Power distribution feed terminal convenient to overhaul

Abstract

The invention relates to the technical field of power distribution maintenance, in particular to a power distribution feed terminal convenient to maintain, which comprises a shell, and further comprises a door body, a sliding groove, a rack, a driving assembly, a mounting frame, a wire arrangement frame, an instrument and an adjusting table, the door body is slidably connected to the front end of the shell, the sliding groove is formed in the rear side of the door body, the rack is connected in the sliding groove, and the driving assembly is arranged in the sliding groove. The driving assembly is connected to the left side of an inner cavity of the shell, the mounting frame and the wire arrangement frame are arranged in the inner cavity of the shell in a front-back mode and are both connected with the driving assembly, the adjusting table is connected to the bottom of the inner cavity of the shell, and the instrument is connected to the mounting frame. And when the instrument is pushed out, the instrument is axially inclined, so that a worker can conveniently raise the head to observe the display state of the instrument, the climbing of the maintainer is reduced, and the effect of improving the maintenance efficiency is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of distribution maintenance, and specifically to a distribution feeder terminal convenient for maintenance. Background Art

[0002] A distribution feeder terminal refers to a distribution terminal installed on distribution network overhead line poles, etc. It is used for power supply such as AC power transmission above 750 kV, large-scale power grid security guarantee and defense systems, and intelligent dispatching systems. When an interphase short circuit or single-phase ground fault occurs on the line on the load side of the switch, the distribution feeder terminal detects the fault current, uploads the alarm information to the automation master station in a timely manner, and at the same time receives the control command from the master station to quickly locate and isolate the line fault area, and quickly restore the power supply to the fault-free line area. The distribution feeder terminal includes two types: hood type and box type. Among them, the box-type distribution feeder terminal is often laid on sections with frequent maintenance due to its advantage of being easy to open and close.

[0003] Multiple meters are installed inside the box-type distribution feeder terminal to monitor different states of the line. When maintenance is required, the protective door of the box can be opened so that the staff can perform maintenance outside the box. When the box-type distribution feeder terminal is installed on a utility pole, in order to avoid pedestrians, it has a certain installation height. Therefore, it is necessary to climb onto the utility pole for maintenance during maintenance. Moreover, when the staff is performing maintenance, the operating space is limited by the size of the protective door, and its operating angle is limited, which makes maintenance inconvenient. In view of the above problems, some solutions have been proposed in the prior art. For example, by setting a pushing mechanism, using the power generated when opening the door to drive the meter to extend out of the box, thereby expanding the operating space and achieving the purpose of facilitating maintenance. However, when the distribution feeder terminal is installed in a railway section, the vibration generated by the high-speed train running is likely to damage the precision structure inside the meter, and the feedback after damage will be directly displayed on the instrument panel. The meter extends vertically. During maintenance, the sunlight will affect the display of the meter, resulting in that the maintenance personnel still need to climb onto the utility pole to determine the state of the meter, thereby resulting in low maintenance efficiency.

[0004] Therefore, a distribution feeder terminal convenient for maintenance is proposed. Summary of the Invention

[0005] The purpose of the present invention is to provide a distribution feeder terminal convenient for maintenance, which solves the problem of inconvenient maintenance caused by the high installation height when the distribution feeder terminal is installed on a utility pole, etc. By movably arranging the meter, when the meter is pushed out, the meter tilts downward. On the one hand, it enables the personnel to look up to determine the state of the meter, reducing the climbing work of the personnel. On the other hand, it improves the maintenance space for the personnel to the meter, thereby achieving the purpose of improving the maintenance efficiency.

[0006] To achieve the above object, the present invention provides the following technical solutions: A distribution feeder terminal convenient for maintenance, including a housing, further including a door body, a chute, a rack, a driving assembly, a mounting rack, a wire arranging rack, an instrument and an adjusting table. The door body is slidably connected to the front end of the housing. The chute is opened on the rear side of the door body. The rack is connected in the chute. The driving assembly is connected to the left side of the inner cavity of the housing. The mounting rack and the wire arranging rack are arranged front and rear in the inner cavity of the housing, and both the mounting rack and the wire arranging rack are connected to the driving assembly. The adjusting table is connected to the bottom of the inner cavity of the housing. The instrument is connected to the mounting rack. When the door is opened, the rack drives the mounting rack and the wire arranging rack to move forward through the driving assembly. When the mounting rack moves forward, it drives the instrument to gradually extend out of the housing, and when the mounting rack moves to a specified position, the adjusting table drives the instrument to tilt through the mounting rack.

[0007] Through the above solution, the instrument is pushed out of the housing, which is convenient for maintenance. At the same time, after the instrument is pushed out of the housing, the instrument tilts to different degrees from top to bottom, so as to achieve the purpose of facilitating observation when the distribution feeder terminal is installed on the roadside pole.

[0008] Preferably, the driving assembly includes a shaft rod, a moving gear, a main gear, a screw rod and a driven gear. The shaft rod is connected to the left side of the inner cavity of the housing. The moving gear is connected to the outer surface of the shaft rod. The main gear is connected to the upper end of the shaft rod. The screw rod is connected to the left side of the top of the inner cavity of the housing. The driven gear is connected to the front end of the screw rod, and the driven gear meshes with the main gear. Both the mounting rack and the wire arranging rack are connected to the screw rod. When the rack moves to a specified position, it meshes with the moving gear. The number of teeth of the main gear is greater than that of the driven gear.

[0009] Through the above solution, the number of teeth of the main gear is greater than that of the driven gear, so that when the rack drives the shaft rod to rotate, the screw rod can rotate more turns, which is convenient for pushing the mounting rack and the wire arranging rack forward.

[0010] Preferably, the wire arranging rack includes a moving plate and wire clamps. The moving plate is connected to the inner cavity of the housing. The left side of the moving plate is connected to the screw rod. The wire clamps are arrayed and connected to the front side of the moving plate.

[0011] Through the above solution, it is convenient to arrange the cables. When the screw rod rotates, it can drive the moving plate to move, thereby adjusting the position of the cables, effectively ensuring the stability of the connection between the cables and the instrument.

[0012] Preferably, the mounting rack includes a mounting plate, an adjusting member and a clamping plate. The mounting plate is connected to the left and right sides of the inner cavity of the housing. The left mounting plate is connected to the screw rod. The two adjusting members are respectively connected to the adjacent sides of the two mounting plates. The clamping plate is connected between the two adjusting members.

[0013] Through the above solution, when the screw rotates, it can drive the mounting plate to move. Furthermore, when driving the clamping plate through the adjusting member, the movement of the clamping plate drives the instrument to move, causing the instrument to move towards the opening of the housing, achieving the purpose of facilitating the improvement of the maintenance space for the instrument.

[0014] Preferably, the pitch of the thread groove on the surface of the screw gradually increases from back to front. Sliders are connected to the inner walls of the moving plate and the mounting plate at their relative positions with the screw, and the sliders are arranged in the thread grooves on the surface of the screw.

[0015] Through the above solution, the pitch of the thread groove on the surface of the screw gradually increases from back to front. Furthermore, during the process of the screw driving the mounting frame and the wire management frame to move forward, the forward movement speed of the mounting frame is greater than that of the wire management frame, thereby causing the instrument to form a pulling force on the cable, achieving the purpose of being able to detect the connection strength between the instrument and the cable.

[0016] Preferably, the adjusting member includes a fixed plate, a misaligned plate, and a positioning groove. The fixed plate and the misaligned plate are respectively connected to the front and rear sides of the adjacent sides of the mounting plate. The misaligned plate is slidably connected to the mounting plate. The fixed plate is provided with an array of positioning grooves. A roller is connected to the lower end surface of the misaligned plate. When the roller does not contact the adjusting table, the hinge point of the clamping plate and the misaligned plate is located below the lowest point of the adjacent positioning groove.

[0017] Through the above solution, the top plate can form a vertical support for the clamping plate, causing the clamping plate to remain vertical. And when the misaligned plate moves upward, the clamping plate is tilted, and then the instrument is tilted, achieving the purpose of facilitating the viewing of the numerical value of the instrument installed at a high position.

[0018] Preferably, the lower end surface of the positioning groove is inclined, and the inclination angles of the lower end surfaces of multiple positioning grooves with respect to the horizontal plane gradually increase from top to bottom.

[0019] Through the above solution, the inclination angles of the lower end surfaces of multiple positioning plates are different, thereby realizing different inclination angles between the upper and lower parts of the instrument, and facilitating personnel to maintain the instrument at a low position.

[0020] Preferably, the rear end of the adjusting table is provided with an inclined surface, and the roller contacts the inclined surface of the adjusting table when it moves to the specified position.

[0021] Through the above solution, a roller is connected to the lower end surface of the misaligned plate, which can support the misaligned plate, facilitating the screw to drive the misaligned plate to slide. At the same time, the rear end surface of the adjusting table is inclined, facilitating the roller to move to the surface of the adjusting table.

[0022] Preferably, a bent part is connected to the middle of the front end of the wire clamp. The other end of the bent part is connected with a straight part. The bent part is made of elastic plastic material. In the front view, the instrument is located between two adjacent wire clamps above and below.

[0023] With the above solution, the bent part is made of elastic plastic material. On the one hand, it can adapt to cables of different sizes and clamp cables of different sizes. On the other hand, when the instrument pulls the cable, it can deform adaptively to avoid excessive stress on the cable.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. The present invention solves the problem of inconvenient maintenance caused by the high installation distance when the distribution feeder terminal is installed on utility poles and the like. By setting a screw, the screw is connected to the mounting bracket and the wire management bracket. The rotation of the screw can push the instrument out, thus facilitating maintenance. Moreover, the pitch of the screw surface gradually increases from the rear to the front. On the one hand, this makes the mounting bracket and the wire management bracket connected to the screw gradually increase the distance between them while moving forward, thereby realizing the pulling of the cable between the mounting bracket and the wire management bracket to verify the firmness of the connection between the cable and the instrument, reducing the maintenance steps and improving the maintenance efficiency. On the other hand, the initial pitch of the screw is small, which can effectively reduce the resistance required to push the mounting bracket and the wire management bracket to slide, thus achieving the purpose of facilitating door opening for maintenance.

[0025] 2. By setting wire clamps, the single cables connected to the instrument extend from individual wire clamps. During maintenance, the pulling force of the wire clamps can drive the loose cables to move backward, thereby increasing the distance between the cables and the instrument, achieving the purpose of facilitating inspection and determining the firmness of the connection. At the same time, the bent part of the wire clamp pushes the straight part to fit on the surface of the cable, determining the length of the cable from the wire clamp to the instrument part, ensuring the inspection effect of the firmness of the cable after the distance between the instrument and the wire clamp is increased.

[0026] 3. By setting an adjustment platform, during the forward movement of the mounting plate, the lower end of the misalignment plate will be supported, causing the misalignment plate to move upward. As a result, the clamping plate will be inclined and fit into the positioning groove, causing the instrument to tilt, thus conforming to the perspective of looking up and maintaining the utility pole during maintenance, achieving the purpose of facilitating maintenance. At the same time, the upward movement of the instrument can make the upper cable closer to the adjacent wire rack, thereby shortening the distance between the two ends of the fixed cable to avoid excessive tension on the cable. At the same time, after rotation, the upper cable can be tightened and protrude forward and upward, achieving a good display perspective and thus facilitating maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic structural diagram of the whole of the present invention; Figure 2 is a schematic structural diagram of the driving component part of the present invention; Figure 3 is a schematic structural diagram of the mounting bracket part of the present invention; Figure 4 is a schematic structural diagram of the adjusting part of the present invention; Figure 5For the present invention Figure 4 The enlarged schematic view at position B in the present invention; Figure 6 For the present invention Figure 3 The enlarged schematic view at position A in the present invention; Figure 7 The structural schematic view of the present invention from the front view perspective; Figure 8 The state schematic view after the instrument of the present invention extends out.

[0028] In the figure: 1. Outer shell; 2. Door body; 3. Slide groove; 4. Rack; 5. Driving assembly; 501. Shaft rod; 502. Moving gear; 503. Main gear; 504. Driven gear; 505. Screw; 6. Mounting bracket; 601. Mounting plate; 602. Adjusting member; 6021. Fixed plate; 6022. Dislocation plate; 6023. Positioning groove; 603. Clamping plate; 7. Cable organizing rack; 701. Moving plate; 702. Cable clip; 7021. Bent part; 7022. Straight part; 8. Instrument; 9. Adjusting table; 10. Slide block; 11. Roller. Detailed implementation manners

[0029] Next, in combination with the accompanying drawings of the embodiments in the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described, making its working state and structural features more detailed. Obviously, the described embodiments are only partial embodiments of the present invention, not complete embodiments. Based on the embodiments of the present invention, other embodiments obtained by those of ordinary skill in the art without making creative efforts all fall within the protection scope of the present invention.

[0030] Please refer to Figures 1 to 8 , the present invention provides a distribution feeder terminal convenient for maintenance, and the technical solution is as follows: Specifically, please refer to Figures 1 to 8, A distribution feeder terminal convenient for maintenance, used for AC power transmission above 750 kV and large-scale power grids, to realize the power supply of the safety guarantee and defense system of the control power grid and the intelligent dispatching system, etc. When an interphase short circuit or single-phase grounding occurs in the load side line of the distribution feeder terminal, the distribution feeder terminal detects the fault current, uploads the alarm information to the automation master station in time, and at the same time receives the control command of the master station, realizes the rapid positioning and isolation of the line fault area, optimizes the line and shrinks the fault area, so as to quickly restore the power supply of the fault-free line area, including a housing 1, the housing 1 is connected to the road pole tower by screws and fixed at a high place to ensure that pedestrians will not contact the housing 1 when walking, and also includes a door body 2, a chute 3, a rack 4, a driving component 5, a mounting frame 6, a wire arranging frame 7, an instrument 8 and an adjusting table 9. The door body 2 is slidably connected to the front end of the housing 1, the sliding direction of the door body 2 is left and right, the chute 3 is opened on the rear side of the door body 2, the rack 4 is connected in the chute 3, the rack 4 is located on the right side of the door body 2, the driving component 5 is connected to the left side of the inner cavity of the housing 1. When the door body 2 is opened to the end, it will drive the rack 4 to contact the driving component 5. Furthermore, in the initial stage of opening the door body 2, it is convenient to store power to achieve the purpose of facilitating the driving of the driving component 5. The mounting frame 6 and the wire arranging frame 7 are arranged front and back in the inner cavity of the housing 1, and both the mounting frame 6 and the wire arranging frame 7 are connected to the driving component 5. The driving component 5 can drive the mounting frame 6 and the wire arranging frame 7 to move. The adjusting table 9 is connected to the bottom of the inner cavity of the housing 1, the instrument 8 is connected to the mounting frame 6, the surface of the instrument 8 is connected with a cable, an inlet is opened at the lower end of the housing 1, the cable enters the housing 1 from the inlet, and after being arranged by the wire arranging frame 7, it is connected to the instrument 8. When opening the door, the rack 4 drives the mounting frame 6 and the wire arranging frame 7 to move forward through the driving component 5. When the mounting frame 6 moves forward, it drives the instrument 8 to gradually extend out of the housing 1, and when the mounting frame 6 moves to a specified position, the adjusting table 9 drives the instrument 8 to tilt through the mounting frame 6.

[0031] By setting the rack 4, the rack 4 is installed on the door body 2. During the opening and closing process of the door body 2, it will drive the rack 4 to contact the driving component 5, so that the driving component 5 drives the mounting frame 6 and the wire arranging frame 7 to move. The movement of the mounting frame 6 adjusts the position of the instrument 8. When opening the door, the mounting frame 6 pushes the instrument 8 out of the housing 1, thus achieving the purpose of facilitating maintenance. During the movement of the mounting frame 6, it will contact the adjusting table 9, so that the instrument 8 tilts, thus facilitating the observation of the instrument 8 at a low position, and having the effect of reducing the need to climb when detecting the instrument 8.

[0032] As an implementation manner of the present invention, refer to Figure 2 、 Figure 3 、 Figure 4 and Figure 8, the driving component 5 includes a shaft rod 501, a moving gear 502, a main gear 503, a screw rod 505 and a driven gear 504. The shaft rod 501 is rotatably connected to the left side of the inner cavity of the housing 1. The moving gear 502 is fixedly connected to the outer surface of the shaft rod 501. The main gear 503 is connected to the upper end of the shaft rod 501. When the shaft rod 501 rotates, it drives the main gear 503 to rotate. The screw rod 505 is connected to the left side of the top of the inner cavity of the housing 1. The screw rod 505 is rotatably connected to the housing 1. The driven gear 504 is connected to the front end of the screw rod 505, and the driven gear 504 meshes with the main gear 503. The mounting bracket 6 and the cable management bracket 7 are both connected to the screw rod 505. When the rack 4 moves to the designated position, it meshes with the moving gear 502. The rotation of the moving gear 502 will drive the shaft rod 501 to rotate, and then drive the main gear 503 to rotate. The main gear 503 drives the screw rod 505 to rotate through the driven gear 504, and then drives the mounting bracket 6 and the cable management bracket 7 to move. The number of teeth of the main gear 503 is greater than the number of teeth of the driven gear 504, thereby increasing the rotation speed of the driven gear 504 and increasing the moving distance of the cable management bracket 7 and the mounting bracket 6. The cable management bracket 7 includes a moving plate 701 and a wire clamp 702. The moving plate 701 is slidably connected to the inner cavity of the housing 1. The left side of the moving plate 701 is connected to the screw rod 505. The wire clamps 702 are arranged in an array on the front side of the moving plate 701. The main cable to be connected passes through the wire clamps 702 from both sides nearby and extends out at the instrument 8 to be connected. The mounting bracket 6 includes a mounting plate 601, an adjusting member 602 and a clamping plate 603. The mounting plates 601 are connected to the left and right sides of the inner cavity of the housing 1. The mounting plates 601 are slidably connected to the housing 1. The left mounting plate 601 is connected to the screw rod 505. When the screw rod 505 rotates, it drives the mounting plate 601, the adjusting member 602 and the clamping plate 603 to move. The two adjusting members 602 are respectively connected to the adjacent sides of the two mounting plates 601. The clamping plate 603 is connected between the two adjusting members 602. The pitch of the thread groove on the surface of the screw rod 505 gradually increases from the rear to the front. The position of the mounting bracket 6 on the screw rod 505 is located in front of the cable management bracket 7. Therefore, when the screw rod 505 rotates, the moving speed of the mounting bracket 6 is greater than the moving speed of the cable management bracket 7. Sliders 10 are connected to the inner walls of the relative positions of the moving plate 701 and the mounting plate 601 with respect to the screw rod 505. The sliders 10 are arranged in the thread grooves on the surface of the screw rod 505.

[0033] By setting the driving component 5, when the door body 2 is opened, the driving gear 502 will be driven to rotate. The driving gear 502 drives the screw rod 505 to rotate through the main gear 503 and the driven gear 504. The rotation of the screw rod 505 drives the mounting bracket 6 and the wire arranging bracket 7 to move forward. By making the pitch of the thread groove on the surface of the screw rod 505 gradually increase from the back to the front. Furthermore, when the screw rod 505 starts to rotate, the distance that the mounting bracket 6 and the wire arranging bracket 7 are pushed to move is shorter. Moreover, the initial resistance for the mounting bracket 6 and the wire arranging bracket 7 to move is less, which is convenient for the opening of the door body 2. At the same time, the change in the pitch of the thread groove of the screw rod 505 will increase the distance between the mounting bracket 6 and the wire arranging bracket 7. As a result, the cable between the mounting bracket 6 and the wire arranging bracket 7 is straightened and a certain pulling force is applied. Thus, the connection point between the cable and the instrument 8 bears a certain pulling force, achieving the purpose of verifying the firmness of the connection between the cable and the instrument 8.

[0034] As an implementation manner of the present invention, referring to Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8, the adjusting member 602 includes a fixed plate 6021, a misaligned plate 6022 and a positioning groove 6023. The fixed plate 6021 and the misaligned plate 6022 are respectively connected to the front and rear sides of the adjacent sides of the mounting plate 601. The fixed plate 6021 is fixedly connected to the mounting plate 601, and the misaligned plate 6022 is slidably connected to the mounting plate 601, and the misaligned plate 6022 can slide relative to the fixed plate 6021. The positioning grooves 6023 are arranged in an array on the fixed plate 6021, and the positions of the positioning grooves 6023 correspond to the positions of the clamping plates 603. The lower end surface of the misaligned plate 6022 is connected with a roller 11. When the roller 11 does not contact the adjusting table 9, the hinge point of the clamping plate 603 and the misaligned plate 6022 is located below the lowest point of the adjacent positioning groove 6023. Thus, in the initial state, the fixed plate 6021 can support the clamping plate 603, making the clamping plate 603 vertical. The lower end surface of the positioning groove 6023 is inclined. After the misaligned plate 6022 moves upward, the hinge point of the clamping plate 603 and the misaligned plate 6022 moves to the positioning groove 6023, thereby causing the clamping plate 603 to tilt and fit on the lower end surface of the positioning groove 6023. The lower end surface of the positioning groove 6023 controls the tilting angle of the clamping plate 603. The tilting angles of the lower end surfaces of the plurality of positioning grooves 6023 with respect to the horizontal plane gradually increase from top to bottom. The rear end of the adjusting table 9 is provided with an inclined surface. The roller 11 supports the misaligned plate 6022, reducing the resistance of the misaligned plate 6022 to move under the pressure of the instrument 8. When the roller 11 moves to a specified position, it contacts the inclined surface of the adjusting table 9, thereby changing the position of the misaligned plate 6022. The middle part of the front end of the wire clamp 702 is connected with a bent part 7021, and the other end of the bent part 7021 is connected with a straight part 7022. The cable passes through between two adjacent straight parts 7022 and is connected to the instrument 8. The bent part 7021 is made of elastic plastic material. Thus, when fixing the cable, the elastic deformation of the bent part 7021 can adapt to cables of different thicknesses. On the other hand, when pulling the cable, the bent part 7021 will protrude forward to reduce the tension on the cable. At the same time, after the cable is released from the instrument 8, the elastic reset of the bent part 7021 will increase the gap between the cable and the instrument 8, thereby facilitating the observer to observe. In the front view, the instrument 8 is located between two adjacent upper and lower wire clamps 702.

[0035] By setting the adjusting member 602, during the movement of the mounting bracket 6, it will drive the adjusting member 602 to move, thereby causing the roller 11 to contact the adjusting table 9, increasing the height of the misaligned plate 6022, and making the hinge point of the clamping plate 603 and the misaligned plate 6022 move to a position higher than the lowest point of the positioning groove 6023. Thus, under the gravity of the instrument 8, the clamping plate 603 tilts forward, and thus the display panel of the instrument 8 is convenient for the maintenance personnel to observe by looking up, effectively reducing the need for the maintenance personnel to climb the road pole. At the same time, the tilt of the instrument 8 reduces the influence of light, thereby facilitating observation.

[0036] The present invention gives the mounting bracket 6 with the instrument 8 axial degrees of freedom through the driving component 5. Thus, during the process of opening the door, the instrument 8 can be pushed out, increasing the operable space for the instrument 8 and achieving the purpose of facilitating maintenance. At the same time, after the instrument 8 moves to the designated position, the mounting bracket 6 gives the instrument 8 axial degrees of freedom, causing the instrument 8 to tilt, achieving the purpose of facilitating inspection on the ground.

[0037] Specifically, during the maintenance process, first determine whether there is a problem with the equipment. By lifting the door body 2 to open and close it, during the movement of the door body 2, it will drive the rack 4 to contact the main gear 503, thereby driving the shaft rod 501 to rotate. The shaft rod 501 drives the screw rod 505 to rotate through the main gear 503 and the driven gear 504. During the rotation of the screw rod 505, it can drive the mounting bracket 6 and the wire management bracket 7 to move, thus realizing the extension of the instrument 8, increasing the operable space for the instrument 8, and achieving the purpose of facilitating maintenance. During the movement of the mounting bracket 6, the misalignment plate 6022 will drive the roller 11 to contact the adjustment table 9, causing the misalignment plate 6022 to move upward. The upward movement of the misalignment plate 6022 drives the clamping plate 603 to move upward. After the clamping plate 603 moves upward, the hinge point where it is connected to the misalignment plate 6022 is higher than the positioning groove 6023. Thus, the clamping plate 603 rotates under the action of the center of gravity of the instrument 8, and the display surface of the instrument 8 tilts downward, thus achieving the purpose of facilitating observation. After confirming there is a problem, climb onto the road rod for maintenance; Since the equipment is installed near the railway, during the operation of the equipment, the vibration generated by the railway driving is likely to cause the connection between the line and the instrument 8 to become loose, thereby affecting the connection between the line and the instrument 8. For this reason, in this solution, the mounting bracket 6 and the wire management bracket 7 are installed front and back on the screw rod 505, and the pitch on the surface of the screw rod 505 gradually increases from back to front. Thus, during the rotation of the screw rod 505, the moving speed of the mounting bracket 6 is relatively fast, while the moving speed of the wire management bracket 7 is relatively slow. Thus, the distance between the mounting bracket 6 and the wire management bracket 7 is enlarged, and the enlarged distance will pull on the cable, realizing the inspection of the firmness of the cable, thereby reducing the inspection steps and improving the inspection efficiency; To facilitate the observation of the firmness of the cable connection, in this solution, by setting the wire clamp 702, when the distance between the mounting bracket 6 and the wire management bracket 7 increases to check the firmness of the cable connection, the bent part 7021 of the wire clamp 702 extends forward and deforms. After the cable is loosened from the instrument 8, the elastic reset of the wire clamp 702 will increase the distance between the cable and the instrument 8, thereby improving the effect during direct observation and achieving the purpose of facilitating maintenance. At the same time, the downward tilted state of the instrument 8 can effectively reduce the influence of sunlight on the display of the instrument 8.

[0038] Although embodiments of the present invention have been described, those of ordinary skill in the art can make changes and modifications to the embodiments based on an understanding of the principles and spirit of the present invention to obtain other effects. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power distribution and feeding terminal that is easy to maintain, comprising a housing (1), characterized in that: The utility model also comprises a door body (2), a slide groove (3), a rack (4), a driving assembly (5), a mounting frame (6), a cable management frame (7), an instrument (8) and an adjustment platform (9), wherein the door body (2) is slidably connected to the front end of the housing (1), the slide groove (3) is opened on the rear side of the door body (2), the rack (4) is connected to the slide groove (3), the driving assembly (5) is connected to the left side of the inner cavity of the housing (1), the mounting frame (6) and the cable management frame (7) are arranged in the front and rear of the inner cavity of the housing (1), and the mounting frame (6) and the cable management frame (7) are arranged in the front and rear of the inner cavity of the housing (1), and the mounting frame (8) and the cable management frame (7) are arranged in the front and rear of the inner cavity of the housing (1). The door (6) and the cable management rack (7) are both connected to the driving assembly (5), the adjusting platform (9) is connected to the bottom of the inner cavity of the housing (1), and the instrument (8) is connected to the mounting frame (6). When the door is opened, the rack (4) drives the mounting frame (6) and the cable management rack (7) to move forward through the driving assembly (5), and when the mounting frame (6) moves forward, the instrument (8) is driven to gradually extend out of the housing (1), and when the mounting frame (6) moves to a specified position, the adjusting platform (9) drives the instrument (8) to tilt through the mounting frame (6).

2. A power distribution and feeding terminal that is easy to maintain according to claim 1, characterized in that: The driving assembly (5) comprises a shaft (501), a moving gear (502), a main gear (503), a slave gear (504) and a screw (505); the shaft (501) is connected to the left side of the inner cavity of the housing (1); the moving gear (502) is connected to the outer surface of the shaft (501); the main gear (503) is connected to the upper end of the shaft (501); the screw (505) is connected to the left side of the top of the inner cavity of the housing (1); the slave gear (504) is connected to the front end of the screw (505); the slave gear (504) is meshed with the main gear (503); the mounting frame (6) and the cable management frame (7) are both connected to the screw (505); the rack (4) is meshed with the moving gear (502) when it moves to a specified position; the number of teeth of the main gear (503) is greater than the number of teeth of the slave gear (504).

3. A power distribution and feeding terminal that is easy to maintain according to claim 2, characterized in that: The cable management frame (7) comprises a movable plate (701) and a cable clamp (702); the movable plate (701) is connected to the inner cavity of the housing (1); the left side of the movable plate (701) is connected to a screw rod (505); and an array of the cable clamps (702) is connected to the front side of the movable plate (701).

4. A power distribution and feeding terminal that is easy to maintain according to claim 3, characterized in that: The mounting frame (6) comprises a mounting plate (601), an adjusting member (602) and a clamping plate (603); the mounting plate (601) is connected to the left and right sides of the inner cavity of the housing (1); the left mounting plate (601) is connected to the screw rod (505); the two adjusting members (602) are respectively connected to adjacent sides of the two mounting plates (601); and the clamping plate (603) is connected between the two adjusting members (602).

5. A power distribution and feeding terminal that is easy to maintain according to claim 4, characterized in that: The pitch of the thread groove on the surface of the screw rod (505) gradually increases from the back to the front, and the inner walls of the movable plate (701) and the mounting plate (601) at positions relative to the screw rod (505) are both connected to a slider (10), and the slider (10) is arranged in the thread groove on the surface of the screw rod (505).

6. A power distribution and feeding terminal that is easy to maintain according to claim 4, characterized in that: The adjusting member (602) comprises a fixed plate (6021), a dislocation plate (6022) and a positioning groove (6023); the fixed plate (6021) and the dislocation plate (6022) are respectively connected to the front and rear sides of adjacent sides of the mounting plate (601); the dislocation plate (6022) is slidably connected to the mounting plate (601); an array of positioning grooves (6023) is provided on the fixed plate (6021); the lower end surface of the dislocation plate (6022) is connected to a roller (11); when the roller (11) is not in contact with the adjusting platform (9), the hinge point between the clamping plate (603) and the dislocation plate (6022) is located below the lowest point of the adjacent positioning grooves (6023).

7. A power distribution and feeding terminal that is easy to maintain according to claim 6, characterized in that: The lower end surface of the positioning groove (6023) is inclined, and the inclination angles of the lower end surfaces of the plurality of positioning grooves (6023) relative to the horizontal plane gradually increase from top to bottom.

8. The power distribution and feeding terminal that is easy to maintain according to claim 7, characterized in that: The rear end of the adjustment platform (9) is provided with an inclined surface, and the roller (11) contacts the inclined surface of the adjustment platform (9) when it moves to a specified position.

9. The power distribution and feeding terminal that is easy to maintain according to claim 3 is characterized in that: The middle part of the front end of the wire clamp (702) is connected to a curved portion (7021), and the other end of the curved portion (7021) is connected to a straight portion (7022). The curved portion (7021) is made of elastic plastic material. When viewed from the front, the instrument (8) is located between two adjacent wire clamps (702) above and below.

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