beam 1. The fastening sleeve 61 is hollow inside and open at one end away from the support beam 1. The fastening rod 62 is slidably inserted into the fastening sleeve 61. The fastening block 63 is installed at the end of the fastening rod 62 away from the fastening sleeve 61. In this embodiment, the fastening block 63 is made of rubber. The fastening spring 64... One end is installed on the inner bottom wall of the fastening sleeve 61, and the other end of the fastening spring 64 is installed on the end of the fastening rod 62 near the fastening sleeve 61. The fastening spring 64 always has the tendency to drive the fastening rod 62 to slide towards the fastening sleeve 61. In this embodiment, a connecting rope (not shown in the figure) is installed on the end of the multiple fastening rods 62 away from the fastening sleeve 61. The multiple connecting ropes are connected between the multiple fastening rods 62, so that the operator can pull the multiple connecting ropes away from the support beam 1. The multiple connecting ropes can then pull the multiple fastening rods 62 away from the fastening sleeve 61, making it easier for the operator to place the instrument between the main body 21 and the clamping body 22.

[0041] The operator first moves the locking rod 62 away from the locking sleeve 61, then places the instrument between the main body 21 and the clamping body 22. After releasing the locking rod 62, the locking spring 64 drives the locking rod 62 to move towards the locking sleeve 61. The locking rod 62 drives the locking block 63 to move towards the instrument. The locking block 63 then abuts against the side of the instrument away from the main body 21, thereby keeping the instrument abutting against the main body 21 and the clamping body 22, improving the stability of the instrument on the support 2, and is applicable to the installation of instruments of different thicknesses on the support 2.

[0042] Reference Figure 3 , Figure 4Multiple connecting terminals 7 are installed at the bottom of the main body 21. The connecting terminals 7 are used to position the wires of the connecting instrument. The connecting terminals 7 include end seats 71, locking plates 72 and locking elements 73. Multiple adjusting seats 8 are slidably installed on the main body 21 along the width direction of the main body 21. The multiple end seats 71 are respectively installed on the multiple adjusting seats 8. Multiple stop grooves 81 are opened on the adjusting seats 8. A stop rack 9 is rotatably installed on the main body 21. The stop rack 9 is used to engage with the multiple stop grooves 81.

[0043] The operator rotates the stop rack 9 away from the adjusting seat 8, causing the stop rack 9 to disengage from the stop groove 81 on the adjusting seat 8. Then, the adjusting seat 8 can be slid to adjust its position. After adjustment, the stop rack 9 is rotated closer to the adjusting seat 8, and the stop rack 9 can simultaneously engage with the stop grooves 81 on multiple adjusting seats 8, positioning multiple adjusting seats 8 at the same time. This allows for adjustment of the position of the adjusting seats 8, and consequently, adjustment of the position of the positioning wire.

[0044] Reference Figure 4 Multiple locking plates 72 are slidably mounted on the end seat 71. The multiple locking plates 72 are arranged circumferentially, and the sliding direction of the multiple locking plates 72 is towards the axis of the enclosure. A gap is left between the multiple locking plates 72 for the power supply line to pass through. The side of the multiple locking plates 72 near the end seat 71 is inclined, and the inclination direction of the side of the multiple locking plates 72 near the end seat 71 is the same. The locking member 73 is mounted on the main body 21. The locking member 73 is used to drive the multiple locking plates 72 to move closer or further apart. The locking member 73 includes a locking ring 731 and a locking screw 732. The locking ring 731 is slidably mounted vertically on the end seat 71 and is slidably sleeved on the outer periphery of the multiple locking plates 72. The locking screw 732 is rotatably mounted on the end seat 71 and is threadedly connected to the locking ring 731.

[0045] The operator installs the main seat onto the support beam 1 and adjusts the position of the adjusting seat 8 to position the end seat 71. Then, the wire to be connected to the instrument is passed through the multiple locking plates 72 on the end seat 71. The locking screw 732 is then turned, causing the locking ring 731 to move towards the larger diameter of the locking plates 72. The locking ring 731 gradually abuts against the larger diameter of the locking plates 72, causing the multiple locking plates 72 to clamp the wire. This conveniently positions the wire to be connected to the instrument, facilitating subsequent connection. Furthermore, by adjusting the position of the locking ring 731 against the locking plates 72, the diameter of the gap between the multiple locking plates 72 can be adjusted, making it suitable for clamping wires of different diameters.

[0046] Reference Figure 1 , Figure 2 , Figure 5 The positioning mechanism 3 is installed on the main body 21. The positioning mechanism 3 is used to position the main body 21 on the support beam 1. The positioning mechanism 3 includes an upper clamping plate 31, a lower clamping plate 32, a positioning pin 33, and a control assembly 34. The upper clamping plate 31 is vertically slidably installed on the side of the main body 21 away from the instrument, and the lower clamping plate 32 is vertically slidably installed on the side of the main body 21 away from the instrument. The upper clamping plate 31 and the lower clamping plate 32 are parallel. The support beam 1, which abuts against the upper clamping plate 31, has a transverse... A positioning strip hole 11 is provided, and a positioning pin 33 is vertically slidably installed on the upper clamping plate 31. The positioning pin 33 is slidably inserted into the positioning strip hole 11, and the diameter of the positioning pin 33 is the same as the opening width of the positioning strip hole 11. Multiple positioning protrusions 4 are installed at intervals on the side of the support beam 1 that abuts against the lower clamping plate 32 near the lower clamping plate 32. Multiple anti-slip protrusions 5 are installed on the side of the lower clamping plate 32 near the support beam 1. The anti-slip protrusions 5 are used to be inserted into the gap between adjacent positioning protrusions 4.

[0047] Before the upper clamping plate 31 abuts against the support beam 1, the positioning pin 33 on the upper clamping plate 31 is aligned with the positioning strip hole 11 on the support beam 1. When the upper clamping plate 31 abuts against the support beam 1, the positioning pin 33 is driven to insert into the positioning strip hole 11. The positioning pin 33 can slide along the length direction of the support beam 1 within the positioning strip hole 11, thereby enabling the main seat 21 to be positioned on the support beam 1 along the length direction of the support beam 1. At the same time, the positioning pin 33 can also abut against the side wall of the positioning strip hole 11, restricting the main seat 21 from moving away from the support beam 1. When the lower clamping plate 32 abuts against the support beam 1, the anti-slip protrusion 5 is engaged between the adjacent positioning protrusion 4. The anti-slip protrusion 5 abuts against the positioning protrusion 4, which can also prevent the lower clamping plate 32 from moving along the length direction of the support beam 1, thereby firmly positioning the main seat 21 on the support beam 1 and improving the stability of the support seat 2 on the support beam 1.

[0048] Reference Figure 5The control assembly 34 is mounted on the support base 2. The control assembly 34 drives the upper clamping plate 31 and the lower clamping plate 32 to move towards each other. The control assembly 34 includes a bidirectional screw 341, a control screw 342, and a bevel gear set 343. The bidirectional screw 341 is vertically mounted on the support base 2. Both ends of the bidirectional screw 341 are threaded onto the upper clamping plate 31 and the lower clamping plate 32, respectively. The two threads connecting the bidirectional screw 341 to the upper clamping plate 31 and the lower clamping plate 32 are in opposite directions. The control screw... The rod 342 is rotatably mounted on the support base 2. The control screw 342 extends out of the side of the support base 2. The bevel gear set 343 is mounted on the support base 2. The bevel gear set 343 is used to drive the bidirectional screw 341 to rotate when the control screw 342 rotates. In this embodiment, the bevel gear set 343 includes a driving bevel gear and a driven bevel gear. The driving bevel gear is coaxially mounted on the control screw 342, and the driven bevel gear is coaxially mounted on the bidirectional screw 341. The driving bevel gear meshes with the driven bevel gear.

[0049] The operator moves the main seat 21, causing the upper clamping plate 31 and the lower clamping plate 32 to move to the sides of the two adjacent support beams 1 respectively. Then, the operator turns the control screw 342, which drives the bidirectional screw 341 to rotate through the bevel gear set 343. The bidirectional screw 341 drives the upper clamping plate 31 and the lower clamping plate 32 to move closer to each other, so that the upper clamping plate 31 and the lower clamping plate 32 can press against the two adjacent support beams 1 respectively, thereby positioning the main seat 21 on the support beam 1. This reduces the accuracy requirement for the installation position of the support beam 1 when installing the main seat 21, thus realizing the positioning and installation of the support seat 2 in the metering box. The control screw 342 and the bidirectional screw 341 are connected by the bevel gear set 343, allowing the control screw 342 to extend to the side of the support seat 2, making it easier for the operator to operate.

[0050] The implementation principle of the quick installation structure of the instrument in the metering box according to the embodiment of this application is as follows: First, the operator arranges and installs multiple support beams 1 vertically spaced inside the metering box. Then, the main seat 21 is moved, causing the upper clamping plate 31 and the lower clamping plate 32 to move to the sides of two adjacent support beams 1. At this time, the positioning pin 33 is aligned with the positioning strip hole 11 on the support beam 1. Then, the control screw 342 is turned, causing the bidirectional screw 341 to drive the upper clamping plate 31 and the lower clamping plate 32 closer together. The upper clamping plate 31 and the lower clamping plate 32 can then abut against the two adjacent support beams 1. The positioning pin 33 is inserted into the positioning strip hole 11, preventing the upper clamping plate 31 from moving away from the support beam 1. The anti-slip protrusion 5 is engaged with the adjacent positioning protrusion. Between the plates 4, the lower clamping plate 32 is prevented from moving along the length of the support beam 1, thus facilitating the stable installation of the support base 2 on the support beam 1. Subsequently, the instrument only needs to be moved to insert into the support base 2 through the upper opening of the support base 2. The clamping member 23 drives the clamping body 22 to approach the main body 21 to clamp the two sides of the instrument. The fastening component 6 is pressed against the side of the instrument away from the support base 2, thus facilitating the installation of the instrument on the support base 2. When it is necessary to remove the instrument, the fastening component 6 is released from the instrument, and the clamping body 22 is driven away from the main body to remove the instrument from the support base 2. This effectively improves the efficiency and convenience of installing and removing the instrument in the metering box.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A quick-installation structure for instruments inside a metering box, characterized in that: The instrument includes a support beam (1), a support base (2), and a positioning mechanism (3). Multiple support beams (1) are arranged vertically and vertically within the metering box. The support base (2) is used for embedding the instrument. The positioning mechanism (3) is arranged on the support base (2) and is used to position the support base (2) on the support beam (1). The positioning mechanism (3) includes an upper clamping plate (31), a lower clamping plate (32), a positioning pin (33), and a control component (34). The upper clamping plate (31) is vertically slidably arranged on the support base (2). The lower clamping plate (32) is slidably arranged on the support base (2) in the direction of the upper clamping plate (31). The support beam (1) has a positioning strip hole (11). The positioning pin (33) is slidably arranged on the upper clamping plate (31) and is used to be inserted into the positioning strip hole (11). The control component (34) is arranged on the support base (2) and is used to drive the upper clamping plate (31) and the lower clamping plate (32) to move towards each other.

2. The quick installation structure for instruments inside a metering box according to claim 1, characterized in that: The control component (34) includes a bidirectional screw (341), a control screw (342), and a bevel gear set (343). The bidirectional screw (341) is rotatably mounted on the support base (2). The bidirectional screw (341) is threadedly connected to both the upper clamping plate (31) and the lower clamping plate (32). The two sections of the bidirectional screw (341) connected to the upper clamping plate (31) and the lower clamping plate (32) have opposite thread directions. The control screw (342) is rotatably mounted on the support base (2) and extends to the side of the support base (2). The bevel gear set (343) is mounted on the support base (2) and is used to drive the bidirectional screw (341) to rotate when the control screw (342) rotates.

3. The quick installation structure for instruments inside a metering box according to claim 1, characterized in that: The support beam (1) has multiple positioning protrusions (4) spaced apart on the side near the lower clamping plate (32), and the lower clamping plate (32) has multiple anti-slip protrusions (5) for engaging with adjacent positioning protrusions (4) on the side near the support beam (1).

4. The quick installation structure for instruments inside a metering box according to claim 1, characterized in that: The support base (2) has an opening on the side away from the support beam (1). At the corner of the side of the support base (2) away from the support beam (1), a fastening assembly (6) is provided for abutting against the side of the instrument away from the support base (2). The fastening assembly (6) includes a fastening sleeve (61), a fastening rod (62), a fastening block (63), and a fastening spring (64). The fastening sleeve (61) is provided on the support base (2). The fastening rod (62) is slidably inserted on the fastening sleeve (61). The fastening block (63) is provided at the end of the fastening rod (62) away from the fastening sleeve (61). The fastening spring (64) is provided on the fastening sleeve (61) and is used to drive the fastening rod (62) to slide towards the fastening sleeve (61).

5. The quick installation structure for instruments inside a metering box according to claim 4, characterized in that: The support base (2) has an opening at the top. The support base (2) includes a main body (21), a clamping body (22), and a clamping member (23). The upper clamping plate (31), the lower clamping plate (32), and the control component (34) are all disposed on the main body (21). The clamping body (22) is slidably disposed on the main body (21) in the direction of the main body (21). The clamping member (23) is disposed on the main body (21) and is used to drive the clamping body (22) to slide.

6. The quick-installation structure for instruments inside a metering box according to claim 5, characterized in that: The main body (21) is provided with a plurality of connection terminals (7) for positioning the wires of the instrument. The connection terminal (7) includes an end seat (71), a locking piece (72) and a locking member (73). The end seat (71) is provided on the main body (21). A plurality of locking pieces (72) are slidably provided on the end seat (71). The plurality of locking pieces (72) are arranged circumferentially to leave a gap for the power supply wire to pass through. The locking member (73) is provided on the main body (21) and is used to drive the plurality of locking pieces (72) to move closer or further away from each other.

7. The quick installation structure for instruments inside a metering box according to claim 6, characterized in that: The locking component (73) includes a locking ring (731) and a locking screw (732). The locking ring (731) is slidably disposed on the end seat (71) and sleeved on the outer periphery of a plurality of locking pieces (72). The plurality of locking pieces (72) are inclined in the same direction on the side near the end seat (71). The locking screw (732) is rotatably disposed on the end seat (71) and threadedly connected to the locking ring (731).

8. The quick installation structure for instruments inside a metering box according to claim 6, characterized in that: Multiple adjustment seats (8) are slidably arranged on the main body (21), and multiple end seats (71) are arranged one-to-one on the multiple adjustment seats (8). Multiple stop grooves (81) are opened on the adjustment seats (8), and a stop rack (9) for engaging in the multiple stop grooves (81) is rotatably arranged on the main body (21).

9. The quick installation structure for instruments inside a metering box according to claim 1, characterized in that: The support beam (1) is provided with an extension mechanism (10) for abutting against the inner wall of the metering box. The extension mechanism (10) includes an extension part (101) and an extension component (102). The extension part (101) is slidably provided at both ends of the support beam (1). The extension component (102) is provided on the support beam (1) and is used to drive the extension part (101) to slide away from or towards the support beam (1).

10. The quick-installation structure for instruments inside a metering box according to claim 9, characterized in that: The extension assembly (102) includes an extension wedge (1021), an extension screw (1022), and a return spring (1023). The extension wedge (1021) is slidably disposed on the support beam (1). The side of the extension wedge (1021) near the extension part (101) is inclined. The extension screw (1022) is rotatably disposed on the support beam (1) and threadedly connected to the extension wedge (1021). The return spring (1023) is disposed on the support beam (1) and connected to the extension part (101).

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