Energy-saving frequency conversion cabinet convenient for wiring

Abstract

The utility model relates to the technical field of frequency conversion cabinet processing, and discloses an energy-saving frequency conversion cabinet convenient for wiring, which comprises a cabinet body assembly, a guide rod assembly and a wiring harness assembly, the cabinet body assembly comprises an energy-saving frequency conversion cabinet body, a stable base is fixed at the bottom of the energy-saving frequency conversion cabinet body, and a stable cover plate is fixed on the energy-saving frequency conversion cabinet body. Air exhaust grooves communicated with the interior of the energy-saving frequency conversion cabinet body are formed in the front side of the stable base and the front side of the stable cover plate, a plurality of guide grooves are formed in the side portion of a guide rod, the position of a wire harness fixator on the side portion of the guide rod is adjusted through translation of the wire harness fixator on the side portion of the guide rod, and meanwhile the guide block shrinks towards the interior of a guide clamping groove; according to the wire harness fixing device, the angle of the wire harness fixing device can be rotationally adjusted around the side portion of the guide rod, the guide block slides in the corresponding guide clamping groove, the position of the wire harness fixing device can be adjusted according to the later use requirement of a cable, and the use flexibility of the wire harness fixing device is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency conversion cabinet processing, in particular to an energy-saving frequency conversion cabinet which is convenient for wiring. Background Art

[0002] The frequency conversion cabinet is a control cabinet that uses a frequency converter to drive a power unit. It has become the currently promoted power traction method due to its good starting performance, speed regulation performance and energy-saving effect. Ordinary power cabinets or control cabinets are changed from traditional traction methods to frequency conversion traction methods. In short, the control cabinet that uses a frequency converter to drive a power unit has become the currently promoted power traction method due to its good starting performance, speed regulation performance and energy-saving effect.

[0003] At present, when deploying and laying internal cables in existing energy-saving frequency conversion cabinets, nylon cable ties are often used to tie batches of cables to the sides of internal rack poles. However, after being tied, the cables cannot be disassembled and cannot be adjusted according to subsequent use needs, which has certain defects. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an energy-saving frequency conversion cabinet that is easy to wire, and has the advantages of being able to tie the cables in while being convenient for later disassembly and adjustment. It solves the problem that nylon cable ties are currently used to bundle and fix the cables inside the frequency conversion cabinet, which makes it inconvenient for later disassembly and adjustment.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy-saving frequency conversion cabinet that is easy to wire, comprising a cabinet assembly, a guide rod assembly and a wiring harness assembly, wherein the cabinet assembly comprises an energy-saving frequency conversion cabinet body, a stable base is fixed at the bottom of the energy-saving frequency conversion cabinet body, and a stable cover is fixed on the energy-saving frequency conversion cabinet body, and exhaust slots that are interconnected with the energy-saving frequency conversion cabinet body are provided on the front sides of the stable base and the stable cover, and a cabinet door is hinged on the front side of the energy-saving frequency conversion cabinet body, and the energy-saving frequency conversion cabinet body is composed of a double-layer wall panel, and a stable base is installed at the bottom to achieve the effect of raising the cabinet body to avoid direct contact between the bottom and the ground, which causes the internal moisture, and a stable cover is installed on the top of the cabinet to achieve the effect of sealing the top of the cabinet, and the stable base and the stable cover are both interconnected with the inside of the cabinet, and the air circulation effect in the energy-saving frequency conversion cabinet body is achieved through the exhaust slots, and the cabinet door is closed with the energy-saving frequency conversion cabinet body to achieve the effect of closing and sealing the inside of the cabinet;

[0008] The guide rod assembly includes a guide rod connected to the energy-saving frequency conversion cabinet body, and the wiring harness assembly includes a wiring harness fixture sleeved on the side of the guide rod. The guide rod is installed horizontally or vertically in the energy-saving frequency conversion cabinet body according to the direction in which the line is deployed. The wiring harness fixture is sleeved on the guide rod and translated on the guide rod to achieve the effect of deploying and installing the cable along the guide rod.

[0009] When installing wiring in the energy-saving frequency conversion cabinet, an equipment installation frame is installed in the energy-saving frequency conversion cabinet, and multiple guide rods are installed on the equipment installation frame according to the direction of cable deployment. Multiple harness fixtures are sleeved on the side of the guide rod. The harness passes through the harness fixture and the regulating nut is turned clockwise, so that the limit rod gradually moves forward under the force of the mutual meshing between the side thread of the regulating screw and the inner thread of the connecting piece until the front end of the limit rod is attached to the side of the limit side plate, and at the same time, under the force of the tension spring pushing the reinforcement plate downward, the limit rod gradually moves forward under the force of the mutual meshing between the side thread of the regulating screw and the inner thread of the connecting piece. The harness separation groove fits on the side of the cable, and the cable is separated and fixed in the corresponding harness separation groove, and the bottom of the cable fits in the harness holder, and the guide block enters the guide slot by turning the regulating knob counterclockwise, and the harness holder is turned to adjust the position of the side of the cable position guide rod. When it is adjusted to a suitable position, the guide block enters the inside of the guide groove corresponding to the side of the guide rod by turning the regulating knob clockwise, and after moving to a suitable position on the side of the guide rod, the regulating knob is continuously turned to make the guide block fit tightly inside the guide groove.

[0010] As a further improvement of the above solution, a device mounting frame is fixed in the energy-saving frequency conversion cabinet body, and a mounting panel is fixed between the device mounting frames;

[0011] Through the above technical solution, the equipment mounting frame is used to provide a placement effect for various device equipment in the energy-saving frequency conversion cabinet body, and the power controller is installed through the provided installation panel.

[0012] As a further improvement of the above solution, both ends of the guide rod are provided with fixing knobs, and are threadedly connected between the equipment mounting frames;

[0013] Through the above technical solution, fixed screws are provided at the center positions of both ends of the guide rod. By rotating clockwise, the fixed screws are threadedly connected to the inner wall of the energy-saving frequency conversion cabinet body, and by rotating counterclockwise, the fixed screws are detached from the interior of the energy-saving frequency conversion cabinet body, thereby achieving the effect of disassembling and assembling the guide rod.

[0014] As a further improvement of the above solution, a guide groove is provided on the side of the guide rod, and a guide slot is provided in the harness holder, a guide block is sleeved in the guide slot, and the guide block slides in the guide groove;

[0015] Through the above technical solution, guide grooves are provided on the four opposite surfaces of the side of the guide rod, and the guide block is sleeved in the guide slot, so that the wire harness holder can be rotated and adjusted on the side of the guide rod, and the guide block enters the guide groove, so that the wire harness holder slides up and down on the side of the guide rod, thereby improving the stability of the wire harness holder sliding on the side of the guide rod.

[0016] As a further improvement of the above solution, the side of the harness holder is threadedly connected with an adjusting screw button, and the front end of the adjusting screw button passes through the harness holder and is hinged to the side of the guide block;

[0017] Through the above technical solution, when the regulating knob is rotated clockwise, the guide block enters the guide groove corresponding to the side of the guide rod, thereby improving the stability of the wire harness holder moving on the side of the guide rod, and when the regulating knob is rotated counterclockwise, the guide block enters the guide slot, which can achieve the effect of rotating and adjusting the angle of the wire harness holder around the side of the guide rod.

[0018] As a further improvement of the above solution, a fixing cylinder is provided at one end of the wiring harness holder, a limiting block is fixed in the fixing cylinder, and a limiting rod is sleeved in the fixing cylinder, a limiting slot is provided on the limiting rod, and the limiting block slides in the limiting slot;

[0019] Through the above technical solution, when the limit rod moves back and forth inside the fixed cylinder, the limit block slides inside the limit slide groove, thereby increasing the stability of the limit rod's forward and backward movement and avoiding the effect of the limit rod moving back and forth at the same time when the regulating screw rotates.

[0020] As a further improvement of the above solution, one end of the fixing cylinder is hinged with a regulating nut, a regulating screw is fixed on the side of the regulating nut, and a connecting piece is provided at one end of the limiting rod, and the regulating screw is threadedly connected in the connecting piece;

[0021] Through the above technical solution, when the regulating nut is rotated clockwise, the regulating screw rotates inside the connecting plate, and the limit rod gradually moves forward under the action of the threaded engagement. On the contrary, when the regulating nut is rotated counterclockwise, the limit rod gradually moves backward.

[0022] As a further improvement of the above solution, a limiting side plate is provided at one end of the wiring harness holder, and the front end of the limiting rod is attached to the side of the limiting side plate;

[0023] Through the above technical solution, when the limit rod moves forward, until the front end is close to the side of the limit side plate, the cable is limited to prevent the cable from escaping from the inside of the wire harness holder. On the contrary, the limit rod moves backward and detaches from the side of the limit side plate. At this time, the limited cable can be taken out.

[0024] As a further improvement of the above solution, a tension spring is installed at the bottom of the limit rod, and a reinforcement plate is fixed at one end of the tension spring;

[0025] Through the above technical solution, one end of the tension spring is fixed at the corresponding position of the bottom of the limiting rod, and the other end of the tension spring is fixed at the corresponding position of the side of the reinforcement plate. The tension spring has the effect of expanding and pushing the reinforcement plate to move downward, thereby clamping and fixing the limited cable to prevent the cable from loosening.

[0026] As a further improvement of the above solution, the width of the reinforcing plate matches the spacing between the fixing tube and the limiting side plate, and a harness separation groove is provided at the bottom of the reinforcing plate, and an elastic gasket is bonded in the harness separation groove;

[0027] Through the above technical solution, the width of the reinforcement plate is designed to match the distance between the fixed tube and the limiting side plate, thereby increasing the stability of the up and down movement of the reinforcement plate. When the reinforcement plate moves downward to press the cables, the cables are engaged one by one in the corresponding wire harness separation grooves. At the same time, according to the design of the elastic gasket, cables of different diameters can rebound freely, thereby fixing the cables.

[0028] Compared with the prior art, the utility model provides an energy-saving frequency conversion cabinet that is easy to wire, and has the following beneficial effects:

[0029] 1. The energy-saving frequency converter cabinet which is convenient for wiring is provided with a plurality of guide rods which are installed in combination horizontally or vertically in the frequency converter cabinet body according to the path of cable deployment and installation, and a plurality of harness fixers are sleeved on the sides of the guide rods. The harness fixers can be freely translated and adjusted on the sides of the guide rods, so that the cables can be conveniently fixed.

[0030] 2. The energy-saving frequency conversion cabinet, which is convenient for wiring, has a plurality of guide grooves on the side of the guide rod. The wire harness holder is translated on the side of the guide rod to adjust the position of the wire harness holder on the side of the guide rod. At the same time, the guide block is retracted into the guide slot, so that the angle of the wire harness holder can be rotated around the side of the guide rod, and the guide block slides in the corresponding guide slot, so that the position of the wire harness holder can be adjusted according to the later use requirements of the cable, further improving its flexibility of use.

[0031] 3. The energy-saving frequency converter cabinet which is convenient for wiring has a reinforcement plate installed at the bottom of the limit rod. When the limit rod and the limit side plate are closed, the cables are fixed. At the same time, the tension spring pushes the reinforcement plate downward so that the cables are installed equidistantly in the corresponding harness separation grooves. The resilience of the internal elastic gasket allows cables of different diameters to be fixed, further improving the stability of the cable fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the overall external structure of the device of the utility model;

[0033] Figure 2 This is a schematic diagram of the overall internal structure of the device of the utility model;

[0034] Figure 3 This is a schematic diagram of the connection structure between the guide rod assembly and the wiring harness assembly of the utility model;

[0035] Figure 4 This is a schematic diagram of the overall front view structure of the wiring harness assembly of the utility model;

[0036] Figure 5 This is a schematic diagram of the overall rear view structure of the wiring harness assembly of the utility model;

[0037] Figure 6 This is a schematic diagram of the overall bottom structure of the wiring harness assembly of the utility model;

[0038] Figure 7 This is a schematic diagram of the overall planar structure of the wiring harness assembly of the utility model;

[0039] Figure 8 This is a schematic diagram of the overall connection structure of the regulating screw rod and the limiting rod of the utility model;

[0040] Fig. 9 For this utility model Figure 3 Schematic diagram of the structure at point A in the middle.

[0041] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0042] 1. Cabinet assembly; 101. Inverter cabinet body; 102. Stable base; 103. Stable cover; 104. Exhaust slot; 105. Cabinet door; 106. Equipment mounting frame; 107. Mounting panel;

[0043] 2. Guide rod assembly; 201. Guide rod; 202. Guide groove; 203. Fixing screw;

[0044] 3. Wiring harness assembly; 301. Wiring harness holder; 302. Guide slot; 303. Guide block; 304. Adjustment knob; 305. Fixing cylinder; 306. Adjustment nut; 307. Adjustment screw; 309. Limit rod; 310. Limit slide groove; 311. Limit block; 312. Connecting piece; 313. Limit side plate; 314. Tension spring; 315. Reinforcement plate; 316. Wiring harness separation groove; 317. Elastic gasket. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0046] Embodiment 1

[0047] See also Figure 1-9 As shown, the energy-saving frequency conversion cabinet for easy wiring proposed in this embodiment includes a cabinet assembly 1, a guide rod assembly 2 and a wiring harness assembly 3. The cabinet assembly 1 includes an energy-saving frequency conversion cabinet body 101, a stable base 102 is fixed at the bottom of the energy-saving frequency conversion cabinet body 101, and a stable cover 103 is fixed on the energy-saving frequency conversion cabinet body 101. The front sides of the stable base 102 and the stable cover 103 are both provided with exhaust slots 104 that are interconnected with the energy-saving frequency conversion cabinet body 101. At the same time, a cabinet door 105 is hinged on the front side of the energy-saving frequency conversion cabinet body 101. 1 is composed of double-layer wall panels, and a stable base 102 is installed at the bottom to raise the cabinet body, so as to avoid direct contact between the bottom and the ground, which may cause moisture inside the cabinet. At the same time, a stable cover 103 is installed on the top of the cabinet to seal the top of the cabinet. At the same time, the stable base 102 and the stable cover 103 are interconnected with the inside of the cabinet. At the same time, the exhaust slot 104 is opened to achieve the air circulation effect in the energy-saving frequency conversion cabinet body 101, and the cabinet door 105 is closed with the energy-saving frequency conversion cabinet body 101 to achieve the effect of closing and sealing the inside of the cabinet;

[0048] The guide rod assembly 2 includes a guide rod 201 connected to the energy-saving frequency conversion cabinet body 101, and the wiring harness assembly 3 includes a wiring harness fixture 301 sleeved on the side of the guide rod 201. The guide rod 201 is installed horizontally or vertically in the energy-saving frequency conversion cabinet body 101 according to the direction in which the line is deployed. By sleeve-connecting the wiring harness fixture 301 on the guide rod 201 and translating it on the guide rod 201, the effect of deploying and installing the cable along the guide rod 201 is achieved.

[0049] The working principle of the energy-saving frequency conversion cabinet for easy wiring proposed in this embodiment is: when in use, by installing an equipment mounting frame 106 in the energy-saving frequency conversion cabinet body 101, multiple guide rods 201 are installed on the equipment mounting frame according to the direction of cable deployment, and multiple wire harness fixers 301 are sleeved on the side of the guide rod 201. By passing the wire harness through the wire harness fixer 301, by turning the regulating nut 306 clockwise, the side thread of the regulating screw 307 and the inner thread of the connecting piece 312 are engaged with each other, and the limiting rod 309 gradually moves forward until the front end of the limiting rod 309 is attached to the side of the limiting side plate 313, and at the same time, under the force of the tension spring 314 expanding and pushing the reinforcement plate 315 downward, the limiting rod 309 is gradually moved forward. The harness separation groove 316 is fitted on the side of the cable, and the cable is separated and fixed in the corresponding harness separation groove 316, and the bottom of the cable is fitted in the harness holder 301, and the adjusting knob 304 is turned counterclockwise to make the guide block 303 enter the guide slot 302, and the harness holder 301 is rotated to adjust the position of the side of the cable position guide rod 201. When it is adjusted to a suitable position, the adjusting knob 304 is turned clockwise to make the guide block 303 enter the inside of the guide groove 202 corresponding to the side of the guide rod 201, and after moving to a suitable position on the side of the guide rod 201, the adjusting knob 304 is continuously turned to make the guide block 303 close to the inside of the guide groove 202.

[0050] Embodiment 2

[0051] See also Figure 1-9As shown, the energy-saving frequency conversion cabinet for easy wiring mentioned in this embodiment, on the basis of embodiment 1, also includes an energy-saving frequency conversion cabinet body 101 with an equipment mounting frame 106 fixed therein, and a mounting panel 107 fixed between the equipment mounting frames 106, both ends of the guide rod 201 are provided with fixing screws 203, and are threadedly connected between the equipment mounting frames 106, a guide groove 202 is provided on the side of the guide rod 201, and a guide slot 302 is provided in the harness fixture 301, a guide block 303 is sleeved in the guide slot 302, and the guide block 303 slides in the guide slot 202, a regulating screw 304 is threadedly connected to the side of the harness fixture 301, and the front end of the regulating screw 304 passes through the harness fixture 301 and is hinged to the side of the guide block 303, a fixing cylinder 305 is provided at one end of the harness fixture 301, and a limiting block 311 is fixed in the fixing cylinder 305, and The fixed cylinder 305 is sleeved with a limit rod 309, and a limit slot 310 is provided on the limit rod 309. The limit block 311 slides in the limit slot 310. One end of the fixed cylinder 305 is hinged with a regulating nut 306, and a regulating screw 307 is fixed to the side of the regulating nut 306. At the same time, a connecting piece 312 is provided at one end of the limit rod 309, and the regulating screw 307 is threadedly connected in the connecting piece 312. One end of the harness holder 301 is provided with The limiting side plate 313, the front end of the limiting rod 309 is attached to the side of the limiting side plate 313, the bottom of the limiting rod 309 is installed with a tension spring 314, and a reinforcing plate 315 is fixed to one end of the tension spring 314, the width of the reinforcing plate 315 is consistent with the spacing between the fixing tube 305 and the limiting side plate 313, and at the same time, a wire harness separation groove 316 is opened at the bottom of the reinforcing plate 315, and an elastic gasket 317 is bonded in the wire harness separation groove 316;

[0052] In this embodiment, the equipment mounting frame 106 is used to place the various devices in the energy-saving frequency conversion cabinet body 101. The power controller is installed through the installation panel 107. The center positions of both ends of the guide rod 201 are provided with fixing screws 203. By rotating clockwise, the fixing screws 203 are threadedly connected to the inner wall of the energy-saving frequency conversion cabinet body 101, and by rotating counterclockwise, the fixing screws 203 are separated from the inside of the energy-saving frequency conversion cabinet body 101, thereby achieving the effect of disassembling and assembling the guide rod 201. The four opposite surfaces of the side of the guide rod 201 are provided with guide grooves 202, and the guide blocks 303 are sleeved in the guide slots 302, so that the harness holder 301 can be on the guide rod 2 01 is rotated and adjusted, and the guide block 303 enters the guide groove 202, so that the harness holder 301 slides up and down on the side of the guide rod 201, improving the stability of the harness holder 301 sliding on the side of the guide rod 201. When the regulating knob 304 is rotated clockwise, the guide block 303 enters the inside of the guide groove 202 corresponding to the side of the guide rod 201, improving the stability of the harness holder 301 moving on the side of the guide rod 201. When the regulating knob 304 is rotated counterclockwise, the guide block 303 enters the guide slot 302, and the angle of the harness holder 301 can be rotated and adjusted around the side of the guide rod 201. When the limit rod 309 moves back and forth inside the fixing cylinder 305, the limit block 311 slides inside the limiting slide groove 310, thereby increasing the stability of the limiting rod 309 moving forward and backward, avoiding the effect of the limiting rod 309 moving forward and backward at the same time when the regulating screw 307 rotates. When the regulating nut 306 is rotated clockwise, the regulating screw 307 rotates inside the connecting piece 312, and the limiting rod 309 gradually moves forward under the action of the threaded engagement. On the contrary, when the regulating nut 306 is rotated counterclockwise, the limiting rod 309 gradually moves backward. When the limiting rod 309 moves forward, until the front end is tightly attached to the side of the limiting side plate 313, the cable is limited to avoid the cable from being separated from the inside of the wiring harness holder 301. On the contrary, the limiting rod 309 moves backward and separates from the limiting side plate. The side of the plate 313 can now take out the limited cable. One end of the tension spring 314 is fixed to the corresponding position at the bottom of the limiting rod 309, and the other end of the tension spring 314 is fixed to the corresponding position on the side of the reinforcing plate 315. The tension spring 314 has the effect of expanding and pushing the reinforcing plate 315 to move downward, thereby clamping and fixing the limited cable to prevent the cable from loosening. The width of the reinforcing plate 315 is designed to match the spacing between the fixing tube 305 and the limiting side plate 313, thereby increasing the stability of the reinforcing plate 315 in moving up and down. When the reinforcing plate 315 moves downward to press the cables, the cables are engaged one by one in the corresponding harness separation grooves 316. At the same time, according to the design of the elastic gasket 317,It can rebound freely for cables of different diameters and fix the cables.

[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving frequency conversion cabinet that is easy to wire, comprising a cabinet assembly (1), a guide rod assembly (2) and a wiring harness assembly (3), characterized in that: The cabinet assembly (1) comprises an energy-saving frequency conversion cabinet body (101), a stable base (102) is fixed at the bottom of the energy-saving frequency conversion cabinet body (101), and a stable cover plate (103) is fixed on the energy-saving frequency conversion cabinet body (101), and exhaust slots (104) that communicate with the energy-saving frequency conversion cabinet body (101) are provided on the front sides of the stable base (102) and the stable cover plate (103), and a cabinet door (105) is hinged on the front side of the energy-saving frequency conversion cabinet body (101); The guide rod assembly (2) comprises a guide rod (201) connected inside the energy-saving frequency conversion cabinet body (101); The wire harness assembly (3) comprises a wire harness fixer (301) sleeved on the side of the guide rod (201).

2. The energy-saving frequency conversion cabinet that is easy to wire according to claim 1 is characterized in that: An equipment mounting frame (106) is fixed inside the energy-saving frequency conversion cabinet body (101), and an installation panel (107) is fixed between the equipment mounting frames (106).

3. An energy-saving frequency conversion cabinet that is easy to wire according to claim 1 or 2, characterized in that: Both ends of the guide rod (201) are provided with fixing screws (203) and are threadedly connected between the equipment mounting frames (106).

4. The energy-saving frequency conversion cabinet that is easy to wire according to claim 3 is characterized in that: The side of the guide rod (201) is provided with a guide groove (202), and the wire harness holder (301) is provided with a guide slot (302). A guide block (303) is sleeved in the guide slot (302), and the guide block (303) slides in the guide groove (202).

5. The energy-saving frequency conversion cabinet that is easy to wire according to claim 4 is characterized in that: The side of the harness fixer (301) is threadedly connected with an adjusting screw button (304), and the front end of the adjusting screw button (304) passes through the harness fixer (301) and is hinged to the side of the guide block (303).

6. The energy-saving frequency conversion cabinet that is easy to wire according to claim 5 is characterized in that: A fixing tube (305) is provided at one end of the harness fixer (301), a limiting block (311) is fixed in the fixing tube (305), and a limiting rod (309) is sleeved in the fixing tube (305), a limiting slide groove (310) is provided on the limiting rod (309), and the limiting block (311) slides in the limiting slide groove (310).

7. The energy-saving frequency conversion cabinet that is easy to wire according to claim 6 is characterized in that: One end of the fixing cylinder (305) is hinged with an adjusting nut (306), and an adjusting screw rod (307) is fixed on the side of the adjusting nut (306). At the same time, one end of the limiting rod (309) is provided with a connecting piece (312), and the adjusting screw rod (307) is threadedly connected in the connecting piece (312).

8. The energy-saving frequency conversion cabinet that is easy to wire according to claim 6 is characterized in that: A limiting side plate (313) is provided at one end of the wire harness holder (301), and the front end of the limiting rod (309) is attached to the side of the limiting side plate (313).

9. The energy-saving frequency conversion cabinet that is easy to wire according to claim 8, characterized in that: A tension spring (314) is installed at the bottom of the limiting rod (309), and a reinforcing plate (315) is fixed to one end of the tension spring (314).

10. The energy-saving frequency conversion cabinet with convenient wiring according to claim 9, characterized in that: The width of the reinforcing plate (315) matches the spacing between the fixing tube (305) and the limiting side plate (313), and a wire harness separation groove (316) is provided at the bottom of the reinforcing plate (315), and an elastic gasket (317) is bonded in the wire harness separation groove (316).

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